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leapfrog.F @ 2278

Last change on this file since 2278 was 2270, checked in by crisi, 9 years ago
Adding isotopes in the dynamics and more generally tracers of tracers. CRisi
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: 27.7 KB

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1	!
2	! $Id: leapfrog.F 2270 2015-05-07 15:45:04Z fhourdin $
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,ok_iso_verif
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	if (ok_iso_verif) then
238	call check_isotopes_seq(q,ip1jmp1,'leapfrog 321')
239	endif !if (ok_iso_verif) then
240
241	#ifdef CPP_IOIPSL
242	if (ok_guide) then
243	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
244	endif
245	#endif
246
247
248	c
249	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
250	c CALL test_period ( ucov,vcov,teta,q,p,phis )
251	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
252	c ENDIF
253	c
254
255	! Save fields obtained at previous time step as '...m1'
256	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
257	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
258	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
259	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
260	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
261
262	forward = .TRUE.
263	leapf = .FALSE.
264	dt = dtvr
265
266	c ... P.Le Van .26/04/94 ....
267	! Ehouarn: finvmaold is actually not used
268	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
269	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
270
271	if (ok_iso_verif) then
272	call check_isotopes_seq(q,ip1jmp1,'leapfrog 400')
273	endif !if (ok_iso_verif) then
274
275	2 CONTINUE ! Matsuno backward or leapfrog step begins here
276
277	c-----------------------------------------------------------------------
278
279	c date:
280	c -----
281
282
283	c gestion des appels de la physique et des dissipations:
284	c ------------------------------------------------------
285	c
286	c ... P.Le Van ( 6/02/95 ) ....
287
288	apphys = .FALSE.
289	statcl = .FALSE.
290	conser = .FALSE.
291	apdiss = .FALSE.
292
293	IF( purmats ) THEN
294	! Purely Matsuno time stepping
295	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
296	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
297	s apdiss = .TRUE.
298	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
299	s .and. physic ) apphys = .TRUE.
300	ELSE
301	! Leapfrog/Matsuno time stepping
302	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
303	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
304	s apdiss = .TRUE.
305	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
306	END IF
307
308	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
309	! supress dissipation step
310	if (llm.eq.1) then
311	apdiss=.false.
312	endif
313
314
315	if (ok_iso_verif) then
316	call check_isotopes_seq(q,ip1jmp1,'leapfrog 589')
317	endif !if (ok_iso_verif) then
318
319	c-----------------------------------------------------------------------
320	c calcul des tendances dynamiques:
321	c --------------------------------
322
323	! compute geopotential phi()
324	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
325
326	time = jD_cur + jH_cur
327	CALL caldyn
328	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
329	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
330
331
332	c-----------------------------------------------------------------------
333	c calcul des tendances advection des traceurs (dont l'humidite)
334	c -------------------------------------------------------------
335
336	if (ok_iso_verif) then
337	call check_isotopes_seq(q,ip1jmp1,
338	& 'leapfrog 686: avant caladvtrac')
339	endif !if (ok_iso_verif) then
340
341	IF( forward. OR . leapf ) THEN
342	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
343	CALL caladvtrac(q,pbaru,pbarv,
344	* p, masse, dq, teta,
345	. flxw, pk)
346
347
348	IF (offline) THEN
349	Cmaf stokage du flux de masse pour traceurs OFF-LINE
350
351	#ifdef CPP_IOIPSL
352	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
353	. dtvr, itau)
354	#endif
355
356
357	ENDIF ! of IF (offline)
358	c
359	ENDIF ! of IF( forward. OR . leapf )
360
361
362	c-----------------------------------------------------------------------
363	c integrations dynamique et traceurs:
364	c ----------------------------------
365
366	if (ok_iso_verif) then
367	write(,) 'leapfrog 720'
368	call check_isotopes_seq(q,ip1jmp1,'leapfrog 756')
369	endif !if (ok_iso_verif) then
370
371	CALL integrd ( nqtot,vcovm1,ucovm1,tetam1,psm1,massem1 ,
372	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
373	! $ finvmaold )
374
375	if (ok_iso_verif) then
376	write(,) 'leapfrog 724'
377	call check_isotopes_seq(q,ip1jmp1,'leapfrog 762')
378	endif !if (ok_iso_verif) then
379
380	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
381	c
382	c-----------------------------------------------------------------------
383	c calcul des tendances physiques:
384	c -------------------------------
385	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
386	c
387	IF( purmats ) THEN
388	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
389	ELSE
390	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
391	ENDIF
392	c
393	c
394	IF( apphys ) THEN
395	c
396	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
397	c
398
399	CALL pression ( ip1jmp1, ap, bp, ps, p )
400	if (pressure_exner) then
401	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
402	else
403	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
404	endif
405
406	! Appel a geopot ajoute le 2014/05/08 pour garantir la convergence numerique
407	! avec dyn3dmem
408	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
409
410	! rdaym_ini = itau * dtvr / daysec
411	! rdayvrai = rdaym_ini + day_ini
412	! jD_cur = jD_ref + day_ini - day_ref
413	! $ + int (itau * dtvr / daysec)
414	! jH_cur = jH_ref + &
415	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
416	jD_cur = jD_ref + day_ini - day_ref + &
417	& itau/day_step
418
419	IF (planet_type .eq."generic") THEN
420	! AS: we make jD_cur to be pday
421	jD_cur = int(day_ini + itau/day_step)
422	ENDIF
423
424	jH_cur = jH_ref + start_time + &
425	& mod(itau,day_step)/float(day_step)
426	jD_cur = jD_cur + int(jH_cur)
427	jH_cur = jH_cur - int(jH_cur)
428	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
429	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
430	! write(lunout,*)'current date = ',an, mois, jour, secondes
431
432	c rajout debug
433	c lafin = .true.
