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inifis.F @ 481

Last change on this file since 481 was 455, checked in by tnavarro, 14 years ago
tiny change : nuice_sed initialisation is now done in inifis. Also changed initracer and improvedclouds.
File size: 25.6 KB

Line
1	SUBROUTINE inifis(
2	$ ngrid,nlayer
3	$ ,day_ini,pdaysec,ptimestep
4	$ ,plat,plon,parea
5	$ ,prad,pg,pr,pcpp
6	#ifdef MESOSCALE
7	#include "meso_inc/meso_inc_inifisinvar.F"
8	#endif
9	$ )
10	!
11	!=======================================================================
12	!
13	! purpose:
14	! -------
15	!
16	! Initialisation for the physical parametrisations of the LMD
17	! martian atmospheric general circulation modele.
18	!
19	! author: Frederic Hourdin 15 / 10 /93
20	! -------
21	! modified: Sebastien Lebonnois 11/06/2003 (new callphys.def)
22	! Ehouarn Millour (oct. 2008) tracers are now identified
23	! by their names and may not be contiguously
24	! stored in the q(:,:,:,:) array
25	! E.M. (june 2009) use getin routine to load parameters
26	! adapted to the mesoscale use - Aymeric Spiga - 01/2007-07/2011
27	!
28	!
29	! arguments:
30	! ----------
31	!
32	! input:
33	! ------
34	!
35	! ngrid Size of the horizontal grid.
36	! All internal loops are performed on that grid.
37	! nlayer Number of vertical layers.
38	! pdayref Day of reference for the simulation
39	! pday Number of days counted from the North. Spring
40	! equinoxe.
41	!
42	!=======================================================================
43	!
44	!-----------------------------------------------------------------------
45	! declarations:
46	! -------------
47	! to use 'getin'
48	USE ioipsl_getincom
49	IMPLICIT NONE
50	#include "dimensions.h"
51	#include "dimphys.h"
52	#include "planete.h"
53	#include "comcstfi.h"
54	#include "comsaison.h"
55	#include "comdiurn.h"
56	#include "comgeomfi.h"
57	#include "callkeys.h"
58	#include "surfdat.h"
59	#include "dimradmars.h"
60	#include "yomaer.h"
61	#include "datafile.h"
62	#include "slope.h"
63	#include "microphys.h"
64	#include "tracer.h"
65	#ifdef MESOSCALE
66	#include "comsoil.h" !!MESOSCALE -- needed to fill volcapa
67	#include "meso_inc/meso_inc_inifisvar.F"
68	#endif
69	REAL prad,pg,pr,pcpp,pdaysec
70
71	REAL ptimestep
72	INTEGER day_ini
73
74	INTEGER ngrid,nlayer
75	REAL plat(ngrid),plon(ngrid),parea(ngridmx)
76	INTEGER ig,ierr
77
78	! EXTERNAL iniorbit,orbite
79	EXTERNAL SSUM
80	REAL SSUM
81
82	CHARACTER ch1*12
83	CHARACTER ch80*80
84
85	! logical chem, h2o
86
87	! chem = .false.
88	! h2o = .false.
89
90	rad=prad
91	cpp=pcpp
92	g=pg
93	r=pr
94	rcp=r/cpp
95	daysec=pdaysec
96	dtphys=ptimestep
97	#ifdef MESOSCALE
98	#include "meso_inc/meso_inc_inifisini.F"
99	#endif
100
101	! --------------------------------------------------------
102	! The usual Tests
103	! --------------
104	IF (nlayer.NE.nlayermx) THEN
105	PRINT*,'STOP in inifis'
106	PRINT*,'Probleme de dimensions :'
107	PRINT*,'nlayer = ',nlayer
108	PRINT*,'nlayermx = ',nlayermx
109	STOP
110	ENDIF
111
112	IF (ngrid.NE.ngridmx) THEN
113	PRINT*,'STOP in inifis'
114	PRINT*,'Probleme de dimensions :'
115	PRINT*,'ngrid = ',ngrid
116	PRINT*,'ngridmx = ',ngridmx
117	STOP
118	ENDIF
119
120	! --------------------------------------------------------------
121	! Reading the "callphys.def" file controlling some key options
122	! --------------------------------------------------------------
123
124	! check that 'callphys.def' file is around
125	OPEN(99,file='callphys.def',status='old',form='formatted'
126	& ,iostat=ierr)
127	CLOSE(99)
128
129	IF(ierr.EQ.0) THEN
130	PRINT*
131	PRINT*
132	PRINT*,'--------------------------------------------'
133	PRINT*,' inifis: Parameters for the physics (callphys.def)'
134	PRINT*,'--------------------------------------------'
135
136	write(,) "Directory where external input files are:"
137	datafile="/u/forget/WWW/datagcm/datafile"
138	call getin("datadir",datafile) ! default path
139	write(,) " datafile = ",trim(datafile)
140
141	write(,) "Run with or without tracer transport ?"
