source: LMDZ5/trunk/libf/phylmd/rrtm/aeropt_5wv_rrtm.F90 @ 2524

Last change on this file since 2524 was 2215, checked in by oboucher, 10 years ago

Olivier Boucher: updating sea-salt aerosol optical properties
with hygroscopicity data consistent with INCA emission routine
  • 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:keywords set to Author Date Id Revi
File size: 14.5 KB
Line 
1!
2! $Id: aeropt_5wv_rrtm.F90 2215 2015-02-23 16:21:29Z oboucher $
3!
4
5SUBROUTINE AEROPT_5WV_RRTM(&
6   pdel, m_allaer, delt, &
7   RHcl, ai, flag_aerosol, &
8   pplay, t_seri, &
9   tausum, tau )
10
11  USE DIMPHY
12  USE aero_mod
13  USE phys_local_var_mod, only: od550aer,od865aer,ec550aer,od550lt1aer
14
15  !
16  !    Yves Balkanski le 12 avril 2006
17  !    Celine Deandreis
18  !    Anne Cozic  Avril 2009
19  !    a partir d'une sous-routine de Johannes Quaas pour les sulfates
20  !    Olivier Boucher mars 2014 pour adaptation RRTM
21  !
22  ! Refractive indices for seasalt come from Shettle and Fenn (1979)
23  !
24  ! Refractive indices from water come from Hale and Querry (1973)
25  !
26  ! Refractive indices from Ammonium Sulfate Toon and Pollack (1976)
27  !
28  ! Refractive indices for Dust, internal mixture of minerals coated with 1.5% hematite
29  ! by Volume (Balkanski et al., 2006)
30  !
31  ! Refractive indices for POM: Kinne (pers. Communication
32  !
33  ! Refractive index for BC from Shettle and Fenn (1979)
34  !
35  ! Shettle, E. P., & Fenn, R. W. (1979), Models for the aerosols of the lower atmosphere and
36  ! the effects of humidity variations on their optical properties, U.S. Air Force Geophysics
37  ! Laboratory Rept. AFGL-TR-79-0214, Hanscomb Air Force Base, MA.
38  !
39  ! Hale, G. M. and M. R. Querry, Optical constants of water in the 200-nm to 200-m
40  ! wavelength region, Appl. Opt., 12, 555-563, 1973.
41  !
42  ! Toon, O. B. and J. B. Pollack, The optical constants of several atmospheric aerosol species:
43  ! Ammonium sulfate, aluminum oxide, and sodium chloride, J. Geohys. Res., 81, 5733-5748,
44  ! 1976.
45  !
46  ! Balkanski, Y., M. Schulz, T. Claquin And O. Boucher, Reevaluation of mineral aerosol
47  ! radiative forcings suggests a better agreement with satellite and AERONET data, Atmospheric
48  ! Chemistry and Physics Discussions., 6, pp 8383-8419, 2006.
49  !
50  IMPLICIT NONE
51  INCLUDE "YOMCST.h"
52  !
53  ! Input arguments:
54  !
55  REAL, DIMENSION(klon,klev), INTENT(in)   :: pdel
56  REAL, INTENT(in)                         :: delt
57  REAL, DIMENSION(klon,klev,naero_tot), INTENT(in) :: m_allaer
58  REAL, DIMENSION(klon,klev), INTENT(in)   :: RHcl     ! humidite relative ciel clair
59  INTEGER,INTENT(in)                       :: flag_aerosol
60  REAL, DIMENSION(klon,klev), INTENT(in)   :: pplay
61  REAL, DIMENSION(klon,klev), INTENT(in)   :: t_seri
62  !
63  ! Output arguments:
64  !
65  REAL, DIMENSION(klon), INTENT(out)                      :: ai      ! POLDER aerosol index
66  REAL, DIMENSION(klon,nwave,naero_tot), INTENT(out)      :: tausum
67  REAL, DIMENSION(klon,klev,nwave,naero_tot), INTENT(out) :: tau
68
69  !
70  ! Local
71  !
72  INTEGER, PARAMETER :: las = nwave
73  LOGICAL :: soluble
74 
75  INTEGER :: i, k, m, aerindex
76  INTEGER :: spsol, spinsol, la
77  INTEGER :: RH_num(klon,klev)
78  INTEGER, PARAMETER :: la443 = 1
79  INTEGER, PARAMETER :: la550 = 2
80  INTEGER, PARAMETER :: la670 = 3
81  INTEGER, PARAMETER :: la765 = 4
82  INTEGER, PARAMETER :: la865 = 5
83  INTEGER, PARAMETER :: nbre_RH=12
84  INTEGER, PARAMETER :: naero_soluble=7   !  1- BC soluble; 2- POM soluble; 3- SO4 acc.
85                                          !  4- SO4 coarse; 5 seasalt super-C; 6 seasalt coarse; 7 seasalt acc.
