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leapfrog.F @ 2038

Last change on this file since 2038 was 2038, checked in by fhourdin, 11 years ago
Possibilité d'imposer le nombre de pas de temps de la simulation avec nday<0 If nday<0, nday is the total number of time step of the simulation
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: 26.2 KB

Rev	Line
[524]	1	!
[1279]	2	! $Id: leapfrog.F 2038 2014-05-07 09:05:48Z fhourdin $
	3	!
[524]	4	c
	5	c
[1146]	6	SUBROUTINE leapfrog(ucov,vcov,teta,ps,masse,phis,q,clesphy0,
[559]	7	& time_0)
[524]	8
	9
[692]	10	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
[1146]	11	#ifdef CPP_IOIPSL
	12	use IOIPSL
	13	#endif
[1987]	14	USE infotrac, ONLY: nqtot
[1279]	15	USE guide_mod, ONLY : guide_main
[1987]	16	USE write_field, ONLY: writefield
	17	USE control_mod, ONLY: nday, day_step, planet_type, offline,
	18	& iconser, iphysiq, iperiod, dissip_period,
	19	& iecri, ip_ebil_dyn, ok_dynzon, ok_dyn_ins,
	20	& periodav, ok_dyn_ave, output_grads_dyn
[2021]	21	use exner_hyb_m, only: exner_hyb
	22	use exner_milieu_m, only: exner_milieu
	23
[524]	24	IMPLICIT NONE
	25
	26	c ...... Version du 10/01/98 ..........
	27
	28	c avec coordonnees verticales hybrides
	29	c avec nouveaux operat. dissipation * ( gradiv2,divgrad2,nxgraro2 )
	30
	31	c=======================================================================
	32	c
	33	c Auteur: P. Le Van /L. Fairhead/F.Hourdin
	34	c -------
	35	c
	36	c Objet:
	37	c ------
	38	c
	39	c GCM LMD nouvelle grille
	40	c
	41	c=======================================================================
	42	c
	43	c ... Dans inigeom , nouveaux calculs pour les elongations cu , cv
	44	c et possibilite d'appeler une fonction f(y) a derivee tangente
	45	c hyperbolique a la place de la fonction a derivee sinusoidale.
	46
	47	c ... Possibilite de choisir le shema pour l'advection de
	48	c q , en modifiant iadv dans traceur.def (10/02) .
	49	c
	50	c Pour Van-Leer + Vapeur d'eau saturee, iadv(1)=4. (F.Codron,10/99)
	51	c Pour Van-Leer iadv=10
	52	c
	53	c-----------------------------------------------------------------------
	54	c Declarations:
	55	c -------------
	56
	57	#include "dimensions.h"
	58	#include "paramet.h"
	59	#include "comconst.h"
	60	#include "comdissnew.h"
	61	#include "comvert.h"
	62	#include "comgeom.h"
	63	#include "logic.h"
	64	#include "temps.h"
	65	#include "ener.h"
	66	#include "description.h"
	67	#include "serre.h"
[1403]	68	!#include "com_io_dyn.h"
[524]	69	#include "iniprint.h"
	70	#include "academic.h"
	71
[956]	72	! FH 2008/05/09 On elimine toutes les clefs physiques dans la dynamique
	73	! #include "clesphys.h"
[692]	74
[1987]	75	INTEGER,PARAMETER :: longcles = 20
	76	REAL,INTENT(IN) :: clesphy0( longcles ) ! not used
	77	REAL,INTENT(IN) :: time_0 ! not used
[524]	78
[1987]	79	c dynamical variables:
	80	REAL,INTENT(INOUT) :: ucov(ip1jmp1,llm) ! zonal covariant wind
	81	REAL,INTENT(INOUT) :: vcov(ip1jm,llm) ! meridional covariant wind
	82	REAL,INTENT(INOUT) :: teta(ip1jmp1,llm) ! potential temperature