142	tracer=.false. ! default value
143	call getin("tracer",tracer)
144	write(,) " tracer = ",tracer
145
146	write(,) "Diurnal cycle ?"
147	write(,) "(if diurnal=False, diurnal averaged solar heating)"
148	diurnal=.true. ! default value
149	call getin("diurnal",diurnal)
150	write(,) " diurnal = ",diurnal
151
152	write(,) "Seasonal cycle ?"
153	write(,) "(if season=False, Ls stays constant, to value ",
154	& "set in 'start'"
155	season=.true. ! default value
156	call getin("season",season)
157	write(,) " season = ",season
158
159	write(,) "Write some extra output to the screen ?"
160	lwrite=.false. ! default value
161	call getin("lwrite",lwrite)
162	write(,) " lwrite = ",lwrite
163
164	write(,) "Save statistics in file stats.nc ?"
165	#ifdef MESOSCALE
166	callstats=.false. ! default value
167	#else
168	callstats=.true. ! default value
169	#endif
170	call getin("callstats",callstats)
171	write(,) " callstats = ",callstats
172
173	write(,) "Save EOF profiles in file 'profiles' for ",
174	& "Climate Database?"
175	calleofdump=.false. ! default value
176	call getin("calleofdump",calleofdump)
177	write(,) " calleofdump = ",calleofdump
178
179	write(,) "Dust scenario: 1=constant dust (read from startfi",
180	& " or set as tauvis); 2=Viking scenario; =3 MGS scenario,",
181	& "=4 Mars Year 24 from TES assimilation, ",
182	& "=24,25 or 26 :Mars Year 24,25 or 26 from TES assimilation"
183	iaervar=3 ! default value
184	call getin("iaervar",iaervar)
185	write(,) " iaervar = ",iaervar
186
187	write(,) "Reference (visible) dust opacity at 700 Pa ",
188	& "(matters only if iaervar=1)"
189	! NB: default value of tauvis is set/read in startfi.nc file
190	call getin("tauvis",tauvis)
191	write(,) " tauvis = ",tauvis
192
193	write(,) "Dust vertical distribution:"
194	write(,) "(=1 top set by topdustref parameter;",
195	& " =2 Viking scenario; =3 MGS scenario)"
196	iddist=3 ! default value
197	call getin("iddist",iddist)
198	write(,) " iddist = ",iddist
199
200	write(,) "Dust top altitude (km). (Matters only if iddist=1)"
201	topdustref= 90.0 ! default value
202	call getin("topdustref",topdustref)
203	write(,) " topdustref = ",topdustref
204
205	write(,) "call radiative transfer ?"
206	callrad=.true. ! default value
207	call getin("callrad",callrad)
208	write(,) " callrad = ",callrad
209
210	write(,) "call slope insolation scheme ?",
211	& "(matters only if callrad=T)"
212	#ifdef MESOSCALE
213	callslope=.true. ! default value
214	#else
215	callslope=.false. ! default value (not supported yet)
216	#endif
217	call getin("callslope",callslope)
218	write(,) " callslope = ",callslope
219
220	write(,) "call NLTE radiative schemes ?",
221	& "(matters only if callrad=T)"
222	callnlte=.false. ! default value
223	call getin("callnlte",callnlte)
224	write(,) " callnlte = ",callnlte
225
226	nltemodel=0 !default value
227	write(,) "NLTE model?"
