source: LMDZ6/trunk/libf/phylmd/radiation_AR4.f90 @ 5353

Last change on this file since 5353 was 5314, checked in by abarral, 5 weeks ago

Turn raddimlw.h radepsi.h radopt.h into modules
Move unused raddim.*.h to obsolete

  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 170.2 KB
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1! IM ctes ds clesphys.h   SUBROUTINE SW(PSCT, RCO2, PRMU0, PFRAC,
2SUBROUTINE sw_lmdar4(psct, prmu0, pfrac, ppmb, pdp, ppsol, palbd, palbp, &
3    ptave, pwv, pqs, pozon, paer, pcldsw, ptau, pomega, pcg, pheat, pheat0, &
4    palbpla, ptopsw, psolsw, ptopsw0, psolsw0, zfsup, zfsdn, zfsup0, zfsdn0, &
5    tauae, pizae, cgae, ptaua, pomegaa, ptopswad, psolswad, ptopswai, &
6    psolswai, ok_ade, ok_aie)
7  USE clesphys_mod_h
8  USE dimphy
9  USE print_control_mod, ONLY: lunout
10  USE yomcst_mod_h
11  USE phys_constants_mod, ONLY: dobson_u
12IMPLICIT NONE
13
14
15
16  ! ------------------------------------------------------------------
17
18  ! PURPOSE.
19  ! --------
20
21  ! THIS ROUTINE COMPUTES THE SHORTWAVE RADIATION FLUXES IN TWO
22  ! SPECTRAL INTERVALS FOLLOWING FOUQUART AND BONNEL (1980).
23
24  ! METHOD.
25  ! -------
26
27  ! 1. COMPUTES ABSORBER AMOUNTS                 (SWU)
28  ! 2. COMPUTES FLUXES IN 1ST SPECTRAL INTERVAL  (SW1S)
29  ! 3. COMPUTES FLUXES IN 2ND SPECTRAL INTERVAL  (SW2S)
30
31  ! REFERENCE.
32  ! ----------
33
34  ! SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT
35  ! DOCUMENTATION, AND FOUQUART AND BONNEL (1980)
36
37  ! AUTHOR.
38  ! -------
39  ! JEAN-JACQUES MORCRETTE  *ECMWF*
40
41  ! MODIFICATIONS.
42  ! --------------
43  ! ORIGINAL : 89-07-14
44  ! 95-01-01   J.-J. MORCRETTE  Direct/Diffuse Albedo
45  ! 03-11-27   J. QUAAS Introduce aerosol forcings (based on BOUCHER)
46  ! ------------------------------------------------------------------
47
48  ! * ARGUMENTS:
49
50  REAL (KIND=8) psct ! constante solaire (valeur conseillee: 1370)
51  ! IM ctes ds clesphys.h   REAL(KIND=8) RCO2  ! concentration CO2 (IPCC:
52  ! 353.E-06*44.011/28.97)
53
54  REAL (KIND=8) ppsol(kdlon) ! SURFACE PRESSURE (PA)
55  REAL (KIND=8) pdp(kdlon, kflev) ! LAYER THICKNESS (PA)
56  REAL (KIND=8) ppmb(kdlon, kflev+1) ! HALF-LEVEL PRESSURE (MB)
57
58  REAL (KIND=8) prmu0(kdlon) ! COSINE OF ZENITHAL ANGLE
59  REAL (KIND=8) pfrac(kdlon) ! fraction de la journee
60
61  REAL (KIND=8) ptave(kdlon, kflev) ! LAYER TEMPERATURE (K)
62  REAL (KIND=8) pwv(kdlon, kflev) ! SPECIFIC HUMIDITY (KG/KG)
63  REAL (KIND=8) pqs(kdlon, kflev) ! SATURATED WATER VAPOUR (KG/KG)
64  REAL (KIND=8) pozon(kdlon, kflev) ! OZONE CONCENTRATION (KG/KG)
65  REAL (KIND=8) paer(kdlon, kflev, 5) ! AEROSOLS' OPTICAL THICKNESS
66
67  REAL (KIND=8) palbd(kdlon, 2) ! albedo du sol (lumiere diffuse)
68  REAL (KIND=8) palbp(kdlon, 2) ! albedo du sol (lumiere parallele)
69
70  REAL (KIND=8) pcldsw(kdlon, kflev) ! CLOUD FRACTION
71  REAL (KIND=8) ptau(kdlon, 2, kflev) ! CLOUD OPTICAL THICKNESS
72  REAL (KIND=8) pcg(kdlon, 2, kflev) ! ASYMETRY FACTOR
73  REAL (KIND=8) pomega(kdlon, 2, kflev) ! SINGLE SCATTERING ALBEDO
74
75  REAL (KIND=8) pheat(kdlon, kflev) ! SHORTWAVE HEATING (K/DAY)
76  REAL (KIND=8) pheat0(kdlon, kflev) ! SHORTWAVE HEATING (K/DAY) clear-sky
77  REAL (KIND=8) palbpla(kdlon) ! PLANETARY ALBEDO
78  REAL (KIND=8) ptopsw(kdlon) ! SHORTWAVE FLUX AT T.O.A.
79  REAL (KIND=8) psolsw(kdlon) ! SHORTWAVE FLUX AT SURFACE
80  REAL (KIND=8) ptopsw0(kdlon) ! SHORTWAVE FLUX AT T.O.A. (CLEAR-SKY)
81  REAL (KIND=8) psolsw0(kdlon) ! SHORTWAVE FLUX AT SURFACE (CLEAR-SKY)
82
83  ! * LOCAL VARIABLES:
84
85  REAL (KIND=8) zoz(kdlon, kflev)
86  ! column-density of ozone in layer, in kilo-Dobsons
87
88  REAL (KIND=8) zaki(kdlon, 2)
89  REAL (KIND=8) zcld(kdlon, kflev)
90  REAL (KIND=8) zclear(kdlon)
91  REAL (KIND=8) zdsig(kdlon, kflev)
92  REAL (KIND=8) zfact(kdlon)
93  REAL (KIND=8) zfd(kdlon, kflev+1)
94  REAL (KIND=8) zfdown(kdlon, kflev+1)
95  REAL (KIND=8) zfu(kdlon, kflev+1)
96  REAL (KIND=8) zfup(kdlon, kflev+1)
97  REAL (KIND=8) zrmu(kdlon)
98  REAL (KIND=8) zsec(kdlon)
99  REAL (KIND=8) zud(kdlon, 5, kflev+1)
100  REAL (KIND=8) zcldsw0(kdlon, kflev)
101
102  REAL (KIND=8) zfsup(kdlon, kflev+1)
103  REAL (KIND=8) zfsdn(kdlon, kflev+1)
104  REAL (KIND=8) zfsup0(kdlon, kflev+1)
105  REAL (KIND=8) zfsdn0(kdlon, kflev+1)
106
107  INTEGER inu, jl, jk, i, k, kpl1
108
109  INTEGER swpas ! Every swpas steps, sw is calculated
110  PARAMETER (swpas=1)
111
112  INTEGER itapsw
113  LOGICAL appel1er
114  DATA itapsw/0/
115  DATA appel1er/.TRUE./
116  SAVE itapsw, appel1er
117  !$OMP THREADPRIVATE(appel1er)
118  !$OMP THREADPRIVATE(itapsw)
119  ! jq-Introduced for aerosol forcings
120  REAL (KIND=8) flag_aer
121  LOGICAL ok_ade, ok_aie ! use aerosol forcings or not?
122  REAL (KIND=8) tauae(kdlon, kflev, 2) ! aerosol optical properties
123  REAL (KIND=8) pizae(kdlon, kflev, 2) ! (see aeropt.F)
124  REAL (KIND=8) cgae(kdlon, kflev, 2) ! -"-
125  REAL (KIND=8) ptaua(kdlon, 2, kflev) ! CLOUD OPTICAL THICKNESS (pre-industrial value)
126  REAL (KIND=8) pomegaa(kdlon, 2, kflev) ! SINGLE SCATTERING ALBEDO
127  REAL (KIND=8) ptopswad(kdlon) ! SHORTWAVE FLUX AT T.O.A.(+AEROSOL DIR)
128  REAL (KIND=8) psolswad(kdlon) ! SHORTWAVE FLUX AT SURFACE(+AEROSOL DIR)
129  REAL (KIND=8) ptopswai(kdlon) ! SHORTWAVE FLUX AT T.O.A.(+AEROSOL IND)
130  REAL (KIND=8) psolswai(kdlon) ! SHORTWAVE FLUX AT SURFACE(+AEROSOL IND)
131  ! jq - Fluxes including aerosol effects
132  REAL (KIND=8), ALLOCATABLE, SAVE :: zfsupad(:, :)
133  !$OMP THREADPRIVATE(ZFSUPAD)
134  REAL (KIND=8), ALLOCATABLE, SAVE :: zfsdnad(:, :)
135  !$OMP THREADPRIVATE(ZFSDNAD)
136  REAL (KIND=8), ALLOCATABLE, SAVE :: zfsupai(:, :)
137  !$OMP THREADPRIVATE(ZFSUPAI)
138  REAL (KIND=8), ALLOCATABLE, SAVE :: zfsdnai(:, :)
139  !$OMP THREADPRIVATE(ZFSDNAI)
140  LOGICAL initialized
141  ! ym      SAVE ZFSUPAD, ZFSDNAD, ZFSUPAI, ZFSDNAI ! aerosol fluxes
142  ! rv
143  SAVE flag_aer
144  !$OMP THREADPRIVATE(flag_aer)
145  DATA initialized/.FALSE./
146  SAVE initialized
147  !$OMP THREADPRIVATE(initialized)
148  ! jq-end
149  REAL tmp_
150
151  IF (.NOT. initialized) THEN
152    flag_aer = 0.
153    initialized = .TRUE.
154    ALLOCATE (zfsupad(kdlon,kflev+1))
155    ALLOCATE (zfsdnad(kdlon,kflev+1))
156    ALLOCATE (zfsupai(kdlon,kflev+1))
157    ALLOCATE (zfsdnai(kdlon,kflev+1))
158
159    zfsupad(:, :) = 0.
160    zfsdnad(:, :) = 0.
161    zfsupai(:, :) = 0.
162    zfsdnai(:, :) = 0.
163  END IF
164
165  IF (appel1er) THEN
166    WRITE (lunout, *) 'SW calling frequency : ', swpas
167    WRITE (lunout, *) '   In general, it should be 1'
168    appel1er = .FALSE.
169  END IF
170  ! ------------------------------------------------------------------
171  IF (mod(itapsw,swpas)==0) THEN
172
173    tmp_ = 1./(dobson_u*1E3*rg)
174    ! cdir collapse
175    DO jk = 1, kflev
176      DO jl = 1, kdlon
177        zcldsw0(jl, jk) = 0.0
178        zoz(jl, jk) = pozon(jl, jk)*tmp_*pdp(jl, jk)
179      END DO
180    END DO
181
182
183    ! clear-sky:
184    ! IM ctes ds clesphys.h  CALL SWU(PSCT,RCO2,ZCLDSW0,PPMB,PPSOL,
185    CALL swu_lmdar4(psct, zcldsw0, ppmb, ppsol, prmu0, pfrac, ptave, pwv, &
186      zaki, zcld, zclear, zdsig, zfact, zrmu, zsec, zud)
187    inu = 1
188    CALL sw1s_lmdar4(inu, paer, flag_aer, tauae, pizae, cgae, palbd, palbp, &
189      pcg, zcld, zclear, zcldsw0, zdsig, pomega, zoz, zrmu, zsec, ptau, zud, &
190      zfd, zfu)
191    inu = 2
192    CALL sw2s_lmdar4(inu, paer, flag_aer, tauae, pizae, cgae, zaki, palbd, &
193      palbp, pcg, zcld, zclear, zcldsw0, zdsig, pomega, zoz, zrmu, zsec, &
194      ptau, zud, pwv, pqs, zfdown, zfup)
195    DO jk = 1, kflev + 1
196      DO jl = 1, kdlon
197        zfsup0(jl, jk) = (zfup(jl,jk)+zfu(jl,jk))*zfact(jl)
198        zfsdn0(jl, jk) = (zfdown(jl,jk)+zfd(jl,jk))*zfact(jl)
199      END DO
200    END DO
201
202    flag_aer = 0.0
203    CALL swu_lmdar4(psct, pcldsw, ppmb, ppsol, prmu0, pfrac, ptave, pwv, &
204      zaki, zcld, zclear, zdsig, zfact, zrmu, zsec, zud)
205    inu = 1
206    CALL sw1s_lmdar4(inu, paer, flag_aer, tauae, pizae, cgae, palbd, palbp, &
207      pcg, zcld, zclear, pcldsw, zdsig, pomega, zoz, zrmu, zsec, ptau, zud, &
208      zfd, zfu)
209    inu = 2
210    CALL sw2s_lmdar4(inu, paer, flag_aer, tauae, pizae, cgae, zaki, palbd, &
211      palbp, pcg, zcld, zclear, pcldsw, zdsig, pomega, zoz, zrmu, zsec, ptau, &
212      zud, pwv, pqs, zfdown, zfup)
213
214    ! cloudy-sky:
215
216    DO jk = 1, kflev + 1
217      DO jl = 1, kdlon
218        zfsup(jl, jk) = (zfup(jl,jk)+zfu(jl,jk))*zfact(jl)
219        zfsdn(jl, jk) = (zfdown(jl,jk)+zfd(jl,jk))*zfact(jl)
220      END DO
221    END DO
222
223
224    IF (ok_ade) THEN
225
226      ! cloudy-sky + aerosol dir OB
227      flag_aer = 1.0
228      CALL swu_lmdar4(psct, pcldsw, ppmb, ppsol, prmu0, pfrac, ptave, pwv, &
229        zaki, zcld, zclear, zdsig, zfact, zrmu, zsec, zud)
230      inu = 1
231      CALL sw1s_lmdar4(inu, paer, flag_aer, tauae, pizae, cgae, palbd, palbp, &
232        pcg, zcld, zclear, pcldsw, zdsig, pomega, zoz, zrmu, zsec, ptau, zud, &
233        zfd, zfu)
234      inu = 2
235      CALL sw2s_lmdar4(inu, paer, flag_aer, tauae, pizae, cgae, zaki, palbd, &
236        palbp, pcg, zcld, zclear, pcldsw, zdsig, pomega, zoz, zrmu, zsec, &
237        ptau, zud, pwv, pqs, zfdown, zfup)
238      DO jk = 1, kflev + 1
239        DO jl = 1, kdlon
240          zfsupad(jl, jk) = zfsup(jl, jk)
241          zfsdnad(jl, jk) = zfsdn(jl, jk)
242          zfsup(jl, jk) = (zfup(jl,jk)+zfu(jl,jk))*zfact(jl)
243          zfsdn(jl, jk) = (zfdown(jl,jk)+zfd(jl,jk))*zfact(jl)
244        END DO
245      END DO
246
247    END IF ! ok_ade
248
249    IF (ok_aie) THEN
250
251      ! jq   cloudy-sky + aerosol direct + aerosol indirect
252      flag_aer = 1.0
253      CALL swu_lmdar4(psct, pcldsw, ppmb, ppsol, prmu0, pfrac, ptave, pwv, &
254        zaki, zcld, zclear, zdsig, zfact, zrmu, zsec, zud)
255      inu = 1
256      CALL sw1s_lmdar4(inu, paer, flag_aer, tauae, pizae, cgae, palbd, palbp, &
257        pcg, zcld, zclear, pcldsw, zdsig, pomegaa, zoz, zrmu, zsec, ptaua, &
258        zud, zfd, zfu)
259      inu = 2
260      CALL sw2s_lmdar4(inu, paer, flag_aer, tauae, pizae, cgae, zaki, palbd, &
261        palbp, pcg, zcld, zclear, pcldsw, zdsig, pomegaa, zoz, zrmu, zsec, &
262        ptaua, zud, pwv, pqs, zfdown, zfup)
263      DO jk = 1, kflev + 1
264        DO jl = 1, kdlon
265          zfsupai(jl, jk) = zfsup(jl, jk)
266          zfsdnai(jl, jk) = zfsdn(jl, jk)
267          zfsup(jl, jk) = (zfup(jl,jk)+zfu(jl,jk))*zfact(jl)
268          zfsdn(jl, jk) = (zfdown(jl,jk)+zfd(jl,jk))*zfact(jl)
269        END DO
270      END DO
271    END IF ! ok_aie
272    ! jq -end
273
274    itapsw = 0
275  END IF
276  itapsw = itapsw + 1
277
278  DO k = 1, kflev
279    kpl1 = k + 1
280    DO i = 1, kdlon
281      pheat(i, k) = -(zfsup(i,kpl1)-zfsup(i,k)) - (zfsdn(i,k)-zfsdn(i,kpl1))
282      pheat(i, k) = pheat(i, k)*rday*rg/rcpd/pdp(i, k)
283      pheat0(i, k) = -(zfsup0(i,kpl1)-zfsup0(i,k)) - &
284        (zfsdn0(i,k)-zfsdn0(i,kpl1))
285      pheat0(i, k) = pheat0(i, k)*rday*rg/rcpd/pdp(i, k)
286    END DO
287  END DO
288  DO i = 1, kdlon
289    palbpla(i) = zfsup(i, kflev+1)/(zfsdn(i,kflev+1)+1.0E-20)
290
291    psolsw(i) = zfsdn(i, 1) - zfsup(i, 1)
292    ptopsw(i) = zfsdn(i, kflev+1) - zfsup(i, kflev+1)
293
294    psolsw0(i) = zfsdn0(i, 1) - zfsup0(i, 1)
295    ptopsw0(i) = zfsdn0(i, kflev+1) - zfsup0(i, kflev+1)
296    ! -OB
297    psolswad(i) = zfsdnad(i, 1) - zfsupad(i, 1)
298    ptopswad(i) = zfsdnad(i, kflev+1) - zfsupad(i, kflev+1)
299
300    psolswai(i) = zfsdnai(i, 1) - zfsupai(i, 1)
301    ptopswai(i) = zfsdnai(i, kflev+1) - zfsupai(i, kflev+1)
302    ! -fin
303  END DO
304
305  RETURN
306END SUBROUTINE sw_lmdar4
307
308! IM ctes ds clesphys.h   SUBROUTINE SWU
309! (PSCT,RCO2,PCLDSW,PPMB,PPSOL,PRMU0,PFRAC,
310SUBROUTINE swu_lmdar4(psct, pcldsw, ppmb, ppsol, prmu0, pfrac, ptave, pwv, &
311    paki, pcld, pclear, pdsig, pfact, prmu, psec, pud)
312USE radopt_mod_h
313  USE radepsi_mod_h
314    USE clesphys_mod_h
315  USE dimphy
316  USE radiation_ar4_param, ONLY: zpdh2o, zpdumg, zprh2o, zprumg, rtdh2o, &
317    rtdumg, rth2o, rtumg
318  USE yomcst_mod_h
319IMPLICIT NONE
320
321
322  ! * ARGUMENTS:
323
324  REAL (KIND=8) psct
325  ! IM ctes ds clesphys.h   REAL(KIND=8) RCO2
326  REAL (KIND=8) pcldsw(kdlon, kflev)
327  REAL (KIND=8) ppmb(kdlon, kflev+1)
328  REAL (KIND=8) ppsol(kdlon)
329  REAL (KIND=8) prmu0(kdlon)
330  REAL (KIND=8) pfrac(kdlon)
331  REAL (KIND=8) ptave(kdlon, kflev)
332  REAL (KIND=8) pwv(kdlon, kflev)
333
334  REAL (KIND=8) paki(kdlon, 2)
335  REAL (KIND=8) pcld(kdlon, kflev)
336  REAL (KIND=8) pclear(kdlon)
337  REAL (KIND=8) pdsig(kdlon, kflev)
338  REAL (KIND=8) pfact(kdlon)
339  REAL (KIND=8) prmu(kdlon)
340  REAL (KIND=8) psec(kdlon)
341  REAL (KIND=8) pud(kdlon, 5, kflev+1)
342
343  ! * LOCAL VARIABLES:
344
345  INTEGER iind(2)
346  REAL (KIND=8) zc1j(kdlon, kflev+1)
347  REAL (KIND=8) zclear(kdlon)
348  REAL (KIND=8) zcloud(kdlon)
349  REAL (KIND=8) zn175(kdlon)
350  REAL (KIND=8) zn190(kdlon)
351  REAL (KIND=8) zo175(kdlon)
352  REAL (KIND=8) zo190(kdlon)
353  REAL (KIND=8) zsign(kdlon)
354  REAL (KIND=8) zr(kdlon, 2)
355  REAL (KIND=8) zsigo(kdlon)
356  REAL (KIND=8) zud(kdlon, 2)
357  REAL (KIND=8) zrth, zrtu, zwh2o, zdsco2, zdsh2o, zfppw
358  INTEGER jl, jk, jkp1, jkl, jklp1, ja
359
360  ! ------------------------------------------------------------------
361
362  ! *         1.     COMPUTES AMOUNTS OF ABSORBERS
363  ! -----------------------------
364
365
366  iind(1) = 1
367  iind(2) = 2
368
369  ! *         1.1    INITIALIZES QUANTITIES
370  ! ----------------------
371
372
373  DO jl = 1, kdlon
374    pud(jl, 1, kflev+1) = 0.
375    pud(jl, 2, kflev+1) = 0.
376    pud(jl, 3, kflev+1) = 0.
377    pud(jl, 4, kflev+1) = 0.
378    pud(jl, 5, kflev+1) = 0.
379    pfact(jl) = prmu0(jl)*pfrac(jl)*psct
380    prmu(jl) = sqrt(1224.*prmu0(jl)*prmu0(jl)+1.)/35.
381    psec(jl) = 1./prmu(jl)
382    zc1j(jl, kflev+1) = 0.
383  END DO
384
385  ! *          1.3    AMOUNTS OF ABSORBERS
386  ! --------------------
387
388
389  DO jl = 1, kdlon
390    zud(jl, 1) = 0.
391    zud(jl, 2) = 0.
392    zo175(jl) = ppsol(jl)**(zpdumg+1.)
393    zo190(jl) = ppsol(jl)**(zpdh2o+1.)
394    zsigo(jl) = ppsol(jl)
395    zclear(jl) = 1.
396    zcloud(jl) = 0.
397  END DO
398
399  DO jk = 1, kflev
400    jkp1 = jk + 1
401    jkl = kflev + 1 - jk
402    jklp1 = jkl + 1
403    DO jl = 1, kdlon
404      zrth = (rth2o/ptave(jl,jk))**rtdh2o
405      zrtu = (rtumg/ptave(jl,jk))**rtdumg
406      zwh2o = max(pwv(jl,jk), zepscq)
407      zsign(jl) = 100.*ppmb(jl, jkp1)
408      pdsig(jl, jk) = (zsigo(jl)-zsign(jl))/ppsol(jl)
409      zn175(jl) = zsign(jl)**(zpdumg+1.)
410      zn190(jl) = zsign(jl)**(zpdh2o+1.)
411      zdsco2 = zo175(jl) - zn175(jl)
412      zdsh2o = zo190(jl) - zn190(jl)
413      pud(jl, 1, jk) = 1./(10.*rg*(zpdh2o+1.))/(zprh2o**zpdh2o)*zdsh2o*zwh2o* &
414        zrth
415      pud(jl, 2, jk) = 1./(10.*rg*(zpdumg+1.))/(zprumg**zpdumg)*zdsco2*rco2* &
416        zrtu
417      zfppw = 1.6078*zwh2o/(1.+0.608*zwh2o)
418      pud(jl, 4, jk) = pud(jl, 1, jk)*zfppw
419      pud(jl, 5, jk) = pud(jl, 1, jk)*(1.-zfppw)
420      zud(jl, 1) = zud(jl, 1) + pud(jl, 1, jk)
421      zud(jl, 2) = zud(jl, 2) + pud(jl, 2, jk)
422      zsigo(jl) = zsign(jl)
423      zo175(jl) = zn175(jl)
424      zo190(jl) = zn190(jl)
425
426      IF (novlp==1) THEN
427        zclear(jl) = zclear(jl)*(1.-max(pcldsw(jl,jkl),zcloud(jl)))/(1.-min( &
428          zcloud(jl),1.-zepsec))
429        zc1j(jl, jkl) = 1.0 - zclear(jl)
430        zcloud(jl) = pcldsw(jl, jkl)
431      ELSE IF (novlp==2) THEN
432        zcloud(jl) = max(pcldsw(jl,jkl), zcloud(jl))
433        zc1j(jl, jkl) = zcloud(jl)
434      ELSE IF (novlp==3) THEN
435        zclear(jl) = zclear(jl)*(1.-pcldsw(jl,jkl))
436        zcloud(jl) = 1.0 - zclear(jl)
437        zc1j(jl, jkl) = zcloud(jl)
438      END IF
439    END DO
440  END DO
441  DO jl = 1, kdlon
442    pclear(jl) = 1. - zc1j(jl, 1)
443  END DO
444  DO jk = 1, kflev
445    DO jl = 1, kdlon
446      IF (pclear(jl)<1.) THEN
447        pcld(jl, jk) = pcldsw(jl, jk)/(1.-pclear(jl))
448      ELSE
449        pcld(jl, jk) = 0.
450      END IF
451    END DO
452  END DO
453
454  ! *         1.4    COMPUTES CLEAR-SKY GREY ABSORPTION COEFFICIENTS
455  ! -----------------------------------------------
456
457
458  DO ja = 1, 2
459    DO jl = 1, kdlon
460      zud(jl, ja) = zud(jl, ja)*psec(jl)
461    END DO
462  END DO
463
464  CALL swtt1_lmdar4(2, 2, iind, zud, zr)
465
466  DO ja = 1, 2
467    DO jl = 1, kdlon
468      paki(jl, ja) = -log(zr(jl,ja))/zud(jl, ja)
469    END DO
470  END DO
471
472
473  ! ------------------------------------------------------------------
474
475  RETURN
476END SUBROUTINE swu_lmdar4
477SUBROUTINE sw1s_lmdar4(knu, paer, flag_aer, tauae, pizae, cgae, palbd, palbp, &
478    pcg, pcld, pclear, pcldsw, pdsig, pomega, poz, prmu, psec, ptau, pud, &
479    pfd, pfu)
480  USE dimphy
481  USE radiation_ar4_param, ONLY: rsun, rray
482  USE infotrac_phy, ONLY: type_trac
483  USE lmdz_reprobus_wrappers, ONLY: rsuntime, ok_suntime
484  USE print_control_mod, ONLY: lunout
485  USE lmdz_cppkeys_wrapper, ONLY: CPPKEY_REPROBUS
486
487  IMPLICIT NONE
488
489  ! ------------------------------------------------------------------
490  ! PURPOSE.
491  ! --------
492
493  ! THIS ROUTINE COMPUTES THE SHORTWAVE RADIATION FLUXES IN TWO
494  ! SPECTRAL INTERVALS FOLLOWING FOUQUART AND BONNEL (1980).
495
496  ! METHOD.
497  ! -------
498
499  ! 1. COMPUTES UPWARD AND DOWNWARD FLUXES CORRESPONDING TO
500  ! CONTINUUM SCATTERING
501  ! 2. MULTIPLY BY OZONE TRANSMISSION FUNCTION
502
503  ! REFERENCE.
504  ! ----------
505
506  ! SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT
507  ! DOCUMENTATION, AND FOUQUART AND BONNEL (1980)
508
509  ! AUTHOR.
510  ! -------
511  ! JEAN-JACQUES MORCRETTE  *ECMWF*
512
513  ! MODIFICATIONS.
514  ! --------------
515  ! ORIGINAL : 89-07-14
516  ! 94-11-15   J.-J. MORCRETTE    DIRECT/DIFFUSE ALBEDO
517  ! ------------------------------------------------------------------
518
519  ! * ARGUMENTS:
520
521  INTEGER knu
522  ! -OB
523  REAL (KIND=8) flag_aer
524  REAL (KIND=8) tauae(kdlon, kflev, 2)
525  REAL (KIND=8) pizae(kdlon, kflev, 2)
526  REAL (KIND=8) cgae(kdlon, kflev, 2)
527  REAL (KIND=8) paer(kdlon, kflev, 5)
528  REAL (KIND=8) palbd(kdlon, 2)
529  REAL (KIND=8) palbp(kdlon, 2)
530  REAL (KIND=8) pcg(kdlon, 2, kflev)
531  REAL (KIND=8) pcld(kdlon, kflev)
532  REAL (KIND=8) pcldsw(kdlon, kflev)
533  REAL (KIND=8) pclear(kdlon)
534  REAL (KIND=8) pdsig(kdlon, kflev)
535  REAL (KIND=8) pomega(kdlon, 2, kflev)
536  REAL (KIND=8) poz(kdlon, kflev)
537  REAL (KIND=8) prmu(kdlon)
538  REAL (KIND=8) psec(kdlon)
539  REAL (KIND=8) ptau(kdlon, 2, kflev)
540  REAL (KIND=8) pud(kdlon, 5, kflev+1)
541
542  REAL (KIND=8) pfd(kdlon, kflev+1)
543  REAL (KIND=8) pfu(kdlon, kflev+1)
544
545  ! * LOCAL VARIABLES:
546
547  INTEGER iind(4)
548
549  REAL (KIND=8) zcgaz(kdlon, kflev)
550  REAL (KIND=8) zdiff(kdlon)
551  REAL (KIND=8) zdirf(kdlon)
552  REAL (KIND=8) zpizaz(kdlon, kflev)
553  REAL (KIND=8) zrayl(kdlon)
554  REAL (KIND=8) zray1(kdlon, kflev+1)
555  REAL (KIND=8) zray2(kdlon, kflev+1)
556  REAL (KIND=8) zrefz(kdlon, 2, kflev+1)
557  REAL (KIND=8) zrj(kdlon, 6, kflev+1)
558  REAL (KIND=8) zrj0(kdlon, 6, kflev+1)
559  REAL (KIND=8) zrk(kdlon, 6, kflev+1)
560  REAL (KIND=8) zrk0(kdlon, 6, kflev+1)
561  REAL (KIND=8) zrmue(kdlon, kflev+1)
562  REAL (KIND=8) zrmu0(kdlon, kflev+1)
563  REAL (KIND=8) zr(kdlon, 4)
564  REAL (KIND=8) ztauaz(kdlon, kflev)
565  REAL (KIND=8) ztra1(kdlon, kflev+1)
566  REAL (KIND=8) ztra2(kdlon, kflev+1)
567  REAL (KIND=8) zw(kdlon, 4)
568
569  INTEGER jl, jk, k, jaj, ikm1, ikl
570
571  ! If running with Reporbus, overwrite default values of RSUN.
572  ! Otherwise keep default values from radiation_AR4_param module.
573  IF (type_trac=='repr') THEN
574IF (CPPKEY_REPROBUS) THEN
575    IF (ok_suntime) THEN
576      rsun(1) = rsuntime(1)
577      rsun(2) = rsuntime(2)
578    END IF
579    WRITE (lunout, *) 'RSUN(1): ', rsun(1)
580END IF
581  END IF
582
583  ! ------------------------------------------------------------------
584
585  ! *         1.     FIRST SPECTRAL INTERVAL (0.25-0.68 MICRON)
586  ! ----------------------- ------------------
587
588
589
590  ! *         1.1    OPTICAL THICKNESS FOR RAYLEIGH SCATTERING
591  ! -----------------------------------------
592
593
594  DO jl = 1, kdlon
595    zrayl(jl) = rray(knu, 1) + prmu(jl)*(rray(knu,2)+prmu(jl)*(rray(knu, &
596      3)+prmu(jl)*(rray(knu,4)+prmu(jl)*(rray(knu,5)+prmu(jl)*rray(knu,6)))))
597  END DO
598
599
600  ! ------------------------------------------------------------------
601
602  ! *         2.    CONTINUUM SCATTERING CALCULATIONS
603  ! ---------------------------------
604
605
606  ! *         2.1   CLEAR-SKY FRACTION OF THE COLUMN
607  ! --------------------------------
608
609
610  CALL swclr_lmdar4(knu, paer, flag_aer, tauae, pizae, cgae, palbp, pdsig, &
611    zrayl, psec, zcgaz, zpizaz, zray1, zray2, zrefz, zrj0, zrk0, zrmu0, &
612    ztauaz, ztra1, ztra2)
613
614  ! *         2.2   CLOUDY FRACTION OF THE COLUMN
615  ! -----------------------------
616
617
618  CALL swr_lmdar4(knu, palbd, pcg, pcld, pdsig, pomega, zrayl, psec, ptau, &
619    zcgaz, zpizaz, zray1, zray2, zrefz, zrj, zrk, zrmue, ztauaz, ztra1, &
620    ztra2)
621
622  ! ------------------------------------------------------------------
623
624  ! *         3.    OZONE ABSORPTION
625  ! ----------------
626
627
628  iind(1) = 1
629  iind(2) = 3
630  iind(3) = 1
631  iind(4) = 3
632
633  ! *         3.1   DOWNWARD FLUXES
634  ! ---------------
635
636
637  jaj = 2
638
639  DO jl = 1, kdlon
640    zw(jl, 1) = 0.
641    zw(jl, 2) = 0.
642    zw(jl, 3) = 0.
643    zw(jl, 4) = 0.
644    pfd(jl, kflev+1) = ((1.-pclear(jl))*zrj(jl,jaj,kflev+1)+pclear(jl)*zrj0( &
645      jl,jaj,kflev+1))*rsun(knu)
646  END DO
647  DO jk = 1, kflev
648    ikl = kflev + 1 - jk
649    DO jl = 1, kdlon
650      zw(jl, 1) = zw(jl, 1) + pud(jl, 1, ikl)/zrmue(jl, ikl)
651      zw(jl, 2) = zw(jl, 2) + poz(jl, ikl)/zrmue(jl, ikl)
652      zw(jl, 3) = zw(jl, 3) + pud(jl, 1, ikl)/zrmu0(jl, ikl)
653      zw(jl, 4) = zw(jl, 4) + poz(jl, ikl)/zrmu0(jl, ikl)
654    END DO
655
656    CALL swtt1_lmdar4(knu, 4, iind, zw, zr)
657
658    DO jl = 1, kdlon
659      zdiff(jl) = zr(jl, 1)*zr(jl, 2)*zrj(jl, jaj, ikl)
660      zdirf(jl) = zr(jl, 3)*zr(jl, 4)*zrj0(jl, jaj, ikl)
661      pfd(jl, ikl) = ((1.-pclear(jl))*zdiff(jl)+pclear(jl)*zdirf(jl))* &
662        rsun(knu)
663    END DO
664  END DO
665
666  ! *         3.2   UPWARD FLUXES
667  ! -------------
668
669
670  DO jl = 1, kdlon
671    pfu(jl, 1) = ((1.-pclear(jl))*zdiff(jl)*palbd(jl,knu)+pclear(jl)*zdirf(jl &
672      )*palbp(jl,knu))*rsun(knu)
673  END DO
674
675  DO jk = 2, kflev + 1
676    ikm1 = jk - 1
677    DO jl = 1, kdlon
678      zw(jl, 1) = zw(jl, 1) + pud(jl, 1, ikm1)*1.66
679      zw(jl, 2) = zw(jl, 2) + poz(jl, ikm1)*1.66
680      zw(jl, 3) = zw(jl, 3) + pud(jl, 1, ikm1)*1.66
681      zw(jl, 4) = zw(jl, 4) + poz(jl, ikm1)*1.66
682    END DO
683
684    CALL swtt1_lmdar4(knu, 4, iind, zw, zr)
685
686    DO jl = 1, kdlon
687      zdiff(jl) = zr(jl, 1)*zr(jl, 2)*zrk(jl, jaj, jk)
688      zdirf(jl) = zr(jl, 3)*zr(jl, 4)*zrk0(jl, jaj, jk)
689      pfu(jl, jk) = ((1.-pclear(jl))*zdiff(jl)+pclear(jl)*zdirf(jl))* &
690        rsun(knu)
691    END DO
692  END DO
693
694  ! ------------------------------------------------------------------
695
696  RETURN
697END SUBROUTINE sw1s_lmdar4
698SUBROUTINE sw2s_lmdar4(knu, paer, flag_aer, tauae, pizae, cgae, paki, palbd, &
699    palbp, pcg, pcld, pclear, pcldsw, pdsig, pomega, poz, prmu, psec, ptau, &
700    pud, pwv, pqs, pfdown, pfup)
701USE radepsi_mod_h
702    USE dimphy
703  USE radiation_ar4_param, ONLY: rsun, rray
704  USE infotrac_phy, ONLY: type_trac
705  USE lmdz_reprobus_wrappers, ONLY: rsuntime, ok_suntime
706  USE lmdz_cppkeys_wrapper, ONLY: CPPKEY_REPROBUS
707
708  IMPLICIT NONE
709
710  ! ------------------------------------------------------------------
711  ! PURPOSE.
712  ! --------
713
714  ! THIS ROUTINE COMPUTES THE SHORTWAVE RADIATION FLUXES IN THE
715  ! SECOND SPECTRAL INTERVAL FOLLOWING FOUQUART AND BONNEL (1980).
