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leapfrog.F @ 2544

Last change on this file since 2544 was 2544, checked in by romain.vande, 3 years ago

MARS GCM:

update of r2507: correction for time output in the case of multiple restart files
RV

File size: 35.7 KB

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1	!
2	! $Id: leapfrog.F 1446 2010-10-22 09:27:25Z emillour $
3	!
4	c
5	c
6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,
7	& time_0)
8
9
10	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
11	#ifdef CPP_IOIPSL
12	use IOIPSL
13	#endif
14	USE infotrac, ONLY: nqtot,ok_iso_verif
15	USE guide_mod, ONLY : guide_main
16	USE write_field, ONLY: writefield
17	USE control_mod, ONLY: planet_type,nday,day_step,iperiod,iphysiq,
18	& less1day,fractday,ndynstep,iconser,
19	& dissip_period,offline,ip_ebil_dyn,
20	& ok_dynzon,periodav,ok_dyn_ave,iecri,
21	& ok_dyn_ins,output_grads_dyn,ecritstart
22	use exner_hyb_m, only: exner_hyb
23	use exner_milieu_m, only: exner_milieu
24	use cpdet_mod, only: cpdet,tpot2t,t2tpot
25	use sponge_mod, only: callsponge,mode_sponge,sponge
26	use comuforc_h
27	USE comvert_mod, ONLY: ap,bp,pressure_exner,presnivs
28	USE comconst_mod, ONLY: daysec,dtvr,dtphys,dtdiss,
29	. cpp,ihf,iflag_top_bound,pi
30	USE logic_mod, ONLY: iflag_phys,ok_guide,forward,leapf,apphys,
31	. statcl,conser,apdiss,purmats,tidal,ok_strato
32	USE temps_mod, ONLY: jD_ref,jH_ref,itaufin,day_ini,day_ref,
33	. start_time,dt,hour_ini,day_end
34
35	IMPLICIT NONE
36
37	c ...... Version du 10/01/98 ..........
38
39	c avec coordonnees verticales hybrides
40	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
41
42	c=======================================================================
43	c
44	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
45	c -------
46	c
47	c Objet:
48	c ------
49	c
50	c GCM LMD nouvelle grille
51	c
52	c=======================================================================
53	c
54	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
55	c et possibilite d'appeler une fonction f(y) a derivee tangente
56	c hyperbolique a la place de la fonction a derivee sinusoidale.
57
58	c ... Possibilite de choisir le shema pour l'advection de
59	c q , en modifiant iadv dans traceur.def (10/02) .
60	c
61	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
62	c Pour Van-Leer iadv=10
63	c
64	c-----------------------------------------------------------------------
65	c Declarations:
66	c -------------
67
68	#include "dimensions.h"
69	#include "paramet.h"
70	#include "comdissnew.h"
71	#include "comgeom.h"
72	!#include "com_io_dyn.h"
73	#include "iniprint.h"
74	#include "academic.h"
75
76	! FH 2008/05/09 On elimine toutes les clefs physiques dans la dynamique
77	! #include "clesphys.h"
78
79	REAL,INTENT(IN) :: time_0 ! not used
80
81	c dynamical variables:
82	REAL,INTENT(INOUT) :: ucov(ip1jmp1,llm) ! zonal covariant wind
83	REAL,INTENT(INOUT) :: vcov(ip1jm,llm) ! meridional covariant wind
84	REAL,INTENT(INOUT) :: teta(ip1jmp1,llm) ! potential temperature
85	REAL,INTENT(INOUT) :: ps(ip1jmp1) ! surface pressure (Pa)
86	REAL,INTENT(INOUT) :: masse(ip1jmp1,llm) ! air mass
87	REAL,INTENT(INOUT) :: phis(ip1jmp1) ! geopotentiat at the surface
88	REAL,INTENT(INOUT) :: q(ip1jmp1,llm,nqtot) ! advected tracers
89
90	REAL p (ip1jmp1,llmp1 ) ! interlayer pressure
91	REAL pks(ip1jmp1) ! exner at the surface
92	REAL pk(ip1jmp1,llm) ! exner at mid-layer
93	REAL pkf(ip1jmp1,llm) ! filtered exner at mid-layer
94	REAL phi(ip1jmp1,llm) ! geopotential
95	REAL w(ip1jmp1,llm) ! vertical velocity
96	! ADAPTATION GCM POUR CP(T)
97	REAL temp(ip1jmp1,llm) ! temperature
98	REAL tsurpk(ip1jmp1,llm) ! cpp*T/pk
99
100	! real zqmin,zqmax
101
102	c variables dynamiques intermediaire pour le transport
103	REAL pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
