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leapfrog.F @ 1017

Last change on this file since 1017 was 1017, checked in by emillour, 11 years ago

Common dynamics: (and collateral adaptations in Venus physics)
Improved cpdet routines in and additional sponge mode:

Additionnal sponge mode (trigered with "callsponge" flag), in line with the one used in the Generic and Martian GCM. This sponge is called whenever there is a dissipation step.
Improvement of the cpdet routines : created routines tpot2t_glo_p and t2tpot_glo_p which handle fields on the whole dynamics (scaler) grid, which are more efficient than calling tpot2t_p or t2tpot_p with slabs of data (generated use of intermediate copies of these chunks of data at every call)
Turned cpdet.F into a module cpdet_mod.F90 (and correspondingly adapted all routines in the Venus physics).

File size: 28.5 KB

Line
1	!
2	! $Id: leapfrog.F 1446 2010-10-22 09:27:25Z emillour $
3	!
4	c
5	c
6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,
7	& time_0)
8
9
10	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
11	#ifdef CPP_IOIPSL
12	use IOIPSL
13	#endif
14	USE infotrac
15	USE guide_mod, ONLY : guide_main
16	USE write_field
17	USE control_mod
18	use cpdet_mod, only: cpdet,tpot2t,t2tpot
19	use sponge_mod, only: callsponge,mode_sponge,sponge
20	IMPLICIT NONE
21
22	c ...... Version du 10/01/98 ..........
23
24	c avec coordonnees verticales hybrides
25	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
26
27	c=======================================================================
28	c
29	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
30	c -------
31	c
32	c Objet:
33	c ------
34	c
35	c GCM LMD nouvelle grille
36	c
37	c=======================================================================
38	c
39	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
40	c et possibilite d'appeler une fonction f(y) a derivee tangente
41	c hyperbolique a la place de la fonction a derivee sinusoidale.
42
43	c ... Possibilite de choisir le shema pour l'advection de
44	c q , en modifiant iadv dans traceur.def (10/02) .
45	c
46	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
47	c Pour Van-Leer iadv=10
48	c
49	c-----------------------------------------------------------------------
50	c Declarations:
51	c -------------
52
53	#include "dimensions.h"
54	#include "paramet.h"
55	#include "comconst.h"
56	#include "comdissnew.h"
57	#include "comvert.h"
58	#include "comgeom.h"
59	#include "logic.h"
60	#include "temps.h"
61	#include "ener.h"
62	#include "description.h"
63	#include "serre.h"
64	!#include "com_io_dyn.h"
65	#include "iniprint.h"
66	#include "academic.h"
67
68	! FH 2008/05/09 On elimine toutes les clefs physiques dans la dynamique
69	! #include "clesphys.h"
70
71	real zqmin,zqmax
72
73	c variables dynamiques
74	REAL vcov(ip1jm,llm),ucov(ip1jmp1,llm) ! vents covariants
75	REAL teta(ip1jmp1,llm) ! temperature potentielle
76	REAL q(ip1jmp1,llm,nqtot) ! champs advectes
77	REAL ps(ip1jmp1) ! pression au sol
78	REAL p (ip1jmp1,llmp1 ) ! pression aux interfac.des couches
79	REAL pks(ip1jmp1) ! exner au sol
80	REAL pk(ip1jmp1,llm) ! exner au milieu des couches
81	REAL pkf(ip1jmp1,llm) ! exner filt.au milieu des couches
82	REAL masse(ip1jmp1,llm) ! masse d'air
83	REAL phis(ip1jmp1) ! geopotentiel au sol
84	REAL phi(ip1jmp1,llm) ! geopotentiel
85	REAL w(ip1jmp1,llm) ! vitesse verticale
86	! ADAPTATION GCM POUR CP(T)
87	REAL temp(ip1jmp1,llm) ! temperature
88	REAL tsurpk(ip1jmp1,llm) ! cpp*T/pk
89
90	c variables dynamiques intermediaire pour le transport
91	REAL pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
92
93	c variables dynamiques au pas -1
94	REAL vcovm1(ip1jm,llm),ucovm1(ip1jmp1,llm)
95	REAL tetam1(ip1jmp1,llm),psm1(ip1jmp1)
96	REAL massem1(ip1jmp1,llm)
97
98	c tendances dynamiques en */s
99	REAL dv(ip1jm,llm),du(ip1jmp1,llm)
100	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
101
102	c tendances de la dissipation en */s
103	REAL dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
104	REAL dtetadis(ip1jmp1,llm)
105
106	c tendances de la couche superieure */s
107	c REAL dvtop(ip1jm,llm)
108	REAL dutop(ip1jmp1,llm)
109	c REAL dtetatop(ip1jmp1,llm)
110	c REAL dqtop(ip1jmp1,llm,nqtot),dptop(ip1jmp1)
111
112	c TITAN : tendances due au forces de marees */s
113	REAL dvtidal(ip1jm,llm),dutidal(ip1jmp1,llm)
114
115	c tendances physiques */s
116	REAL dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
117	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
118
119	c variables pour le fichier histoire
120	REAL dtav ! intervalle de temps elementaire
121
122	REAL tppn(iim),tpps(iim),tpn,tps
123	c
124	INTEGER itau,itaufinp1,iav
125	! INTEGER iday ! jour julien
126	REAL time
127
128	REAL SSUM
129	REAL time_0
130	! REAL finvmaold(ip1jmp1,llm)