716
717  ! METHOD.
718  ! -------
719
720  ! 1. COMPUTES REFLECTIVITY/TRANSMISSIVITY CORRESPONDING TO
721  ! CONTINUUM SCATTERING
722  ! 2. COMPUTES REFLECTIVITY/TRANSMISSIVITY CORRESPONDING FOR
723  ! A GREY MOLECULAR ABSORPTION
724  ! 3. LAPLACE TRANSFORM ON THE PREVIOUS TO GET EFFECTIVE AMOUNTS
725  ! OF ABSORBERS
726  ! 4. APPLY H2O AND U.M.G. TRANSMISSION FUNCTIONS
727  ! 5. MULTIPLY BY OZONE TRANSMISSION FUNCTION
728
729  ! REFERENCE.
730  ! ----------
731
732  ! SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT
733  ! DOCUMENTATION, AND FOUQUART AND BONNEL (1980)
734
735  ! AUTHOR.
736  ! -------
737  ! JEAN-JACQUES MORCRETTE  *ECMWF*
738
739  ! MODIFICATIONS.
740  ! --------------
741  ! ORIGINAL : 89-07-14
742  ! 94-11-15   J.-J. MORCRETTE    DIRECT/DIFFUSE ALBEDO
743  ! ------------------------------------------------------------------
744  ! * ARGUMENTS:
745
746  INTEGER knu
747  ! -OB
748  REAL (KIND=8) flag_aer
749  REAL (KIND=8) tauae(kdlon, kflev, 2)
750  REAL (KIND=8) pizae(kdlon, kflev, 2)
751  REAL (KIND=8) cgae(kdlon, kflev, 2)
752  REAL (KIND=8) paer(kdlon, kflev, 5)
753  REAL (KIND=8) paki(kdlon, 2)
754  REAL (KIND=8) palbd(kdlon, 2)
755  REAL (KIND=8) palbp(kdlon, 2)
756  REAL (KIND=8) pcg(kdlon, 2, kflev)
757  REAL (KIND=8) pcld(kdlon, kflev)
758  REAL (KIND=8) pcldsw(kdlon, kflev)
759  REAL (KIND=8) pclear(kdlon)
760  REAL (KIND=8) pdsig(kdlon, kflev)
761  REAL (KIND=8) pomega(kdlon, 2, kflev)
762  REAL (KIND=8) poz(kdlon, kflev)
763  REAL (KIND=8) pqs(kdlon, kflev)
764  REAL (KIND=8) prmu(kdlon)
765  REAL (KIND=8) psec(kdlon)
766  REAL (KIND=8) ptau(kdlon, 2, kflev)
767  REAL (KIND=8) pud(kdlon, 5, kflev+1)
768  REAL (KIND=8) pwv(kdlon, kflev)
769
770  REAL (KIND=8) pfdown(kdlon, kflev+1)
771  REAL (KIND=8) pfup(kdlon, kflev+1)
772
773  ! * LOCAL VARIABLES:
774
775  INTEGER iind2(2), iind3(3)
776  REAL (KIND=8) zcgaz(kdlon, kflev)
777  REAL (KIND=8) zfd(kdlon, kflev+1)
778  REAL (KIND=8) zfu(kdlon, kflev+1)
779  REAL (KIND=8) zg(kdlon)
780  REAL (KIND=8) zgg(kdlon)
781  REAL (KIND=8) zpizaz(kdlon, kflev)
782  REAL (KIND=8) zrayl(kdlon)
783  REAL (KIND=8) zray1(kdlon, kflev+1)
784  REAL (KIND=8) zray2(kdlon, kflev+1)
785  REAL (KIND=8) zref(kdlon)
786  REAL (KIND=8) zrefz(kdlon, 2, kflev+1)
787  REAL (KIND=8) zre1(kdlon)
788  REAL (KIND=8) zre2(kdlon)
789  REAL (KIND=8) zrj(kdlon, 6, kflev+1)
790  REAL (KIND=8) zrj0(kdlon, 6, kflev+1)
791  REAL (KIND=8) zrk(kdlon, 6, kflev+1)
792  REAL (KIND=8) zrk0(kdlon, 6, kflev+1)
793  REAL (KIND=8) zrl(kdlon, 8)
794  REAL (KIND=8) zrmue(kdlon, kflev+1)
795  REAL (KIND=8) zrmu0(kdlon, kflev+1)
796  REAL (KIND=8) zrmuz(kdlon)
797  REAL (KIND=8) zrneb(kdlon)
798  REAL (KIND=8) zruef(kdlon, 8)
799  REAL (KIND=8) zr1(kdlon)
800  REAL (KIND=8) zr2(kdlon, 2)
801  REAL (KIND=8) zr3(kdlon, 3)
802  REAL (KIND=8) zr4(kdlon)
803  REAL (KIND=8) zr21(kdlon)
804  REAL (KIND=8) zr22(kdlon)
805  REAL (KIND=8) zs(kdlon)
806  REAL (KIND=8) ztauaz(kdlon, kflev)
807  REAL (KIND=8) zto1(kdlon)
808  REAL (KIND=8) ztr(kdlon, 2, kflev+1)
809  REAL (KIND=8) ztra1(kdlon, kflev+1)
810  REAL (KIND=8) ztra2(kdlon, kflev+1)
811  REAL (KIND=8) ztr1(kdlon)
812  REAL (KIND=8) ztr2(kdlon)
813  REAL (KIND=8) zw(kdlon)
814  REAL (KIND=8) zw1(kdlon)
815  REAL (KIND=8) zw2(kdlon, 2)
816  REAL (KIND=8) zw3(kdlon, 3)
817  REAL (KIND=8) zw4(kdlon)
818  REAL (KIND=8) zw5(kdlon)
819
820  INTEGER jl, jk, k, jaj, ikm1, ikl, jn, jabs, jkm1
821  INTEGER jref, jkl, jklp1, jajp, jkki, jkkp4, jn2j, iabs
822  REAL (KIND=8) zrmum1, zwh2o, zcneb, zaa, zbb, zrki, zre11
823
824  ! If running with Reporbus, overwrite default values of RSUN.
825  ! Otherwise keep default values from radiation_AR4_param module.
826  IF (type_trac=='repr') THEN
827IF (CPPKEY_REPROBUS) THEN
828    IF (ok_suntime) THEN
829      rsun(1) = rsuntime(1)
830      rsun(2) = rsuntime(2)
831    END IF
832END IF
833  END IF
834
835  ! ------------------------------------------------------------------
836
837  ! *         1.     SECOND SPECTRAL INTERVAL (0.68-4.00 MICRON)
838  ! -------------------------------------------
839
840
841
842  ! *         1.1    OPTICAL THICKNESS FOR RAYLEIGH SCATTERING
843  ! -----------------------------------------
844
845
846  DO jl = 1, kdlon
847    zrmum1 = 1. - prmu(jl)
848    zrayl(jl) = rray(knu, 1) + zrmum1*(rray(knu,2)+zrmum1*(rray(knu, &
849      3)+zrmum1*(rray(knu,4)+zrmum1*(rray(knu,5)+zrmum1*rray(knu,6)))))
850  END DO
851
852  ! ------------------------------------------------------------------
853
854  ! *         2.    CONTINUUM SCATTERING CALCULATIONS
855  ! ---------------------------------
856
857
858  ! *         2.1   CLEAR-SKY FRACTION OF THE COLUMN
859  ! --------------------------------
860
861
862  CALL swclr_lmdar4(knu, paer, flag_aer, tauae, pizae, cgae, palbp, pdsig, &
863    zrayl, psec, zcgaz, zpizaz, zray1, zray2, zrefz, zrj0, zrk0, zrmu0, &
864    ztauaz, ztra1, ztra2)
865
866  ! *         2.2   CLOUDY FRACTION OF THE COLUMN
867  ! -----------------------------
868
869
870  CALL swr_lmdar4(knu, palbd, pcg, pcld, pdsig, pomega, zrayl, psec, ptau, &
871    zcgaz, zpizaz, zray1, zray2, zrefz, zrj, zrk, zrmue, ztauaz, ztra1, &
872    ztra2)
873
874  ! ------------------------------------------------------------------
875
876  ! *         3.    SCATTERING CALCULATIONS WITH GREY MOLECULAR ABSORPTION
877  ! ------------------------------------------------------
878
879
880  jn = 2
881
882  DO jabs = 1, 2
883    ! *         3.1  SURFACE CONDITIONS
884    ! ------------------
885
886
887    DO jl = 1, kdlon
888      zrefz(jl, 2, 1) = palbd(jl, knu)
889      zrefz(jl, 1, 1) = palbd(jl, knu)
890    END DO
891
892    ! *         3.2  INTRODUCING CLOUD EFFECTS
893    ! -------------------------
894
895
896    DO jk = 2, kflev + 1
897      jkm1 = jk - 1
898      ikl = kflev + 1 - jkm1
899      DO jl = 1, kdlon
900        zrneb(jl) = pcld(jl, jkm1)
901        IF (jabs==1 .AND. zrneb(jl)>2.*zeelog) THEN
902          zwh2o = max(pwv(jl,jkm1), zeelog)
903          zcneb = max(zeelog, min(zrneb(jl),1.-zeelog))
904          zbb = pud(jl, jabs, jkm1)*pqs(jl, jkm1)/zwh2o
905          zaa = max((pud(jl,jabs,jkm1)-zcneb*zbb)/(1.-zcneb), zeelog)
906        ELSE
907          zaa = pud(jl, jabs, jkm1)
908          zbb = zaa
909        END IF
910        zrki = paki(jl, jabs)
911        zs(jl) = exp(-zrki*zaa*1.66)
912        zg(jl) = exp(-zrki*zaa/zrmue(jl,jk))
913        ztr1(jl) = 0.
914        zre1(jl) = 0.
915        ztr2(jl) = 0.
916        zre2(jl) = 0.
917
918        zw(jl) = pomega(jl, knu, jkm1)
919        zto1(jl) = ptau(jl, knu, jkm1)/zw(jl) + ztauaz(jl, jkm1)/zpizaz(jl, &
920          jkm1) + zbb*zrki
921
922        zr21(jl) = ptau(jl, knu, jkm1) + ztauaz(jl, jkm1)
923        zr22(jl) = ptau(jl, knu, jkm1)/zr21(jl)
924        zgg(jl) = zr22(jl)*pcg(jl, knu, jkm1) + (1.-zr22(jl))*zcgaz(jl, jkm1)
925        zw(jl) = zr21(jl)/zto1(jl)
926        zref(jl) = zrefz(jl, 1, jkm1)
927        zrmuz(jl) = zrmue(jl, jk)
928      END DO
929
930      CALL swde_lmdar4(zgg, zref, zrmuz, zto1, zw, zre1, zre2, ztr1, ztr2)
931
932      DO jl = 1, kdlon
933
934        zrefz(jl, 2, jk) = (1.-zrneb(jl))*(zray1(jl,jkm1)+zrefz(jl,2,jkm1)* &
935          ztra1(jl,jkm1)*ztra2(jl,jkm1))*zg(jl)*zs(jl) + zrneb(jl)*zre1(jl)
936
937        ztr(jl, 2, jkm1) = zrneb(jl)*ztr1(jl) + (ztra1(jl,jkm1))*zg(jl)*(1.- &
938          zrneb(jl))
939
940        zrefz(jl, 1, jk) = (1.-zrneb(jl))*(zray1(jl,jkm1)+zrefz(jl,1,jkm1)* &
941          ztra1(jl,jkm1)*ztra2(jl,jkm1)/(1.-zray2(jl,jkm1)*zrefz(jl,1, &
942          jkm1)))*zg(jl)*zs(jl) + zrneb(jl)*zre2(jl)
943
944        ztr(jl, 1, jkm1) = zrneb(jl)*ztr2(jl) + (ztra1(jl,jkm1)/(1.-zray2(jl, &
945          jkm1)*zrefz(jl,1,jkm1)))*zg(jl)*(1.-zrneb(jl))
946
947      END DO
948    END DO
949
950    ! *         3.3  REFLECT./TRANSMISSIVITY BETWEEN SURFACE AND LEVEL
951    ! -------------------------------------------------
952
953
954    DO jref = 1, 2
955
956      jn = jn + 1
957
958      DO jl = 1, kdlon
959        zrj(jl, jn, kflev+1) = 1.
960        zrk(jl, jn, kflev+1) = zrefz(jl, jref, kflev+1)
961      END DO
962
963      DO jk = 1, kflev
964        jkl = kflev + 1 - jk
965        jklp1 = jkl + 1
966        DO jl = 1, kdlon
967          zre11 = zrj(jl, jn, jklp1)*ztr(jl, jref, jkl)
968          zrj(jl, jn, jkl) = zre11
969          zrk(jl, jn, jkl) = zre11*zrefz(jl, jref, jkl)
970        END DO
971      END DO
972    END DO
973  END DO
974
975  ! ------------------------------------------------------------------
976
977  ! *         4.    INVERT GREY AND CONTINUUM FLUXES
978  ! --------------------------------
979
980
981
982  ! *         4.1   UPWARD (ZRK) AND DOWNWARD (ZRJ) PSEUDO-FLUXES
983  ! ---------------------------------------------
984
985
986  DO jk = 1, kflev + 1
987    DO jaj = 1, 5, 2
988      jajp = jaj + 1
989      DO jl = 1, kdlon
990        zrj(jl, jaj, jk) = zrj(jl, jaj, jk) - zrj(jl, jajp, jk)
991        zrk(jl, jaj, jk) = zrk(jl, jaj, jk) - zrk(jl, jajp, jk)
992        zrj(jl, jaj, jk) = max(zrj(jl,jaj,jk), zeelog)
993        zrk(jl, jaj, jk) = max(zrk(jl,jaj,jk), zeelog)
994      END DO
995    END DO
996  END DO
997
998  DO jk = 1, kflev + 1
999    DO jaj = 2, 6, 2
1000      DO jl = 1, kdlon
1001        zrj(jl, jaj, jk) = max(zrj(jl,jaj,jk), zeelog)
1002        zrk(jl, jaj, jk) = max(zrk(jl,jaj,jk), zeelog)
1003      END DO
1004    END DO
1005  END DO
1006
1007  ! *         4.2    EFFECTIVE ABSORBER AMOUNTS BY INVERSE LAPLACE
1008  ! ---------------------------------------------
1009
1010
1011  DO jk = 1, kflev + 1
1012    jkki = 1
1013    DO jaj = 1, 2
1014      iind2(1) = jaj
1015      iind2(2) = jaj
1016      DO jn = 1, 2
1017        jn2j = jn + 2*jaj
1018        jkkp4 = jkki + 4
1019
1020        ! *         4.2.1  EFFECTIVE ABSORBER AMOUNTS
1021        ! --------------------------
1022
1023
1024        DO jl = 1, kdlon
1025          zw2(jl, 1) = log(zrj(jl,jn,jk)/zrj(jl,jn2j,jk))/paki(jl, jaj)
1026          zw2(jl, 2) = log(zrk(jl,jn,jk)/zrk(jl,jn2j,jk))/paki(jl, jaj)
1027        END DO
1028
1029        ! *         4.2.2  TRANSMISSION FUNCTION
1030        ! ---------------------
1031
1032
1033        CALL swtt1_lmdar4(knu, 2, iind2, zw2, zr2)
1034
1035        DO jl = 1, kdlon
1036          zrl(jl, jkki) = zr2(jl, 1)
1037          zruef(jl, jkki) = zw2(jl, 1)
1038          zrl(jl, jkkp4) = zr2(jl, 2)
1039          zruef(jl, jkkp4) = zw2(jl, 2)
1040        END DO
1041
1042        jkki = jkki + 1
1043      END DO
1044    END DO
1045
1046    ! *         4.3    UPWARD AND DOWNWARD FLUXES WITH H2O AND UMG ABSORPTION
1047    ! ------------------------------------------------------
1048
1049
1050    DO jl = 1, kdlon
1051      pfdown(jl, jk) = zrj(jl, 1, jk)*zrl(jl, 1)*zrl(jl, 3) + &
1052        zrj(jl, 2, jk)*zrl(jl, 2)*zrl(jl, 4)
1053      pfup(jl, jk) = zrk(jl, 1, jk)*zrl(jl, 5)*zrl(jl, 7) + &
1054        zrk(jl, 2, jk)*zrl(jl, 6)*zrl(jl, 8)
1055    END DO
1056  END DO
1057
1058  ! ------------------------------------------------------------------
1059
1060  ! *         5.    MOLECULAR ABSORPTION ON CLEAR-SKY FLUXES
1061  ! ----------------------------------------
1062
1063
1064
1065  ! *         5.1   DOWNWARD FLUXES
1066  ! ---------------
1067
1068
1069  jaj = 2
1070  iind3(1) = 1
1071  iind3(2) = 2
1072  iind3(3) = 3
1073
1074  DO jl = 1, kdlon
1075    zw3(jl, 1) = 0.
1076    zw3(jl, 2) = 0.
1077    zw3(jl, 3) = 0.
1078    zw4(jl) = 0.
1079    zw5(jl) = 0.
1080    zr4(jl) = 1.
1081    zfd(jl, kflev+1) = zrj0(jl, jaj, kflev+1)
1082  END DO
1083  DO jk = 1, kflev
1084    ikl = kflev + 1 - jk
1085    DO jl = 1, kdlon
1086      zw3(jl, 1) = zw3(jl, 1) + pud(jl, 1, ikl)/zrmu0(jl, ikl)
1087      zw3(jl, 2) = zw3(jl, 2) + pud(jl, 2, ikl)/zrmu0(jl, ikl)
1088      zw3(jl, 3) = zw3(jl, 3) + poz(jl, ikl)/zrmu0(jl, ikl)
1089      zw4(jl) = zw4(jl) + pud(jl, 4, ikl)/zrmu0(jl, ikl)
1090      zw5(jl) = zw5(jl) + pud(jl, 5, ikl)/zrmu0(jl, ikl)
1091    END DO
1092
1093    CALL swtt1_lmdar4(knu, 3, iind3, zw3, zr3)
1094
1095    DO jl = 1, kdlon
1096      ! ZR4(JL) = EXP(-RSWCE*ZW4(JL)-RSWCP*ZW5(JL))
1097      zfd(jl, ikl) = zr3(jl, 1)*zr3(jl, 2)*zr3(jl, 3)*zr4(jl)* &
1098        zrj0(jl, jaj, ikl)
1099    END DO
1100  END DO
1101
1102  ! *         5.2   UPWARD FLUXES
1103  ! -------------
1104
1105
1106  DO jl = 1, kdlon
1107    zfu(jl, 1) = zfd(jl, 1)*palbp(jl, knu)
1108  END DO
1109
1110  DO jk = 2, kflev + 1
1111    ikm1 = jk - 1
1112    DO jl = 1, kdlon
1113      zw3(jl, 1) = zw3(jl, 1) + pud(jl, 1, ikm1)*1.66
1114      zw3(jl, 2) = zw3(jl, 2) + pud(jl, 2, ikm1)*1.66
1115      zw3(jl, 3) = zw3(jl, 3) + poz(jl, ikm1)*1.66
1116      zw4(jl) = zw4(jl) + pud(jl, 4, ikm1)*1.66
1117      zw5(jl) = zw5(jl) + pud(jl, 5, ikm1)*1.66
1118    END DO
1119
1120    CALL swtt1_lmdar4(knu, 3, iind3, zw3, zr3)
1121
1122    DO jl = 1, kdlon
1123      ! ZR4(JL) = EXP(-RSWCE*ZW4(JL)-RSWCP*ZW5(JL))
1124      zfu(jl, jk) = zr3(jl, 1)*zr3(jl, 2)*zr3(jl, 3)*zr4(jl)* &
1125        zrk0(jl, jaj, jk)
1126    END DO
1127  END DO
1128
1129  ! ------------------------------------------------------------------
1130
1131  ! *         6.     INTRODUCTION OF OZONE AND H2O CONTINUUM ABSORPTION
1132  ! --------------------------------------------------
1133
1134  iabs = 3
1135
1136  ! *         6.1    DOWNWARD FLUXES
1137  ! ---------------
1138
1139  DO jl = 1, kdlon
1140    zw1(jl) = 0.
1141    zw4(jl) = 0.
1142    zw5(jl) = 0.
1143    zr1(jl) = 0.
1144    pfdown(jl, kflev+1) = ((1.-pclear(jl))*pfdown(jl,kflev+1)+pclear(jl)*zfd( &
1145      jl,kflev+1))*rsun(knu)
1146  END DO
1147
1148  DO jk = 1, kflev
1149    ikl = kflev + 1 - jk
1150    DO jl = 1, kdlon
1151      zw1(jl) = zw1(jl) + poz(jl, ikl)/zrmue(jl, ikl)
1152      zw4(jl) = zw4(jl) + pud(jl, 4, ikl)/zrmue(jl, ikl)
1153      zw5(jl) = zw5(jl) + pud(jl, 5, ikl)/zrmue(jl, ikl)
1154      ! ZR4(JL) = EXP(-RSWCE*ZW4(JL)-RSWCP*ZW5(JL))
1155    END DO
1156
1157    CALL swtt_lmdar4(knu, iabs, zw1, zr1)
1158
1159    DO jl = 1, kdlon
1160      pfdown(jl, ikl) = ((1.-pclear(jl))*zr1(jl)*zr4(jl)*pfdown(jl,ikl)+ &
1161        pclear(jl)*zfd(jl,ikl))*rsun(knu)
1162    END DO
1163  END DO
1164
1165  ! *         6.2    UPWARD FLUXES
1166  ! -------------
1167
1168  DO jl = 1, kdlon
1169    pfup(jl, 1) = ((1.-pclear(jl))*zr1(jl)*zr4(jl)*pfup(jl,1)+pclear(jl)*zfu( &
1170      jl,1))*rsun(knu)
1171  END DO
1172
1173  DO jk = 2, kflev + 1
1174    ikm1 = jk - 1
1175    DO jl = 1, kdlon
1176      zw1(jl) = zw1(jl) + poz(jl, ikm1)*1.66
1177      zw4(jl) = zw4(jl) + pud(jl, 4, ikm1)*1.66
1178      zw5(jl) = zw5(jl) + pud(jl, 5, ikm1)*1.66
1179      ! ZR4(JL) = EXP(-RSWCE*ZW4(JL)-RSWCP*ZW5(JL))
1180    END DO
1181
1182    CALL swtt_lmdar4(knu, iabs, zw1, zr1)
1183
1184    DO jl = 1, kdlon
1185      pfup(jl, jk) = ((1.-pclear(jl))*zr1(jl)*zr4(jl)*pfup(jl,jk)+pclear(jl)* &
1186        zfu(jl,jk))*rsun(knu)
1187    END DO
1188  END DO
1189
1190  ! ------------------------------------------------------------------
1191
1192  RETURN
1193END SUBROUTINE sw2s_lmdar4
1194SUBROUTINE swclr_lmdar4(knu, paer, flag_aer, tauae, pizae, cgae, palbp, &
1195    pdsig, prayl, psec, pcgaz, ppizaz, pray1, pray2, prefz, prj, prk, prmu0, &
1196    ptauaz, ptra1, ptra2)
1197USE radopt_mod_h
1198  USE radepsi_mod_h
1199    USE dimphy
1200  USE radiation_ar4_param, ONLY: taua, rpiza, rcga
1201  IMPLICIT NONE
1202
1203  ! ------------------------------------------------------------------
1204  ! PURPOSE.
1205  ! --------
1206  ! COMPUTES THE REFLECTIVITY AND TRANSMISSIVITY IN CASE OF
1207  ! CLEAR-SKY COLUMN
1208
1209  ! REFERENCE.
1210  ! ----------
1211
1212  ! SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT
1213  ! DOCUMENTATION, AND FOUQUART AND BONNEL (1980)
1214
1215  ! AUTHOR.
1216  ! -------
1217  ! JEAN-JACQUES MORCRETTE  *ECMWF*
1218
1219  ! MODIFICATIONS.
1220  ! --------------
1221  ! ORIGINAL : 94-11-15
1222  ! ------------------------------------------------------------------
1223  ! * ARGUMENTS:
1224
1225  INTEGER knu
1226  ! -OB
1227  REAL (KIND=8) flag_aer
1228  REAL (KIND=8) tauae(kdlon, kflev, 2)
1229  REAL (KIND=8) pizae(kdlon, kflev, 2)
1230  REAL (KIND=8) cgae(kdlon, kflev, 2)
1231  REAL (KIND=8) paer(kdlon, kflev, 5)
1232  REAL (KIND=8) palbp(kdlon, 2)
1233  REAL (KIND=8) pdsig(kdlon, kflev)
1234  REAL (KIND=8) prayl(kdlon)
1235  REAL (KIND=8) psec(kdlon)
1236
1237  REAL (KIND=8) pcgaz(kdlon, kflev)
1238  REAL (KIND=8) ppizaz(kdlon, kflev)
1239  REAL (KIND=8) pray1(kdlon, kflev+1)
1240  REAL (KIND=8) pray2(kdlon, kflev+1)
1241  REAL (KIND=8) prefz(kdlon, 2, kflev+1)
1242  REAL (KIND=8) prj(kdlon, 6, kflev+1)
1243  REAL (KIND=8) prk(kdlon, 6, kflev+1)
1244  REAL (KIND=8) prmu0(kdlon, kflev+1)
1245  REAL (KIND=8) ptauaz(kdlon, kflev)
1246  REAL (KIND=8) ptra1(kdlon, kflev+1)
1247  REAL (KIND=8) ptra2(kdlon, kflev+1)
1248
1249  ! * LOCAL VARIABLES:
1250
1251  REAL (KIND=8) zc0i(kdlon, kflev+1)
1252  REAL (KIND=8) zcle0(kdlon, kflev)
1253  REAL (KIND=8) zclear(kdlon)
1254  REAL (KIND=8) zr21(kdlon)
1255  REAL (KIND=8) zr23(kdlon)
1256  REAL (KIND=8) zss0(kdlon)
1257  REAL (KIND=8) zscat(kdlon)
1258  REAL (KIND=8) ztr(kdlon, 2, kflev+1)
1259
1260  INTEGER jl, jk, ja, jae, jkl, jklp1, jaj, jkm1, in
1261  REAL (KIND=8) ztray, zgar, zratio, zff, zfacoa, zcorae
1262  REAL (KIND=8) zmue, zgap, zww, zto, zden, zmu1, zden1
1263  REAL (KIND=8) zbmu0, zbmu1, zre11
1264
1265  ! ------------------------------------------------------------------
1266
1267  ! *         1.    OPTICAL PARAMETERS FOR AEROSOLS AND RAYLEIGH
1268  ! --------------------------------------------
1269
1270
1271  ! cdir collapse
1272  DO jk = 1, kflev + 1
1273    DO ja = 1, 6
1274      DO jl = 1, kdlon
1275        prj(jl, ja, jk) = 0.
1276        prk(jl, ja, jk) = 0.
1277      END DO
1278    END DO
1279  END DO
1280
1281  DO jk = 1, kflev
1282    ! -OB
1283    ! DO 104 JL = 1, KDLON
1284    ! PCGAZ(JL,JK) = 0.
1285    ! PPIZAZ(JL,JK) =  0.
1286    ! PTAUAZ(JL,JK) = 0.
1287    ! 104  CONTINUE
1288    ! -OB
1289    ! DO 106 JAE=1,5
1290    ! DO 105 JL = 1, KDLON
1291    ! PTAUAZ(JL,JK)=PTAUAZ(JL,JK)
1292    ! S        +PAER(JL,JK,JAE)*TAUA(KNU,JAE)
1293    ! PPIZAZ(JL,JK)=PPIZAZ(JL,JK)+PAER(JL,JK,JAE)
1294    ! S        * TAUA(KNU,JAE)*RPIZA(KNU,JAE)
1295    ! PCGAZ(JL,JK) =  PCGAZ(JL,JK) +PAER(JL,JK,JAE)
1296    ! S        * TAUA(KNU,JAE)*RPIZA(KNU,JAE)*RCGA(KNU,JAE)
1297    ! 105  CONTINUE
1298    ! 106  CONTINUE
1299    ! -OB
1300    DO jl = 1, kdlon
1301      ptauaz(jl, jk) = flag_aer*tauae(jl, jk, knu)
1302      ppizaz(jl, jk) = flag_aer*pizae(jl, jk, knu)
1303      pcgaz(jl, jk) = flag_aer*cgae(jl, jk, knu)
1304    END DO
1305
1306    IF (flag_aer>0) THEN
1307      ! -OB
1308      DO jl = 1, kdlon
1309        ! PCGAZ(JL,JK)=PCGAZ(JL,JK)/PPIZAZ(JL,JK)
1310        ! PPIZAZ(JL,JK)=PPIZAZ(JL,JK)/PTAUAZ(JL,JK)
1311        ztray = prayl(jl)*pdsig(jl, jk)
1312        zratio = ztray/(ztray+ptauaz(jl,jk))
1313        zgar = pcgaz(jl, jk)
1314        zff = zgar*zgar
1315        ptauaz(jl, jk) = ztray + ptauaz(jl, jk)*(1.-ppizaz(jl,jk)*zff)
1316        pcgaz(jl, jk) = zgar*(1.-zratio)/(1.+zgar)
1317        ppizaz(jl, jk) = zratio + (1.-zratio)*ppizaz(jl, jk)*(1.-zff)/(1.- &
1318          ppizaz(jl,jk)*zff)
1319      END DO
1320    ELSE
1321      DO jl = 1, kdlon
1322        ztray = prayl(jl)*pdsig(jl, jk)
1323        ptauaz(jl, jk) = ztray
1324        pcgaz(jl, jk) = 0.
1325        ppizaz(jl, jk) = 1. - repsct
1326      END DO
1327    END IF ! check flag_aer
1328    ! 107  CONTINUE
1329    ! PRINT 9107,JK,((PAER(JL,JK,JAE),JAE=1,5)
1330    ! $ ,PTAUAZ(JL,JK),PPIZAZ(JL,JK),PCGAZ(JL,JK),JL=1,KDLON)
1331    ! 9107 FORMAT(1X,'SWCLR_107',I3,8E12.5)
1332
1333  END DO
1334
1335  ! ------------------------------------------------------------------
1336
1337  ! *         2.    TOTAL EFFECTIVE CLOUDINESS ABOVE A GIVEN LEVEL
1338  ! ----------------------------------------------
1339
1340
1341  DO jl = 1, kdlon
1342    zr23(jl) = 0.
1343    zc0i(jl, kflev+1) = 0.
1344    zclear(jl) = 1.
1345    zscat(jl) = 0.
1346  END DO
1347
1348  jk = 1
1349  jkl = kflev + 1 - jk
1350  jklp1 = jkl + 1
1351  DO jl = 1, kdlon
1352    zfacoa = 1. - ppizaz(jl, jkl)*pcgaz(jl, jkl)*pcgaz(jl, jkl)
1353    zcorae = zfacoa*ptauaz(jl, jkl)*psec(jl)
1354    zr21(jl) = exp(-zcorae)
1355    zss0(jl) = 1. - zr21(jl)
1356    zcle0(jl, jkl) = zss0(jl)
1357
1358    IF (novlp==1) THEN
1359      ! * maximum-random
1360      zclear(jl) = zclear(jl)*(1.0-max(zss0(jl),zscat(jl)))/ &
1361        (1.0-min(zscat(jl),1.-zepsec))
1362      zc0i(jl, jkl) = 1.0 - zclear(jl)
1363      zscat(jl) = zss0(jl)
1364    ELSE IF (novlp==2) THEN
1365      ! * maximum
1366      zscat(jl) = max(zss0(jl), zscat(jl))
1367      zc0i(jl, jkl) = zscat(jl)
1368    ELSE IF (novlp==3) THEN
1369      ! * random
1370      zclear(jl) = zclear(jl)*(1.0-zss0(jl))
1371      zscat(jl) = 1.0 - zclear(jl)
1372      zc0i(jl, jkl) = zscat(jl)
1373    END IF
1374  END DO
1375
1376  DO jk = 2, kflev
1377    jkl = kflev + 1 - jk
1378    jklp1 = jkl + 1
1379    DO jl = 1, kdlon
1380      zfacoa = 1. - ppizaz(jl, jkl)*pcgaz(jl, jkl)*pcgaz(jl, jkl)
1381      zcorae = zfacoa*ptauaz(jl, jkl)*psec(jl)
1382      zr21(jl) = exp(-zcorae)
1383      zss0(jl) = 1. - zr21(jl)
1384      zcle0(jl, jkl) = zss0(jl)
1385
1386      IF (novlp==1) THEN
1387        ! * maximum-random
1388        zclear(jl) = zclear(jl)*(1.0-max(zss0(jl),zscat(jl)))/ &
1389          (1.0-min(zscat(jl),1.-zepsec))
1390        zc0i(jl, jkl) = 1.0 - zclear(jl)
1391        zscat(jl) = zss0(jl)
1392      ELSE IF (novlp==2) THEN
1393        ! * maximum
1394        zscat(jl) = max(zss0(jl), zscat(jl))
1395        zc0i(jl, jkl) = zscat(jl)
1396      ELSE IF (novlp==3) THEN
1397        ! * random
1398        zclear(jl) = zclear(jl)*(1.0-zss0(jl))
1399        zscat(jl) = 1.0 - zclear(jl)
1400        zc0i(jl, jkl) = zscat(jl)
1401      END IF
1402    END DO
1403  END DO
1404
1405  ! ------------------------------------------------------------------
1406
1407  ! *         3.    REFLECTIVITY/TRANSMISSIVITY FOR PURE SCATTERING
1408  ! -----------------------------------------------
1409
1410
1411  DO jl = 1, kdlon
1412    pray1(jl, kflev+1) = 0.
1413    pray2(jl, kflev+1) = 0.
1414    prefz(jl, 2, 1) = palbp(jl, knu)
1415    prefz(jl, 1, 1) = palbp(jl, knu)
1416    ptra1(jl, kflev+1) = 1.
1417    ptra2(jl, kflev+1) = 1.
1418  END DO
1419
1420  DO jk = 2, kflev + 1
1421    jkm1 = jk - 1
1422    DO jl = 1, kdlon
1423
1424      ! ------------------------------------------------------------------
1425
1426      ! *         3.1  EQUIVALENT ZENITH ANGLE
1427      ! -----------------------
1428
1429
1430      zmue = (1.-zc0i(jl,jk))*psec(jl) + zc0i(jl, jk)*1.66
1431      prmu0(jl, jk) = 1./zmue
1432
1433      ! ------------------------------------------------------------------
1434
1435      ! *         3.2  REFLECT./TRANSMISSIVITY DUE TO RAYLEIGH AND AEROSOLS
1436      ! ----------------------------------------------------
1437
1438
1439      zgap = pcgaz(jl, jkm1)
1440      zbmu0 = 0.5 - 0.75*zgap/zmue
1441      zww = ppizaz(jl, jkm1)
1442      zto = ptauaz(jl, jkm1)
1443      zden = 1. + (1.-zww+zbmu0*zww)*zto*zmue + (1-zww)*(1.-zww+2.*zbmu0*zww) &
1444        *zto*zto*zmue*zmue
1445      pray1(jl, jkm1) = zbmu0*zww*zto*zmue/zden
1446      ptra1(jl, jkm1) = 1./zden
1447
1448      zmu1 = 0.5
1449      zbmu1 = 0.5 - 0.75*zgap*zmu1
1450      zden1 = 1. + (1.-zww+zbmu1*zww)*zto/zmu1 + (1-zww)*(1.-zww+2.*zbmu1*zww &
1451        )*zto*zto/zmu1/zmu1
1452      pray2(jl, jkm1) = zbmu1*zww*zto/zmu1/zden1
1453      ptra2(jl, jkm1) = 1./zden1
1454
1455
1456
1457      prefz(jl, 1, jk) = (pray1(jl,jkm1)+prefz(jl,1,jkm1)*ptra1(jl,jkm1)* &
1458        ptra2(jl,jkm1)/(1.-pray2(jl,jkm1)*prefz(jl,1,jkm1)))
1459
1460      ztr(jl, 1, jkm1) = (ptra1(jl,jkm1)/(1.-pray2(jl,jkm1)*prefz(jl,1, &
1461        jkm1)))
1462
1463      prefz(jl, 2, jk) = (pray1(jl,jkm1)+prefz(jl,2,jkm1)*ptra1(jl,jkm1)* &
1464        ptra2(jl,jkm1))
1465
1466      ztr(jl, 2, jkm1) = ptra1(jl, jkm1)
1467
1468    END DO
1469  END DO
1470  DO jl = 1, kdlon
1471    zmue = (1.-zc0i(jl,1))*psec(jl) + zc0i(jl, 1)*1.66
1472    prmu0(jl, 1) = 1./zmue
1473  END DO
1474
1475  ! ------------------------------------------------------------------
1476
1477  ! *         3.5    REFLECT./TRANSMISSIVITY BETWEEN SURFACE AND LEVEL
1478  ! -------------------------------------------------
1479
1480
1481  IF (knu==1) THEN
1482    jaj = 2
1483    DO jl = 1, kdlon
1484      prj(jl, jaj, kflev+1) = 1.
