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leapfrog.F @ 2038

Last change on this file since 2038 was 2038, checked in by fhourdin, 10 years ago
Possibilité d'imposer le nombre de pas de temps de la simulation avec nday<0 If nday<0, nday is the total number of time step of the simulation
Property copyright set to Name of program: LMDZ Creation date: 1984 Version: LMDZ5 License: CeCILL version 2 Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539 See the license file in the root directory Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 26.2 KB

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1	!
2	! $Id: leapfrog.F 2038 2014-05-07 09:05:48Z fhourdin $
3	!
4	c
5	c
6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,clesphy0,
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, ONLY: nqtot
15	USE guide_mod, ONLY : guide_main
16	USE write_field, ONLY: writefield
17	USE control_mod, ONLY: nday, day_step, planet_type, offline,
18	& iconser, iphysiq, iperiod, dissip_period,
19	& iecri, ip_ebil_dyn, ok_dynzon, ok_dyn_ins,
20	& periodav, ok_dyn_ave, output_grads_dyn
21	use exner_hyb_m, only: exner_hyb
22	use exner_milieu_m, only: exner_milieu
23
24	IMPLICIT NONE
25
26	c ...... Version du 10/01/98 ..........
27
28	c avec coordonnees verticales hybrides
29	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
30
31	c=======================================================================
32	c
33	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
34	c -------
35	c
36	c Objet:
37	c ------
38	c
39	c GCM LMD nouvelle grille
40	c
41	c=======================================================================
42	c
43	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
44	c et possibilite d'appeler une fonction f(y) a derivee tangente
45	c hyperbolique a la place de la fonction a derivee sinusoidale.
46
47	c ... Possibilite de choisir le shema pour l'advection de
48	c q , en modifiant iadv dans traceur.def (10/02) .
49	c
50	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
51	c Pour Van-Leer iadv=10
52	c
53	c-----------------------------------------------------------------------
54	c Declarations:
55	c -------------
56
57	#include "dimensions.h"
58	#include "paramet.h"
59	#include "comconst.h"
60	#include "comdissnew.h"
61	#include "comvert.h"
62	#include "comgeom.h"
63	#include "logic.h"
64	#include "temps.h"
65	#include "ener.h"
66	#include "description.h"
67	#include "serre.h"
68	!#include "com_io_dyn.h"
69	#include "iniprint.h"
70	#include "academic.h"
71
72	! FH 2008/05/09 On elimine toutes les clefs physiques dans la dynamique
73	! #include "clesphys.h"
74
75	INTEGER,PARAMETER :: longcles = 20
76	REAL,INTENT(IN) :: clesphy0( longcles ) ! not used
77	REAL,INTENT(IN) :: time_0 ! not used
78
79	c dynamical variables:
80	REAL,INTENT(INOUT) :: ucov(ip1jmp1,llm) ! zonal covariant wind
81	REAL,INTENT(INOUT) :: vcov(ip1jm,llm) ! meridional covariant wind
82	REAL,INTENT(INOUT) :: teta(ip1jmp1,llm) ! potential temperature
83	REAL,INTENT(INOUT) :: ps(ip1jmp1) ! surface pressure (Pa)
84	REAL,INTENT(INOUT) :: masse(ip1jmp1,llm) ! air mass
85	REAL,INTENT(INOUT) :: phis(ip1jmp1) ! geopotentiat at the surface
86	REAL,INTENT(INOUT) :: q(ip1jmp1,llm,nqtot) ! advected tracers
87
88	REAL p (ip1jmp1,llmp1 ) ! interlayer pressure
89	REAL pks(ip1jmp1) ! exner at the surface
90	REAL pk(ip1jmp1,llm) ! exner at mid-layer
91	REAL pkf(ip1jmp1,llm) ! filtered exner at mid-layer
92	REAL phi(ip1jmp1,llm) ! geopotential
93	REAL w(ip1jmp1,llm) ! vertical velocity
94
95	real zqmin,zqmax
96
97	c variables dynamiques intermediaire pour le transport
98	REAL pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
99
100	c variables dynamiques au pas -1
101	REAL vcovm1(ip1jm,llm),ucovm1(ip1jmp1,llm)
102	REAL tetam1(ip1jmp1,llm),psm1(ip1jmp1)
103	REAL massem1(ip1jmp1,llm)
104
105	c tendances dynamiques
106	REAL dv(ip1jm,llm),du(ip1jmp1,llm)
107	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
108
109	c tendances de la dissipation
110	REAL dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
111	REAL dtetadis(ip1jmp1,llm)
112
113	c tendances physiques
114	REAL dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
115	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
116
117	c variables pour le fichier histoire
118	REAL dtav ! intervalle de temps elementaire
119
120	REAL tppn(iim),tpps(iim),tpn,tps
121	c
122	INTEGER itau,itaufinp1,iav
123	! INTEGER iday ! jour julien
124	REAL time
125
126	REAL SSUM
127	! REAL finvmaold(ip1jmp1,llm)