228	write(,) "0 -> old model, static O"
229	write(,) "1 -> old model, dynamic O"
230	write(,) "2 -> new model"
231	write(,) "(matters only if callnlte=T)"
232	call getin("nltemodel",nltemodel)
233	write(,) " nltemodel = ",nltemodel
234
235	write(,) "call CO2 NIR absorption ?",
236	& "(matters only if callrad=T)"
237	callnirco2=.false. ! default value
238	call getin("callnirco2",callnirco2)
239	write(,) " callnirco2 = ",callnirco2
240
241	write(,) "New NIR NLTE correction ?",
242	$ "0-> old model (no correction)",
243	$ "1-> new correction",
244	$ "(matters only if callnirco2=T)"
245	call getin("nircorr",nircorr)
246	write(,) " nircorr = ",nircorr
247
248	write(,) "call turbulent vertical diffusion ?"
249	calldifv=.true. ! default value
250	call getin("calldifv",calldifv)
251	write(,) " calldifv = ",calldifv
252
253	write(,) "call thermals ?"
254	calltherm=.false. ! default value
255	call getin("calltherm",calltherm)
256	write(,) " calltherm = ",calltherm
257
258	write(,) "output thermal diagnostics ?"
259	outptherm=.false. ! default value
260	call getin("outptherm",outptherm)
261	write(,) " outptherm = ",outptherm
262
263	write(,) "call convective adjustment ?"
264	calladj=.true. ! default value
265	call getin("calladj",calladj)
266	write(,) " calladj = ",calladj
267
268	if (calltherm .and. (.not. calladj)) then
269	print*,'Convadj has to be activated when using thermals'
270	stop
271	endif
272
273	write(,) "call Richardson-based surface layer ?"
274	callrichsl=.false. ! default value
275	call getin("callrichsl",callrichsl)
276	write(,) " callrichsl = ",callrichsl
277
278	if (calltherm .and. .not.callrichsl) then
279	print*,'WARNING WARNING WARNING'
280	print*,'if calltherm=T we strongly advise that '
281	print*,'you use the new surface layer scheme '
282	print*,'by setting callrichsl=T '
283	endif
284
285	write(,) "call CO2 condensation ?"
286	callcond=.true. ! default value
287	call getin("callcond",callcond)
288	write(,) " callcond = ",callcond
289
290	write(,)"call thermal conduction in the soil ?"
291	callsoil=.true. ! default value
292	call getin("callsoil",callsoil)
293	write(,) " callsoil = ",callsoil
294
295
296	write(,)"call Lott's gravity wave/subgrid topography ",
297	& "scheme ?"
298	calllott=.true. ! default value
299	call getin("calllott",calllott)
300	write(,)" calllott = ",calllott
301
302
303	write(,)"rad.transfer is computed every iradia",
304	& " physical timestep"
305	iradia=1 ! default value
306	call getin("iradia",iradia)
307	write(,)" iradia = ",iradia
308
309
310	write(,)"Output of the exchange coefficient mattrix ?",
311	& "(for diagnostics only)"
312	callg2d=.false. ! default value
313	call getin("callg2d",callg2d)
314	write(,)" callg2d = ",callg2d
315
316	write(,)"Rayleigh scattering : (should be .false. for now)"
317	rayleigh=.false.
318	call getin("rayleigh",rayleigh)
319	write(,)" rayleigh = ",rayleigh
320
321
322	! TRACERS:
323
324	! dustbin
325	write(,)"Transported dust ? (if >0, use 'dustbin' dust bins)"
326	dustbin=0 ! default value
327	call getin("dustbin",dustbin)
328	write(,)" dustbin = ",dustbin
329	! active
330	write(,)"Radiatively active dust ? (matters if dustbin>0)"
331	active=.false. ! default value
332	call getin("active",active)
333	write(,)" active = ",active
334
335	! Test of incompatibility:
336	! if active is used, then dustbin should be > 0
337
338	if (active.and.(dustbin.lt.1)) then
339	print*,'if active is used, then dustbin should > 0'
340	stop
341	endif
342	! doubleq
343	write(,)"use mass and number mixing ratios to predict",
344	& " dust size ?"
