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leapfrog.F @ 5411

Last change on this file since 5411 was 4368, checked in by lguez, 2 years ago
Sync latest trunk changes to Ocean_skin
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: 28.2 KB

Rev	Line
[524]	1	!
[1279]	2	! $Id: leapfrog.F 4368 2022-12-05 23:01:16Z evignon $
	3	!
[524]	4	c
	5	c
[2221]	6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,time_0)
[524]	7
	8
[692]	9	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
[1146]	10	#ifdef CPP_IOIPSL
	11	use IOIPSL
	12	#endif
[4368]	13	USE infotrac, ONLY: nqtot, isoCheck
[1279]	14	USE guide_mod, ONLY : guide_main
[1987]	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
[2021]	20	use exner_hyb_m, only: exner_hyb
	21	use exner_milieu_m, only: exner_milieu
[2600]	22	USE comvert_mod, ONLY: ap,bp,pressure_exner,presnivs
[2597]	23	USE comconst_mod, ONLY: cpp, dtphys, dtvr, pi, ihf
[2603]	24	USE logic_mod, ONLY: iflag_phys,ok_guide,forward,leapf,apphys,
	25	& statcl,conser,apdiss,purmats,ok_strato
[2601]	26	USE temps_mod, ONLY: jD_ref,jH_ref,itaufin,day_ini,day_ref,
	27	& start_time,dt
[4368]	28	USE strings_mod, ONLY: msg
[2021]	29
[524]	30	IMPLICIT NONE
	31
	32	c ...... Version du 10/01/98 ..........
	33
	34	c avec coordonnees verticales hybrides
	35	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
	36
	37	c=======================================================================
	38	c
	39	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
	40	c -------
	41	c
	42	c Objet:
	43	c ------
	44	c
	45	c GCM LMD nouvelle grille
	46	c
	47	c=======================================================================
	48	c
	49	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
	50	c et possibilite d'appeler une fonction f(y) a derivee tangente
	51	c hyperbolique a la place de la fonction a derivee sinusoidale.
	52
	53	c ... Possibilite de choisir le shema pour l'advection de
	54	c q , en modifiant iadv dans traceur.def (10/02) .
	55	c
	56	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
	57	c Pour Van-Leer iadv=10
	58	c
	59	c-----------------------------------------------------------------------
	60	c Declarations:
	61	c -------------
	62
[2597]	63	include "dimensions.h"
	64	include "paramet.h"
	65	include "comdissnew.h"
	66	include "comgeom.h"
	67	include "description.h"
	68	include "iniprint.h"
	69	include "academic.h"
[524]	70
[1987]	71	REAL,INTENT(IN) :: time_0 ! not used
[524]	72
[1987]	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
[524]	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)
[1146]	101	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
[524]	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)
[1146]	109	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
[524]	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
[1279]	117	! INTEGER iday ! jour julien
	118	REAL time
[524]	119
	120	REAL SSUM
[1616]	121	! REAL finvmaold(ip1jmp1,llm)
[524]	122
[566]	123	cym LOGICAL lafin
	124	LOGICAL :: lafin=.false.
[524]	125	INTEGER ij,iq,l
	126	INTEGER ik
	127
	128	real time_step, t_wrt, t_ops
	129
[1279]	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
[524]	137	LOGICAL first,callinigrads
[692]	138	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
	139	save first
	140	data first/.true./
[1279]	141	real dt_cum
[692]	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.)
[1529]	152	logical physic
[524]	153
	154	data callinigrads/.true./
	155	character*10 string10
	156
[960]	157	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
[524]	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
[692]	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/
[524]	172	c-jld
	173
	174	character*80 dynhist_file, dynhistave_file
[1520]	175	character(len=*),parameter :: modname="leapfrog"
[524]	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
[1286]	188	logical , parameter :: flag_verif = .false.
[999]	189
	190
[825]	191	integer itau_w ! pas de temps ecriture = itap + itau_phy
	192
	193
[2038]	194	if (nday>=0) then
	195	itaufin = nday*day_step
	196	else
	197	itaufin = -nday
	198	endif
[524]	199	itaufinp1 = itaufin +1
[1529]	200	itau = 0
	201	physic=.true.
	202	if (iflag_phys==0.or.iflag_phys==2) physic=.false.
[524]	203
[1403]	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
[524]	210
	211
	212	c-----------------------------------------------------------------------
	213	c On initialise la pression et la fonction d'Exner :
	214	c --------------------------------------------------
	215
[1454]	216	dq(:,:,:)=0.
