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inifis.F @ 420

Last change on this file since 420 was 420, checked in by tnavarro, 13 years ago

24/11/11 == TN

corrected minor bug in updatereffrad.F : reffdust was not saved

ccn_factor as not correctly used in sedimentation.

It is now initialized in inifis.F, declared in tracer.h and
used in both simpleclouds.F & callsedim.F to update ice radius.

Commented diagfi outputs in aeropacity.F & improvedclouds.F for non scavenging users.

File size: 25.3 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="/data/fgglmd/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	! ccn factor if no scavenging
422	write(,) "water param CCN reduc. factor ?", ccn_factor
423	ccn_factor = 4.5
424	call getin("ccn_factor",ccn_factor)
425	write(,)" ccn_factor = ",ccn_factor
426	write(,)"Careful: only used when microphys=F, otherwise"
427	write(,)"the contact parameter is used instead;"
428
429	! microphys
430	write(,)"Microphysical scheme for water-ice clouds?"
431	microphys=.false. ! default value
432	call getin("microphys",microphys)
433	write(,)" microphys = ",microphys
434
435	! microphysical parameter contact
436	write(,) "water contact parameter ?"
437	mteta = 0.95
438	call getin("mteta",mteta)
439	write(,) "mteta = ", mteta
440
441	! scavenging
442	write(,)"Dust scavenging by H2O/CO2 snowfall ?"
443	scavenging=.false. ! default value
444	call getin("scavenging",scavenging)
445	write(,)" scavenging = ",scavenging
446
447
448	! Test of incompatibility:
449	! if scavenging is used, then dustbin should be > 0
450
451	if (scavenging.and.(dustbin.lt.1)) then
452	print*,'if scavenging is used, then dustbin should > 0'
453	stop
454	endif
455	if ((microphys.and..not.doubleq).or.
456	& (microphys.and..not.active).or.
457	& (microphys.and..not.scavenging).or.
458	& (microphys.and..not.water)) then
459	print*,'if microphys is used, then doubleq,'
460	print*,'active, water and scavenging must all be used!'
461	stop
462	endif
463	if ((scavenging.and..not.doubleq).or.
464	& (scavenging.and..not.active).or.
465	& (scavenging.and..not.water).or.
466	& (scavenging.and..not.microphys)) then
467	print*,'if scavenging is used, then doubleq,'
468	print*,'active, water and microphys must all be used!'
469	stop
470	endif
471
472	! Test of incompatibility:
473
474	write(,) "Permanent water caps at poles ?",
475	& " .true. is RECOMMENDED"
476	write(,) "(with .true., North cap is a source of water ",
477	& "and South pole is a cold trap)"
478	caps=.true. ! default value
479	call getin("caps",caps)
480	write(,) " caps = ",caps
481
482	! albedo_h2o_ice
483	write(,) "water ice albedo ?"
484	albedo_h2o_ice=0.45
485	call getin("albedo_h2o_ice",albedo_h2o_ice)
486	write(,) " albedo_h2o_ice = ",albedo_h2o_ice
487	! inert_h2o_ice
488	write(,) "water ice thermal inertia ?"
489	inert_h2o_ice=2400 ! (J.m^-2.K^-1.s^-1/2)
490	call getin("inert_h2o_ice",inert_h2o_ice)
491	write(,) " inert_h2o_ice = ",inert_h2o_ice
492	! frost_albedo_threshold
493	write(,) "frost thickness threshold for albedo ?"
494	frost_albedo_threshold=0.005 ! 5.4 mic (i.e 0.005 kg.m-2)
495	call getin("frost_albedo_threshold",
496	& frost_albedo_threshold)
497	write(,) " frost_albedo_threshold = ",
498	& frost_albedo_threshold
499
500	!!!!!!!!!!!!!!!! TEMP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
501	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
502	write(,) "temp tag for water caps ?"
503	temptag=.false.
504	call getin("temptag",temptag)
505	write(,) " temptag = ",temptag
506	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
507	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
508
509	write(,) "photochemistry: include chemical species"
510	photochem=.false. ! default value
511	call getin("photochem",photochem)
512	write(,) " photochem = ",photochem