	83	REAL,INTENT(INOUT) :: ps(ip1jmp1) ! surface pressure (Pa)
	84	REAL,INTENT(INOUT) :: masse(ip1jmp1,llm) ! air mass
	85	REAL,INTENT(INOUT) :: phis(ip1jmp1) ! geopotentiat at the surface
	86	REAL,INTENT(INOUT) :: q(ip1jmp1,llm,nqtot) ! advected tracers
	87
	88	REAL p (ip1jmp1,llmp1 ) ! interlayer pressure
	89	REAL pks(ip1jmp1) ! exner at the surface
	90	REAL pk(ip1jmp1,llm) ! exner at mid-layer
	91	REAL pkf(ip1jmp1,llm) ! filtered exner at mid-layer
	92	REAL phi(ip1jmp1,llm) ! geopotential
	93	REAL w(ip1jmp1,llm) ! vertical velocity
	94
[524]	95	real zqmin,zqmax
	96
	97	c variables dynamiques intermediaire pour le transport
	98	REAL pbaru(ip1jmp1,llm),pbarv(ip1jm,llm) !flux de masse
	99
	100	c variables dynamiques au pas -1
	101	REAL vcovm1(ip1jm,llm),ucovm1(ip1jmp1,llm)
	102	REAL tetam1(ip1jmp1,llm),psm1(ip1jmp1)
	103	REAL massem1(ip1jmp1,llm)
	104
	105	c tendances dynamiques
	106	REAL dv(ip1jm,llm),du(ip1jmp1,llm)
[1146]	107	REAL dteta(ip1jmp1,llm),dq(ip1jmp1,llm,nqtot),dp(ip1jmp1)
[524]	108
	109	c tendances de la dissipation
	110	REAL dvdis(ip1jm,llm),dudis(ip1jmp1,llm)
	111	REAL dtetadis(ip1jmp1,llm)
	112
	113	c tendances physiques
	114	REAL dvfi(ip1jm,llm),dufi(ip1jmp1,llm)
[1146]	115	REAL dtetafi(ip1jmp1,llm),dqfi(ip1jmp1,llm,nqtot),dpfi(ip1jmp1)
[524]	116
	117	c variables pour le fichier histoire
	118	REAL dtav ! intervalle de temps elementaire
	119
	120	REAL tppn(iim),tpps(iim),tpn,tps
	121	c
	122	INTEGER itau,itaufinp1,iav
[1279]	123	! INTEGER iday ! jour julien
	124	REAL time
[524]	125
	126	REAL SSUM
[1616]	127	! REAL finvmaold(ip1jmp1,llm)
[524]	128
[566]	129	cym LOGICAL lafin
	130	LOGICAL :: lafin=.false.
[524]	131	INTEGER ij,iq,l
	132	INTEGER ik
	133
	134	real time_step, t_wrt, t_ops
	135
[1279]	136	! REAL rdayvrai,rdaym_ini
	137	! jD_cur: jour julien courant
	138	! jH_cur: heure julienne courante
	139	REAL :: jD_cur, jH_cur
	140	INTEGER :: an, mois, jour
	141	REAL :: secondes
	142
[524]	143	LOGICAL first,callinigrads
[692]	144	cIM : pour sortir les param. du modele dans un fis. netcdf 110106
	145	save first
	146	data first/.true./
[1279]	147	real dt_cum
[692]	148	character*10 infile
	149	integer zan, tau0, thoriid
	150	integer nid_ctesGCM
	151	save nid_ctesGCM
	152	real degres
	153	real rlong(iip1), rlatg(jjp1)
	154	real zx_tmp_2d(iip1,jjp1)
	155	integer ndex2d(iip1*jjp1)
	156	logical ok_sync
	157	parameter (ok_sync = .true.)
[1529]	158	logical physic
[524]	159
	160	data callinigrads/.true./
	161	character*10 string10
	162
[960]	163	REAL :: flxw(ip1jmp1,llm) ! flux de masse verticale
[524]	164
	165	c+jld variables test conservation energie
	166	REAL ecin(ip1jmp1,llm),ecin0(ip1jmp1,llm)
	167	C Tendance de la temp. potentiel d (theta)/ d t due a la
	168	C tansformation d'energie cinetique en energie thermique
	169	C cree par la dissipation
	170	REAL dtetaecdt(ip1jmp1,llm)
	171	REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm)
	172	REAL vnat(ip1jm,llm),unat(ip1jmp1,llm)
	173	REAL d_h_vcol, d_qt, d_qw, d_ql, d_ec
	174	CHARACTER*15 ztit
[692]	175	!IM INTEGER ip_ebil_dyn ! PRINT level for energy conserv. diag.