104
105	c variables dynamiques au pas -1
106	REAL vcovm1(ip1jm,llm),ucovm1(ip1jmp1,llm)
107	REAL tetam1(ip1jmp1,llm),psm1(ip1jmp1)
108	REAL massem1(ip1jmp1,llm)
109
110	c tendances dynamiques en */s
111	REAL dv(ip1jm,llm),du(ip1jmp1,llm)
112	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
113
114	c tendances de la dissipation en */s
115	REAL dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
116	REAL dtetadis(ip1jmp1,llm)
117
118	c tendances de la couche superieure */s
119	c REAL dvtop(ip1jm,llm)
120	REAL dutop(ip1jmp1,llm)
121	c REAL dtetatop(ip1jmp1,llm)
122	c REAL dqtop(ip1jmp1,llm,nqtot),dptop(ip1jmp1)
123
124	c TITAN : tendances due au forces de marees */s
125	REAL dvtidal(ip1jm,llm),dutidal(ip1jmp1,llm)
126
127	c tendances physiques */s
128	REAL dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
129	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
130
131	c variables pour le fichier histoire
132	! REAL dtav ! intervalle de temps elementaire
133	LOGICAL lrestart
134
135	REAL tppn(iim),tpps(iim),tpn,tps
136	c
137	INTEGER itau,itaufinp1,iav
138	! INTEGER iday ! jour julien
139	REAL time
140
141	REAL SSUM
142	! REAL finvmaold(ip1jmp1,llm)
143
144	cym LOGICAL lafin
145	LOGICAL :: lafin=.false.
146	INTEGER ij,iq,l
147	! INTEGER ik
148
149	! real time_step, t_wrt, t_ops
150
151	REAL rdaym_ini
152	! jD_cur: jour julien courant
153	! jH_cur: heure julienne courante
154	REAL :: jD_cur, jH_cur
155	! INTEGER :: an, mois, jour
156	! REAL :: secondes
157
158	LOGICAL first,callinigrads
159	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
160	save first
161	data first/.true./
162	! real dt_cum
163	! character*10 infile
164	! integer zan, tau0, thoriid
165	! integer nid_ctesGCM
166	! save nid_ctesGCM
167	! real degres
168	! real rlong(iip1), rlatg(jjp1)
169	! real zx_tmp_2d(iip1,jjp1)
170	! integer ndex2d(iip1*jjp1)
171	logical ok_sync
172	parameter (ok_sync = .true.)
173	logical physics
174
175	data callinigrads/.true./
176	character*10 string10
177
178	! REAL alpha(ip1jmp1,llm),beta(ip1jmp1,llm)
179	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
180
181	c+jld variables test conservation energie
182	REAL ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
183	C Tendance de la temp. potentiel d (theta)/ d t due a la
184	C tansformation d'energie cinetique en energie thermique
185	C cree par la dissipation
186	REAL dtetaecdt(ip1jmp1,llm)
187	REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm)
188	REAL vnat(ip1jm,llm),unat(ip1jmp1,llm)
189	! REAL d_h_vcol, d_qt, d_qw, d_ql, d_ec
190	CHARACTER*15 ztit
191	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
192	!IM SAVE ip_ebil_dyn
193	!IM DATA ip_ebil_dyn/0/
194	c-jld
195
196	! integer :: itau_w ! for write_paramLMDZ_dyn.h
197
198	! character*80 dynhist_file, dynhistave_file
199	character(len=*),parameter :: modname="leapfrog"
200	character*80 abort_message
201
202	logical dissip_conservative
203	save dissip_conservative
204	data dissip_conservative/.true./
205
206	INTEGER testita
207	PARAMETER (testita = 9)
208
209	logical , parameter :: flag_verif = .false.
210
211	! for CP(T)
212	real :: dtec
213	real :: ztetaec(ip1jmp1,llm)
214
215	if (nday>=0) then
216	itaufin = nday*day_step
217	else
218	! to run a given (-nday) number of dynamical steps
219	itaufin = -nday
220	endif
221	if (less1day) then
222	c MODIF VENUS: to run less than one day:
223	itaufin = int(fractday*day_step)
224	endif
225	if (ndynstep.gt.0) then
226	! running a given number of dynamical steps
227	itaufin=ndynstep
228	endif
229	itaufinp1 = itaufin +1
230
231	c INITIALISATIONS
232	dudis(:,:) =0.
233	dvdis(:,:) =0.
234	dtetadis(:,:)=0.
235	dutop(:,:) =0.
236	c dvtop(:,:) =0.
237	c dtetatop(:,:)=0.
238	c dqtop(:,:,:) =0.
239	c dptop(:) =0.
240	dufi(:,:) =0.
241	dvfi(:,:) =0.
242	dtetafi(:,:)=0.