131
132	cym LOGICAL lafin
133	LOGICAL :: lafin=.false.
134	INTEGER ij,iq,l
135	INTEGER ik
136
137	real time_step, t_wrt, t_ops
138
139	REAL rdaym_ini
140	! jD_cur: jour julien courant
141	! jH_cur: heure julienne courante
142	REAL :: jD_cur, jH_cur
143	INTEGER :: an, mois, jour
144	REAL :: secondes
145
146	LOGICAL first,callinigrads
147	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
148	save first
149	data first/.true./
150	real dt_cum
151	character*10 infile
152	integer zan, tau0, thoriid
153	integer nid_ctesGCM
154	save nid_ctesGCM
155	real degres
156	real rlong(iip1), rlatg(jjp1)
157	real zx_tmp_2d(iip1,jjp1)
158	integer ndex2d(iip1*jjp1)
159	logical ok_sync
160	parameter (ok_sync = .true.)
161	logical physic
162
163	data callinigrads/.true./
164	character*10 string10
165
166	REAL alpha(ip1jmp1,llm),beta(ip1jmp1,llm)
167	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
168
169	c+jld variables test conservation energie
170	REAL ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
171	C Tendance de la temp. potentiel d (theta)/ d t due a la
172	C tansformation d'energie cinetique en energie thermique
173	C cree par la dissipation
174	REAL dtetaecdt(ip1jmp1,llm)
175	REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm)
176	REAL vnat(ip1jm,llm),unat(ip1jmp1,llm)
177	REAL d_h_vcol, d_qt, d_qw, d_ql, d_ec
178	CHARACTER*15 ztit
179	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
180	!IM SAVE ip_ebil_dyn
181	!IM DATA ip_ebil_dyn/0/
182	c-jld
183
184	integer :: itau_w ! for write_paramLMDZ_dyn.h
185
186	character*80 dynhist_file, dynhistave_file
187	character(len=*),parameter :: modname="leapfrog"
188	character*80 abort_message
189
190	logical dissip_conservative
191	save dissip_conservative
192	data dissip_conservative/.true./
193
194	INTEGER testita
195	PARAMETER (testita = 9)
196
197	logical , parameter :: flag_verif = .false.
198
199	! for CP(T)
200	real :: dtec
201	real :: ztetaec(ip1jmp1,llm)
202
203	c dummy: sinon cette routine n'est jamais compilee...
204	if(1.eq.0) then
205	#ifdef CPP_PHYS
206	CALL init_phys_lmdz(iim,jjp1,llm,1,(/(jjm-1)*iim+2/))
207	#endif
208	endif
209
210	itaufin = nday*day_step
211	if (less1day) then
212	c MODIF VENUS: to run less than one day:
213	itaufin = int(fractday*day_step)
214	endif
215	itaufinp1 = itaufin +1
216
217	c INITIALISATIONS
218	dudis(:,:) =0.
219	dvdis(:,:) =0.
220	dtetadis(:,:)=0.
221	dutop(:,:) =0.
222	c dvtop(:,:) =0.
223	c dtetatop(:,:)=0.
224	c dqtop(:,:,:) =0.
225	c dptop(:) =0.
226	dufi(:,:) =0.
227	dvfi(:,:) =0.