1485      prk(jl, jaj, kflev+1) = prefz(jl, 1, kflev+1)
1486    END DO
1487
1488    DO jk = 1, kflev
1489      jkl = kflev + 1 - jk
1490      jklp1 = jkl + 1
1491      DO jl = 1, kdlon
1492        zre11 = prj(jl, jaj, jklp1)*ztr(jl, 1, jkl)
1493        prj(jl, jaj, jkl) = zre11
1494        prk(jl, jaj, jkl) = zre11*prefz(jl, 1, jkl)
1495      END DO
1496    END DO
1497
1498  ELSE
1499
1500    DO jaj = 1, 2
1501      DO jl = 1, kdlon
1502        prj(jl, jaj, kflev+1) = 1.
1503        prk(jl, jaj, kflev+1) = prefz(jl, jaj, kflev+1)
1504      END DO
1505
1506      DO jk = 1, kflev
1507        jkl = kflev + 1 - jk
1508        jklp1 = jkl + 1
1509        DO jl = 1, kdlon
1510          zre11 = prj(jl, jaj, jklp1)*ztr(jl, jaj, jkl)
1511          prj(jl, jaj, jkl) = zre11
1512          prk(jl, jaj, jkl) = zre11*prefz(jl, jaj, jkl)
1513        END DO
1514      END DO
1515    END DO
1516
1517  END IF
1518
1519  ! ------------------------------------------------------------------
1520
1521  RETURN
1522END SUBROUTINE swclr_lmdar4
1523SUBROUTINE swr_lmdar4(knu, palbd, pcg, pcld, pdsig, pomega, prayl, psec, &
1524    ptau, pcgaz, ppizaz, pray1, pray2, prefz, prj, prk, prmue, ptauaz, ptra1, &
1525    ptra2)
1526USE radopt_mod_h
1527  USE radepsi_mod_h
1528    USE clesphys_mod_h
1529  USE dimphy
1530  IMPLICIT NONE
1531
1532  ! ------------------------------------------------------------------
1533  ! PURPOSE.
1534  ! --------
1535  ! COMPUTES THE REFLECTIVITY AND TRANSMISSIVITY IN CASE OF
1536  ! CONTINUUM SCATTERING
1537
1538  ! METHOD.
1539  ! -------
1540
1541  ! 1. COMPUTES CONTINUUM FLUXES CORRESPONDING TO AEROSOL
1542  ! OR/AND RAYLEIGH SCATTERING (NO MOLECULAR GAS ABSORPTION)
1543
1544  ! REFERENCE.
1545  ! ----------
1546
1547  ! SEE RADIATION'S PART OF THE ECMWF RESEARCH DEPARTMENT
1548  ! DOCUMENTATION, AND FOUQUART AND BONNEL (1980)
1549
1550  ! AUTHOR.
1551  ! -------
1552  ! JEAN-JACQUES MORCRETTE  *ECMWF*
1553
1554  ! MODIFICATIONS.
1555  ! --------------
1556  ! ORIGINAL : 89-07-14
1557  ! ------------------------------------------------------------------
1558  ! * ARGUMENTS:
1559
1560  INTEGER knu
1561  REAL (KIND=8) palbd(kdlon, 2)
1562  REAL (KIND=8) pcg(kdlon, 2, kflev)
1563  REAL (KIND=8) pcld(kdlon, kflev)
1564  REAL (KIND=8) pdsig(kdlon, kflev)
1565  REAL (KIND=8) pomega(kdlon, 2, kflev)
1566  REAL (KIND=8) prayl(kdlon)
1567  REAL (KIND=8) psec(kdlon)
1568  REAL (KIND=8) ptau(kdlon, 2, kflev)
1569
1570  REAL (KIND=8) pray1(kdlon, kflev+1)
1571  REAL (KIND=8) pray2(kdlon, kflev+1)
1572  REAL (KIND=8) prefz(kdlon, 2, kflev+1)
1573  REAL (KIND=8) prj(kdlon, 6, kflev+1)
1574  REAL (KIND=8) prk(kdlon, 6, kflev+1)
1575  REAL (KIND=8) prmue(kdlon, kflev+1)
1576  REAL (KIND=8) pcgaz(kdlon, kflev)
1577  REAL (KIND=8) ppizaz(kdlon, kflev)
1578  REAL (KIND=8) ptauaz(kdlon, kflev)
1579  REAL (KIND=8) ptra1(kdlon, kflev+1)
1580  REAL (KIND=8) ptra2(kdlon, kflev+1)
1581
1582  ! * LOCAL VARIABLES:
1583
1584  REAL (KIND=8) zc1i(kdlon, kflev+1)
1585  REAL (KIND=8) zcleq(kdlon, kflev)
1586  REAL (KIND=8) zclear(kdlon)
1587  REAL (KIND=8) zcloud(kdlon)
1588  REAL (KIND=8) zgg(kdlon)
1589  REAL (KIND=8) zref(kdlon)
1590  REAL (KIND=8) zre1(kdlon)
1591  REAL (KIND=8) zre2(kdlon)
1592  REAL (KIND=8) zrmuz(kdlon)
1593  REAL (KIND=8) zrneb(kdlon)
1594  REAL (KIND=8) zr21(kdlon)
1595  REAL (KIND=8) zr22(kdlon)
1596  REAL (KIND=8) zr23(kdlon)
1597  REAL (KIND=8) zss1(kdlon)
1598  REAL (KIND=8) zto1(kdlon)
1599  REAL (KIND=8) ztr(kdlon, 2, kflev+1)
1600  REAL (KIND=8) ztr1(kdlon)
1601  REAL (KIND=8) ztr2(kdlon)
1602  REAL (KIND=8) zw(kdlon)
1603
1604  INTEGER jk, jl, ja, jkl, jklp1, jkm1, jaj
1605  REAL (KIND=8) zfacoa, zfacoc, zcorae, zcorcd
1606  REAL (KIND=8) zmue, zgap, zww, zto, zden, zden1
1607  REAL (KIND=8) zmu1, zre11, zbmu0, zbmu1
1608
1609  ! ------------------------------------------------------------------
1610
1611  ! *         1.    INITIALIZATION
1612  ! --------------
1613
1614
1615  DO jk = 1, kflev + 1
1616    DO ja = 1, 6
1617      DO jl = 1, kdlon
1618        prj(jl, ja, jk) = 0.
1619        prk(jl, ja, jk) = 0.
1620      END DO
1621    END DO
1622  END DO
1623
1624  ! ------------------------------------------------------------------
1625
1626  ! *         2.    TOTAL EFFECTIVE CLOUDINESS ABOVE A GIVEN LEVEL
1627  ! ----------------------------------------------
1628
1629
1630  DO jl = 1, kdlon
1631    zr23(jl) = 0.
1632    zc1i(jl, kflev+1) = 0.
1633    zclear(jl) = 1.
1634    zcloud(jl) = 0.
1635  END DO
1636
1637  jk = 1
1638  jkl = kflev + 1 - jk
1639  jklp1 = jkl + 1
1640  DO jl = 1, kdlon
1641    zfacoa = 1. - ppizaz(jl, jkl)*pcgaz(jl, jkl)*pcgaz(jl, jkl)
1642    zfacoc = 1. - pomega(jl, knu, jkl)*pcg(jl, knu, jkl)*pcg(jl, knu, jkl)
1643    zcorae = zfacoa*ptauaz(jl, jkl)*psec(jl)
1644    zcorcd = zfacoc*ptau(jl, knu, jkl)*psec(jl)
1645    zr21(jl) = exp(-zcorae)
1646    zr22(jl) = exp(-zcorcd)
1647    zss1(jl) = pcld(jl, jkl)*(1.0-zr21(jl)*zr22(jl)) + &
1648      (1.0-pcld(jl,jkl))*(1.0-zr21(jl))
1649    zcleq(jl, jkl) = zss1(jl)
1650
1651    IF (novlp==1) THEN
1652      ! * maximum-random
1653      zclear(jl) = zclear(jl)*(1.0-max(zss1(jl),zcloud(jl)))/ &
1654        (1.0-min(zcloud(jl),1.-zepsec))
1655      zc1i(jl, jkl) = 1.0 - zclear(jl)
1656      zcloud(jl) = zss1(jl)
1657    ELSE IF (novlp==2) THEN
1658      ! * maximum
1659      zcloud(jl) = max(zss1(jl), zcloud(jl))
1660      zc1i(jl, jkl) = zcloud(jl)
1661    ELSE IF (novlp==3) THEN
1662      ! * random
1663      zclear(jl) = zclear(jl)*(1.0-zss1(jl))
1664      zcloud(jl) = 1.0 - zclear(jl)
1665      zc1i(jl, jkl) = zcloud(jl)
1666    END IF
1667  END DO
1668
1669  DO jk = 2, kflev
1670    jkl = kflev + 1 - jk
1671    jklp1 = jkl + 1
1672    DO jl = 1, kdlon
1673      zfacoa = 1. - ppizaz(jl, jkl)*pcgaz(jl, jkl)*pcgaz(jl, jkl)
1674      zfacoc = 1. - pomega(jl, knu, jkl)*pcg(jl, knu, jkl)*pcg(jl, knu, jkl)
1675      zcorae = zfacoa*ptauaz(jl, jkl)*psec(jl)
1676      zcorcd = zfacoc*ptau(jl, knu, jkl)*psec(jl)
1677      zr21(jl) = exp(-zcorae)
1678      zr22(jl) = exp(-zcorcd)
1679      zss1(jl) = pcld(jl, jkl)*(1.0-zr21(jl)*zr22(jl)) + &
1680        (1.0-pcld(jl,jkl))*(1.0-zr21(jl))
1681      zcleq(jl, jkl) = zss1(jl)
1682
1683      IF (novlp==1) THEN
1684        ! * maximum-random
1685        zclear(jl) = zclear(jl)*(1.0-max(zss1(jl),zcloud(jl)))/ &
1686          (1.0-min(zcloud(jl),1.-zepsec))
1687        zc1i(jl, jkl) = 1.0 - zclear(jl)
1688        zcloud(jl) = zss1(jl)
1689      ELSE IF (novlp==2) THEN
1690        ! * maximum
1691        zcloud(jl) = max(zss1(jl), zcloud(jl))
1692        zc1i(jl, jkl) = zcloud(jl)
1693      ELSE IF (novlp==3) THEN
1694        ! * random
1695        zclear(jl) = zclear(jl)*(1.0-zss1(jl))
1696        zcloud(jl) = 1.0 - zclear(jl)
1697        zc1i(jl, jkl) = zcloud(jl)
1698      END IF
1699    END DO
1700  END DO
1701
1702  ! ------------------------------------------------------------------
1703
1704  ! *         3.    REFLECTIVITY/TRANSMISSIVITY FOR PURE SCATTERING
1705  ! -----------------------------------------------
1706
1707
1708  DO jl = 1, kdlon
1709    pray1(jl, kflev+1) = 0.
1710    pray2(jl, kflev+1) = 0.
1711    prefz(jl, 2, 1) = palbd(jl, knu)
1712    prefz(jl, 1, 1) = palbd(jl, knu)
1713    ptra1(jl, kflev+1) = 1.
1714    ptra2(jl, kflev+1) = 1.
1715  END DO
1716
1717  DO jk = 2, kflev + 1
1718    jkm1 = jk - 1
1719    DO jl = 1, kdlon
1720      zrneb(jl) = pcld(jl, jkm1)
1721      zre1(jl) = 0.
1722      ztr1(jl) = 0.
1723      zre2(jl) = 0.
1724      ztr2(jl) = 0.
1725
1726      ! ------------------------------------------------------------------
1727
1728      ! *         3.1  EQUIVALENT ZENITH ANGLE
1729      ! -----------------------
1730
1731
1732      zmue = (1.-zc1i(jl,jk))*psec(jl) + zc1i(jl, jk)*1.66
1733      prmue(jl, jk) = 1./zmue
1734
1735      ! ------------------------------------------------------------------
1736
1737      ! *         3.2  REFLECT./TRANSMISSIVITY DUE TO RAYLEIGH AND AEROSOLS
1738      ! ----------------------------------------------------
1739
1740
1741      zgap = pcgaz(jl, jkm1)
1742      zbmu0 = 0.5 - 0.75*zgap/zmue
1743      zww = ppizaz(jl, jkm1)
1744      zto = ptauaz(jl, jkm1)
1745      zden = 1. + (1.-zww+zbmu0*zww)*zto*zmue + (1-zww)*(1.-zww+2.*zbmu0*zww) &
1746        *zto*zto*zmue*zmue
1747      pray1(jl, jkm1) = zbmu0*zww*zto*zmue/zden
1748      ptra1(jl, jkm1) = 1./zden
1749      ! PRINT *,' LOOP 342 ** 3 ** JL=',JL,PRAY1(JL,JKM1),PTRA1(JL,JKM1)
1750
1751      zmu1 = 0.5
1752      zbmu1 = 0.5 - 0.75*zgap*zmu1
1753      zden1 = 1. + (1.-zww+zbmu1*zww)*zto/zmu1 + (1-zww)*(1.-zww+2.*zbmu1*zww &
1754        )*zto*zto/zmu1/zmu1
1755      pray2(jl, jkm1) = zbmu1*zww*zto/zmu1/zden1
1756      ptra2(jl, jkm1) = 1./zden1
1757
1758      ! ------------------------------------------------------------------
1759
1760      ! *         3.3  EFFECT OF CLOUD LAYER
1761      ! ---------------------
1762
1763
1764      zw(jl) = pomega(jl, knu, jkm1)
1765      zto1(jl) = ptau(jl, knu, jkm1)/zw(jl) + ptauaz(jl, jkm1)/ppizaz(jl, &
1766        jkm1)
1767      zr21(jl) = ptau(jl, knu, jkm1) + ptauaz(jl, jkm1)
1768      zr22(jl) = ptau(jl, knu, jkm1)/zr21(jl)
1769      zgg(jl) = zr22(jl)*pcg(jl, knu, jkm1) + (1.-zr22(jl))*pcgaz(jl, jkm1)
1770      ! Modif PhD - JJM 19/03/96 pour erreurs arrondis
1771      ! machine
1772      ! PHD PROTECTION ZW(JL) = ZR21(JL) / ZTO1(JL)
1773      IF (zw(jl)==1. .AND. ppizaz(jl,jkm1)==1.) THEN
1774        zw(jl) = 1.
1775      ELSE
1776        zw(jl) = zr21(jl)/zto1(jl)
1777      END IF
1778      zref(jl) = prefz(jl, 1, jkm1)
1779      zrmuz(jl) = prmue(jl, jk)
1780    END DO
1781
1782    CALL swde_lmdar4(zgg, zref, zrmuz, zto1, zw, zre1, zre2, ztr1, ztr2)
1783
1784    DO jl = 1, kdlon
1785
1786      prefz(jl, 1, jk) = (1.-zrneb(jl))*(pray1(jl,jkm1)+prefz(jl,1,jkm1)* &
1787        ptra1(jl,jkm1)*ptra2(jl,jkm1)/(1.-pray2(jl,jkm1)*prefz(jl,1, &
1788        jkm1))) + zrneb(jl)*zre2(jl)
1789
1790      ztr(jl, 1, jkm1) = zrneb(jl)*ztr2(jl) + (ptra1(jl,jkm1)/(1.-pray2(jl, &
1791        jkm1)*prefz(jl,1,jkm1)))*(1.-zrneb(jl))
1792
1793      prefz(jl, 2, jk) = (1.-zrneb(jl))*(pray1(jl,jkm1)+prefz(jl,2,jkm1)* &
1794        ptra1(jl,jkm1)*ptra2(jl,jkm1)) + zrneb(jl)*zre1(jl)
1795
1796      ztr(jl, 2, jkm1) = zrneb(jl)*ztr1(jl) + ptra1(jl, jkm1)*(1.-zrneb(jl))
1797
1798    END DO
1799  END DO
1800  DO jl = 1, kdlon
1801    zmue = (1.-zc1i(jl,1))*psec(jl) + zc1i(jl, 1)*1.66
1802    prmue(jl, 1) = 1./zmue
1803  END DO
1804
1805  ! ------------------------------------------------------------------
1806
1807  ! *         3.5    REFLECT./TRANSMISSIVITY BETWEEN SURFACE AND LEVEL
1808  ! -------------------------------------------------
1809
1810
1811  IF (knu==1) THEN
1812    jaj = 2
1813    DO jl = 1, kdlon
1814      prj(jl, jaj, kflev+1) = 1.
1815      prk(jl, jaj, kflev+1) = prefz(jl, 1, kflev+1)
1816    END DO
1817
1818    DO jk = 1, kflev
1819      jkl = kflev + 1 - jk
1820      jklp1 = jkl + 1
1821      DO jl = 1, kdlon
1822        zre11 = prj(jl, jaj, jklp1)*ztr(jl, 1, jkl)
1823        prj(jl, jaj, jkl) = zre11
1824        prk(jl, jaj, jkl) = zre11*prefz(jl, 1, jkl)
1825      END DO
1826    END DO
1827
1828  ELSE
1829
1830    DO jaj = 1, 2
1831      DO jl = 1, kdlon
1832        prj(jl, jaj, kflev+1) = 1.
1833        prk(jl, jaj, kflev+1) = prefz(jl, jaj, kflev+1)
1834      END DO
1835
1836      DO jk = 1, kflev
1837        jkl = kflev + 1 - jk
1838        jklp1 = jkl + 1
1839        DO jl = 1, kdlon
1840          zre11 = prj(jl, jaj, jklp1)*ztr(jl, jaj, jkl)
1841          prj(jl, jaj, jkl) = zre11
1842          prk(jl, jaj, jkl) = zre11*prefz(jl, jaj, jkl)
1843        END DO
1844      END DO
1845    END DO
1846
1847  END IF
1848
1849  ! ------------------------------------------------------------------
1850
1851  RETURN
1852END SUBROUTINE swr_lmdar4
1853SUBROUTINE swde_lmdar4(pgg, pref, prmuz, pto1, pw, pre1, pre2, ptr1, ptr2)
1854  USE dimphy
1855  IMPLICIT NONE
1856
1857  ! ------------------------------------------------------------------
1858  ! PURPOSE.
1859  ! --------
1860  ! COMPUTES THE REFLECTIVITY AND TRANSMISSIVITY OF A CLOUDY
1861  ! LAYER USING THE DELTA-EDDINGTON'S APPROXIMATION.
1862
1863  ! METHOD.
1864  ! -------
1865
1866  ! STANDARD DELTA-EDDINGTON LAYER CALCULATIONS.
1867
1868  ! REFERENCE.
1869  ! ----------
1870
1871  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
1872  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
1873
1874  ! AUTHOR.
1875  ! -------
1876  ! JEAN-JACQUES MORCRETTE  *ECMWF*
1877
1878  ! MODIFICATIONS.
1879  ! --------------
1880  ! ORIGINAL : 88-12-15
1881  ! ------------------------------------------------------------------
1882  ! * ARGUMENTS:
1883
1884  REAL (KIND=8) pgg(kdlon) ! ASSYMETRY FACTOR
1885  REAL (KIND=8) pref(kdlon) ! REFLECTIVITY OF THE UNDERLYING LAYER
1886  REAL (KIND=8) prmuz(kdlon) ! COSINE OF SOLAR ZENITH ANGLE
1887  REAL (KIND=8) pto1(kdlon) ! OPTICAL THICKNESS
1888  REAL (KIND=8) pw(kdlon) ! SINGLE SCATTERING ALBEDO
1889  REAL (KIND=8) pre1(kdlon) ! LAYER REFLECTIVITY (NO UNDERLYING-LAYER REFLECTION)
1890  REAL (KIND=8) pre2(kdlon) ! LAYER REFLECTIVITY
1891  REAL (KIND=8) ptr1(kdlon) ! LAYER TRANSMISSIVITY (NO UNDERLYING-LAYER REFLECTION)
1892  REAL (KIND=8) ptr2(kdlon) ! LAYER TRANSMISSIVITY
1893
1894  ! * LOCAL VARIABLES:
1895
1896  INTEGER jl
1897  REAL (KIND=8) zff, zgp, ztop, zwcp, zdt, zx1, zwm
1898  REAL (KIND=8) zrm2, zrk, zx2, zrp, zalpha, zbeta, zarg
1899  REAL (KIND=8) zexmu0, zarg2, zexkp, zexkm, zxp2p, zxm2p, zap2b, zam2b
1900  REAL (KIND=8) za11, za12, za13, za21, za22, za23
1901  REAL (KIND=8) zdena, zc1a, zc2a, zri0a, zri1a
1902  REAL (KIND=8) zri0b, zri1b
1903  REAL (KIND=8) zb21, zb22, zb23, zdenb, zc1b, zc2b
1904  REAL (KIND=8) zri0c, zri1c, zri0d, zri1d
1905
1906  ! ------------------------------------------------------------------
1907
1908  ! *         1.      DELTA-EDDINGTON CALCULATIONS
1909
1910
1911  DO jl = 1, kdlon
1912    ! *         1.1     SET UP THE DELTA-MODIFIED PARAMETERS
1913
1914
1915    zff = pgg(jl)*pgg(jl)
1916    zgp = pgg(jl)/(1.+pgg(jl))
1917    ztop = (1.-pw(jl)*zff)*pto1(jl)
1918    zwcp = (1-zff)*pw(jl)/(1.-pw(jl)*zff)
1919    zdt = 2./3.
1920    zx1 = 1. - zwcp*zgp
1921    zwm = 1. - zwcp
1922    zrm2 = prmuz(jl)*prmuz(jl)
1923    zrk = sqrt(3.*zwm*zx1)
1924    zx2 = 4.*(1.-zrk*zrk*zrm2)
1925    zrp = zrk/zx1
1926    zalpha = 3.*zwcp*zrm2*(1.+zgp*zwm)/zx2
1927    zbeta = 3.*zwcp*prmuz(jl)*(1.+3.*zgp*zrm2*zwm)/zx2
1928    zarg = min(ztop/prmuz(jl), 200._8)
1929    zexmu0 = exp(-zarg)
1930    zarg2 = min(zrk*ztop, 200._8)
1931    zexkp = exp(zarg2)
1932    zexkm = 1./zexkp
1933    zxp2p = 1. + zdt*zrp
1934    zxm2p = 1. - zdt*zrp
1935    zap2b = zalpha + zdt*zbeta
1936    zam2b = zalpha - zdt*zbeta
1937
1938    ! *         1.2     WITHOUT REFLECTION FROM THE UNDERLYING LAYER
1939
1940
1941    za11 = zxp2p
1942    za12 = zxm2p
1943    za13 = zap2b
1944    za22 = zxp2p*zexkp
1945    za21 = zxm2p*zexkm
1946    za23 = zam2b*zexmu0
1947    zdena = za11*za22 - za21*za12
1948    zc1a = (za22*za13-za12*za23)/zdena
1949    zc2a = (za11*za23-za21*za13)/zdena
1950    zri0a = zc1a + zc2a - zalpha
1951    zri1a = zrp*(zc1a-zc2a) - zbeta
1952    pre1(jl) = (zri0a-zdt*zri1a)/prmuz(jl)
1953    zri0b = zc1a*zexkm + zc2a*zexkp - zalpha*zexmu0
1954    zri1b = zrp*(zc1a*zexkm-zc2a*zexkp) - zbeta*zexmu0
1955    ptr1(jl) = zexmu0 + (zri0b+zdt*zri1b)/prmuz(jl)
1956
1957    ! *         1.3     WITH REFLECTION FROM THE UNDERLYING LAYER
1958
1959
1960    zb21 = za21 - pref(jl)*zxp2p*zexkm
1961    zb22 = za22 - pref(jl)*zxm2p*zexkp
1962    zb23 = za23 - pref(jl)*zexmu0*(zap2b-prmuz(jl))
1963    zdenb = za11*zb22 - zb21*za12
1964    zc1b = (zb22*za13-za12*zb23)/zdenb
1965    zc2b = (za11*zb23-zb21*za13)/zdenb
1966    zri0c = zc1b + zc2b - zalpha
1967    zri1c = zrp*(zc1b-zc2b) - zbeta
1968    pre2(jl) = (zri0c-zdt*zri1c)/prmuz(jl)
1969    zri0d = zc1b*zexkm + zc2b*zexkp - zalpha*zexmu0
1970    zri1d = zrp*(zc1b*zexkm-zc2b*zexkp) - zbeta*zexmu0
1971    ptr2(jl) = zexmu0 + (zri0d+zdt*zri1d)/prmuz(jl)
1972
1973  END DO
1974  RETURN
1975END SUBROUTINE swde_lmdar4
1976SUBROUTINE swtt_lmdar4(knu, ka, pu, ptr)
1977  USE dimphy
1978  USE radiation_ar4_param, ONLY: apad, bpad, d
1979  IMPLICIT NONE
1980
1981  ! -----------------------------------------------------------------------
1982  ! PURPOSE.
1983  ! --------
1984  ! THIS ROUTINE COMPUTES THE TRANSMISSION FUNCTIONS FOR ALL THE
1985  ! ABSORBERS (H2O, UNIFORMLY MIXED GASES, AND O3) IN THE TWO SPECTRAL
1986  ! INTERVALS.
1987
1988  ! METHOD.
1989  ! -------
1990
1991  ! TRANSMISSION FUNCTION ARE COMPUTED USING PADE APPROXIMANTS
1992  ! AND HORNER'S ALGORITHM.
1993
1994  ! REFERENCE.
1995  ! ----------
1996
1997  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
1998  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
1999
2000  ! AUTHOR.
2001  ! -------
2002  ! JEAN-JACQUES MORCRETTE  *ECMWF*
2003
2004  ! MODIFICATIONS.
2005  ! --------------
2006  ! ORIGINAL : 88-12-15
2007  ! -----------------------------------------------------------------------
2008
2009  ! * ARGUMENTS
2010
2011  INTEGER knu ! INDEX OF THE SPECTRAL INTERVAL
2012  INTEGER ka ! INDEX OF THE ABSORBER
2013  REAL (KIND=8) pu(kdlon) ! ABSORBER AMOUNT
2014
2015  REAL (KIND=8) ptr(kdlon) ! TRANSMISSION FUNCTION
2016
2017  ! * LOCAL VARIABLES:
2018
2019  REAL (KIND=8) zr1(kdlon), zr2(kdlon)
2020  INTEGER jl, i, j
2021
2022  ! -----------------------------------------------------------------------
2023
2024  ! *         1.      HORNER'S ALGORITHM TO COMPUTE TRANSMISSION FUNCTION
2025
2026
2027  DO jl = 1, kdlon
2028    zr1(jl) = apad(knu, ka, 1) + pu(jl)*(apad(knu,ka,2)+pu(jl)*(apad(knu,ka, &
2029      3)+pu(jl)*(apad(knu,ka,4)+pu(jl)*(apad(knu,ka,5)+pu(jl)*(apad(knu,ka,6) &
2030      +pu(jl)*(apad(knu,ka,7)))))))
2031
2032    zr2(jl) = bpad(knu, ka, 1) + pu(jl)*(bpad(knu,ka,2)+pu(jl)*(bpad(knu,ka, &
2033      3)+pu(jl)*(bpad(knu,ka,4)+pu(jl)*(bpad(knu,ka,5)+pu(jl)*(bpad(knu,ka,6) &
2034      +pu(jl)*(bpad(knu,ka,7)))))))
2035
2036    ! *         2.      ADD THE BACKGROUND TRANSMISSION
2037
2038
2039
2040    ptr(jl) = (zr1(jl)/zr2(jl))*(1.-d(knu,ka)) + d(knu, ka)
2041  END DO
2042
2043  RETURN
2044END SUBROUTINE swtt_lmdar4
2045SUBROUTINE swtt1_lmdar4(knu, kabs, kind, pu, ptr)
2046  USE dimphy
2047  USE radiation_ar4_param, ONLY: apad, bpad, d
2048  IMPLICIT NONE
2049
2050  ! -----------------------------------------------------------------------
2051  ! PURPOSE.
2052  ! --------
2053  ! THIS ROUTINE COMPUTES THE TRANSMISSION FUNCTIONS FOR ALL THE
2054  ! ABSORBERS (H2O, UNIFORMLY MIXED GASES, AND O3) IN THE TWO SPECTRAL
2055  ! INTERVALS.
2056
2057  ! METHOD.
2058  ! -------
2059
2060  ! TRANSMISSION FUNCTION ARE COMPUTED USING PADE APPROXIMANTS
2061  ! AND HORNER'S ALGORITHM.
2062
2063  ! REFERENCE.
2064  ! ----------
2065
2066  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
2067  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
2068
2069  ! AUTHOR.
2070  ! -------
2071  ! JEAN-JACQUES MORCRETTE  *ECMWF*
2072
2073  ! MODIFICATIONS.
2074  ! --------------
2075  ! ORIGINAL : 95-01-20
2076  ! -----------------------------------------------------------------------
2077  ! * ARGUMENTS:
2078
2079  INTEGER knu ! INDEX OF THE SPECTRAL INTERVAL
2080  INTEGER kabs ! NUMBER OF ABSORBERS
2081  INTEGER kind(kabs) ! INDICES OF THE ABSORBERS
2082  REAL (KIND=8) pu(kdlon, kabs) ! ABSORBER AMOUNT
2083
2084  REAL (KIND=8) ptr(kdlon, kabs) ! TRANSMISSION FUNCTION
2085
2086  ! * LOCAL VARIABLES:
2087
2088  REAL (KIND=8) zr1(kdlon)
2089  REAL (KIND=8) zr2(kdlon)
2090  REAL (KIND=8) zu(kdlon)
2091  INTEGER jl, ja, i, j, ia
2092
2093  ! -----------------------------------------------------------------------
2094
2095  ! *         1.      HORNER'S ALGORITHM TO COMPUTE TRANSMISSION FUNCTION
2096
2097
2098  DO ja = 1, kabs
2099    ia = kind(ja)
2100    DO jl = 1, kdlon
2101      zu(jl) = pu(jl, ja)
2102      zr1(jl) = apad(knu, ia, 1) + zu(jl)*(apad(knu,ia,2)+zu(jl)*(apad(knu, &
2103        ia,3)+zu(jl)*(apad(knu,ia,4)+zu(jl)*(apad(knu,ia,5)+zu(jl)*(apad(knu, &
2104        ia,6)+zu(jl)*(apad(knu,ia,7)))))))
2105
2106      zr2(jl) = bpad(knu, ia, 1) + zu(jl)*(bpad(knu,ia,2)+zu(jl)*(bpad(knu, &
2107        ia,3)+zu(jl)*(bpad(knu,ia,4)+zu(jl)*(bpad(knu,ia,5)+zu(jl)*(bpad(knu, &
2108        ia,6)+zu(jl)*(bpad(knu,ia,7)))))))
2109
2110      ! *         2.      ADD THE BACKGROUND TRANSMISSION
2111
2112
2113      ptr(jl, ja) = (zr1(jl)/zr2(jl))*(1.-d(knu,ia)) + d(knu, ia)
2114    END DO
2115  END DO
2116
2117  RETURN
2118END SUBROUTINE swtt1_lmdar4
2119! IM ctes ds clesphys.h   SUBROUTINE LW(RCO2,RCH4,RN2O,RCFC11,RCFC12,
2120SUBROUTINE lw_lmdar4(ppmb, pdp, ppsol, pdt0, pemis, ptl, ptave, pwv, pozon, &
2121    paer, pcldld, pcldlu, pview, pcolr, pcolr0, ptoplw, psollw, ptoplw0, &
2122    psollw0, psollwdown, &         ! IM  .
2123                                   ! psollwdown,psollwdownclr,
2124  ! IM  .              ptoplwdown,ptoplwdownclr)
2125    plwup, plwdn, plwup0, plwdn0)
2126USE raddimlw_mod_h
2127    USE dimphy
2128  USE print_control_mod, ONLY: lunout
2129  USE yomcst_mod_h
2130IMPLICIT NONE
2131
2132
2133  ! -----------------------------------------------------------------------
2134  ! METHOD.
2135  ! -------
2136
2137  ! 1. COMPUTES THE PRESSURE AND TEMPERATURE WEIGHTED AMOUNTS OF
2138  ! ABSORBERS.
2139  ! 2. COMPUTES THE PLANCK FUNCTIONS ON THE INTERFACES AND THE
2140  ! GRADIENT OF PLANCK FUNCTIONS IN THE LAYERS.
2141  ! 3. PERFORMS THE VERTICAL INTEGRATION DISTINGUISHING THE CON-
2142  ! TRIBUTIONS OF THE ADJACENT AND DISTANT LAYERS AND THOSE FROM THE
2143  ! BOUNDARIES.
2144  ! 4. COMPUTES THE CLEAR-SKY DOWNWARD AND UPWARD EMISSIVITIES.
2145  ! 5. INTRODUCES THE EFFECTS OF THE CLOUDS ON THE FLUXES.
2146
2147
2148  ! REFERENCE.
2149  ! ----------
2150
2151  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
2152  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
2153
2154  ! AUTHOR.
2155  ! -------
2156  ! JEAN-JACQUES MORCRETTE  *ECMWF*
2157
2158  ! MODIFICATIONS.
2159  ! --------------
2160  ! ORIGINAL : 89-07-14
2161  ! -----------------------------------------------------------------------
2162  ! IM ctes ds clesphys.h
2163  ! REAL(KIND=8) RCO2   ! CO2 CONCENTRATION (IPCC:353.E-06* 44.011/28.97)
2164  ! REAL(KIND=8) RCH4   ! CH4 CONCENTRATION (IPCC: 1.72E-06* 16.043/28.97)
2165  ! REAL(KIND=8) RN2O   ! N2O CONCENTRATION (IPCC: 310.E-09* 44.013/28.97)
2166  ! REAL(KIND=8) RCFC11 ! CFC11 CONCENTRATION (IPCC: 280.E-12*
2167  ! 137.3686/28.97)
2168  ! REAL(KIND=8) RCFC12 ! CFC12 CONCENTRATION (IPCC: 484.E-12*
2169  ! 120.9140/28.97)
2170  REAL (KIND=8) pcldld(kdlon, kflev) ! DOWNWARD EFFECTIVE CLOUD COVER
2171  REAL (KIND=8) pcldlu(kdlon, kflev) ! UPWARD EFFECTIVE CLOUD COVER
2172  REAL (KIND=8) pdp(kdlon, kflev) ! LAYER PRESSURE THICKNESS (Pa)
2173  REAL (KIND=8) pdt0(kdlon) ! SURFACE TEMPERATURE DISCONTINUITY (K)
2174  REAL (KIND=8) pemis(kdlon) ! SURFACE EMISSIVITY
2175  REAL (KIND=8) ppmb(kdlon, kflev+1) ! HALF LEVEL PRESSURE (mb)
2176  REAL (KIND=8) ppsol(kdlon) ! SURFACE PRESSURE (Pa)
2177  REAL (KIND=8) pozon(kdlon, kflev) ! O3 mass fraction
2178  REAL (KIND=8) ptl(kdlon, kflev+1) ! HALF LEVEL TEMPERATURE (K)
2179  REAL (KIND=8) paer(kdlon, kflev, 5) ! OPTICAL THICKNESS OF THE AEROSOLS
2180  REAL (KIND=8) ptave(kdlon, kflev) ! LAYER TEMPERATURE (K)
2181  REAL (KIND=8) pview(kdlon) ! COSECANT OF VIEWING ANGLE
2182  REAL (KIND=8) pwv(kdlon, kflev) ! SPECIFIC HUMIDITY (kg/kg)
2183
2184  REAL (KIND=8) pcolr(kdlon, kflev) ! LONG-WAVE TENDENCY (K/day)
2185  REAL (KIND=8) pcolr0(kdlon, kflev) ! LONG-WAVE TENDENCY (K/day) clear-sky
2186  REAL (KIND=8) ptoplw(kdlon) ! LONGWAVE FLUX AT T.O.A.
2187  REAL (KIND=8) psollw(kdlon) ! LONGWAVE FLUX AT SURFACE
2188  REAL (KIND=8) ptoplw0(kdlon) ! LONGWAVE FLUX AT T.O.A. (CLEAR-SKY)
2189  REAL (KIND=8) psollw0(kdlon) ! LONGWAVE FLUX AT SURFACE (CLEAR-SKY)
2190  ! Rajout LF
2191  REAL (KIND=8) psollwdown(kdlon) ! LONGWAVE downwards flux at surface
2192  ! Rajout IM
2193  ! IM   real(kind=8) psollwdownclr(kdlon) ! LONGWAVE CS downwards flux at
2194  ! surface
2195  ! IM   real(kind=8) ptoplwdown(kdlon)    ! LONGWAVE downwards flux at
2196  ! T.O.A.
2197  ! IM   real(kind=8) ptoplwdownclr(kdlon) ! LONGWAVE CS downwards flux at
2198  ! T.O.A.