86  INTEGER, PARAMETER :: naero_insoluble=3 !  1- Dust; 2- BC insoluble; 3- POM insoluble
87
88  REAL :: zrho
89
90  REAL, PARAMETER :: RH_tab(nbre_RH)=(/0.,10.,20.,30.,40.,50.,60.,70.,80.,85.,90.,95./)
91  REAL, PARAMETER :: RH_MAX=95.
92  REAL :: delta(klon,klev), rh(klon,klev)
93  REAL :: tau_ae5wv_int   ! Intermediate computation of epaisseur optique aerosol
94  REAL :: od670aer(klon)  ! epaisseur optique aerosol extinction 670 nm
95  REAL :: fac
96  REAL :: zdp1(klon,klev)
97  INTEGER, ALLOCATABLE, DIMENSION(:)  :: aerosol_name
98  INTEGER :: nb_aer, itau
99  LOGICAL :: ok_itau
100 
101  REAL :: dh(KLON,KLEV)
102 
103   ! Soluble components 1- BC soluble; 2- POM soluble; 3- SO4 acc.; 4- SO4 coarse; 5 seasalt super-coarse; 6 seasalt coarse; 7 seasalt acc.
104  REAL :: alpha_aers_5wv(nbre_RH,las,naero_soluble)   ! Ext. coeff. ** m2/g
105   ! Insoluble components 1- Dust: 2- BC; 3- POM
106  REAL :: alpha_aeri_5wv(las,naero_insoluble)         ! Ext. coeff. ** m2/g
107
108  REAL, DIMENSION(klon,klev,naero_tot) :: mass_temp
109 
110  !
111  ! Proprietes optiques
112  !
113  REAL :: fact_RH(nbre_RH)
114  LOGICAL :: used_tau(naero_tot)
115  INTEGER :: n
116
117! From here on we look at the optical parameters at 5 wavelengths: 
118! 443nm, 550, 670, 765 and 865 nm
119!                                   le 12 AVRIL 2006
120! 
121 DATA alpha_aers_5wv/ &
122                                ! bc soluble
123       7.930,7.930,7.930,7.930,7.930,7.930,     &
124       7.930,7.930,10.893,12.618,14.550,16.613, &
125       7.658,7.658,7.658,7.658,7.658,7.658,     &
126       7.658,7.658,10.351,11.879,13.642,15.510, &
127       7.195,7.195,7.195,7.195,7.195,7.195,     &
128       7.195,7.195,9.551,10.847,12.381,13.994,  &
129       6.736,6.736,6.736,6.736,6.736,6.736,     &
130       6.736,6.736,8.818,9.938,11.283,12.687,   &
131       6.277,6.277,6.277,6.277,6.277,6.277,     &
132       6.277,6.277,8.123,9.094,10.275,11.501,   &
133                                ! pom soluble
134       6.676,6.676,6.676,6.676,6.710,6.934,   &
135       7.141,7.569,8.034,8.529,9.456,10.511,  &
136       5.109,5.109,5.109,5.109,5.189,5.535,   &
137       5.960,6.852,8.008,9.712,12.897,19.676, &
138       3.718,3.718,3.718,3.718,3.779,4.042,   &
139       4.364,5.052,5.956,7.314,9.896,15.688,  &
140       2.849,2.849,2.849,2.849,2.897,3.107,   &
141       3.365,3.916,4.649,5.760,7.900,12.863,  &
142       2.229,2.229,2.229,2.229,2.268,2.437,   &
143       2.645,3.095,3.692,4.608,6.391,10.633,  &
144                                ! Sulfate (Accumulation)
145       5.751,6.215,6.690,7.024,7.599,8.195,      &
146       9.156,10.355,12.660,14.823,18.908,24.508, &
147       4.320,4.675,5.052,5.375,5.787,6.274,      &
148       7.066,8.083,10.088,12.003,15.697,21.133,  &
149       3.079,3.351,3.639,3.886,4.205,4.584,      &
150       5.206,6.019,7.648,9.234,12.391,17.220,    &
151       2.336,2.552,2.781,2.979,3.236,3.540,      &
152       4.046,4.711,6.056,7.388,10.093,14.313,    &