228	dtetafi(:,:)=0.
229	dqfi(:,:,:) =0.
230	dpfi(:) =0.
231
232	itau = 0
233	physic=.true.
234	if (iflag_phys==0.or.iflag_phys==2) physic=.false.
235
236	c iday = day_ini+itau/day_step
237	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
238	c IF(time.GT.1.) THEN
239	c time = time-1.
240	c iday = iday+1
241	c ENDIF
242
243
244	c-----------------------------------------------------------------------
245	c On initialise la pression et la fonction d'Exner :
246	c --------------------------------------------------
247
248	dq(:,:,:)=0.
249	CALL pression ( ip1jmp1, ap, bp, ps, p )
250	if (pressure_exner) then
251	CALL exner_hyb( ip1jmp1, ps, p,alpha,beta, pks, pk, pkf )
252	else
253	CALL exner_milieu( ip1jmp1, ps, p, beta, pks, pk, pkf )
254	endif
255
256	c------------------
257	c TEST PK MONOTONE
258	c------------------
259	write(,) "Test PK"
260	do ij=1,ip1jmp1
261	do l=2,llm
262	if(pk(ij,l).gt.pk(ij,l-1)) then
263	c write(,) ij,l,pk(ij,l)
264	abort_message = 'PK non strictement decroissante'
265	call abort_gcm(modname,abort_message,1)
266	c write(,) "ATTENTION, Test PK deconnecté..."
267	endif
268	enddo
269	enddo
270	write(,) "Fin Test PK"
271	c stop
272	c------------------
273
274	c-----------------------------------------------------------------------
275	c Debut de l'integration temporelle:
276	c ----------------------------------
277
278	1 CONTINUE ! Matsuno Forward step begins here
279
280	jD_cur = jD_ref + day_ini - day_ref + &
281	& itau/day_step
282	jH_cur = jH_ref + start_time + &
283	& mod(itau,day_step)/float(day_step)
284	jD_cur = jD_cur + int(jH_cur)
285	jH_cur = jH_cur - int(jH_cur)
286
287
288	#ifdef CPP_IOIPSL
289	if (ok_guide) then
290	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
291	endif
292	#endif
293
294
295	c
296	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
297	c CALL test_period ( ucov,vcov,teta,q,p,phis )
298	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
299	c ENDIF
300	c
301
302	! Save fields obtained at previous time step as '...m1'
303	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
304	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
305	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
306	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
307	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
308
309	forward = .TRUE.
310	leapf = .FALSE.
311	dt = dtvr
312
313	c ... P.Le Van .26/04/94 ....
314	! Ehouarn: finvmaold is actually not used
315	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
316	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
317
318	2 CONTINUE ! Matsuno backward or leapfrog step begins here
319
320	c-----------------------------------------------------------------------
321
322	c date:
323	c -----
324
325
326	c gestion des appels de la physique et des dissipations:
327	c ------------------------------------------------------
328	c
329	c ... P.Le Van ( 6/02/95 ) ....
330
331	apphys = .FALSE.
332	statcl = .FALSE.
333	conser = .FALSE.
334	apdiss = .FALSE.
335
336	IF( purmats ) THEN
337	! Purely Matsuno time stepping
338	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
339	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
340	s apdiss = .TRUE.
341	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
342	s .and. physic ) apphys = .TRUE.
343	ELSE
344	! Leapfrog/Matsuno time stepping
345	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
346	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
347	s apdiss = .TRUE.
348	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
349	END IF
350
351	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
352	! supress dissipation step
353	if (llm.eq.1) then
354	apdiss=.false.
355	endif
356
357	c-----------------------------------------------------------------------
358	c calcul des tendances dynamiques:
359	c --------------------------------
360
361	! ADAPTATION GCM POUR CP(T)
362	call tpot2t(ijp1llm,teta,temp,pk)
363	tsurpk = cpp*temp/pk
364	! compute geopotential phi()
365	CALL geopot ( ip1jmp1, tsurpk , pk , pks, phis , phi )
366
367	rdaym_ini = itau * dtvr / daysec
368
369	time = jD_cur + jH_cur
370	CALL caldyn
371	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,tsurpk,phis ,
372	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
373
374
375	c-----------------------------------------------------------------------
376	c calcul des tendances advection des traceurs (dont l'humidite)
377	c -------------------------------------------------------------
378
379	! IF( forward. OR . leapf ) THEN
380	! Ehouarn: NB: at this point p with ps are not synchronized
381	! (whereas mass and ps are...)
