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leapfrog.F90 @ 5267

Last change on this file since 5267 was 5267, checked in by abarral, 2 days ago
Remove CPP_IOIPSL cpp keys uses
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: 26.4 KB

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1	!
2	! $Id: leapfrog.F90 5267 2024-10-23 15:34:46Z abarral $
3	!
4	!
5	!
6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,time_0)
7
8
9	!IM : pour sortir les param. du modele dans un fis. netcdf 110106
10	use IOIPSL
11	USE infotrac, ONLY: nqtot, isoCheck
12	USE guide_mod, ONLY : guide_main
13	USE write_field, ONLY: writefield
14	USE control_mod, ONLY: nday, day_step, planet_type, offline, &
15	iconser, iphysiq, iperiod, dissip_period, &
16	iecri, ip_ebil_dyn, ok_dynzon, ok_dyn_ins, &
17	periodav, ok_dyn_ave, output_grads_dyn
18	use exner_hyb_m, only: exner_hyb
19	use exner_milieu_m, only: exner_milieu
20	USE comvert_mod, ONLY: ap,bp,pressure_exner,presnivs
21	USE comconst_mod, ONLY: cpp, dtphys, dtvr, pi, ihf
22	USE logic_mod, ONLY: iflag_phys,ok_guide,forward,leapf,apphys, &
23	statcl,conser,apdiss,purmats,ok_strato
24	USE temps_mod, ONLY: jD_ref,jH_ref,itaufin,day_ini,day_ref, &
25	start_time,dt
26	USE strings_mod, ONLY: msg
27	USE lmdz_cppkeys_wrapper, ONLY: CPPKEY_PHYS
28
29	IMPLICIT NONE
30
31	! ...... Version du 10/01/98 ..........
32
33	! avec coordonnees verticales hybrides
34	! avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
35
36	!=======================================================================
37	!
38	! Auteur: P. Le Van /L. Fairhead/F.Hourdin
39	! -------
40	!
41	! Objet:
42	! ------
43	!
44	! GCM LMD nouvelle grille
45	!
46	!=======================================================================
47	!
48	! ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
49	! et possibilite d'appeler une fonction f(y) a derivee tangente
50	! hyperbolique a la place de la fonction a derivee sinusoidale.
51
52	! ... Possibilite de choisir le shema pour l'advection de
53	! q , en modifiant iadv dans traceur.def (10/02) .
54	!
55	! Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
56	! Pour Van-Leer iadv=10
57	!
58	!-----------------------------------------------------------------------
59	! Declarations:
60	! -------------
61
62	include "dimensions.h"
63	include "paramet.h"
64	include "comdissnew.h"
65	include "comgeom.h"
66	include "description.h"
67	include "iniprint.h"
68	include "academic.h"
69
70	REAL,INTENT(IN) :: time_0 ! not used
71
72	! dynamical variables:
73	REAL,INTENT(INOUT) :: ucov(ip1jmp1,llm) ! zonal covariant wind
74	REAL,INTENT(INOUT) :: vcov(ip1jm,llm) ! meridional covariant wind
75	REAL,INTENT(INOUT) :: teta(ip1jmp1,llm) ! potential temperature
76	REAL,INTENT(INOUT) :: ps(ip1jmp1) ! surface pressure (Pa)
77	REAL,INTENT(INOUT) :: masse(ip1jmp1,llm) ! air mass
78	REAL,INTENT(INOUT) :: phis(ip1jmp1) ! geopotentiat at the surface
79	REAL,INTENT(INOUT) :: q(ip1jmp1,llm,nqtot) ! advected tracers
80
81	REAL :: p (ip1jmp1,llmp1 ) ! interlayer pressure
82	REAL :: pks(ip1jmp1) ! exner at the surface
83	REAL :: pk(ip1jmp1,llm) ! exner at mid-layer
84	REAL :: pkf(ip1jmp1,llm) ! filtered exner at mid-layer
85	REAL :: phi(ip1jmp1,llm) ! geopotential
86	REAL :: w(ip1jmp1,llm) ! vertical velocity
87
88	real :: zqmin,zqmax
89
90	! variables dynamiques intermediaire pour le transport
91	REAL :: pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
92
93	! 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	! tendances dynamiques
99	REAL :: dv(ip1jm,llm),du(ip1jmp1,llm)
100	REAL :: dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
101
102	! tendances de la dissipation
103	REAL :: dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
104	REAL :: dtetadis(ip1jmp1,llm)
105
106	! tendances physiques
107	REAL :: dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
108	REAL :: dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
109
110	! variables pour le fichier histoire
111	REAL :: dtav ! intervalle de temps elementaire
112
113	REAL :: tppn(iim),tpps(iim),tpn,tps
114	!
