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callcorrk.F90 @ 1714

Last change on this file since 1714 was 1714, checked in by mturbet, 7 years ago
kcm1d like a phoenix rises from the ashes, part I
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1	subroutine callcorrk(ngrid,nlayer,pq,nq,qsurf, &
2	albedo,albedo_equivalent,emis,mu0,pplev,pplay,pt, &
3	tsurf,fract,dist_star,aerosol,muvar, &
4	dtlw,dtsw,fluxsurf_lw, &
5	fluxsurf_sw,fluxsurfabs_sw,fluxtop_lw, &
6	fluxabs_sw,fluxtop_dn, &
7	OLR_nu,OSR_nu, &
8	tau_col,cloudfrac,totcloudfrac, &
9	clearsky,firstcall,lastcall)
10
11	use mod_phys_lmdz_para, only : is_master
12	use radinc_h
13	use radcommon_h
14	use watercommon_h
15	use datafile_mod, only: datadir
16	use ioipsl_getin_p_mod, only: getin_p
17	use gases_h
18	use radii_mod, only : su_aer_radii,co2_reffrad,h2o_reffrad,dust_reffrad,h2so4_reffrad,back2lay_reffrad
19	use aerosol_mod, only : iaero_co2,iaero_h2o,iaero_dust,iaero_h2so4, iaero_back2lay, iaero_nh3, iaero_aurora
20	USE tracer_h
21	use comcstfi_mod, only: pi, mugaz, cpp
22	use callkeys_mod, only: varactive,diurnal,tracer,water,varfixed,satval, &
23	kastprof,strictboundcorrk,specOLR,CLFvarying
24
25	implicit none
26
27	!==================================================================
28	!
29	! Purpose
30	! -------
31	! Solve the radiative transfer using the correlated-k method for
32	! the gaseous absorption and the Toon et al. (1989) method for
33	! scatttering due to aerosols.
34	!
35	! Authors
36	! -------
37	! Emmanuel 01/2001, Forget 09/2001
38	! Robin Wordsworth (2009)
39	!
40	!==================================================================
41
42	!-----------------------------------------------------------------------
43	! Declaration of the arguments (INPUT - OUTPUT) on the LMD GCM grid
44	! Layer #1 is the layer near the ground.
45	! Layer #nlayer is the layer at the top.
46	!-----------------------------------------------------------------------
47
48
49	! INPUT
50	INTEGER,INTENT(IN) :: ngrid ! Number of atmospheric columns.
51	INTEGER,INTENT(IN) :: nlayer ! Number of atmospheric layers.
52	REAL,INTENT(IN) :: pq(ngrid,nlayer,nq) ! Tracers (kg/kg_of_air).
53	INTEGER,INTENT(IN) :: nq ! Number of tracers.
54	REAL,INTENT(IN) :: qsurf(ngrid,nq) ! Tracers on surface (kg.m-2).
55	REAL,INTENT(IN) :: albedo(ngrid,L_NSPECTV) ! Spectral Short Wavelengths Albedo. By MT2015
56	REAL,INTENT(IN) :: emis(ngrid) ! Long Wave emissivity.
57	REAL,INTENT(IN) :: mu0(ngrid) ! Cosine of sun incident angle.
58	REAL,INTENT(IN) :: pplev(ngrid,nlayer+1) ! Inter-layer pressure (Pa).
59	REAL,INTENT(IN) :: pplay(ngrid,nlayer) ! Mid-layer pressure (Pa).
60	REAL,INTENT(IN) :: pt(ngrid,nlayer) ! Air temperature (K).
61	REAL,INTENT(IN) :: tsurf(ngrid) ! Surface temperature (K).
62	REAL,INTENT(IN) :: fract(ngrid) ! Fraction of day.
63	REAL,INTENT(IN) :: dist_star ! Distance star-planet (AU).
64	REAL,INTENT(IN) :: muvar(ngrid,nlayer+1)
65	REAL,INTENT(IN) :: cloudfrac(ngrid,nlayer) ! Fraction of clouds (%).
66	logical,intent(in) :: clearsky
67	logical,intent(in) :: firstcall ! Signals first call to physics.
68	logical,intent(in) :: lastcall ! Signals last call to physics.
69
70	! OUTPUT
71	REAL,INTENT(OUT) :: aerosol(ngrid,nlayer,naerkind) ! Aerosol tau (kg/kg).
72	REAL,INTENT(OUT) :: dtlw(ngrid,nlayer) ! Heating rate (K/s) due to LW radiation.
73	REAL,INTENT(OUT) :: dtsw(ngrid,nlayer) ! Heating rate (K/s) due to SW radiation.
74	REAL,INTENT(OUT) :: fluxsurf_lw(ngrid) ! Incident LW flux to surf (W/m2).
75	REAL,INTENT(OUT) :: fluxsurf_sw(ngrid) ! Incident SW flux to surf (W/m2)
76	REAL,INTENT(OUT) :: fluxsurfabs_sw(ngrid) ! Absorbed SW flux by the surface (W/m2). By MT2015.
77	REAL,INTENT(OUT) :: fluxtop_lw(ngrid) ! Outgoing LW flux to space (W/m2).
78	REAL,INTENT(OUT) :: fluxabs_sw(ngrid) ! SW flux absorbed by the planet (W/m2).
79	REAL,INTENT(OUT) :: fluxtop_dn(ngrid) ! Incident top of atmosphere SW flux (W/m2).
80	REAL,INTENT(OUT) :: OLR_nu(ngrid,L_NSPECTI) ! Outgoing LW radition in each band (Normalized to the band width (W/m2/cm-1).
81	REAL,INTENT(OUT) :: OSR_nu(ngrid,L_NSPECTV) ! Outgoing SW radition in each band (Normalized to the band width (W/m2/cm-1).