[524]	217	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1625]	218	if (pressure_exner) then
[2021]	219	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1625]	220	else
[2021]	221	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	222	endif
[524]	223
	224	c-----------------------------------------------------------------------
	225	c Debut de l'integration temporelle:
	226	c ----------------------------------
	227
[1614]	228	1 CONTINUE ! Matsuno Forward step begins here
[524]	229
[2375]	230	c date: (NB: date remains unchanged for Backward step)
	231	c -----
	232
[1577]	233	jD_cur = jD_ref + day_ini - day_ref + &
[2375]	234	& (itau+1)/day_step
[1577]	235	jH_cur = jH_ref + start_time + &
[2375]	236	& mod(itau+1,day_step)/float(day_step)
[1577]	237	jD_cur = jD_cur + int(jH_cur)
	238	jH_cur = jH_cur - int(jH_cur)
[524]	239
[4368]	240	call check_isotopes_seq(q,ip1jmp1,'leapfrog 321')
[1279]	241
[524]	242	#ifdef CPP_IOIPSL
[1279]	243	if (ok_guide) then
	244	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
[524]	245	endif
	246	#endif
[1279]	247
	248
[524]	249	c
	250	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
	251	c CALL test_period ( ucov,vcov,teta,q,p,phis )
	252	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
	253	c ENDIF
	254	c
[1146]	255
	256	! Save fields obtained at previous time step as '...m1'
[524]	257	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
	258	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
	259	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
	260	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
	261	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
	262
	263	forward = .TRUE.
	264	leapf = .FALSE.
	265	dt = dtvr
	266
	267	c ... P.Le Van .26/04/94 ....
[1616]	268	! Ehouarn: finvmaold is actually not used
	269	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
	270	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
[524]	271
[4368]	272	call check_isotopes_seq(q,ip1jmp1,'leapfrog 400')
[2270]	273
[1614]	274	2 CONTINUE ! Matsuno backward or leapfrog step begins here
[524]	275
	276	c-----------------------------------------------------------------------
	277
[2375]	278	c date: (NB: only leapfrog step requires recomputing date)
[524]	279	c -----
	280
[2375]	281	IF (leapf) THEN
	282	jD_cur = jD_ref + day_ini - day_ref +
	283	& (itau+1)/day_step
	284	jH_cur = jH_ref + start_time +
	285	& mod(itau+1,day_step)/float(day_step)
	286	jD_cur = jD_cur + int(jH_cur)
	287	jH_cur = jH_cur - int(jH_cur)
	288	ENDIF
[524]	289
[2375]	290
[524]	291	c gestion des appels de la physique et des dissipations:
	292	c ------------------------------------------------------
	293	c
	294	c ... P.Le Van ( 6/02/95 ) ....
	295
	296	apphys = .FALSE.
	297	statcl = .FALSE.
	298	conser = .FALSE.
	299	apdiss = .FALSE.
	300
	301	IF( purmats ) THEN
[1403]	302	! Purely Matsuno time stepping
[524]	303	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
[1502]	304	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
	305	s apdiss = .TRUE.
[524]	306	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
[1529]	307	s .and. physic ) apphys = .TRUE.
[524]	308	ELSE
[1403]	309	! Leapfrog/Matsuno time stepping
[524]	310	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
[1502]	311	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
	312	s apdiss = .TRUE.
[1529]	313	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
[524]	314	END IF
	315
[1403]	316	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
	317	! supress dissipation step
	318	if (llm.eq.1) then
	319	apdiss=.false.