382	IF((.not.forward).OR. leapf ) THEN
383	! Ehouarn: gather mass fluxes during backward Matsuno or LF step
384	CALL caladvtrac(q,pbaru,pbarv,
385	* p, masse, dq, teta,
386	. flxw, pk)
387
388	IF (offline) THEN
389	Cmaf stokage du flux de masse pour traceurs OFF-LINE
390
391	#ifdef CPP_IOIPSL
392	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
393	. dtvr, itau)
394	#endif
395
396
397	ENDIF ! of IF (offline)
398	c
399	ENDIF ! of IF( forward. OR . leapf )
400
401
402	c-----------------------------------------------------------------------
403	c integrations dynamique et traceurs:
404	c ----------------------------------
405
406
407	CALL integrd ( 2,vcovm1,ucovm1,tetam1,psm1,massem1 ,
408	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
409	! $ finvmaold )
410
411	IF ((planet_type.eq."titan").and.(tidal)) then
412	c-----------------------------------------------------------------------
413	c Marées gravitationnelles causées par Saturne
414	c B. Charnay (28/10/2010)
415	c ----------------------------------------------------------
416	CALL tidal_forces(rdaym_ini, dutidal, dvtidal)
417	ucov=ucov+dutidal*dt
418	vcov=vcov+dvtidal*dt
419	ENDIF
420
421	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
422	c
423	c-----------------------------------------------------------------------
424	c calcul des tendances physiques:
425	c -------------------------------
426	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
427	c
428	IF( purmats ) THEN
429	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
430	ELSE
431	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
432	ENDIF
433	c
434	c
435	IF( apphys ) THEN
436	c
437	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
438	c
439
440	CALL pression ( ip1jmp1, ap, bp, ps, p )
441	if (pressure_exner) then
442	CALL exner_hyb( ip1jmp1, ps, p,alpha,beta,pks, pk, pkf )
443	else
444	CALL exner_milieu( ip1jmp1, ps, p, beta, pks, pk, pkf )
445	endif
446
447	jD_cur = jD_ref + day_ini - day_ref + &
448	& itau/day_step
449
450	IF (planet_type .eq."generic") THEN
451	! AS: we make jD_cur to be pday
452	jD_cur = int(day_ini + itau/day_step)
453	ENDIF
454
455	jH_cur = jH_ref + start_time + &
456	& mod(itau,day_step)/float(day_step)
457	jD_cur = jD_cur + int(jH_cur)
458	jH_cur = jH_cur - int(jH_cur)
459	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
460	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
461	! write(lunout,*)'current date = ',an, mois, jour, secondes
462
463	c rajout debug
464	c lafin = .true.
465
466
467	c Interface avec les routines de phylmd (phymars ... )
468	c -----------------------------------------------------
469
470	c+jld
471
472	c Diagnostique de conservation de l'énergie : initialisation
473	IF (ip_ebil_dyn.ge.1 ) THEN
474	ztit='bil dyn'
475	! Ehouarn: be careful, diagedyn is Earth-specific (includes ../phylmd/..)!
476	IF (planet_type.eq."earth") THEN
477	CALL diagedyn(ztit,2,1,1,dtphys
478	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
479	ENDIF
480	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
481	c-jld
482	#ifdef CPP_IOIPSL
483	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
484	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
485	c IF (first) THEN
486	c first=.false.