2199  ! IM
2200  REAL (KIND=8) plwup(kdlon, kflev+1) ! LW up total sky
2201  REAL (KIND=8) plwup0(kdlon, kflev+1) ! LW up clear sky
2202  REAL (KIND=8) plwdn(kdlon, kflev+1) ! LW down total sky
2203  REAL (KIND=8) plwdn0(kdlon, kflev+1) ! LW down clear sky
2204  ! -------------------------------------------------------------------------
2205  REAL (KIND=8) zabcu(kdlon, nua, 3*kflev+1)
2206
2207  REAL (KIND=8) zoz(kdlon, kflev)
2208  ! equivalent pressure of ozone in a layer, in Pa
2209
2210  ! ym      REAL(KIND=8) ZFLUX(KDLON,2,KFLEV+1) ! RADIATIVE FLUXES (1:up;
2211  ! 2:down)
2212  ! ym      REAL(KIND=8) ZFLUC(KDLON,2,KFLEV+1) ! CLEAR-SKY RADIATIVE FLUXES
2213  ! ym      REAL(KIND=8) ZBINT(KDLON,KFLEV+1)            ! Intermediate
2214  ! variable
2215  ! ym      REAL(KIND=8) ZBSUI(KDLON)                    ! Intermediate
2216  ! variable
2217  ! ym      REAL(KIND=8) ZCTS(KDLON,KFLEV)               ! Intermediate
2218  ! variable
2219  ! ym      REAL(KIND=8) ZCNTRB(KDLON,KFLEV+1,KFLEV+1)   ! Intermediate
2220  ! variable
2221  ! ym      SAVE ZFLUX, ZFLUC, ZBINT, ZBSUI, ZCTS, ZCNTRB
2222  REAL (KIND=8), ALLOCATABLE, SAVE :: zflux(:, :, :) ! RADIATIVE FLUXES (1:up; 2:down)
2223  REAL (KIND=8), ALLOCATABLE, SAVE :: zfluc(:, :, :) ! CLEAR-SKY RADIATIVE FLUXES
2224  REAL (KIND=8), ALLOCATABLE, SAVE :: zbint(:, :) ! Intermediate variable
2225  REAL (KIND=8), ALLOCATABLE, SAVE :: zbsui(:) ! Intermediate variable
2226  REAL (KIND=8), ALLOCATABLE, SAVE :: zcts(:, :) ! Intermediate variable
2227  REAL (KIND=8), ALLOCATABLE, SAVE :: zcntrb(:, :, :) ! Intermediate variable
2228  !$OMP THREADPRIVATE(ZFLUX, ZFLUC, ZBINT, ZBSUI, ZCTS, ZCNTRB)
2229
2230  INTEGER ilim, i, k, kpl1
2231
2232  INTEGER lw0pas ! Every lw0pas steps, clear-sky is done
2233  PARAMETER (lw0pas=1)
2234  INTEGER lwpas ! Every lwpas steps, cloudy-sky is done
2235  PARAMETER (lwpas=1)
2236
2237  INTEGER itaplw0, itaplw
2238  LOGICAL appel1er
2239  SAVE appel1er, itaplw0, itaplw
2240  !$OMP THREADPRIVATE(appel1er, itaplw0, itaplw)
2241  DATA appel1er/.TRUE./
2242  DATA itaplw0, itaplw/0, 0/
2243
2244  ! ------------------------------------------------------------------
2245  IF (appel1er) THEN
2246    WRITE (lunout, *) 'LW clear-sky calling frequency: ', lw0pas
2247    WRITE (lunout, *) 'LW cloudy-sky calling frequency: ', lwpas
2248    WRITE (lunout, *) '   In general, they should be 1'
2249    ! ym
2250    ALLOCATE (zflux(kdlon,2,kflev+1))
2251    ALLOCATE (zfluc(kdlon,2,kflev+1))
2252    ALLOCATE (zbint(kdlon,kflev+1))
2253    ALLOCATE (zbsui(kdlon))
2254    ALLOCATE (zcts(kdlon,kflev))
2255    ALLOCATE (zcntrb(kdlon,kflev+1,kflev+1))
2256    appel1er = .FALSE.
2257  END IF
2258
2259  IF (mod(itaplw0,lw0pas)==0) THEN
2260    ! Compute equivalent pressure of ozone from mass fraction:
2261    DO k = 1, kflev
2262      DO i = 1, kdlon
2263        zoz(i, k) = pozon(i, k)*pdp(i, k)
2264      END DO
2265    END DO
2266    ! IM ctes ds clesphys.h   CALL LWU(RCO2,RCH4, RN2O, RCFC11, RCFC12,
2267    CALL lwu_lmdar4(paer, pdp, ppmb, ppsol, zoz, ptave, pview, pwv, zabcu)
2268    CALL lwbv_lmdar4(ilim, pdp, pdt0, pemis, ppmb, ptl, ptave, zabcu, zfluc, &
2269      zbint, zbsui, zcts, zcntrb)
2270    itaplw0 = 0
2271  END IF
2272  itaplw0 = itaplw0 + 1
2273
2274  IF (mod(itaplw,lwpas)==0) THEN
2275    CALL lwc_lmdar4(ilim, pcldld, pcldlu, pemis, zfluc, zbint, zbsui, zcts, &
2276      zcntrb, zflux)
2277    itaplw = 0
2278  END IF
2279  itaplw = itaplw + 1
2280
2281  DO k = 1, kflev
2282    kpl1 = k + 1
2283    DO i = 1, kdlon
2284      pcolr(i, k) = zflux(i, 1, kpl1) + zflux(i, 2, kpl1) - zflux(i, 1, k) - &
2285        zflux(i, 2, k)
2286      pcolr(i, k) = pcolr(i, k)*rday*rg/rcpd/pdp(i, k)
2287      pcolr0(i, k) = zfluc(i, 1, kpl1) + zfluc(i, 2, kpl1) - zfluc(i, 1, k) - &
2288        zfluc(i, 2, k)
2289      pcolr0(i, k) = pcolr0(i, k)*rday*rg/rcpd/pdp(i, k)
2290    END DO
2291  END DO
2292  DO i = 1, kdlon
2293    psollw(i) = -zflux(i, 1, 1) - zflux(i, 2, 1)
2294    ptoplw(i) = zflux(i, 1, kflev+1) + zflux(i, 2, kflev+1)
2295
2296    psollw0(i) = -zfluc(i, 1, 1) - zfluc(i, 2, 1)
2297    ptoplw0(i) = zfluc(i, 1, kflev+1) + zfluc(i, 2, kflev+1)
2298    psollwdown(i) = -zflux(i, 2, 1)
2299
2300    ! IM attention aux signes !; LWtop >0, LWdn < 0
2301    DO k = 1, kflev + 1
2302      plwup(i, k) = zflux(i, 1, k)
2303      plwup0(i, k) = zfluc(i, 1, k)
2304      plwdn(i, k) = zflux(i, 2, k)
2305      plwdn0(i, k) = zfluc(i, 2, k)
2306    END DO
2307  END DO
2308  ! ------------------------------------------------------------------
2309  RETURN
2310END SUBROUTINE lw_lmdar4
2311! IM ctes ds clesphys.h   SUBROUTINE LWU(RCO2, RCH4, RN2O, RCFC11, RCFC12,
2312SUBROUTINE lwu_lmdar4(paer, pdp, ppmb, ppsol, poz, ptave, pview, pwv, pabcu)
2313USE radopt_mod_h
2314  USE radepsi_mod_h
2315  USE raddimlw_mod_h
2316    USE clesphys_mod_h
2317  USE dimphy
2318  USE radiation_ar4_param, ONLY: tref, rt1, raer, at, bt, oct
2319  USE infotrac_phy, ONLY: type_trac
2320  USE lmdz_reprobus_wrappers, ONLY: rch42d, rn2o2d, rcfc112d, rcfc122d, ok_rtime2d
2321  USE lmdz_cppkeys_wrapper, ONLY: CPPKEY_REPROBUS
2322
2323  USE yomcst_mod_h
2324IMPLICIT NONE
2325
2326
2327  ! PURPOSE.
2328  ! --------
2329  ! COMPUTES ABSORBER AMOUNTS INCLUDING PRESSURE AND
2330  ! TEMPERATURE EFFECTS
2331
2332  ! METHOD.
2333  ! -------
2334
2335  ! 1. COMPUTES THE PRESSURE AND TEMPERATURE WEIGHTED AMOUNTS OF
2336  ! ABSORBERS.
2337
2338
2339  ! REFERENCE.
2340  ! ----------
2341
2342  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
2343  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
2344
2345  ! AUTHOR.
2346  ! -------
2347  ! JEAN-JACQUES MORCRETTE  *ECMWF*
2348
2349  ! MODIFICATIONS.
2350  ! --------------
2351  ! ORIGINAL : 89-07-14
2352  ! Voigt lines (loop 404 modified) - JJM & PhD - 01/96
2353  ! -----------------------------------------------------------------------
2354  ! * ARGUMENTS:
2355  ! IM ctes ds clesphys.h
2356  ! REAL(KIND=8) RCO2
2357  ! REAL(KIND=8) RCH4, RN2O, RCFC11, RCFC12
2358  REAL (KIND=8) paer(kdlon, kflev, 5)
2359  REAL (KIND=8) pdp(kdlon, kflev)
2360  REAL (KIND=8) ppmb(kdlon, kflev+1)
2361  REAL (KIND=8) ppsol(kdlon)
2362  REAL (KIND=8) poz(kdlon, kflev)
2363  REAL (KIND=8) ptave(kdlon, kflev)
2364  REAL (KIND=8) pview(kdlon)
2365  REAL (KIND=8) pwv(kdlon, kflev)
2366
2367  REAL (KIND=8) pabcu(kdlon, nua, 3*kflev+1) ! EFFECTIVE ABSORBER AMOUNTS
2368
2369  ! -----------------------------------------------------------------------
2370  ! * LOCAL VARIABLES:
2371  REAL (KIND=8) zably(kdlon, nua, 3*kflev+1)
2372  REAL (KIND=8) zduc(kdlon, 3*kflev+1)
2373  REAL (KIND=8) zphio(kdlon)
2374  REAL (KIND=8) zpsc2(kdlon)
2375  REAL (KIND=8) zpsc3(kdlon)
2376  REAL (KIND=8) zpsh1(kdlon)
2377  REAL (KIND=8) zpsh2(kdlon)
2378  REAL (KIND=8) zpsh3(kdlon)
2379  REAL (KIND=8) zpsh4(kdlon)
2380  REAL (KIND=8) zpsh5(kdlon)
2381  REAL (KIND=8) zpsh6(kdlon)
2382  REAL (KIND=8) zpsio(kdlon)
2383  REAL (KIND=8) ztcon(kdlon)
2384  REAL (KIND=8) zphm6(kdlon)
2385  REAL (KIND=8) zpsm6(kdlon)
2386  REAL (KIND=8) zphn6(kdlon)
2387  REAL (KIND=8) zpsn6(kdlon)
2388  REAL (KIND=8) zssig(kdlon, 3*kflev+1)
2389  REAL (KIND=8) ztavi(kdlon)
2390  REAL (KIND=8) zuaer(kdlon, ninter)
2391  REAL (KIND=8) zxoz(kdlon)
2392  REAL (KIND=8) zxwv(kdlon)
2393
2394  INTEGER jl, jk, jkj, jkjr, jkjp, ig1
2395  INTEGER jki, jkip1, ja, jj
2396  INTEGER jkl, jkp1, jkk, jkjpn
2397  INTEGER jae1, jae2, jae3, jae, jjpn
2398  INTEGER ir, jc, jcp1
2399  REAL (KIND=8) zdpm, zupm, zupmh2o, zupmco2, zupmo3, zu6, zup
2400  REAL (KIND=8) zfppw, ztx, ztx2, zzably
2401  REAL (KIND=8) zcah1, zcbh1, zcah2, zcbh2, zcah3, zcbh3
2402  REAL (KIND=8) zcah4, zcbh4, zcah5, zcbh5, zcah6, zcbh6
2403  REAL (KIND=8) zcac8, zcbc8
2404  REAL (KIND=8) zalup, zdiff
2405
2406  REAL (KIND=8) pvgco2, pvgh2o, pvgo3
2407
2408  REAL (KIND=8) r10e ! DECIMAL/NATURAL LOG.FACTOR
2409  PARAMETER (r10e=0.4342945)
2410
2411  ! -----------------------------------------------------------------------
2412
2413  IF (levoigt) THEN
2414    pvgco2 = 60.
2415    pvgh2o = 30.
2416    pvgo3 = 400.
2417  ELSE
2418    pvgco2 = 0.
2419    pvgh2o = 0.
2420    pvgo3 = 0.
2421  END IF
2422
2423  ! *         2.    PRESSURE OVER GAUSS SUB-LEVELS
2424  ! ------------------------------
2425
2426
2427  DO jl = 1, kdlon
2428    zssig(jl, 1) = ppmb(jl, 1)*100.
2429  END DO
2430
2431  DO jk = 1, kflev
2432    jkj = (jk-1)*ng1p1 + 1
2433    jkjr = jkj
2434    jkjp = jkj + ng1p1
2435    DO jl = 1, kdlon
2436      zssig(jl, jkjp) = ppmb(jl, jk+1)*100.
2437    END DO
2438    DO ig1 = 1, ng1
2439      jkj = jkj + 1
2440      DO jl = 1, kdlon
2441        zssig(jl, jkj) = (zssig(jl,jkjr)+zssig(jl,jkjp))*0.5 + &
2442          rt1(ig1)*(zssig(jl,jkjp)-zssig(jl,jkjr))*0.5
2443      END DO
2444    END DO
2445  END DO
2446
2447  ! -----------------------------------------------------------------------
2448
2449
2450  ! *         4.    PRESSURE THICKNESS AND MEAN PRESSURE OF SUB-LAYERS
2451  ! --------------------------------------------------
2452
2453
2454  DO jki = 1, 3*kflev
2455    jkip1 = jki + 1
2456    DO jl = 1, kdlon
2457      zably(jl, 5, jki) = (zssig(jl,jki)+zssig(jl,jkip1))*0.5
2458      zably(jl, 3, jki) = (zssig(jl,jki)-zssig(jl,jkip1))/(10.*rg)
2459    END DO
2460  END DO
2461
2462  DO jk = 1, kflev
2463    jkp1 = jk + 1
2464    jkl = kflev + 1 - jk
2465    DO jl = 1, kdlon
2466      zxwv(jl) = max(pwv(jl,jk), zepscq)
2467      zxoz(jl) = max(poz(jl,jk)/pdp(jl,jk), zepsco)
2468    END DO
2469    jkj = (jk-1)*ng1p1 + 1
2470    jkjpn = jkj + ng1
2471    DO jkk = jkj, jkjpn
2472      DO jl = 1, kdlon
2473        zdpm = zably(jl, 3, jkk)
2474        zupm = zably(jl, 5, jkk)*zdpm/101325.
2475        zupmco2 = (zably(jl,5,jkk)+pvgco2)*zdpm/101325.
2476        zupmh2o = (zably(jl,5,jkk)+pvgh2o)*zdpm/101325.
2477        zupmo3 = (zably(jl,5,jkk)+pvgo3)*zdpm/101325.
2478        zduc(jl, jkk) = zdpm
2479        zably(jl, 12, jkk) = zxoz(jl)*zdpm
2480        zably(jl, 13, jkk) = zxoz(jl)*zupmo3
2481        zu6 = zxwv(jl)*zupm
2482        zfppw = 1.6078*zxwv(jl)/(1.+0.608*zxwv(jl))
2483        zably(jl, 6, jkk) = zxwv(jl)*zupmh2o
2484        zably(jl, 11, jkk) = zu6*zfppw
2485        zably(jl, 10, jkk) = zu6*(1.-zfppw)
2486        zably(jl, 9, jkk) = rco2*zupmco2
2487        zably(jl, 8, jkk) = rco2*zdpm
2488      END DO
2489    END DO
2490  END DO
2491
2492  ! -----------------------------------------------------------------------
2493
2494
2495  ! *         5.    CUMULATIVE ABSORBER AMOUNTS FROM TOP OF ATMOSPHERE
2496  ! --------------------------------------------------
2497
2498
2499  DO ja = 1, nua
2500    DO jl = 1, kdlon
2501      pabcu(jl, ja, 3*kflev+1) = 0.
2502    END DO
2503  END DO
2504
2505  DO jk = 1, kflev
2506    jj = (jk-1)*ng1p1 + 1
2507    jjpn = jj + ng1
2508    jkl = kflev + 1 - jk
2509
2510    ! *         5.1  CUMULATIVE AEROSOL AMOUNTS FROM TOP OF ATMOSPHERE
2511    ! --------------------------------------------------
2512
2513
2514    jae1 = 3*kflev + 1 - jj
2515    jae2 = 3*kflev + 1 - (jj+1)
2516    jae3 = 3*kflev + 1 - jjpn
2517    DO jae = 1, 5
2518      DO jl = 1, kdlon
2519        zuaer(jl, jae) = (raer(jae,1)*paer(jl,jkl,1)+raer(jae,2)*paer(jl,jkl, &
2520          2)+raer(jae,3)*paer(jl,jkl,3)+raer(jae,4)*paer(jl,jkl,4)+ &
2521          raer(jae,5)*paer(jl,jkl,5))/(zduc(jl,jae1)+zduc(jl,jae2)+zduc(jl, &
2522          jae3))
2523      END DO
2524    END DO
2525
2526    ! *         5.2  INTRODUCES TEMPERATURE EFFECTS ON ABSORBER AMOUNTS
2527    ! --------------------------------------------------
2528
2529
2530    DO jl = 1, kdlon
2531      ztavi(jl) = ptave(jl, jkl)
2532      ztcon(jl) = exp(6.08*(296./ztavi(jl)-1.))
2533      ztx = ztavi(jl) - tref
2534      ztx2 = ztx*ztx
2535      zzably = zably(jl, 6, jae1) + zably(jl, 6, jae2) + zably(jl, 6, jae3)
2536      zup = min(max(0.5*r10e*log(zzably)+5.,0._8), 6._8)
2537      zcah1 = at(1, 1) + zup*(at(1,2)+zup*(at(1,3)))
2538      zcbh1 = bt(1, 1) + zup*(bt(1,2)+zup*(bt(1,3)))
2539      zpsh1(jl) = exp(zcah1*ztx+zcbh1*ztx2)
2540      zcah2 = at(2, 1) + zup*(at(2,2)+zup*(at(2,3)))
2541      zcbh2 = bt(2, 1) + zup*(bt(2,2)+zup*(bt(2,3)))
2542      zpsh2(jl) = exp(zcah2*ztx+zcbh2*ztx2)
2543      zcah3 = at(3, 1) + zup*(at(3,2)+zup*(at(3,3)))
2544      zcbh3 = bt(3, 1) + zup*(bt(3,2)+zup*(bt(3,3)))
2545      zpsh3(jl) = exp(zcah3*ztx+zcbh3*ztx2)
2546      zcah4 = at(4, 1) + zup*(at(4,2)+zup*(at(4,3)))
2547      zcbh4 = bt(4, 1) + zup*(bt(4,2)+zup*(bt(4,3)))
2548      zpsh4(jl) = exp(zcah4*ztx+zcbh4*ztx2)
2549      zcah5 = at(5, 1) + zup*(at(5,2)+zup*(at(5,3)))
2550      zcbh5 = bt(5, 1) + zup*(bt(5,2)+zup*(bt(5,3)))
2551      zpsh5(jl) = exp(zcah5*ztx+zcbh5*ztx2)
2552      zcah6 = at(6, 1) + zup*(at(6,2)+zup*(at(6,3)))
2553      zcbh6 = bt(6, 1) + zup*(bt(6,2)+zup*(bt(6,3)))
2554      zpsh6(jl) = exp(zcah6*ztx+zcbh6*ztx2)
2555      zphm6(jl) = exp(-5.81E-4*ztx-1.13E-6*ztx2)
2556      zpsm6(jl) = exp(-5.57E-4*ztx-3.30E-6*ztx2)
2557      zphn6(jl) = exp(-3.46E-5*ztx+2.05E-7*ztx2)
2558      zpsn6(jl) = exp(3.70E-3*ztx-2.30E-6*ztx2)
2559    END DO
2560
2561    DO jl = 1, kdlon
2562      ztavi(jl) = ptave(jl, jkl)
2563      ztx = ztavi(jl) - tref
2564      ztx2 = ztx*ztx
2565      zzably = zably(jl, 9, jae1) + zably(jl, 9, jae2) + zably(jl, 9, jae3)
2566      zalup = r10e*log(zzably)
2567      zup = max(0._8, 5.0+0.5*zalup)
2568      zpsc2(jl) = (ztavi(jl)/tref)**zup
2569      zcac8 = at(8, 1) + zup*(at(8,2)+zup*(at(8,3)))
2570      zcbc8 = bt(8, 1) + zup*(bt(8,2)+zup*(bt(8,3)))
2571      zpsc3(jl) = exp(zcac8*ztx+zcbc8*ztx2)
2572      zphio(jl) = exp(oct(1)*ztx+oct(2)*ztx2)
2573      zpsio(jl) = exp(2.*(oct(3)*ztx+oct(4)*ztx2))
2574    END DO
2575
2576    DO jkk = jj, jjpn
2577      jc = 3*kflev + 1 - jkk
2578      jcp1 = jc + 1
2579      DO jl = 1, kdlon
2580        zdiff = pview(jl)
2581        pabcu(jl, 10, jc) = pabcu(jl, 10, jcp1) + zably(jl, 10, jc)*zdiff
2582        pabcu(jl, 11, jc) = pabcu(jl, 11, jcp1) + zably(jl, 11, jc)*ztcon(jl) &
2583          *zdiff
2584
2585        pabcu(jl, 12, jc) = pabcu(jl, 12, jcp1) + zably(jl, 12, jc)*zphio(jl) &
2586          *zdiff
2587        pabcu(jl, 13, jc) = pabcu(jl, 13, jcp1) + zably(jl, 13, jc)*zpsio(jl) &
2588          *zdiff
2589
2590        pabcu(jl, 7, jc) = pabcu(jl, 7, jcp1) + zably(jl, 9, jc)*zpsc2(jl)* &
2591          zdiff
2592        pabcu(jl, 8, jc) = pabcu(jl, 8, jcp1) + zably(jl, 9, jc)*zpsc3(jl)* &
2593          zdiff
2594        pabcu(jl, 9, jc) = pabcu(jl, 9, jcp1) + zably(jl, 9, jc)*zpsc3(jl)* &
2595          zdiff
2596
2597        pabcu(jl, 1, jc) = pabcu(jl, 1, jcp1) + zably(jl, 6, jc)*zpsh1(jl)* &
2598          zdiff
2599        pabcu(jl, 2, jc) = pabcu(jl, 2, jcp1) + zably(jl, 6, jc)*zpsh2(jl)* &
2600          zdiff
2601        pabcu(jl, 3, jc) = pabcu(jl, 3, jcp1) + zably(jl, 6, jc)*zpsh5(jl)* &
2602          zdiff
2603        pabcu(jl, 4, jc) = pabcu(jl, 4, jcp1) + zably(jl, 6, jc)*zpsh3(jl)* &
2604          zdiff
2605        pabcu(jl, 5, jc) = pabcu(jl, 5, jcp1) + zably(jl, 6, jc)*zpsh4(jl)* &
2606          zdiff
2607        pabcu(jl, 6, jc) = pabcu(jl, 6, jcp1) + zably(jl, 6, jc)*zpsh6(jl)* &
2608          zdiff
2609
2610        pabcu(jl, 14, jc) = pabcu(jl, 14, jcp1) + zuaer(jl, 1)*zduc(jl, jc)* &
2611          zdiff
2612        pabcu(jl, 15, jc) = pabcu(jl, 15, jcp1) + zuaer(jl, 2)*zduc(jl, jc)* &
2613          zdiff
2614        pabcu(jl, 16, jc) = pabcu(jl, 16, jcp1) + zuaer(jl, 3)*zduc(jl, jc)* &
2615          zdiff
2616        pabcu(jl, 17, jc) = pabcu(jl, 17, jcp1) + zuaer(jl, 4)*zduc(jl, jc)* &
2617          zdiff
2618        pabcu(jl, 18, jc) = pabcu(jl, 18, jcp1) + zuaer(jl, 5)*zduc(jl, jc)* &
2619          zdiff
2620
2621
2622
2623        IF (type_trac=='repr') THEN
2624IF (CPPKEY_REPROBUS) THEN
2625          IF (ok_rtime2d) THEN
2626            pabcu(jl, 19, jc) = pabcu(jl, 19, jcp1) + &
2627              zably(jl, 8, jc)*rch42d(jl, jc)/rco2*zphm6(jl)*zdiff
2628            pabcu(jl, 20, jc) = pabcu(jl, 20, jcp1) + &
2629              zably(jl, 9, jc)*rch42d(jl, jc)/rco2*zpsm6(jl)*zdiff
2630            pabcu(jl, 21, jc) = pabcu(jl, 21, jcp1) + &
2631              zably(jl, 8, jc)*rn2o2d(jl, jc)/rco2*zphn6(jl)*zdiff
2632            pabcu(jl, 22, jc) = pabcu(jl, 22, jcp1) + &
2633              zably(jl, 9, jc)*rn2o2d(jl, jc)/rco2*zpsn6(jl)*zdiff
2634
2635            pabcu(jl, 23, jc) = pabcu(jl, 23, jcp1) + &
2636              zably(jl, 8, jc)*rcfc112d(jl, jc)/rco2*zdiff
2637            pabcu(jl, 24, jc) = pabcu(jl, 24, jcp1) + &
2638              zably(jl, 8, jc)*rcfc122d(jl, jc)/rco2*zdiff
2639          ELSE
2640              ! Same calculation as for type_trac /= repr
2641            pabcu(jl, 19, jc) = pabcu(jl, 19, jcp1) + &
2642              zably(jl, 8, jc)*rch4/rco2*zphm6(jl)*zdiff
2643            pabcu(jl, 20, jc) = pabcu(jl, 20, jcp1) + &
2644              zably(jl, 9, jc)*rch4/rco2*zpsm6(jl)*zdiff
2645            pabcu(jl, 21, jc) = pabcu(jl, 21, jcp1) + &
2646              zably(jl, 8, jc)*rn2o/rco2*zphn6(jl)*zdiff
2647            pabcu(jl, 22, jc) = pabcu(jl, 22, jcp1) + &
2648              zably(jl, 9, jc)*rn2o/rco2*zpsn6(jl)*zdiff
2649
2650            pabcu(jl, 23, jc) = pabcu(jl, 23, jcp1) + &
2651              zably(jl, 8, jc)*rcfc11/rco2*zdiff
2652            pabcu(jl, 24, jc) = pabcu(jl, 24, jcp1) + &
2653              zably(jl, 8, jc)*rcfc12/rco2*zdiff
2654          END IF
2655END IF
2656        ELSE
2657          pabcu(jl, 19, jc) = pabcu(jl, 19, jcp1) + &
2658            zably(jl, 8, jc)*rch4/rco2*zphm6(jl)*zdiff
2659          pabcu(jl, 20, jc) = pabcu(jl, 20, jcp1) + &
2660            zably(jl, 9, jc)*rch4/rco2*zpsm6(jl)*zdiff
2661          pabcu(jl, 21, jc) = pabcu(jl, 21, jcp1) + &
2662            zably(jl, 8, jc)*rn2o/rco2*zphn6(jl)*zdiff
2663          pabcu(jl, 22, jc) = pabcu(jl, 22, jcp1) + &
2664            zably(jl, 9, jc)*rn2o/rco2*zpsn6(jl)*zdiff
2665
2666          pabcu(jl, 23, jc) = pabcu(jl, 23, jcp1) + &
2667            zably(jl, 8, jc)*rcfc11/rco2*zdiff
2668          pabcu(jl, 24, jc) = pabcu(jl, 24, jcp1) + &
2669            zably(jl, 8, jc)*rcfc12/rco2*zdiff
2670        END IF
2671
2672      END DO
2673    END DO
2674
2675  END DO
2676
2677
2678  RETURN
2679END SUBROUTINE lwu_lmdar4
2680SUBROUTINE lwbv_lmdar4(klim, pdp, pdt0, pemis, ppmb, ptl, ptave, pabcu, &
2681    pfluc, pbint, pbsui, pcts, pcntrb)
2682USE raddimlw_mod_h
2683    USE dimphy
2684  USE yomcst_mod_h
2685IMPLICIT NONE
2686
2687
2688  ! PURPOSE.
2689  ! --------
2690  ! TO COMPUTE THE PLANCK FUNCTION AND PERFORM THE
2691  ! VERTICAL INTEGRATION. SPLIT OUT FROM LW FOR MEMORY
2692  ! SAVING
2693
2694  ! METHOD.
2695  ! -------
2696
2697  ! 1. COMPUTES THE PLANCK FUNCTIONS ON THE INTERFACES AND THE
2698  ! GRADIENT OF PLANCK FUNCTIONS IN THE LAYERS.
2699  ! 2. PERFORMS THE VERTICAL INTEGRATION DISTINGUISHING THE CON-
2700  ! TRIBUTIONS OF THE ADJACENT AND DISTANT LAYERS AND THOSE FROM THE
2701  ! BOUNDARIES.
2702  ! 3. COMPUTES THE CLEAR-SKY COOLING RATES.
2703
2704  ! REFERENCE.
2705  ! ----------
2706
2707  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
2708  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
2709
2710  ! AUTHOR.
2711  ! -------
2712  ! JEAN-JACQUES MORCRETTE  *ECMWF*
2713
2714  ! MODIFICATIONS.
2715  ! --------------
2716  ! ORIGINAL : 89-07-14
2717  ! MODIFICATION : 93-10-15 M.HAMRUD (SPLIT OUT FROM LW TO SAVE
2718  ! MEMORY)
2719  ! -----------------------------------------------------------------------
2720  ! * ARGUMENTS:
2721  INTEGER klim
2722
2723  REAL (KIND=8) pdp(kdlon, kflev)
2724  REAL (KIND=8) pdt0(kdlon)
2725  REAL (KIND=8) pemis(kdlon)
2726  REAL (KIND=8) ppmb(kdlon, kflev+1)
2727  REAL (KIND=8) ptl(kdlon, kflev+1)
2728  REAL (KIND=8) ptave(kdlon, kflev)
2729
2730  REAL (KIND=8) pfluc(kdlon, 2, kflev+1)
2731
2732  REAL (KIND=8) pabcu(kdlon, nua, 3*kflev+1)
2733  REAL (KIND=8) pbint(kdlon, kflev+1)
2734  REAL (KIND=8) pbsui(kdlon)
2735  REAL (KIND=8) pcts(kdlon, kflev)
2736  REAL (KIND=8) pcntrb(kdlon, kflev+1, kflev+1)
2737
2738  ! -------------------------------------------------------------------------
2739
2740  ! * LOCAL VARIABLES:
2741  REAL (KIND=8) zb(kdlon, ninter, kflev+1)
2742  REAL (KIND=8) zbsur(kdlon, ninter)
2743  REAL (KIND=8) zbtop(kdlon, ninter)
2744  REAL (KIND=8) zdbsl(kdlon, ninter, kflev*2)
2745  REAL (KIND=8) zga(kdlon, 8, 2, kflev)
2746  REAL (KIND=8) zgb(kdlon, 8, 2, kflev)
2747  REAL (KIND=8) zgasur(kdlon, 8, 2)
2748  REAL (KIND=8) zgbsur(kdlon, 8, 2)
2749  REAL (KIND=8) zgatop(kdlon, 8, 2)
2750  REAL (KIND=8) zgbtop(kdlon, 8, 2)
2751
2752  INTEGER nuaer, ntraer
2753  ! ------------------------------------------------------------------
2754  ! * COMPUTES PLANCK FUNCTIONS:
2755  CALL lwb_lmdar4(pdt0, ptave, ptl, zb, pbint, pbsui, zbsur, zbtop, zdbsl, &
2756    zga, zgb, zgasur, zgbsur, zgatop, zgbtop)
2757  ! ------------------------------------------------------------------
2758  ! * PERFORMS THE VERTICAL INTEGRATION:
2759  nuaer = nua
2760  ntraer = ntra
2761  CALL lwv_lmdar4(nuaer, ntraer, klim, pabcu, zb, pbint, pbsui, zbsur, zbtop, &
2762    zdbsl, pemis, ppmb, ptave, zga, zgb, zgasur, zgbsur, zgatop, zgbtop, &
2763    pcntrb, pcts, pfluc)
2764  ! ------------------------------------------------------------------
2765  RETURN
2766END SUBROUTINE lwbv_lmdar4
2767SUBROUTINE lwc_lmdar4(klim, pcldld, pcldlu, pemis, pfluc, pbint, pbsuin, &
2768    pcts, pcntrb, pflux)
2769USE radopt_mod_h
2770  USE radepsi_mod_h
2771    USE dimphy
2772  IMPLICIT NONE
2773
2774  ! PURPOSE.
2775  ! --------
2776  ! INTRODUCES CLOUD EFFECTS ON LONGWAVE FLUXES OR
2777  ! RADIANCES
2778
2779  ! EXPLICIT ARGUMENTS :
2780  ! --------------------
2781  ! ==== INPUTS ===
2782  ! PBINT  : (KDLON,0:KFLEV)     ; HALF LEVEL PLANCK FUNCTION
2783  ! PBSUIN : (KDLON)             ; SURFACE PLANCK FUNCTION
2784  ! PCLDLD : (KDLON,KFLEV)       ; DOWNWARD EFFECTIVE CLOUD FRACTION
2785  ! PCLDLU : (KDLON,KFLEV)       ; UPWARD EFFECTIVE CLOUD FRACTION
2786  ! PCNTRB : (KDLON,KFLEV+1,KFLEV+1); CLEAR-SKY ENERGY EXCHANGE
2787  ! PCTS   : (KDLON,KFLEV)       ; CLEAR-SKY LAYER COOLING-TO-SPACE
2788  ! PEMIS  : (KDLON)             ; SURFACE EMISSIVITY
2789  ! PFLUC
2790  ! ==== OUTPUTS ===
2791  ! PFLUX(KDLON,2,KFLEV)         ; RADIATIVE FLUXES :
2792  ! 1  ==>  UPWARD   FLUX TOTAL
2793  ! 2  ==>  DOWNWARD FLUX TOTAL
2794
2795  ! METHOD.
2796  ! -------
2797
2798  ! 1. INITIALIZES ALL FLUXES TO CLEAR-SKY VALUES
2799  ! 2. EFFECT OF ONE OVERCAST UNITY EMISSIVITY CLOUD LAYER
2800  ! 3. EFFECT OF SEMI-TRANSPARENT, PARTIAL OR MULTI-LAYERED
2801  ! CLOUDS
2802
2803  ! REFERENCE.
2804  ! ----------
2805
2806  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
2807  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
2808
2809  ! AUTHOR.
2810  ! -------
2811  ! JEAN-JACQUES MORCRETTE  *ECMWF*
2812
2813  ! MODIFICATIONS.
2814  ! --------------
2815  ! ORIGINAL : 89-07-14
2816  ! Voigt lines (loop 231 to 233)  - JJM & PhD - 01/96
2817  ! -----------------------------------------------------------------------
2818  ! * ARGUMENTS:
2819  INTEGER klim
2820  REAL (KIND=8) pfluc(kdlon, 2, kflev+1) ! CLEAR-SKY RADIATIVE FLUXES
2821  REAL (KIND=8) pbint(kdlon, kflev+1) ! HALF LEVEL PLANCK FUNCTION
2822  REAL (KIND=8) pbsuin(kdlon) ! SURFACE PLANCK FUNCTION
2823  REAL (KIND=8) pcntrb(kdlon, kflev+1, kflev+1) !CLEAR-SKY ENERGY EXCHANGE
2824  REAL (KIND=8) pcts(kdlon, kflev) ! CLEAR-SKY LAYER COOLING-TO-SPACE
2825
2826  REAL (KIND=8) pcldld(kdlon, kflev)
2827  REAL (KIND=8) pcldlu(kdlon, kflev)
2828  REAL (KIND=8) pemis(kdlon)
2829
2830  REAL (KIND=8) pflux(kdlon, 2, kflev+1)
2831  ! -----------------------------------------------------------------------
2832  ! * LOCAL VARIABLES:
2833  INTEGER imx(kdlon), imxp(kdlon)
2834
2835  REAL (KIND=8) zclear(kdlon), zcloud(kdlon), zdnf(kdlon, kflev+1, kflev+1), &
2836    zfd(kdlon), zfn10(kdlon), zfu(kdlon), zupf(kdlon, kflev+1, kflev+1)
2837  REAL (KIND=8) zclm(kdlon, kflev+1, kflev+1)
2838
2839  INTEGER jk, jl, imaxc, imx1, imx2, jkj, jkp1, jkm1
2840  INTEGER jk1, jk2, jkc, jkcp1, jcloud
2841  INTEGER imxm1, imxp1
2842  REAL (KIND=8) zcfrac
2843
2844  ! ------------------------------------------------------------------
2845
2846  ! *         1.     INITIALIZATION
2847  ! --------------
2848
2849
2850  imaxc = 0
2851
2852  DO jl = 1, kdlon
2853    imx(jl) = 0
2854    imxp(jl) = 0
2855    zcloud(jl) = 0.