128
129	cym LOGICAL lafin
130	LOGICAL :: lafin=.false.
131	INTEGER ij,iq,l
132	INTEGER ik
133
134	real time_step, t_wrt, t_ops
135
136	! REAL rdayvrai,rdaym_ini
137	! jD_cur: jour julien courant
138	! jH_cur: heure julienne courante
139	REAL :: jD_cur, jH_cur
140	INTEGER :: an, mois, jour
141	REAL :: secondes
142
143	LOGICAL first,callinigrads
144	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
145	save first
146	data first/.true./
147	real dt_cum
148	character*10 infile
149	integer zan, tau0, thoriid
150	integer nid_ctesGCM
151	save nid_ctesGCM
152	real degres
153	real rlong(iip1), rlatg(jjp1)
154	real zx_tmp_2d(iip1,jjp1)
155	integer ndex2d(iip1*jjp1)
156	logical ok_sync
157	parameter (ok_sync = .true.)
158	logical physic
159
160	data callinigrads/.true./
161	character*10 string10
162
163	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
164
165	c+jld variables test conservation energie
166	REAL ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
167	C Tendance de la temp. potentiel d (theta)/ d t due a la
168	C tansformation d'energie cinetique en energie thermique
169	C cree par la dissipation
170	REAL dtetaecdt(ip1jmp1,llm)
171	REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm)
172	REAL vnat(ip1jm,llm),unat(ip1jmp1,llm)
173	REAL d_h_vcol, d_qt, d_qw, d_ql, d_ec
174	CHARACTER*15 ztit
175	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
176	!IM SAVE ip_ebil_dyn
177	!IM DATA ip_ebil_dyn/0/
178	c-jld
179
180	character*80 dynhist_file, dynhistave_file
181	character(len=*),parameter :: modname="leapfrog"
182	character*80 abort_message
183
184	logical dissip_conservative
185	save dissip_conservative
186	data dissip_conservative/.true./
187
188	LOGICAL prem
189	save prem
190	DATA prem/.true./
191	INTEGER testita
192	PARAMETER (testita = 9)
193
194	logical , parameter :: flag_verif = .false.
195
196
197	integer itau_w ! pas de temps ecriture = itap + itau_phy
198
199
200	if (nday>=0) then
201	itaufin = nday*day_step
202	else
203	itaufin = -nday
204	endif
205	itaufinp1 = itaufin +1
206	itau = 0
207	physic=.true.
208	if (iflag_phys==0.or.iflag_phys==2) physic=.false.
209
210	c iday = day_ini+itau/day_step
211	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
212	c IF(time.GT.1.) THEN
213	c time = time-1.
214	c iday = iday+1
215	c ENDIF
216
217
218	c-----------------------------------------------------------------------
219	c On initialise la pression et la fonction d'Exner :
220	c --------------------------------------------------
221
222	dq(:,:,:)=0.
223	CALL pression ( ip1jmp1, ap, bp, ps, p )
224	if (pressure_exner) then
225	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
226	else
227	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
228	endif
229
230	c-----------------------------------------------------------------------
231	c Debut de l'integration temporelle:
232	c ----------------------------------
233
234	1 CONTINUE ! Matsuno Forward step begins here
235
236	jD_cur = jD_ref + day_ini - day_ref + &
237	& itau/day_step
238	jH_cur = jH_ref + start_time + &
239	& mod(itau,day_step)/float(day_step)
240	jD_cur = jD_cur + int(jH_cur)
241	jH_cur = jH_cur - int(jH_cur)
242
243
244	#ifdef CPP_IOIPSL
245	if (ok_guide) then
246	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
247	endif
248	#endif
249
250
251	c
252	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
253	c CALL test_period ( ucov,vcov,teta,q,p,phis )
254	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
255	c ENDIF
256	c
257
258	! Save fields obtained at previous time step as '...m1'
259	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
260	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
261	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
262	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
263	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
264
265	forward = .TRUE.