487	c#include "ini_paramLMDZ_dyn.h"
488	c ENDIF
489	c
490	c#include "write_paramLMDZ_dyn.h"
491	c
492	#endif
493	! #endif of #ifdef CPP_IOIPSL
494
495	CALL calfis( lafin , jD_cur, jH_cur,
496	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
497	$ du,dv,dteta,dq,
498	$ flxw,
499	$ dufi,dvfi,dtetafi,dqfi,dpfi )
500
501	c ajout des tendances physiques:
502	c ------------------------------
503	CALL addfi( dtphys, leapf, forward ,
504	$ ucov, vcov, teta , q ,ps ,
505	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
506
507	c Couche superieure :
508	c -------------------
509	IF (iflag_top_bound > 0) THEN
510	CALL top_bound(vcov,ucov,teta,masse,dtphys,dutop)
511	dutop(:,:)=dutop(:,:)/dtphys ! convert to a tendency in (m/s)/s
512	ENDIF
513
514	c Diagnostique de conservation de l'énergie : difference
515	IF (ip_ebil_dyn.ge.1 ) THEN
516	ztit='bil phys'
517	IF (planet_type.eq."earth") THEN
518	CALL diagedyn(ztit,2,1,1,dtphys
519	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
520	ENDIF
521	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
522
523	ENDIF ! of IF( apphys )
524
525	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
526	! Academic case : Simple friction and Newtonan relaxation
527	! -------------------------------------------------------
528	DO l=1,llm
529	DO ij=1,ip1jmp1
530	teta(ij,l)=teta(ij,l)-dtvr*
531	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
532	ENDDO
533	ENDDO ! of DO l=1,llm
534
535	if (planet_type.eq."giant") then
536	! add an intrinsic heat flux at the base of the atmosphere
537	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
538	endif
539
540	call friction(ucov,vcov,dtvr)
541
542
543	! Sponge layer (if any)
544	IF (ok_strato) THEN
545	CALL top_bound(vcov,ucov,teta,masse,dtvr,dutop)
546	dutop(:,:)=dutop(:,:)/dtvr ! convert to a tendency in (m/s)/s
547	ENDIF ! of IF (ok_strato)
548	ENDIF ! of IF (iflag_phys.EQ.2)
549
550
551	c-jld
552
553	CALL pression ( ip1jmp1, ap, bp, ps, p )
554	if (pressure_exner) then
555	CALL exner_hyb( ip1jmp1, ps, p,alpha,beta, pks, pk, pkf )
556	else
557	CALL exner_milieu( ip1jmp1, ps, p, beta, pks, pk, pkf )
558	endif
559
560
561	c-----------------------------------------------------------------------
562	c dissipation horizontale et verticale des petites echelles:
563	c ----------------------------------------------------------
564
565	IF(apdiss) THEN
566
567	! sponge layer
568	if (callsponge) then
569	CALL sponge(ucov,vcov,teta,ps,dtdiss,mode_sponge)
570	endif
571
572	c calcul de l'energie cinetique avant dissipation
573	call covcont(llm,ucov,vcov,ucont,vcont)
574	call enercin(vcov,ucov,vcont,ucont,ecin0)
575
576	c dissipation
577	! ADAPTATION GCM POUR CP(T)
578	call tpot2t(ijp1llm,teta,temp,pk)
579
580	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
581	ucov=ucov+dudis
582	vcov=vcov+dvdis
583	dudis=dudis/dtdiss ! passage en (m/s)/s
584	dvdis=dvdis/dtdiss ! passage en (m/s)/s
585
586	c------------------------------------------------------------------------
587	if (dissip_conservative) then
588	C On rajoute la tendance due a la transform. Ec -> E therm. cree
589	C lors de la dissipation
590	call covcont(llm,ucov,vcov,ucont,vcont)
591	call enercin(vcov,ucov,vcont,ucont,ecin)
592	! ADAPTATION GCM POUR CP(T)
593	do ij=1,ip1jmp1
594	do l=1,llm
595	dtec = (ecin0(ij,l)-ecin(ij,l))/cpdet(temp(ij,l))
596	temp(ij,l) = temp(ij,l) + dtec
597	enddo
598	enddo
599	call t2tpot(ijp1llm,temp,ztetaec,pk)
600	dtetaecdt=ztetaec-teta
601	dtetadis=dtetadis+dtetaecdt
602	endif
603	teta=teta+dtetadis
604	dtetadis=dtetadis/dtdiss ! passage en K/s
605	c------------------------------------------------------------------------
606
607
608	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
609	c ... Calcul de la valeur moyenne, unique de h aux poles .....