434
435
436	c Inbterface avec les routines de phylmd (phymars ... )
437	c -----------------------------------------------------
438
439	c+jld
440
441	c Diagnostique de conservation de l'énergie : initialisation
442	IF (ip_ebil_dyn.ge.1 ) THEN
443	ztit='bil dyn'
444	! Ehouarn: be careful, diagedyn is Earth-specific (includes ../phylmd/..)!
445	IF (planet_type.eq."earth") THEN
446	#ifdef CPP_EARTH
447	CALL diagedyn(ztit,2,1,1,dtphys
448	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
449	#endif
450	ENDIF
451	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
452	c-jld
453	#ifdef CPP_IOIPSL
454	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
455	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
456	c IF (first) THEN
457	c first=.false.
458	c#include "ini_paramLMDZ_dyn.h"
459	c ENDIF
460	c
461	c#include "write_paramLMDZ_dyn.h"
462	c
463	#endif
464	! #endif of #ifdef CPP_IOIPSL
465	#ifdef CPP_PHYS
466	CALL calfis( lafin , jD_cur, jH_cur,
467	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
468	$ du,dv,dteta,dq,
469	$ flxw,dufi,dvfi,dtetafi,dqfi,dpfi )
470	#endif
471	c ajout des tendances physiques:
472	c ------------------------------
473	CALL addfi( dtphys, leapf, forward ,
474	$ ucov, vcov, teta , q ,ps ,
475	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
476	! since addfi updates ps(), also update p(), masse() and pk()
477	CALL pression (ip1jmp1,ap,bp,ps,p)
478	CALL massdair(p,masse)
479	if (pressure_exner) then
480	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
481	else
482	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
483	endif
484
485	IF (ok_strato) THEN
486	CALL top_bound( vcov,ucov,teta,masse,dtphys)
487	ENDIF
488
489	c
490	c Diagnostique de conservation de l'énergie : difference
491	IF (ip_ebil_dyn.ge.1 ) THEN
492	ztit='bil phys'
493	IF (planet_type.eq."earth") THEN
494	CALL diagedyn(ztit,2,1,1,dtphys
495	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
496	ENDIF
497	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
498
499	ENDIF ! of IF( apphys )
500
501	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
502	! Academic case : Simple friction and Newtonan relaxation
503	! -------------------------------------------------------
504	DO l=1,llm
505	DO ij=1,ip1jmp1
506	teta(ij,l)=teta(ij,l)-dtvr*
507	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
508	ENDDO
509	ENDDO ! of DO l=1,llm
510
511	if (planet_type.eq."giant") then
512	! add an intrinsic heat flux at the base of the atmosphere
513	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
514	endif
515
516	call friction(ucov,vcov,dtvr)
517
518	! Sponge layer (if any)
519	IF (ok_strato) THEN
520	! dufi(:,:)=0.
521	! dvfi(:,:)=0.
522	! dtetafi(:,:)=0.
523	! dqfi(:,:,:)=0.
524	! dpfi(:)=0.
