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callcorrk.F90 @ 622

Last change on this file since 622 was 622, checked in by jleconte, 13 years ago
Added consistency checks for calculations including water and global1d+diurnal. Corrected small bugs in precipitation scheme
Property svn:executable set to ``*
File size: 31.4 KB

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1	subroutine callcorrk(ngrid,nlayer,pq,nq,qsurf, &
2	albedo,emis,mu0,pplev,pplay,pt, &
3	tsurf,fract,dist_star,aerosol,muvar, &
4	dtlw,dtsw,fluxsurf_lw, &
5	fluxsurf_sw,fluxtop_lw,fluxabs_sw,fluxtop_dn, &
6	OLR_nu,OSR_nu, &
7	reffrad,tau_col,cloudfrac,totcloudfrac, &
8	clearsky,firstcall,lastcall)
9
10
11	use radinc_h
12	use radcommon_h
13	use watercommon_h
14	use datafile_mod, only: datadir
15	use ioipsl_getincom
16	use gases_h
17
18	implicit none
19
20	!==================================================================
21	!
22	! Purpose
23	! -------
24	! Solve the radiative transfer using the correlated-k method for
25	! the gaseous absorption and the Toon et al. (1989) method for
26	! scatttering due to aerosols.
27	!
28	! Authors
29	! -------
30	! Emmanuel 01/2001, Forget 09/2001
31	! Robin Wordsworth (2009)
32	!
33	!==================================================================
34
35	#include "dimphys.h"
36	#include "comcstfi.h"
37	#include "callkeys.h"
38	#include "tracer.h"
39
40	!-----------------------------------------------------------------------
41	! Declaration of the arguments (INPUT - OUTPUT) on the LMD GCM grid
42	! Layer #1 is the layer near the ground.
43	! Layer #nlayermx is the layer at the top.
44
45	! INPUT
46	INTEGER icount
47	INTEGER ngrid,nlayer
48	REAL aerosol(ngrid,nlayermx,naerkind) ! aerosol tau (kg/kg)
49	REAL albedo(ngrid) ! SW albedo
50	REAL emis(ngrid) ! LW emissivity
51	REAL pplay(ngrid,nlayermx) ! pres. level in GCM mid of layer
52	REAL pplev(ngrid,nlayermx+1) ! pres. level at GCM layer boundaries
53
54	REAL pt(ngrid,nlayermx) ! air temperature (K)
55	REAL tsurf(ngrid) ! surface temperature (K)
56	REAL dist_star,mu0(ngrid) ! distance star-planet (AU)
57	REAL fract(ngrid) ! fraction of day
58
59	! Globally varying aerosol optical properties on GCM grid
60	! Not needed everywhere so not in radcommon_h
61	REAL :: QVISsQREF3d(ngridmx,nlayermx,L_NSPECTV,naerkind)
62	REAL :: omegaVIS3d(ngridmx,nlayermx,L_NSPECTV,naerkind)
63	REAL :: gVIS3d(ngridmx,nlayermx,L_NSPECTV,naerkind)
64
65	REAL :: QIRsQREF3d(ngridmx,nlayermx,L_NSPECTI,naerkind)
66	REAL :: omegaIR3d(ngridmx,nlayermx,L_NSPECTI,naerkind)
67	REAL :: gIR3d(ngridmx,nlayermx,L_NSPECTI,naerkind)
68
69	REAL :: QREFvis3d(ngridmx,nlayermx,naerkind)
70	REAL :: QREFir3d(ngridmx,nlayermx,naerkind)
71
72	! REAL :: omegaREFvis3d(ngridmx,nlayermx,naerkind)
73	! REAL :: omegaREFir3d(ngridmx,nlayermx,naerkind) ! not sure of the point of these...
74
75	REAL reffrad(ngrid,nlayer,naerkind)
76	REAL nueffrad(ngrid,nlayer,naerkind)
77
78	! OUTPUT
79	REAL dtsw(ngridmx,nlayermx) ! heating rate (K/s) due to SW
80	REAL dtlw(ngridmx,nlayermx) ! heating rate (K/s) due to LW
81	REAL fluxsurf_lw(ngridmx) ! incident LW flux to surf (W/m2)
82	REAL fluxtop_lw(ngridmx) ! outgoing LW flux to space (W/m2)
83	REAL fluxsurf_sw(ngridmx) ! incident SW flux to surf (W/m2)
84	REAL fluxabs_sw(ngridmx) ! SW flux absorbed by planet (W/m2)
85	REAL fluxtop_dn(ngridmx) ! incident top of atmosphere SW flux (W/m2)
86	REAL OLR_nu(ngrid,L_NSPECTI)! Outgoing LW radition in each band (Normalized to the band width (W/m2/cm-1)
87	REAL OSR_nu(ngrid,L_NSPECTV)! Outgoing SW radition in each band (Normalized to the band width (W/m2/cm-1)
88	!-----------------------------------------------------------------------
89	! Declaration of the variables required by correlated-k subroutines
90	! Numbered from top to bottom unlike in the GCM!