345	doubleq=.false. ! default value
346	call getin("doubleq",doubleq)
347	write(,)" doubleq = ",doubleq
348	! submicron
349	submicron=.false. ! default value
350	call getin("submicron",submicron)
351	write(,)" submicron = ",submicron
352
353	! Test of incompatibility:
354	! if doubleq is used, then dustbin should be 2
355
356	if (doubleq.and.(dustbin.ne.2)) then
357	print*,'if doubleq is used, then dustbin should be 2'
358	stop
359	endif
360	if (doubleq.and.submicron.and.(nqmx.LT.3)) then
361	print*,'If doubleq is used with a submicron tracer,'
362	print*,' then the number of tracers has to be'
363	print*,' larger than 3.'
364	stop
365	endif
366	! lifting
367	write(,)"dust lifted by GCM surface winds ?"
368	lifting=.false. ! default value
369	call getin("lifting",lifting)
370	write(,)" lifting = ",lifting
371
372	! Test of incompatibility:
373	! if lifting is used, then dustbin should be > 0
374
375	if (lifting.and.(dustbin.lt.1)) then
376	print*,'if lifting is used, then dustbin should > 0'
377	stop
378	endif
379	! callddevil
380	write(,)" dust lifted by dust devils ?"
381	callddevil=.false. !default value
382	call getin("callddevil",callddevil)
383	write(,)" callddevil = ",callddevil
384
385	! Test of incompatibility:
386	! if dustdevil is used, then dustbin should be > 0
387
388	if (callddevil.and.(dustbin.lt.1)) then
389	print*,'if dustdevil is used, then dustbin should > 0'
390	stop
391	endif
392	! sedimentation
393	write(,) "Gravitationnal sedimentation ?"
394	sedimentation=.true. ! default value
395	call getin("sedimentation",sedimentation)
396	write(,) " sedimentation = ",sedimentation
397	! activice
398	write(,) "Radiatively active transported atmospheric ",
399	& "water ice ?"
400	activice=.false. ! default value
401	call getin("activice",activice)
402	write(,) " activice = ",activice
403	! water
404	write(,) "Compute water cycle ?"
405	water=.false. ! default value
406	call getin("water",water)
407	write(,) " water = ",water
408
409	! Test of incompatibility:
410
411	if (activice.and..not.water) then
412	print*,'if activice is used, water should be used too'
413	stop
414	endif
415
416	if (water.and..not.tracer) then
417	print*,'if water is used, tracer should be used too'
418	stop
419	endif
420
421	! water ice clouds effective variance distribution for sedimentaion
422	write(,) "effective variance for water ice clouds ?"
423	nuice_sed=0.45
424	call getin("nuice_sed",nuice_sed)
425	write(,) "water_param nueff Sedimentation:", nuice_sed
426
427	! ccn factor if no scavenging
428	write(,) "water param CCN reduc. factor ?", ccn_factor
429	ccn_factor = 4.5
430	call getin("ccn_factor",ccn_factor)
431	write(,)" ccn_factor = ",ccn_factor
432	write(,)"Careful: only used when microphys=F, otherwise"
433	write(,)"the contact parameter is used instead;"
434
435	! microphys
436	write(,)"Microphysical scheme for water-ice clouds?"
437	microphys=.false. ! default value
438	call getin("microphys",microphys)
439	write(,)" microphys = ",microphys
440
441	! microphysical parameter contact
442	write(,) "water contact parameter ?"
443	mteta = 0.95
444	call getin("mteta",mteta)
445	write(,) "mteta = ", mteta
446
447	! scavenging
448	write(,)"Dust scavenging by H2O/CO2 snowfall ?"