153       1.777,1.949,2.134,2.292,2.503,2.751,      &
154       3.166,3.712,4.828,5.949,8.264,11.922,     &
155                                ! Sulfate (Coarse)
156       5.751,6.215,6.690,7.024,7.599,8.195,      &
157       9.156,10.355,12.660,14.823,18.908,24.508, &
158       4.320,4.675,5.052,5.375,5.787,6.274,      &
159       7.066,8.083,10.088,12.003,15.697,21.133,  &
160       3.079,3.351,3.639,3.886,4.205,4.584,      &
161       5.206,6.019,7.648,9.234,12.391,17.220,    &
162       2.336,2.552,2.781,2.979,3.236,3.540,      &
163       4.046,4.711,6.056,7.388,10.093,14.313,    &
164       1.777,1.949,2.134,2.292,2.503,2.751,      &
165       3.166,3.712,4.828,5.949,8.264,11.922,     &
166                           ! seasalt seasalt Super Coarse Soluble (SS)
167        0.218, 0.272, 0.293, 0.316, 0.343, 0.380, &
168        0.429, 0.501, 0.636, 0.755, 0.967, 1.495, &
169        0.221, 0.275, 0.297, 0.320, 0.348, 0.383, &
170        0.432, 0.509, 0.640, 0.759, 0.972, 1.510, &
171        0.224, 0.279, 0.301, 0.324, 0.352, 0.388, &
172        0.438, 0.514, 0.647, 0.768, 0.985, 1.514, &
173        0.227, 0.282, 0.303, 0.327, 0.356, 0.392, &
174        0.441, 0.518, 0.652, 0.770, 0.987, 1.529, &
175        0.230, 0.285, 0.306, 0.330, 0.359, 0.396, &
176        0.446, 0.522, 0.656, 0.777, 0.993, 1.539, &
177                           ! seasalt seasalt Coarse Soluble (CS)     
178        0.578, 0.706, 0.756, 0.809, 0.876, 0.964, &
179        1.081, 1.256, 1.577, 1.858, 2.366, 3.613, &
180        0.598, 0.725, 0.779, 0.833, 0.898, 0.990, &
181        1.109, 1.290, 1.609, 1.889, 2.398, 3.682, &
182        0.619, 0.750, 0.802, 0.857, 0.927, 1.022, &
183        1.141, 1.328, 1.648, 1.939, 2.455, 3.729, &
184        0.633, 0.767, 0.820, 0.879, 0.948, 1.044, &
185        1.167, 1.353, 1.683, 1.969, 2.491, 3.785, &
186        0.648, 0.785, 0.838, 0.896, 0.967, 1.066, &
187        1.192, 1.381, 1.714, 2.006, 2.531, 3.836, &
188                           ! seasalt seasalt Accumulation Soluble (AS)
189        4.432, 5.899, 6.505, 7.166, 7.964, 7.962, &
190        9.232,11.257,14.979,18.337,24.223,37.811, &
191        3.298, 4.569, 5.110, 5.709, 6.446, 6.268, &
192        7.396, 9.246,12.787,16.113,22.197,37.136, &
193        2.340, 3.358, 3.803, 4.303, 4.928, 4.696, &
194        5.629, 7.198,10.308,13.342,19.120,34.296, &
195        1.789, 2.626, 2.999, 3.422, 3.955, 3.730, &
196        4.519, 5.864, 8.593,11.319,16.653,31.331, &
197        1.359, 2.037, 2.343, 2.693, 3.139, 2.940, &
198        3.596, 4.729, 7.076, 9.469,14.266,28.043 /
199
200  DATA alpha_aeri_5wv/ &
201                                 ! dust insoluble
202        0.759, 0.770, 0.775, 0.775, 0.772, &
203                                 !!jb bc insoluble
204        11.536,10.033, 8.422, 7.234, 6.270, &
205                                 ! pom insoluble
206        5.042, 3.101, 1.890, 1.294, 0.934/
207  !
208  ! Initialisations
209  ai(:) = 0.
210  tausum(:,:,:) = 0.