513
514
515	! THERMOSPHERE
516
517	write(,) "call thermosphere ?"
518	callthermos=.false. ! default value
519	call getin("callthermos",callthermos)
520	write(,) " callthermos = ",callthermos
521
522
523	write(,) " water included without cycle ",
524	& "(only if water=.false.)"
525	thermoswater=.false. ! default value
526	call getin("thermoswater",thermoswater)
527	write(,) " thermoswater = ",thermoswater
528
529	write(,) "call thermal conduction ?",
530	& " (only if callthermos=.true.)"
531	callconduct=.false. ! default value
532	call getin("callconduct",callconduct)
533	write(,) " callconduct = ",callconduct
534
535	write(,) "call EUV heating ?",
536	& " (only if callthermos=.true.)"
537	calleuv=.false. ! default value
538	call getin("calleuv",calleuv)
539	write(,) " calleuv = ",calleuv
540
541	write(,) "call molecular viscosity ?",
542	& " (only if callthermos=.true.)"
543	callmolvis=.false. ! default value
544	call getin("callmolvis",callmolvis)
545	write(,) " callmolvis = ",callmolvis
546
547	write(,) "call molecular diffusion ?",
548	& " (only if callthermos=.true.)"
549	callmoldiff=.false. ! default value
550	call getin("callmoldiff",callmoldiff)
551	write(,) " callmoldiff = ",callmoldiff
552
553
554	write(,) "call thermospheric photochemistry ?",
555	& " (only if callthermos=.true.)"
556	thermochem=.false. ! default value
557	call getin("thermochem",thermochem)
558	write(,) " thermochem = ",thermochem
559
560	write(,) "date for solar flux calculation:",
561	& " (1985 < date < 2002)"
562	write(,) "(Solar min=1996.4 ave=1993.4 max=1990.6)"
563	solarcondate=1993.4 ! default value
564	call getin("solarcondate",solarcondate)
565	write(,) " solarcondate = ",solarcondate
566
567
568	if (.not.callthermos) then
569	if (thermoswater) then
570	print*,'if thermoswater is set, callthermos must be true'
571	stop
572	endif
573	if (callconduct) then
574	print*,'if callconduct is set, callthermos must be true'
575	stop
576	endif
577	if (calleuv) then
578	print*,'if calleuv is set, callthermos must be true'
579	stop
580	endif
581	if (callmolvis) then
582	print*,'if callmolvis is set, callthermos must be true'
583	stop
584	endif
585	if (callmoldiff) then
586	print*,'if callmoldiff is set, callthermos must be true'
587	stop
588	endif
589	if (thermochem) then
590	print*,'if thermochem is set, callthermos must be true'
591	stop
592	endif
593	endif
594
595	! Test of incompatibility:
596	! if photochem is used, then water should be used too
597
598	if (photochem.and..not.water) then
599	print*,'if photochem is used, water should be used too'
600	stop
601	endif
602
603	! if callthermos is used, then thermoswater should be used too
604	! (if water not used already)
605
606	if (callthermos .and. .not.water) then
607	if (callthermos .and. .not.thermoswater) then
608	print*,'if callthermos is used, water or thermoswater
609	& should be used too'
610	stop
611	endif
612	endif
613
614	PRINT*,'--------------------------------------------'
615	PRINT*
616	PRINT*
617	ELSE
618	write(,)
619	write(,) 'Cannot read file callphys.def. Is it here ?'
620	stop
621	ENDIF
622
623	8000 FORMAT(t5,a12,l8)
624	8001 FORMAT(t5,a12,i8)
625
626	PRINT*
627	PRINT*,'inifis: daysec',daysec
628	PRINT*
629	PRINT*,'inifis: The radiative transfer is computed:'
630	PRINT*,' each ',iradia,' physical time-step'
631	PRINT,' or each ',iradiadtphys,' seconds'
632	PRINT*
633	! --------------------------------------------------------------
634	! Managing the Longwave radiative transfer
635	! --------------------------------------------------------------
636
637	! In most cases, the run just use the following values :
638	! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
639	callemis=.true.
640	! ilwd=10*int(daysec/dtphys) ! bug before 22/10/01
641	ilwd=1
642	ilwn=1 !2
643	ilwb=1 !2
644	linear=.true.
