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leapfrog.F @ 2221

Last change on this file since 2221 was 2221, checked in by Ehouarn Millour, 9 years ago
Some cleanup: remove (unused) clesph0 from dynamics. EM
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: 26.1 KB

Line
1	!
2	! $Id: leapfrog.F 2221 2015-03-09 06:38:03Z emillour $
3	!
4	c
5	c
6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,time_0)
7
8
9	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
10	#ifdef CPP_IOIPSL
11	use IOIPSL
12	#endif
13	USE infotrac, ONLY: nqtot
14	USE guide_mod, ONLY : guide_main
15	USE write_field, ONLY: writefield
16	USE control_mod, ONLY: nday, day_step, planet_type, offline,
17	& iconser, iphysiq, iperiod, dissip_period,
18	& iecri, ip_ebil_dyn, ok_dynzon, ok_dyn_ins,
19	& periodav, ok_dyn_ave, output_grads_dyn
20	use exner_hyb_m, only: exner_hyb
21	use exner_milieu_m, only: exner_milieu
22
23	IMPLICIT NONE
24
25	c ...... Version du 10/01/98 ..........
26
27	c avec coordonnees verticales hybrides
28	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
29
30	c=======================================================================
31	c
32	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
33	c -------
34	c
35	c Objet:
36	c ------
37	c
38	c GCM LMD nouvelle grille
39	c
40	c=======================================================================
41	c
42	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
43	c et possibilite d'appeler une fonction f(y) a derivee tangente
44	c hyperbolique a la place de la fonction a derivee sinusoidale.
45
46	c ... Possibilite de choisir le shema pour l'advection de
47	c q , en modifiant iadv dans traceur.def (10/02) .
48	c
49	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
50	c Pour Van-Leer iadv=10
51	c
52	c-----------------------------------------------------------------------
53	c Declarations:
54	c -------------
55
56	#include "dimensions.h"
57	#include "paramet.h"
58	#include "comconst.h"
59	#include "comdissnew.h"
60	#include "comvert.h"
61	#include "comgeom.h"
62	#include "logic.h"
63	#include "temps.h"
64	#include "ener.h"
65	#include "description.h"
66	#include "serre.h"
67	!#include "com_io_dyn.h"
68	#include "iniprint.h"
69	#include "academic.h"
70
71	REAL,INTENT(IN) :: time_0 ! not used
72
73	c dynamical variables:
74	REAL,INTENT(INOUT) :: ucov(ip1jmp1,llm) ! zonal covariant wind
75	REAL,INTENT(INOUT) :: vcov(ip1jm,llm) ! meridional covariant wind
76	REAL,INTENT(INOUT) :: teta(ip1jmp1,llm) ! potential temperature
77	REAL,INTENT(INOUT) :: ps(ip1jmp1) ! surface pressure (Pa)
78	REAL,INTENT(INOUT) :: masse(ip1jmp1,llm) ! air mass
79	REAL,INTENT(INOUT) :: phis(ip1jmp1) ! geopotentiat at the surface
80	REAL,INTENT(INOUT) :: q(ip1jmp1,llm,nqtot) ! advected tracers
81
82	REAL p (ip1jmp1,llmp1 ) ! interlayer pressure
83	REAL pks(ip1jmp1) ! exner at the surface
84	REAL pk(ip1jmp1,llm) ! exner at mid-layer
85	REAL pkf(ip1jmp1,llm) ! filtered exner at mid-layer
86	REAL phi(ip1jmp1,llm) ! geopotential
87	REAL w(ip1jmp1,llm) ! vertical velocity
88
89	real zqmin,zqmax
90
91	c variables dynamiques intermediaire pour le transport
92	REAL pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
93
94	c variables dynamiques au pas -1
95	REAL vcovm1(ip1jm,llm),ucovm1(ip1jmp1,llm)
96	REAL tetam1(ip1jmp1,llm),psm1(ip1jmp1)
97	REAL massem1(ip1jmp1,llm)
98
99	c tendances dynamiques
100	REAL dv(ip1jm,llm),du(ip1jmp1,llm)
101	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
102
103	c tendances de la dissipation
104	REAL dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
105	REAL dtetadis(ip1jmp1,llm)
106
107	c tendances physiques
108	REAL dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
109	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
110
111	c variables pour le fichier histoire
112	REAL dtav ! intervalle de temps elementaire
113
114	REAL tppn(iim),tpps(iim),tpn,tps
115	c
116	INTEGER itau,itaufinp1,iav
117	! INTEGER iday ! jour julien
118	REAL time
119
120	REAL SSUM
121	! REAL finvmaold(ip1jmp1,llm)