525	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
526	CALL top_bound( vcov,ucov,teta,masse,dtvr)
527	! CALL addfi( dtvr, leapf, forward ,
528	! $ ucov, vcov, teta , q ,ps ,
529	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
530	ENDIF ! of IF (ok_strato)
531	ENDIF ! of IF (iflag_phys.EQ.2)
532
533
534	c-jld
535
536	CALL pression ( ip1jmp1, ap, bp, ps, p )
537	if (pressure_exner) then
538	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
539	else
540	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
541	endif
542	CALL massdair(p,masse)
543
544	if (ok_iso_verif) then
545	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1196')
546	endif !if (ok_iso_verif) then
547
548	c-----------------------------------------------------------------------
549	c dissipation horizontale et verticale des petites echelles:
550	c ----------------------------------------------------------
551
552	IF(apdiss) THEN
553
554
555	c calcul de l'energie cinetique avant dissipation
556	call covcont(llm,ucov,vcov,ucont,vcont)
557	call enercin(vcov,ucov,vcont,ucont,ecin0)
558
559	c dissipation
560	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
561	ucov=ucov+dudis
562	vcov=vcov+dvdis
563	c teta=teta+dtetadis
564
565
566	c------------------------------------------------------------------------
567	if (dissip_conservative) then
568	C On rajoute la tendance due a la transform. Ec -> E therm. cree
569	C lors de la dissipation
570	call covcont(llm,ucov,vcov,ucont,vcont)
571	call enercin(vcov,ucov,vcont,ucont,ecin)
572	dtetaecdt= (ecin0-ecin)/ pk
573	c teta=teta+dtetaecdt
574	dtetadis=dtetadis+dtetaecdt
575	endif
576	teta=teta+dtetadis
577	c------------------------------------------------------------------------
578
579
580	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
581	c ... Calcul de la valeur moyenne, unique de h aux poles .....
582	c
583
584	DO l = 1, llm
585	DO ij = 1,iim
586	tppn(ij) = aire( ij ) * teta( ij ,l)
587	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
588	ENDDO
589	tpn = SSUM(iim,tppn,1)/apoln
590	tps = SSUM(iim,tpps,1)/apols
591
592	DO ij = 1, iip1
593	teta( ij ,l) = tpn
594	teta(ij+ip1jm,l) = tps
595	ENDDO
596	ENDDO
597
598	if (1 == 0) then
599	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
600	!!! 2) should probably not be here anyway
601	!!! but are kept for those who would want to revert to previous behaviour
602	DO ij = 1,iim
603	tppn(ij) = aire( ij ) * ps ( ij )
604	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
605	ENDDO
606	tpn = SSUM(iim,tppn,1)/apoln
607	tps = SSUM(iim,tpps,1)/apols
608
609	DO ij = 1, iip1
610	ps( ij ) = tpn
611	ps(ij+ip1jm) = tps
612	ENDDO
613	endif ! of if (1 == 0)
614
615	END IF ! of IF(apdiss)
616
617	c ajout debug
618	c IF( lafin ) then
619	c abort_message = 'Simulation finished'
620	c call abort_gcm(modname,abort_message,0)
621	c ENDIF
622
623	c ********************************************************************
624	c ********************************************************************
625	c .... fin de l'integration dynamique et physique pour le pas itau ..
626	c ********************************************************************
627	c ********************************************************************
628
629	c preparation du pas d'integration suivant ......
630
631	if (ok_iso_verif) then
632	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1509')
633	endif !if (ok_iso_verif) then
634
635	IF ( .NOT.purmats ) THEN
636	c ........................................................
637	c .............. schema matsuno + leapfrog ..............
638	c ........................................................
639
640	IF(forward. OR. leapf) THEN
641	itau= itau + 1
642	c iday= day_ini+itau/day_step
643	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
644	c IF(time.GT.1.) THEN
645	c time = time-1.
646	c iday = iday+1
647	c ENDIF
648	ENDIF
649
650
651	IF( itau. EQ. itaufinp1 ) then
652	if (flag_verif) then
653	write(79,*) 'ucov',ucov
654	write(80,*) 'vcov',vcov
655	write(81,*) 'teta',teta
656	write(82,*) 'ps',ps
657	write(83,*) 'q',q
658	WRITE(85,*) 'q1 = ',q(:,:,1)
659	WRITE(86,*) 'q3 = ',q(:,:,3)
660	endif
661
662	abort_message = 'Simulation finished'
663
664	call abort_gcm(modname,abort_message,0)
665	ENDIF
666	c-----------------------------------------------------------------------
667	c ecriture du fichier histoire moyenne:
668	c -------------------------------------
669
670	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
671	IF(itau.EQ.itaufin) THEN
672	iav=1
673	ELSE
674	iav=0
675	ENDIF
676
677	IF (ok_dynzon) THEN
678	#ifdef CPP_IOIPSL
679	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
680	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
681	#endif
682	END IF
683	IF (ok_dyn_ave) THEN
684	#ifdef CPP_IOIPSL
685	CALL writedynav(itau,vcov,
686	& ucov,teta,pk,phi,q,masse,ps,phis)
687	#endif
688	ENDIF
689
690	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
691
692	if (ok_iso_verif) then
693	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1584')
694	endif !if (ok_iso_verif) then
695
696	c-----------------------------------------------------------------------
697	c ecriture de la bande histoire:
698	c ------------------------------
699
700	IF( MOD(itau,iecri).EQ.0) THEN
701	! Ehouarn: output only during LF or Backward Matsuno
702	if (leapf.or.(.not.leapf.and.(.not.forward))) then
703	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
704	unat=0.