	320	endif
	321
[2270]	322
[4368]	323	call check_isotopes_seq(q,ip1jmp1,'leapfrog 589')
[2270]	324
[524]	325	c-----------------------------------------------------------------------
	326	c calcul des tendances dynamiques:
	327	c --------------------------------
	328
[1614]	329	! compute geopotential phi()
[524]	330	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	331
[1279]	332	time = jD_cur + jH_cur
[524]	333	CALL caldyn
	334	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
[1279]	335	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
[524]	336
[1279]	337
[524]	338	c-----------------------------------------------------------------------
	339	c calcul des tendances advection des traceurs (dont l'humidite)
	340	c -------------------------------------------------------------
	341
[4368]	342	call check_isotopes_seq(q,ip1jmp1,
[2270]	343	& 'leapfrog 686: avant caladvtrac')
	344
[524]	345	IF( forward. OR . leapf ) THEN
[1987]	346	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
[960]	347	CALL caladvtrac(q,pbaru,pbarv,
	348	* p, masse, dq, teta,
	349	. flxw, pk)
[2286]	350	!write(,) 'caladvtrac 346'
[2270]	351
[960]	352
[524]	353	IF (offline) THEN
	354	Cmaf stokage du flux de masse pour traceurs OFF-LINE
	355
	356	#ifdef CPP_IOIPSL
[541]	357	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
	358	. dtvr, itau)
[524]	359	#endif
	360
	361
[1146]	362	ENDIF ! of IF (offline)
[524]	363	c
[1146]	364	ENDIF ! of IF( forward. OR . leapf )
[524]	365
	366
	367	c-----------------------------------------------------------------------
	368	c integrations dynamique et traceurs:
	369	c ----------------------------------
	370
[4368]	371	CALL msg('720', modname, isoCheck)
	372	call check_isotopes_seq(q,ip1jmp1,'leapfrog 756')
[2270]	373
	374	CALL integrd ( nqtot,vcovm1,ucovm1,tetam1,psm1,massem1 ,
[1616]	375	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
	376	! $ finvmaold )
[524]	377
[4368]	378	CALL msg('724', modname, isoCheck)
	379	call check_isotopes_seq(q,ip1jmp1,'leapfrog 762')
[524]	380
	381	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
	382	c
	383	c-----------------------------------------------------------------------
	384	c calcul des tendances physiques:
	385	c -------------------------------
	386	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
	387	c
	388	IF( purmats ) THEN
	389	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
	390	ELSE
	391	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
	392	ENDIF
	393	c
	394	c
	395	IF( apphys ) THEN
	396	c
	397	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
	398	c
	399
	400	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1625]	401	if (pressure_exner) then
[2021]	402	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
[1625]	403	else
[2021]	404	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	405	endif
[524]	406
[2039]	407	! Appel a geopot ajoute le 2014/05/08 pour garantir la convergence numerique
	408	! avec dyn3dmem
	409	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	410
[1279]	411	! rdaym_ini = itau * dtvr / daysec
	412	! rdayvrai = rdaym_ini + day_ini
[1577]	413	! jD_cur = jD_ref + day_ini - day_ref
	414	! $ + int (itau * dtvr / daysec)
	415	! jH_cur = jH_ref + &
	416	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
	417	jD_cur = jD_ref + day_ini - day_ref + &
[2375]	418	& (itau+1)/day_step
[1676]	419
	420	IF (planet_type .eq."generic") THEN
	421	! AS: we make jD_cur to be pday
	422	jD_cur = int(day_ini + itau/day_step)
	423	ENDIF
	424
[1577]	425	jH_cur = jH_ref + start_time + &
[2375]	426	& mod(itau+1,day_step)/float(day_step)
[1577]	427	jD_cur = jD_cur + int(jH_cur)
	428	jH_cur = jH_cur - int(jH_cur)
[1279]	429	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
	430	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
	431	! write(lunout,*)'current date = ',an, mois, jour, secondes
[524]	432
	433	c rajout debug
	434	c lafin = .true.
	435
	436
	437	c Inbterface avec les routines de phylmd (phymars ... )
	438	c -----------------------------------------------------
	439
	440	c+jld
	441
[4368]	442	c Diagnostique de conservation de l'energie : initialisation
[1146]	443	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	444	ztit='bil dyn'
[2302]	445	! Ehouarn: be careful, diagedyn is Earth-specific!
[1146]	446	IF (planet_type.eq."earth") THEN
	447	CALL diagedyn(ztit,2,1,1,dtphys
	448	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	449	ENDIF
	450	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
[524]	451	c-jld
[1146]	452	#ifdef CPP_IOIPSL
[1656]	453	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
	454	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
	455	c IF (first) THEN
	456	c first=.false.