115	INTEGER :: itau,itaufinp1,iav
116	! INTEGER iday ! jour julien
117	REAL :: time
118
119	REAL :: SSUM
120	! REAL finvmaold(ip1jmp1,llm)
121
122	!ym LOGICAL lafin
123	LOGICAL :: lafin=.false.
124	INTEGER :: ij,iq,l
125	INTEGER :: ik
126
127	real :: time_step, t_wrt, t_ops
128
129	! REAL rdayvrai,rdaym_ini
130	! jD_cur: jour julien courant
131	! jH_cur: heure julienne courante
132	REAL :: jD_cur, jH_cur
133	INTEGER :: an, mois, jour
134	REAL :: secondes
135
136	LOGICAL :: first,callinigrads
137	!IM : pour sortir les param. du modele dans un fis. netcdf 110106
138	save first
139	data first/.true./
140	real :: dt_cum
141	character(len=10) :: infile
142	integer :: zan, tau0, thoriid
143	integer :: nid_ctesGCM
144	save nid_ctesGCM
145	real :: degres
146	real :: rlong(iip1), rlatg(jjp1)
147	real :: zx_tmp_2d(iip1,jjp1)
148	integer :: ndex2d(iip1*jjp1)
149	logical :: ok_sync
150	parameter (ok_sync = .true.)
151	logical :: physic
152
153	data callinigrads/.true./
154	character(len=10) :: string10
155
156	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
157
158	!+jld variables test conservation energie
159	REAL :: ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
160	! Tendance de la temp. potentiel d (theta)/ d t due a la
161	! tansformation d'energie cinetique en energie thermique
162	! cree par la dissipation
163	REAL :: dtetaecdt(ip1jmp1,llm)
164	REAL :: vcont(ip1jm,llm),ucont(ip1jmp1,llm)
165	REAL :: vnat(ip1jm,llm),unat(ip1jmp1,llm)
166	REAL :: d_h_vcol, d_qt, d_qw, d_ql, d_ec
167	CHARACTER(len=15) :: ztit
168	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
169	!IM SAVE ip_ebil_dyn
170	!IM DATA ip_ebil_dyn/0/
171	!-jld
172
173	character(len=80) :: dynhist_file, dynhistave_file
174	character(len=*),parameter :: modname="leapfrog"
175	character(len=80) :: abort_message
176
177	logical :: dissip_conservative
178	save dissip_conservative
179	data dissip_conservative/.true./
180
181	LOGICAL :: prem
182	save prem
183	DATA prem/.true./
184	INTEGER :: testita
185	PARAMETER (testita = 9)
186
187	logical , parameter :: flag_verif = .false.
188
189
190	integer :: itau_w ! pas de temps ecriture = itap + itau_phy
191
192
193	if (nday>=0) then
194	itaufin = nday*day_step
195	else
196	itaufin = -nday
197	endif
198	itaufinp1 = itaufin +1
199	itau = 0
200	physic=.true.
201	if (iflag_phys==0.or.iflag_phys==2) physic=.false.
202
203	! iday = day_ini+itau/day_step
204	! time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
205	! IF(time.GT.1.) THEN
206	! time = time-1.