122
123	cym LOGICAL lafin
124	LOGICAL :: lafin=.false.
125	INTEGER ij,iq,l
126	INTEGER ik
127
128	real time_step, t_wrt, t_ops
129
130	! REAL rdayvrai,rdaym_ini
131	! jD_cur: jour julien courant
132	! jH_cur: heure julienne courante
133	REAL :: jD_cur, jH_cur
134	INTEGER :: an, mois, jour
135	REAL :: secondes
136
137	LOGICAL first,callinigrads
138	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
139	save first
140	data first/.true./
141	real dt_cum
142	character*10 infile
143	integer zan, tau0, thoriid
144	integer nid_ctesGCM
145	save nid_ctesGCM
146	real degres
147	real rlong(iip1), rlatg(jjp1)
148	real zx_tmp_2d(iip1,jjp1)
149	integer ndex2d(iip1*jjp1)
150	logical ok_sync
151	parameter (ok_sync = .true.)
152	logical physic
153
154	data callinigrads/.true./
155	character*10 string10
156
157	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
158
159	c+jld variables test conservation energie
160	REAL ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
161	C Tendance de la temp. potentiel d (theta)/ d t due a la
162	C tansformation d'energie cinetique en energie thermique
163	C cree par la dissipation
164	REAL dtetaecdt(ip1jmp1,llm)
165	REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm)
166	REAL vnat(ip1jm,llm),unat(ip1jmp1,llm)
167	REAL d_h_vcol, d_qt, d_qw, d_ql, d_ec
168	CHARACTER*15 ztit
169	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
170	!IM SAVE ip_ebil_dyn
171	!IM DATA ip_ebil_dyn/0/
172	c-jld
173
174	character*80 dynhist_file, dynhistave_file
175	character(len=*),parameter :: modname="leapfrog"
176	character*80 abort_message
177
178	logical dissip_conservative
179	save dissip_conservative
180	data dissip_conservative/.true./
181
182	LOGICAL prem
183	save prem
184	DATA prem/.true./
185	INTEGER testita
186	PARAMETER (testita = 9)
187
188	logical , parameter :: flag_verif = .false.
189
190
191	integer itau_w ! pas de temps ecriture = itap + itau_phy
192
193
194	if (nday>=0) then
195	itaufin = nday*day_step
196	else
197	itaufin = -nday
198	endif
199	itaufinp1 = itaufin +1
200	itau = 0
201	physic=.true.
202	if (iflag_phys==0.or.iflag_phys==2) physic=.false.
203
204	c iday = day_ini+itau/day_step
205	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
206	c IF(time.GT.1.) THEN
207	c time = time-1.
208	c iday = iday+1
209	c ENDIF
210
211
212	c-----------------------------------------------------------------------
213	c On initialise la pression et la fonction d'Exner :
214	c --------------------------------------------------
215
216	dq(:,:,:)=0.
217	CALL pression ( ip1jmp1, ap, bp, ps, p )
218	if (pressure_exner) then
219	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
220	else
221	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
222	endif
223
224	c-----------------------------------------------------------------------
225	c Debut de l'integration temporelle:
226	c ----------------------------------
227
228	1 CONTINUE ! Matsuno Forward step begins here
229
230	jD_cur = jD_ref + day_ini - day_ref + &
231	& itau/day_step
232	jH_cur = jH_ref + start_time + &
233	& mod(itau,day_step)/float(day_step)
234	jD_cur = jD_cur + int(jH_cur)
235	jH_cur = jH_cur - int(jH_cur)
236
237
238	#ifdef CPP_IOIPSL
239	if (ok_guide) then
240	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
241	endif
242	#endif
243
244
245	c
246	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
247	c CALL test_period ( ucov,vcov,teta,q,p,phis )
248	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
249	c ENDIF
250	c
251
252	! Save fields obtained at previous time step as '...m1'
253	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
254	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
255	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
256	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
257	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
258
259	forward = .TRUE.