2856  END DO
2857
2858  ! *         1.1    SEARCH THE LAYER INDEX OF THE HIGHEST CLOUD
2859  ! -------------------------------------------
2860
2861
2862  DO jk = 1, kflev
2863    DO jl = 1, kdlon
2864      imx1 = imx(jl)
2865      imx2 = jk
2866      IF (pcldlu(jl,jk)>zepsc) THEN
2867        imxp(jl) = imx2
2868      ELSE
2869        imxp(jl) = imx1
2870      END IF
2871      imaxc = max(imxp(jl), imaxc)
2872      imx(jl) = imxp(jl)
2873    END DO
2874  END DO
2875  ! GM*******
2876  imaxc = kflev
2877  ! GM*******
2878
2879  DO jk = 1, kflev + 1
2880    DO jl = 1, kdlon
2881      pflux(jl, 1, jk) = pfluc(jl, 1, jk)
2882      pflux(jl, 2, jk) = pfluc(jl, 2, jk)
2883    END DO
2884  END DO
2885
2886  ! ------------------------------------------------------------------
2887
2888  ! *         2.      EFFECT OF CLOUDINESS ON LONGWAVE FLUXES
2889  ! ---------------------------------------
2890
2891  IF (imaxc>0) THEN
2892
2893    imxp1 = imaxc + 1
2894    imxm1 = imaxc - 1
2895
2896    ! *         2.0     INITIALIZE TO CLEAR-SKY FLUXES
2897    ! ------------------------------
2898
2899
2900    DO jk1 = 1, kflev + 1
2901      DO jk2 = 1, kflev + 1
2902        DO jl = 1, kdlon
2903          zupf(jl, jk2, jk1) = pfluc(jl, 1, jk1)
2904          zdnf(jl, jk2, jk1) = pfluc(jl, 2, jk1)
2905        END DO
2906      END DO
2907    END DO
2908
2909    ! *         2.1     FLUXES FOR ONE OVERCAST UNITY EMISSIVITY CLOUD
2910    ! ----------------------------------------------
2911
2912
2913    DO jkc = 1, imaxc
2914      jcloud = jkc
2915      jkcp1 = jcloud + 1
2916
2917      ! *         2.1.1   ABOVE THE CLOUD
2918      ! ---------------
2919
2920
2921      DO jk = jkcp1, kflev + 1
2922        jkm1 = jk - 1
2923        DO jl = 1, kdlon
2924          zfu(jl) = 0.
2925        END DO
2926        IF (jk>jkcp1) THEN
2927          DO jkj = jkcp1, jkm1
2928            DO jl = 1, kdlon
2929              zfu(jl) = zfu(jl) + pcntrb(jl, jk, jkj)
2930            END DO
2931          END DO
2932        END IF
2933
2934        DO jl = 1, kdlon
2935          zupf(jl, jkcp1, jk) = pbint(jl, jk) - zfu(jl)
2936        END DO
2937      END DO
2938
2939      ! *         2.1.2   BELOW THE CLOUD
2940      ! ---------------
2941
2942
2943      DO jk = 1, jcloud
2944        jkp1 = jk + 1
2945        DO jl = 1, kdlon
2946          zfd(jl) = 0.
2947        END DO
2948
2949        IF (jk<jcloud) THEN
2950          DO jkj = jkp1, jcloud
2951            DO jl = 1, kdlon
2952              zfd(jl) = zfd(jl) + pcntrb(jl, jk, jkj)
2953            END DO
2954          END DO
2955        END IF
2956        DO jl = 1, kdlon
2957          zdnf(jl, jkcp1, jk) = -pbint(jl, jk) - zfd(jl)
2958        END DO
2959      END DO
2960
2961    END DO
2962
2963    ! *         2.2     CLOUD COVER MATRIX
2964    ! ------------------
2965
2966    ! *    ZCLM(JK1,JK2) IS THE OBSCURATION FACTOR BY CLOUD LAYERS BETWEEN
2967    ! HALF-LEVELS JK1 AND JK2 AS SEEN FROM JK1
2968
2969
2970    DO jk1 = 1, kflev + 1
2971      DO jk2 = 1, kflev + 1
2972        DO jl = 1, kdlon
2973          zclm(jl, jk1, jk2) = 0.
2974        END DO
2975      END DO
2976    END DO
2977
2978    ! *         2.4     CLOUD COVER BELOW THE LEVEL OF CALCULATION
2979    ! ------------------------------------------
2980
2981
2982    DO jk1 = 2, kflev + 1
2983      DO jl = 1, kdlon
2984        zclear(jl) = 1.
2985        zcloud(jl) = 0.
2986      END DO
2987      DO jk = jk1 - 1, 1, -1
2988        DO jl = 1, kdlon
2989          IF (novlp==1) THEN
2990            ! * maximum-random
2991            zclear(jl) = zclear(jl)*(1.0-max(pcldlu(jl, &
2992              jk),zcloud(jl)))/(1.0-min(zcloud(jl),1.-zepsec))
2993            zclm(jl, jk1, jk) = 1.0 - zclear(jl)
2994            zcloud(jl) = pcldlu(jl, jk)
2995          ELSE IF (novlp==2) THEN
2996            ! * maximum
2997            zcloud(jl) = max(zcloud(jl), pcldlu(jl,jk))
2998            zclm(jl, jk1, jk) = zcloud(jl)
2999          ELSE IF (novlp==3) THEN
3000            ! * random
3001            zclear(jl) = zclear(jl)*(1.0-pcldlu(jl,jk))
3002            zcloud(jl) = 1.0 - zclear(jl)
3003            zclm(jl, jk1, jk) = zcloud(jl)
3004          END IF
3005        END DO
3006      END DO
3007    END DO
3008
3009    ! *         2.5     CLOUD COVER ABOVE THE LEVEL OF CALCULATION
3010    ! ------------------------------------------
3011
3012
3013    DO jk1 = 1, kflev
3014      DO jl = 1, kdlon
3015        zclear(jl) = 1.
3016        zcloud(jl) = 0.
3017      END DO
3018      DO jk = jk1, kflev
3019        DO jl = 1, kdlon
3020          IF (novlp==1) THEN
3021            ! * maximum-random
3022            zclear(jl) = zclear(jl)*(1.0-max(pcldld(jl, &
3023              jk),zcloud(jl)))/(1.0-min(zcloud(jl),1.-zepsec))
3024            zclm(jl, jk1, jk) = 1.0 - zclear(jl)
3025            zcloud(jl) = pcldld(jl, jk)
3026          ELSE IF (novlp==2) THEN
3027            ! * maximum
3028            zcloud(jl) = max(zcloud(jl), pcldld(jl,jk))
3029            zclm(jl, jk1, jk) = zcloud(jl)
3030          ELSE IF (novlp==3) THEN
3031            ! * random
3032            zclear(jl) = zclear(jl)*(1.0-pcldld(jl,jk))
3033            zcloud(jl) = 1.0 - zclear(jl)
3034            zclm(jl, jk1, jk) = zcloud(jl)
3035          END IF
3036        END DO
3037      END DO
3038    END DO
3039
3040    ! *         3.      FLUXES FOR PARTIAL/MULTIPLE LAYERED CLOUDINESS
3041    ! ----------------------------------------------
3042
3043
3044    ! *         3.1     DOWNWARD FLUXES
3045    ! ---------------
3046
3047
3048    DO jl = 1, kdlon
3049      pflux(jl, 2, kflev+1) = 0.
3050    END DO
3051
3052    DO jk1 = kflev, 1, -1
3053
3054      ! *                 CONTRIBUTION FROM CLEAR-SKY FRACTION
3055
3056      DO jl = 1, kdlon
3057        zfd(jl) = (1.-zclm(jl,jk1,kflev))*zdnf(jl, 1, jk1)
3058      END DO
3059
3060      ! *                 CONTRIBUTION FROM ADJACENT CLOUD
3061
3062      DO jl = 1, kdlon
3063        zfd(jl) = zfd(jl) + zclm(jl, jk1, jk1)*zdnf(jl, jk1+1, jk1)
3064      END DO
3065
3066      ! *                 CONTRIBUTION FROM OTHER CLOUDY FRACTIONS
3067
3068      DO jk = kflev - 1, jk1, -1
3069        DO jl = 1, kdlon
3070          zcfrac = zclm(jl, jk1, jk+1) - zclm(jl, jk1, jk)
3071          zfd(jl) = zfd(jl) + zcfrac*zdnf(jl, jk+2, jk1)
3072        END DO
3073      END DO
3074
3075      DO jl = 1, kdlon
3076        pflux(jl, 2, jk1) = zfd(jl)
3077      END DO
3078
3079    END DO
3080
3081    ! *         3.2     UPWARD FLUX AT THE SURFACE
3082    ! --------------------------
3083
3084
3085    DO jl = 1, kdlon
3086      pflux(jl, 1, 1) = pemis(jl)*pbsuin(jl) - (1.-pemis(jl))*pflux(jl, 2, 1)
3087    END DO
3088
3089    ! *         3.3     UPWARD FLUXES
3090    ! -------------
3091
3092
3093    DO jk1 = 2, kflev + 1
3094
3095      ! *                 CONTRIBUTION FROM CLEAR-SKY FRACTION
3096
3097      DO jl = 1, kdlon
3098        zfu(jl) = (1.-zclm(jl,jk1,1))*zupf(jl, 1, jk1)
3099      END DO
3100
3101      ! *                 CONTRIBUTION FROM ADJACENT CLOUD
3102
3103      DO jl = 1, kdlon
3104        zfu(jl) = zfu(jl) + zclm(jl, jk1, jk1-1)*zupf(jl, jk1, jk1)
3105      END DO
3106
3107      ! *                 CONTRIBUTION FROM OTHER CLOUDY FRACTIONS
3108
3109      DO jk = 2, jk1 - 1
3110        DO jl = 1, kdlon
3111          zcfrac = zclm(jl, jk1, jk-1) - zclm(jl, jk1, jk)
3112          zfu(jl) = zfu(jl) + zcfrac*zupf(jl, jk, jk1)
3113        END DO
3114      END DO
3115
3116      DO jl = 1, kdlon
3117        pflux(jl, 1, jk1) = zfu(jl)
3118      END DO
3119
3120    END DO
3121
3122
3123  END IF
3124
3125  ! *         2.3     END OF CLOUD EFFECT COMPUTATIONS
3126
3127
3128  IF (.NOT. levoigt) THEN
3129    DO jl = 1, kdlon
3130      zfn10(jl) = pflux(jl, 1, klim) + pflux(jl, 2, klim)
3131    END DO
3132    DO jk = klim + 1, kflev + 1
3133      DO jl = 1, kdlon
3134        zfn10(jl) = zfn10(jl) + pcts(jl, jk-1)
3135        pflux(jl, 1, jk) = zfn10(jl)
3136        pflux(jl, 2, jk) = 0.0
3137      END DO
3138    END DO
3139  END IF
3140
3141  RETURN
3142END SUBROUTINE lwc_lmdar4
3143SUBROUTINE lwb_lmdar4(pdt0, ptave, ptl, pb, pbint, pbsuin, pbsur, pbtop, &
3144    pdbsl, pga, pgb, pgasur, pgbsur, pgatop, pgbtop)
3145USE raddimlw_mod_h
3146    USE dimphy
3147  USE radiation_ar4_param, ONLY: tintp, xp, ga, gb
3148  IMPLICIT NONE
3149
3150  ! -----------------------------------------------------------------------
3151  ! PURPOSE.
3152  ! --------
3153  ! COMPUTES PLANCK FUNCTIONS
3154
3155  ! EXPLICIT ARGUMENTS :
3156  ! --------------------
3157  ! ==== INPUTS ===
3158  ! PDT0   : (KDLON)             ; SURFACE TEMPERATURE DISCONTINUITY
3159  ! PTAVE  : (KDLON,KFLEV)       ; TEMPERATURE
3160  ! PTL    : (KDLON,0:KFLEV)     ; HALF LEVEL TEMPERATURE
3161  ! ==== OUTPUTS ===
3162  ! PB     : (KDLON,Ninter,KFLEV+1); SPECTRAL HALF LEVEL PLANCK FUNCTION
3163  ! PBINT  : (KDLON,KFLEV+1)     ; HALF LEVEL PLANCK FUNCTION
3164  ! PBSUIN : (KDLON)             ; SURFACE PLANCK FUNCTION
3165  ! PBSUR  : (KDLON,Ninter)        ; SURFACE SPECTRAL PLANCK FUNCTION
3166  ! PBTOP  : (KDLON,Ninter)        ; TOP SPECTRAL PLANCK FUNCTION
3167  ! PDBSL  : (KDLON,Ninter,KFLEV*2); SUB-LAYER PLANCK FUNCTION GRADIENT
3168  ! PGA    : (KDLON,8,2,KFLEV); dB/dT-weighted LAYER PADE APPROXIMANTS
3169  ! PGB    : (KDLON,8,2,KFLEV); dB/dT-weighted LAYER PADE APPROXIMANTS
3170  ! PGASUR, PGBSUR (KDLON,8,2)   ; SURFACE PADE APPROXIMANTS
3171  ! PGATOP, PGBTOP (KDLON,8,2)   ; T.O.A. PADE APPROXIMANTS
3172
3173  ! IMPLICIT ARGUMENTS :   NONE
3174  ! --------------------
3175
3176  ! METHOD.
3177  ! -------
3178
3179  ! 1. COMPUTES THE PLANCK FUNCTION ON ALL LEVELS AND HALF LEVELS
3180  ! FROM A POLYNOMIAL DEVELOPMENT OF PLANCK FUNCTION
3181
3182  ! REFERENCE.
3183  ! ----------
3184
3185  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
3186  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS           "
3187
3188  ! AUTHOR.
3189  ! -------
3190  ! JEAN-JACQUES MORCRETTE  *ECMWF*
3191
3192  ! MODIFICATIONS.
3193  ! --------------
3194  ! ORIGINAL : 89-07-14
3195
3196  ! -----------------------------------------------------------------------
3197
3198  ! ARGUMENTS:
3199
3200  REAL (KIND=8) pdt0(kdlon)
3201  REAL (KIND=8) ptave(kdlon, kflev)
3202  REAL (KIND=8) ptl(kdlon, kflev+1)
3203
3204  REAL (KIND=8) pb(kdlon, ninter, kflev+1) ! SPECTRAL HALF LEVEL PLANCK FUNCTION
3205  REAL (KIND=8) pbint(kdlon, kflev+1) ! HALF LEVEL PLANCK FUNCTION
3206  REAL (KIND=8) pbsuin(kdlon) ! SURFACE PLANCK FUNCTION
3207  REAL (KIND=8) pbsur(kdlon, ninter) ! SURFACE SPECTRAL PLANCK FUNCTION
3208  REAL (KIND=8) pbtop(kdlon, ninter) ! TOP SPECTRAL PLANCK FUNCTION
3209  REAL (KIND=8) pdbsl(kdlon, ninter, kflev*2) ! SUB-LAYER PLANCK FUNCTION GRADIENT
3210  REAL (KIND=8) pga(kdlon, 8, 2, kflev) ! dB/dT-weighted LAYER PADE APPROXIMANTS
3211  REAL (KIND=8) pgb(kdlon, 8, 2, kflev) ! dB/dT-weighted LAYER PADE APPROXIMANTS
3212  REAL (KIND=8) pgasur(kdlon, 8, 2) ! SURFACE PADE APPROXIMANTS
3213  REAL (KIND=8) pgbsur(kdlon, 8, 2) ! SURFACE PADE APPROXIMANTS
3214  REAL (KIND=8) pgatop(kdlon, 8, 2) ! T.O.A. PADE APPROXIMANTS
3215  REAL (KIND=8) pgbtop(kdlon, 8, 2) ! T.O.A. PADE APPROXIMANTS
3216
3217  ! -------------------------------------------------------------------------
3218  ! *  LOCAL VARIABLES:
3219  INTEGER indb(kdlon), inds(kdlon)
3220  REAL (KIND=8) zblay(kdlon, kflev), zblev(kdlon, kflev+1)
3221  REAL (KIND=8) zres(kdlon), zres2(kdlon), zti(kdlon), zti2(kdlon)
3222
3223  INTEGER jk, jl, ic, jnu, jf, jg
3224  INTEGER jk1, jk2
3225  INTEGER k, j, ixtox, indto, ixtx, indt
3226  INTEGER indsu, indtp
3227  REAL (KIND=8) zdsto1, zdstox, zdst1, zdstx
3228
3229  ! * Quelques parametres:
3230  REAL (KIND=8) tstand
3231  PARAMETER (tstand=250.0)
3232  REAL (KIND=8) tstp
3233  PARAMETER (tstp=12.5)
3234  INTEGER mxixt
3235  PARAMETER (mxixt=10)
3236
3237  ! * Used Data Block:
3238  ! REAL*8 TINTP(11)
3239  ! SAVE TINTP
3240  ! c$OMP THREADPRIVATE(TINTP)
3241  ! REAL*8 GA(11,16,3), GB(11,16,3)
3242  ! SAVE GA, GB
3243  ! c$OMP THREADPRIVATE(GA, GB)
3244  ! REAL*8 XP(6,6)
3245  ! SAVE XP
3246  ! c$OMP THREADPRIVATE(XP)
3247
3248  ! DATA TINTP / 187.5, 200., 212.5, 225., 237.5, 250.,
3249  ! S             262.5, 275., 287.5, 300., 312.5 /
3250  ! -----------------------------------------------------------------------
3251  ! -- WATER VAPOR -- INT.1 -- 0- 500 CM-1 -- FROM ABS225 ----------------
3252
3253
3254
3255
3256  ! -- R.D. -- G = - 0.2 SLA
3257
3258
3259  ! ----- INTERVAL = 1 ----- T =  187.5
3260
3261  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3262  ! DATA (GA( 1, 1,IC),IC=1,3) /
3263  ! S 0.63499072E-02,-0.99506586E-03, 0.00000000E+00/
3264  ! DATA (GB( 1, 1,IC),IC=1,3) /
3265  ! S 0.63499072E-02, 0.97222852E-01, 0.10000000E+01/
3266  ! DATA (GA( 1, 2,IC),IC=1,3) /
3267  ! S 0.77266491E-02,-0.11661515E-02, 0.00000000E+00/
3268  ! DATA (GB( 1, 2,IC),IC=1,3) /
3269  ! S 0.77266491E-02, 0.10681591E+00, 0.10000000E+01/
3270
3271  ! ----- INTERVAL = 1 ----- T =  200.0
3272
3273  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3274  ! DATA (GA( 2, 1,IC),IC=1,3) /
3275  ! S 0.65566348E-02,-0.10184169E-02, 0.00000000E+00/
3276  ! DATA (GB( 2, 1,IC),IC=1,3) /
3277  ! S 0.65566348E-02, 0.98862238E-01, 0.10000000E+01/
3278  ! DATA (GA( 2, 2,IC),IC=1,3) /
3279  ! S 0.81323287E-02,-0.11886130E-02, 0.00000000E+00/
3280  ! DATA (GB( 2, 2,IC),IC=1,3) /
3281  ! S 0.81323287E-02, 0.10921298E+00, 0.10000000E+01/
3282
3283  ! ----- INTERVAL = 1 ----- T =  212.5
3284
3285  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3286  ! DATA (GA( 3, 1,IC),IC=1,3) /
3287  ! S 0.67849730E-02,-0.10404730E-02, 0.00000000E+00/
3288  ! DATA (GB( 3, 1,IC),IC=1,3) /
3289  ! S 0.67849730E-02, 0.10061504E+00, 0.10000000E+01/
3290  ! DATA (GA( 3, 2,IC),IC=1,3) /
3291  ! S 0.86507620E-02,-0.12139929E-02, 0.00000000E+00/
3292  ! DATA (GB( 3, 2,IC),IC=1,3) /
3293  ! S 0.86507620E-02, 0.11198225E+00, 0.10000000E+01/
3294
3295  ! ----- INTERVAL = 1 ----- T =  225.0
3296
3297  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3298  ! DATA (GA( 4, 1,IC),IC=1,3) /
3299  ! S 0.70481947E-02,-0.10621792E-02, 0.00000000E+00/
3300  ! DATA (GB( 4, 1,IC),IC=1,3) /
3301  ! S 0.70481947E-02, 0.10256222E+00, 0.10000000E+01/
3302  ! DATA (GA( 4, 2,IC),IC=1,3) /
3303  ! S 0.92776391E-02,-0.12445811E-02, 0.00000000E+00/
3304  ! DATA (GB( 4, 2,IC),IC=1,3) /
3305  ! S 0.92776391E-02, 0.11487826E+00, 0.10000000E+01/
3306
3307  ! ----- INTERVAL = 1 ----- T =  237.5
3308
3309  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3310  ! DATA (GA( 5, 1,IC),IC=1,3) /
3311  ! S 0.73585943E-02,-0.10847662E-02, 0.00000000E+00/
3312  ! DATA (GB( 5, 1,IC),IC=1,3) /
3313  ! S 0.73585943E-02, 0.10475952E+00, 0.10000000E+01/
3314  ! DATA (GA( 5, 2,IC),IC=1,3) /
3315  ! S 0.99806312E-02,-0.12807672E-02, 0.00000000E+00/
3316  ! DATA (GB( 5, 2,IC),IC=1,3) /
3317  ! S 0.99806312E-02, 0.11751113E+00, 0.10000000E+01/
3318
3319  ! ----- INTERVAL = 1 ----- T =  250.0
3320
3321  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3322  ! DATA (GA( 6, 1,IC),IC=1,3) /
3323  ! S 0.77242818E-02,-0.11094726E-02, 0.00000000E+00/
3324  ! DATA (GB( 6, 1,IC),IC=1,3) /
3325  ! S 0.77242818E-02, 0.10720986E+00, 0.10000000E+01/
3326  ! DATA (GA( 6, 2,IC),IC=1,3) /
3327  ! S 0.10709803E-01,-0.13208251E-02, 0.00000000E+00/
3328  ! DATA (GB( 6, 2,IC),IC=1,3) /
3329  ! S 0.10709803E-01, 0.11951535E+00, 0.10000000E+01/
3330
3331  ! ----- INTERVAL = 1 ----- T =  262.5
3332
3333  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3334  ! DATA (GA( 7, 1,IC),IC=1,3) /
3335  ! S 0.81472693E-02,-0.11372949E-02, 0.00000000E+00/
3336  ! DATA (GB( 7, 1,IC),IC=1,3) /
3337  ! S 0.81472693E-02, 0.10985370E+00, 0.10000000E+01/
3338  ! DATA (GA( 7, 2,IC),IC=1,3) /
3339  ! S 0.11414739E-01,-0.13619034E-02, 0.00000000E+00/
3340  ! DATA (GB( 7, 2,IC),IC=1,3) /
3341  ! S 0.11414739E-01, 0.12069945E+00, 0.10000000E+01/
3342
3343  ! ----- INTERVAL = 1 ----- T =  275.0
3344
3345  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3346  ! DATA (GA( 8, 1,IC),IC=1,3) /
3347  ! S 0.86227527E-02,-0.11687683E-02, 0.00000000E+00/
3348  ! DATA (GB( 8, 1,IC),IC=1,3) /
3349  ! S 0.86227527E-02, 0.11257633E+00, 0.10000000E+01/
3350  ! DATA (GA( 8, 2,IC),IC=1,3) /
3351  ! S 0.12058772E-01,-0.14014165E-02, 0.00000000E+00/
3352  ! DATA (GB( 8, 2,IC),IC=1,3) /
3353  ! S 0.12058772E-01, 0.12108524E+00, 0.10000000E+01/
3354
3355  ! ----- INTERVAL = 1 ----- T =  287.5
3356
3357  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3358  ! DATA (GA( 9, 1,IC),IC=1,3) /
3359  ! S 0.91396814E-02,-0.12038314E-02, 0.00000000E+00/
3360  ! DATA (GB( 9, 1,IC),IC=1,3) /
3361  ! S 0.91396814E-02, 0.11522980E+00, 0.10000000E+01/
3362  ! DATA (GA( 9, 2,IC),IC=1,3) /
3363  ! S 0.12623992E-01,-0.14378639E-02, 0.00000000E+00/
3364  ! DATA (GB( 9, 2,IC),IC=1,3) /
3365  ! S 0.12623992E-01, 0.12084229E+00, 0.10000000E+01/
3366
3367  ! ----- INTERVAL = 1 ----- T =  300.0
3368
3369  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3370  ! DATA (GA(10, 1,IC),IC=1,3) /
3371  ! S 0.96825438E-02,-0.12418367E-02, 0.00000000E+00/
3372  ! DATA (GB(10, 1,IC),IC=1,3) /
3373  ! S 0.96825438E-02, 0.11766343E+00, 0.10000000E+01/
3374  ! DATA (GA(10, 2,IC),IC=1,3) /
3375  ! S 0.13108146E-01,-0.14708488E-02, 0.00000000E+00/
3376  ! DATA (GB(10, 2,IC),IC=1,3) /
3377  ! S 0.13108146E-01, 0.12019005E+00, 0.10000000E+01/
3378
3379  ! ----- INTERVAL = 1 ----- T =  312.5
3380
3381  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
3382  ! DATA (GA(11, 1,IC),IC=1,3) /
3383  ! S 0.10233955E-01,-0.12817135E-02, 0.00000000E+00/
3384  ! DATA (GB(11, 1,IC),IC=1,3) /
3385  ! S 0.10233955E-01, 0.11975320E+00, 0.10000000E+01/
3386  ! DATA (GA(11, 2,IC),IC=1,3) /
3387  ! S 0.13518390E-01,-0.15006791E-02, 0.00000000E+00/
3388  ! DATA (GB(11, 2,IC),IC=1,3) /
3389  ! S 0.13518390E-01, 0.11932684E+00, 0.10000000E+01/
3390
3391
3392
3393  ! --- WATER VAPOR --- INTERVAL 2 -- 500-800 CM-1--- FROM ABS225 ---------
3394
3395
3396
3397
3398  ! --- R.D.  ---  G = 0.02 + 0.50 / ( 1 + 4.5 U )
3399
3400
3401  ! ----- INTERVAL = 2 ----- T =  187.5
3402
3403  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3404  ! DATA (GA( 1, 3,IC),IC=1,3) /
3405  ! S 0.11644593E+01, 0.41243390E+00, 0.00000000E+00/
3406  ! DATA (GB( 1, 3,IC),IC=1,3) /
3407  ! S 0.11644593E+01, 0.10346097E+01, 0.10000000E+01/
3408  ! DATA (GA( 1, 4,IC),IC=1,3) /
3409  ! S 0.12006968E+01, 0.48318936E+00, 0.00000000E+00/
3410  ! DATA (GB( 1, 4,IC),IC=1,3) /
3411  ! S 0.12006968E+01, 0.10626130E+01, 0.10000000E+01/
3412
3413  ! ----- INTERVAL = 2 ----- T =  200.0
3414
3415  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3416  ! DATA (GA( 2, 3,IC),IC=1,3) /
3417  ! S 0.11747203E+01, 0.43407282E+00, 0.00000000E+00/
3418  ! DATA (GB( 2, 3,IC),IC=1,3) /
3419  ! S 0.11747203E+01, 0.10433655E+01, 0.10000000E+01/
3420  ! DATA (GA( 2, 4,IC),IC=1,3) /
3421  ! S 0.12108196E+01, 0.50501827E+00, 0.00000000E+00/
3422  ! DATA (GB( 2, 4,IC),IC=1,3) /
3423  ! S 0.12108196E+01, 0.10716026E+01, 0.10000000E+01/
3424
3425  ! ----- INTERVAL = 2 ----- T =  212.5
3426
3427  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3428  ! DATA (GA( 3, 3,IC),IC=1,3) /
3429  ! S 0.11837872E+01, 0.45331413E+00, 0.00000000E+00/
3430  ! DATA (GB( 3, 3,IC),IC=1,3) /
3431  ! S 0.11837872E+01, 0.10511933E+01, 0.10000000E+01/
3432  ! DATA (GA( 3, 4,IC),IC=1,3) /
3433  ! S 0.12196717E+01, 0.52409502E+00, 0.00000000E+00/
3434  ! DATA (GB( 3, 4,IC),IC=1,3) /
3435  ! S 0.12196717E+01, 0.10795108E+01, 0.10000000E+01/
3436
3437  ! ----- INTERVAL = 2 ----- T =  225.0
3438
3439  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3440  ! DATA (GA( 4, 3,IC),IC=1,3) /
3441  ! S 0.11918561E+01, 0.47048604E+00, 0.00000000E+00/
3442  ! DATA (GB( 4, 3,IC),IC=1,3) /
3443  ! S 0.11918561E+01, 0.10582150E+01, 0.10000000E+01/
3444  ! DATA (GA( 4, 4,IC),IC=1,3) /
3445  ! S 0.12274493E+01, 0.54085277E+00, 0.00000000E+00/
3446  ! DATA (GB( 4, 4,IC),IC=1,3) /
3447  ! S 0.12274493E+01, 0.10865006E+01, 0.10000000E+01/
3448
3449  ! ----- INTERVAL = 2 ----- T =  237.5
3450
3451  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3452  ! DATA (GA( 5, 3,IC),IC=1,3) /
3453  ! S 0.11990757E+01, 0.48586286E+00, 0.00000000E+00/
3454  ! DATA (GB( 5, 3,IC),IC=1,3) /
3455  ! S 0.11990757E+01, 0.10645317E+01, 0.10000000E+01/
3456  ! DATA (GA( 5, 4,IC),IC=1,3) /
3457  ! S 0.12343189E+01, 0.55565422E+00, 0.00000000E+00/
3458  ! DATA (GB( 5, 4,IC),IC=1,3) /
3459  ! S 0.12343189E+01, 0.10927103E+01, 0.10000000E+01/
3460
3461  ! ----- INTERVAL = 2 ----- T =  250.0
3462
3463  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3464  ! DATA (GA( 6, 3,IC),IC=1,3) /
3465  ! S 0.12055643E+01, 0.49968044E+00, 0.00000000E+00/
3466  ! DATA (GB( 6, 3,IC),IC=1,3) /
3467  ! S 0.12055643E+01, 0.10702313E+01, 0.10000000E+01/
3468  ! DATA (GA( 6, 4,IC),IC=1,3) /
3469  ! S 0.12404147E+01, 0.56878618E+00, 0.00000000E+00/
3470  ! DATA (GB( 6, 4,IC),IC=1,3) /
3471  ! S 0.12404147E+01, 0.10982489E+01, 0.10000000E+01/
3472
3473  ! ----- INTERVAL = 2 ----- T =  262.5
3474
3475  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3476  ! DATA (GA( 7, 3,IC),IC=1,3) /
3477  ! S 0.12114186E+01, 0.51214132E+00, 0.00000000E+00/
3478  ! DATA (GB( 7, 3,IC),IC=1,3) /
3479  ! S 0.12114186E+01, 0.10753907E+01, 0.10000000E+01/
3480  ! DATA (GA( 7, 4,IC),IC=1,3) /
3481  ! S 0.12458431E+01, 0.58047395E+00, 0.00000000E+00/
3482  ! DATA (GB( 7, 4,IC),IC=1,3) /
3483  ! S 0.12458431E+01, 0.11032019E+01, 0.10000000E+01/
3484
3485  ! ----- INTERVAL = 2 ----- T =  275.0
3486
3487  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3488  ! DATA (GA( 8, 3,IC),IC=1,3) /
3489  ! S 0.12167192E+01, 0.52341830E+00, 0.00000000E+00/
3490  ! DATA (GB( 8, 3,IC),IC=1,3) /
3491  ! S 0.12167192E+01, 0.10800762E+01, 0.10000000E+01/
3492  ! DATA (GA( 8, 4,IC),IC=1,3) /
3493  ! S 0.12506907E+01, 0.59089894E+00, 0.00000000E+00/
3494  ! DATA (GB( 8, 4,IC),IC=1,3) /
3495  ! S 0.12506907E+01, 0.11076379E+01, 0.10000000E+01/
3496
3497  ! ----- INTERVAL = 2 ----- T =  287.5
3498
3499  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3500  ! DATA (GA( 9, 3,IC),IC=1,3) /
3501  ! S 0.12215344E+01, 0.53365803E+00, 0.00000000E+00/
3502  ! DATA (GB( 9, 3,IC),IC=1,3) /
3503  ! S 0.12215344E+01, 0.10843446E+01, 0.10000000E+01/
3504  ! DATA (GA( 9, 4,IC),IC=1,3) /
3505  ! S 0.12550299E+01, 0.60021475E+00, 0.00000000E+00/
3506  ! DATA (GB( 9, 4,IC),IC=1,3) /
3507  ! S 0.12550299E+01, 0.11116160E+01, 0.10000000E+01/
3508
3509  ! ----- INTERVAL = 2 ----- T =  300.0
3510
3511  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3512  ! DATA (GA(10, 3,IC),IC=1,3) /
3513  ! S 0.12259226E+01, 0.54298448E+00, 0.00000000E+00/
3514  ! DATA (GB(10, 3,IC),IC=1,3) /
3515  ! S 0.12259226E+01, 0.10882439E+01, 0.10000000E+01/
3516  ! DATA (GA(10, 4,IC),IC=1,3) /
3517  ! S 0.12589256E+01, 0.60856112E+00, 0.00000000E+00/
3518  ! DATA (GB(10, 4,IC),IC=1,3) /
3519  ! S 0.12589256E+01, 0.11151910E+01, 0.10000000E+01/
3520
3521  ! ----- INTERVAL = 2 ----- T =  312.5
3522
3523  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3524  ! DATA (GA(11, 3,IC),IC=1,3) /
3525  ! S 0.12299344E+01, 0.55150227E+00, 0.00000000E+00/
3526  ! DATA (GB(11, 3,IC),IC=1,3) /
3527  ! S 0.12299344E+01, 0.10918144E+01, 0.10000000E+01/
3528  ! DATA (GA(11, 4,IC),IC=1,3) /
3529  ! S 0.12624402E+01, 0.61607594E+00, 0.00000000E+00/
3530  ! DATA (GB(11, 4,IC),IC=1,3) /
3531  ! S 0.12624402E+01, 0.11184188E+01, 0.10000000E+01/
3532
3533
3534
3535
3536
3537
3538  ! - WATER VAPOR - INT. 3 -- 800-970 + 1110-1250 CM-1 -- FIT FROM 215 IS -
3539
3540
3541  ! -- WATER VAPOR LINES IN THE WINDOW REGION (800-1250 CM-1)
3542
3543
3544
3545  ! --- G = 3.875E-03 ---------------
3546
3547  ! ----- INTERVAL = 3 ----- T =  187.5
3548
3549  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3550  ! DATA (GA( 1, 7,IC),IC=1,3) /
3551  ! S 0.10192131E+02, 0.80737799E+01, 0.00000000E+00/
3552  ! DATA (GB( 1, 7,IC),IC=1,3) /
3553  ! S 0.10192131E+02, 0.82623280E+01, 0.10000000E+01/
3554  ! DATA (GA( 1, 8,IC),IC=1,3) /
3555  ! S 0.92439050E+01, 0.77425778E+01, 0.00000000E+00/
3556  ! DATA (GB( 1, 8,IC),IC=1,3) /
3557  ! S 0.92439050E+01, 0.79342219E+01, 0.10000000E+01/
3558
3559  ! ----- INTERVAL = 3 ----- T =  200.0
3560
3561  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3562  ! DATA (GA( 2, 7,IC),IC=1,3) /
3563  ! S 0.97258602E+01, 0.79171158E+01, 0.00000000E+00/
3564  ! DATA (GB( 2, 7,IC),IC=1,3) /
3565  ! S 0.97258602E+01, 0.81072291E+01, 0.10000000E+01/
3566  ! DATA (GA( 2, 8,IC),IC=1,3) /
3567  ! S 0.87567422E+01, 0.75443460E+01, 0.00000000E+00/
3568  ! DATA (GB( 2, 8,IC),IC=1,3) /
3569  ! S 0.87567422E+01, 0.77373458E+01, 0.10000000E+01/
3570
3571  ! ----- INTERVAL = 3 ----- T =  212.5
3572
3573  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3574  ! DATA (GA( 3, 7,IC),IC=1,3) /
3575  ! S 0.92992890E+01, 0.77609605E+01, 0.00000000E+00/
3576  ! DATA (GB( 3, 7,IC),IC=1,3) /
3577  ! S 0.92992890E+01, 0.79523834E+01, 0.10000000E+01/
3578  ! DATA (GA( 3, 8,IC),IC=1,3) /
3579  ! S 0.83270144E+01, 0.73526151E+01, 0.00000000E+00/
3580  ! DATA (GB( 3, 8,IC),IC=1,3) /