449	scavenging=.false. ! default value
450	call getin("scavenging",scavenging)
451	write(,)" scavenging = ",scavenging
452
453
454	! Test of incompatibility:
455	! if scavenging is used, then dustbin should be > 0
456
457	if (scavenging.and.(dustbin.lt.1)) then
458	print*,'if scavenging is used, then dustbin should > 0'
459	stop
460	endif
461	if ((microphys.and..not.doubleq).or.
462	& (microphys.and..not.active).or.
463	& (microphys.and..not.scavenging).or.
464	& (microphys.and..not.water)) then
465	print*,'if microphys is used, then doubleq,'
466	print*,'active, water and scavenging must all be used!'
467	stop
468	endif
469	if ((scavenging.and..not.doubleq).or.
470	& (scavenging.and..not.active).or.
471	& (scavenging.and..not.water).or.
472	& (scavenging.and..not.microphys)) then
473	print*,'if scavenging is used, then doubleq,'
474	print*,'active, water and microphys must all be used!'
475	stop
476	endif
477
478	! Test of incompatibility:
479
480	write(,) "Permanent water caps at poles ?",
481	& " .true. is RECOMMENDED"
482	write(,) "(with .true., North cap is a source of water ",
483	& "and South pole is a cold trap)"
484	caps=.true. ! default value
485	call getin("caps",caps)
486	write(,) " caps = ",caps
487
488	! albedo_h2o_ice
489	write(,) "water ice albedo ?"
490	albedo_h2o_ice=0.45
491	call getin("albedo_h2o_ice",albedo_h2o_ice)
492	write(,) " albedo_h2o_ice = ",albedo_h2o_ice
493	! inert_h2o_ice
494	write(,) "water ice thermal inertia ?"
495	inert_h2o_ice=2400 ! (J.m^-2.K^-1.s^-1/2)
496	call getin("inert_h2o_ice",inert_h2o_ice)
497	write(,) " inert_h2o_ice = ",inert_h2o_ice
498	! frost_albedo_threshold
499	write(,) "frost thickness threshold for albedo ?"
500	frost_albedo_threshold=0.005 ! 5.4 mic (i.e 0.005 kg.m-2)
501	call getin("frost_albedo_threshold",
502	& frost_albedo_threshold)
503	write(,) " frost_albedo_threshold = ",
504	& frost_albedo_threshold
505
506	!!!!!!!!!!!!!!!! TEMP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
507	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
508	write(,) "temp tag for water caps ?"
509	temptag=.false.
510	call getin("temptag",temptag)
511	write(,) " temptag = ",temptag
512	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
513	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
514
515	write(,) "photochemistry: include chemical species"
516	photochem=.false. ! default value
517	call getin("photochem",photochem)
518	write(,) " photochem = ",photochem
519
520
521	! THERMOSPHERE
522
523	write(,) "call thermosphere ?"
524	callthermos=.false. ! default value
525	call getin("callthermos",callthermos)
526	write(,) " callthermos = ",callthermos
527
528
529	write(,) " water included without cycle ",
530	& "(only if water=.false.)"
531	thermoswater=.false. ! default value
532	call getin("thermoswater",thermoswater)
533	write(,) " thermoswater = ",thermoswater
534
535	write(,) "call thermal conduction ?",
536	& " (only if callthermos=.true.)"
537	callconduct=.false. ! default value
538	call getin("callconduct",callconduct)
539	write(,) " callconduct = ",callconduct
540
541	write(,) "call EUV heating ?",
542	& " (only if callthermos=.true.)"
543	calleuv=.false. ! default value
544	call getin("calleuv",calleuv)
545	write(,) " calleuv = ",calleuv
546
547	write(,) "call molecular viscosity ?",
548	& " (only if callthermos=.true.)"
549	callmolvis=.false. ! default value
550	call getin("callmolvis",callmolvis)
551	write(,) " callmolvis = ",callmolvis
552
553	write(,) "call molecular diffusion ?",
554	& " (only if callthermos=.true.)"
555	callmoldiff=.false. ! default value
556	call getin("callmoldiff",callmoldiff)
557	write(,) " callmoldiff = ",callmoldiff
558
559
560	write(,) "call thermospheric photochemistry ?",
561	& " (only if callthermos=.true.)"