243	dqfi(:,:,:) =0.
244	dpfi(:) =0.
245
246	itau = 0
247	physics=.true.
248	if (iflag_phys==0.or.iflag_phys==2) physics=.false.
249
250	c iday = day_ini+itau/day_step
251	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
252	c IF(time.GT.1.) THEN
253	c time = time-1.
254	c iday = iday+1
255	c ENDIF
256
257
258	c-----------------------------------------------------------------------
259	c On initialise la pression et la fonction d'Exner :
260	c --------------------------------------------------
261
262	dq(:,:,:)=0.
263	CALL pression ( ip1jmp1, ap, bp, ps, p )
264	if (pressure_exner) then
265	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
266	else
267	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
268	endif
269
270	c------------------
271	c TEST PK MONOTONE
272	c------------------
273	write(,) "Test PK"
274	do ij=1,ip1jmp1
275	do l=2,llm
276	if(pk(ij,l).gt.pk(ij,l-1)) then
277	c write(,) ij,l,pk(ij,l)
278	abort_message = 'PK non strictement decroissante'
279	call abort_gcm(modname,abort_message,1)
280	c write(,) "ATTENTION, Test PK deconnecte..."
281	endif
282	enddo
283	enddo
284	write(,) "Fin Test PK"
285	c stop
286	c------------------
287
288	c-----------------------------------------------------------------------
289	c Debut de l'integration temporelle:
290	c ----------------------------------
291
292	c RMBY: check that hour_ini and start_time are not both non-zero
293	if ((hour_ini.ne.0.0).and.(start_time.ne.0.0)) then
294	write(,) "ERROR: hour_ini = ", hour_ini,
295	& "start_time = ", start_time
296	abort_message = 'hour_ini and start_time both nonzero'
297	call abort_gcm(modname,abort_message,1)
298	endif
299
300	1 CONTINUE ! Matsuno Forward step begins here
301
302	c date: (NB: date remains unchanged for Backward step)
303	c -----
304
305	jD_cur = jD_ref + day_ini - day_ref + &
306	& (itau+1)/day_step
307	IF (planet_type .eq. "mars") THEN
308	jH_cur = jH_ref + hour_ini + &
309	& mod(itau+1,day_step)/float(day_step)
310	ELSE
311	jH_cur = jH_ref + start_time + &
312	& mod(itau+1,day_step)/float(day_step)
313	ENDIF
314	jD_cur = jD_cur + int(jH_cur)
315	jH_cur = jH_cur - int(jH_cur)
316
317	if (ok_iso_verif) then
318	call check_isotopes_seq(q,ip1jmp1,'leapfrog 321')
319	endif !if (ok_iso_verif) then
320
321	#ifdef CPP_IOIPSL
322	IF (planet_type.eq."earth") THEN
323	if (ok_guide) then
324	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
325	endif
326	ENDIF
327	#endif
328
329
330	c
331	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
332	c CALL test_period ( ucov,vcov,teta,q,p,phis )
333	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
334	c ENDIF
335	c
336
337	! Save fields obtained at previous time step as '...m1'
338	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
339	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
340	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
341	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
342	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
343
344	forward = .TRUE.
345	leapf = .FALSE.
346	dt = dtvr
347
348	c ... P.Le Van .26/04/94 ....
349	! Ehouarn: finvmaold is actually not used
350	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
351	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
352
353	if (ok_iso_verif) then
354	call check_isotopes_seq(q,ip1jmp1,'leapfrog 400')
355	endif !if (ok_iso_verif) then
356
357	2 CONTINUE ! Matsuno backward or leapfrog step begins here
358
359	c-----------------------------------------------------------------------
360
361	c date: (NB: only leapfrog step requires recomputing date)
362	c -----
363
364	IF (leapf) THEN
365	jD_cur = jD_ref + day_ini - day_ref +
366	& (itau+1)/day_step
367	IF (planet_type .eq. "mars") THEN
368	jH_cur = jH_ref + hour_ini +
369	& mod(itau+1,day_step)/float(day_step)
370	ELSE
371	jH_cur = jH_ref + start_time +
372	& mod(itau+1,day_step)/float(day_step)
373	ENDIF
374	jD_cur = jD_cur + int(jH_cur)
375	jH_cur = jH_cur - int(jH_cur)
376	ENDIF
377
378
379	c gestion des appels de la physique et des dissipations:
380	c ------------------------------------------------------
381	c
382	c ... P.Le Van ( 6/02/95 ) ....
383
384	apphys = .FALSE.
385	statcl = .FALSE.
386	conser = .FALSE.
387	apdiss = .FALSE.
388
389	IF( purmats ) THEN
390	! Purely Matsuno time stepping
391	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
392	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
393	s apdiss = .TRUE.