91
92	REAL*8 tmid(L_LEVELS),pmid(L_LEVELS)
93	REAL*8 tlevrad(L_LEVELS),plevrad(L_LEVELS)
94
95	! Optical values for the optci/cv subroutines
96	REAL*8 stel(L_NSPECTV),stel_fract(L_NSPECTV)
97	REAL*8 dtaui(L_NLAYRAD,L_NSPECTI,L_NGAUSS)
98	REAL*8 dtauv(L_NLAYRAD,L_NSPECTV,L_NGAUSS)
99	REAL*8 cosbv(L_NLAYRAD,L_NSPECTV,L_NGAUSS)
100	REAL*8 cosbi(L_NLAYRAD,L_NSPECTI,L_NGAUSS)
101	REAL*8 wbari(L_NLAYRAD,L_NSPECTI,L_NGAUSS)
102	REAL*8 wbarv(L_NLAYRAD,L_NSPECTV,L_NGAUSS)
103	REAL*8 tauv(L_NLEVRAD,L_NSPECTV,L_NGAUSS)
104	REAL*8 taucumv(L_LEVELS,L_NSPECTV,L_NGAUSS)
105	REAL*8 taucumi(L_LEVELS,L_NSPECTI,L_NGAUSS)
106
107	REAL*8 tauaero(L_LEVELS+1,naerkind)
108	REAL*8 nfluxtopv,nfluxtopi,nfluxtop
109	real*8 nfluxoutv_nu(L_NSPECTV) ! outgoing band-resolved VI flux at TOA (W/m2)
110	real*8 nfluxtopi_nu(L_NSPECTI) ! net band-resolved IR flux at TOA (W/m2)
111	real*8 fluxupi_nu(L_NLAYRAD,L_NSPECTI) ! for 1D diagnostic
112	REAL*8 fmneti(L_NLAYRAD),fmnetv(L_NLAYRAD)
113	REAL*8 fluxupv(L_NLAYRAD),fluxupi(L_NLAYRAD)
114	REAL*8 fluxdnv(L_NLAYRAD),fluxdni(L_NLAYRAD)
115	REAL*8 albi,albv,acosz
116
117	INTEGER ig,l,k,nw,iaer,irad
118
119	real fluxtoplanet
120	real szangle
121	logical global1d
122	save szangle,global1d
123	real*8 taugsurf(L_NSPECTV,L_NGAUSS-1)
124	real*8 taugsurfi(L_NSPECTI,L_NGAUSS-1)
125
126	real*8 qvar(L_LEVELS) ! mixing ratio of variable component (mol/mol)
127	REAL pq(ngridmx,nlayer,nq)
128	REAL qsurf(ngridmx,nqmx) ! tracer on surface (e.g. kg.m-2)
129	integer nq
130
131	! Local aerosol optical properties for each column on RADIATIVE grid
132	real*8 QXVAER(L_LEVELS+1,L_NSPECTV,naerkind)
133	real*8 QSVAER(L_LEVELS+1,L_NSPECTV,naerkind)
134	real*8 GVAER(L_LEVELS+1,L_NSPECTV,naerkind)
135	real*8 QXIAER(L_LEVELS+1,L_NSPECTI,naerkind)
136	real*8 QSIAER(L_LEVELS+1,L_NSPECTI,naerkind)
137	real*8 GIAER(L_LEVELS+1,L_NSPECTI,naerkind)
138
139	save qxvaer, qsvaer, gvaer
140	save qxiaer, qsiaer, giaer
141	save QREFvis3d, QREFir3d
142
143	REAL tau_col(ngrid) ! diagnostic from aeropacity
144
145	! Misc.
146	logical firstcall, lastcall, nantest
147	real*8 tempv(L_NSPECTV)
148	real*8 tempi(L_NSPECTI)
149	real*8 temp,temp1,temp2,pweight
150	character(len=10) :: tmp1
151	character(len=10) :: tmp2
152
153	! for fixed water vapour profiles
154	integer i_var
155	real RH
156	real*8 pq_temp(nlayer)
157	real ptemp, Ttemp, qsat
158
159	! real(KIND=r8) :: pq_temp(nlayer) ! better F90 way.. DOESNT PORT TO F77!!!
160
161	!real ptime, pday
162	logical OLRz
163	real*8 NFLUXGNDV_nu(L_NSPECTV)
164
165	! for H2O cloud fraction in aeropacity
166	real cloudfrac(ngridmx,nlayermx)
167	real totcloudfrac(ngridmx)
168	logical clearsky
169
170	! for weird cloud test
171	real pqtest(ngridmx,nlayer,nq)
172
173	! are particle radii fixed?
174	logical radfixed
175	real maxrad, minrad
176
177	real CBRT
178	external CBRT
179
180	! included by RW for runaway greenhouse 1D study
181	real muvar(ngridmx,nlayermx+1)
182	real vtmp(nlayermx)
183	REAL*8 muvarrad(L_LEVELS)
184
185	radfixed=.false.