3581  ! S 0.83270144E+01, 0.75467334E+01, 0.10000000E+01/
3582
3583  ! ----- INTERVAL = 3 ----- T =  225.0
3584
3585  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3586  ! DATA (GA( 4, 7,IC),IC=1,3) /
3587  ! S 0.89154021E+01, 0.76087371E+01, 0.00000000E+00/
3588  ! DATA (GB( 4, 7,IC),IC=1,3) /
3589  ! S 0.89154021E+01, 0.78012527E+01, 0.10000000E+01/
3590  ! DATA (GA( 4, 8,IC),IC=1,3) /
3591  ! S 0.79528337E+01, 0.71711188E+01, 0.00000000E+00/
3592  ! DATA (GB( 4, 8,IC),IC=1,3) /
3593  ! S 0.79528337E+01, 0.73661786E+01, 0.10000000E+01/
3594
3595  ! ----- INTERVAL = 3 ----- T =  237.5
3596
3597  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3598  ! DATA (GA( 5, 7,IC),IC=1,3) /
3599  ! S 0.85730084E+01, 0.74627112E+01, 0.00000000E+00/
3600  ! DATA (GB( 5, 7,IC),IC=1,3) /
3601  ! S 0.85730084E+01, 0.76561458E+01, 0.10000000E+01/
3602  ! DATA (GA( 5, 8,IC),IC=1,3) /
3603  ! S 0.76286839E+01, 0.70015571E+01, 0.00000000E+00/
3604  ! DATA (GB( 5, 8,IC),IC=1,3) /
3605  ! S 0.76286839E+01, 0.71974319E+01, 0.10000000E+01/
3606
3607  ! ----- INTERVAL = 3 ----- T =  250.0
3608
3609  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3610  ! DATA (GA( 6, 7,IC),IC=1,3) /
3611  ! S 0.82685838E+01, 0.73239981E+01, 0.00000000E+00/
3612  ! DATA (GB( 6, 7,IC),IC=1,3) /
3613  ! S 0.82685838E+01, 0.75182174E+01, 0.10000000E+01/
3614  ! DATA (GA( 6, 8,IC),IC=1,3) /
3615  ! S 0.73477879E+01, 0.68442532E+01, 0.00000000E+00/
3616  ! DATA (GB( 6, 8,IC),IC=1,3) /
3617  ! S 0.73477879E+01, 0.70408543E+01, 0.10000000E+01/
3618
3619  ! ----- INTERVAL = 3 ----- T =  262.5
3620
3621  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3622  ! DATA (GA( 7, 7,IC),IC=1,3) /
3623  ! S 0.79978921E+01, 0.71929934E+01, 0.00000000E+00/
3624  ! DATA (GB( 7, 7,IC),IC=1,3) /
3625  ! S 0.79978921E+01, 0.73878952E+01, 0.10000000E+01/
3626  ! DATA (GA( 7, 8,IC),IC=1,3) /
3627  ! S 0.71035818E+01, 0.66987996E+01, 0.00000000E+00/
3628  ! DATA (GB( 7, 8,IC),IC=1,3) /
3629  ! S 0.71035818E+01, 0.68960649E+01, 0.10000000E+01/
3630
3631  ! ----- INTERVAL = 3 ----- T =  275.0
3632
3633  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3634  ! DATA (GA( 8, 7,IC),IC=1,3) /
3635  ! S 0.77568055E+01, 0.70697065E+01, 0.00000000E+00/
3636  ! DATA (GB( 8, 7,IC),IC=1,3) /
3637  ! S 0.77568055E+01, 0.72652133E+01, 0.10000000E+01/
3638  ! DATA (GA( 8, 8,IC),IC=1,3) /
3639  ! S 0.68903312E+01, 0.65644820E+01, 0.00000000E+00/
3640  ! DATA (GB( 8, 8,IC),IC=1,3) /
3641  ! S 0.68903312E+01, 0.67623672E+01, 0.10000000E+01/
3642
3643  ! ----- INTERVAL = 3 ----- T =  287.5
3644
3645  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3646  ! DATA (GA( 9, 7,IC),IC=1,3) /
3647  ! S 0.75416266E+01, 0.69539626E+01, 0.00000000E+00/
3648  ! DATA (GB( 9, 7,IC),IC=1,3) /
3649  ! S 0.75416266E+01, 0.71500151E+01, 0.10000000E+01/
3650  ! DATA (GA( 9, 8,IC),IC=1,3) /
3651  ! S 0.67032875E+01, 0.64405267E+01, 0.00000000E+00/
3652  ! DATA (GB( 9, 8,IC),IC=1,3) /
3653  ! S 0.67032875E+01, 0.66389989E+01, 0.10000000E+01/
3654
3655  ! ----- INTERVAL = 3 ----- T =  300.0
3656
3657  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3658  ! DATA (GA(10, 7,IC),IC=1,3) /
3659  ! S 0.73491694E+01, 0.68455144E+01, 0.00000000E+00/
3660  ! DATA (GB(10, 7,IC),IC=1,3) /
3661  ! S 0.73491694E+01, 0.70420667E+01, 0.10000000E+01/
3662  ! DATA (GA(10, 8,IC),IC=1,3) /
3663  ! S 0.65386461E+01, 0.63262376E+01, 0.00000000E+00/
3664  ! DATA (GB(10, 8,IC),IC=1,3) /
3665  ! S 0.65386461E+01, 0.65252707E+01, 0.10000000E+01/
3666
3667  ! ----- INTERVAL = 3 ----- T =  312.5
3668
3669  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3670  ! DATA (GA(11, 7,IC),IC=1,3) /
3671  ! S 0.71767400E+01, 0.67441020E+01, 0.00000000E+00/
3672  ! DATA (GB(11, 7,IC),IC=1,3) /
3673  ! S 0.71767400E+01, 0.69411177E+01, 0.10000000E+01/
3674  ! DATA (GA(11, 8,IC),IC=1,3) /
3675  ! S 0.63934377E+01, 0.62210701E+01, 0.00000000E+00/
3676  ! DATA (GB(11, 8,IC),IC=1,3) /
3677  ! S 0.63934377E+01, 0.64206412E+01, 0.10000000E+01/
3678
3679
3680  ! -- WATER VAPOR -- 970-1110 CM-1 ----------------------------------------
3681
3682  ! -- G = 3.6E-03
3683
3684  ! ----- INTERVAL = 4 ----- T =  187.5
3685
3686  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3687  ! DATA (GA( 1, 9,IC),IC=1,3) /
3688  ! S 0.24870635E+02, 0.10542131E+02, 0.00000000E+00/
3689  ! DATA (GB( 1, 9,IC),IC=1,3) /
3690  ! S 0.24870635E+02, 0.10656640E+02, 0.10000000E+01/
3691  ! DATA (GA( 1,10,IC),IC=1,3) /
3692  ! S 0.24586283E+02, 0.10490353E+02, 0.00000000E+00/
3693  ! DATA (GB( 1,10,IC),IC=1,3) /
3694  ! S 0.24586283E+02, 0.10605856E+02, 0.10000000E+01/
3695
3696  ! ----- INTERVAL = 4 ----- T =  200.0
3697
3698  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3699  ! DATA (GA( 2, 9,IC),IC=1,3) /
3700  ! S 0.24725591E+02, 0.10515895E+02, 0.00000000E+00/
3701  ! DATA (GB( 2, 9,IC),IC=1,3) /
3702  ! S 0.24725591E+02, 0.10630910E+02, 0.10000000E+01/
3703  ! DATA (GA( 2,10,IC),IC=1,3) /
3704  ! S 0.24441465E+02, 0.10463512E+02, 0.00000000E+00/
3705  ! DATA (GB( 2,10,IC),IC=1,3) /
3706  ! S 0.24441465E+02, 0.10579514E+02, 0.10000000E+01/
3707
3708  ! ----- INTERVAL = 4 ----- T =  212.5
3709
3710  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3711  ! DATA (GA( 3, 9,IC),IC=1,3) /
3712  ! S 0.24600320E+02, 0.10492949E+02, 0.00000000E+00/
3713  ! DATA (GB( 3, 9,IC),IC=1,3) /
3714  ! S 0.24600320E+02, 0.10608399E+02, 0.10000000E+01/
3715  ! DATA (GA( 3,10,IC),IC=1,3) /
3716  ! S 0.24311657E+02, 0.10439183E+02, 0.00000000E+00/
3717  ! DATA (GB( 3,10,IC),IC=1,3) /
3718  ! S 0.24311657E+02, 0.10555632E+02, 0.10000000E+01/
3719
3720  ! ----- INTERVAL = 4 ----- T =  225.0
3721
3722  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3723  ! DATA (GA( 4, 9,IC),IC=1,3) /
3724  ! S 0.24487300E+02, 0.10472049E+02, 0.00000000E+00/
3725  ! DATA (GB( 4, 9,IC),IC=1,3) /
3726  ! S 0.24487300E+02, 0.10587891E+02, 0.10000000E+01/
3727  ! DATA (GA( 4,10,IC),IC=1,3) /
3728  ! S 0.24196167E+02, 0.10417324E+02, 0.00000000E+00/
3729  ! DATA (GB( 4,10,IC),IC=1,3) /
3730  ! S 0.24196167E+02, 0.10534169E+02, 0.10000000E+01/
3731
3732  ! ----- INTERVAL = 4 ----- T =  237.5
3733
3734  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3735  ! DATA (GA( 5, 9,IC),IC=1,3) /
3736  ! S 0.24384935E+02, 0.10452961E+02, 0.00000000E+00/
3737  ! DATA (GB( 5, 9,IC),IC=1,3) /
3738  ! S 0.24384935E+02, 0.10569156E+02, 0.10000000E+01/
3739  ! DATA (GA( 5,10,IC),IC=1,3) /
3740  ! S 0.24093406E+02, 0.10397704E+02, 0.00000000E+00/
3741  ! DATA (GB( 5,10,IC),IC=1,3) /
3742  ! S 0.24093406E+02, 0.10514900E+02, 0.10000000E+01/
3743
3744  ! ----- INTERVAL = 4 ----- T =  250.0
3745
3746  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3747  ! DATA (GA( 6, 9,IC),IC=1,3) /
3748  ! S 0.24292341E+02, 0.10435562E+02, 0.00000000E+00/
3749  ! DATA (GB( 6, 9,IC),IC=1,3) /
3750  ! S 0.24292341E+02, 0.10552075E+02, 0.10000000E+01/
3751  ! DATA (GA( 6,10,IC),IC=1,3) /
3752  ! S 0.24001597E+02, 0.10380038E+02, 0.00000000E+00/
3753  ! DATA (GB( 6,10,IC),IC=1,3) /
3754  ! S 0.24001597E+02, 0.10497547E+02, 0.10000000E+01/
3755
3756  ! ----- INTERVAL = 4 ----- T =  262.5
3757
3758  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3759  ! DATA (GA( 7, 9,IC),IC=1,3) /
3760  ! S 0.24208572E+02, 0.10419710E+02, 0.00000000E+00/
3761  ! DATA (GB( 7, 9,IC),IC=1,3) /
3762  ! S 0.24208572E+02, 0.10536510E+02, 0.10000000E+01/
3763  ! DATA (GA( 7,10,IC),IC=1,3) /
3764  ! S 0.23919098E+02, 0.10364052E+02, 0.00000000E+00/
3765  ! DATA (GB( 7,10,IC),IC=1,3) /
3766  ! S 0.23919098E+02, 0.10481842E+02, 0.10000000E+01/
3767
3768  ! ----- INTERVAL = 4 ----- T =  275.0
3769
3770  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3771  ! DATA (GA( 8, 9,IC),IC=1,3) /
3772  ! S 0.24132642E+02, 0.10405247E+02, 0.00000000E+00/
3773  ! DATA (GB( 8, 9,IC),IC=1,3) /
3774  ! S 0.24132642E+02, 0.10522307E+02, 0.10000000E+01/
3775  ! DATA (GA( 8,10,IC),IC=1,3) /
3776  ! S 0.23844511E+02, 0.10349509E+02, 0.00000000E+00/
3777  ! DATA (GB( 8,10,IC),IC=1,3) /
3778  ! S 0.23844511E+02, 0.10467553E+02, 0.10000000E+01/
3779
3780  ! ----- INTERVAL = 4 ----- T =  287.5
3781
3782  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3783  ! DATA (GA( 9, 9,IC),IC=1,3) /
3784  ! S 0.24063614E+02, 0.10392022E+02, 0.00000000E+00/
3785  ! DATA (GB( 9, 9,IC),IC=1,3) /
3786  ! S 0.24063614E+02, 0.10509317E+02, 0.10000000E+01/
3787  ! DATA (GA( 9,10,IC),IC=1,3) /
3788  ! S 0.23776708E+02, 0.10336215E+02, 0.00000000E+00/
3789  ! DATA (GB( 9,10,IC),IC=1,3) /
3790  ! S 0.23776708E+02, 0.10454488E+02, 0.10000000E+01/
3791
3792  ! ----- INTERVAL = 4 ----- T =  300.0
3793
3794  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3795  ! DATA (GA(10, 9,IC),IC=1,3) /
3796  ! S 0.24000649E+02, 0.10379892E+02, 0.00000000E+00/
3797  ! DATA (GB(10, 9,IC),IC=1,3) /
3798  ! S 0.24000649E+02, 0.10497402E+02, 0.10000000E+01/
3799  ! DATA (GA(10,10,IC),IC=1,3) /
3800  ! S 0.23714816E+02, 0.10324018E+02, 0.00000000E+00/
3801  ! DATA (GB(10,10,IC),IC=1,3) /
3802  ! S 0.23714816E+02, 0.10442501E+02, 0.10000000E+01/
3803
3804  ! ----- INTERVAL = 4 ----- T =  312.5
3805
3806  ! -- INDICES FOR PADE APPROXIMATION     1   28   37   45
3807  ! DATA (GA(11, 9,IC),IC=1,3) /
3808  ! S 0.23943021E+02, 0.10368736E+02, 0.00000000E+00/
3809  ! DATA (GB(11, 9,IC),IC=1,3) /
3810  ! S 0.23943021E+02, 0.10486443E+02, 0.10000000E+01/
3811  ! DATA (GA(11,10,IC),IC=1,3) /
3812  ! S 0.23658197E+02, 0.10312808E+02, 0.00000000E+00/
3813  ! DATA (GB(11,10,IC),IC=1,3) /
3814  ! S 0.23658197E+02, 0.10431483E+02, 0.10000000E+01/
3815
3816
3817
3818  ! -- H2O -- WEAKER PARTS OF THE STRONG BANDS  -- FROM ABS225 ----
3819
3820  ! -- WATER VAPOR --- 350 - 500 CM-1
3821
3822  ! -- G = - 0.2*SLA, 0.0 +0.5/(1+0.5U)
3823
3824  ! ----- INTERVAL = 5 ----- T =  187.5
3825
3826  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3827  ! DATA (GA( 1, 5,IC),IC=1,3) /
3828  ! S 0.15750172E+00,-0.22159303E-01, 0.00000000E+00/
3829  ! DATA (GB( 1, 5,IC),IC=1,3) /
3830  ! S 0.15750172E+00, 0.38103212E+00, 0.10000000E+01/
3831  ! DATA (GA( 1, 6,IC),IC=1,3) /
3832  ! S 0.17770551E+00,-0.24972399E-01, 0.00000000E+00/
3833  ! DATA (GB( 1, 6,IC),IC=1,3) /
3834  ! S 0.17770551E+00, 0.41646579E+00, 0.10000000E+01/
3835
3836  ! ----- INTERVAL = 5 ----- T =  200.0
3837
3838  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3839  ! DATA (GA( 2, 5,IC),IC=1,3) /
3840  ! S 0.16174076E+00,-0.22748917E-01, 0.00000000E+00/
3841  ! DATA (GB( 2, 5,IC),IC=1,3) /
3842  ! S 0.16174076E+00, 0.38913800E+00, 0.10000000E+01/
3843  ! DATA (GA( 2, 6,IC),IC=1,3) /
3844  ! S 0.18176757E+00,-0.25537247E-01, 0.00000000E+00/
3845  ! DATA (GB( 2, 6,IC),IC=1,3) /
3846  ! S 0.18176757E+00, 0.42345095E+00, 0.10000000E+01/
3847
3848  ! ----- INTERVAL = 5 ----- T =  212.5
3849
3850  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3851  ! DATA (GA( 3, 5,IC),IC=1,3) /
3852  ! S 0.16548628E+00,-0.23269898E-01, 0.00000000E+00/
3853  ! DATA (GB( 3, 5,IC),IC=1,3) /
3854  ! S 0.16548628E+00, 0.39613651E+00, 0.10000000E+01/
3855  ! DATA (GA( 3, 6,IC),IC=1,3) /
3856  ! S 0.18527967E+00,-0.26025624E-01, 0.00000000E+00/
3857  ! DATA (GB( 3, 6,IC),IC=1,3) /
3858  ! S 0.18527967E+00, 0.42937476E+00, 0.10000000E+01/
3859
3860  ! ----- INTERVAL = 5 ----- T =  225.0
3861
3862  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3863  ! DATA (GA( 4, 5,IC),IC=1,3) /
3864  ! S 0.16881124E+00,-0.23732392E-01, 0.00000000E+00/
3865  ! DATA (GB( 4, 5,IC),IC=1,3) /
3866  ! S 0.16881124E+00, 0.40222421E+00, 0.10000000E+01/
3867  ! DATA (GA( 4, 6,IC),IC=1,3) /
3868  ! S 0.18833348E+00,-0.26450280E-01, 0.00000000E+00/
3869  ! DATA (GB( 4, 6,IC),IC=1,3) /
3870  ! S 0.18833348E+00, 0.43444062E+00, 0.10000000E+01/
3871
3872  ! ----- INTERVAL = 5 ----- T =  237.5
3873
3874  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3875  ! DATA (GA( 5, 5,IC),IC=1,3) /
3876  ! S 0.17177839E+00,-0.24145123E-01, 0.00000000E+00/
3877  ! DATA (GB( 5, 5,IC),IC=1,3) /
3878  ! S 0.17177839E+00, 0.40756010E+00, 0.10000000E+01/
3879  ! DATA (GA( 5, 6,IC),IC=1,3) /
3880  ! S 0.19100108E+00,-0.26821236E-01, 0.00000000E+00/
3881  ! DATA (GB( 5, 6,IC),IC=1,3) /
3882  ! S 0.19100108E+00, 0.43880316E+00, 0.10000000E+01/
3883
3884  ! ----- INTERVAL = 5 ----- T =  250.0
3885
3886  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3887  ! DATA (GA( 6, 5,IC),IC=1,3) /
3888  ! S 0.17443933E+00,-0.24515269E-01, 0.00000000E+00/
3889  ! DATA (GB( 6, 5,IC),IC=1,3) /
3890  ! S 0.17443933E+00, 0.41226954E+00, 0.10000000E+01/
3891  ! DATA (GA( 6, 6,IC),IC=1,3) /
3892  ! S 0.19334122E+00,-0.27146657E-01, 0.00000000E+00/
3893  ! DATA (GB( 6, 6,IC),IC=1,3) /
3894  ! S 0.19334122E+00, 0.44258354E+00, 0.10000000E+01/
3895
3896  ! ----- INTERVAL = 5 ----- T =  262.5
3897
3898  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3899  ! DATA (GA( 7, 5,IC),IC=1,3) /
3900  ! S 0.17683622E+00,-0.24848690E-01, 0.00000000E+00/
3901  ! DATA (GB( 7, 5,IC),IC=1,3) /
3902  ! S 0.17683622E+00, 0.41645142E+00, 0.10000000E+01/
3903  ! DATA (GA( 7, 6,IC),IC=1,3) /
3904  ! S 0.19540288E+00,-0.27433354E-01, 0.00000000E+00/
3905  ! DATA (GB( 7, 6,IC),IC=1,3) /
3906  ! S 0.19540288E+00, 0.44587882E+00, 0.10000000E+01/
3907
3908  ! ----- INTERVAL = 5 ----- T =  275.0
3909
3910  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3911  ! DATA (GA( 8, 5,IC),IC=1,3) /
3912  ! S 0.17900375E+00,-0.25150210E-01, 0.00000000E+00/
3913  ! DATA (GB( 8, 5,IC),IC=1,3) /
3914  ! S 0.17900375E+00, 0.42018474E+00, 0.10000000E+01/
3915  ! DATA (GA( 8, 6,IC),IC=1,3) /
3916  ! S 0.19722732E+00,-0.27687065E-01, 0.00000000E+00/
3917  ! DATA (GB( 8, 6,IC),IC=1,3) /
3918  ! S 0.19722732E+00, 0.44876776E+00, 0.10000000E+01/
3919
3920  ! ----- INTERVAL = 5 ----- T =  287.5
3921
3922  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3923  ! DATA (GA( 9, 5,IC),IC=1,3) /
3924  ! S 0.18097099E+00,-0.25423873E-01, 0.00000000E+00/
3925  ! DATA (GB( 9, 5,IC),IC=1,3) /
3926  ! S 0.18097099E+00, 0.42353379E+00, 0.10000000E+01/
3927  ! DATA (GA( 9, 6,IC),IC=1,3) /
3928  ! S 0.19884918E+00,-0.27912608E-01, 0.00000000E+00/
3929  ! DATA (GB( 9, 6,IC),IC=1,3) /
3930  ! S 0.19884918E+00, 0.45131451E+00, 0.10000000E+01/
3931
3932  ! ----- INTERVAL = 5 ----- T =  300.0
3933
3934  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3935  ! DATA (GA(10, 5,IC),IC=1,3) /
3936  ! S 0.18276283E+00,-0.25673139E-01, 0.00000000E+00/
3937  ! DATA (GB(10, 5,IC),IC=1,3) /
3938  ! S 0.18276283E+00, 0.42655211E+00, 0.10000000E+01/
3939  ! DATA (GA(10, 6,IC),IC=1,3) /
3940  ! S 0.20029696E+00,-0.28113944E-01, 0.00000000E+00/
3941  ! DATA (GB(10, 6,IC),IC=1,3) /
3942  ! S 0.20029696E+00, 0.45357095E+00, 0.10000000E+01/
3943
3944  ! ----- INTERVAL = 5 ----- T =  312.5
3945
3946  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3947  ! DATA (GA(11, 5,IC),IC=1,3) /
3948  ! S 0.18440117E+00,-0.25901055E-01, 0.00000000E+00/
3949  ! DATA (GB(11, 5,IC),IC=1,3) /
3950  ! S 0.18440117E+00, 0.42928533E+00, 0.10000000E+01/
3951  ! DATA (GA(11, 6,IC),IC=1,3) /
3952  ! S 0.20159300E+00,-0.28294180E-01, 0.00000000E+00/
3953  ! DATA (GB(11, 6,IC),IC=1,3) /
3954  ! S 0.20159300E+00, 0.45557797E+00, 0.10000000E+01/
3955
3956
3957
3958
3959  ! - WATER VAPOR - WINGS OF VIBRATION-ROTATION BAND - 1250-1450+1880-2820 -
3960  ! --- G = 0.0
3961
3962
3963  ! ----- INTERVAL = 6 ----- T =  187.5
3964
3965  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3966  ! DATA (GA( 1,11,IC),IC=1,3) /
3967  ! S 0.11990218E+02,-0.12823142E+01, 0.00000000E+00/
3968  ! DATA (GB( 1,11,IC),IC=1,3) /
3969  ! S 0.11990218E+02, 0.26681588E+02, 0.10000000E+01/
3970  ! DATA (GA( 1,12,IC),IC=1,3) /
3971  ! S 0.79709806E+01,-0.74805226E+00, 0.00000000E+00/
3972  ! DATA (GB( 1,12,IC),IC=1,3) /
3973  ! S 0.79709806E+01, 0.18377807E+02, 0.10000000E+01/
3974
3975  ! ----- INTERVAL = 6 ----- T =  200.0
3976
3977  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3978  ! DATA (GA( 2,11,IC),IC=1,3) /
3979  ! S 0.10904073E+02,-0.10571588E+01, 0.00000000E+00/
3980  ! DATA (GB( 2,11,IC),IC=1,3) /
3981  ! S 0.10904073E+02, 0.24728346E+02, 0.10000000E+01/
3982  ! DATA (GA( 2,12,IC),IC=1,3) /
3983  ! S 0.75400737E+01,-0.56252739E+00, 0.00000000E+00/
3984  ! DATA (GB( 2,12,IC),IC=1,3) /
3985  ! S 0.75400737E+01, 0.17643148E+02, 0.10000000E+01/
3986
3987  ! ----- INTERVAL = 6 ----- T =  212.5
3988
3989  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
3990  ! DATA (GA( 3,11,IC),IC=1,3) /
3991  ! S 0.89126838E+01,-0.74864953E+00, 0.00000000E+00/
3992  ! DATA (GB( 3,11,IC),IC=1,3) /
3993  ! S 0.89126838E+01, 0.20551342E+02, 0.10000000E+01/
3994  ! DATA (GA( 3,12,IC),IC=1,3) /
3995  ! S 0.81804377E+01,-0.46188072E+00, 0.00000000E+00/
3996  ! DATA (GB( 3,12,IC),IC=1,3) /
3997  ! S 0.81804377E+01, 0.19296161E+02, 0.10000000E+01/
3998
3999  ! ----- INTERVAL = 6 ----- T =  225.0
4000
4001  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
4002  ! DATA (GA( 4,11,IC),IC=1,3) /
4003  ! S 0.85622405E+01,-0.58705980E+00, 0.00000000E+00/
4004  ! DATA (GB( 4,11,IC),IC=1,3) /
4005  ! S 0.85622405E+01, 0.19955244E+02, 0.10000000E+01/
4006  ! DATA (GA( 4,12,IC),IC=1,3) /
4007  ! S 0.10564339E+02,-0.40712065E+00, 0.00000000E+00/
4008  ! DATA (GB( 4,12,IC),IC=1,3) /
4009  ! S 0.10564339E+02, 0.24951120E+02, 0.10000000E+01/
4010
4011  ! ----- INTERVAL = 6 ----- T =  237.5
4012
4013  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
4014  ! DATA (GA( 5,11,IC),IC=1,3) /
4015  ! S 0.94892164E+01,-0.49305772E+00, 0.00000000E+00/
4016  ! DATA (GB( 5,11,IC),IC=1,3) /
4017  ! S 0.94892164E+01, 0.22227100E+02, 0.10000000E+01/
4018  ! DATA (GA( 5,12,IC),IC=1,3) /
4019  ! S 0.46896789E+02,-0.15295996E+01, 0.00000000E+00/
4020  ! DATA (GB( 5,12,IC),IC=1,3) /
4021  ! S 0.46896789E+02, 0.10957372E+03, 0.10000000E+01/
4022
4023  ! ----- INTERVAL = 6 ----- T =  250.0
4024
4025  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
4026  ! DATA (GA( 6,11,IC),IC=1,3) /
4027  ! S 0.13580937E+02,-0.51461431E+00, 0.00000000E+00/
4028  ! DATA (GB( 6,11,IC),IC=1,3) /
4029  ! S 0.13580937E+02, 0.31770288E+02, 0.10000000E+01/
4030  ! DATA (GA( 6,12,IC),IC=1,3) /
4031  ! S-0.30926524E+01, 0.43555255E+00, 0.00000000E+00/
4032  ! DATA (GB( 6,12,IC),IC=1,3) /
4033  ! S-0.30926524E+01,-0.67432659E+01, 0.10000000E+01/
4034
4035  ! ----- INTERVAL = 6 ----- T =  262.5
4036
4037  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
4038  ! DATA (GA( 7,11,IC),IC=1,3) /
4039  ! S-0.32050918E+03, 0.12373350E+02, 0.00000000E+00/
4040  ! DATA (GB( 7,11,IC),IC=1,3) /
4041  ! S-0.32050918E+03,-0.74061287E+03, 0.10000000E+01/
4042  ! DATA (GA( 7,12,IC),IC=1,3) /
4043  ! S 0.85742941E+00, 0.50380874E+00, 0.00000000E+00/
4044  ! DATA (GB( 7,12,IC),IC=1,3) /
4045  ! S 0.85742941E+00, 0.24550746E+01, 0.10000000E+01/
4046
4047  ! ----- INTERVAL = 6 ----- T =  275.0
4048
4049  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
4050  ! DATA (GA( 8,11,IC),IC=1,3) /
4051  ! S-0.37133165E+01, 0.44809588E+00, 0.00000000E+00/
4052  ! DATA (GB( 8,11,IC),IC=1,3) /
4053  ! S-0.37133165E+01,-0.81329826E+01, 0.10000000E+01/
4054  ! DATA (GA( 8,12,IC),IC=1,3) /
4055  ! S 0.19164038E+01, 0.68537352E+00, 0.00000000E+00/
4056  ! DATA (GB( 8,12,IC),IC=1,3) /
4057  ! S 0.19164038E+01, 0.49089917E+01, 0.10000000E+01/
4058
4059  ! ----- INTERVAL = 6 ----- T =  287.5
4060
4061  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
4062  ! DATA (GA( 9,11,IC),IC=1,3) /
4063  ! S 0.18890836E+00, 0.46548918E+00, 0.00000000E+00/
4064  ! DATA (GB( 9,11,IC),IC=1,3) /
4065  ! S 0.18890836E+00, 0.90279822E+00, 0.10000000E+01/
4066  ! DATA (GA( 9,12,IC),IC=1,3) /
4067  ! S 0.23513199E+01, 0.89437630E+00, 0.00000000E+00/
4068  ! DATA (GB( 9,12,IC),IC=1,3) /
4069  ! S 0.23513199E+01, 0.59008712E+01, 0.10000000E+01/
4070
4071  ! ----- INTERVAL = 6 ----- T =  300.0
4072
4073  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
4074  ! DATA (GA(10,11,IC),IC=1,3) /
4075  ! S 0.14209226E+01, 0.59121475E+00, 0.00000000E+00/
4076  ! DATA (GB(10,11,IC),IC=1,3) /
4077  ! S 0.14209226E+01, 0.37532746E+01, 0.10000000E+01/
4078  ! DATA (GA(10,12,IC),IC=1,3) /
4079  ! S 0.25566644E+01, 0.11127003E+01, 0.00000000E+00/
4080  ! DATA (GB(10,12,IC),IC=1,3) /
4081  ! S 0.25566644E+01, 0.63532616E+01, 0.10000000E+01/
4082
4083  ! ----- INTERVAL = 6 ----- T =  312.5
4084
4085  ! -- INDICES FOR PADE APPROXIMATION   1 35 40 45
4086  ! DATA (GA(11,11,IC),IC=1,3) /
4087  ! S 0.19817679E+01, 0.74676119E+00, 0.00000000E+00/
4088  ! DATA (GB(11,11,IC),IC=1,3) /
4089  ! S 0.19817679E+01, 0.50437916E+01, 0.10000000E+01/
4090  ! DATA (GA(11,12,IC),IC=1,3) /
4091  ! S 0.26555181E+01, 0.13329782E+01, 0.00000000E+00/
4092  ! DATA (GB(11,12,IC),IC=1,3) /
4093  ! S 0.26555181E+01, 0.65558627E+01, 0.10000000E+01/
4094
4095
4096
4097
4098
4099  ! -- END WATER VAPOR
4100
4101
4102  ! -- CO2 -- INT.2 -- 500-800 CM-1 --- FROM ABS225 ----------------------
4103
4104
4105
4106  ! -- FIU = 0.8 + MAX(0.35,(7-IU)*0.9)  , X/T,  9
4107
4108  ! ----- INTERVAL = 2 ----- T =  187.5
4109
4110  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4111  ! DATA (GA( 1,13,IC),IC=1,3) /
4112  ! S 0.87668459E-01, 0.13845511E+01, 0.00000000E+00/
4113  ! DATA (GB( 1,13,IC),IC=1,3) /
4114  ! S 0.87668459E-01, 0.23203798E+01, 0.10000000E+01/
4115  ! DATA (GA( 1,14,IC),IC=1,3) /
4116  ! S 0.74878820E-01, 0.11718758E+01, 0.00000000E+00/
4117  ! DATA (GB( 1,14,IC),IC=1,3) /
4118  ! S 0.74878820E-01, 0.20206726E+01, 0.10000000E+01/
4119
4120  ! ----- INTERVAL = 2 ----- T =  200.0
4121
4122  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4123  ! DATA (GA( 2,13,IC),IC=1,3) /
4124  ! S 0.83754276E-01, 0.13187042E+01, 0.00000000E+00/
4125  ! DATA (GB( 2,13,IC),IC=1,3) /
4126  ! S 0.83754276E-01, 0.22288925E+01, 0.10000000E+01/
4127  ! DATA (GA( 2,14,IC),IC=1,3) /
4128  ! S 0.71650966E-01, 0.11216131E+01, 0.00000000E+00/
4129  ! DATA (GB( 2,14,IC),IC=1,3) /
4130  ! S 0.71650966E-01, 0.19441824E+01, 0.10000000E+01/
4131
4132  ! ----- INTERVAL = 2 ----- T =  212.5
4133
4134  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4135  ! DATA (GA( 3,13,IC),IC=1,3) /
4136  ! S 0.80460283E-01, 0.12644396E+01, 0.00000000E+00/
4137  ! DATA (GB( 3,13,IC),IC=1,3) /
4138  ! S 0.80460283E-01, 0.21515593E+01, 0.10000000E+01/
4139  ! DATA (GA( 3,14,IC),IC=1,3) /
4140  ! S 0.68979615E-01, 0.10809473E+01, 0.00000000E+00/
4141  ! DATA (GB( 3,14,IC),IC=1,3) /
4142  ! S 0.68979615E-01, 0.18807257E+01, 0.10000000E+01/
4143
4144  ! ----- INTERVAL = 2 ----- T =  225.0
4145
4146  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4147  ! DATA (GA( 4,13,IC),IC=1,3) /
4148  ! S 0.77659686E-01, 0.12191543E+01, 0.00000000E+00/
4149  ! DATA (GB( 4,13,IC),IC=1,3) /
4150  ! S 0.77659686E-01, 0.20855896E+01, 0.10000000E+01/
4151  ! DATA (GA( 4,14,IC),IC=1,3) /
4152  ! S 0.66745345E-01, 0.10476396E+01, 0.00000000E+00/
4153  ! DATA (GB( 4,14,IC),IC=1,3) /
4154  ! S 0.66745345E-01, 0.18275618E+01, 0.10000000E+01/
4155
4156  ! ----- INTERVAL = 2 ----- T =  237.5
4157
4158  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4159  ! DATA (GA( 5,13,IC),IC=1,3) /
4160  ! S 0.75257056E-01, 0.11809511E+01, 0.00000000E+00/
4161  ! DATA (GB( 5,13,IC),IC=1,3) /
4162  ! S 0.75257056E-01, 0.20288489E+01, 0.10000000E+01/
4163  ! DATA (GA( 5,14,IC),IC=1,3) /
4164  ! S 0.64857571E-01, 0.10200373E+01, 0.00000000E+00/
4165  ! DATA (GB( 5,14,IC),IC=1,3) /
4166  ! S 0.64857571E-01, 0.17825910E+01, 0.10000000E+01/
4167
4168  ! ----- INTERVAL = 2 ----- T =  250.0
4169
4170  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4171  ! DATA (GA( 6,13,IC),IC=1,3) /
4172  ! S 0.73179175E-01, 0.11484154E+01, 0.00000000E+00/
4173  ! DATA (GB( 6,13,IC),IC=1,3) /
4174  ! S 0.73179175E-01, 0.19796791E+01, 0.10000000E+01/
4175  ! DATA (GA( 6,14,IC),IC=1,3) /
4176  ! S 0.63248495E-01, 0.99692726E+00, 0.00000000E+00/
4177  ! DATA (GB( 6,14,IC),IC=1,3) /
4178  ! S 0.63248495E-01, 0.17442308E+01, 0.10000000E+01/
4179
4180  ! ----- INTERVAL = 2 ----- T =  262.5
4181
4182  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4183  ! DATA (GA( 7,13,IC),IC=1,3) /
4184  ! S 0.71369063E-01, 0.11204723E+01, 0.00000000E+00/
4185  ! DATA (GB( 7,13,IC),IC=1,3) /
4186  ! S 0.71369063E-01, 0.19367778E+01, 0.10000000E+01/
4187  ! DATA (GA( 7,14,IC),IC=1,3) /
4188  ! S 0.61866970E-01, 0.97740923E+00, 0.00000000E+00/
4189  ! DATA (GB( 7,14,IC),IC=1,3) /
4190  ! S 0.61866970E-01, 0.17112809E+01, 0.10000000E+01/
4191
4192  ! ----- INTERVAL = 2 ----- T =  275.0
4193
4194  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4195  ! DATA (GA( 8,13,IC),IC=1,3) /
4196  ! S 0.69781812E-01, 0.10962918E+01, 0.00000000E+00/
4197  ! DATA (GB( 8,13,IC),IC=1,3) /
4198  ! S 0.69781812E-01, 0.18991112E+01, 0.10000000E+01/
4199  ! DATA (GA( 8,14,IC),IC=1,3) /
4200  ! S 0.60673632E-01, 0.96080188E+00, 0.00000000E+00/
4201  ! DATA (GB( 8,14,IC),IC=1,3) /
4202  ! S 0.60673632E-01, 0.16828137E+01, 0.10000000E+01/
4203
4204  ! ----- INTERVAL = 2 ----- T =  287.5
4205
4206  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4207  ! DATA (GA( 9,13,IC),IC=1,3) /
4208  ! S 0.68381606E-01, 0.10752229E+01, 0.00000000E+00/
4209  ! DATA (GB( 9,13,IC),IC=1,3) /
4210  ! S 0.68381606E-01, 0.18658501E+01, 0.10000000E+01/