	457	c#include "ini_paramLMDZ_dyn.h"
	458	c ENDIF
[692]	459	c
[1656]	460	c#include "write_paramLMDZ_dyn.h"
[692]	461	c
[1146]	462	#endif
	463	! #endif of #ifdef CPP_IOIPSL
[2239]	464	#ifdef CPP_PHYS
[1279]	465	CALL calfis( lafin , jD_cur, jH_cur,
[524]	466	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
[960]	467	$ du,dv,dteta,dq,
[2221]	468	$ flxw,dufi,dvfi,dtetafi,dqfi,dpfi )
[2239]	469	#endif
[524]	470	c ajout des tendances physiques:
	471	c ------------------------------
[1146]	472	CALL addfi( dtphys, leapf, forward ,
[524]	473	$ ucov, vcov, teta , q ,ps ,
	474	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1987]	475	! since addfi updates ps(), also update p(), masse() and pk()
	476	CALL pression (ip1jmp1,ap,bp,ps,p)
	477	CALL massdair(p,masse)
	478	if (pressure_exner) then
[2021]	479	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
[1987]	480	else
[2021]	481	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
[1987]	482	endif
[1793]	483
	484	IF (ok_strato) THEN
	485	CALL top_bound( vcov,ucov,teta,masse,dtphys)
	486	ENDIF
	487
[524]	488	c
[4368]	489	c Diagnostique de conservation de l'energie : difference
[1146]	490	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	491	ztit='bil phys'
[1146]	492	IF (planet_type.eq."earth") THEN
	493	CALL diagedyn(ztit,2,1,1,dtphys
	494	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	495	ENDIF
	496	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
	497
[1060]	498	ENDIF ! of IF( apphys )
[524]	499
[1146]	500	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
[1454]	501	! Academic case : Simple friction and Newtonan relaxation
	502	! -------------------------------------------------------
	503	DO l=1,llm
	504	DO ij=1,ip1jmp1
	505	teta(ij,l)=teta(ij,l)-dtvr*
	506	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
	507	ENDDO
	508	ENDDO ! of DO l=1,llm
	509
[1505]	510	if (planet_type.eq."giant") then
	511	! add an intrinsic heat flux at the base of the atmosphere
	512	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
	513	endif
	514
	515	call friction(ucov,vcov,dtvr)
	516
[1454]	517	! Sponge layer (if any)
	518	IF (ok_strato) THEN
[1793]	519	! dufi(:,:)=0.
	520	! dvfi(:,:)=0.
	521	! dtetafi(:,:)=0.
	522	! dqfi(:,:,:)=0.
	523	! dpfi(:)=0.
	524	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
	525	CALL top_bound( vcov,ucov,teta,masse,dtvr)
	526	! CALL addfi( dtvr, leapf, forward ,
	527	! $ ucov, vcov, teta , q ,ps ,
	528	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1454]	529	ENDIF ! of IF (ok_strato)
	530	ENDIF ! of IF (iflag_phys.EQ.2)
[524]	531
	532
	533	c-jld
	534
	535	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1625]	536	if (pressure_exner) then
[2021]	537	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1625]	538	else
[2021]	539	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	540	endif
[1987]	541	CALL massdair(p,masse)
[524]	542
[4368]	543	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1196')
[524]	544
	545	c-----------------------------------------------------------------------
	546	c dissipation horizontale et verticale des petites echelles:
	547	c ----------------------------------------------------------
	548
	549	IF(apdiss) THEN
	550
	551
	552	c calcul de l'energie cinetique avant dissipation
	553	call covcont(llm,ucov,vcov,ucont,vcont)
	554	call enercin(vcov,ucov,vcont,ucont,ecin0)
	555
	556	c dissipation
	557	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
	558	ucov=ucov+dudis
	559	vcov=vcov+dvdis
	560	c teta=teta+dtetadis
	561
	562
	563	c------------------------------------------------------------------------
	564	if (dissip_conservative) then
	565	C On rajoute la tendance due a la transform. Ec -> E therm. cree
	566	C lors de la dissipation
	567	call covcont(llm,ucov,vcov,ucont,vcont)
	568	call enercin(vcov,ucov,vcont,ucont,ecin)
	569	dtetaecdt= (ecin0-ecin)/ pk
	570	c teta=teta+dtetaecdt
	571	dtetadis=dtetadis+dtetaecdt
	572	endif
	573	teta=teta+dtetadis
	574	c------------------------------------------------------------------------
	575
	576
	577	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
	578	c ... Calcul de la valeur moyenne, unique de h aux poles .....