394	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
395	s .and. physics ) apphys = .TRUE.
396	ELSE
397	! Leapfrog/Matsuno time stepping
398	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
399	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
400	s apdiss = .TRUE.
401	IF( MOD(itau+1,iphysiq).EQ.0.AND.physics ) apphys=.TRUE.
402	END IF
403
404	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
405	! supress dissipation step
406	if (llm.eq.1) then
407	apdiss=.false.
408	endif
409
410	#ifdef NODYN
411	apdiss=.false.
412	#endif
413
414	if (ok_iso_verif) then
415	call check_isotopes_seq(q,ip1jmp1,'leapfrog 589')
416	endif !if (ok_iso_verif) then
417
418	c-----------------------------------------------------------------------
419	c calcul des tendances dynamiques:
420	c --------------------------------
421
422	! ADAPTATION GCM POUR CP(T)
423	call tpot2t(ijp1llm,teta,temp,pk)
424	tsurpk = cpp*temp/pk
425	! compute geopotential phi()
426	CALL geopot ( ip1jmp1, tsurpk , pk , pks, phis , phi )
427
428	rdaym_ini = itau * dtvr / daysec
429
430	time = jD_cur + jH_cur
431
432	#ifdef NODYN
433	dv(:,:) = 0.D+0
434	du(:,:) = 0.D+0
435	dteta(:,:) = 0.D+0
436	dq(:,:,:) = 0.D+0
437	dp(:) = 0.D+0
438	flxw(:,:) = 0.D+0
439	#else
440	CALL caldyn
441	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,tsurpk,phis ,
442	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
443
444	! Simple zonal wind nudging for generic planetary model
445	! AS 09/2013
446	! ---------------------------------------------------
447	if (planet_type.eq."generic") then
448	if (ok_guide) then
449	du(:,:) = du(:,:) + ((uforc(:,:)-ucov(:,:)) / facwind)
450	endif
451	endif
452
453	c-----------------------------------------------------------------------
454	c calcul des tendances advection des traceurs (dont l'humidite)
455	c -------------------------------------------------------------
456
457	if (ok_iso_verif) then
458	call check_isotopes_seq(q,ip1jmp1,
459	& 'leapfrog 686: avant caladvtrac')
460	endif !if (ok_iso_verif) then
461
462	IF( forward. OR . leapf ) THEN
463	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
464	CALL caladvtrac(q,pbaru,pbarv,
465	* p, masse, dq, teta,
466	. flxw, pk)
467
468	IF (offline) THEN
469	Cmaf stokage du flux de masse pour traceurs OFF-LINE
470
471	#ifdef CPP_IOIPSL
472	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
473	. dtvr, itau)
474	#endif
475
476
477	ENDIF ! of IF (offline)
478	c
479	ENDIF ! of IF( forward. OR . leapf )
480
481
482	c-----------------------------------------------------------------------
483	c integrations dynamique et traceurs:
484	c ----------------------------------
485
486	if (ok_iso_verif) then
487	write(,) 'leapfrog 720'
488	call check_isotopes_seq(q,ip1jmp1,'leapfrog 756')
489	endif !if (ok_iso_verif) then
490
491	CALL integrd ( nqtot,vcovm1,ucovm1,tetam1,psm1,massem1 ,
492	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
493	! $ finvmaold )
494
495	if (ok_iso_verif) then
496	write(,) 'leapfrog 724'
497	call check_isotopes_seq(q,ip1jmp1,'leapfrog 762')
498	endif !if (ok_iso_verif) then
499
500	IF ((planet_type.eq."titan").and.(tidal)) then
501	c-----------------------------------------------------------------------
502	c Marees gravitationnelles causees par Saturne
503	c B. Charnay (28/10/2010)
504	c ----------------------------------------------------------
505	CALL tidal_forces(rdaym_ini, dutidal, dvtidal)
506	ucov=ucov+dutidal*dt
507	vcov=vcov+dvtidal*dt
508	ENDIF
509
510	! NODYN precompiling flag
511	#endif
512
513	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
514	c
515	c-----------------------------------------------------------------------
516	c calcul des tendances physiques:
517	c -------------------------------
518	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
519	c
520	IF( purmats ) THEN
521	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
522	ELSE
523	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
524	ENDIF
525	c
526	c
527	IF( apphys ) THEN
528	c
529	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
530	c
531
532	CALL pression ( ip1jmp1, ap, bp, ps, p )
533	if (pressure_exner) then
534	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
535	else
536	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
537	endif
538
539	! Compute geopotential (physics might need it)
540	! GEOP CORRECTION
541	! ADAPTATION GCM POUR CP(T)
542	! CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
543	call tpot2t(ijp1llm,teta,temp,pk)