266	leapf = .FALSE.
267	dt = dtvr
268
269	c ... P.Le Van .26/04/94 ....
270	! Ehouarn: finvmaold is actually not used
271	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
272	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
273
274	2 CONTINUE ! Matsuno backward or leapfrog step begins here
275
276	c-----------------------------------------------------------------------
277
278	c date:
279	c -----
280
281
282	c gestion des appels de la physique et des dissipations:
283	c ------------------------------------------------------
284	c
285	c ... P.Le Van ( 6/02/95 ) ....
286
287	apphys = .FALSE.
288	statcl = .FALSE.
289	conser = .FALSE.
290	apdiss = .FALSE.
291
292	IF( purmats ) THEN
293	! Purely Matsuno time stepping
294	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
295	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
296	s apdiss = .TRUE.
297	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
298	s .and. physic ) apphys = .TRUE.
299	ELSE
300	! Leapfrog/Matsuno time stepping
301	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
302	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
303	s apdiss = .TRUE.
304	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
305	END IF
306
307	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
308	! supress dissipation step
309	if (llm.eq.1) then
310	apdiss=.false.
311	endif
312
313	c-----------------------------------------------------------------------
314	c calcul des tendances dynamiques:
315	c --------------------------------
316
317	! compute geopotential phi()
318	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
319
320	time = jD_cur + jH_cur
321	CALL caldyn
322	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
323	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
324
325
326	c-----------------------------------------------------------------------
327	c calcul des tendances advection des traceurs (dont l'humidite)
328	c -------------------------------------------------------------
329
330	IF( forward. OR . leapf ) THEN
331	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
332	CALL caladvtrac(q,pbaru,pbarv,
333	* p, masse, dq, teta,
334	. flxw, pk)
335
336	IF (offline) THEN
337	Cmaf stokage du flux de masse pour traceurs OFF-LINE
338
339	#ifdef CPP_IOIPSL
340	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
341	. dtvr, itau)
342	#endif
343
344
345	ENDIF ! of IF (offline)
346	c
347	ENDIF ! of IF( forward. OR . leapf )
348
349
350	c-----------------------------------------------------------------------
351	c integrations dynamique et traceurs:
352	c ----------------------------------
353
354
355	CALL integrd ( 2,vcovm1,ucovm1,tetam1,psm1,massem1 ,
356	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
357	! $ finvmaold )
358
359
360	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
361	c
362	c-----------------------------------------------------------------------
363	c calcul des tendances physiques:
364	c -------------------------------
365	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
366	c
367	IF( purmats ) THEN
368	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
369	ELSE
370	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
371	ENDIF
372	c
373	c
374	IF( apphys ) THEN
375	c
376	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
377	c
378
379	CALL pression ( ip1jmp1, ap, bp, ps, p )
380	if (pressure_exner) then
381	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
382	else
383	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
384	endif
385
386	! rdaym_ini = itau * dtvr / daysec
387	! rdayvrai = rdaym_ini + day_ini
388	! jD_cur = jD_ref + day_ini - day_ref
389	! $ + int (itau * dtvr / daysec)
390	! jH_cur = jH_ref + &
391	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
392	jD_cur = jD_ref + day_ini - day_ref + &
393	& itau/day_step
394
395	IF (planet_type .eq."generic") THEN
396	! AS: we make jD_cur to be pday
397	jD_cur = int(day_ini + itau/day_step)
398	ENDIF
399
400	jH_cur = jH_ref + start_time + &
401	& mod(itau,day_step)/float(day_step)
402	jD_cur = jD_cur + int(jH_cur)
403	jH_cur = jH_cur - int(jH_cur)
404	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
405	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
406	! write(lunout,*)'current date = ',an, mois, jour, secondes
407
408	c rajout debug
409	c lafin = .true.