	176	!IM SAVE ip_ebil_dyn
	177	!IM DATA ip_ebil_dyn/0/
[524]	178	c-jld
	179
	180	character*80 dynhist_file, dynhistave_file
[1520]	181	character(len=*),parameter :: modname="leapfrog"
[524]	182	character*80 abort_message
	183
	184	logical dissip_conservative
	185	save dissip_conservative
	186	data dissip_conservative/.true./
	187
	188	LOGICAL prem
	189	save prem
	190	DATA prem/.true./
	191	INTEGER testita
	192	PARAMETER (testita = 9)
	193
[1286]	194	logical , parameter :: flag_verif = .false.
[999]	195
	196
[825]	197	integer itau_w ! pas de temps ecriture = itap + itau_phy
	198
	199
[2038]	200	if (nday>=0) then
	201	itaufin = nday*day_step
	202	else
	203	itaufin = -nday
	204	endif
[524]	205	itaufinp1 = itaufin +1
[1529]	206	itau = 0
	207	physic=.true.
	208	if (iflag_phys==0.or.iflag_phys==2) physic=.false.
[524]	209
[1403]	210	c iday = day_ini+itau/day_step
	211	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	212	c IF(time.GT.1.) THEN
	213	c time = time-1.
	214	c iday = iday+1
	215	c ENDIF
[524]	216
	217
	218	c-----------------------------------------------------------------------
	219	c On initialise la pression et la fonction d'Exner :
	220	c --------------------------------------------------
	221
[1454]	222	dq(:,:,:)=0.
[524]	223	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1625]	224	if (pressure_exner) then
[2021]	225	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1625]	226	else
[2021]	227	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	228	endif
[524]	229
	230	c-----------------------------------------------------------------------
	231	c Debut de l'integration temporelle:
	232	c ----------------------------------
	233
[1614]	234	1 CONTINUE ! Matsuno Forward step begins here
[524]	235
[1577]	236	jD_cur = jD_ref + day_ini - day_ref + &
[1626]	237	& itau/day_step
[1577]	238	jH_cur = jH_ref + start_time + &
[1626]	239	& mod(itau,day_step)/float(day_step)
[1577]	240	jD_cur = jD_cur + int(jH_cur)
	241	jH_cur = jH_cur - int(jH_cur)
[524]	242
[1279]	243
[524]	244	#ifdef CPP_IOIPSL
[1279]	245	if (ok_guide) then
	246	call guide_main(itau,ucov,vcov,teta,q,masse,ps)
[524]	247	endif
	248	#endif
[1279]	249
	250
[524]	251	c
	252	c IF( MOD( itau, 10* day_step ).EQ.0 ) THEN
	253	c CALL test_period ( ucov,vcov,teta,q,p,phis )
	254	c PRINT *,' ---- Test_period apres continue OK ! -----', itau
	255	c ENDIF
	256	c
[1146]	257
	258	! Save fields obtained at previous time step as '...m1'
[524]	259	CALL SCOPY( ijmllm ,vcov , 1, vcovm1 , 1 )
	260	CALL SCOPY( ijp1llm,ucov , 1, ucovm1 , 1 )
	261	CALL SCOPY( ijp1llm,teta , 1, tetam1 , 1 )
	262	CALL SCOPY( ijp1llm,masse, 1, massem1, 1 )
	263	CALL SCOPY( ip1jmp1, ps , 1, psm1 , 1 )
	264
	265	forward = .TRUE.
	266	leapf = .FALSE.
	267	dt = dtvr
	268
	269	c ... P.Le Van .26/04/94 ....
[1616]	270	! Ehouarn: finvmaold is actually not used
	271	! CALL SCOPY ( ijp1llm, masse, 1, finvmaold, 1 )
	272	! CALL filtreg ( finvmaold ,jjp1, llm, -2,2, .TRUE., 1 )
[524]	273
[1614]	274	2 CONTINUE ! Matsuno backward or leapfrog step begins here
[524]	275
	276	c-----------------------------------------------------------------------
	277
	278	c date:
	279	c -----
	280
	281
	282	c gestion des appels de la physique et des dissipations:
	283	c ------------------------------------------------------
	284	c
	285	c ... P.Le Van ( 6/02/95 ) ....