207	! iday = iday+1
208	! ENDIF
209
210
211	!-----------------------------------------------------------------------
212	! On initialise la pression et la fonction d'Exner :
213	! --------------------------------------------------
214
215	dq(:,:,:)=0.
216	CALL pression ( ip1jmp1, ap, bp, ps, p )
217	if (pressure_exner) then
218	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
219	else
220	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
221	endif
222
223	!-----------------------------------------------------------------------
224	! Debut de l'integration temporelle:
225	! ----------------------------------
226
227	1 CONTINUE ! Matsuno Forward step begins here
228
229	! date: (NB: date remains unchanged for Backward step)
230	! -----
231
232	jD_cur = jD_ref + day_ini - day_ref + &
233	(itau+1)/day_step
234	jH_cur = jH_ref + start_time + &
235	mod(itau+1,day_step)/float(day_step)
236	jD_cur = jD_cur + int(jH_cur)
237	jH_cur = jH_cur - int(jH_cur)
238
239	call check_isotopes_seq(q,ip1jmp1,'leapfrog 321')
240
241	if (ok_guide) then
242	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
243	endif
244
245
246
247	!
248	! IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
249	! CALL test_period ( ucov,vcov,teta,q,p,phis )
250	! PRINT *,' ---- Test_period apres continue OK ! -----', itau
251	! ENDIF
252	!
253
254	! Save fields obtained at previous time step as '...m1'
255	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
256	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
257	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
258	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
259	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
260
261	forward = .TRUE.
262	leapf = .FALSE.
263	dt = dtvr
264
265	! ... P.Le Van .26/04/94 ....
266	! Ehouarn: finvmaold is actually not used
267	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
268	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
269
270	call check_isotopes_seq(q,ip1jmp1,'leapfrog 400')
271
272	2 CONTINUE ! Matsuno backward or leapfrog step begins here
273
274	!-----------------------------------------------------------------------
275
276	! date: (NB: only leapfrog step requires recomputing date)
277	! -----
278
279	IF (leapf) THEN
280	jD_cur = jD_ref + day_ini - day_ref + &
281	(itau+1)/day_step
282	jH_cur = jH_ref + start_time + &
283	mod(itau+1,day_step)/float(day_step)
284	jD_cur = jD_cur + int(jH_cur)
285	jH_cur = jH_cur - int(jH_cur)
286	ENDIF
287
288
289	! gestion des appels de la physique et des dissipations:
290	! ------------------------------------------------------
291	!
292	! ... P.Le Van ( 6/02/95 ) ....
293
294	apphys = .FALSE.
295	statcl = .FALSE.
296	conser = .FALSE.
297	apdiss = .FALSE.
298
299	IF( purmats ) THEN
300	! ! Purely Matsuno time stepping
301	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
302	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward ) &
303	apdiss = .TRUE.
304	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward &
305	.and. physic ) apphys = .TRUE.
306	ELSE
307	! ! Leapfrog/Matsuno time stepping
308	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
309	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward ) &
310	apdiss = .TRUE.
311	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
312	END IF
313
314	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
315	! supress dissipation step
316	if (llm.eq.1) then
317	apdiss=.false.
318	endif
319
320
321	call check_isotopes_seq(q,ip1jmp1,'leapfrog 589')
322
323	!-----------------------------------------------------------------------
324	! calcul des tendances dynamiques:
325	! --------------------------------
326
327	! ! compute geopotential phi()
328	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
329
330	time = jD_cur + jH_cur
331	CALL caldyn &
332	( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis , &
333	phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
334
335
336	!-----------------------------------------------------------------------
337	! calcul des tendances advection des traceurs (dont l'humidite)
338	! -------------------------------------------------------------
339
340	call check_isotopes_seq(q,ip1jmp1, &
341	'leapfrog 686: avant caladvtrac')
342
343	IF( forward.OR. leapf ) THEN
344	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
345	CALL caladvtrac(q,pbaru,pbarv, &
346	p, masse, dq, teta, &
347	flxw, pk)
348	! !write(,) 'caladvtrac 346'
349
350
351	IF (offline) THEN
352	!maf stokage du flux de masse pour traceurs OFF-LINE
353
354	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis, &
355	dtvr, itau)
356
357
358
359	ENDIF ! of IF (offline)
360	!