82	REAL,INTENT(OUT) :: tau_col(ngrid) ! Diagnostic from aeropacity.
83	REAL,INTENT(OUT) :: albedo_equivalent(ngrid) ! Spectrally Integrated Albedo. For Diagnostic. By MT2015
84	REAL,INTENT(OUT) :: totcloudfrac(ngrid) ! Column Fraction of clouds (%).
85
86
87
88
89
90	! Globally varying aerosol optical properties on GCM grid ; not needed everywhere so not in radcommon_h.
91	REAL :: QVISsQREF3d(ngrid,nlayer,L_NSPECTV,naerkind)
92	REAL :: omegaVIS3d(ngrid,nlayer,L_NSPECTV,naerkind)
93	REAL :: gVIS3d(ngrid,nlayer,L_NSPECTV,naerkind)
94	REAL :: QIRsQREF3d(ngrid,nlayer,L_NSPECTI,naerkind)
95	REAL :: omegaIR3d(ngrid,nlayer,L_NSPECTI,naerkind)
96	REAL :: gIR3d(ngrid,nlayer,L_NSPECTI,naerkind)
97
98	! REAL :: omegaREFvis3d(ngrid,nlayer,naerkind)
99	! REAL :: omegaREFir3d(ngrid,nlayer,naerkind) ! not sure of the point of these...
100
101	REAL,ALLOCATABLE,SAVE :: reffrad(:,:,:) ! aerosol effective radius (m)
102	REAL,ALLOCATABLE,SAVE :: nueffrad(:,:,:) ! aerosol effective variance
103	!$OMP THREADPRIVATE(reffrad,nueffrad)
104
105	!-----------------------------------------------------------------------
106	! Declaration of the variables required by correlated-k subroutines
107	! Numbered from top to bottom (unlike in the GCM)
108	!-----------------------------------------------------------------------
109
110	REAL*8 tmid(L_LEVELS),pmid(L_LEVELS)
111	REAL*8 tlevrad(L_LEVELS),plevrad(L_LEVELS)
112
113	! Optical values for the optci/cv subroutines
114	REAL*8 stel(L_NSPECTV),stel_fract(L_NSPECTV)
115	REAL*8 dtaui(L_NLAYRAD,L_NSPECTI,L_NGAUSS)
116	REAL*8 dtauv(L_NLAYRAD,L_NSPECTV,L_NGAUSS)
117	REAL*8 cosbv(L_NLAYRAD,L_NSPECTV,L_NGAUSS)
118	REAL*8 cosbi(L_NLAYRAD,L_NSPECTI,L_NGAUSS)
119	REAL*8 wbari(L_NLAYRAD,L_NSPECTI,L_NGAUSS)
120	REAL*8 wbarv(L_NLAYRAD,L_NSPECTV,L_NGAUSS)
121	REAL*8 tauv(L_NLEVRAD,L_NSPECTV,L_NGAUSS)
122	REAL*8 taucumv(L_LEVELS,L_NSPECTV,L_NGAUSS)
123	REAL*8 taucumi(L_LEVELS,L_NSPECTI,L_NGAUSS)
124
125	REAL*8 tauaero(L_LEVELS+1,naerkind)
126	REAL*8 nfluxtopv,nfluxtopi,nfluxtop,fluxtopvdn
127	REAL*8 nfluxoutv_nu(L_NSPECTV) ! Outgoing band-resolved VI flux at TOA (W/m2).
128	REAL*8 nfluxtopi_nu(L_NSPECTI) ! Net band-resolved IR flux at TOA (W/m2).
129	REAL*8 fluxupi_nu(L_NLAYRAD,L_NSPECTI) ! For 1D diagnostic.
130	REAL*8 fmneti(L_NLAYRAD),fmnetv(L_NLAYRAD)
131	REAL*8 fluxupv(L_NLAYRAD),fluxupi(L_NLAYRAD)
132	REAL*8 fluxdnv(L_NLAYRAD),fluxdni(L_NLAYRAD)
133	REAL*8 albi,acosz
134	REAL*8 albv(L_NSPECTV) ! Spectral Visible Albedo.
135
136	INTEGER ig,l,k,nw,iaer
137
138	real szangle
139	logical global1d
140	save szangle,global1d
141	!$OMP THREADPRIVATE(szangle,global1d)
142	real*8 taugsurf(L_NSPECTV,L_NGAUSS-1)
143	real*8 taugsurfi(L_NSPECTI,L_NGAUSS-1)
144	real*8 qvar(L_LEVELS) ! Mixing ratio of variable component (mol/mol).
145
146	! Local aerosol optical properties for each column on RADIATIVE grid.
147	real*8,save,allocatable :: QXVAER(:,:,:)
148	real*8,save,allocatable :: QSVAER(:,:,:)
149	real*8,save,allocatable :: GVAER(:,:,:)
150	real*8,save,allocatable :: QXIAER(:,:,:)
151	real*8,save,allocatable :: QSIAER(:,:,:)
152	real*8,save,allocatable :: GIAER(:,:,:)
153
154	real, dimension(:,:,:), save, allocatable :: QREFvis3d
155	real, dimension(:,:,:), save, allocatable :: QREFir3d
156	!$OMP THREADPRIVATE(QXVAER,QSVAER,GVAER,QXIAER,QSIAER,GIAER,QREFvis3d,QREFir3d)
157
158
159	! Miscellaneous :
160	real*8 temp,temp1,temp2,pweight
161	character(len=10) :: tmp1
162	character(len=10) :: tmp2
163
164	! For fixed water vapour profiles.
165	integer i_var
166	real RH
167	real*8 pq_temp(nlayer)
168	! real(KIND=r8) :: pq_temp(nlayer) ! better F90 way.. DOESNT PORT TO F77!!!
169	real ptemp, Ttemp, qsat
170
171	logical OLRz
172	real*8 NFLUXGNDV_nu(L_NSPECTV)
173
174	! Included by RW for runaway greenhouse 1D study.
175	real vtmp(nlayer)
176	REAL*8 muvarrad(L_LEVELS)
177
178	! Included by MT for albedo calculations.