544	tsurpk = cpp*temp/pk
545	CALL geopot ( ip1jmp1, tsurpk, pk, pks, phis, phi )
546
547	jD_cur = jD_ref + day_ini - day_ref + &
548	& (itau+1)/day_step
549
550	IF ((planet_type .eq."generic").or.
551	& (planet_type .eq."mars")) THEN
552	! AS: we make jD_cur to be pday
553	jD_cur = int(day_ini + itau/day_step)
554	ENDIF
555
556	IF (planet_type .eq. "mars") THEN
557	jH_cur = jH_ref + hour_ini + &
558	& mod(itau,day_step)/float(day_step)
559	ELSE IF (planet_type .eq. "generic") THEN
560	jH_cur = jH_ref + start_time + &
561	& mod(itau,day_step)/float(day_step)
562	ELSE
563	jH_cur = jH_ref + start_time + &
564	& mod(itau+1,day_step)/float(day_step)
565	ENDIF
566	jD_cur = jD_cur + int(jH_cur)
567	jH_cur = jH_cur - int(jH_cur)
568	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
569	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
570	! write(lunout,*)'current date = ',an, mois, jour, secondes
571
572	c rajout debug
573	c lafin = .true.
574
575
576	c Interface avec les routines de phylmd (phymars ... )
577	c -----------------------------------------------------
578
579	c+jld
580
581	c Diagnostique de conservation de l'energie : initialisation
582	IF (ip_ebil_dyn.ge.1 ) THEN
583	ztit='bil dyn'
584	! Ehouarn: be careful, diagedyn is Earth-specific!
585	IF (planet_type.eq."earth") THEN
586	CALL diagedyn(ztit,2,1,1,dtphys
587	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
588	ENDIF
589	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
590	c-jld
591	#ifdef CPP_IOIPSL
592	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
593	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
594	c IF (first) THEN
595	c first=.false.
596	c#include "ini_paramLMDZ_dyn.h"
597	c ENDIF
598	c
599	c#include "write_paramLMDZ_dyn.h"
600	c
601	#endif
602	! #endif of #ifdef CPP_IOIPSL
603
604	c call WriteField('pfi',reshape(p,(/iip1,jmp1,llmp1/)))
605
606	CALL calfis( lafin , jD_cur, jH_cur,
607	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
608	$ du,dv,dteta,dq,
609	$ flxw,
610	$ dufi,dvfi,dtetafi,dqfi,dpfi )
611
612	c call WriteField('dufi',reshape(dufi,(/iip1,jmp1,llm/)))
613	c call WriteField('dvfi',reshape(dvfi,(/iip1,jjm,llm/)))
614	c call WriteField('dtetafi',reshape(dtetafi,(/iip1,jmp1,llm/)))
615
616	c ajout des tendances physiques:
617	c ------------------------------
618	CALL addfi( dtphys, leapf, forward ,
619	$ ucov, vcov, teta , q ,ps ,
620	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
621	! since addfi updates ps(), also update p(), masse() and pk()
622	CALL pression (ip1jmp1,ap,bp,ps,p)
623	CALL massdair(p,masse)
624	if (pressure_exner) then
625	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
626	else
627	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
628	endif
629
630	c Couche superieure :
631	c -------------------
632	IF (iflag_top_bound > 0) THEN
633	CALL top_bound(vcov,ucov,teta,masse,dtphys,dutop)
634	dutop(:,:)=dutop(:,:)/dtphys ! convert to a tendency in (m/s)/s
635	ENDIF
636
637	c Diagnostique de conservation de l'energie : difference
638	IF (ip_ebil_dyn.ge.1 ) THEN
639	ztit='bil phys'
640	IF (planet_type.eq."earth") THEN
641	CALL diagedyn(ztit,2,1,1,dtphys
642	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
643	ENDIF
644	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
645
646	ENDIF ! of IF( apphys )
647
648	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
649	! Academic case : Simple friction and Newtonan relaxation
650	! -------------------------------------------------------
651	DO l=1,llm
652	DO ij=1,ip1jmp1
653	teta(ij,l)=teta(ij,l)-dtvr*
654	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
655	ENDDO
656	ENDDO ! of DO l=1,llm
657
658	if (planet_type.eq."giant") then
659	! add an intrinsic heat flux at the base of the atmosphere
660	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
661	endif
662
663	call friction(ucov,vcov,dtvr)
664
665
666	! Sponge layer (if any)
667	IF (ok_strato) THEN
668	CALL top_bound(vcov,ucov,teta,masse,dtvr,dutop)
669	dutop(:,:)=dutop(:,:)/dtvr ! convert to a tendency in (m/s)/s