361	ENDIF ! of IF( forward.OR. leapf )
362
363
364	!-----------------------------------------------------------------------
365	! integrations dynamique et traceurs:
366	! ----------------------------------
367
368	CALL msg('720', modname, isoCheck)
369	call check_isotopes_seq(q,ip1jmp1,'leapfrog 756')
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	CALL msg('724', modname, isoCheck)
376	call check_isotopes_seq(q,ip1jmp1,'leapfrog 762')
377
378	! .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
379	!
380	!-----------------------------------------------------------------------
381	! calcul des tendances physiques:
382	! -------------------------------
383	! ######## P.Le Van ( Modif le 6/02/95 ) ###########
384	!
385	IF( purmats ) THEN
386	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
387	ELSE
388	IF( itau+1.EQ. itaufin ) lafin = .TRUE.
389	ENDIF
390	!
391	!
392	IF( apphys ) THEN
393	!
394	! ....... Ajout P.Le Van ( 17/04/96 ) ...........
395	!
396
397	CALL pression ( ip1jmp1, ap, bp, ps, p )
398	if (pressure_exner) then
399	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
400	else
401	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
402	endif
403
404	! Appel a geopot ajoute le 2014/05/08 pour garantir la convergence numerique
405	! avec dyn3dmem
406	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
407
408	! rdaym_ini = itau * dtvr / daysec
409	! rdayvrai = rdaym_ini + day_ini
410	! jD_cur = jD_ref + day_ini - day_ref
411	! $ + int (itau * dtvr / daysec)
412	! jH_cur = jH_ref + &
413	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
414	jD_cur = jD_ref + day_ini - day_ref + &
415	(itau+1)/day_step
416
417	IF (planet_type .eq."generic") THEN
418	! ! AS: we make jD_cur to be pday
419	jD_cur = int(day_ini + itau/day_step)
420	ENDIF
421
422	jH_cur = jH_ref + start_time + &
423	mod(itau+1,day_step)/float(day_step)
424	jD_cur = jD_cur + int(jH_cur)
425	jH_cur = jH_cur - int(jH_cur)
426	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
427	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
428	! write(lunout,*)'current date = ',an, mois, jour, secondes
429
430	! rajout debug
431	! lafin = .true.
432
433
434	! Inbterface avec les routines de phylmd (phymars ... )
435	! -----------------------------------------------------
436
437	!+jld
438
439	! Diagnostique de conservation de l'energie : initialisation
440	IF (ip_ebil_dyn.ge.1 ) THEN
441	ztit='bil dyn'
442	! Ehouarn: be careful, diagedyn is Earth-specific!
443	IF (planet_type.eq."earth") THEN
444	CALL diagedyn(ztit,2,1,1,dtphys &
445	, ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
446	ENDIF
447	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
448	!-jld
449
450	!IM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
451	!IM uncomment next 6 lines to get some parameters for LMDZ dynamics
452	! IF (first) THEN
453	! first=.false.
454	!#include "ini_paramLMDZ_dyn.h"
455	! ENDIF
456	!
457	!#include "write_paramLMDZ_dyn.h"
458
459	IF (CPPKEY_PHYS) THEN
460	CALL calfis( lafin , jD_cur, jH_cur, &
461	ucov,vcov,teta,q,masse,ps,p,pk,phis,phi , &
462	du,dv,dteta,dq, &
463	flxw,dufi,dvfi,dtetafi,dqfi,dpfi )
464	END IF
465	! ajout des tendances physiques:
466	! ------------------------------
467	CALL addfi( dtphys, leapf, forward , &
468	ucov, vcov, teta , q ,ps , &
469	dufi, dvfi, dtetafi , dqfi ,dpfi )
470	! ! since addfi updates ps(), also update p(), masse() and pk()
471	CALL pression (ip1jmp1,ap,bp,ps,p)
472	CALL massdair(p,masse)
473	if (pressure_exner) then
474	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
475	else
476	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
477	endif
478
479	IF (ok_strato) THEN
480	CALL top_bound( vcov,ucov,teta,masse,dtphys)
481	ENDIF
482
483	!