705	do l=1,llm
706	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
707	vnat(:,l)=vcov(:,l)/cv(:)
708	enddo
709	#ifdef CPP_IOIPSL
710	if (ok_dyn_ins) then
711	! write(lunout,*) "leapfrog: call writehist, itau=",itau
712	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
713	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
714	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
715	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
716	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
717	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
718	endif ! of if (ok_dyn_ins)
719	#endif
720	! For some Grads outputs of fields
721	if (output_grads_dyn) then
722	#include "write_grads_dyn.h"
723	endif
724	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
725	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
726
727	IF(itau.EQ.itaufin) THEN
728
729
730	! if (planet_type.eq."earth") then
731	! Write an Earth-format restart file
732	CALL dynredem1("restart.nc",start_time,
733	& vcov,ucov,teta,q,masse,ps)
734	! endif ! of if (planet_type.eq."earth")
735
736	CLOSE(99)
737	!!! Ehouarn: Why not stop here and now?
738	ENDIF ! of IF (itau.EQ.itaufin)
739
740	c-----------------------------------------------------------------------
741	c gestion de l'integration temporelle:
742	c ------------------------------------
743
744	IF( MOD(itau,iperiod).EQ.0 ) THEN
745	GO TO 1
746	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
747
748	IF( forward ) THEN
749	c fin du pas forward et debut du pas backward
750
751	forward = .FALSE.
752	leapf = .FALSE.
753	GO TO 2
754
755	ELSE
756	c fin du pas backward et debut du premier pas leapfrog
757
758	leapf = .TRUE.
759	dt = 2.*dtvr
760	GO TO 2
761	END IF ! of IF (forward)
762	ELSE
763
764	c ...... pas leapfrog .....
765
766	leapf = .TRUE.
767	dt = 2.*dtvr
768	GO TO 2
769	END IF ! of IF (MOD(itau,iperiod).EQ.0)
770	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
771
772	ELSE ! of IF (.not.purmats)
773
774	if (ok_iso_verif) then
775	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1664')
776	endif !if (ok_iso_verif) then
777
778	c ........................................................
779	c .............. schema matsuno ...............
780	c ........................................................
781	IF( forward ) THEN
782
783	itau = itau + 1
784	c iday = day_ini+itau/day_step
785	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
786	c
787	c IF(time.GT.1.) THEN
788	c time = time-1.
789	c iday = iday+1
790	c ENDIF
791
792	forward = .FALSE.
793	IF( itau. EQ. itaufinp1 ) then
794	abort_message = 'Simulation finished'
795	call abort_gcm(modname,abort_message,0)
796	ENDIF
797	GO TO 2
798
799	ELSE ! of IF(forward) i.e. backward step
800
801	if (ok_iso_verif) then
802	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1698')
803	endif !if (ok_iso_verif) then
804
805	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
806	IF(itau.EQ.itaufin) THEN
807	iav=1
808	ELSE
809	iav=0
810	ENDIF
811
812	IF (ok_dynzon) THEN
813	#ifdef CPP_IOIPSL
814	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
815	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
816	#endif
817	ENDIF
818	IF (ok_dyn_ave) THEN
819	#ifdef CPP_IOIPSL
820	CALL writedynav(itau,vcov,
821	& ucov,teta,pk,phi,q,masse,ps,phis)
822	#endif
823	ENDIF
824
825	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
826
827	IF(MOD(itau,iecri ).EQ.0) THEN
828	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
829	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
830	unat=0.
831	do l=1,llm
832	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
833	vnat(:,l)=vcov(:,l)/cv(:)
834	enddo
835	#ifdef CPP_IOIPSL
836	if (ok_dyn_ins) then
837	! write(lunout,*) "leapfrog: call writehist (b)",
838	! & itau,iecri
839	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
840	endif ! of if (ok_dyn_ins)
841	#endif
842	! For some Grads outputs
843	if (output_grads_dyn) then
844	#include "write_grads_dyn.h"
845	endif
846
847	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
848
849	IF(itau.EQ.itaufin) THEN
850	! if (planet_type.eq."earth") then
851	CALL dynredem1("restart.nc",start_time,
852	& vcov,ucov,teta,q,masse,ps)
853	! endif ! of if (planet_type.eq."earth")
854	ENDIF ! of IF(itau.EQ.itaufin)
855
856	forward = .TRUE.
857	GO TO 1
858
859	ENDIF ! of IF (forward)
860
861	END IF ! of IF(.not.purmats)
862
863	STOP
864	END

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