	286
	287	apphys = .FALSE.
	288	statcl = .FALSE.
	289	conser = .FALSE.
	290	apdiss = .FALSE.
	291
	292	IF( purmats ) THEN
[1403]	293	! Purely Matsuno time stepping
[524]	294	IF( MOD(itau,iconser) .EQ.0.AND. forward ) conser = .TRUE.
[1502]	295	IF( MOD(itau,dissip_period ).EQ.0.AND..NOT.forward )
	296	s apdiss = .TRUE.
[524]	297	IF( MOD(itau,iphysiq ).EQ.0.AND..NOT.forward
[1529]	298	s .and. physic ) apphys = .TRUE.
[524]	299	ELSE
[1403]	300	! Leapfrog/Matsuno time stepping
[524]	301	IF( MOD(itau ,iconser) .EQ. 0 ) conser = .TRUE.
[1502]	302	IF( MOD(itau+1,dissip_period).EQ.0 .AND. .NOT. forward )
	303	s apdiss = .TRUE.
[1529]	304	IF( MOD(itau+1,iphysiq).EQ.0.AND.physic ) apphys=.TRUE.
[524]	305	END IF
	306
[1403]	307	! Ehouarn: for Shallow Water case (ie: 1 vertical layer),
	308	! supress dissipation step
	309	if (llm.eq.1) then
	310	apdiss=.false.
	311	endif
	312
[524]	313	c-----------------------------------------------------------------------
	314	c calcul des tendances dynamiques:
	315	c --------------------------------
	316
[1614]	317	! compute geopotential phi()
[524]	318	CALL geopot ( ip1jmp1, teta , pk , pks, phis , phi )
	319
[1279]	320	time = jD_cur + jH_cur
[524]	321	CALL caldyn
	322	$ ( itau,ucov,vcov,teta,ps,masse,pk,pkf,phis ,
[1279]	323	$ phi,conser,du,dv,dteta,dp,w, pbaru,pbarv, time )
[524]	324
[1279]	325
[524]	326	c-----------------------------------------------------------------------
	327	c calcul des tendances advection des traceurs (dont l'humidite)
	328	c -------------------------------------------------------------
	329
	330	IF( forward. OR . leapf ) THEN
[1987]	331	! Ehouarn: NB: fields sent to advtrac are those at the beginning of the time step
[960]	332	CALL caladvtrac(q,pbaru,pbarv,
	333	* p, masse, dq, teta,
	334	. flxw, pk)
	335
[524]	336	IF (offline) THEN
	337	Cmaf stokage du flux de masse pour traceurs OFF-LINE
	338
	339	#ifdef CPP_IOIPSL
[541]	340	CALL fluxstokenc(pbaru,pbarv,masse,teta,phi,phis,
	341	. dtvr, itau)
[524]	342	#endif
	343
	344
[1146]	345	ENDIF ! of IF (offline)
[524]	346	c
[1146]	347	ENDIF ! of IF( forward. OR . leapf )
[524]	348
	349
	350	c-----------------------------------------------------------------------
	351	c integrations dynamique et traceurs:
	352	c ----------------------------------
	353
	354
	355	CALL integrd ( 2,vcovm1,ucovm1,tetam1,psm1,massem1 ,
[1616]	356	$ dv,du,dteta,dq,dp,vcov,ucov,teta,q,ps,masse,phis )
	357	! $ finvmaold )
[524]	358
	359
	360	c .P.Le Van (26/04/94 ajout de finvpold dans l'appel d'integrd)
	361	c
	362	c-----------------------------------------------------------------------
	363	c calcul des tendances physiques:
	364	c -------------------------------
	365	c ######## P.Le Van ( Modif le 6/02/95 ) ###########
	366	c
	367	IF( purmats ) THEN
	368	IF( itau.EQ.itaufin.AND..NOT.forward ) lafin = .TRUE.
	369	ELSE
	370	IF( itau+1. EQ. itaufin ) lafin = .TRUE.
	371	ENDIF
	372	c
	373	c
	374	IF( apphys ) THEN
	375	c
	376	c ....... Ajout P.Le Van ( 17/04/96 ) ...........