4211  ! DATA (GA( 9,14,IC),IC=1,3) /
4212  ! S 0.59637277E-01, 0.94657562E+00, 0.00000000E+00/
4213  ! DATA (GB( 9,14,IC),IC=1,3) /
4214  ! S 0.59637277E-01, 0.16580908E+01, 0.10000000E+01/
4215
4216  ! ----- INTERVAL = 2 ----- T =  300.0
4217
4218  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4219  ! DATA (GA(10,13,IC),IC=1,3) /
4220  ! S 0.67139539E-01, 0.10567474E+01, 0.00000000E+00/
4221  ! DATA (GB(10,13,IC),IC=1,3) /
4222  ! S 0.67139539E-01, 0.18363226E+01, 0.10000000E+01/
4223  ! DATA (GA(10,14,IC),IC=1,3) /
4224  ! S 0.58732178E-01, 0.93430511E+00, 0.00000000E+00/
4225  ! DATA (GB(10,14,IC),IC=1,3) /
4226  ! S 0.58732178E-01, 0.16365014E+01, 0.10000000E+01/
4227
4228  ! ----- INTERVAL = 2 ----- T =  312.5
4229
4230  ! -- INDICES FOR PADE APPROXIMATION   1 30 38 45
4231  ! DATA (GA(11,13,IC),IC=1,3) /
4232  ! S 0.66032012E-01, 0.10404465E+01, 0.00000000E+00/
4233  ! DATA (GB(11,13,IC),IC=1,3) /
4234  ! S 0.66032012E-01, 0.18099779E+01, 0.10000000E+01/
4235  ! DATA (GA(11,14,IC),IC=1,3) /
4236  ! S 0.57936092E-01, 0.92363528E+00, 0.00000000E+00/
4237  ! DATA (GB(11,14,IC),IC=1,3) /
4238  ! S 0.57936092E-01, 0.16175164E+01, 0.10000000E+01/
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249  ! -- CARBON DIOXIDE LINES IN THE WINDOW REGION (800-1250 CM-1)
4250
4251
4252  ! -- G = 0.0
4253
4254
4255  ! ----- INTERVAL = 4 ----- T =  187.5
4256
4257  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4258  ! DATA (GA( 1,15,IC),IC=1,3) /
4259  ! S 0.13230067E+02, 0.22042132E+02, 0.00000000E+00/
4260  ! DATA (GB( 1,15,IC),IC=1,3) /
4261  ! S 0.13230067E+02, 0.22051750E+02, 0.10000000E+01/
4262  ! DATA (GA( 1,16,IC),IC=1,3) /
4263  ! S 0.13183816E+02, 0.22169501E+02, 0.00000000E+00/
4264  ! DATA (GB( 1,16,IC),IC=1,3) /
4265  ! S 0.13183816E+02, 0.22178972E+02, 0.10000000E+01/
4266
4267  ! ----- INTERVAL = 4 ----- T =  200.0
4268
4269  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4270  ! DATA (GA( 2,15,IC),IC=1,3) /
4271  ! S 0.13213564E+02, 0.22107298E+02, 0.00000000E+00/
4272  ! DATA (GB( 2,15,IC),IC=1,3) /
4273  ! S 0.13213564E+02, 0.22116850E+02, 0.10000000E+01/
4274  ! DATA (GA( 2,16,IC),IC=1,3) /
4275  ! S 0.13189991E+02, 0.22270075E+02, 0.00000000E+00/
4276  ! DATA (GB( 2,16,IC),IC=1,3) /
4277  ! S 0.13189991E+02, 0.22279484E+02, 0.10000000E+01/
4278
4279  ! ----- INTERVAL = 4 ----- T =  212.5
4280
4281  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4282  ! DATA (GA( 3,15,IC),IC=1,3) /
4283  ! S 0.13209140E+02, 0.22180915E+02, 0.00000000E+00/
4284  ! DATA (GB( 3,15,IC),IC=1,3) /
4285  ! S 0.13209140E+02, 0.22190410E+02, 0.10000000E+01/
4286  ! DATA (GA( 3,16,IC),IC=1,3) /
4287  ! S 0.13209485E+02, 0.22379193E+02, 0.00000000E+00/
4288  ! DATA (GB( 3,16,IC),IC=1,3) /
4289  ! S 0.13209485E+02, 0.22388551E+02, 0.10000000E+01/
4290
4291  ! ----- INTERVAL = 4 ----- T =  225.0
4292
4293  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4294  ! DATA (GA( 4,15,IC),IC=1,3) /
4295  ! S 0.13213894E+02, 0.22259478E+02, 0.00000000E+00/
4296  ! DATA (GB( 4,15,IC),IC=1,3) /
4297  ! S 0.13213894E+02, 0.22268925E+02, 0.10000000E+01/
4298  ! DATA (GA( 4,16,IC),IC=1,3) /
4299  ! S 0.13238789E+02, 0.22492992E+02, 0.00000000E+00/
4300  ! DATA (GB( 4,16,IC),IC=1,3) /
4301  ! S 0.13238789E+02, 0.22502309E+02, 0.10000000E+01/
4302
4303  ! ----- INTERVAL = 4 ----- T =  237.5
4304
4305  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4306  ! DATA (GA( 5,15,IC),IC=1,3) /
4307  ! S 0.13225963E+02, 0.22341039E+02, 0.00000000E+00/
4308  ! DATA (GB( 5,15,IC),IC=1,3) /
4309  ! S 0.13225963E+02, 0.22350445E+02, 0.10000000E+01/
4310  ! DATA (GA( 5,16,IC),IC=1,3) /
4311  ! S 0.13275017E+02, 0.22608508E+02, 0.00000000E+00/
4312  ! DATA (GB( 5,16,IC),IC=1,3) /
4313  ! S 0.13275017E+02, 0.22617792E+02, 0.10000000E+01/
4314
4315  ! ----- INTERVAL = 4 ----- T =  250.0
4316
4317  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4318  ! DATA (GA( 6,15,IC),IC=1,3) /
4319  ! S 0.13243806E+02, 0.22424247E+02, 0.00000000E+00/
4320  ! DATA (GB( 6,15,IC),IC=1,3) /
4321  ! S 0.13243806E+02, 0.22433617E+02, 0.10000000E+01/
4322  ! DATA (GA( 6,16,IC),IC=1,3) /
4323  ! S 0.13316096E+02, 0.22723843E+02, 0.00000000E+00/
4324  ! DATA (GB( 6,16,IC),IC=1,3) /
4325  ! S 0.13316096E+02, 0.22733099E+02, 0.10000000E+01/
4326
4327  ! ----- INTERVAL = 4 ----- T =  262.5
4328
4329  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4330  ! DATA (GA( 7,15,IC),IC=1,3) /
4331  ! S 0.13266104E+02, 0.22508089E+02, 0.00000000E+00/
4332  ! DATA (GB( 7,15,IC),IC=1,3) /
4333  ! S 0.13266104E+02, 0.22517429E+02, 0.10000000E+01/
4334  ! DATA (GA( 7,16,IC),IC=1,3) /
4335  ! S 0.13360555E+02, 0.22837837E+02, 0.00000000E+00/
4336  ! DATA (GB( 7,16,IC),IC=1,3) /
4337  ! S 0.13360555E+02, 0.22847071E+02, 0.10000000E+01/
4338
4339  ! ----- INTERVAL = 4 ----- T =  275.0
4340
4341  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4342  ! DATA (GA( 8,15,IC),IC=1,3) /
4343  ! S 0.13291782E+02, 0.22591771E+02, 0.00000000E+00/
4344  ! DATA (GB( 8,15,IC),IC=1,3) /
4345  ! S 0.13291782E+02, 0.22601086E+02, 0.10000000E+01/
4346  ! DATA (GA( 8,16,IC),IC=1,3) /
4347  ! S 0.13407324E+02, 0.22949751E+02, 0.00000000E+00/
4348  ! DATA (GB( 8,16,IC),IC=1,3) /
4349  ! S 0.13407324E+02, 0.22958967E+02, 0.10000000E+01/
4350
4351  ! ----- INTERVAL = 4 ----- T =  287.5
4352
4353  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4354  ! DATA (GA( 9,15,IC),IC=1,3) /
4355  ! S 0.13319961E+02, 0.22674661E+02, 0.00000000E+00/
4356  ! DATA (GB( 9,15,IC),IC=1,3) /
4357  ! S 0.13319961E+02, 0.22683956E+02, 0.10000000E+01/
4358  ! DATA (GA( 9,16,IC),IC=1,3) /
4359  ! S 0.13455544E+02, 0.23059032E+02, 0.00000000E+00/
4360  ! DATA (GB( 9,16,IC),IC=1,3) /
4361  ! S 0.13455544E+02, 0.23068234E+02, 0.10000000E+01/
4362
4363  ! ----- INTERVAL = 4 ----- T =  300.0
4364
4365  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4366  ! DATA (GA(10,15,IC),IC=1,3) /
4367  ! S 0.13349927E+02, 0.22756246E+02, 0.00000000E+00/
4368  ! DATA (GB(10,15,IC),IC=1,3) /
4369  ! S 0.13349927E+02, 0.22765522E+02, 0.10000000E+01/
4370  ! DATA (GA(10,16,IC),IC=1,3) /
4371  ! S 0.13504450E+02, 0.23165146E+02, 0.00000000E+00/
4372  ! DATA (GB(10,16,IC),IC=1,3) /
4373  ! S 0.13504450E+02, 0.23174336E+02, 0.10000000E+01/
4374
4375  ! ----- INTERVAL = 4 ----- T =  312.5
4376
4377  ! -- INDICES FOR PADE APPROXIMATION     1   15   29   45
4378  ! DATA (GA(11,15,IC),IC=1,3) /
4379  ! S 0.13381108E+02, 0.22836093E+02, 0.00000000E+00/
4380  ! DATA (GB(11,15,IC),IC=1,3) /
4381  ! S 0.13381108E+02, 0.22845354E+02, 0.10000000E+01/
4382  ! DATA (GA(11,16,IC),IC=1,3) /
4383  ! S 0.13553282E+02, 0.23267456E+02, 0.00000000E+00/
4384  ! DATA (GB(11,16,IC),IC=1,3) /
4385  ! S 0.13553282E+02, 0.23276638E+02, 0.10000000E+01/
4386
4387  ! ------------------------------------------------------------------
4388  ! DATA (( XP(  J,K),J=1,6),       K=1,6) /
4389  ! S 0.46430621E+02, 0.12928299E+03, 0.20732648E+03,
4390  ! S 0.31398411E+03, 0.18373177E+03,-0.11412303E+03,
4391  ! S 0.73604774E+02, 0.27887914E+03, 0.27076947E+03,
4392  ! S-0.57322111E+02,-0.64742459E+02, 0.87238280E+02,
4393  ! S 0.37050866E+02, 0.20498759E+03, 0.37558029E+03,
4394  ! S 0.17401171E+03,-0.13350302E+03,-0.37651795E+02,
4395  ! S 0.14930141E+02, 0.89161160E+02, 0.17793062E+03,
4396  ! S 0.93433860E+02,-0.70646020E+02,-0.26373150E+02,
4397  ! S 0.40386780E+02, 0.10855270E+03, 0.50755010E+02,
4398  ! S-0.31496190E+02, 0.12791300E+00, 0.18017770E+01,
4399  ! S 0.90811926E+01, 0.75073923E+02, 0.24654438E+03,
4400  ! S 0.39332612E+03, 0.29385281E+03, 0.89107921E+02 /
4401
4402
4403
4404  ! *         1.0     PLANCK FUNCTIONS AND GRADIENTS
4405  ! ------------------------------
4406
4407
4408  ! cdir collapse
4409  DO jk = 1, kflev + 1
4410    DO jl = 1, kdlon
4411      pbint(jl, jk) = 0.
4412    END DO
4413  END DO
4414  DO jl = 1, kdlon
4415    pbsuin(jl) = 0.
4416  END DO
4417
4418  DO jnu = 1, ninter
4419
4420    ! *         1.1   LEVELS FROM SURFACE TO KFLEV
4421    ! ----------------------------
4422
4423
4424    DO jk = 1, kflev
4425      DO jl = 1, kdlon
4426        zti(jl) = (ptl(jl,jk)-tstand)/tstand
4427        zres(jl) = xp(1, jnu) + zti(jl)*(xp(2,jnu)+zti(jl)*(xp(3, &
4428          jnu)+zti(jl)*(xp(4,jnu)+zti(jl)*(xp(5,jnu)+zti(jl)*(xp(6,jnu))))))
4429        pbint(jl, jk) = pbint(jl, jk) + zres(jl)
4430        pb(jl, jnu, jk) = zres(jl)
4431        zblev(jl, jk) = zres(jl)
4432        zti2(jl) = (ptave(jl,jk)-tstand)/tstand
4433        zres2(jl) = xp(1, jnu) + zti2(jl)*(xp(2,jnu)+zti2(jl)*(xp(3, &
4434          jnu)+zti2(jl)*(xp(4,jnu)+zti2(jl)*(xp(5,jnu)+zti2(jl)*(xp(6,jnu)))) &
4435          ))
4436        zblay(jl, jk) = zres2(jl)
4437      END DO
4438    END DO
4439
4440    ! *         1.2   TOP OF THE ATMOSPHERE AND SURFACE
4441    ! ---------------------------------
4442
4443
4444    DO jl = 1, kdlon
4445      zti(jl) = (ptl(jl,kflev+1)-tstand)/tstand
4446      zti2(jl) = (ptl(jl,1)+pdt0(jl)-tstand)/tstand
4447      zres(jl) = xp(1, jnu) + zti(jl)*(xp(2,jnu)+zti(jl)*(xp(3, &
4448        jnu)+zti(jl)*(xp(4,jnu)+zti(jl)*(xp(5,jnu)+zti(jl)*(xp(6,jnu))))))
4449      zres2(jl) = xp(1, jnu) + zti2(jl)*(xp(2,jnu)+zti2(jl)*(xp(3, &
4450        jnu)+zti2(jl)*(xp(4,jnu)+zti2(jl)*(xp(5,jnu)+zti2(jl)*(xp(6,jnu))))))
4451      pbint(jl, kflev+1) = pbint(jl, kflev+1) + zres(jl)
4452      pb(jl, jnu, kflev+1) = zres(jl)
4453      zblev(jl, kflev+1) = zres(jl)
4454      pbtop(jl, jnu) = zres(jl)
4455      pbsur(jl, jnu) = zres2(jl)
4456      pbsuin(jl) = pbsuin(jl) + zres2(jl)
4457    END DO
4458
4459    ! *         1.3   GRADIENTS IN SUB-LAYERS
4460    ! -----------------------
4461
4462
4463    DO jk = 1, kflev
4464      jk2 = 2*jk
4465      jk1 = jk2 - 1
4466      DO jl = 1, kdlon
4467        pdbsl(jl, jnu, jk1) = zblay(jl, jk) - zblev(jl, jk)
4468        pdbsl(jl, jnu, jk2) = zblev(jl, jk+1) - zblay(jl, jk)
4469      END DO
4470    END DO
4471
4472  END DO
4473
4474  ! *         2.0   CHOOSE THE RELEVANT SETS OF PADE APPROXIMANTS
4475  ! ---------------------------------------------
4476
4477
4478
4479
4480  DO jl = 1, kdlon
4481    zdsto1 = (ptl(jl,kflev+1)-tintp(1))/tstp
4482    ixtox = max(1, min(mxixt,int(zdsto1+1.)))
4483    zdstox = (ptl(jl,kflev+1)-tintp(ixtox))/tstp
4484    IF (zdstox<0.5) THEN
4485      indto = ixtox
4486    ELSE
4487      indto = ixtox + 1
4488    END IF
4489    indb(jl) = indto
4490    zdst1 = (ptl(jl,1)-tintp(1))/tstp
4491    ixtx = max(1, min(mxixt,int(zdst1+1.)))
4492    zdstx = (ptl(jl,1)-tintp(ixtx))/tstp
4493    IF (zdstx<0.5) THEN
4494      indt = ixtx
4495    ELSE
4496      indt = ixtx + 1
4497    END IF
4498    inds(jl) = indt
4499  END DO
4500
4501  DO jf = 1, 2
4502    DO jg = 1, 8
4503      DO jl = 1, kdlon
4504        indsu = inds(jl)
4505        pgasur(jl, jg, jf) = ga(indsu, 2*jg-1, jf)
4506        pgbsur(jl, jg, jf) = gb(indsu, 2*jg-1, jf)
4507        indtp = indb(jl)
4508        pgatop(jl, jg, jf) = ga(indtp, 2*jg-1, jf)
4509        pgbtop(jl, jg, jf) = gb(indtp, 2*jg-1, jf)
4510      END DO
4511    END DO
4512  END DO
4513
4514  DO jk = 1, kflev
4515    DO jl = 1, kdlon
4516      zdst1 = (ptave(jl,jk)-tintp(1))/tstp
4517      ixtx = max(1, min(mxixt,int(zdst1+1.)))
4518      zdstx = (ptave(jl,jk)-tintp(ixtx))/tstp
4519      IF (zdstx<0.5) THEN
4520        indt = ixtx
4521      ELSE
4522        indt = ixtx + 1
4523      END IF
4524      indb(jl) = indt
4525    END DO
4526
4527    DO jf = 1, 2
4528      DO jg = 1, 8
4529        DO jl = 1, kdlon
4530          indt = indb(jl)
4531          pga(jl, jg, jf, jk) = ga(indt, 2*jg, jf)
4532          pgb(jl, jg, jf, jk) = gb(indt, 2*jg, jf)
4533        END DO
4534      END DO
4535    END DO
4536  END DO
4537
4538  ! ------------------------------------------------------------------
4539
4540  RETURN
4541END SUBROUTINE lwb_lmdar4
4542SUBROUTINE lwv_lmdar4(kuaer, ktraer, klim, pabcu, pb, pbint, pbsuin, pbsur, &
4543    pbtop, pdbsl, pemis, ppmb, ptave, pga, pgb, pgasur, pgbsur, pgatop, &
4544    pgbtop, pcntrb, pcts, pfluc)
4545USE raddimlw_mod_h
4546    USE dimphy
4547  USE yomcst_mod_h
4548IMPLICIT NONE
4549
4550
4551  ! -----------------------------------------------------------------------
4552  ! PURPOSE.
4553  ! --------
4554  ! CARRIES OUT THE VERTICAL INTEGRATION TO GIVE LONGWAVE
4555  ! FLUXES OR RADIANCES
4556
4557  ! METHOD.
4558  ! -------
4559
4560  ! 1. PERFORMS THE VERTICAL INTEGRATION DISTINGUISHING BETWEEN
4561  ! CONTRIBUTIONS BY -  THE NEARBY LAYERS
4562  ! -  THE DISTANT LAYERS
4563  ! -  THE BOUNDARY TERMS
4564  ! 2. COMPUTES THE CLEAR-SKY DOWNWARD AND UPWARD EMISSIVITIES.
4565
4566  ! REFERENCE.
4567  ! ----------
4568
4569  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
4570  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
4571
4572  ! AUTHOR.
4573  ! -------
4574  ! JEAN-JACQUES MORCRETTE  *ECMWF*
4575
4576  ! MODIFICATIONS.
4577  ! --------------
4578  ! ORIGINAL : 89-07-14
4579  ! -----------------------------------------------------------------------
4580
4581  ! * ARGUMENTS:
4582  INTEGER kuaer, ktraer, klim
4583
4584  REAL (KIND=8) pabcu(kdlon, nua, 3*kflev+1) ! EFFECTIVE ABSORBER AMOUNTS
4585  REAL (KIND=8) pb(kdlon, ninter, kflev+1) ! SPECTRAL HALF-LEVEL PLANCK FUNCTIONS
4586  REAL (KIND=8) pbint(kdlon, kflev+1) ! HALF-LEVEL PLANCK FUNCTIONS
4587  REAL (KIND=8) pbsur(kdlon, ninter) ! SURFACE SPECTRAL PLANCK FUNCTION
4588  REAL (KIND=8) pbsuin(kdlon) ! SURFACE PLANCK FUNCTION
4589  REAL (KIND=8) pbtop(kdlon, ninter) ! T.O.A. SPECTRAL PLANCK FUNCTION
4590  REAL (KIND=8) pdbsl(kdlon, ninter, kflev*2) ! SUB-LAYER PLANCK FUNCTION GRADIENT
4591  REAL (KIND=8) pemis(kdlon) ! SURFACE EMISSIVITY
4592  REAL (KIND=8) ppmb(kdlon, kflev+1) ! HALF-LEVEL PRESSURE (MB)
4593  REAL (KIND=8) ptave(kdlon, kflev) ! TEMPERATURE
4594  REAL (KIND=8) pga(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS
4595  REAL (KIND=8) pgb(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS
4596  REAL (KIND=8) pgasur(kdlon, 8, 2) ! PADE APPROXIMANTS
4597  REAL (KIND=8) pgbsur(kdlon, 8, 2) ! PADE APPROXIMANTS
4598  REAL (KIND=8) pgatop(kdlon, 8, 2) ! PADE APPROXIMANTS
4599  REAL (KIND=8) pgbtop(kdlon, 8, 2) ! PADE APPROXIMANTS
4600
4601  REAL (KIND=8) pcntrb(kdlon, kflev+1, kflev+1) ! CLEAR-SKY ENERGY EXCHANGE MATRIX
4602  REAL (KIND=8) pcts(kdlon, kflev) ! COOLING-TO-SPACE TERM
4603  REAL (KIND=8) pfluc(kdlon, 2, kflev+1) ! CLEAR-SKY RADIATIVE FLUXES
4604  ! -----------------------------------------------------------------------
4605  ! LOCAL VARIABLES:
4606  REAL (KIND=8) zadjd(kdlon, kflev+1)
4607  REAL (KIND=8) zadju(kdlon, kflev+1)
4608  REAL (KIND=8) zdbdt(kdlon, ninter, kflev)
4609  REAL (KIND=8) zdisd(kdlon, kflev+1)
4610  REAL (KIND=8) zdisu(kdlon, kflev+1)
4611
4612  INTEGER jk, jl
4613  ! -----------------------------------------------------------------------
4614
4615  DO jk = 1, kflev + 1
4616    DO jl = 1, kdlon
4617      zadjd(jl, jk) = 0.
4618      zadju(jl, jk) = 0.
4619      zdisd(jl, jk) = 0.
4620      zdisu(jl, jk) = 0.
4621    END DO
4622  END DO
4623
4624  DO jk = 1, kflev
4625    DO jl = 1, kdlon
4626      pcts(jl, jk) = 0.
4627    END DO
4628  END DO
4629
4630  ! * CONTRIBUTION FROM ADJACENT LAYERS
4631
4632  CALL lwvn_lmdar4(kuaer, ktraer, pabcu, pdbsl, pga, pgb, zadjd, zadju, &
4633    pcntrb, zdbdt)
4634  ! * CONTRIBUTION FROM DISTANT LAYERS
4635
4636  CALL lwvd_lmdar4(kuaer, ktraer, pabcu, zdbdt, pga, pgb, pcntrb, zdisd, &
4637    zdisu)
4638
4639  ! * EXCHANGE WITH THE BOUNDARIES
4640
4641  CALL lwvb_lmdar4(kuaer, ktraer, klim, pabcu, zadjd, zadju, pb, pbint, &
4642    pbsuin, pbsur, pbtop, zdisd, zdisu, pemis, ppmb, pga, pgb, pgasur, &
4643    pgbsur, pgatop, pgbtop, pcts, pfluc)
4644
4645
4646  RETURN
4647END SUBROUTINE lwv_lmdar4
4648SUBROUTINE lwvb_lmdar4(kuaer, ktraer, klim, pabcu, padjd, padju, pb, pbint, &
4649    pbsui, pbsur, pbtop, pdisd, pdisu, pemis, ppmb, pga, pgb, pgasur, pgbsur, &
4650    pgatop, pgbtop, pcts, pfluc)
4651USE radopt_mod_h
4652  USE raddimlw_mod_h
4653    USE dimphy
4654  IMPLICIT NONE
4655
4656  ! -----------------------------------------------------------------------
4657  ! PURPOSE.
4658  ! --------
4659  ! INTRODUCES THE EFFECTS OF THE BOUNDARIES IN THE VERTICAL
4660  ! INTEGRATION
4661
4662  ! METHOD.
4663  ! -------
4664
4665  ! 1. COMPUTES THE ENERGY EXCHANGE WITH TOP AND SURFACE OF THE
4666  ! ATMOSPHERE
4667  ! 2. COMPUTES THE COOLING-TO-SPACE AND HEATING-FROM-GROUND
4668  ! TERMS FOR THE APPROXIMATE COOLING RATE ABOVE 10 HPA
4669  ! 3. ADDS UP ALL CONTRIBUTIONS TO GET THE CLEAR-SKY FLUXES
4670
4671  ! REFERENCE.
4672  ! ----------
4673
4674  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
4675  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
4676
4677  ! AUTHOR.
4678  ! -------
4679  ! JEAN-JACQUES MORCRETTE  *ECMWF*
4680
4681  ! MODIFICATIONS.
4682  ! --------------
4683  ! ORIGINAL : 89-07-14
4684  ! Voigt lines (loop 2413 to 2427)  - JJM & PhD - 01/96
4685  ! -----------------------------------------------------------------------
4686
4687  ! *       0.1   ARGUMENTS
4688  ! ---------
4689
4690  INTEGER kuaer, ktraer, klim
4691
4692  REAL (KIND=8) pabcu(kdlon, nua, 3*kflev+1) ! ABSORBER AMOUNTS
4693  REAL (KIND=8) padjd(kdlon, kflev+1) ! CONTRIBUTION BY ADJACENT LAYERS
4694  REAL (KIND=8) padju(kdlon, kflev+1) ! CONTRIBUTION BY ADJACENT LAYERS
4695  REAL (KIND=8) pb(kdlon, ninter, kflev+1) ! SPECTRAL HALF-LEVEL PLANCK FUNCTIONS
4696  REAL (KIND=8) pbint(kdlon, kflev+1) ! HALF-LEVEL PLANCK FUNCTIONS
4697  REAL (KIND=8) pbsur(kdlon, ninter) ! SPECTRAL SURFACE PLANCK FUNCTION
4698  REAL (KIND=8) pbsui(kdlon) ! SURFACE PLANCK FUNCTION
4699  REAL (KIND=8) pbtop(kdlon, ninter) ! SPECTRAL T.O.A. PLANCK FUNCTION
4700  REAL (KIND=8) pdisd(kdlon, kflev+1) ! CONTRIBUTION BY DISTANT LAYERS
4701  REAL (KIND=8) pdisu(kdlon, kflev+1) ! CONTRIBUTION BY DISTANT LAYERS
4702  REAL (KIND=8) pemis(kdlon) ! SURFACE EMISSIVITY
4703  REAL (KIND=8) ppmb(kdlon, kflev+1) ! PRESSURE MB
4704  REAL (KIND=8) pga(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS
4705  REAL (KIND=8) pgb(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS
4706  REAL (KIND=8) pgasur(kdlon, 8, 2) ! SURFACE PADE APPROXIMANTS
4707  REAL (KIND=8) pgbsur(kdlon, 8, 2) ! SURFACE PADE APPROXIMANTS
4708  REAL (KIND=8) pgatop(kdlon, 8, 2) ! T.O.A. PADE APPROXIMANTS
4709  REAL (KIND=8) pgbtop(kdlon, 8, 2) ! T.O.A. PADE APPROXIMANTS
4710
4711  REAL (KIND=8) pfluc(kdlon, 2, kflev+1) ! CLEAR-SKY RADIATIVE FLUXES
4712  REAL (KIND=8) pcts(kdlon, kflev) ! COOLING-TO-SPACE TERM
4713
4714  ! * LOCAL VARIABLES:
4715
4716  REAL (KIND=8) zbgnd(kdlon)
4717  REAL (KIND=8) zfd(kdlon)
4718  REAL (KIND=8) zfn10(kdlon)
4719  REAL (KIND=8) zfu(kdlon)
4720  REAL (KIND=8) ztt(kdlon, ntra)
4721  REAL (KIND=8) ztt1(kdlon, ntra)
4722  REAL (KIND=8) ztt2(kdlon, ntra)
4723  REAL (KIND=8) zuu(kdlon, nua)
4724  REAL (KIND=8) zcnsol(kdlon)
4725  REAL (KIND=8) zcntop(kdlon)
4726
4727  INTEGER jk, jl, ja
4728  INTEGER jstra, jstru
4729  INTEGER ind1, ind2, ind3, ind4, in, jlim
4730  REAL (KIND=8) zctstr
4731
4732  ! -----------------------------------------------------------------------
4733
4734  ! *         1.    INITIALIZATION
4735  ! --------------
4736
4737
4738
4739  ! *         1.2     INITIALIZE TRANSMISSION FUNCTIONS
4740  ! ---------------------------------
4741
4742
4743  DO ja = 1, ntra
4744    DO jl = 1, kdlon
4745      ztt(jl, ja) = 1.0
4746      ztt1(jl, ja) = 1.0
4747      ztt2(jl, ja) = 1.0
4748    END DO
4749  END DO
4750
4751  DO ja = 1, nua
4752    DO jl = 1, kdlon
4753      zuu(jl, ja) = 1.0
4754    END DO
4755  END DO
4756
4757  ! ------------------------------------------------------------------
4758
4759  ! *         2.      VERTICAL INTEGRATION
4760  ! --------------------
4761
4762
4763  ind1 = 0
4764  ind3 = 0
4765  ind4 = 1
4766  ind2 = 1
4767
4768  ! *         2.3     EXCHANGE WITH TOP OF THE ATMOSPHERE
4769  ! -----------------------------------
4770
4771
4772  DO jk = 1, kflev
4773    in = (jk-1)*ng1p1 + 1
4774
4775    DO ja = 1, kuaer
4776      DO jl = 1, kdlon
4777        zuu(jl, ja) = pabcu(jl, ja, in)
4778      END DO
4779    END DO
4780
4781
4782    CALL lwtt_lmdar4(pgatop(1,1,1), pgbtop(1,1,1), zuu, ztt)
4783
4784    DO jl = 1, kdlon
4785      zcntop(jl) = pbtop(jl, 1)*ztt(jl, 1)*ztt(jl, 10) + &
4786        pbtop(jl, 2)*ztt(jl, 2)*ztt(jl, 7)*ztt(jl, 11) + &
4787        pbtop(jl, 3)*ztt(jl, 4)*ztt(jl, 8)*ztt(jl, 12) + &
4788        pbtop(jl, 4)*ztt(jl, 5)*ztt(jl, 9)*ztt(jl, 13) + &
4789        pbtop(jl, 5)*ztt(jl, 3)*ztt(jl, 14) + pbtop(jl, 6)*ztt(jl, 6)*ztt(jl, &
4790        15)
4791      zfd(jl) = zcntop(jl) - pbint(jl, jk) - pdisd(jl, jk) - padjd(jl, jk)
4792      pfluc(jl, 2, jk) = zfd(jl)
4793    END DO
4794
4795  END DO
4796
4797  jk = kflev + 1
4798  in = (jk-1)*ng1p1 + 1
4799
4800  DO jl = 1, kdlon
4801    zcntop(jl) = pbtop(jl, 1) + pbtop(jl, 2) + pbtop(jl, 3) + pbtop(jl, 4) + &
4802      pbtop(jl, 5) + pbtop(jl, 6)
4803    zfd(jl) = zcntop(jl) - pbint(jl, jk) - pdisd(jl, jk) - padjd(jl, jk)
4804    pfluc(jl, 2, jk) = zfd(jl)
4805  END DO
4806
4807  ! *         2.4     COOLING-TO-SPACE OF LAYERS ABOVE 10 HPA
4808  ! ---------------------------------------
4809
4810
4811
4812  ! *         2.4.1   INITIALIZATION
4813  ! --------------
4814
4815
4816  jlim = kflev
4817
4818  IF (.NOT. levoigt) THEN
4819    DO jk = kflev, 1, -1
4820      IF (ppmb(1,jk)<10.0) THEN
4821        jlim = jk
4822      END IF
4823    END DO
4824  END IF
4825  klim = jlim
4826
4827  IF (.NOT. levoigt) THEN
4828    DO ja = 1, ktraer
4829      DO jl = 1, kdlon
4830        ztt1(jl, ja) = 1.0
4831      END DO
4832    END DO
4833
4834    ! *         2.4.2   LOOP OVER LAYERS ABOVE 10 HPA
4835    ! -----------------------------
4836
4837
4838    DO jstra = kflev, jlim, -1
4839      jstru = (jstra-1)*ng1p1 + 1
4840
4841      DO ja = 1, kuaer
4842        DO jl = 1, kdlon
4843          zuu(jl, ja) = pabcu(jl, ja, jstru)
4844        END DO
4845      END DO
4846
4847
4848      CALL lwtt_lmdar4(pga(1,1,1,jstra), pgb(1,1,1,jstra), zuu, ztt)
4849
4850      DO jl = 1, kdlon
4851        zctstr = (pb(jl,1,jstra)+pb(jl,1,jstra+1))* &
4852          (ztt1(jl,1)*ztt1(jl,10)-ztt(jl,1)*ztt(jl,10)) + &
4853          (pb(jl,2,jstra)+pb(jl,2,jstra+1))*(ztt1(jl,2)*ztt1(jl,7)*ztt1(jl,11 &
4854          )-ztt(jl,2)*ztt(jl,7)*ztt(jl,11)) + (pb(jl,3,jstra)+pb(jl,3,jstra+1 &
4855          ))*(ztt1(jl,4)*ztt1(jl,8)*ztt1(jl,12)-ztt(jl,4)*ztt(jl,8)*ztt(jl,12 &
4856          )) + (pb(jl,4,jstra)+pb(jl,4,jstra+1))*(ztt1(jl,5)*ztt1(jl,9)*ztt1( &
4857          jl,13)-ztt(jl,5)*ztt(jl,9)*ztt(jl,13)) + (pb(jl,5,jstra)+pb(jl,5, &
4858          jstra+1))*(ztt1(jl,3)*ztt1(jl,14)-ztt(jl,3)*ztt(jl,14)) + &
4859          (pb(jl,6,jstra)+pb(jl,6,jstra+1))*(ztt1(jl,6)*ztt1(jl,15)-ztt(jl,6) &
4860          *ztt(jl,15))
4861        pcts(jl, jstra) = zctstr*0.5
4862      END DO
4863      DO ja = 1, ktraer
4864        DO jl = 1, kdlon
4865          ztt1(jl, ja) = ztt(jl, ja)
4866        END DO
4867      END DO
4868    END DO
4869  END IF
4870  ! Mise a zero de securite pour PCTS en cas de LEVOIGT
4871  IF (levoigt) THEN
4872    DO jstra = 1, kflev
4873      DO jl = 1, kdlon
4874        pcts(jl, jstra) = 0.
4875      END DO
4876    END DO
4877  END IF
4878
4879  ! *         2.5     EXCHANGE WITH LOWER LIMIT
4880  ! -------------------------
4881
4882
4883  DO jl = 1, kdlon
4884    zbgnd(jl) = pbsui(jl)*pemis(jl) - (1.-pemis(jl))*pfluc(jl, 2, 1) - &
4885      pbint(jl, 1)
4886  END DO
4887
4888  jk = 1
4889  in = (jk-1)*ng1p1 + 1
4890
4891  DO jl = 1, kdlon
4892    zcnsol(jl) = pbsur(jl, 1) + pbsur(jl, 2) + pbsur(jl, 3) + pbsur(jl, 4) + &
4893      pbsur(jl, 5) + pbsur(jl, 6)
4894    zcnsol(jl) = zcnsol(jl)*zbgnd(jl)/pbsui(jl)
4895    zfu(jl) = zcnsol(jl) + pbint(jl, jk) - pdisu(jl, jk) - padju(jl, jk)
4896    pfluc(jl, 1, jk) = zfu(jl)
4897  END DO
4898
4899  DO jk = 2, kflev + 1
4900    in = (jk-1)*ng1p1 + 1
4901
4902
4903    DO ja = 1, kuaer
4904      DO jl = 1, kdlon
4905        zuu(jl, ja) = pabcu(jl, ja, 1) - pabcu(jl, ja, in)
4906      END DO
4907    END DO
4908
4909
4910    CALL lwtt_lmdar4(pgasur(1,1,1), pgbsur(1,1,1), zuu, ztt)
4911
4912    DO jl = 1, kdlon
4913      zcnsol(jl) = pbsur(jl, 1)*ztt(jl, 1)*ztt(jl, 10) + &
4914        pbsur(jl, 2)*ztt(jl, 2)*ztt(jl, 7)*ztt(jl, 11) + &
4915        pbsur(jl, 3)*ztt(jl, 4)*ztt(jl, 8)*ztt(jl, 12) + &
4916        pbsur(jl, 4)*ztt(jl, 5)*ztt(jl, 9)*ztt(jl, 13) + &
4917        pbsur(jl, 5)*ztt(jl, 3)*ztt(jl, 14) + pbsur(jl, 6)*ztt(jl, 6)*ztt(jl, &
4918        15)
4919      zcnsol(jl) = zcnsol(jl)*zbgnd(jl)/pbsui(jl)
4920      zfu(jl) = zcnsol(jl) + pbint(jl, jk) - pdisu(jl, jk) - padju(jl, jk)
4921      pfluc(jl, 1, jk) = zfu(jl)
4922    END DO
4923
4924
4925  END DO
4926
4927  ! *         2.7     CLEAR-SKY FLUXES
4928  ! ----------------
4929
4930
4931  IF (.NOT. levoigt) THEN
4932    DO jl = 1, kdlon
4933      zfn10(jl) = pfluc(jl, 1, jlim) + pfluc(jl, 2, jlim)
4934    END DO
4935    DO jk = jlim + 1, kflev + 1
4936      DO jl = 1, kdlon
4937        zfn10(jl) = zfn10(jl) + pcts(jl, jk-1)
4938        pfluc(jl, 1, jk) = zfn10(jl)
4939        pfluc(jl, 2, jk) = 0.