186
187	!=======================================================================
188	! Initialization on first call
189
190	qxvaer(:,:,:)=0.0
191	qsvaer(:,:,:)=0.0
192	gvaer(:,:,:) =0.0
193
194	qxiaer(:,:,:)=0.0
195	qsiaer(:,:,:)=0.0
196	giaer(:,:,:) =0.0
197
198
199	if(firstcall) then
200
201	call system('rm -f surf_vals_long.out')
202
203	!--------------------------------------------------
204	! Effective radius and variance of the aerosols
205
206	do iaer=1,naerkind
207	! these values will change once the microphysics gets to work
208	! UNLESS tracer=.false., in which case we should be working with
209	! a fixed aerosol layer, and be able to define reffrad in a
210	! .def file. To be improved!
211
212	if(iaer.eq.1)then ! CO2 ice
213	do l=1,nlayer
214	do ig=1,ngrid
215	reffrad(ig,l,iaer) = 1.e-4
216	nueffrad(ig,l,iaer) = 0.1
217	enddo
218	enddo
219	endif
220
221	if(iaer.eq.2)then ! H2O ice
222	do l=1,nlayer
223	do ig=1,ngrid
224	reffrad(ig,l,iaer) = 1.e-5
225	nueffrad(ig,l,iaer) = 0.1
226	enddo
227	enddo
228	endif
229
230	if(iaer.eq.3)then ! dust
231	do l=1,nlayer
232	do ig=1,ngrid
233	reffrad(ig,l,iaer) = 1.e-5
234	nueffrad(ig,l,iaer) = 0.1
235	enddo
236	enddo
237	endif
238
239	if(iaer.gt.3)then
240	print*,'Error in callcorrk, naerkind is too high.'
241	print*,'The code still needs generalisation to arbitrary'
242	print*,'aerosol kinds and number.'
243	call abort
244	endif
245
246	enddo
247
248	print*, "callcorrk: Correlated-k data base folder:",trim(datadir)
249	call getin("corrkdir",corrkdir)
250	print*, "corrkdir = ",corrkdir
251	write( tmp1, '(i3)' ) L_NSPECTI
252	write( tmp2, '(i3)' ) L_NSPECTV
253	banddir=trim(adjustl(tmp1))//'x'//trim(adjustl(tmp2))
254	banddir=trim(adjustl(corrkdir))//'/'//trim(adjustl(banddir))
255
256	call sugas_corrk ! set up gaseous absorption properties
257	call setspi ! basic infrared properties
258	call setspv ! basic visible properties
259	call suaer_corrk ! set up aerosol optical properties
260
261	Cmk= 0.01 * 1.0 / (g * mugaz * 1.672621e-27) ! q_main=1.0 assumed
262
263	if((igcm_h2o_vap.eq.0) .and. varactive)then
264	print*,'varactive in callcorrk but no h2o_vap tracer.'
265	stop
266	endif
267
268	OLR_nu=0.
269	OSR_nu=0.
270
271	if (ngridmx.eq.1) then
272	PRINT*, 'Simulate global averaged conditions ?'
273	global1d = .false. ! default value
274	call getin("global1d",global1d)
275	write(,) "global1d = ",global1d
276	! Test of incompatibility:
277	! if global1d is true, there should not be any diurnal cycle
278	if (global1d.and.diurnal) then
279	print*,'if global1d is true, diurnal must be set to false'
280	stop
281	endif
282
283	if (global1d) then
284	PRINT *,'Solar Zenith angle (deg.) ?'
285	PRINT *,'(assumed for averaged solar flux S/4)'
286	szangle=60.0 ! default value
287	call getin("szangle",szangle)
288	write(,) "szangle = ",szangle
289	endif
290	endif
291
292	firstcall=.false.
293
294	end if
295
296	!=======================================================================
297	! Initialization on every call
298
299	do l=1,nlayer
300	do ig=1,ngrid
301	do iaer=1,naerkind
302	nueffrad(ig,l,iaer) = 0.1 ! stays at 0.1
303	enddo
304	enddo
305	enddo
306
307	if(kastprof)then
308	radfixed=.true.
309	endif
310
311	if(radfixed)then
312	do l=1,nlayer
313	do ig=1,ngrid
314	reffrad(ig,l,1) = 5.e-5 ! CO2 ice
315	enddo
316	enddo
317	print*,'CO2 ice particle size = ',reffrad(1,1,1)/1.e-6,' um'
318	if(naerkind.ge.2)then
319	do l=1,nlayer
320	do ig=1,ngrid
321	!reffrad(ig,l,2) = 2.e-5 ! H2O ice
322	reffrad(ig,l,2) = 5.e-6 ! H2O ice
323	enddo
324	enddo
325	print*,'H2O ice particle size = ',reffrad(1,1,2)/1.e-6,' um'
326	endif
327	if(naerkind.eq.3)then
328	do l=1,nlayer
329	do ig=1,ngrid
330	reffrad(ig,l,naerkind) = 2.e-6 ! dust
331	enddo
332	enddo
333	print*,'Dust particle size = ',reffrad(1,1,naerkind)/1.e-6,' um'
334	endif
335	if(naerkind.gt.3)then
336	print*,'Code not general enough to deal with naerkind > 3 yet.'