	377	c
	378
	379	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1625]	380	if (pressure_exner) then
[2021]	381	CALL exner_hyb( ip1jmp1, ps, p,pks, pk, pkf )
[1625]	382	else
[2021]	383	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	384	endif
[524]	385
[1279]	386	! rdaym_ini = itau * dtvr / daysec
	387	! rdayvrai = rdaym_ini + day_ini
[1577]	388	! jD_cur = jD_ref + day_ini - day_ref
	389	! $ + int (itau * dtvr / daysec)
	390	! jH_cur = jH_ref + &
	391	! & (itau * dtvr / daysec - int(itau * dtvr / daysec))
	392	jD_cur = jD_ref + day_ini - day_ref + &
[1626]	393	& itau/day_step
[1676]	394
	395	IF (planet_type .eq."generic") THEN
	396	! AS: we make jD_cur to be pday
	397	jD_cur = int(day_ini + itau/day_step)
	398	ENDIF
	399
[1577]	400	jH_cur = jH_ref + start_time + &
[1626]	401	& mod(itau,day_step)/float(day_step)
[1577]	402	jD_cur = jD_cur + int(jH_cur)
	403	jH_cur = jH_cur - int(jH_cur)
[1279]	404	! write(lunout,*)'itau, jD_cur = ', itau, jD_cur, jH_cur
	405	! call ju2ymds(jD_cur+jH_cur, an, mois, jour, secondes)
	406	! write(lunout,*)'current date = ',an, mois, jour, secondes
[524]	407
	408	c rajout debug
	409	c lafin = .true.
	410
	411
	412	c Inbterface avec les routines de phylmd (phymars ... )
	413	c -----------------------------------------------------
	414
	415	c+jld
	416
	417	c Diagnostique de conservation de l'énergie : initialisation
[1146]	418	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	419	ztit='bil dyn'
[1146]	420	! Ehouarn: be careful, diagedyn is Earth-specific (includes ../phylmd/..)!
	421	IF (planet_type.eq."earth") THEN
[1615]	422	#ifdef CPP_EARTH
[1146]	423	CALL diagedyn(ztit,2,1,1,dtphys
	424	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
[1615]	425	#endif
[1146]	426	ENDIF
	427	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
[524]	428	c-jld
[1146]	429	#ifdef CPP_IOIPSL
[1656]	430	cIM decommenter les 6 lignes suivantes pour sortir quelques parametres dynamiques de LMDZ
	431	cIM uncomment next 6 lines to get some parameters for LMDZ dynamics
	432	c IF (first) THEN
	433	c first=.false.
	434	c#include "ini_paramLMDZ_dyn.h"
	435	c ENDIF
[692]	436	c
[1656]	437	c#include "write_paramLMDZ_dyn.h"
[692]	438	c
[1146]	439	#endif
	440	! #endif of #ifdef CPP_IOIPSL
[1279]	441	CALL calfis( lafin , jD_cur, jH_cur,
[524]	442	$ ucov,vcov,teta,q,masse,ps,p,pk,phis,phi ,
[960]	443	$ du,dv,dteta,dq,
[524]	444	$ flxw,
	445	$ clesphy0, dufi,dvfi,dtetafi,dqfi,dpfi )
	446
	447	c ajout des tendances physiques:
	448	c ------------------------------
[1146]	449	CALL addfi( dtphys, leapf, forward ,
[524]	450	$ ucov, vcov, teta , q ,ps ,
	451	$ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1987]	452	! since addfi updates ps(), also update p(), masse() and pk()
	453	CALL pression (ip1jmp1,ap,bp,ps,p)
	454	CALL massdair(p,masse)
	455	if (pressure_exner) then
[2021]	456	CALL exner_hyb(ip1jmp1,ps,p,pks,pk,pkf)
[1987]	457	else
[2021]	458	CALL exner_milieu(ip1jmp1,ps,p,pks,pk,pkf)
[1987]	459	endif
[1793]	460
	461	IF (ok_strato) THEN