	579	c
	580
	581	DO l = 1, llm
	582	DO ij = 1,iim
	583	tppn(ij) = aire( ij ) * teta( ij ,l)
	584	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
	585	ENDDO
	586	tpn = SSUM(iim,tppn,1)/apoln
	587	tps = SSUM(iim,tpps,1)/apols
	588
	589	DO ij = 1, iip1
	590	teta( ij ,l) = tpn
	591	teta(ij+ip1jm,l) = tps
	592	ENDDO
	593	ENDDO
	594
[1614]	595	if (1 == 0) then
	596	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
	597	!!! 2) should probably not be here anyway
	598	!!! but are kept for those who would want to revert to previous behaviour
	599	DO ij = 1,iim
	600	tppn(ij) = aire( ij ) * ps ( ij )
	601	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
	602	ENDDO
	603	tpn = SSUM(iim,tppn,1)/apoln
	604	tps = SSUM(iim,tpps,1)/apols
[524]	605
[1614]	606	DO ij = 1, iip1
	607	ps( ij ) = tpn
	608	ps(ij+ip1jm) = tps
	609	ENDDO
	610	endif ! of if (1 == 0)
[524]	611
[1146]	612	END IF ! of IF(apdiss)
[524]	613
	614	c ajout debug
	615	c IF( lafin ) then
	616	c abort_message = 'Simulation finished'
	617	c call abort_gcm(modname,abort_message,0)
	618	c ENDIF
	619
	620	c ********************************************************************
	621	c ********************************************************************
	622	c .... fin de l'integration dynamique et physique pour le pas itau ..
	623	c ********************************************************************
	624	c ********************************************************************
	625
	626	c preparation du pas d'integration suivant ......
	627
[4368]	628	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1509')
[2270]	629
[524]	630	IF ( .NOT.purmats ) THEN
	631	c ........................................................
	632	c .............. schema matsuno + leapfrog ..............
	633	c ........................................................
	634
	635	IF(forward. OR. leapf) THEN
	636	itau= itau + 1
[1403]	637	c iday= day_ini+itau/day_step
	638	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	639	c IF(time.GT.1.) THEN
	640	c time = time-1.
	641	c iday = iday+1
	642	c ENDIF
[524]	643	ENDIF
	644
	645
	646	IF( itau. EQ. itaufinp1 ) then
[999]	647	if (flag_verif) then
[1279]	648	write(79,*) 'ucov',ucov
	649	write(80,*) 'vcov',vcov
	650	write(81,*) 'teta',teta
	651	write(82,*) 'ps',ps
	652	write(83,*) 'q',q
[999]	653	WRITE(85,*) 'q1 = ',q(:,:,1)
	654	WRITE(86,*) 'q3 = ',q(:,:,3)
	655	endif
[524]	656
	657	abort_message = 'Simulation finished'
	658
	659	call abort_gcm(modname,abort_message,0)
	660	ENDIF
	661	c-----------------------------------------------------------------------
	662	c ecriture du fichier histoire moyenne:
	663	c -------------------------------------
	664
	665	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
	666	IF(itau.EQ.itaufin) THEN
	667	iav=1
	668	ELSE
	669	iav=0
	670	ENDIF
[1146]	671
[2475]	672	! ! Ehouarn: re-compute geopotential for outputs
	673	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	674
[1146]	675	IF (ok_dynzon) THEN
[524]	676	#ifdef CPP_IOIPSL
[1403]	677	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	678	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	679	#endif
[1146]	680	END IF
[1403]	681	IF (ok_dyn_ave) THEN
	682	#ifdef CPP_IOIPSL
	683	CALL writedynav(itau,vcov,
	684	& ucov,teta,pk,phi,q,masse,ps,phis)
	685	#endif
	686	ENDIF
[524]	687
[1403]	688	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
[524]	689
[4368]	690	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1584')
[2270]	691
[524]	692	c-----------------------------------------------------------------------
	693	c ecriture de la bande histoire:
	694	c ------------------------------
	695
[1403]	696	IF( MOD(itau,iecri).EQ.0) THEN
	697	! Ehouarn: output only during LF or Backward Matsuno
[2600]	698	if (leapf.or.(.not.leapf.and.(.not.forward))) then
[1146]	699	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	700	unat=0.
	701	do l=1,llm
	702	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	703	vnat(:,l)=vcov(:,l)/cv(:)
	704	enddo
[524]	705	#ifdef CPP_IOIPSL
[1403]	706	if (ok_dyn_ins) then
	707	! write(lunout,*) "leapfrog: call writehist, itau=",itau
[2600]	708	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
[1403]	709	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
	710	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
	711	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
	712	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
	713	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
	714	endif ! of if (ok_dyn_ins)
[1146]	715	#endif
	716	! For some Grads outputs of fields
[1403]	717	if (output_grads_dyn) then
[524]	718	#include "write_grads_dyn.h"
[1403]	719	endif
	720	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
[1146]	721	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
[524]	722
	723	IF(itau.EQ.itaufin) THEN
	724
	725
[1454]	726	! if (planet_type.eq."earth") then
[1146]	727	! Write an Earth-format restart file
[1577]	728	CALL dynredem1("restart.nc",start_time,
[1146]	729	& vcov,ucov,teta,q,masse,ps)
[1454]	730	! endif ! of if (planet_type.eq."earth")
[524]	731
	732	CLOSE(99)
[4013]	733	if (ok_guide) then
	734	! set ok_guide to false to avoid extra output
	735	! in following forward step
	736	ok_guide=.false.