337	call abort
338	endif
339
340	else
341
342	maxrad=0.0
343	!averad=0.0
344	minrad=1.0
345	do l=1,nlayer
346
347	!masse = (pplev(ig,l) - pplev(ig,l+1))/g
348
349	do ig=1,ngrid
350	!if(tracer)then
351	if(tracer.and.igcm_co2_ice.gt.0)then
352
353	if(igcm_co2_ice.lt.1)then
354	print*,'Tracers but no CO2 ice still seems to be a problem...'
355	print*,'Aborting in callcorrk.'
356	stop
357	endif
358
359	reffrad(ig,l,1) = CBRT( 3*pq(ig,l,igcm_co2_ice)/ &
360	(4Nmix_co2pi*rho_co2) )
361	endif
362	reffrad(ig,l,1) = max(reffrad(ig,l,1),1.e-6)
363	reffrad(ig,l,1) = min(reffrad(ig,l,1),500.e-6)
364
365	!averad = averad + reffrad(ig,l,1)*area(ig)
366	maxrad = max(reffrad(ig,l,1),maxrad)
367	minrad = min(reffrad(ig,l,1),minrad)
368	enddo
369	enddo
370	if(igcm_co2_ice.gt.0)then
371	print*,'Max. CO2 ice particle size = ',maxrad/1.e-6,' um'
372	print*,'Min. CO2 ice particle size = ',minrad/1.e-6,' um'
373	endif
374
375	if((naerkind.ge.2).and.water)then
376	maxrad=0.0
377	minrad=1.0
378	do l=1,nlayer
379	do ig=1,ngrid
380	reffrad(ig,l,2) = CBRT( 3*pq(ig,l,igcm_h2o_ice)/ &
381	(4Nmix_h2opi*rho_ice) )
382	reffrad(ig,l,2) = max(reffrad(ig,l,2),1.e-6)
383	reffrad(ig,l,2) = min(reffrad(ig,l,2),100.e-6)
384
385	maxrad = max(reffrad(ig,l,2),maxrad)
386	minrad = min(reffrad(ig,l,2),minrad)
387	enddo
388	enddo
389	print*,'Max. H2O ice particle size = ',maxrad/1.e-6,' um'
390	print*,'Min. H2O ice particle size = ',minrad/1.e-6,' um'
391	endif
392
393	if(naerkind.eq.3)then
394	do l=1,nlayer
395	do ig=1,ngrid
396	reffrad(ig,l,naerkind) = 2.e-6 ! dust
397	enddo
398	enddo
399	endif
400
401	endif
402
403
404	! how much light we get
405	fluxtoplanet=0
406	do nw=1,L_NSPECTV
407	stel(nw)=stellarf(nw)/(dist_star**2)
408	fluxtoplanet=fluxtoplanet + stel(nw)
409	end do
410
411	call aeroptproperties(ngrid,nlayer,reffrad,nueffrad, &
412	QVISsQREF3d,omegaVIS3d,gVIS3d, &
413	QIRsQREF3d,omegaIR3d,gIR3d, &
414	QREFvis3d,QREFir3d) ! get 3D aerosol optical properties
415
416	call aeropacity(ngrid,nlayer,nq,pplay,pplev,pq,aerosol, &
417	reffrad,QREFvis3d,QREFir3d, &
418	tau_col,cloudfrac,totcloudfrac,clearsky) ! get aerosol optical depths
419
420
421	!-----------------------------------------------------------------------
422	! Starting Big Loop over every GCM column
423	do ig=1,ngridmx
424
425	!=======================================================================
426	! Transformation of the GCM variables
427
428	!-----------------------------------------------------------------------
429	! Aerosol optical properties Qext, Qscat and g
430	! The transformation in the vertical is the same as for temperature
431
432	! shortwave
433	do iaer=1,naerkind
434	DO nw=1,L_NSPECTV
435	do l=1,nlayermx
436
437	temp1=QVISsQREF3d(ig,nlayermx+1-l,nw,iaer) &
438	*QREFvis3d(ig,nlayermx+1-l,iaer)
439
440	temp2=QVISsQREF3d(ig,max(nlayermx-l,1),nw,iaer) &
441	*QREFvis3d(ig,max(nlayermx-l,1),iaer)
442
443	qxvaer(2*l,nw,iaer) = temp1
444	qxvaer(2*l+1,nw,iaer)=(temp1+temp2)/2
445
446	temp1=temp1*omegavis3d(ig,nlayermx+1-l,nw,iaer)
447	temp2=temp2*omegavis3d(ig,max(nlayermx-l,1),nw,iaer)
448
449	qsvaer(2*l,nw,iaer) = temp1
450	qsvaer(2*l+1,nw,iaer)=(temp1+temp2)/2
451
452	temp1=gvis3d(ig,nlayermx+1-l,nw,iaer)
453	temp2=gvis3d(ig,max(nlayermx-l,1),nw,iaer)
454
455	gvaer(2*l,nw,iaer) = temp1
456	gvaer(2*l+1,nw,iaer)=(temp1+temp2)/2
457
458	end do
459
460	qxvaer(1,nw,iaer)=qxvaer(2,nw,iaer)
461	qxvaer(2*nlayermx+1,nw,iaer)=0.