484	! Diagnostique de conservation de l'energie : difference
485	IF (ip_ebil_dyn.ge.1 ) THEN
486	ztit='bil phys'
487	IF (planet_type.eq."earth") THEN
488	CALL diagedyn(ztit,2,1,1,dtphys &
489	, ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
490	ENDIF
491	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
492
493	ENDIF ! of IF( apphys )
494
495	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
496	! Academic case : Simple friction and Newtonan relaxation
497	! -------------------------------------------------------
498	DO l=1,llm
499	DO ij=1,ip1jmp1
500	teta(ij,l)=teta(ij,l)-dtvr* &
501	(teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
502	ENDDO
503	ENDDO ! of DO l=1,llm
504
505	if (planet_type.eq."giant") then
506	! ! add an intrinsic heat flux at the base of the atmosphere
507	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
508	endif
509
510	call friction(ucov,vcov,dtvr)
511
512	! ! Sponge layer (if any)
513	IF (ok_strato) THEN
514	! dufi(:,:)=0.
515	! dvfi(:,:)=0.
516	! dtetafi(:,:)=0.
517	! dqfi(:,:,:)=0.
518	! dpfi(:)=0.
519	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
520	CALL top_bound( vcov,ucov,teta,masse,dtvr)
521	! CALL addfi( dtvr, leapf, forward ,
522	! $ ucov, vcov, teta , q ,ps ,
523	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
524	ENDIF ! of IF (ok_strato)
525	ENDIF ! of IF (iflag_phys.EQ.2)
526
527
528	!-jld
529
530	CALL pression ( ip1jmp1, ap, bp, ps, p )
531	if (pressure_exner) then
532	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
533	else
534	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
535	endif
536	CALL massdair(p,masse)
537
538	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1196')
539
540	!-----------------------------------------------------------------------
541	! dissipation horizontale et verticale des petites echelles:
542	! ----------------------------------------------------------
543
544	IF(apdiss) THEN
545
546
547	! calcul de l'energie cinetique avant dissipation
548	call covcont(llm,ucov,vcov,ucont,vcont)
549	call enercin(vcov,ucov,vcont,ucont,ecin0)
550
551	! dissipation
552	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
553	ucov=ucov+dudis
554	vcov=vcov+dvdis
555	! teta=teta+dtetadis
556
557
558	!------------------------------------------------------------------------
559	if (dissip_conservative) then
560	! On rajoute la tendance due a la transform. Ec -> E therm. cree
561	! lors de la dissipation
562	call covcont(llm,ucov,vcov,ucont,vcont)
563	call enercin(vcov,ucov,vcont,ucont,ecin)
564	dtetaecdt= (ecin0-ecin)/ pk
565	! teta=teta+dtetaecdt
566	dtetadis=dtetadis+dtetaecdt
567	endif
568	teta=teta+dtetadis
569	!------------------------------------------------------------------------
570
571
572	! ....... P. Le Van ( ajout le 17/04/96 ) ...........
573	! ... Calcul de la valeur moyenne, unique de h aux poles .....
574	!