260	leapf = .FALSE.
261	dt = dtvr
262
263	c ... P.Le Van .26/04/94 ....
264	! Ehouarn: finvmaold is actually not used
265	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
266	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
267
268	2 CONTINUE ! Matsuno backward or leapfrog step begins here
269
270	c-----------------------------------------------------------------------
271
272	c date:
273	c -----
274
275
276	c gestion des appels de la physique et des dissipations:
277	c ------------------------------------------------------
278	c
279	c ... P.Le Van ( 6/02/95 ) ....
280
281	apphys = .FALSE.
282	statcl = .FALSE.
283	conser = .FALSE.
284	apdiss = .FALSE.
285
286	IF( purmats ) THEN
287	! Purely Matsuno time stepping
288	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
289	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
290	s apdiss = .TRUE.
291	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
292	s .and. physic ) apphys = .TRUE.
293	ELSE
294	! Leapfrog/Matsuno time stepping
295	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
296	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
297	s apdiss = .TRUE.
298	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
299	END IF
300
301	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
302	! supress dissipation step
303	if (llm.eq.1) then
304	apdiss=.false.
305	endif
306
307	c-----------------------------------------------------------------------
308	c calcul des tendances dynamiques:
309	c --------------------------------
310
311	! compute geopotential phi()
312	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
313
314	time = jD_cur + jH_cur
315	CALL caldyn
316	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
317	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
318
319
320	c-----------------------------------------------------------------------
321	c calcul des tendances advection des traceurs (dont l'humidite)
322	c -------------------------------------------------------------
323
324	IF( forward. OR . leapf ) THEN
325	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
326	CALL caladvtrac(q,pbaru,pbarv,
327	* p, masse, dq, teta,
328	. flxw, pk)
329
330	IF (offline) THEN
331	Cmaf stokage du flux de masse pour traceurs OFF-LINE
332
333	#ifdef CPP_IOIPSL
334	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
335	. dtvr, itau)
336	#endif
337
338
339	ENDIF ! of IF (offline)
340	c
341	ENDIF ! of IF( forward. OR . leapf )
342
343
344	c-----------------------------------------------------------------------
345	c integrations dynamique et traceurs:
346	c ----------------------------------
347
348
349	CALL integrd ( 2,vcovm1,ucovm1,tetam1,psm1,massem1 ,
350	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
351	! $ finvmaold )
352
353
354	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
355	c
356	c-----------------------------------------------------------------------
357	c calcul des tendances physiques:
358	c -------------------------------
359	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
360	c
361	IF( purmats ) THEN
362	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
363	ELSE
364	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
365	ENDIF
366	c
367	c
368	IF( apphys ) THEN
369	c
370	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
371	c
372
373	CALL pression ( ip1jmp1, ap, bp, ps, p )
374	if (pressure_exner) then
375	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
376	else
377	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
378	endif
379
380	! Appel a geopot ajoute le 2014/05/08 pour garantir la convergence numerique
381	! avec dyn3dmem
382	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
383
384	! rdaym_ini = itau * dtvr / daysec
385	! rdayvrai = rdaym_ini + day_ini
386	! jD_cur = jD_ref + day_ini - day_ref
387	! $ + int (itau * dtvr / daysec)
388	! jH_cur = jH_ref + &
389	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
390	jD_cur = jD_ref + day_ini - day_ref + &
391	& itau/day_step
392
393	IF (planet_type .eq."generic") THEN
394	! AS: we make jD_cur to be pday
395	jD_cur = int(day_ini + itau/day_step)
396	ENDIF
397
398	jH_cur = jH_ref + start_time + &
399	& mod(itau,day_step)/float(day_step)
400	jD_cur = jD_cur + int(jH_cur)
401	jH_cur = jH_cur - int(jH_cur)
402	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
403	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
404	! write(lunout,*)'current date = ',an, mois, jour, secondes
405
406	c rajout debug
407	c lafin = .true.