462
463	qsvaer(1,nw,iaer)=qsvaer(2,nw,iaer)
464	qsvaer(2*nlayermx+1,nw,iaer)=0.
465
466	gvaer(1,nw,iaer)=gvaer(2,nw,iaer)
467	gvaer(2*nlayermx+1,nw,iaer)=0.
468
469	end do
470
471	! longwave
472	DO nw=1,L_NSPECTI
473	do l=1,nlayermx
474
475	temp1=QIRsQREF3d(ig,nlayermx+1-l,nw,iaer) &
476	*QREFir3d(ig,nlayermx+1-l,iaer)
477
478	temp2=QIRsQREF3d(ig,max(nlayermx-l,1),nw,iaer) &
479	*QREFir3d(ig,max(nlayermx-l,1),iaer)
480
481	qxiaer(2*l,nw,iaer) = temp1
482	qxiaer(2*l+1,nw,iaer)=(temp1+temp2)/2
483
484	temp1=temp1*omegair3d(ig,nlayermx+1-l,nw,iaer)
485	temp2=temp2*omegair3d(ig,max(nlayermx-l,1),nw,iaer)
486
487	qsiaer(2*l,nw,iaer) = temp1
488	qsiaer(2*l+1,nw,iaer)=(temp1+temp2)/2
489
490	temp1=gir3d(ig,nlayermx+1-l,nw,iaer)
491	temp2=gir3d(ig,max(nlayermx-l,1),nw,iaer)
492
493	giaer(2*l,nw,iaer) = temp1
494	giaer(2*l+1,nw,iaer)=(temp1+temp2)/2
495
496	end do
497
498	qxiaer(1,nw,iaer)=qxiaer(2,nw,iaer)
499	qxiaer(2*nlayermx+1,nw,iaer)=0.
500
501	qsiaer(1,nw,iaer)=qsiaer(2,nw,iaer)
502	qsiaer(2*nlayermx+1,nw,iaer)=0.
503
504	giaer(1,nw,iaer)=giaer(2,nw,iaer)
505	giaer(2*nlayermx+1,nw,iaer)=0.
506
507	end do
508	end do
509
510	! test / correct for freaky s. s. albedo values
511	do iaer=1,naerkind
512	do k=1,L_LEVELS+1
513
514	do nw=1,L_NSPECTV
515	if(qsvaer(k,nw,iaer).gt.1.05*qxvaer(k,nw,iaer))then
516	print*,'Serious problems with qsvaer values in callcorrk'
517	call abort
518	endif
519	if(qsvaer(k,nw,iaer).gt.qxvaer(k,nw,iaer))then
520	qsvaer(k,nw,iaer)=qxvaer(k,nw,iaer)
521	endif
522	end do
523
524	do nw=1,L_NSPECTI
525	if(qsiaer(k,nw,iaer).gt.1.05*qxiaer(k,nw,iaer))then
526	print*,'Serious problems with qsiaer values in callcorrk'
527	call abort
528	endif
529	if(qsiaer(k,nw,iaer).gt.qxiaer(k,nw,iaer))then
530	qsiaer(k,nw,iaer)=qxiaer(k,nw,iaer)
531	endif
532	end do
533
534	end do
535	end do
536
537	!-----------------------------------------------------------------------
538	! Aerosol optical depths
539
540	do iaer=1,naerkind ! a bug was here
541	do k=0,nlayer-1
542
543	pweight=(pplay(ig,L_NLAYRAD-k)-pplev(ig,L_NLAYRAD-k+1))/ &
544	(pplev(ig,L_NLAYRAD-k)-pplev(ig,L_NLAYRAD-k+1))
545
546	temp=aerosol(ig,L_NLAYRAD-k,iaer)/QREFvis3d(ig,L_NLAYRAD-k,iaer)
547
548	tauaero(2k+2,iaer)=max(temppweight,0.d0)
549	tauaero(2k+3,iaer)=max(temp-tauaero(2k+2,iaer),0.d0)
550	!
551	end do
552	! boundary conditions
553	tauaero(1,iaer) = tauaero(2,iaer)
554	tauaero(L_LEVELS+1,iaer) = tauaero(L_LEVELS,iaer)
555	!tauaero(1,iaer) = 0.
556	!tauaero(L_LEVELS+1,iaer) = 0.
557	end do
558
559	! Albedo and emissivity
560	albi=1-emis(ig) ! longwave
561	albv=albedo(ig) ! shortwave
562
563	if(noradsurf.and.(albv.gt.0.0))then
564	print*,'For open lower boundary in callcorrk must'
565	print*,'have surface albedo set to zero!'