	462	CALL top_bound( vcov,ucov,teta,masse,dtphys)
	463	ENDIF
	464
[524]	465	c
	466	c Diagnostique de conservation de l'énergie : difference
[1146]	467	IF (ip_ebil_dyn.ge.1 ) THEN
[524]	468	ztit='bil phys'
[1146]	469	IF (planet_type.eq."earth") THEN
	470	CALL diagedyn(ztit,2,1,1,dtphys
	471	& , ucov , vcov , ps, p ,pk , teta , q(:,:,1), q(:,:,2))
	472	ENDIF
	473	ENDIF ! of IF (ip_ebil_dyn.ge.1 )
	474
[1060]	475	ENDIF ! of IF( apphys )
[524]	476
[1146]	477	IF(iflag_phys.EQ.2) THEN ! "Newtonian" case
[1454]	478	! Academic case : Simple friction and Newtonan relaxation
	479	! -------------------------------------------------------
	480	DO l=1,llm
	481	DO ij=1,ip1jmp1
	482	teta(ij,l)=teta(ij,l)-dtvr*
	483	& (teta(ij,l)-tetarappel(ij,l))(knewt_g+knewt_t(l)clat4(ij))
	484	ENDDO
	485	ENDDO ! of DO l=1,llm
	486
[1505]	487	if (planet_type.eq."giant") then
	488	! add an intrinsic heat flux at the base of the atmosphere
	489	teta(:,1)=teta(:,1)+dtvraire(:)ihf/cpp/masse(:,1)
	490	endif
	491
	492	call friction(ucov,vcov,dtvr)
	493
[1454]	494	! Sponge layer (if any)
	495	IF (ok_strato) THEN
[1793]	496	! dufi(:,:)=0.
	497	! dvfi(:,:)=0.
	498	! dtetafi(:,:)=0.
	499	! dqfi(:,:,:)=0.
	500	! dpfi(:)=0.
	501	! CALL top_bound(vcov,ucov,teta,masse,dufi,dvfi,dtetafi)
	502	CALL top_bound( vcov,ucov,teta,masse,dtvr)
	503	! CALL addfi( dtvr, leapf, forward ,
	504	! $ ucov, vcov, teta , q ,ps ,
	505	! $ dufi, dvfi, dtetafi , dqfi ,dpfi )
[1454]	506	ENDIF ! of IF (ok_strato)
	507	ENDIF ! of IF (iflag_phys.EQ.2)
[524]	508
	509
	510	c-jld
	511
	512	CALL pression ( ip1jmp1, ap, bp, ps, p )
[1625]	513	if (pressure_exner) then
[2021]	514	CALL exner_hyb( ip1jmp1, ps, p, pks, pk, pkf )
[1625]	515	else
[2021]	516	CALL exner_milieu( ip1jmp1, ps, p, pks, pk, pkf )
[1520]	517	endif
[1987]	518	CALL massdair(p,masse)
[524]	519
	520
	521	c-----------------------------------------------------------------------
	522	c dissipation horizontale et verticale des petites echelles:
	523	c ----------------------------------------------------------
	524
	525	IF(apdiss) THEN
	526
	527
	528	c calcul de l'energie cinetique avant dissipation
	529	call covcont(llm,ucov,vcov,ucont,vcont)
	530	call enercin(vcov,ucov,vcont,ucont,ecin0)
	531
	532	c dissipation
	533	CALL dissip(vcov,ucov,teta,p,dvdis,dudis,dtetadis)
	534	ucov=ucov+dudis
	535	vcov=vcov+dvdis
	536	c teta=teta+dtetadis
	537
	538
	539	c------------------------------------------------------------------------
	540	if (dissip_conservative) then
	541	C On rajoute la tendance due a la transform. Ec -> E therm. cree
	542	C lors de la dissipation
	543	call covcont(llm,ucov,vcov,ucont,vcont)
	544	call enercin(vcov,ucov,vcont,ucont,ecin)
	545	dtetaecdt= (ecin0-ecin)/ pk
	546	c teta=teta+dtetaecdt
	547	dtetadis=dtetadis+dtetaecdt
	548	endif
	549	teta=teta+dtetadis
	550	c------------------------------------------------------------------------
	551
	552
	553	c ....... P. Le Van ( ajout le 17/04/96 ) ...........
	554	c ... Calcul de la valeur moyenne, unique de h aux poles .....