179	REAL*8 albedo_temp(L_NSPECTV) ! For equivalent albedo calculation.
180	REAL*8 surface_stellar_flux ! Stellar flux reaching the surface. Useful for equivalent albedo calculation.
181
182
183	!===============================================================
184	! I.a Initialization on first call
185	!===============================================================
186
187
188	if(firstcall) then
189
190	! test on allocated necessary because of CLFvarying (two calls to callcorrk in physiq)
191	if(.not.allocated(QXVAER)) allocate(QXVAER(L_LEVELS+1,L_NSPECTV,naerkind))
192	if(.not.allocated(QSVAER)) allocate(QSVAER(L_LEVELS+1,L_NSPECTV,naerkind))
193	if(.not.allocated(GVAER)) allocate(GVAER(L_LEVELS+1,L_NSPECTV,naerkind))
194	if(.not.allocated(QXIAER)) allocate(QXIAER(L_LEVELS+1,L_NSPECTI,naerkind))
195	if(.not.allocated(QSIAER)) allocate(QSIAER(L_LEVELS+1,L_NSPECTI,naerkind))
196	if(.not.allocated(GIAER)) allocate(GIAER(L_LEVELS+1,L_NSPECTI,naerkind))
197
198	!!! ALLOCATED instances are necessary because of CLFvarying (strategy to call callcorrk twice in physiq...)
199	IF(.not.ALLOCATED(QREFvis3d)) ALLOCATE(QREFvis3d(ngrid,nlayer,naerkind))
200	IF(.not.ALLOCATED(QREFir3d)) ALLOCATE(QREFir3d(ngrid,nlayer,naerkind))
201	! Effective radius and variance of the aerosols
202	IF(.not.ALLOCATED(reffrad)) allocate(reffrad(ngrid,nlayer,naerkind))
203	IF(.not.ALLOCATED(nueffrad)) allocate(nueffrad(ngrid,nlayer,naerkind))
204
205	call system('rm -f surf_vals_long.out')
206
207	if(naerkind.gt.4)then
208	print*,'Code not general enough to deal with naerkind > 4 yet.'
209	call abort
210	endif
211	call su_aer_radii(ngrid,nlayer,reffrad,nueffrad)
212
213
214	!--------------------------------------------------
215	! Set up correlated k
216	!--------------------------------------------------
217
218
219	print*, "callcorrk: Correlated-k data base folder:",trim(datadir)
220	call getin_p("corrkdir",corrkdir)
221	print*, "corrkdir = ",corrkdir
222	write( tmp1, '(i3)' ) L_NSPECTI
223	write( tmp2, '(i3)' ) L_NSPECTV
224	banddir=trim(adjustl(tmp1))//'x'//trim(adjustl(tmp2))
225	banddir=trim(adjustl(corrkdir))//'/'//trim(adjustl(banddir))
226
227	call setspi ! Basic infrared properties.
228	call setspv ! Basic visible properties.
229	call sugas_corrk ! Set up gaseous absorption properties.
230	call suaer_corrk ! Set up aerosol optical properties.
231
232
233	if((igcm_h2o_vap.eq.0) .and. varactive)then
234	print*,'varactive in callcorrk but no h2o_vap tracer.'
235	stop
236	endif
237
238	OLR_nu(:,:) = 0.
239	OSR_nu(:,:) = 0.
240
241	if (ngrid.eq.1) then
242	PRINT*, 'Simulate global averaged conditions ?'
243	global1d = .false. ! default value
244	call getin_p("global1d",global1d)
245	write(,) "global1d = ",global1d
246
247	! Test of incompatibility : if global1d is true, there should not be any diurnal cycle.
248	if (global1d.and.diurnal) then
249	print*,'if global1d is true, diurnal must be set to false'
250	stop
251	endif
252
253	if (global1d) then
254	PRINT *,'Solar Zenith angle (deg.) ?'
255	PRINT *,'(assumed for averaged solar flux S/4)'
256	szangle=60.0 ! default value
257	call getin_p("szangle",szangle)
258	write(,) "szangle = ",szangle
259	endif
260	endif
261
262	end if ! of if (firstcall)
263
264	!=======================================================================
265	! I.b Initialization on every call
266	!=======================================================================
267
268	qxvaer(:,:,:)=0.0
269	qsvaer(:,:,:)=0.0
270	gvaer(:,:,:) =0.0
271
272	qxiaer(:,:,:)=0.0
273	qsiaer(:,:,:)=0.0
274	giaer(:,:,:) =0.0
275
276	!--------------------------------------------------
277	! Effective radius and variance of the aerosols
278	!--------------------------------------------------
279
280	do iaer=1,naerkind
281
282	if ((iaer.eq.iaero_co2).and.tracer.and.(igcm_co2_ice.gt.0)) then ! Treat condensed co2 particles.
283	call co2_reffrad(ngrid,nlayer,nq,pq,reffrad(1,1,iaero_co2))
284	if (is_master) then
285	print*,'Max. CO2 ice particle size = ',maxval(reffrad(1:ngrid,1:nlayer,iaer))/1.e-6,' um'
286	print*,'Min. CO2 ice particle size = ',minval(reffrad(1:ngrid,1:nlayer,iaer))/1.e-6,' um'
287	end if
288	end if
289
290	if ((iaer.eq.iaero_h2o).and.water) then ! Treat condensed water particles. To be generalized for other aerosols ...