566	call abort
567	endif
568
569	if ((ngridmx.eq.1).and.(global1d)) then ! fixed zenith angle 'szangle' in 1D simulations w/ globally-averaged sunlight
570	acosz = cos(pi*szangle/180.0)
571	print*,'acosz=',acosz,', szangle=',szangle
572	else
573	acosz=mu0(ig) ! cosine of sun incident angle : 3D simulations or local 1D simulations using latitude
574	endif
575
576	!-----------------------------------------------------------------------
577	! Water vapour (to be generalised for other gases eventually)
578
579	if(varactive)then
580
581	i_var=igcm_h2o_vap
582	do l=1,nlayer
583	qvar(2*l) = pq(ig,nlayer+1-l,i_var)
584	qvar(2*l+1) = (pq(ig,nlayer+1-l,i_var)+pq(ig,max(nlayer-l,1),i_var))/2
585	! Average approximation as for temperature...
586	end do
587	qvar(1)=qvar(2)
588
589	elseif(varfixed)then
590
591	do l=1,nlayermx ! here we will assign fixed water vapour profiles globally
592	RH = satval * ((pplay(ig,l)/pplev(ig,1) - 0.02) / 0.98)
593	if(RH.lt.0.0) RH=0.0
594
595	ptemp=pplay(ig,l)
596	Ttemp=pt(ig,l)
597	call watersat(Ttemp,ptemp,qsat)
598
599	!pq_temp(l) = qsat ! fully saturated everywhere
600	pq_temp(l) = RH * qsat ! ~realistic profile (e.g. 80% saturation at ground)
601	end do
602
603	do l=1,nlayer
604	qvar(2*l) = pq_temp(nlayer+1-l)
605	qvar(2*l+1) = (pq_temp(nlayer+1-l)+pq_temp(max(nlayer-l,1)))/2
606	end do
607	qvar(1)=qvar(2)
608
609	! Lowest layer of atmosphere
610	RH = satval * (1 - 0.02) / 0.98
611	if(RH.lt.0.0) RH=0.0
612
613	ptemp = pplev(ig,1)
614	Ttemp = tsurf(ig)
615	call watersat(Ttemp,ptemp,qsat)
616
617	!qvar(2*nlayermx+1)=qsat ! fully saturated everywhere
618	qvar(2nlayermx+1)= RH qsat ! ~realistic profile (e.g. 80% saturation at ground)
619	!qvar=0.005 ! completely constant profile (JL)
620
621	else
622	do k=1,L_LEVELS
623	qvar(k) = 1.0D-7
624	end do
625	end if
626
627	if(.not.kastprof)then
628	! IMPORTANT: Now convert from kg/kg to mol/mol
629	do k=1,L_LEVELS
630	qvar(k) = qvar(k)/epsi
631	end do
632	end if
633
634	!-----------------------------------------------------------------------
635	! kcm mode only
636	if(kastprof)then
637
638	! initial values equivalent to mugaz
639	DO l=1,nlayer
640	muvarrad(2*l) = mugaz
641	muvarrad(2*l+1) = mugaz
642	END DO
643
644	!do k=1,L_LEVELS
645	! qvar(k) = 0.0
646	!end do
647	!print*,'ASSUMING qH2O=0 EVERYWHERE IN CALLCORRK!'
648	endif
649
650
651	if(kastprof.and.(ngasmx.gt.1))then
652
653	DO l=1,nlayer
654	muvarrad(2*l) = muvar(ig,nlayer+2-l)
655	muvarrad(2*l+1) = (muvar(ig,nlayer+2-l) + &
656	muvar(ig,max(nlayer+1-l,1)))/2
657	END DO
658
659	muvarrad(1) = muvarrad(2)
660	muvarrad(2*nlayermx+1)=muvar(ig,1)
661
662	print*,'Recalculating qvar with VARIABLE epsi for kastprof'
663	print*,'Assumes that the variable gas is H2O!!!'
664	print*,'Assumes that there is only one tracer'
665	!i_var=igcm_h2o_vap
666	i_var=1
667	if(nqmx.gt.1)then
668	print*,'Need 1 tracer only to run kcm1d.e'
669	stop
670	endif
671	do l=1,nlayer
672	vtmp(l)=pq(ig,l,i_var)*muvar(ig,l+1)/mH2O
673	end do
674
675	do l=1,nlayer
676	qvar(2*l) = vtmp(nlayer+1-l)
677	qvar(2*l+1) = ( vtmp(nlayer+1-l) + vtmp(max(nlayer-l,1)) )/2
678	end do
679	qvar(1)=qvar(2)
680
681	print*,'Warning: reducing qvar in callcorrk.'
682	print*,'Temperature profile no longer consistent ', &
683	'with saturated H2O.'
684	do k=1,L_LEVELS
685	qvar(k) = qvar(k)*satval
686	end do
687
688	endif
689
690	! Keep values inside limits for which we have radiative transfer coefficients
691	if(L_REFVAR.gt.1)then ! there was a bug here!