562	thermochem=.false. ! default value
563	call getin("thermochem",thermochem)
564	write(,) " thermochem = ",thermochem
565
566	write(,) "date for solar flux calculation:",
567	& " (1985 < date < 2002)"
568	write(,) "(Solar min=1996.4 ave=1993.4 max=1990.6)"
569	solarcondate=1993.4 ! default value
570	call getin("solarcondate",solarcondate)
571	write(,) " solarcondate = ",solarcondate
572
573
574	if (.not.callthermos) then
575	if (thermoswater) then
576	print*,'if thermoswater is set, callthermos must be true'
577	stop
578	endif
579	if (callconduct) then
580	print*,'if callconduct is set, callthermos must be true'
581	stop
582	endif
583	if (calleuv) then
584	print*,'if calleuv is set, callthermos must be true'
585	stop
586	endif
587	if (callmolvis) then
588	print*,'if callmolvis is set, callthermos must be true'
589	stop
590	endif
591	if (callmoldiff) then
592	print*,'if callmoldiff is set, callthermos must be true'
593	stop
594	endif
595	if (thermochem) then
596	print*,'if thermochem is set, callthermos must be true'
597	stop
598	endif
599	endif
600
601	! Test of incompatibility:
602	! if photochem is used, then water should be used too
603
604	if (photochem.and..not.water) then
605	print*,'if photochem is used, water should be used too'
606	stop
607	endif
608
609	! if callthermos is used, then thermoswater should be used too
610	! (if water not used already)
611
612	if (callthermos .and. .not.water) then
613	if (callthermos .and. .not.thermoswater) then
614	print*,'if callthermos is used, water or thermoswater
615	& should be used too'
616	stop
617	endif
618	endif
619
620	PRINT*,'--------------------------------------------'
621	PRINT*
622	PRINT*
623	ELSE
624	write(,)
625	write(,) 'Cannot read file callphys.def. Is it here ?'
626	stop
627	ENDIF
628
629	8000 FORMAT(t5,a12,l8)
630	8001 FORMAT(t5,a12,i8)
631
632	PRINT*
633	PRINT*,'inifis: daysec',daysec
634	PRINT*
635	PRINT*,'inifis: The radiative transfer is computed:'
636	PRINT*,' each ',iradia,' physical time-step'
637	PRINT,' or each ',iradiadtphys,' seconds'
638	PRINT*
639	! --------------------------------------------------------------
640	! Managing the Longwave radiative transfer
641	! --------------------------------------------------------------
642
643	! In most cases, the run just use the following values :
644	! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
645	callemis=.true.
646	! ilwd=10*int(daysec/dtphys) ! bug before 22/10/01
647	ilwd=1
648	ilwn=1 !2
649	ilwb=1 !2
650	linear=.true.
651	ncouche=3
652	alphan=0.4
653	semi=0
654
655	! BUT people working hard on the LW may want to read them in 'radia.def'
656	! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
657
658	OPEN(99,file='radia.def',status='old',form='formatted'
659	. ,iostat=ierr)
660	IF(ierr.EQ.0) THEN
661	write(,) 'inifis: Reading radia.def !!!'