410
411
412	c Inbterface avec les routines de phylmd (phymars ... )
413	c -----------------------------------------------------
414
415	c+jld
416
417	c Diagnostique de conservation de l'énergie : initialisation
418	IF (ip_ebil_dyn.ge.1 ) THEN
419	ztit='bil dyn'
420	! Ehouarn: be careful, diagedyn is Earth-specific (includes ../phylmd/..)!
421	IF (planet_type.eq."earth") THEN
422	#ifdef CPP_EARTH
423	CALL diagedyn(ztit,2,1,1,dtphys
424	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
425	#endif
426	ENDIF
427	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
428	c-jld
429	#ifdef CPP_IOIPSL
430	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
431	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
432	c IF (first) THEN
433	c first=.false.
434	c#include "ini_paramLMDZ_dyn.h"
435	c ENDIF
436	c
437	c#include "write_paramLMDZ_dyn.h"
438	c
439	#endif
440	! #endif of #ifdef CPP_IOIPSL
441	CALL calfis( lafin , jD_cur, jH_cur,
442	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
443	$ du,dv,dteta,dq,
444	$ flxw,
445	$ clesphy0, dufi,dvfi,dtetafi,dqfi,dpfi )
446
447	c ajout des tendances physiques:
448	c ------------------------------
449	CALL addfi( dtphys, leapf, forward ,
450	$ ucov, vcov, teta , q ,ps ,
451	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
452	! since addfi updates ps(), also update p(), masse() and pk()
453	CALL pression (ip1jmp1,ap,bp,ps,p)
454	CALL massdair(p,masse)
455	if (pressure_exner) then
456	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
457	else
458	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
459	endif
460
461	IF (ok_strato) THEN
462	CALL top_bound( vcov,ucov,teta,masse,dtphys)
463	ENDIF
464
465	c
466	c Diagnostique de conservation de l'énergie : difference
467	IF (ip_ebil_dyn.ge.1 ) THEN
468	ztit='bil phys'
469	IF (planet_type.eq."earth") THEN
470	CALL diagedyn(ztit,2,1,1,dtphys
471	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
472	ENDIF
473	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
474
475	ENDIF ! of IF( apphys )
476
477	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
478	! Academic case : Simple friction and Newtonan relaxation
479	! -------------------------------------------------------
480	DO l=1,llm
481	DO ij=1,ip1jmp1
482	teta(ij,l)=teta(ij,l)-dtvr*
483	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
484	ENDDO
485	ENDDO ! of DO l=1,llm
486
487	if (planet_type.eq."giant") then
488	! add an intrinsic heat flux at the base of the atmosphere
489	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
490	endif
491
492	call friction(ucov,vcov,dtvr)
493
494	! Sponge layer (if any)
495	IF (ok_strato) THEN
496	! dufi(:,:)=0.
497	! dvfi(:,:)=0.
498	! dtetafi(:,:)=0.
499	! dqfi(:,:,:)=0.
500	! dpfi(:)=0.
501	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
502	CALL top_bound( vcov,ucov,teta,masse,dtvr)
503	! CALL addfi( dtvr, leapf, forward ,
504	! $ ucov, vcov, teta , q ,ps ,
505	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
506	ENDIF ! of IF (ok_strato)
507	ENDIF ! of IF (iflag_phys.EQ.2)
508
509
510	c-jld
511
512	CALL pression ( ip1jmp1, ap, bp, ps, p )
513	if (pressure_exner) then
514	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
515	else
516	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
517	endif
518	CALL massdair(p,masse)
519
520
521	c-----------------------------------------------------------------------
522	c dissipation horizontale et verticale des petites echelles:
523	c ----------------------------------------------------------
524
525	IF(apdiss) THEN
526
527
528	c calcul de l'energie cinetique avant dissipation
529	call covcont(llm,ucov,vcov,ucont,vcont)
530	call enercin(vcov,ucov,vcont,ucont,ecin0)
531
532	c dissipation
533	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
534	ucov=ucov+dudis
535	vcov=vcov+dvdis
536	c teta=teta+dtetadis
537
538
539	c------------------------------------------------------------------------
540	if (dissip_conservative) then
541	C On rajoute la tendance due a la transform. Ec -> E therm. cree
542	C lors de la dissipation
543	call covcont(llm,ucov,vcov,ucont,vcont)
544	call enercin(vcov,ucov,vcont,ucont,ecin)
545	dtetaecdt= (ecin0-ecin)/ pk
546	c teta=teta+dtetaecdt
547	dtetadis=dtetadis+dtetaecdt
548	endif
549	teta=teta+dtetadis
550	c------------------------------------------------------------------------
551
552
553	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
554	c ... Calcul de la valeur moyenne, unique de h aux poles .....