645	ncouche=3
646	alphan=0.4
647	semi=0
648
649	! BUT people working hard on the LW may want to read them in 'radia.def'
650	! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
651
652	OPEN(99,file='radia.def',status='old',form='formatted'
653	. ,iostat=ierr)
654	IF(ierr.EQ.0) THEN
655	write(,) 'inifis: Reading radia.def !!!'
656	READ(99,fmt='(a)') ch1
657	READ(99,*) callemis
658	WRITE(*,8000) ch1,callemis
659
660	READ(99,fmt='(a)') ch1
661	READ(99,*) iradia
662	WRITE(*,8001) ch1,iradia
663
664	READ(99,fmt='(a)') ch1
665	READ(99,*) ilwd
666	WRITE(*,8001) ch1,ilwd
667
668	READ(99,fmt='(a)') ch1
669	READ(99,*) ilwn
670	WRITE(*,8001) ch1,ilwn
671
672	READ(99,fmt='(a)') ch1
673	READ(99,*) linear
674	WRITE(*,8000) ch1,linear
675
676	READ(99,fmt='(a)') ch1
677	READ(99,*) ncouche
678	WRITE(*,8001) ch1,ncouche
679
680	READ(99,fmt='(a)') ch1
681	READ(99,*) alphan
682	WRITE(,) ch1,alphan
683
684	READ(99,fmt='(a)') ch1
685	READ(99,*) ilwb
686	WRITE(*,8001) ch1,ilwb
687
688
689	READ(99,fmt='(a)') ch1
690	READ(99,'(l1)') callg2d
691	WRITE(*,8000) ch1,callg2d
692
693	READ(99,fmt='(a)') ch1
694	READ(99,*) semi
695	WRITE(,) ch1,semi
696	end if
697	CLOSE(99)
698
699	!-----------------------------------------------------------------------
700	! Some more initialization:
701	! ------------------------
702
703	! in 'comgeomfi.h'
704	CALL SCOPY(ngrid,plon,1,long,1)
705	CALL SCOPY(ngrid,plat,1,lati,1)
706	CALL SCOPY(ngrid,parea,1,area,1)
707	totarea=SSUM(ngridmx,area,1)
708
709	! in 'comdiurn.h'
710	DO ig=1,ngrid
711	sinlat(ig)=sin(plat(ig))
712	coslat(ig)=cos(plat(ig))
713	sinlon(ig)=sin(plon(ig))
714	coslon(ig)=cos(plon(ig))
715	ENDDO
716
717	pi=2.*asin(1.) ! NB: pi is a common in comcstfi.h
718
719	! managing the tracers, and tests:
720	! -------------------------------
721	! Ehouarn: removed; as these tests are now done in initracer.F
722	! if(tracer) then
723	!
724	!! when photochem is used, nqchem_min is the rank
725	!! of the first chemical species
726	!
727	!! Ehouarn: nqchem_min is now meaningless and no longer used
728	!! nqchem_min = 1
729	! if (photochem .or. callthermos) then
730	! chem = .true.
731	! end if
732	!
733	! if (water .or. thermoswater) h2o = .true.
734	!
735	!! TESTS
736	!
737	! print*,'inifis: TRACERS:'
738	! write(,) " chem=",chem," h2o=",h2o
739	!! write(,) " doubleq=",doubleq
740	!! write(,) " dustbin=",dustbin
741	!
742	! if ((doubleq).and.(h2o).and.
743	! $ (chem)) then
744	! print*,' 2 dust tracers (doubleq)'
745	! print*,' 1 water vapour tracer'
746	! print*,' 1 water ice tracer'
747	! print*,nqmx-4,' chemistry tracers'
748	! endif
749	!
750	! if ((doubleq).and.(h2o).and.
751	! $ .not.(chem)) then
752	! print*,' 2 dust tracers (doubleq)'
753	! print*,' 1 water vapour tracer'
754	! print*,' 1 water ice tracer'
755	! if (nqmx.LT.4) then
756	! print*,'nqmx should be at least equal to'
757	! print*,'4 with these options.'
758	! stop
759	! endif
760	! endif
761	!
762	! if (.not.(doubleq).and.(h2o).and.
763	! $ (chem)) then
764	! if (dustbin.gt.0) then
765	! print*,dustbin,' dust bins'
766	! endif
767	! print*,nqmx-2-dustbin,' chemistry tracers'
768	! print*,' 1 water vapour tracer'
769	! print*,' 1 water ice tracer'
770	! endif
771	!
772	! if (.not.(doubleq).and.(h2o).and.
773	! $ .not.(chem)) then
774	! if (dustbin.gt.0) then
775	! print*,dustbin,' dust bins'
776	! endif
777	! print*,' 1 water vapour tracer'
778	! print*,' 1 water ice tracer'
779	! if (nqmx.gt.(dustbin+2)) then
780	! print*,'nqmx should be ',(dustbin+2),
781	! $ ' with these options...'
782	! print*,'(or check callphys.def)'
783	! endif
784	! if (nqmx.lt.(dustbin+2)) then
785	! write(,) "inifis: nqmx.lt.(dustbin+2)"
786	! stop
787	! endif
788	! endif
789	!
790	! endif ! of if (tracer)
791	!
792	! RETURN
793	END

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