662	READ(99,fmt='(a)') ch1
663	READ(99,*) callemis
664	WRITE(*,8000) ch1,callemis
665
666	READ(99,fmt='(a)') ch1
667	READ(99,*) iradia
668	WRITE(*,8001) ch1,iradia
669
670	READ(99,fmt='(a)') ch1
671	READ(99,*) ilwd
672	WRITE(*,8001) ch1,ilwd
673
674	READ(99,fmt='(a)') ch1
675	READ(99,*) ilwn
676	WRITE(*,8001) ch1,ilwn
677
678	READ(99,fmt='(a)') ch1
679	READ(99,*) linear
680	WRITE(*,8000) ch1,linear
681
682	READ(99,fmt='(a)') ch1
683	READ(99,*) ncouche
684	WRITE(*,8001) ch1,ncouche
685
686	READ(99,fmt='(a)') ch1
687	READ(99,*) alphan
688	WRITE(,) ch1,alphan
689
690	READ(99,fmt='(a)') ch1
691	READ(99,*) ilwb
692	WRITE(*,8001) ch1,ilwb
693
694
695	READ(99,fmt='(a)') ch1
696	READ(99,'(l1)') callg2d
697	WRITE(*,8000) ch1,callg2d
698
699	READ(99,fmt='(a)') ch1
700	READ(99,*) semi
701	WRITE(,) ch1,semi
702	end if
703	CLOSE(99)
704
705	!-----------------------------------------------------------------------
706	! Some more initialization:
707	! ------------------------
708
709	! in 'comgeomfi.h'
710	CALL SCOPY(ngrid,plon,1,long,1)
711	CALL SCOPY(ngrid,plat,1,lati,1)
712	CALL SCOPY(ngrid,parea,1,area,1)
713	totarea=SSUM(ngridmx,area,1)
714
715	! in 'comdiurn.h'
716	DO ig=1,ngrid
717	sinlat(ig)=sin(plat(ig))
718	coslat(ig)=cos(plat(ig))
719	sinlon(ig)=sin(plon(ig))
720	coslon(ig)=cos(plon(ig))
721	ENDDO
722
723	pi=2.*asin(1.) ! NB: pi is a common in comcstfi.h
724
725	! managing the tracers, and tests:
726	! -------------------------------
727	! Ehouarn: removed; as these tests are now done in initracer.F
728	! if(tracer) then
729	!
730	!! when photochem is used, nqchem_min is the rank
731	!! of the first chemical species
732	!
733	!! Ehouarn: nqchem_min is now meaningless and no longer used
734	!! nqchem_min = 1
735	! if (photochem .or. callthermos) then
736	! chem = .true.
737	! end if
738	!
739	! if (water .or. thermoswater) h2o = .true.
740	!
741	!! TESTS
742	!
743	! print*,'inifis: TRACERS:'
744	! write(,) " chem=",chem," h2o=",h2o
745	!! write(,) " doubleq=",doubleq
746	!! write(,) " dustbin=",dustbin
747	!
748	! if ((doubleq).and.(h2o).and.
749	! $ (chem)) then
750	! print*,' 2 dust tracers (doubleq)'
751	! print*,' 1 water vapour tracer'
752	! print*,' 1 water ice tracer'
753	! print*,nqmx-4,' chemistry tracers'
754	! endif
755	!
756	! if ((doubleq).and.(h2o).and.
757	! $ .not.(chem)) then
758	! print*,' 2 dust tracers (doubleq)'
759	! print*,' 1 water vapour tracer'
760	! print*,' 1 water ice tracer'
761	! if (nqmx.LT.4) then
762	! print*,'nqmx should be at least equal to'
763	! print*,'4 with these options.'
764	! stop
765	! endif
766	! endif
767	!
768	! if (.not.(doubleq).and.(h2o).and.
769	! $ (chem)) then
770	! if (dustbin.gt.0) then
771	! print*,dustbin,' dust bins'
772	! endif
773	! print*,nqmx-2-dustbin,' chemistry tracers'
774	! print*,' 1 water vapour tracer'
775	! print*,' 1 water ice tracer'
776	! endif
777	!
778	! if (.not.(doubleq).and.(h2o).and.
779	! $ .not.(chem)) then
780	! if (dustbin.gt.0) then
781	! print*,dustbin,' dust bins'
782	! endif
783	! print*,' 1 water vapour tracer'
784	! print*,' 1 water ice tracer'
785	! if (nqmx.gt.(dustbin+2)) then
786	! print*,'nqmx should be ',(dustbin+2),
787	! $ ' with these options...'
788	! print*,'(or check callphys.def)'
789	! endif
790	! if (nqmx.lt.(dustbin+2)) then
791	! write(,) "inifis: nqmx.lt.(dustbin+2)"
792	! stop
793	! endif
794	! endif
795	!
796	! endif ! of if (tracer)
797	!
798	! RETURN
799	END

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