291	call h2o_reffrad(ngrid,nlayer,pq(1,1,igcm_h2o_ice),pt, &
292	reffrad(1,1,iaero_h2o),nueffrad(1,1,iaero_h2o))
293	if (is_master) then
294	print*,'Max. H2O cloud particle size = ',maxval(reffrad(1:ngrid,1:nlayer,iaer))/1.e-6,' um'
295	print*,'Min. H2O cloud particle size = ',minval(reffrad(1:ngrid,1:nlayer,iaer))/1.e-6,' um'
296	end if
297	endif
298
299	if(iaer.eq.iaero_dust)then
300	call dust_reffrad(ngrid,nlayer,reffrad(1,1,iaero_dust))
301	if (is_master) then
302	print*,'Dust particle size = ',reffrad(1,1,iaer)/1.e-6,' um'
303	end if
304	endif
305
306	if(iaer.eq.iaero_h2so4)then
307	call h2so4_reffrad(ngrid,nlayer,reffrad(1,1,iaero_h2so4))
308	if (is_master) then
309	print*,'H2SO4 particle size =',reffrad(1,1,iaer)/1.e-6,' um'
310	end if
311	endif
312
313	if(iaer.eq.iaero_back2lay)then
314	call back2lay_reffrad(ngrid,reffrad(1,1,iaero_back2lay),nlayer,pplev)
315	endif
316	! if(iaer.eq.iaero_nh3)then
317	! call nh3_reffrad(ngrid,nlayer,reffrad(1,1,iaero_nh3))
318	! endif
319	! if(iaer.eq.iaero_aurora)then
320	! call aurora_reffrad(ngrid,nlayer,reffrad(1,1,iaero_aurora))
321	! endif
322
323	end do !iaer=1,naerkind.
324
325	! How much light do we get ?
326	do nw=1,L_NSPECTV
327	stel(nw)=stellarf(nw)/(dist_star**2)
328	end do
329
330	! Get 3D aerosol optical properties.
331	call aeroptproperties(ngrid,nlayer,reffrad,nueffrad, &
332	QVISsQREF3d,omegaVIS3d,gVIS3d, &
333	QIRsQREF3d,omegaIR3d,gIR3d, &
334	QREFvis3d,QREFir3d)
335
336	! Get aerosol optical depths.
337	call aeropacity(ngrid,nlayer,nq,pplay,pplev,pq,aerosol, &
338	reffrad,QREFvis3d,QREFir3d, &
339	tau_col,cloudfrac,totcloudfrac,clearsky)
340
341
342
343	!-----------------------------------------------------------------------
344	do ig=1,ngrid ! Starting Big Loop over every GCM column
345	!-----------------------------------------------------------------------
346
347
348	!=======================================================================
349	! II. Transformation of the GCM variables
350	!=======================================================================
351
352
353	!-----------------------------------------------------------------------
354	! Aerosol optical properties Qext, Qscat and g.
355	! The transformation in the vertical is the same as for temperature.
356	!-----------------------------------------------------------------------
357
358
359	do iaer=1,naerkind
360	! Shortwave.
361	do nw=1,L_NSPECTV
362
363	do l=1,nlayer
364
365	temp1=QVISsQREF3d(ig,nlayer+1-l,nw,iaer) &
366	*QREFvis3d(ig,nlayer+1-l,iaer)
367
368	temp2=QVISsQREF3d(ig,max(nlayer-l,1),nw,iaer) &
369	*QREFvis3d(ig,max(nlayer-l,1),iaer)
370
371	qxvaer(2*l,nw,iaer) = temp1
372	qxvaer(2*l+1,nw,iaer)=(temp1+temp2)/2
373
374	temp1=temp1*omegavis3d(ig,nlayer+1-l,nw,iaer)
375	temp2=temp2*omegavis3d(ig,max(nlayer-l,1),nw,iaer)
376
377	qsvaer(2*l,nw,iaer) = temp1
378	qsvaer(2*l+1,nw,iaer)=(temp1+temp2)/2
379
380	temp1=gvis3d(ig,nlayer+1-l,nw,iaer)
381	temp2=gvis3d(ig,max(nlayer-l,1),nw,iaer)
382
383	gvaer(2*l,nw,iaer) = temp1
384	gvaer(2*l+1,nw,iaer)=(temp1+temp2)/2
385
386	end do ! nlayer
387
388	qxvaer(1,nw,iaer)=qxvaer(2,nw,iaer)
389	qxvaer(2*nlayer+1,nw,iaer)=0.
390
391	qsvaer(1,nw,iaer)=qsvaer(2,nw,iaer)
392	qsvaer(2*nlayer+1,nw,iaer)=0.
393
394	gvaer(1,nw,iaer)=gvaer(2,nw,iaer)
395	gvaer(2*nlayer+1,nw,iaer)=0.
396
397	end do ! L_NSPECTV
398
399	do nw=1,L_NSPECTI
400	! Longwave
401	do l=1,nlayer
402
403	temp1=QIRsQREF3d(ig,nlayer+1-l,nw,iaer) &
404	*QREFir3d(ig,nlayer+1-l,iaer)
405
406	temp2=QIRsQREF3d(ig,max(nlayer-l,1),nw,iaer) &
407	*QREFir3d(ig,max(nlayer-l,1),iaer)
408
409	qxiaer(2*l,nw,iaer) = temp1
410	qxiaer(2*l+1,nw,iaer)=(temp1+temp2)/2
411
412	temp1=temp1*omegair3d(ig,nlayer+1-l,nw,iaer)
413	temp2=temp2*omegair3d(ig,max(nlayer-l,1),nw,iaer)
414
415	qsiaer(2*l,nw,iaer) = temp1
416	qsiaer(2*l+1,nw,iaer)=(temp1+temp2)/2
417
418	temp1=gir3d(ig,nlayer+1-l,nw,iaer)
419	temp2=gir3d(ig,max(nlayer-l,1),nw,iaer)
420
421	giaer(2*l,nw,iaer) = temp1
422	giaer(2*l+1,nw,iaer)=(temp1+temp2)/2
423
424	end do ! nlayer
425
426	qxiaer(1,nw,iaer)=qxiaer(2,nw,iaer)
427	qxiaer(2*nlayer+1,nw,iaer)=0.
428
429	qsiaer(1,nw,iaer)=qsiaer(2,nw,iaer)
430	qsiaer(2*nlayer+1,nw,iaer)=0.
431
432	giaer(1,nw,iaer)=giaer(2,nw,iaer)
433	giaer(2*nlayer+1,nw,iaer)=0.