692	do k=1,L_LEVELS
693	if(qvar(k).lt.wrefvar(1))then
694	qvar(k)=wrefvar(1)+1.0e-8
695	elseif(qvar(k).gt.wrefvar(L_REFVAR))then
696	qvar(k)=wrefvar(L_REFVAR)-1.0e-8
697	endif
698	end do
699	endif
700
701	!-----------------------------------------------------------------------
702	! Pressure and temperature
703
704	DO l=1,nlayer
705	plevrad(2*l) = pplay(ig,nlayer+1-l)/scalep
706	plevrad(2*l+1) = pplev(ig,nlayer+1-l)/scalep
707	tlevrad(2*l) = pt(ig,nlayer+1-l)
708	tlevrad(2*l+1) = (pt(ig,nlayer+1-l)+pt(ig,max(nlayer-l,1)))/2
709	END DO
710
711	plevrad(1) = 0.
712	plevrad(2) = max(pgasmin,0.0001*plevrad(3))
713
714	tlevrad(1) = tlevrad(2)
715	tlevrad(2*nlayermx+1)=tsurf(ig)
716
717	tmid(1) = tlevrad(2)
718	tmid(2) = tlevrad(2)
719	pmid(1) = plevrad(2)
720	pmid(2) = plevrad(2)
721
722	DO l=1,L_NLAYRAD-1
723	tmid(2l+1) = tlevrad(2l+1)
724	tmid(2l+2) = tlevrad(2l+1)
725	pmid(2l+1) = plevrad(2l+1)
726	pmid(2l+2) = plevrad(2l+1)
727	END DO
728	pmid(L_LEVELS) = plevrad(L_LEVELS)
729	tmid(L_LEVELS) = tlevrad(L_LEVELS)
730
731	! test for out-of-bounds pressure
732	if(plevrad(3).lt.pgasmin)then
733	print*,'Minimum pressure is outside the radiative'
734	print*,'transfer kmatrix bounds, exiting.'
735	call abort
736	elseif(plevrad(L_LEVELS).gt.pgasmax)then
737	print*,'Maximum pressure is outside the radiative'
738	print*,'transfer kmatrix bounds, exiting.'
739	call abort
740	endif
741
742	! test for out-of-bounds temperature
743	do k=1,L_LEVELS
744	if(tlevrad(k).lt.tgasmin)then
745	print*,'Minimum temperature is outside the radiative'
746	print*,'transfer kmatrix bounds, exiting.'
747	!print*,'WARNING, OVERRIDING FOR TEST'
748	call abort
749	elseif(tlevrad(k).gt.tgasmax)then
750	print*,'Maximum temperature is outside the radiative'
751	print*,'transfer kmatrix bounds, exiting.'
752	!print*,'WARNING, OVERRIDING FOR TEST'
753	call abort
754	endif
755	enddo
756
757	!=======================================================================
758	! Calling the main radiative transfer subroutines
759
760
761	!-----------------------------------------------------------------------
762	! Shortwave
763
764	if(fract(ig) .ge. 1.0e-4) then ! only during daylight!
765
766	fluxtoplanet=0.
767
768	if((ngridmx.eq.1).and.(global1d))then
769	do nw=1,L_NSPECTV
770	stel_fract(nw)= stel(nw) * 0.25 / acosz
771	fluxtoplanet=fluxtoplanet + stel_fract(nw)
772	! globally averaged = divide by 4
773	! but we correct for solar zenith angle
774	end do
775	else
776	do nw=1,L_NSPECTV
777	stel_fract(nw)= stel(nw) * fract(ig)
778	fluxtoplanet=fluxtoplanet + stel_fract(nw)
779	end do
780	endif
781
782	call optcv(dtauv,tauv,taucumv,plevrad, &
783	qxvaer,qsvaer,gvaer,wbarv,cosbv,tauray,tauaero, &
784	tmid,pmid,taugsurf,qvar,muvarrad)
785
786	call sfluxv(dtauv,tauv,taucumv,albv,dwnv,wbarv,cosbv, &
787	acosz,stel_fract,gweight, &
788	nfluxtopv,nfluxoutv_nu,nfluxgndv_nu, &
789	fmnetv,fluxupv,fluxdnv,fzerov,taugsurf)
790
791	else ! during the night, fluxes = 0
792	nfluxtopv = 0.0
793	nfluxoutv_nu(:) = 0.0
794	nfluxgndv_nu(:) = 0.0
795	do l=1,L_NLAYRAD
796	fmnetv(l)=0.0
797	fluxupv(l)=0.0
798	fluxdnv(l)=0.0
799	end do
800	end if
801
802	!-----------------------------------------------------------------------
803	! Longwave
804
805	call optci(plevrad,tlevrad,dtaui,taucumi, &
806	qxiaer,qsiaer,giaer,cosbi,wbari,tauaero,tmid,pmid, &
807	taugsurfi,qvar,muvarrad)
808
809	call sfluxi(plevrad,tlevrad,dtaui,taucumi,ubari,albi, &
810	wnoi,dwni,cosbi,wbari,gweight,nfluxtopi,nfluxtopi_nu, &
811	fmneti,fluxupi,fluxdni,fluxupi_nu,fzeroi,taugsurfi)
812
813	!-----------------------------------------------------------------------
814	! Transformation of the correlated-k code outputs
815	! (into dtlw, dtsw, fluxsurf_lw, fluxsurf_sw, fluxtop_lw, fluxtop_sw)
816
817	! Flux incident at the top of the atmosphere
818	fluxtop_dn(ig)=fluxdnv(1)
819
820	fluxtop_lw(ig) = real(nfluxtopi)
821	fluxabs_sw(ig) = real(-nfluxtopv)
822	fluxsurf_lw(ig) = real(fluxdni(L_NLAYRAD))
823	fluxsurf_sw(ig) = real(fluxdnv(L_NLAYRAD))
824
825	if(fluxtop_dn(ig).lt.0.0)then
826	print*,'Achtung! fluxtop_dn has lost the plot!'