575
576	DO l = 1, llm
577	DO ij = 1,iim
578	tppn(ij) = aire( ij ) * teta( ij ,l)
579	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
580	ENDDO
581	tpn = SSUM(iim,tppn,1)/apoln
582	tps = SSUM(iim,tpps,1)/apols
583
584	DO ij = 1, iip1
585	teta( ij ,l) = tpn
586	teta(ij+ip1jm,l) = tps
587	ENDDO
588	ENDDO
589
590	if (1 == 0) then
591	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
592	!!! 2) should probably not be here anyway
593	!!! but are kept for those who would want to revert to previous behaviour
594	DO ij = 1,iim
595	tppn(ij) = aire( ij ) * ps ( ij )
596	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
597	ENDDO
598	tpn = SSUM(iim,tppn,1)/apoln
599	tps = SSUM(iim,tpps,1)/apols
600
601	DO ij = 1, iip1
602	ps( ij ) = tpn
603	ps(ij+ip1jm) = tps
604	ENDDO
605	endif ! of if (1 == 0)
606
607	END IF ! of IF(apdiss)
608
609	! ajout debug
610	! IF( lafin ) then
611	! abort_message = 'Simulation finished'
612	! call abort_gcm(modname,abort_message,0)
613	! ENDIF
614
615	! ********************************************************************
616	! ********************************************************************
617	! .... fin de l'integration dynamique et physique pour le pas itau ..
618	! ********************************************************************
619	! ********************************************************************
620
621	! preparation du pas d'integration suivant ......
622
623	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1509')
624
625	IF ( .NOT.purmats ) THEN
626	! ........................................................
627	! .............. schema matsuno + leapfrog ..............
628	! ........................................................
629
630	IF(forward.OR. leapf) THEN
631	itau= itau + 1
632	! iday= day_ini+itau/day_step
633	! time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
634	! IF(time.GT.1.) THEN
635	! time = time-1.
636	! iday = iday+1
637	! ENDIF
638	ENDIF
639
640
641	IF( itau.EQ. itaufinp1 ) then
642	if (flag_verif) then
643	write(79,*) 'ucov',ucov
644	write(80,*) 'vcov',vcov
645	write(81,*) 'teta',teta
646	write(82,*) 'ps',ps
647	write(83,*) 'q',q
648	WRITE(85,*) 'q1 = ',q(:,:,1)
649	WRITE(86,*) 'q3 = ',q(:,:,3)
650	endif
651
652	abort_message = 'Simulation finished'
653
654	call abort_gcm(modname,abort_message,0)
655	ENDIF
656	!-----------------------------------------------------------------------
657	! ecriture du fichier histoire moyenne:
658	! -------------------------------------
659
660	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
661	IF(itau.EQ.itaufin) THEN
662	iav=1
663	ELSE
664	iav=0
665	ENDIF
666
667	! ! Ehouarn: re-compute geopotential for outputs
668	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
669
670	IF (ok_dynzon) THEN
671	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav, &
672	ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
673
674	END IF
675	IF (ok_dyn_ave) THEN
676	CALL writedynav(itau,vcov, &
677	ucov,teta,pk,phi,q,masse,ps,phis)
678
679	ENDIF
680
681	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
682
683	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1584')
684
685	!-----------------------------------------------------------------------
686	! ecriture de la bande histoire:
687	! ------------------------------
688
689	IF( MOD(itau,iecri).EQ.0) THEN
690	! ! Ehouarn: output only during LF or Backward Matsuno
691	if (leapf.or.(.not.leapf.and.(.not.forward))) then
692	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
693	unat=0.
694	do l=1,llm
695	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
696	vnat(:,l)=vcov(:,l)/cv(:)
697	enddo
698	if (ok_dyn_ins) then
699	! write(lunout,*) "leapfrog: call writehist, itau=",itau
700	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
701	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
702	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
703	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
704	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
705	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
706	endif ! of if (ok_dyn_ins)
707
708	! For some Grads outputs of fields
709	if (output_grads_dyn) then
710	#include "write_grads_dyn.h"
711	endif
712	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
713	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
714
715	IF(itau.EQ.itaufin) THEN
716
717
718	! if (planet_type.eq."earth") then
719	! Write an Earth-format restart file
720	CALL dynredem1("restart.nc",start_time, &
721	vcov,ucov,teta,q,masse,ps)
722	! endif ! of if (planet_type.eq."earth")
723
724	CLOSE(99)
725	if (ok_guide) then
726	! ! set ok_guide to false to avoid extra output
727	! ! in following forward step
728	ok_guide=.false.