434
435	end do ! L_NSPECTI
436
437	end do ! naerkind
438
439	! Test / Correct for freaky s. s. albedo values.
440	do iaer=1,naerkind
441	do k=1,L_LEVELS+1
442
443	do nw=1,L_NSPECTV
444	if(qsvaer(k,nw,iaer).gt.1.05*qxvaer(k,nw,iaer))then
445	print*,'Serious problems with qsvaer values'
446	print*,'in callcorrk'
447	call abort
448	endif
449	if(qsvaer(k,nw,iaer).gt.qxvaer(k,nw,iaer))then
450	qsvaer(k,nw,iaer)=qxvaer(k,nw,iaer)
451	endif
452	end do
453
454	do nw=1,L_NSPECTI
455	if(qsiaer(k,nw,iaer).gt.1.05*qxiaer(k,nw,iaer))then
456	print*,'Serious problems with qsiaer values'
457	print*,'in callcorrk'
458	call abort
459	endif
460	if(qsiaer(k,nw,iaer).gt.qxiaer(k,nw,iaer))then
461	qsiaer(k,nw,iaer)=qxiaer(k,nw,iaer)
462	endif
463	end do
464
465	end do ! L_LEVELS
466	end do ! naerkind
467
468	!-----------------------------------------------------------------------
469	! Aerosol optical depths
470	!-----------------------------------------------------------------------
471
472	do iaer=1,naerkind ! a bug was here
473	do k=0,nlayer-1
474
475	pweight=(pplay(ig,L_NLAYRAD-k)-pplev(ig,L_NLAYRAD-k+1))/ &
476	(pplev(ig,L_NLAYRAD-k)-pplev(ig,L_NLAYRAD-k+1))
477	temp=aerosol(ig,L_NLAYRAD-k,iaer)/QREFvis3d(ig,L_NLAYRAD-k,iaer)
478	tauaero(2k+2,iaer)=max(temppweight,0.d0)
479	tauaero(2k+3,iaer)=max(temp-tauaero(2k+2,iaer),0.d0)
480
481	end do
482	! boundary conditions
483	tauaero(1,iaer) = tauaero(2,iaer)
484	tauaero(L_LEVELS+1,iaer) = tauaero(L_LEVELS,iaer)
485	!tauaero(1,iaer) = 0.
486	!tauaero(L_LEVELS+1,iaer) = 0.
487
488	end do ! naerkind
489
490	! Albedo and Emissivity.
491	albi=1-emis(ig) ! Long Wave.
492	DO nw=1,L_NSPECTV ! Short Wave loop.
493	albv(nw)=albedo(ig,nw)
494	ENDDO
495
496	if ((ngrid.eq.1).and.(global1d)) then ! Fixed zenith angle 'szangle' in 1D simulations w/ globally-averaged sunlight.
497	acosz = cos(pi*szangle/180.0)
498	print*,'acosz=',acosz,', szangle=',szangle
499	else
500	acosz=mu0(ig) ! Cosine of sun incident angle : 3D simulations or local 1D simulations using latitude.
501	endif
502
503	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
504	!!! Note by JL13 : In the following, some indices were changed in the interpolations,
505	!!! so that the model results are less dependent on the number of layers !
506	!!!
507	!!! --- The older versions are commented with the comment !JL13index ---
508	!!!
509	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
510
511
512	!-----------------------------------------------------------------------
513	! Water vapour (to be generalised for other gases eventually ...)
514	!-----------------------------------------------------------------------
515
516	if(varactive)then
517
518	i_var=igcm_h2o_vap
519	do l=1,nlayer
520	qvar(2*l) = pq(ig,nlayer+1-l,i_var)
521	qvar(2*l+1) = pq(ig,nlayer+1-l,i_var)
522	!JL13index qvar(2*l+1) = (pq(ig,nlayer+1-l,i_var)+pq(ig,max(nlayer-l,1),i_var))/2
523	!JL13index ! Average approximation as for temperature...
524	end do
525	qvar(1)=qvar(2)
526
527	elseif(varfixed)then
528
529	do l=1,nlayer ! Here we will assign fixed water vapour profiles globally.
530	RH = satval * ((pplay(ig,l)/pplev(ig,1) - 0.02) / 0.98)
531	if(RH.lt.0.0) RH=0.0
532
533	ptemp=pplay(ig,l)
534	Ttemp=pt(ig,l)
535	call watersat(Ttemp,ptemp,qsat)
536
537	!pq_temp(l) = qsat ! fully saturated everywhere
538	pq_temp(l) = RH * qsat ! ~realistic profile (e.g. 80% saturation at ground)
539	end do
540
541	do l=1,nlayer
542	qvar(2*l) = pq_temp(nlayer+1-l)
543	qvar(2*l+1) = (pq_temp(nlayer+1-l)+pq_temp(max(nlayer-l,1)))/2
544	end do
545
546	qvar(1)=qvar(2)
547
548	! Lowest layer of atmosphere
549	RH = satval * (1 - 0.02) / 0.98
550	if(RH.lt.0.0) RH=0.0
551
552	! ptemp = pplev(ig,1)
553	! Ttemp = tsurf(ig)
554	! call watersat(Ttemp,ptemp,qsat)
555
556	qvar(2nlayer+1)= RH qsat ! ~realistic profile (e.g. 80% saturation at ground)
557
558	else
559	do k=1,L_LEVELS
560	qvar(k) = 1.0D-7
561	end do
562	end if ! varactive/varfixed
563
564	if(.not.kastprof)then
565	! IMPORTANT: Now convert from kg/kg to mol/mol.
566	do k=1,L_LEVELS
567	qvar(k) = qvar(k)/(epsi+qvar(k)*(1.-epsi))
568	end do
569	end if
570
571	!-----------------------------------------------------------------------
572	! kcm mode only !
573	!-----------------------------------------------------------------------
574
575	if(kastprof)then
576
577	if(.not.global1d)then ! garde-fou/safeguard added by MT (to be removed in the future)
578	write(,) 'You have to fix mu0, '
579	write(,) 'the cosinus of the solar angle'
580	stop
581	endif
582
583	! Initial values equivalent to mugaz.