211
212  DO k=1, klev
213    DO i=1, klon
214      zrho=pplay(i,k)/t_seri(i,k)/RD                  ! kg/m3
215      dh(i,k)=pdel(i,k)/(RG*zrho)
216!CDIR UNROLL=naero_spc
217      mass_temp(i,k,:) = m_allaer(i,k,:) / zrho / 1.e+9
218      zdp1(i,k)=pdel(i,k)/(RG*delt)     ! air mass auxiliary  variable --> zdp1 [kg/(m^2 *s)]
219    ENDDO
220  ENDDO
221
222  IF (flag_aerosol .EQ. 1) THEN
223     nb_aer = 2
224     ALLOCATE (aerosol_name(nb_aer))
225     aerosol_name(1) = id_ASSO4M_phy
226     aerosol_name(2) = id_CSSO4M_phy
227  ELSEIF (flag_aerosol .EQ. 2) THEN
228     nb_aer = 2
229     ALLOCATE (aerosol_name(nb_aer))
230     aerosol_name(1) = id_ASBCM_phy
231     aerosol_name(2) = id_AIBCM_phy
232  ELSEIF (flag_aerosol .EQ. 3) THEN
233     nb_aer = 2
234     ALLOCATE (aerosol_name(nb_aer))
235     aerosol_name(1) = id_ASPOMM_phy
236     aerosol_name(2) = id_AIPOMM_phy
237  ELSEIF (flag_aerosol .EQ. 4) THEN
238     nb_aer = 3
239     ALLOCATE (aerosol_name(nb_aer))
240     aerosol_name(1) = id_CSSSM_phy
241     aerosol_name(2) = id_SSSSM_phy
242     aerosol_name(3) = id_ASSSM_phy
243  ELSEIF (flag_aerosol .EQ. 5) THEN
244     nb_aer = 1
245     ALLOCATE (aerosol_name(nb_aer))
246     aerosol_name(1) = id_CIDUSTM_phy
247  ELSEIF (flag_aerosol .EQ. 6) THEN
248     nb_aer = 10
249     ALLOCATE (aerosol_name(nb_aer))
250     aerosol_name(1) = id_ASSO4M_phy     
251     aerosol_name(2) = id_ASBCM_phy
252     aerosol_name(3) = id_AIBCM_phy
253     aerosol_name(4) = id_ASPOMM_phy
254     aerosol_name(5) = id_AIPOMM_phy
255     aerosol_name(6) = id_CSSSM_phy
256     aerosol_name(7) = id_SSSSM_phy
257     aerosol_name(8) = id_ASSSM_phy
258     aerosol_name(9) = id_CIDUSTM_phy
259     aerosol_name(10) = id_CSSO4M_phy
260  ENDIF
261
262  !
263  ! Loop over modes, use of precalculated nmd and corresponding sigma
264  !    loop over wavelengths
265  !    for each mass species in mode
266  !      interpolate from Sext to retrieve Sext_at_gridpoint_per_species
267  !      compute optical_thickness_at_gridpoint_per_species
268  !
269  ! Calculations that need to be done since we are not in the subroutines INCA
270  !     
271
272!CDIR ON_ADB(RH_tab)
273!CDIR ON_ADB(fact_RH)
274!CDIR NOVECTOR
275  DO n=1,nbre_RH-1
276    fact_RH(n)=1./(RH_tab(n+1)-RH_tab(n))
277  ENDDO
278   
279  DO k=1, KLEV
280!CDIR ON_ADB(RH_tab)
281!CDIR ON_ADB(fact_RH)
282    DO i=1, KLON
283      rh(i,k)=MIN(RHcl(i,k)*100.,RH_MAX)
284      RH_num(i,k) = INT( rh(i,k)/10. + 1.)
285      IF (rh(i,k).GT.85.) RH_num(i,k)=10
286      IF (rh(i,k).GT.90.) RH_num(i,k)=11
287      delta(i,k)=(rh(i,k)-RH_tab(RH_num(i,k)))*fact_RH(RH_num(i,k))
288    ENDDO
289  ENDDO
290
291!CDIR SHORTLOOP 
292  used_tau(:)=.FALSE.
293   
294  DO m=1,nb_aer   ! tau is only computed for each mass   
295    fac=1.0
296    IF (aerosol_name(m).EQ.id_ASBCM_phy) THEN
297        soluble=.TRUE.
298        spsol=1
299    ELSEIF (aerosol_name(m).EQ.id_ASPOMM_phy) THEN
300        soluble=.TRUE.
301        spsol=2
302    ELSEIF (aerosol_name(m).EQ.id_ASSO4M_phy) THEN
303        soluble=.TRUE.
304        spsol=3
305        fac=1.375    ! (NH4)2-SO4/SO4 132/96 mass conversion factor for OD
306    ELSEIF (aerosol_name(m).EQ.id_CSSO4M_phy) THEN
307        soluble=.TRUE.
308        spsol=4
309        fac=1.375    ! (NH4)2-SO4/SO4 132/96 mass conversion factor for OD
310    ELSEIF (aerosol_name(m).EQ.id_SSSSM_phy) THEN
311        soluble=.TRUE.