610	c
611
612	DO l = 1, llm
613	DO ij = 1,iim
614	tppn(ij) = aire( ij ) * teta( ij ,l)
615	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
616	ENDDO
617	tpn = SSUM(iim,tppn,1)/apoln
618	tps = SSUM(iim,tpps,1)/apols
619
620	DO ij = 1, iip1
621	teta( ij ,l) = tpn
622	teta(ij+ip1jm,l) = tps
623	ENDDO
624	ENDDO
625
626	if (1 == 0) then
627	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
628	!!! 2) should probably not be here anyway
629	!!! but are kept for those who would want to revert to previous behaviour
630	DO ij = 1,iim
631	tppn(ij) = aire( ij ) * ps ( ij )
632	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
633	ENDDO
634	tpn = SSUM(iim,tppn,1)/apoln
635	tps = SSUM(iim,tpps,1)/apols
636
637	DO ij = 1, iip1
638	ps( ij ) = tpn
639	ps(ij+ip1jm) = tps
640	ENDDO
641	endif ! of if (1 == 0)
642
643	END IF ! of IF(apdiss)
644
645	c ajout debug
646	c IF( lafin ) then
647	c abort_message = 'Simulation finished'
648	c call abort_gcm(modname,abort_message,0)
649	c ENDIF
650
651	c ********************************************************************
652	c ********************************************************************
653	c .... fin de l'integration dynamique et physique pour le pas itau ..
654	c ********************************************************************
655	c ********************************************************************
656
657	c preparation du pas d'integration suivant ......
658
659	IF ( .NOT.purmats ) THEN
660	c ........................................................
661	c .............. schema matsuno + leapfrog ..............
662	c ........................................................
663
664	IF(forward. OR. leapf) THEN
665	itau= itau + 1
666	c iday= day_ini+itau/day_step
667	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
668	c IF(time.GT.1.) THEN
669	c time = time-1.
670	c iday = iday+1
671	c ENDIF
672	ENDIF
673
674
675	IF( itau. EQ. itaufinp1 ) then
676	if (flag_verif) then
677	write(79,*) 'ucov',ucov
678	write(80,*) 'vcov',vcov
679	write(81,*) 'teta',teta
680	write(82,*) 'ps',ps
681	write(83,*) 'q',q
682	WRITE(85,*) 'q1 = ',q(:,:,1)
683	WRITE(86,*) 'q3 = ',q(:,:,3)
684	endif
685
686	abort_message = 'Simulation finished'
687
688	call abort_gcm(modname,abort_message,0)
689	ENDIF
690	c-----------------------------------------------------------------------
691	c ecriture du fichier histoire moyenne:
692	c -------------------------------------
693
694	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
695	IF(itau.EQ.itaufin) THEN
696	iav=1
697	ELSE
698	iav=0
699	ENDIF
700
701	IF (ok_dynzon) THEN
702	#ifdef CPP_IOIPSL
703	c les traceurs ne sont pas sortis, trop lourd.
704	c Peut changer eventuellement si besoin.
705	CALL bilan_dyn(dtvriperiod,dtvrday_step*periodav,
706	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,
707	& du,dudis,dutop,dufi)
708	#endif
709	END IF
710	IF (ok_dyn_ave) THEN
711	#ifdef CPP_IOIPSL
712	CALL writedynav(itau,vcov,
713	& ucov,teta,pk,phi,q,masse,ps,phis)
714	#endif
715	ENDIF
716
717	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
718
719	c-----------------------------------------------------------------------
720	c ecriture de la bande histoire:
721	c ------------------------------
722
723	IF( MOD(itau,iecri).EQ.0) THEN
724	! Ehouarn: output only during LF or Backward Matsuno
725	if (leapf.or.(.not.leapf.and.(.not.forward))) then
726	! ADAPTATION GCM POUR CP(T)
727	call tpot2t(ijp1llm,teta,temp,pk)
728	tsurpk = cpp*temp/pk
729	CALL geopot(ip1jmp1,tsurpk,pk,pks,phis,phi)
730	unat=0.
731	do l=1,llm
732	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
733	vnat(:,l)=vcov(:,l)/cv(:)
734	enddo
735	#ifdef CPP_IOIPSL
736	if (ok_dyn_ins) then
737	! write(lunout,*) "leapfrog: call writehist, itau=",itau
738	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
739	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
740	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
741	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
742	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
743	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
744	endif ! of if (ok_dyn_ins)
745	#endif
746	! For some Grads outputs of fields
747	if (output_grads_dyn) then
748	#include "write_grads_dyn.h"
749	endif
750	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
751	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
752
753	IF(itau.EQ.itaufin) THEN
754
755
756	if (planet_type.eq."mars") then
757	! POUR MARS, METTRE UNE FONCTION A PART, genre dynredem1_mars
758	abort_message = 'dynredem1_mars A FAIRE'
759	call abort_gcm(modname,abort_message,0)
760	else
761	CALL dynredem1("restart.nc",start_time,
762	& vcov,ucov,teta,q,masse,ps)
763	endif ! of if (planet_type.eq."mars")
764
765	CLOSE(99)
766	!!! Ehouarn: Why not stop here and now?