408
409
410	c Inbterface avec les routines de phylmd (phymars ... )
411	c -----------------------------------------------------
412
413	c+jld
414
415	c Diagnostique de conservation de l'énergie : initialisation
416	IF (ip_ebil_dyn.ge.1 ) THEN
417	ztit='bil dyn'
418	! Ehouarn: be careful, diagedyn is Earth-specific (includes ../phylmd/..)!
419	IF (planet_type.eq."earth") THEN
420	#ifdef CPP_EARTH
421	CALL diagedyn(ztit,2,1,1,dtphys
422	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
423	#endif
424	ENDIF
425	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
426	c-jld
427	#ifdef CPP_IOIPSL
428	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
429	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
430	c IF (first) THEN
431	c first=.false.
432	c#include "ini_paramLMDZ_dyn.h"
433	c ENDIF
434	c
435	c#include "write_paramLMDZ_dyn.h"
436	c
437	#endif
438	! #endif of #ifdef CPP_IOIPSL
439	CALL calfis( lafin , jD_cur, jH_cur,
440	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
441	$ du,dv,dteta,dq,
442	$ flxw,dufi,dvfi,dtetafi,dqfi,dpfi )
443
444	c ajout des tendances physiques:
445	c ------------------------------
446	CALL addfi( dtphys, leapf, forward ,
447	$ ucov, vcov, teta , q ,ps ,
448	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
449	! since addfi updates ps(), also update p(), masse() and pk()
450	CALL pression (ip1jmp1,ap,bp,ps,p)
451	CALL massdair(p,masse)
452	if (pressure_exner) then
453	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
454	else
455	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
456	endif
457
458	IF (ok_strato) THEN
459	CALL top_bound( vcov,ucov,teta,masse,dtphys)
460	ENDIF
461
462	c
463	c Diagnostique de conservation de l'énergie : difference
464	IF (ip_ebil_dyn.ge.1 ) THEN
465	ztit='bil phys'
466	IF (planet_type.eq."earth") THEN
467	CALL diagedyn(ztit,2,1,1,dtphys
468	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
469	ENDIF
470	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
471
472	ENDIF ! of IF( apphys )
473
474	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
475	! Academic case : Simple friction and Newtonan relaxation
476	! -------------------------------------------------------
477	DO l=1,llm
478	DO ij=1,ip1jmp1
479	teta(ij,l)=teta(ij,l)-dtvr*
480	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
481	ENDDO
482	ENDDO ! of DO l=1,llm
483
484	if (planet_type.eq."giant") then
485	! add an intrinsic heat flux at the base of the atmosphere
486	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
487	endif
488
489	call friction(ucov,vcov,dtvr)
490
491	! Sponge layer (if any)
492	IF (ok_strato) THEN
493	! dufi(:,:)=0.
494	! dvfi(:,:)=0.
495	! dtetafi(:,:)=0.
496	! dqfi(:,:,:)=0.
497	! dpfi(:)=0.
498	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
499	CALL top_bound( vcov,ucov,teta,masse,dtvr)
500	! CALL addfi( dtvr, leapf, forward ,
501	! $ ucov, vcov, teta , q ,ps ,
502	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
503	ENDIF ! of IF (ok_strato)
504	ENDIF ! of IF (iflag_phys.EQ.2)
505
506
507	c-jld
508
509	CALL pression ( ip1jmp1, ap, bp, ps, p )
510	if (pressure_exner) then
511	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
512	else
513	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
514	endif
515	CALL massdair(p,masse)
516
517
518	c-----------------------------------------------------------------------
519	c dissipation horizontale et verticale des petites echelles:
520	c ----------------------------------------------------------
521
522	IF(apdiss) THEN
523
524
525	c calcul de l'energie cinetique avant dissipation
526	call covcont(llm,ucov,vcov,ucont,vcont)
527	call enercin(vcov,ucov,vcont,ucont,ecin0)
528
529	c dissipation
530	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
531	ucov=ucov+dudis
532	vcov=vcov+dvdis
533	c teta=teta+dtetadis
534
535
536	c------------------------------------------------------------------------
537	if (dissip_conservative) then
538	C On rajoute la tendance due a la transform. Ec -> E therm. cree
539	C lors de la dissipation
540	call covcont(llm,ucov,vcov,ucont,vcont)
541	call enercin(vcov,ucov,vcont,ucont,ecin)
542	dtetaecdt= (ecin0-ecin)/ pk
543	c teta=teta+dtetaecdt
544	dtetadis=dtetadis+dtetaecdt
545	endif
546	teta=teta+dtetadis
547	c------------------------------------------------------------------------
548
549
550	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
551	c ... Calcul de la valeur moyenne, unique de h aux poles .....