4940      END DO
4941    END DO
4942  END IF
4943
4944  ! ------------------------------------------------------------------
4945
4946  RETURN
4947END SUBROUTINE lwvb_lmdar4
4948SUBROUTINE lwvd_lmdar4(kuaer, ktraer, pabcu, pdbdt, pga, pgb, pcntrb, pdisd, &
4949    pdisu)
4950USE raddimlw_mod_h
4951    USE dimphy
4952  IMPLICIT NONE
4953
4954  ! -----------------------------------------------------------------------
4955  ! PURPOSE.
4956  ! --------
4957  ! CARRIES OUT THE VERTICAL INTEGRATION ON THE DISTANT LAYERS
4958
4959  ! METHOD.
4960  ! -------
4961
4962  ! 1. PERFORMS THE VERTICAL INTEGRATION CORRESPONDING TO THE
4963  ! CONTRIBUTIONS OF THE DISTANT LAYERS USING TRAPEZOIDAL RULE
4964
4965  ! REFERENCE.
4966  ! ----------
4967
4968  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
4969  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
4970
4971  ! AUTHOR.
4972  ! -------
4973  ! JEAN-JACQUES MORCRETTE  *ECMWF*
4974
4975  ! MODIFICATIONS.
4976  ! --------------
4977  ! ORIGINAL : 89-07-14
4978  ! -----------------------------------------------------------------------
4979  ! * ARGUMENTS:
4980
4981  INTEGER kuaer, ktraer
4982
4983  REAL (KIND=8) pabcu(kdlon, nua, 3*kflev+1) ! ABSORBER AMOUNTS
4984  REAL (KIND=8) pdbdt(kdlon, ninter, kflev) ! LAYER PLANCK FUNCTION GRADIENT
4985  REAL (KIND=8) pga(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS
4986  REAL (KIND=8) pgb(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS
4987
4988  REAL (KIND=8) pcntrb(kdlon, kflev+1, kflev+1) ! ENERGY EXCHANGE MATRIX
4989  REAL (KIND=8) pdisd(kdlon, kflev+1) !  CONTRIBUTION BY DISTANT LAYERS
4990  REAL (KIND=8) pdisu(kdlon, kflev+1) !  CONTRIBUTION BY DISTANT LAYERS
4991
4992  ! * LOCAL VARIABLES:
4993
4994  REAL (KIND=8) zglayd(kdlon)
4995  REAL (KIND=8) zglayu(kdlon)
4996  REAL (KIND=8) ztt(kdlon, ntra)
4997  REAL (KIND=8) ztt1(kdlon, ntra)
4998  REAL (KIND=8) ztt2(kdlon, ntra)
4999
5000  INTEGER jl, jk, ja, ikp1, ikn, ikd1, jkj, ikd2
5001  INTEGER ikjp1, ikm1, ikj, jlk, iku1, ijkl, iku2
5002  INTEGER ind1, ind2, ind3, ind4, itt
5003  REAL (KIND=8) zww, zdzxdg, zdzxmg
5004
5005  ! *         1.    INITIALIZATION
5006  ! --------------
5007
5008
5009  ! *         1.1     INITIALIZE LAYER CONTRIBUTIONS
5010  ! ------------------------------
5011
5012
5013  DO jk = 1, kflev + 1
5014    DO jl = 1, kdlon
5015      pdisd(jl, jk) = 0.
5016      pdisu(jl, jk) = 0.
5017    END DO
5018  END DO
5019
5020  ! *         1.2     INITIALIZE TRANSMISSION FUNCTIONS
5021  ! ---------------------------------
5022
5023
5024
5025  DO ja = 1, ntra
5026    DO jl = 1, kdlon
5027      ztt(jl, ja) = 1.0
5028      ztt1(jl, ja) = 1.0
5029      ztt2(jl, ja) = 1.0
5030    END DO
5031  END DO
5032
5033  ! ------------------------------------------------------------------
5034
5035  ! *         2.      VERTICAL INTEGRATION
5036  ! --------------------
5037
5038
5039  ind1 = 0
5040  ind3 = 0
5041  ind4 = 1
5042  ind2 = 1
5043
5044  ! *         2.2     CONTRIBUTION FROM DISTANT LAYERS
5045  ! ---------------------------------
5046
5047
5048
5049  ! *         2.2.1   DISTANT AND ABOVE LAYERS
5050  ! ------------------------
5051
5052
5053
5054
5055  ! *         2.2.2   FIRST UPPER LEVEL
5056  ! -----------------
5057
5058
5059  DO jk = 1, kflev - 1
5060    ikp1 = jk + 1
5061    ikn = (jk-1)*ng1p1 + 1
5062    ikd1 = jk*ng1p1 + 1
5063
5064    CALL lwttm_lmdar4(pga(1,1,1,jk), pgb(1,1,1,jk), pabcu(1,1,ikn), &
5065      pabcu(1,1,ikd1), ztt1)
5066
5067    ! *         2.2.3   HIGHER UP
5068    ! ---------
5069
5070
5071    itt = 1
5072    DO jkj = ikp1, kflev
5073      IF (itt==1) THEN
5074        itt = 2
5075      ELSE
5076        itt = 1
5077      END IF
5078      ikjp1 = jkj + 1
5079      ikd2 = jkj*ng1p1 + 1
5080
5081      IF (itt==1) THEN
5082        CALL lwttm_lmdar4(pga(1,1,1,jkj), pgb(1,1,1,jkj), pabcu(1,1,ikn), &
5083          pabcu(1,1,ikd2), ztt1)
5084      ELSE
5085        CALL lwttm_lmdar4(pga(1,1,1,jkj), pgb(1,1,1,jkj), pabcu(1,1,ikn), &
5086          pabcu(1,1,ikd2), ztt2)
5087      END IF
5088
5089      DO ja = 1, ktraer
5090        DO jl = 1, kdlon
5091          ztt(jl, ja) = (ztt1(jl,ja)+ztt2(jl,ja))*0.5
5092        END DO
5093      END DO
5094
5095      DO jl = 1, kdlon
5096        zww = pdbdt(jl, 1, jkj)*ztt(jl, 1)*ztt(jl, 10) + &
5097          pdbdt(jl, 2, jkj)*ztt(jl, 2)*ztt(jl, 7)*ztt(jl, 11) + &
5098          pdbdt(jl, 3, jkj)*ztt(jl, 4)*ztt(jl, 8)*ztt(jl, 12) + &
5099          pdbdt(jl, 4, jkj)*ztt(jl, 5)*ztt(jl, 9)*ztt(jl, 13) + &
5100          pdbdt(jl, 5, jkj)*ztt(jl, 3)*ztt(jl, 14) + &
5101          pdbdt(jl, 6, jkj)*ztt(jl, 6)*ztt(jl, 15)
5102        zglayd(jl) = zww
5103        zdzxdg = zglayd(jl)
5104        pdisd(jl, jk) = pdisd(jl, jk) + zdzxdg
5105        pcntrb(jl, jk, ikjp1) = zdzxdg
5106      END DO
5107
5108
5109    END DO
5110  END DO
5111
5112  ! *         2.2.4   DISTANT AND BELOW LAYERS
5113  ! ------------------------
5114
5115
5116
5117
5118  ! *         2.2.5   FIRST LOWER LEVEL
5119  ! -----------------
5120
5121
5122  DO jk = 3, kflev + 1
5123    ikn = (jk-1)*ng1p1 + 1
5124    ikm1 = jk - 1
5125    ikj = jk - 2
5126    iku1 = ikj*ng1p1 + 1
5127
5128
5129    CALL lwttm_lmdar4(pga(1,1,1,ikj), pgb(1,1,1,ikj), pabcu(1,1,iku1), &
5130      pabcu(1,1,ikn), ztt1)
5131
5132    ! *         2.2.6   DOWN BELOW
5133    ! ----------
5134
5135
5136    itt = 1
5137    DO jlk = 1, ikj
5138      IF (itt==1) THEN
5139        itt = 2
5140      ELSE
5141        itt = 1
5142      END IF
5143      ijkl = ikm1 - jlk
5144      iku2 = (ijkl-1)*ng1p1 + 1
5145
5146
5147      IF (itt==1) THEN
5148        CALL lwttm_lmdar4(pga(1,1,1,ijkl), pgb(1,1,1,ijkl), pabcu(1,1,iku2), &
5149          pabcu(1,1,ikn), ztt1)
5150      ELSE
5151        CALL lwttm_lmdar4(pga(1,1,1,ijkl), pgb(1,1,1,ijkl), pabcu(1,1,iku2), &
5152          pabcu(1,1,ikn), ztt2)
5153      END IF
5154
5155      DO ja = 1, ktraer
5156        DO jl = 1, kdlon
5157          ztt(jl, ja) = (ztt1(jl,ja)+ztt2(jl,ja))*0.5
5158        END DO
5159      END DO
5160
5161      DO jl = 1, kdlon
5162        zww = pdbdt(jl, 1, ijkl)*ztt(jl, 1)*ztt(jl, 10) + &
5163          pdbdt(jl, 2, ijkl)*ztt(jl, 2)*ztt(jl, 7)*ztt(jl, 11) + &
5164          pdbdt(jl, 3, ijkl)*ztt(jl, 4)*ztt(jl, 8)*ztt(jl, 12) + &
5165          pdbdt(jl, 4, ijkl)*ztt(jl, 5)*ztt(jl, 9)*ztt(jl, 13) + &
5166          pdbdt(jl, 5, ijkl)*ztt(jl, 3)*ztt(jl, 14) + &
5167          pdbdt(jl, 6, ijkl)*ztt(jl, 6)*ztt(jl, 15)
5168        zglayu(jl) = zww
5169        zdzxmg = zglayu(jl)
5170        pdisu(jl, jk) = pdisu(jl, jk) + zdzxmg
5171        pcntrb(jl, jk, ijkl) = zdzxmg
5172      END DO
5173
5174
5175    END DO
5176  END DO
5177
5178  RETURN
5179END SUBROUTINE lwvd_lmdar4
5180SUBROUTINE lwvn_lmdar4(kuaer, ktraer, pabcu, pdbsl, pga, pgb, padjd, padju, &
5181    pcntrb, pdbdt)
5182USE raddimlw_mod_h
5183    USE dimphy
5184  USE radiation_ar4_param, ONLY: wg1
5185  IMPLICIT NONE
5186
5187  ! -----------------------------------------------------------------------
5188  ! PURPOSE.
5189  ! --------
5190  ! CARRIES OUT THE VERTICAL INTEGRATION ON NEARBY LAYERS
5191  ! TO GIVE LONGWAVE FLUXES OR RADIANCES
5192
5193  ! METHOD.
5194  ! -------
5195
5196  ! 1. PERFORMS THE VERTICAL INTEGRATION CORRESPONDING TO THE
5197  ! CONTRIBUTIONS OF THE ADJACENT LAYERS USING A GAUSSIAN QUADRATURE
5198
5199  ! REFERENCE.
5200  ! ----------
5201
5202  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
5203  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
5204
5205  ! AUTHOR.
5206  ! -------
5207  ! JEAN-JACQUES MORCRETTE  *ECMWF*
5208
5209  ! MODIFICATIONS.
5210  ! --------------
5211  ! ORIGINAL : 89-07-14
5212  ! -----------------------------------------------------------------------
5213
5214  ! * ARGUMENTS:
5215
5216  INTEGER kuaer, ktraer
5217
5218  REAL (KIND=8) pabcu(kdlon, nua, 3*kflev+1) ! ABSORBER AMOUNTS
5219  REAL (KIND=8) pdbsl(kdlon, ninter, kflev*2) ! SUB-LAYER PLANCK FUNCTION GRADIENT
5220  REAL (KIND=8) pga(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS
5221  REAL (KIND=8) pgb(kdlon, 8, 2, kflev) ! PADE APPROXIMANTS
5222
5223  REAL (KIND=8) padjd(kdlon, kflev+1) ! CONTRIBUTION OF ADJACENT LAYERS
5224  REAL (KIND=8) padju(kdlon, kflev+1) ! CONTRIBUTION OF ADJACENT LAYERS
5225  REAL (KIND=8) pcntrb(kdlon, kflev+1, kflev+1) ! CLEAR-SKY ENERGY EXCHANGE MATRIX
5226  REAL (KIND=8) pdbdt(kdlon, ninter, kflev) !  LAYER PLANCK FUNCTION GRADIENT
5227
5228  ! * LOCAL ARRAYS:
5229
5230  REAL (KIND=8) zglayd(kdlon)
5231  REAL (KIND=8) zglayu(kdlon)
5232  REAL (KIND=8) ztt(kdlon, ntra)
5233  REAL (KIND=8) ztt1(kdlon, ntra)
5234  REAL (KIND=8) ztt2(kdlon, ntra)
5235  REAL (KIND=8) zuu(kdlon, nua)
5236
5237  INTEGER jk, jl, ja, im12, ind, inu, ixu, jg
5238  INTEGER ixd, ibs, idd, imu, jk1, jk2, jnu
5239  REAL (KIND=8) zwtr
5240
5241  ! -----------------------------------------------------------------------
5242
5243  ! *         1.    INITIALIZATION
5244  ! --------------
5245
5246
5247  ! *         1.1     INITIALIZE LAYER CONTRIBUTIONS
5248  ! ------------------------------
5249
5250
5251  DO jk = 1, kflev + 1
5252    DO jl = 1, kdlon
5253      padjd(jl, jk) = 0.
5254      padju(jl, jk) = 0.
5255    END DO
5256  END DO
5257
5258  ! *         1.2     INITIALIZE TRANSMISSION FUNCTIONS
5259  ! ---------------------------------
5260
5261
5262  DO ja = 1, ntra
5263    DO jl = 1, kdlon
5264      ztt(jl, ja) = 1.0
5265      ztt1(jl, ja) = 1.0
5266      ztt2(jl, ja) = 1.0
5267    END DO
5268  END DO
5269
5270  DO ja = 1, nua
5271    DO jl = 1, kdlon
5272      zuu(jl, ja) = 0.
5273    END DO
5274  END DO
5275
5276  ! ------------------------------------------------------------------
5277
5278  ! *         2.      VERTICAL INTEGRATION
5279  ! --------------------
5280
5281
5282
5283  ! *         2.1     CONTRIBUTION FROM ADJACENT LAYERS
5284  ! ---------------------------------
5285
5286
5287  DO jk = 1, kflev
5288    ! *         2.1.1   DOWNWARD LAYERS
5289    ! ---------------
5290
5291
5292    im12 = 2*(jk-1)
5293    ind = (jk-1)*ng1p1 + 1
5294    ixd = ind
5295    inu = jk*ng1p1 + 1
5296    ixu = ind
5297
5298    DO jl = 1, kdlon
5299      zglayd(jl) = 0.
5300      zglayu(jl) = 0.
5301    END DO
5302
5303    DO jg = 1, ng1
5304      ibs = im12 + jg
5305      idd = ixd + jg
5306      DO ja = 1, kuaer
5307        DO jl = 1, kdlon
5308          zuu(jl, ja) = pabcu(jl, ja, ind) - pabcu(jl, ja, idd)
5309        END DO
5310      END DO
5311
5312
5313      CALL lwtt_lmdar4(pga(1,1,1,jk), pgb(1,1,1,jk), zuu, ztt)
5314
5315      DO jl = 1, kdlon
5316        zwtr = pdbsl(jl, 1, ibs)*ztt(jl, 1)*ztt(jl, 10) + &
5317          pdbsl(jl, 2, ibs)*ztt(jl, 2)*ztt(jl, 7)*ztt(jl, 11) + &
5318          pdbsl(jl, 3, ibs)*ztt(jl, 4)*ztt(jl, 8)*ztt(jl, 12) + &
5319          pdbsl(jl, 4, ibs)*ztt(jl, 5)*ztt(jl, 9)*ztt(jl, 13) + &
5320          pdbsl(jl, 5, ibs)*ztt(jl, 3)*ztt(jl, 14) + &
5321          pdbsl(jl, 6, ibs)*ztt(jl, 6)*ztt(jl, 15)
5322        zglayd(jl) = zglayd(jl) + zwtr*wg1(jg)
5323      END DO
5324
5325      ! *         2.1.2   DOWNWARD LAYERS
5326      ! ---------------
5327
5328
5329      imu = ixu + jg
5330      DO ja = 1, kuaer
5331        DO jl = 1, kdlon
5332          zuu(jl, ja) = pabcu(jl, ja, imu) - pabcu(jl, ja, inu)
5333        END DO
5334      END DO
5335
5336
5337      CALL lwtt_lmdar4(pga(1,1,1,jk), pgb(1,1,1,jk), zuu, ztt)
5338
5339      DO jl = 1, kdlon
5340        zwtr = pdbsl(jl, 1, ibs)*ztt(jl, 1)*ztt(jl, 10) + &
5341          pdbsl(jl, 2, ibs)*ztt(jl, 2)*ztt(jl, 7)*ztt(jl, 11) + &
5342          pdbsl(jl, 3, ibs)*ztt(jl, 4)*ztt(jl, 8)*ztt(jl, 12) + &
5343          pdbsl(jl, 4, ibs)*ztt(jl, 5)*ztt(jl, 9)*ztt(jl, 13) + &
5344          pdbsl(jl, 5, ibs)*ztt(jl, 3)*ztt(jl, 14) + &
5345          pdbsl(jl, 6, ibs)*ztt(jl, 6)*ztt(jl, 15)
5346        zglayu(jl) = zglayu(jl) + zwtr*wg1(jg)
5347      END DO
5348
5349    END DO
5350
5351    DO jl = 1, kdlon
5352      padjd(jl, jk) = zglayd(jl)
5353      pcntrb(jl, jk, jk+1) = zglayd(jl)
5354      padju(jl, jk+1) = zglayu(jl)
5355      pcntrb(jl, jk+1, jk) = zglayu(jl)
5356      pcntrb(jl, jk, jk) = 0.0
5357    END DO
5358
5359  END DO
5360
5361  DO jk = 1, kflev
5362    jk2 = 2*jk
5363    jk1 = jk2 - 1
5364    DO jnu = 1, ninter
5365      DO jl = 1, kdlon
5366        pdbdt(jl, jnu, jk) = pdbsl(jl, jnu, jk1) + pdbsl(jl, jnu, jk2)
5367      END DO
5368    END DO
5369  END DO
5370
5371  RETURN
5372
5373END SUBROUTINE lwvn_lmdar4
5374SUBROUTINE lwtt_lmdar4(pga, pgb, puu, ptt)
5375USE raddimlw_mod_h
5376    USE dimphy
5377  IMPLICIT NONE
5378
5379  ! -----------------------------------------------------------------------
5380  ! PURPOSE.
5381  ! --------
5382  ! THIS ROUTINE COMPUTES THE TRANSMISSION FUNCTIONS FOR ALL THE
5383  ! ABSORBERS (H2O, UNIFORMLY MIXED GASES, AND O3) IN ALL SIX SPECTRAL
5384  ! INTERVALS.
5385
5386  ! METHOD.
5387  ! -------
5388
5389  ! 1. TRANSMISSION FUNCTION BY H2O AND UNIFORMLY MIXED GASES ARE
5390  ! COMPUTED USING PADE APPROXIMANTS AND HORNER'S ALGORITHM.
5391  ! 2. TRANSMISSION BY O3 IS EVALUATED WITH MALKMUS'S BAND MODEL.
5392  ! 3. TRANSMISSION BY H2O CONTINUUM AND AEROSOLS FOLLOW AN
5393  ! A SIMPLE EXPONENTIAL DECREASE WITH ABSORBER AMOUNT.
5394
5395  ! REFERENCE.
5396  ! ----------
5397
5398  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
5399  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
5400
5401  ! AUTHOR.
5402  ! -------
5403  ! JEAN-JACQUES MORCRETTE  *ECMWF*
5404
5405  ! MODIFICATIONS.
5406  ! --------------
5407  ! ORIGINAL : 88-12-15
5408
5409  ! -----------------------------------------------------------------------
5410  REAL (KIND=8) o1h, o2h
5411  PARAMETER (o1h=2230.)
5412  PARAMETER (o2h=100.)
5413  REAL (KIND=8) rpialf0
5414  PARAMETER (rpialf0=2.0)
5415
5416  ! * ARGUMENTS:
5417
5418  REAL (KIND=8) puu(kdlon, nua)
5419  REAL (KIND=8) ptt(kdlon, ntra)
5420  REAL (KIND=8) pga(kdlon, 8, 2)
5421  REAL (KIND=8) pgb(kdlon, 8, 2)
5422
5423  ! * LOCAL VARIABLES:
5424
5425  REAL (KIND=8) zz, zxd, zxn
5426  REAL (KIND=8) zpu, zpu10, zpu11, zpu12, zpu13
5427  REAL (KIND=8) zeu, zeu10, zeu11, zeu12, zeu13
5428  REAL (KIND=8) zx, zy, zsq1, zsq2, zvxy, zuxy
5429  REAL (KIND=8) zaercn, zto1, zto2, zxch4, zych4, zxn2o, zyn2o
5430  REAL (KIND=8) zsqn21, zodn21, zsqh42, zodh42
5431  REAL (KIND=8) zsqh41, zodh41, zsqn22, zodn22, zttf11, zttf12
5432  REAL (KIND=8) zuu11, zuu12, za11, za12
5433  INTEGER jl, ja
5434
5435  ! ------------------------------------------------------------------
5436
5437  ! *         1.     HORNER'S ALGORITHM FOR H2O AND CO2 TRANSMISSION
5438  ! -----------------------------------------------
5439
5440
5441
5442  ! cdir collapse
5443  DO ja = 1, 8
5444    DO jl = 1, kdlon
5445      zz = sqrt(puu(jl,ja))
5446      ! ZXD(JL,1)=PGB( JL, 1,1) + ZZ(JL, 1)*(PGB( JL, 1,2) + ZZ(JL, 1))
5447      ! ZXN(JL,1)=PGA( JL, 1,1) + ZZ(JL, 1)*(PGA( JL, 1,2) )
5448      ! PTT(JL,1)=ZXN(JL,1)/ZXD(JL,1)
5449      zxd = pgb(jl, ja, 1) + zz*(pgb(jl,ja,2)+zz)
5450      zxn = pga(jl, ja, 1) + zz*(pga(jl,ja,2))
5451      ptt(jl, ja) = zxn/zxd
5452    END DO
5453  END DO
5454
5455  ! ------------------------------------------------------------------
5456
5457  ! *         2.     CONTINUUM, OZONE AND AEROSOL TRANSMISSION FUNCTIONS
5458  ! ---------------------------------------------------
5459
5460
5461  DO jl = 1, kdlon
5462    ptt(jl, 9) = ptt(jl, 8)
5463
5464    ! -  CONTINUUM ABSORPTION: E- AND P-TYPE
5465
5466    zpu = 0.002*puu(jl, 10)
5467    zpu10 = 112.*zpu
5468    zpu11 = 6.25*zpu
5469    zpu12 = 5.00*zpu
5470    zpu13 = 80.0*zpu
5471    zeu = puu(jl, 11)
5472    zeu10 = 12.*zeu
5473    zeu11 = 6.25*zeu
5474    zeu12 = 5.00*zeu
5475    zeu13 = 80.0*zeu
5476
5477    ! -  OZONE ABSORPTION
5478
5479    zx = puu(jl, 12)
5480    zy = puu(jl, 13)
5481    zuxy = 4.*zx*zx/(rpialf0*zy)
5482    zsq1 = sqrt(1.+o1h*zuxy) - 1.
5483    zsq2 = sqrt(1.+o2h*zuxy) - 1.
5484    zvxy = rpialf0*zy/(2.*zx)
5485    zaercn = puu(jl, 17) + zeu12 + zpu12
5486    zto1 = exp(-zvxy*zsq1-zaercn)
5487    zto2 = exp(-zvxy*zsq2-zaercn)
5488
5489    ! -- TRACE GASES (CH4, N2O, CFC-11, CFC-12)
5490
5491    ! * CH4 IN INTERVAL 800-970 + 1110-1250 CM-1
5492
5493    ! NEXOTIC=1
5494    ! IF (NEXOTIC.EQ.1) THEN
5495    zxch4 = puu(jl, 19)
5496    zych4 = puu(jl, 20)
5497    zuxy = 4.*zxch4*zxch4/(0.103*zych4)
5498    zsqh41 = sqrt(1.+33.7*zuxy) - 1.
5499    zvxy = 0.103*zych4/(2.*zxch4)
5500    zodh41 = zvxy*zsqh41
5501
5502    ! * N2O IN INTERVAL 800-970 + 1110-1250 CM-1
5503
5504    zxn2o = puu(jl, 21)
5505    zyn2o = puu(jl, 22)
5506    zuxy = 4.*zxn2o*zxn2o/(0.416*zyn2o)
5507    zsqn21 = sqrt(1.+21.3*zuxy) - 1.
5508    zvxy = 0.416*zyn2o/(2.*zxn2o)
5509    zodn21 = zvxy*zsqn21
5510
5511    ! * CH4 IN INTERVAL 1250-1450 + 1880-2820 CM-1
5512
5513    zuxy = 4.*zxch4*zxch4/(0.113*zych4)
5514    zsqh42 = sqrt(1.+400.*zuxy) - 1.
5515    zvxy = 0.113*zych4/(2.*zxch4)
5516    zodh42 = zvxy*zsqh42
5517
5518    ! * N2O IN INTERVAL 1250-1450 + 1880-2820 CM-1
5519
5520    zuxy = 4.*zxn2o*zxn2o/(0.197*zyn2o)
5521    zsqn22 = sqrt(1.+2000.*zuxy) - 1.
5522    zvxy = 0.197*zyn2o/(2.*zxn2o)
5523    zodn22 = zvxy*zsqn22
5524
5525    ! * CFC-11 IN INTERVAL 800-970 + 1110-1250 CM-1
5526
5527    za11 = 2.*puu(jl, 23)*4.404E+05
5528    zttf11 = 1. - za11*0.003225
5529
5530    ! * CFC-12 IN INTERVAL 800-970 + 1110-1250 CM-1
5531
5532    za12 = 2.*puu(jl, 24)*6.7435E+05
5533    zttf12 = 1. - za12*0.003225
5534
5535    zuu11 = -puu(jl, 15) - zeu10 - zpu10
5536    zuu12 = -puu(jl, 16) - zeu11 - zpu11 - zodh41 - zodn21
5537    ptt(jl, 10) = exp(-puu(jl,14))
5538    ptt(jl, 11) = exp(zuu11)
5539    ptt(jl, 12) = exp(zuu12)*zttf11*zttf12
5540    ptt(jl, 13) = 0.7554*zto1 + 0.2446*zto2
5541    ptt(jl, 14) = ptt(jl, 10)*exp(-zeu13-zpu13)
5542    ptt(jl, 15) = exp(-puu(jl,14)-zodh42-zodn22)
5543  END DO
5544
5545  RETURN
5546END SUBROUTINE lwtt_lmdar4
5547SUBROUTINE lwttm_lmdar4(pga, pgb, puu1, puu2, ptt)
5548USE raddimlw_mod_h
5549    USE dimphy
5550  IMPLICIT NONE
5551
5552  ! ------------------------------------------------------------------
5553  ! PURPOSE.
5554  ! --------
5555  ! THIS ROUTINE COMPUTES THE TRANSMISSION FUNCTIONS FOR ALL THE
5556  ! ABSORBERS (H2O, UNIFORMLY MIXED GASES, AND O3) IN ALL SIX SPECTRAL
5557  ! INTERVALS.
5558
5559  ! METHOD.
5560  ! -------
5561
5562  ! 1. TRANSMISSION FUNCTION BY H2O AND UNIFORMLY MIXED GASES ARE
5563  ! COMPUTED USING PADE APPROXIMANTS AND HORNER'S ALGORITHM.
5564  ! 2. TRANSMISSION BY O3 IS EVALUATED WITH MALKMUS'S BAND MODEL.
5565  ! 3. TRANSMISSION BY H2O CONTINUUM AND AEROSOLS FOLLOW AN
5566  ! A SIMPLE EXPONENTIAL DECREASE WITH ABSORBER AMOUNT.
5567
5568  ! REFERENCE.
5569  ! ----------
5570
5571  ! SEE RADIATION'S PART OF THE MODEL'S DOCUMENTATION AND
5572  ! ECMWF RESEARCH DEPARTMENT DOCUMENTATION OF THE IFS
5573
5574  ! AUTHOR.
5575  ! -------
5576  ! JEAN-JACQUES MORCRETTE  *ECMWF*
5577
5578  ! MODIFICATIONS.
5579  ! --------------
5580  ! ORIGINAL : 88-12-15
5581
5582  ! -----------------------------------------------------------------------
5583  REAL (KIND=8) o1h, o2h
5584  PARAMETER (o1h=2230.)
5585  PARAMETER (o2h=100.)
5586  REAL (KIND=8) rpialf0
5587  PARAMETER (rpialf0=2.0)
5588
5589  ! * ARGUMENTS:
5590
5591  REAL (KIND=8) pga(kdlon, 8, 2) ! PADE APPROXIMANTS
5592  REAL (KIND=8) pgb(kdlon, 8, 2) ! PADE APPROXIMANTS
5593  REAL (KIND=8) puu1(kdlon, nua) ! ABSORBER AMOUNTS FROM TOP TO LEVEL 1
5594  REAL (KIND=8) puu2(kdlon, nua) ! ABSORBER AMOUNTS FROM TOP TO LEVEL 2
5595  REAL (KIND=8) ptt(kdlon, ntra) ! TRANSMISSION FUNCTIONS
5596
5597  ! * LOCAL VARIABLES:
5598
5599  INTEGER ja, jl
5600  REAL (KIND=8) zz, zxd, zxn
5601  REAL (KIND=8) zpu, zpu10, zpu11, zpu12, zpu13
5602  REAL (KIND=8) zeu, zeu10, zeu11, zeu12, zeu13
5603  REAL (KIND=8) zx, zy, zuxy, zsq1, zsq2, zvxy, zaercn, zto1, zto2
5604  REAL (KIND=8) zxch4, zych4, zsqh41, zodh41
5605  REAL (KIND=8) zxn2o, zyn2o, zsqn21, zodn21, zsqh42, zodh42
5606  REAL (KIND=8) zsqn22, zodn22, za11, zttf11, za12, zttf12
5607  REAL (KIND=8) zuu11, zuu12
5608
5609  ! ------------------------------------------------------------------
5610
5611  ! *         1.     HORNER'S ALGORITHM FOR H2O AND CO2 TRANSMISSION
5612  ! -----------------------------------------------
5613
5614
5615
5616
5617  ! CDIR ON_ADB(PUU1)
5618  ! CDIR ON_ADB(PUU2)
5619  ! CDIR COLLAPSE
5620  DO ja = 1, 8
5621    DO jl = 1, kdlon
5622      zz = sqrt(puu1(jl,ja)-puu2(jl,ja))
5623      zxd = pgb(jl, ja, 1) + zz*(pgb(jl,ja,2)+zz)
5624      zxn = pga(jl, ja, 1) + zz*(pga(jl,ja,2))
5625      ptt(jl, ja) = zxn/zxd
5626    END DO
5627  END DO
5628
5629  ! ------------------------------------------------------------------
5630
5631  ! *         2.     CONTINUUM, OZONE AND AEROSOL TRANSMISSION FUNCTIONS
5632  ! ---------------------------------------------------
5633
5634
5635  DO jl = 1, kdlon
5636    ptt(jl, 9) = ptt(jl, 8)
5637
5638    ! -  CONTINUUM ABSORPTION: E- AND P-TYPE
5639
5640    zpu = 0.002*(puu1(jl,10)-puu2(jl,10))
5641    zpu10 = 112.*zpu
5642    zpu11 = 6.25*zpu
5643    zpu12 = 5.00*zpu
5644    zpu13 = 80.0*zpu
5645    zeu = (puu1(jl,11)-puu2(jl,11))
5646    zeu10 = 12.*zeu
5647    zeu11 = 6.25*zeu
5648    zeu12 = 5.00*zeu
5649    zeu13 = 80.0*zeu
5650
5651    ! -  OZONE ABSORPTION
5652
5653    zx = (puu1(jl,12)-puu2(jl,12))
5654    zy = (puu1(jl,13)-puu2(jl,13))
5655    zuxy = 4.*zx*zx/(rpialf0*zy)
5656    zsq1 = sqrt(1.+o1h*zuxy) - 1.
5657    zsq2 = sqrt(1.+o2h*zuxy) - 1.
5658    zvxy = rpialf0*zy/(2.*zx)
5659    zaercn = (puu1(jl,17)-puu2(jl,17)) + zeu12 + zpu12
5660    zto1 = exp(-zvxy*zsq1-zaercn)
5661    zto2 = exp(-zvxy*zsq2-zaercn)
5662
5663    ! -- TRACE GASES (CH4, N2O, CFC-11, CFC-12)
5664
5665    ! * CH4 IN INTERVAL 800-970 + 1110-1250 CM-1
5666
5667    zxch4 = (puu1(jl,19)-puu2(jl,19))
5668    zych4 = (puu1(jl,20)-puu2(jl,20))
5669    zuxy = 4.*zxch4*zxch4/(0.103*zych4)
5670    zsqh41 = sqrt(1.+33.7*zuxy) - 1.
5671    zvxy = 0.103*zych4/(2.*zxch4)
5672    zodh41 = zvxy*zsqh41
5673
5674    ! * N2O IN INTERVAL 800-970 + 1110-1250 CM-1
5675
5676    zxn2o = (puu1(jl,21)-puu2(jl,21))
5677    zyn2o = (puu1(jl,22)-puu2(jl,22))
5678    zuxy = 4.*zxn2o*zxn2o/(0.416*zyn2o)
5679    zsqn21 = sqrt(1.+21.3*zuxy) - 1.
5680    zvxy = 0.416*zyn2o/(2.*zxn2o)
5681    zodn21 = zvxy*zsqn21
5682
5683    ! * CH4 IN INTERVAL 1250-1450 + 1880-2820 CM-1
5684
5685    zuxy = 4.*zxch4*zxch4/(0.113*zych4)
5686    zsqh42 = sqrt(1.+400.*zuxy) - 1.
5687    zvxy = 0.113*zych4/(2.*zxch4)
5688    zodh42 = zvxy*zsqh42
5689
5690    ! * N2O IN INTERVAL 1250-1450 + 1880-2820 CM-1
5691
5692    zuxy = 4.*zxn2o*zxn2o/(0.197*zyn2o)
5693    zsqn22 = sqrt(1.+2000.*zuxy) - 1.
5694    zvxy = 0.197*zyn2o/(2.*zxn2o)
5695    zodn22 = zvxy*zsqn22
5696
5697    ! * CFC-11 IN INTERVAL 800-970 + 1110-1250 CM-1
5698
5699    za11 = (puu1(jl,23)-puu2(jl,23))*4.404E+05
5700    zttf11 = 1. - za11*0.003225
5701
5702    ! * CFC-12 IN INTERVAL 800-970 + 1110-1250 CM-1
5703
5704    za12 = (puu1(jl,24)-puu2(jl,24))*6.7435E+05
5705    zttf12 = 1. - za12*0.003225
5706
5707    zuu11 = -(puu1(jl,15)-puu2(jl,15)) - zeu10 - zpu10
5708    zuu12 = -(puu1(jl,16)-puu2(jl,16)) - zeu11 - zpu11 - zodh41 - zodn21
5709    ptt(jl, 10) = exp(-(puu1(jl,14)-puu2(jl,14)))
5710    ptt(jl, 11) = exp(zuu11)
5711    ptt(jl, 12) = exp(zuu12)*zttf11*zttf12
5712    ptt(jl, 13) = 0.7554*zto1 + 0.2446*zto2
5713    ptt(jl, 14) = ptt(jl, 10)*exp(-zeu13-zpu13)
5714    ptt(jl, 15) = exp(-(puu1(jl,14)-puu2(jl,14))-zodh42-zodn22)
5715  END DO
5716
5717  RETURN
5718END SUBROUTINE lwttm_lmdar4
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