767	ENDIF ! of IF (itau.EQ.itaufin)
768
769	c-----------------------------------------------------------------------
770	c gestion de l'integration temporelle:
771	c ------------------------------------
772
773	IF( MOD(itau,iperiod).EQ.0 ) THEN
774	GO TO 1
775	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
776
777	IF( forward ) THEN
778	c fin du pas forward et debut du pas backward
779
780	forward = .FALSE.
781	leapf = .FALSE.
782	GO TO 2
783
784	ELSE
785	c fin du pas backward et debut du premier pas leapfrog
786
787	leapf = .TRUE.
788	dt = 2.*dtvr
789	GO TO 2
790	END IF ! of IF (forward)
791	ELSE
792
793	c ...... pas leapfrog .....
794
795	leapf = .TRUE.
796	dt = 2.*dtvr
797	GO TO 2
798	END IF ! of IF (MOD(itau,iperiod).EQ.0)
799	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
800
801	ELSE ! of IF (.not.purmats)
802
803	c ........................................................
804	c .............. schema matsuno ...............
805	c ........................................................
806	IF( forward ) THEN
807
808	itau = itau + 1
809	c iday = day_ini+itau/day_step
810	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
811	c
812	c IF(time.GT.1.) THEN
813	c time = time-1.
814	c iday = iday+1
815	c ENDIF
816
817	forward = .FALSE.
818	IF( itau. EQ. itaufinp1 ) then
819	abort_message = 'Simulation finished'
820	call abort_gcm(modname,abort_message,0)
821	ENDIF
822	GO TO 2
823
824	ELSE ! of IF(forward) i.e. backward step
825
826	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
827	IF(itau.EQ.itaufin) THEN
828	iav=1
829	ELSE
830	iav=0
831	ENDIF
832
833	IF (ok_dynzon) THEN
834	#ifdef CPP_IOIPSL
835	c les traceurs ne sont pas sortis, trop lourd.
836	c Peut changer eventuellement si besoin.
837	CALL bilan_dyn(dtvriperiod,dtvrday_step*periodav,
838	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,
839	& du,dudis,dutop,dufi)
840	#endif
841	ENDIF
842	IF (ok_dyn_ave) THEN
843	#ifdef CPP_IOIPSL
844	CALL writedynav(itau,vcov,
845	& ucov,teta,pk,phi,q,masse,ps,phis)
846	#endif
847	ENDIF
848
849	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
850
851	IF(MOD(itau,iecri ).EQ.0) THEN
852	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
853	! ADAPTATION GCM POUR CP(T)
854	call tpot2t(ijp1llm,teta,temp,pk)
855	tsurpk = cpp*temp/pk
856	CALL geopot(ip1jmp1,tsurpk,pk,pks,phis,phi)
857	unat=0.
858	do l=1,llm
859	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
860	vnat(:,l)=vcov(:,l)/cv(:)
861	enddo
862	#ifdef CPP_IOIPSL
863	if (ok_dyn_ins) then
864	! write(lunout,*) "leapfrog: call writehist (b)",
865	! & itau,iecri
866	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
867	endif ! of if (ok_dyn_ins)
868	#endif
869	! For some Grads outputs
870	if (output_grads_dyn) then
871	#include "write_grads_dyn.h"
872	endif
873
874	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
875
876	IF(itau.EQ.itaufin) THEN
877	if (planet_type.eq."mars") then
878	! POUR MARS, METTRE UNE FONCTION A PART, genre dynredem1_mars
879	abort_message = 'dynredem1_mars A FAIRE'
880	call abort_gcm(modname,abort_message,0)
881	else
882	CALL dynredem1("restart.nc",start_time,
883	& vcov,ucov,teta,q,masse,ps)
884	endif ! of if (planet_type.eq."mars")
885	ENDIF ! of IF(itau.EQ.itaufin)
886
887	forward = .TRUE.
888	GO TO 1
889
890	ENDIF ! of IF (forward)
891
892	END IF ! of IF(.not.purmats)
893
894	STOP
895	END

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