	737	endif
[1614]	738	!!! Ehouarn: Why not stop here and now?
[1146]	739	ENDIF ! of IF (itau.EQ.itaufin)
[524]	740
	741	c-----------------------------------------------------------------------
	742	c gestion de l'integration temporelle:
	743	c ------------------------------------
	744
	745	IF( MOD(itau,iperiod).EQ.0 ) THEN
	746	GO TO 1
	747	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
	748
	749	IF( forward ) THEN
	750	c fin du pas forward et debut du pas backward
	751
	752	forward = .FALSE.
	753	leapf = .FALSE.
	754	GO TO 2
	755
	756	ELSE
	757	c fin du pas backward et debut du premier pas leapfrog
	758
	759	leapf = .TRUE.
	760	dt = 2.*dtvr
[1146]	761	GO TO 2
	762	END IF ! of IF (forward)
[524]	763	ELSE
	764
	765	c ...... pas leapfrog .....
	766
	767	leapf = .TRUE.
	768	dt = 2.*dtvr
	769	GO TO 2
[1146]	770	END IF ! of IF (MOD(itau,iperiod).EQ.0)
	771	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
[524]	772
[1146]	773	ELSE ! of IF (.not.purmats)
[524]	774
[4368]	775	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1664')
[2270]	776
[524]	777	c ........................................................
	778	c .............. schema matsuno ...............
	779	c ........................................................
	780	IF( forward ) THEN
	781
	782	itau = itau + 1
[1403]	783	c iday = day_ini+itau/day_step
	784	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	785	c
	786	c IF(time.GT.1.) THEN
	787	c time = time-1.
	788	c iday = iday+1
	789	c ENDIF
[524]	790
	791	forward = .FALSE.
	792	IF( itau. EQ. itaufinp1 ) then
	793	abort_message = 'Simulation finished'
	794	call abort_gcm(modname,abort_message,0)
	795	ENDIF
	796	GO TO 2
	797
[1403]	798	ELSE ! of IF(forward) i.e. backward step
[2270]	799
[4368]	800	call check_isotopes_seq(q,ip1jmp1,'leapfrog 1698')
[524]	801
[1146]	802	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
[524]	803	IF(itau.EQ.itaufin) THEN
	804	iav=1
	805	ELSE
	806	iav=0
	807	ENDIF
[1146]	808
[2475]	809	! ! Ehouarn: re-compute geopotential for outputs
	810	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	811
[1146]	812	IF (ok_dynzon) THEN
[524]	813	#ifdef CPP_IOIPSL
[1403]	814	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	815	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	816	#endif
[1403]	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
[524]	824
[1146]	825	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
[524]	826
[1146]	827	IF(MOD(itau,iecri ).EQ.0) THEN
[524]	828	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
[1146]	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
[524]	835	#ifdef CPP_IOIPSL
[1403]	836	if (ok_dyn_ins) then
	837	! write(lunout,*) "leapfrog: call writehist (b)",
	838	! & itau,iecri
[2600]	839	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
[1403]	840	endif ! of if (ok_dyn_ins)
[1146]	841	#endif
	842	! For some Grads outputs
	843	if (output_grads_dyn) then
[524]	844	#include "write_grads_dyn.h"
[1146]	845	endif
[524]	846
[1146]	847	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
[524]	848
[1146]	849	IF(itau.EQ.itaufin) THEN
[1454]	850	! if (planet_type.eq."earth") then
[1577]	851	CALL dynredem1("restart.nc",start_time,
[1146]	852	& vcov,ucov,teta,q,masse,ps)
[1454]	853	! endif ! of if (planet_type.eq."earth")
[4013]	854	if (ok_guide) then
	855	! set ok_guide to false to avoid extra output
	856	! in following forward step
	857	ok_guide=.false.
	858	endif
[1146]	859	ENDIF ! of IF(itau.EQ.itaufin)
[524]	860
[1146]	861	forward = .TRUE.
	862	GO TO 1
[524]	863
[1146]	864	ENDIF ! of IF (forward)
[524]	865
[1146]	866	END IF ! of IF(.not.purmats)
[524]	867
	868	END

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