584	DO l=1,nlayer
585	muvarrad(2*l) = mugaz
586	muvarrad(2*l+1) = mugaz
587	END DO
588
589	if(ngasmx.gt.1)then
590
591	DO l=1,nlayer
592	muvarrad(2*l) = muvar(ig,nlayer+2-l)
593	muvarrad(2*l+1) = (muvar(ig,nlayer+2-l) + &
594	muvar(ig,max(nlayer+1-l,1)))/2
595	END DO
596
597	muvarrad(1) = muvarrad(2)
598	muvarrad(2*nlayer+1) = muvar(ig,1)
599
600	print*,'Recalculating qvar with VARIABLE epsi for kastprof'
601	print*,'Assumes that the variable gas is H2O!!!'
602	print*,'Assumes that there is only one tracer'
603
604	!i_var=igcm_h2o_vap
605	i_var=1
606
607	if(nq.gt.1)then
608	print*,'Need 1 tracer only to run kcm1d.e'
609	stop
610	endif
611
612	do l=1,nlayer
613	vtmp(l)=pq(ig,l,i_var)/(epsi+pq(ig,l,i_var)*(1.-epsi))
614	!vtmp(l)=pq(ig,l,i_var)*muvar(ig,l+1)/mH2O !JL to be changed
615	end do
616
617	do l=1,nlayer
618	qvar(2*l) = vtmp(nlayer+1-l)
619	qvar(2*l+1) = vtmp(nlayer+1-l)
620	! qvar(2*l+1) = ( vtmp(nlayer+1-l) + vtmp(max(nlayer-l,1)) )/2
621	end do
622	qvar(1)=qvar(2)
623
624	print*,'Warning: reducing qvar in callcorrk.'
625	print*,'Temperature profile no longer consistent ', &
626	'with saturated H2O. qsat=',satval
627
628	do k=1,L_LEVELS
629	qvar(k) = qvar(k)*satval
630	end do
631
632	endif
633	else ! if kastprof
634	DO l=1,nlayer
635	muvarrad(2*l) = muvar(ig,nlayer+2-l)
636	muvarrad(2*l+1) = (muvar(ig,nlayer+2-l)+muvar(ig,max(nlayer+1-l,1)))/2
637	END DO
638
639	muvarrad(1) = muvarrad(2)
640	muvarrad(2*nlayer+1)=muvar(ig,1)
641	endif ! if kastprof
642
643	! Keep values inside limits for which we have radiative transfer coefficients !!!
644	if(L_REFVAR.gt.1)then ! (there was a bug here)
645	do k=1,L_LEVELS
646	if(qvar(k).lt.wrefvar(1))then
647	qvar(k)=wrefvar(1)+1.0e-8
648	elseif(qvar(k).gt.wrefvar(L_REFVAR))then
649	qvar(k)=wrefvar(L_REFVAR)-1.0e-8
650	endif
651	end do
652	endif
653
654	!-----------------------------------------------------------------------
655	! Pressure and temperature
656	!-----------------------------------------------------------------------
657
658	DO l=1,nlayer
659	plevrad(2*l) = pplay(ig,nlayer+1-l)/scalep
660	plevrad(2*l+1) = pplev(ig,nlayer+1-l)/scalep
661	tlevrad(2*l) = pt(ig,nlayer+1-l)
662	tlevrad(2*l+1) = (pt(ig,nlayer+1-l)+pt(ig,max(nlayer-l,1)))/2
663	END DO
664
665	plevrad(1) = 0.
666	plevrad(2) = 0. !! Trick to have correct calculations of fluxes in gflux(i/v).F, but the pmid levels are not impacted by this change.
667
668	tlevrad(1) = tlevrad(2)
669	tlevrad(2*nlayer+1)=tsurf(ig)
670
671	pmid(1) = max(pgasmin,0.0001*plevrad(3))
672	pmid(2) = pmid(1)
673
674	tmid(1) = tlevrad(2)
675	tmid(2) = tmid(1)
676
677	DO l=1,L_NLAYRAD-1
678	tmid(2l+1) = tlevrad(2l+1)
679	tmid(2l+2) = tlevrad(2l+1)
680	pmid(2l+1) = plevrad(2l+1)
681	pmid(2l+2) = plevrad(2l+1)
682	END DO
683	pmid(L_LEVELS) = plevrad(L_LEVELS)
684	tmid(L_LEVELS) = tlevrad(L_LEVELS)
685
686	!!Alternative interpolation:
687	! pmid(3) = pmid(1)
688	! pmid(4) = pmid(1)
689	! tmid(3) = tmid(1)
690	! tmid(4) = tmid(1)
691	! DO l=2,L_NLAYRAD-1
692	! tmid(2l+1) = tlevrad(2l)
693	! tmid(2l+2) = tlevrad(2l)
694	! pmid(2l+1) = plevrad(2l)
695	! pmid(2l+2) = plevrad(2l)
696	! END DO
697	! pmid(L_LEVELS) = plevrad(L_LEVELS-1)
698	! tmid(L_LEVELS) = tlevrad(L_LEVELS-1)
699
700	! Test for out-of-bounds pressure.
701	if(plevrad(3).lt.pgasmin)then
702	print*,'Minimum pressure is outside the radiative'
703	print*,'transfer kmatrix bounds, exiting.'
704	call abort
705	elseif(plevrad(L_LEVELS).gt.pgasmax)then
706	print*,'Maximum pressure is outside the radiative'
707	print*,'transfer kmatrix bounds, exiting.'
708	call abort
709	endif
710
711	! Test for out-of-bounds temperature.