312        spsol=5
313    ELSEIF (aerosol_name(m).EQ.id_CSSSM_phy) THEN
314        soluble=.TRUE.
315        spsol=6
316    ELSEIF (aerosol_name(m).EQ.id_ASSSM_phy) THEN
317        soluble=.TRUE.
318        spsol=7
319    ELSEIF (aerosol_name(m).EQ.id_CIDUSTM_phy) THEN
320        soluble=.FALSE.
321        spinsol=1
322    ELSEIF  (aerosol_name(m).EQ.id_AIBCM_phy) THEN
323        soluble=.FALSE.
324        spinsol=2
325    ELSEIF (aerosol_name(m).EQ.id_AIPOMM_phy) THEN
326        soluble=.FALSE.
327        spinsol=3
328    ELSE
329        CYCLE
330    ENDIF
331
332    IF (soluble) then
333      used_tau(spsol)=.TRUE.
334    ELSE
335      used_tau(naero_soluble+spinsol)=.TRUE.
336    ENDIF
337
338    aerindex=aerosol_name(m)
339
340    DO la=1,las
341
342      IF (soluble) THEN            ! For soluble aerosol
343
344          DO k=1, KLEV
345            DO i=1, KLON
346              tau_ae5wv_int = alpha_aers_5wv(RH_num(i,k),la,spsol)+DELTA(i,k)* &
347                             (alpha_aers_5wv(RH_num(i,k)+1,la,spsol) - &
348                              alpha_aers_5wv(RH_num(i,k),la,spsol))
349              tau(i,k,la,aerindex) = mass_temp(i,k,aerindex)*1000.*zdp1(i,k)*   &
350                                    tau_ae5wv_int*delt*fac
351              tausum(i,la,aerindex)=tausum(i,la,aerindex)+tau(i,k,la,aerindex)
352            ENDDO
353          ENDDO
354 
355      ELSE                         ! For insoluble aerosol
356
357        DO k=1, KLEV
358          DO i=1, KLON
359            tau_ae5wv_int = alpha_aeri_5wv(la,spinsol)
360            tau(i,k,la,aerindex) = mass_temp(i,k,aerindex)*1000.*zdp1(i,k)* &
361                                   tau_ae5wv_int*delt*fac
362            tausum(i,la,aerindex)= tausum(i,la,aerindex)+tau(i,k,la,aerindex)
363          ENDDO
364        ENDDO
365
366      ENDIF
367
368    ENDDO   ! Boucle sur les longueurs d'onde
369  ENDDO     ! Boucle sur les masses de traceurs
370
371  DO m=1,naero_tot
372    IF (.NOT.used_tau(m)) tau(:,:,:,m)=0.
373  ENDDO 
374
375  DO i=1, klon
376     od550aer(i)=0.
377     DO m=1,naero_tot
378        od550aer(i)=od550aer(i)+tausum(i,la550,m)
379     END DO
380  END DO
381
382  DO i=1, klon
383     od670aer(i)=0.
384     DO m=1,naero_tot
385        od670aer(i)=od670aer(i)+tausum(i,la670,m)
386     END DO
387  END DO
388
389  DO i=1, klon
390     od865aer(i)=0.
391     DO m=1,naero_tot
392        od865aer(i)=od865aer(i)+tausum(i,la865,m)
393     END DO
394  END DO
395
396  DO i=1, klon
397     DO k=1, KLEV
398        ec550aer(i,k)=0.
399        DO m=1,naero_tot
400           ec550aer(i,k)=ec550aer(i,k)+tau(i,k,la550,m)/dh(i,k)
401        END DO
402     END DO
403  END DO
404 
405  DO i=1, klon
406    ai(i)=-LOG(MAX(od670aer(i),1.e-8)/MAX(od865aer(i),1.e-8))/LOG(670./865.)
407  ENDDO
408
409  od550lt1aer(:)=tausum(:,la550,id_ASSO4M_phy)+tausum(:,la550,id_ASBCM_phy) +tausum(:,la550,id_AIBCM_phy)+ &
410                 tausum(:,la550,id_ASPOMM_phy)+tausum(:,la550,id_AIPOMM_phy)+tausum(:,la550,id_ASSSM_phy)+ &
411                 0.03*tausum(:,la550,id_CSSSM_phy)+0.4*tausum(:,la550,id_CIDUSTM_phy)
412
413  DEALLOCATE(aerosol_name)
414 
415END SUBROUTINE AEROPT_5WV_RRTM
Note: See TracBrowser for help on using the repository browser.