729	endif
730	! !!! Ehouarn: Why not stop here and now?
731	ENDIF ! of IF (itau.EQ.itaufin)
732
733	!-----------------------------------------------------------------------
734	! gestion de l'integration temporelle:
735	! ------------------------------------
736
737	IF( MOD(itau,iperiod).EQ.0 ) THEN
738	GO TO 1
739	ELSE IF ( MOD(itau-1,iperiod).EQ. 0 ) THEN
740
741	IF( forward ) THEN
742	! fin du pas forward et debut du pas backward
743
744	forward = .FALSE.
745	leapf = .FALSE.
746	GO TO 2
747
748	ELSE
749	! fin du pas backward et debut du premier pas leapfrog
750
751	leapf = .TRUE.
752	dt = 2.*dtvr
753	GO TO 2
754	END IF ! of IF (forward)
755	ELSE
756
757	! ...... pas leapfrog .....
758
759	leapf = .TRUE.
760	dt = 2.*dtvr
761	GO TO 2
762	END IF ! of IF (MOD(itau,iperiod).EQ.0)
763	! ! ELSEIF (MOD(itau-1,iperiod).EQ.0)
764
765	ELSE ! of IF (.not.purmats)
766
767	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1664')
768
769	! ........................................................
770	! .............. schema matsuno ...............
771	! ........................................................
772	IF( forward ) THEN
773
774	itau = itau + 1
775	! iday = day_ini+itau/day_step
776	! time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
777	!
778	! IF(time.GT.1.) THEN
779	! time = time-1.
780	! iday = iday+1
781	! ENDIF
782
783	forward = .FALSE.
784	IF( itau.EQ. itaufinp1 ) then
785	abort_message = 'Simulation finished'
786	call abort_gcm(modname,abort_message,0)
787	ENDIF
788	GO TO 2
789
790	ELSE ! of IF(forward) i.e. backward step
791
792	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1698')
793
794	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
795	IF(itau.EQ.itaufin) THEN
796	iav=1
797	ELSE
798	iav=0
799	ENDIF
800
801	! ! Ehouarn: re-compute geopotential for outputs
802	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
803
804	IF (ok_dynzon) THEN
805	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav, &
806	ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
807
808	ENDIF
809	IF (ok_dyn_ave) THEN
810	CALL writedynav(itau,vcov, &
811	ucov,teta,pk,phi,q,masse,ps,phis)
812
813	ENDIF
814
815	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
816
817	IF(MOD(itau,iecri ).EQ.0) THEN
818	! IF(MOD(itau,iecri*day_step).EQ.0) THEN
819	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
820	unat=0.
821	do l=1,llm
822	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
823	vnat(:,l)=vcov(:,l)/cv(:)
824	enddo
825	if (ok_dyn_ins) then
826	! write(lunout,*) "leapfrog: call writehist (b)",
827	! & itau,iecri
828	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
829	endif ! of if (ok_dyn_ins)
830
831	! For some Grads outputs
832	if (output_grads_dyn) then
833	#include "write_grads_dyn.h"
834	endif
835
836	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
837
838	IF(itau.EQ.itaufin) THEN
839	! if (planet_type.eq."earth") then
840	CALL dynredem1("restart.nc",start_time, &
841	vcov,ucov,teta,q,masse,ps)
842	! endif ! of if (planet_type.eq."earth")
843	if (ok_guide) then
844	! ! set ok_guide to false to avoid extra output
845	! ! in following forward step
846	ok_guide=.false.
847	endif
848	ENDIF ! of IF(itau.EQ.itaufin)
849
850	forward = .TRUE.
851	GO TO 1
852
853	ENDIF ! of IF (forward)
854
855	END IF ! of IF(.not.purmats)
856
857	END SUBROUTINE leapfrog

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