555	c
556
557	DO l = 1, llm
558	DO ij = 1,iim
559	tppn(ij) = aire( ij ) * teta( ij ,l)
560	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
561	ENDDO
562	tpn = SSUM(iim,tppn,1)/apoln
563	tps = SSUM(iim,tpps,1)/apols
564
565	DO ij = 1, iip1
566	teta( ij ,l) = tpn
567	teta(ij+ip1jm,l) = tps
568	ENDDO
569	ENDDO
570
571	if (1 == 0) then
572	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
573	!!! 2) should probably not be here anyway
574	!!! but are kept for those who would want to revert to previous behaviour
575	DO ij = 1,iim
576	tppn(ij) = aire( ij ) * ps ( ij )
577	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
578	ENDDO
579	tpn = SSUM(iim,tppn,1)/apoln
580	tps = SSUM(iim,tpps,1)/apols
581
582	DO ij = 1, iip1
583	ps( ij ) = tpn
584	ps(ij+ip1jm) = tps
585	ENDDO
586	endif ! of if (1 == 0)
587
588	END IF ! of IF(apdiss)
589
590	c ajout debug
591	c IF( lafin ) then
592	c abort_message = 'Simulation finished'
593	c call abort_gcm(modname,abort_message,0)
594	c ENDIF
595
596	c ********************************************************************
597	c ********************************************************************
598	c .... fin de l'integration dynamique et physique pour le pas itau ..
599	c ********************************************************************
600	c ********************************************************************
601
602	c preparation du pas d'integration suivant ......
603
604	IF ( .NOT.purmats ) THEN
605	c ........................................................
606	c .............. schema matsuno + leapfrog ..............
607	c ........................................................
608
609	IF(forward. OR. leapf) THEN
610	itau= itau + 1
611	c iday= day_ini+itau/day_step
612	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
613	c IF(time.GT.1.) THEN
614	c time = time-1.
615	c iday = iday+1
616	c ENDIF
617	ENDIF
618
619
620	IF( itau. EQ. itaufinp1 ) then
621	if (flag_verif) then
622	write(79,*) 'ucov',ucov
623	write(80,*) 'vcov',vcov
624	write(81,*) 'teta',teta
625	write(82,*) 'ps',ps
626	write(83,*) 'q',q
627	WRITE(85,*) 'q1 = ',q(:,:,1)
628	WRITE(86,*) 'q3 = ',q(:,:,3)
629	endif
630
631	abort_message = 'Simulation finished'
632
633	call abort_gcm(modname,abort_message,0)
634	ENDIF
635	c-----------------------------------------------------------------------
636	c ecriture du fichier histoire moyenne:
637	c -------------------------------------
638
639	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
640	IF(itau.EQ.itaufin) THEN
641	iav=1
642	ELSE
643	iav=0
644	ENDIF
645
646	IF (ok_dynzon) THEN
647	#ifdef CPP_IOIPSL
648	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
649	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
650	#endif
651	END IF
652	IF (ok_dyn_ave) THEN
653	#ifdef CPP_IOIPSL
654	CALL writedynav(itau,vcov,
655	& ucov,teta,pk,phi,q,masse,ps,phis)
656	#endif
657	ENDIF
658
659	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
660
661	c-----------------------------------------------------------------------
662	c ecriture de la bande histoire:
663	c ------------------------------
664
665	IF( MOD(itau,iecri).EQ.0) THEN
666	! Ehouarn: output only during LF or Backward Matsuno
667	if (leapf.or.(.not.leapf.and.(.not.forward))) then
668	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
669	unat=0.