827	print*,'fluxtop_dn=',fluxtop_dn(ig)
828	print*,'acosz=',acosz
829	print*,'aerosol=',aerosol(ig,:,:)
830	print*,'temp= ',pt(ig,:)
831	print*,'pplay= ',pplay(ig,:)
832	call abort
833	endif
834
835	! Spectral output, for exoplanet observational comparison
836	if(specOLR)then
837	do nw=1,L_NSPECTI
838	OLR_nu(ig,nw)=nfluxtopi_nu(nw)/DWNI(nw) !JL Normalize to the bandwidth
839	end do
840	do nw=1,L_NSPECTV
841	!GSR_nu(ig,nw)=nfluxgndv_nu(nw)
842	OSR_nu(ig,nw)=nfluxoutv_nu(nw)/DWNV(nw) !JL Normalize to the bandwidth
843	end do
844	endif
845
846	! Finally, the heating rates
847
848	DO l=2,L_NLAYRAD
849	dtsw(ig,L_NLAYRAD+1-l)=(fmnetv(l)-fmnetv(l-1)) &
850	g/(cppscalep(plevrad(2l+1)-plevrad(2*l-1)))
851	dtlw(ig,L_NLAYRAD+1-l)=(fmneti(l)-fmneti(l-1)) &
852	g/(cppscalep(plevrad(2l+1)-plevrad(2*l-1)))
853	END DO
854
855	! These are values at top of atmosphere
856	dtsw(ig,L_NLAYRAD)=(fmnetv(1)-nfluxtopv) &
857	g/(cppscalep*(plevrad(3)-plevrad(1)))
858	dtlw(ig,L_NLAYRAD)=(fmneti(1)-nfluxtopi) &
859	g/(cppscalep*(plevrad(3)-plevrad(1)))
860
861	! ---------------------------------------------------------------
862	end do ! end of big loop over every GCM column (ig = 1:ngrid)
863
864
865	!-----------------------------------------------------------------------
866	! Additional diagnostics
867
868	! IR spectral output, for exoplanet observational comparison
869
870
871	if(lastcall.and.(ngrid.eq.1))then ! could disable the 1D output, they are in the diagfi and diagspec... JL12
872
873	print*,'Saving scalar quantities in surf_vals.out...'
874	print*,'psurf = ', pplev(1,1),' Pa'
875	open(116,file='surf_vals.out')
876	write(116,*) tsurf(1),pplev(1,1),fluxtop_dn(1), &
877	real(-nfluxtopv),real(nfluxtopi)
878	close(116)
879
880	! I am useful, please don`t remove me!
881	! if(specOLR)then
882	! open(117,file='OLRnu.out')
883	! do nw=1,L_NSPECTI
884	! write(117,*) OLR_nu(1,nw)
885	! enddo
886	! close(117)
887	!
888	! open(127,file='OSRnu.out')
889	! do nw=1,L_NSPECTV
890	! write(127,*) OSR_nu(1,nw)
891	! enddo
892	! close(127)
893	! endif
894
895	! OLR vs altitude: do it as a .txt file
896	OLRz=.false.
897	if(OLRz)then
898	print*,'saving IR vertical flux for OLRz...'
899	open(118,file='OLRz_plevs.out')
900	open(119,file='OLRz.out')
901	do l=1,L_NLAYRAD
902	write(118,) plevrad(2l)
903	do nw=1,L_NSPECTI
904	write(119,*) fluxupi_nu(l,nw)
905	enddo
906	enddo
907	close(118)
908	close(119)
909	endif
910
911	endif
912
913	! see physiq.F for explanations about CLFvarying. This is temporary.
914	if (lastcall .and. .not.CLFvarying) then
915	IF( ALLOCATED( gasi ) ) DEALLOCATE( gasi )
916	IF( ALLOCATED( gasv ) ) DEALLOCATE( gasv )
917	IF( ALLOCATED( pgasref ) ) DEALLOCATE( pgasref )
918	IF( ALLOCATED( tgasref ) ) DEALLOCATE( tgasref )
919	IF( ALLOCATED( wrefvar ) ) DEALLOCATE( wrefvar )
920	IF( ALLOCATED( pfgasref ) ) DEALLOCATE( pfgasref )
921	endif
922
923	end subroutine callcorrk

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