552	c
553
554	DO l = 1, llm
555	DO ij = 1,iim
556	tppn(ij) = aire( ij ) * teta( ij ,l)
557	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
558	ENDDO
559	tpn = SSUM(iim,tppn,1)/apoln
560	tps = SSUM(iim,tpps,1)/apols
561
562	DO ij = 1, iip1
563	teta( ij ,l) = tpn
564	teta(ij+ip1jm,l) = tps
565	ENDDO
566	ENDDO
567
568	if (1 == 0) then
569	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
570	!!! 2) should probably not be here anyway
571	!!! but are kept for those who would want to revert to previous behaviour
572	DO ij = 1,iim
573	tppn(ij) = aire( ij ) * ps ( ij )
574	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
575	ENDDO
576	tpn = SSUM(iim,tppn,1)/apoln
577	tps = SSUM(iim,tpps,1)/apols
578
579	DO ij = 1, iip1
580	ps( ij ) = tpn
581	ps(ij+ip1jm) = tps
582	ENDDO
583	endif ! of if (1 == 0)
584
585	END IF ! of IF(apdiss)
586
587	c ajout debug
588	c IF( lafin ) then
589	c abort_message = 'Simulation finished'
590	c call abort_gcm(modname,abort_message,0)
591	c ENDIF
592
593	c ********************************************************************
594	c ********************************************************************
595	c .... fin de l'integration dynamique et physique pour le pas itau ..
596	c ********************************************************************
597	c ********************************************************************
598
599	c preparation du pas d'integration suivant ......
600
601	IF ( .NOT.purmats ) THEN
602	c ........................................................
603	c .............. schema matsuno + leapfrog ..............
604	c ........................................................
605
606	IF(forward. OR. leapf) THEN
607	itau= itau + 1
608	c iday= day_ini+itau/day_step
609	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
610	c IF(time.GT.1.) THEN
611	c time = time-1.
612	c iday = iday+1
613	c ENDIF
614	ENDIF
615
616
617	IF( itau. EQ. itaufinp1 ) then
618	if (flag_verif) then
619	write(79,*) 'ucov',ucov
620	write(80,*) 'vcov',vcov
621	write(81,*) 'teta',teta
622	write(82,*) 'ps',ps
623	write(83,*) 'q',q
624	WRITE(85,*) 'q1 = ',q(:,:,1)
625	WRITE(86,*) 'q3 = ',q(:,:,3)
626	endif
627
628	abort_message = 'Simulation finished'
629
630	call abort_gcm(modname,abort_message,0)
631	ENDIF
632	c-----------------------------------------------------------------------
633	c ecriture du fichier histoire moyenne:
634	c -------------------------------------
635
636	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
637	IF(itau.EQ.itaufin) THEN
638	iav=1
639	ELSE
640	iav=0
641	ENDIF
642
643	IF (ok_dynzon) THEN
644	#ifdef CPP_IOIPSL
645	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
646	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
647	#endif
648	END IF
649	IF (ok_dyn_ave) THEN
650	#ifdef CPP_IOIPSL
651	CALL writedynav(itau,vcov,
652	& ucov,teta,pk,phi,q,masse,ps,phis)
653	#endif
654	ENDIF
655
656	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
657
658	c-----------------------------------------------------------------------
659	c ecriture de la bande histoire:
660	c ------------------------------
661
662	IF( MOD(itau,iecri).EQ.0) THEN
663	! Ehouarn: output only during LF or Backward Matsuno
664	if (leapf.or.(.not.leapf.and.(.not.forward))) then
665	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
666	unat=0.