670	do l=1,llm
671	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
672	vnat(:,l)=vcov(:,l)/cv(:)
673	enddo
674	#ifdef CPP_IOIPSL
675	if (ok_dyn_ins) then
676	! write(lunout,*) "leapfrog: call writehist, itau=",itau
677	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
678	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
679	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
680	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
681	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
682	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
683	endif ! of if (ok_dyn_ins)
684	#endif
685	! For some Grads outputs of fields
686	if (output_grads_dyn) then
687	#include "write_grads_dyn.h"
688	endif
689	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
690	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
691
692	IF(itau.EQ.itaufin) THEN
693
694
695	! if (planet_type.eq."earth") then
696	! Write an Earth-format restart file
697	CALL dynredem1("restart.nc",start_time,
698	& vcov,ucov,teta,q,masse,ps)
699	! endif ! of if (planet_type.eq."earth")
700
701	CLOSE(99)
702	!!! Ehouarn: Why not stop here and now?
703	ENDIF ! of IF (itau.EQ.itaufin)
704
705	c-----------------------------------------------------------------------
706	c gestion de l'integration temporelle:
707	c ------------------------------------
708
709	IF( MOD(itau,iperiod).EQ.0 ) THEN
710	GO TO 1
711	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
712
713	IF( forward ) THEN
714	c fin du pas forward et debut du pas backward
715
716	forward = .FALSE.
717	leapf = .FALSE.
718	GO TO 2
719
720	ELSE
721	c fin du pas backward et debut du premier pas leapfrog
722
723	leapf = .TRUE.
724	dt = 2.*dtvr
725	GO TO 2
726	END IF ! of IF (forward)
727	ELSE
728
729	c ...... pas leapfrog .....
730
731	leapf = .TRUE.
732	dt = 2.*dtvr
733	GO TO 2
734	END IF ! of IF (MOD(itau,iperiod).EQ.0)
735	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
736
737	ELSE ! of IF (.not.purmats)
738
739	c ........................................................
740	c .............. schema matsuno ...............
741	c ........................................................
742	IF( forward ) THEN
743
744	itau = itau + 1
745	c iday = day_ini+itau/day_step
746	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
747	c
748	c IF(time.GT.1.) THEN
749	c time = time-1.
750	c iday = iday+1
751	c ENDIF
752
753	forward = .FALSE.
754	IF( itau. EQ. itaufinp1 ) then
755	abort_message = 'Simulation finished'
756	call abort_gcm(modname,abort_message,0)
757	ENDIF
758	GO TO 2
759
760	ELSE ! of IF(forward) i.e. backward step
761
762	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
763	IF(itau.EQ.itaufin) THEN
764	iav=1
765	ELSE
766	iav=0
767	ENDIF
768
769	IF (ok_dynzon) THEN
770	#ifdef CPP_IOIPSL
771	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
772	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
773	#endif
774	ENDIF
775	IF (ok_dyn_ave) THEN
776	#ifdef CPP_IOIPSL
777	CALL writedynav(itau,vcov,
778	& ucov,teta,pk,phi,q,masse,ps,phis)
779	#endif
780	ENDIF
781
782	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
783
784	IF(MOD(itau,iecri ).EQ.0) THEN
785	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
786	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
787	unat=0.
788	do l=1,llm
789	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
790	vnat(:,l)=vcov(:,l)/cv(:)
791	enddo
792	#ifdef CPP_IOIPSL
793	if (ok_dyn_ins) then
794	! write(lunout,*) "leapfrog: call writehist (b)",
795	! & itau,iecri
796	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
797	endif ! of if (ok_dyn_ins)
798	#endif
799	! For some Grads outputs
800	if (output_grads_dyn) then
801	#include "write_grads_dyn.h"
802	endif
803
804	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
805
806	IF(itau.EQ.itaufin) THEN
807	! if (planet_type.eq."earth") then
808	CALL dynredem1("restart.nc",start_time,
809	& vcov,ucov,teta,q,masse,ps)
810	! endif ! of if (planet_type.eq."earth")
811	ENDIF ! of IF(itau.EQ.itaufin)
812
813	forward = .TRUE.
814	GO TO 1
815
816	ENDIF ! of IF (forward)
817
818	END IF ! of IF(.not.purmats)
819
820	STOP
821	END

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