670	ENDIF ! of IF (ok_strato)
671	ENDIF ! of IF (iflag_phys.EQ.2)
672
673
674	c-jld
675
676	CALL pression ( ip1jmp1, ap, bp, ps, p )
677	if (pressure_exner) then
678	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
679	else
680	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
681	endif
682	CALL massdair(p,masse)
683
684	if (ok_iso_verif) then
685	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1196')
686	endif !if (ok_iso_verif) then
687
688	c-----------------------------------------------------------------------
689	c dissipation horizontale et verticale des petites echelles:
690	c ----------------------------------------------------------
691
692	IF(apdiss) THEN
693
694	! sponge layer
695	if (callsponge) then
696	CALL sponge(ucov,vcov,teta,ps,dtdiss,mode_sponge)
697	endif
698
699	c calcul de l'energie cinetique avant dissipation
700	call covcont(llm,ucov,vcov,ucont,vcont)
701	call enercin(vcov,ucov,vcont,ucont,ecin0)
702
703	c dissipation
704	! ADAPTATION GCM POUR CP(T)
705	call tpot2t(ijp1llm,teta,temp,pk)
706
707	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
708	ucov=ucov+dudis
709	vcov=vcov+dvdis
710	dudis=dudis/dtdiss ! passage en (m/s)/s
711	dvdis=dvdis/dtdiss ! passage en (m/s)/s
712
713	c------------------------------------------------------------------------
714	if (dissip_conservative) then
715	C On rajoute la tendance due a la transform. Ec -> E therm. cree
716	C lors de la dissipation
717	call covcont(llm,ucov,vcov,ucont,vcont)
718	call enercin(vcov,ucov,vcont,ucont,ecin)
719	! ADAPTATION GCM POUR CP(T)
720	do ij=1,ip1jmp1
721	do l=1,llm
722	dtec = (ecin0(ij,l)-ecin(ij,l))/cpdet(temp(ij,l))
723	temp(ij,l) = temp(ij,l) + dtec
724	enddo
725	enddo
726	call t2tpot(ijp1llm,temp,ztetaec,pk)
727	dtetaecdt=ztetaec-teta
728	dtetadis=dtetadis+dtetaecdt
729	endif
730	teta=teta+dtetadis
731	dtetadis=dtetadis/dtdiss ! passage en K/s
732	c------------------------------------------------------------------------
733
734
735	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
736	c ... Calcul de la valeur moyenne, unique de h aux poles .....
737	c
738
739	DO l = 1, llm
740	DO ij = 1,iim
741	tppn(ij) = aire( ij ) * teta( ij ,l)
742	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
743	ENDDO
744	tpn = SSUM(iim,tppn,1)/apoln
745	tps = SSUM(iim,tpps,1)/apols
746
747	DO ij = 1, iip1
748	teta( ij ,l) = tpn
749	teta(ij+ip1jm,l) = tps
750	ENDDO
751	ENDDO
752
753	if (1 == 0) then
754	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
755	!!! 2) should probably not be here anyway
756	!!! but are kept for those who would want to revert to previous behaviour
757	DO ij = 1,iim
758	tppn(ij) = aire( ij ) * ps ( ij )
759	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
760	ENDDO
761	tpn = SSUM(iim,tppn,1)/apoln
762	tps = SSUM(iim,tpps,1)/apols
763
764	DO ij = 1, iip1
765	ps( ij ) = tpn
766	ps(ij+ip1jm) = tps
767	ENDDO
768	endif ! of if (1 == 0)
769
770	END IF ! of IF(apdiss)
771
772	c ajout debug
773	c IF( lafin ) then
774	c abort_message = 'Simulation finished'
775	c call abort_gcm(modname,abort_message,0)
776	c ENDIF
777
778	c ********************************************************************
779	c ********************************************************************
780	c .... fin de l'integration dynamique et physique pour le pas itau ..
781	c ********************************************************************
782	c ********************************************************************
783
784	c preparation du pas d'integration suivant ......
785
786	if (ok_iso_verif) then
787	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1509')
788	endif !if (ok_iso_verif) then
789
790	IF ( .NOT.purmats ) THEN
791	c ........................................................
792	c .............. schema matsuno + leapfrog ..............
793	c ........................................................
794
795	IF(forward. OR. leapf) THEN
796	itau= itau + 1
797	c iday= day_ini+itau/day_step
798	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
799	c IF(time.GT.1.) THEN
800	c time = time-1.