712	do k=1,L_LEVELS
713	if(tlevrad(k).lt.tgasmin)then
714	print*,'Minimum temperature is outside the radiative'
715	print*,'transfer kmatrix bounds'
716	print*,"k=",k," tlevrad(k)=",tlevrad(k)
717	print*,"tgasmin=",tgasmin
718	if (strictboundcorrk) then
719	call abort
720	else
721	print,'**********************************************'
722	print*,'we allow model to continue with tlevrad=tgasmin'
723	print*,' ... we assume we know what you are doing ... '
724	print*,' ... but do not let this happen too often ... '
725	print,'**********************************************'
726	!tlevrad(k)=tgasmin
727	endif
728	elseif(tlevrad(k).gt.tgasmax)then
729	print*,'Maximum temperature is outside the radiative'
730	print*,'transfer kmatrix bounds, exiting.'
731	print*,"k=",k," tlevrad(k)=",tlevrad(k)
732	print*,"tgasmax=",tgasmax
733	if (strictboundcorrk) then
734	call abort
735	else
736	print,'**********************************************'
737	print*,'we allow model to continue with tlevrad=tgasmax'
738	print*,' ... we assume we know what you are doing ... '
739	print*,' ... but do not let this happen too often ... '
740	print,'**********************************************'
741	!tlevrad(k)=tgasmax
742	endif
743	endif
744	enddo
745	do k=1,L_NLAYRAD+1
746	if(tmid(k).lt.tgasmin)then
747	print*,'Minimum temperature is outside the radiative'
748	print*,'transfer kmatrix bounds, exiting.'
749	print*,"k=",k," tmid(k)=",tmid(k)
750	print*,"tgasmin=",tgasmin
751	if (strictboundcorrk) then
752	call abort
753	else
754	print,'**********************************************'
755	print*,'we allow model to continue with tmid=tgasmin'
756	print*,' ... we assume we know what you are doing ... '
757	print*,' ... but do not let this happen too often ... '
758	print,'**********************************************'
759	tmid(k)=tgasmin
760	endif
761	elseif(tmid(k).gt.tgasmax)then
762	print*,'Maximum temperature is outside the radiative'
763	print*,'transfer kmatrix bounds, exiting.'
764	print*,"k=",k," tmid(k)=",tmid(k)
765	print*,"tgasmax=",tgasmax
766	if (strictboundcorrk) then
767	call abort
768	else
769	print,'**********************************************'
770	print*,'we allow model to continue with tmid=tgasmin'
771	print*,' ... we assume we know what you are doing ... '
772	print*,' ... but do not let this happen too often ... '
773	print,'**********************************************'
774	tmid(k)=tgasmax
775	endif
776	endif
777	enddo
778
779	!=======================================================================
780	! III. Calling the main radiative transfer subroutines
781	!=======================================================================
782
783
784	Cmk= 0.01 * 1.0 / (glat(ig) * mugaz * 1.672621e-27) ! q_main=1.0 assumed.
785	glat_ig=glat(ig)
786
787	!-----------------------------------------------------------------------
788	! Short Wave Part
789	!-----------------------------------------------------------------------
790
791	if(fract(ig) .ge. 1.0e-4) then ! Only during daylight.
792	if((ngrid.eq.1).and.(global1d))then
793	do nw=1,L_NSPECTV
794	stel_fract(nw)= stel(nw)* 0.25 / acosz ! globally averaged = divide by 4, and we correct for solar zenith angle
795	end do
796	else
797	do nw=1,L_NSPECTV
798	stel_fract(nw)= stel(nw) * fract(ig)
799	end do
800	endif
801
802	call optcv(dtauv,tauv,taucumv,plevrad, &
803	qxvaer,qsvaer,gvaer,wbarv,cosbv,tauray,tauaero, &
804	tmid,pmid,taugsurf,qvar,muvarrad)
805
806	call sfluxv(dtauv,tauv,taucumv,albv,dwnv,wbarv,cosbv, &
807	acosz,stel_fract,gweight, &
808	nfluxtopv,fluxtopvdn,nfluxoutv_nu,nfluxgndv_nu, &
809	fmnetv,fluxupv,fluxdnv,fzerov,taugsurf)
810
811	else ! During the night, fluxes = 0.
812	nfluxtopv = 0.0d0
813	fluxtopvdn = 0.0d0
814	nfluxoutv_nu(:) = 0.0d0
815	nfluxgndv_nu(:) = 0.0d0
816	do l=1,L_NLAYRAD
817	fmnetv(l)=0.0d0
818	fluxupv(l)=0.0d0
819	fluxdnv(l)=0.0d0
820	end do
821	end if
822
823
824	! Equivalent Albedo Calculation (for OUTPUT). MT2015
825	if(fract(ig) .ge. 1.0e-4) then ! equivalent albedo makes sense only during daylight.
826	surface_stellar_flux=sum(nfluxgndv_nu(1:L_NSPECTV))
827	if(surface_stellar_flux .gt. 1.0e-3) then ! equivalent albedo makes sense only if the stellar flux received by the surface is positive.
828	DO nw=1,L_NSPECTV
829	albedo_temp(nw)=albedo(ig,nw)*nfluxgndv_nu(nw)
830	ENDDO
831	albedo_temp(1:L_NSPECTV)=albedo_temp(1:L_NSPECTV)/surface_stellar_flux
832	albedo_equivalent(ig)=sum(albedo_temp(1:L_NSPECTV))
833	else
834	albedo_equivalent(ig)=0.0 ! Spectrally Integrated Albedo not defined for non-irradiated grid points. So we arbitrary set the equivalent albedo to 0.
835	endif
836	else
837	albedo_equivalent(ig)=0.0 ! Spectrally Integrated Albedo not defined for non-irradiated grid points. So we arbitrary set the equivalent albedo to 0.