667	do l=1,llm
668	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
669	vnat(:,l)=vcov(:,l)/cv(:)
670	enddo
671	#ifdef CPP_IOIPSL
672	if (ok_dyn_ins) then
673	! write(lunout,*) "leapfrog: call writehist, itau=",itau
674	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
675	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
676	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
677	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
678	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
679	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
680	endif ! of if (ok_dyn_ins)
681	#endif
682	! For some Grads outputs of fields
683	if (output_grads_dyn) then
684	#include "write_grads_dyn.h"
685	endif
686	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
687	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
688
689	IF(itau.EQ.itaufin) THEN
690
691
692	! if (planet_type.eq."earth") then
693	! Write an Earth-format restart file
694	CALL dynredem1("restart.nc",start_time,
695	& vcov,ucov,teta,q,masse,ps)
696	! endif ! of if (planet_type.eq."earth")
697
698	CLOSE(99)
699	!!! Ehouarn: Why not stop here and now?
700	ENDIF ! of IF (itau.EQ.itaufin)
701
702	c-----------------------------------------------------------------------
703	c gestion de l'integration temporelle:
704	c ------------------------------------
705
706	IF( MOD(itau,iperiod).EQ.0 ) THEN
707	GO TO 1
708	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
709
710	IF( forward ) THEN
711	c fin du pas forward et debut du pas backward
712
713	forward = .FALSE.
714	leapf = .FALSE.
715	GO TO 2
716
717	ELSE
718	c fin du pas backward et debut du premier pas leapfrog
719
720	leapf = .TRUE.
721	dt = 2.*dtvr
722	GO TO 2
723	END IF ! of IF (forward)
724	ELSE
725
726	c ...... pas leapfrog .....
727
728	leapf = .TRUE.
729	dt = 2.*dtvr
730	GO TO 2
731	END IF ! of IF (MOD(itau,iperiod).EQ.0)
732	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
733
734	ELSE ! of IF (.not.purmats)
735
736	c ........................................................
737	c .............. schema matsuno ...............
738	c ........................................................
739	IF( forward ) THEN
740
741	itau = itau + 1
742	c iday = day_ini+itau/day_step
743	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
744	c
745	c IF(time.GT.1.) THEN
746	c time = time-1.
747	c iday = iday+1
748	c ENDIF
749
750	forward = .FALSE.
751	IF( itau. EQ. itaufinp1 ) then
752	abort_message = 'Simulation finished'
753	call abort_gcm(modname,abort_message,0)
754	ENDIF
755	GO TO 2
756
757	ELSE ! of IF(forward) i.e. backward step
758
759	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
760	IF(itau.EQ.itaufin) THEN
761	iav=1
762	ELSE
763	iav=0
764	ENDIF
765
766	IF (ok_dynzon) THEN
767	#ifdef CPP_IOIPSL
768	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
769	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
770	#endif
771	ENDIF
772	IF (ok_dyn_ave) THEN
773	#ifdef CPP_IOIPSL
774	CALL writedynav(itau,vcov,
775	& ucov,teta,pk,phi,q,masse,ps,phis)
776	#endif
777	ENDIF
778
779	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
780
781	IF(MOD(itau,iecri ).EQ.0) THEN
782	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
783	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
784	unat=0.
785	do l=1,llm
786	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
787	vnat(:,l)=vcov(:,l)/cv(:)
788	enddo
789	#ifdef CPP_IOIPSL
790	if (ok_dyn_ins) then
791	! write(lunout,*) "leapfrog: call writehist (b)",
792	! & itau,iecri
793	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
794	endif ! of if (ok_dyn_ins)
795	#endif
796	! For some Grads outputs
797	if (output_grads_dyn) then
798	#include "write_grads_dyn.h"
799	endif
800
801	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
802
803	IF(itau.EQ.itaufin) THEN
804	! if (planet_type.eq."earth") then
805	CALL dynredem1("restart.nc",start_time,
806	& vcov,ucov,teta,q,masse,ps)
807	! endif ! of if (planet_type.eq."earth")
808	ENDIF ! of IF(itau.EQ.itaufin)
809
810	forward = .TRUE.
811	GO TO 1
812
813	ENDIF ! of IF (forward)
814
815	END IF ! of IF(.not.purmats)
816
817	STOP
818	END

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