801	c iday = iday+1
802	c ENDIF
803	ENDIF
804
805
806	IF( itau. EQ. itaufinp1 ) then
807	if (flag_verif) then
808	write(79,*) 'ucov',ucov
809	write(80,*) 'vcov',vcov
810	write(81,*) 'teta',teta
811	write(82,*) 'ps',ps
812	write(83,*) 'q',q
813	WRITE(85,*) 'q1 = ',q(:,:,1)
814	WRITE(86,*) 'q3 = ',q(:,:,3)
815	endif
816
817	abort_message = 'Simulation finished'
818
819	call abort_gcm(modname,abort_message,0)
820	ENDIF
821	c-----------------------------------------------------------------------
822	c ecriture du fichier histoire moyenne:
823	c -------------------------------------
824
825	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
826	IF(itau.EQ.itaufin) THEN
827	iav=1
828	ELSE
829	iav=0
830	ENDIF
831
832	! ! Ehouarn: re-compute geopotential for outputs
833	! GEOP CORRECTION
834	! ADAPTATION GCM POUR CP(T)
835	! CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
836	call tpot2t(ijp1llm,teta,temp,pk)
837	tsurpk = cpp*temp/pk
838	CALL geopot(ip1jmp1,tsurpk,pk,pks,phis,phi)
839
840	IF (ok_dynzon) THEN
841	#ifdef CPP_IOIPSL
842	c les traceurs ne sont pas sortis, trop lourd.
843	c Peut changer eventuellement si besoin.
844	CALL bilan_dyn(dtvriperiod,dtvrday_step*periodav,
845	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,
846	& du,dudis,dutop,dufi)
847	#endif
848	END IF
849	IF (ok_dyn_ave) THEN
850	#ifdef CPP_IOIPSL
851	CALL writedynav(itau,vcov,
852	& ucov,teta,pk,phi,q,masse,ps,phis)
853	#endif
854	ENDIF
855
856	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
857
858	if (ok_iso_verif) then
859	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1584')
860	endif !if (ok_iso_verif) then
861
862	c-----------------------------------------------------------------------
863	c ecriture de la bande histoire:
864	c ------------------------------
865
866	IF( MOD(itau,iecri).EQ.0) THEN
867	! Ehouarn: output only during LF or Backward Matsuno
868	if (leapf.or.(.not.leapf.and.(.not.forward))) then
869	! ADAPTATION GCM POUR CP(T)
870	call tpot2t(ijp1llm,teta,temp,pk)
871	tsurpk = cpp*temp/pk
872	CALL geopot(ip1jmp1,tsurpk,pk,pks,phis,phi)
873	unat=0.
874	do l=1,llm
875	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
876	vnat(:,l)=vcov(:,l)/cv(:)
877	enddo
878	#ifdef CPP_IOIPSL
879	if (ok_dyn_ins) then
880	! write(lunout,*) "leapfrog: call writehist, itau=",itau
881	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
882	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
883	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
884	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
885	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
886	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
887	endif ! of if (ok_dyn_ins)
888	#endif
889	! For some Grads outputs of fields
890	if (output_grads_dyn) then
891	#include "write_grads_dyn.h"
892	endif
893	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
894	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
895
896	c Determine whether to write to the restart.nc file
897	c Decision can't be made in one IF statement as if
898	c ecritstart==0 there will be a divide-by-zero error
899	lrestart = .false.
900	IF (itau.EQ.itaufin) THEN
901	lrestart = .true.
902	ELSE IF (ecritstart.GT.0) THEN
903	IF (MOD(itau,ecritstart).EQ.0) lrestart = .true.
904	ENDIF
905
906	c Write to the restart.nc file
907	IF (lrestart) THEN
908	if (planet_type=="mars") then
909	if(ecritstart.GT.0) then
910	CALL dynredem1("restart.nc",
911	& REAL(itau)/REAL(day_step)+
912	& time_0-floor(time_0),
913	& vcov,ucov,teta,q,masse,ps)
914	else
915	CALL dynredem1("restart.nc",
916	& REAL(itau)/REAL(day_step)-(day_end-day_ini)
917	& +time_0-floor(time_0),
918	& vcov,ucov,teta,q,masse,ps)
919	endif
920	else
921	CALL dynredem1("restart.nc",start_time,
922	& vcov,ucov,teta,q,masse,ps)
923	endif
924	CLOSE(99)
925	!!! Ehouarn: Why not stop here and now?
926	ENDIF ! of IF (lrestart)
927
928	c-----------------------------------------------------------------------
929	c gestion de l'integration temporelle:
930	c ------------------------------------
931
932	IF( MOD(itau,iperiod).EQ.0 ) THEN
933	GO TO 1
934	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
935
936	IF( forward ) THEN
937	c fin du pas forward et debut du pas backward
938
939	forward = .FALSE.
940	leapf = .FALSE.
941	GO TO 2
942
943	ELSE
944	c fin du pas backward et debut du premier pas leapfrog
945
946	leapf = .TRUE.
947	dt = 2.*dtvr
948	GO TO 2
949	END IF ! of IF (forward)
950	ELSE
951
952	c ...... pas leapfrog .....