838	endif
839
840
841	!-----------------------------------------------------------------------
842	! Long Wave Part
843	!-----------------------------------------------------------------------
844
845	call optci(plevrad,tlevrad,dtaui,taucumi, &
846	qxiaer,qsiaer,giaer,cosbi,wbari,tauaero,tmid,pmid, &
847	taugsurfi,qvar,muvarrad)
848
849	call sfluxi(plevrad,tlevrad,dtaui,taucumi,ubari,albi, &
850	wnoi,dwni,cosbi,wbari,gweight,nfluxtopi,nfluxtopi_nu, &
851	fmneti,fluxupi,fluxdni,fluxupi_nu,fzeroi,taugsurfi)
852
853	!-----------------------------------------------------------------------
854	! Transformation of the correlated-k code outputs
855	! (into dtlw, dtsw, fluxsurf_lw, fluxsurf_sw, fluxtop_lw, fluxtop_sw)
856
857	! Flux incident at the top of the atmosphere
858	fluxtop_dn(ig)=fluxtopvdn
859
860	fluxtop_lw(ig) = real(nfluxtopi)
861	fluxabs_sw(ig) = real(-nfluxtopv)
862	fluxsurf_lw(ig) = real(fluxdni(L_NLAYRAD))
863	fluxsurf_sw(ig) = real(fluxdnv(L_NLAYRAD))
864
865	! Flux absorbed by the surface. By MT2015.
866	fluxsurfabs_sw(ig) = fluxsurf_sw(ig)*(1.-albedo_equivalent(ig))
867
868	if(fluxtop_dn(ig).lt.0.0)then
869	print*,'Achtung! fluxtop_dn has lost the plot!'
870	print*,'fluxtop_dn=',fluxtop_dn(ig)
871	print*,'acosz=',acosz
872	print*,'aerosol=',aerosol(ig,:,:)
873	print*,'temp= ',pt(ig,:)
874	print*,'pplay= ',pplay(ig,:)
875	call abort
876	endif
877
878	! Spectral output, for exoplanet observational comparison
879	if(specOLR)then
880	do nw=1,L_NSPECTI
881	OLR_nu(ig,nw)=nfluxtopi_nu(nw)/DWNI(nw) !JL Normalize to the bandwidth
882	end do
883	do nw=1,L_NSPECTV
884	!GSR_nu(ig,nw)=nfluxgndv_nu(nw)
885	OSR_nu(ig,nw)=nfluxoutv_nu(nw)/DWNV(nw) !JL Normalize to the bandwidth
886	end do
887	endif
888
889	! Finally, the heating rates
890
891	DO l=2,L_NLAYRAD
892	dtsw(ig,L_NLAYRAD+1-l)=(fmnetv(l)-fmnetv(l-1)) &
893	glat(ig)/(cppscalep(plevrad(2l+1)-plevrad(2*l-1)))
894	dtlw(ig,L_NLAYRAD+1-l)=(fmneti(l)-fmneti(l-1)) &
895	glat(ig)/(cppscalep(plevrad(2l+1)-plevrad(2*l-1)))
896	END DO
897
898	! These are values at top of atmosphere
899	dtsw(ig,L_NLAYRAD)=(fmnetv(1)-nfluxtopv) &
900	glat(ig)/(cppscalep*(plevrad(3)-plevrad(1)))
901	dtlw(ig,L_NLAYRAD)=(fmneti(1)-nfluxtopi) &
902	glat(ig)/(cppscalep*(plevrad(3)-plevrad(1)))
903
904
905	!-----------------------------------------------------------------------
906	end do ! End of big loop over every GCM column.
907	!-----------------------------------------------------------------------
908
909
910
911	!-----------------------------------------------------------------------
912	! Additional diagnostics
913	!-----------------------------------------------------------------------
914
915	! IR spectral output, for exoplanet observational comparison
916	if(lastcall.and.(ngrid.eq.1))then ! could disable the 1D output, they are in the diagfi and diagspec... JL12
917
918	print*,'Saving scalar quantities in surf_vals.out...'
919	print*,'psurf = ', pplev(1,1),' Pa'
920	open(116,file='surf_vals.out')
921	write(116,*) tsurf(1),pplev(1,1),fluxtop_dn(1), &
922	real(-nfluxtopv),real(nfluxtopi)
923	close(116)
924
925
926	! USEFUL COMMENT - Do Not Remove.
927	!
928	! if(specOLR)then
929	! open(117,file='OLRnu.out')
930	! do nw=1,L_NSPECTI
931	! write(117,*) OLR_nu(1,nw)
932	! enddo
933	! close(117)
934	!
935	! open(127,file='OSRnu.out')
936	! do nw=1,L_NSPECTV
937	! write(127,*) OSR_nu(1,nw)
938	! enddo
939	! close(127)
940	! endif
941
942	! OLR vs altitude: do it as a .txt file.
943	OLRz=.false.
944	if(OLRz)then
945	print*,'saving IR vertical flux for OLRz...'
946	open(118,file='OLRz_plevs.out')
947	open(119,file='OLRz.out')
948	do l=1,L_NLAYRAD
949	write(118,) plevrad(2l)
950	do nw=1,L_NSPECTI
951	write(119,*) fluxupi_nu(l,nw)
952	enddo
953	enddo
954	close(118)
955	close(119)
956	endif
957
958	endif
959
960	! See physiq.F for explanations about CLFvarying. This is temporary.
961	if (lastcall .and. .not.CLFvarying) then
962	IF( ALLOCATED( gasi ) ) DEALLOCATE( gasi )
963	IF( ALLOCATED( gasv ) ) DEALLOCATE( gasv )
964	!$OMP BARRIER
965	!$OMP MASTER
966	IF( ALLOCATED( pgasref ) ) DEALLOCATE( pgasref )
967	IF( ALLOCATED( tgasref ) ) DEALLOCATE( tgasref )
968	IF( ALLOCATED( wrefvar ) ) DEALLOCATE( wrefvar )
969	IF( ALLOCATED( pfgasref ) ) DEALLOCATE( pfgasref )
970	!$OMP END MASTER
971	!$OMP BARRIER
972	IF ( ALLOCATED(reffrad)) DEALLOCATE(reffrad)
973	IF ( ALLOCATED(nueffrad)) DEALLOCATE(nueffrad)
974	endif
975
976
977	end subroutine callcorrk

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