953
954	leapf = .TRUE.
955	dt = 2.*dtvr
956	GO TO 2
957	END IF ! of IF (MOD(itau,iperiod).EQ.0)
958	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
959
960	ELSE ! of IF (.not.purmats)
961
962	if (ok_iso_verif) then
963	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1664')
964	endif !if (ok_iso_verif) then
965
966	c ........................................................
967	c .............. schema matsuno ...............
968	c ........................................................
969	IF( forward ) THEN
970
971	itau = itau + 1
972	c iday = day_ini+itau/day_step
973	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
974	c
975	c IF(time.GT.1.) THEN
976	c time = time-1.
977	c iday = iday+1
978	c ENDIF
979
980	forward = .FALSE.
981	IF( itau. EQ. itaufinp1 ) then
982	abort_message = 'Simulation finished'
983	call abort_gcm(modname,abort_message,0)
984	ENDIF
985	GO TO 2
986
987	ELSE ! of IF(forward) i.e. backward step
988
989	if (ok_iso_verif) then
990	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1698')
991	endif !if (ok_iso_verif) then
992
993	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
994	IF(itau.EQ.itaufin) THEN
995	iav=1
996	ELSE
997	iav=0
998	ENDIF
999
1000	! ! Ehouarn: re-compute geopotential for outputs
1001	! GEOP CORRECTION
1002	! ADAPTATION GCM POUR CP(T)
1003	! CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
1004	call tpot2t(ijp1llm,teta,temp,pk)
1005	tsurpk = cpp*temp/pk
1006	CALL geopot(ip1jmp1,tsurpk,pk,pks,phis,phi)
1007
1008	IF (ok_dynzon) THEN
1009	#ifdef CPP_IOIPSL
1010	c les traceurs ne sont pas sortis, trop lourd.
1011	c Peut changer eventuellement si besoin.
1012	CALL bilan_dyn(dtvriperiod,dtvrday_step*periodav,
1013	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,
1014	& du,dudis,dutop,dufi)
1015	#endif
1016	ENDIF
1017	IF (ok_dyn_ave) THEN
1018	#ifdef CPP_IOIPSL
1019	CALL writedynav(itau,vcov,
1020	& ucov,teta,pk,phi,q,masse,ps,phis)
1021	#endif
1022	ENDIF
1023
1024	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
1025
1026	IF(MOD(itau,iecri ).EQ.0) THEN
1027	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
1028	! ADAPTATION GCM POUR CP(T)
1029	call tpot2t(ijp1llm,teta,temp,pk)
1030	tsurpk = cpp*temp/pk
1031	CALL geopot(ip1jmp1,tsurpk,pk,pks,phis,phi)
1032	unat=0.
1033	do l=1,llm
1034	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
1035	vnat(:,l)=vcov(:,l)/cv(:)
1036	enddo
1037	#ifdef CPP_IOIPSL
1038	if (ok_dyn_ins) then
1039	! write(lunout,*) "leapfrog: call writehist (b)",
1040	! & itau,iecri
1041	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
1042	endif ! of if (ok_dyn_ins)
1043	#endif
1044	! For some Grads outputs
1045	if (output_grads_dyn) then
1046	#include "write_grads_dyn.h"
1047	endif
1048
1049	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
1050
1051	c Determine whether to write to the restart.nc file
1052	c Decision can't be made in one IF statement as if
1053	c ecritstart==0 there will be a divide-by-zero error
1054	lrestart = .false.
1055	IF (itau.EQ.itaufin) THEN
1056	lrestart = .true.
1057	ELSE IF (ecritstart.GT.0) THEN
1058	IF (MOD(itau,ecritstart).EQ.0) lrestart = .true.
1059	ENDIF
1060
1061	c Write to the restart.nc file
1062	IF (lrestart) THEN
1063	if (planet_type=="mars") then
1064	if(ecritstart.GT.0) then
1065	CALL dynredem1("restart.nc",
1066	& REAL(itau)/REAL(day_step),
1067	& vcov,ucov,teta,q,masse,ps)
1068	else
1069	CALL dynredem1("restart.nc",
1070	& REAL(itau)/REAL(day_step)-(day_end-day_ini),
1071	& vcov,ucov,teta,q,masse,ps)
1072	endif
1073	else
1074	CALL dynredem1("restart.nc",start_time,
1075	& vcov,ucov,teta,q,masse,ps)
1076	endif
1077	ENDIF ! of IF (lrestart)
1078
1079	forward = .TRUE.
1080	GO TO 1
1081
1082	ENDIF ! of IF (forward)
1083
1084	END IF ! of IF(.not.purmats)
1085
1086	STOP
1087	END

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