	555	c
	556
	557	DO l = 1, llm
	558	DO ij = 1,iim
	559	tppn(ij) = aire( ij ) * teta( ij ,l)
	560	tpps(ij) = aire(ij+ip1jm) * teta(ij+ip1jm,l)
	561	ENDDO
	562	tpn = SSUM(iim,tppn,1)/apoln
	563	tps = SSUM(iim,tpps,1)/apols
	564
	565	DO ij = 1, iip1
	566	teta( ij ,l) = tpn
	567	teta(ij+ip1jm,l) = tps
	568	ENDDO
	569	ENDDO
	570
[1614]	571	if (1 == 0) then
	572	!!! Ehouarn: lines here 1) kill 1+1=2 in the dynamics
	573	!!! 2) should probably not be here anyway
	574	!!! but are kept for those who would want to revert to previous behaviour
	575	DO ij = 1,iim
	576	tppn(ij) = aire( ij ) * ps ( ij )
	577	tpps(ij) = aire(ij+ip1jm) * ps (ij+ip1jm)
	578	ENDDO
	579	tpn = SSUM(iim,tppn,1)/apoln
	580	tps = SSUM(iim,tpps,1)/apols
[524]	581
[1614]	582	DO ij = 1, iip1
	583	ps( ij ) = tpn
	584	ps(ij+ip1jm) = tps
	585	ENDDO
	586	endif ! of if (1 == 0)
[524]	587
[1146]	588	END IF ! of IF(apdiss)
[524]	589
	590	c ajout debug
	591	c IF( lafin ) then
	592	c abort_message = 'Simulation finished'
	593	c call abort_gcm(modname,abort_message,0)
	594	c ENDIF
	595
	596	c ********************************************************************
	597	c ********************************************************************
	598	c .... fin de l'integration dynamique et physique pour le pas itau ..
	599	c ********************************************************************
	600	c ********************************************************************
	601
	602	c preparation du pas d'integration suivant ......
	603
	604	IF ( .NOT.purmats ) THEN
	605	c ........................................................
	606	c .............. schema matsuno + leapfrog ..............
	607	c ........................................................
	608
	609	IF(forward. OR. leapf) THEN
	610	itau= itau + 1
[1403]	611	c iday= day_ini+itau/day_step
	612	c time= REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	613	c IF(time.GT.1.) THEN
	614	c time = time-1.
	615	c iday = iday+1
	616	c ENDIF
[524]	617	ENDIF
	618
	619
	620	IF( itau. EQ. itaufinp1 ) then
[999]	621	if (flag_verif) then
[1279]	622	write(79,*) 'ucov',ucov
	623	write(80,*) 'vcov',vcov
	624	write(81,*) 'teta',teta
	625	write(82,*) 'ps',ps
	626	write(83,*) 'q',q
[999]	627	WRITE(85,*) 'q1 = ',q(:,:,1)
	628	WRITE(86,*) 'q3 = ',q(:,:,3)
	629	endif
[524]	630
	631	abort_message = 'Simulation finished'
	632
	633	call abort_gcm(modname,abort_message,0)
	634	ENDIF
	635	c-----------------------------------------------------------------------
	636	c ecriture du fichier histoire moyenne:
	637	c -------------------------------------
	638
	639	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
	640	IF(itau.EQ.itaufin) THEN
	641	iav=1
	642	ELSE
	643	iav=0
	644	ENDIF
[1146]	645
	646	IF (ok_dynzon) THEN
[524]	647	#ifdef CPP_IOIPSL
[1403]	648	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	649	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	650	#endif
[1146]	651	END IF
[1403]	652	IF (ok_dyn_ave) THEN
	653	#ifdef CPP_IOIPSL
	654	CALL writedynav(itau,vcov,
	655	& ucov,teta,pk,phi,q,masse,ps,phis)
	656	#endif
	657	ENDIF
[524]	658
[1403]	659	ENDIF ! of IF((MOD(itau,iperiod).EQ.0).OR.(itau.EQ.itaufin))
[524]	660
	661	c-----------------------------------------------------------------------
	662	c ecriture de la bande histoire:
	663	c ------------------------------
	664
[1403]	665	IF( MOD(itau,iecri).EQ.0) THEN
	666	! Ehouarn: output only during LF or Backward Matsuno
	667	if (leapf.or.(.not.leapf.and.(.not.forward))) then
[1146]	668	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	669	unat=0.
	670	do l=1,llm
	671	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	672	vnat(:,l)=vcov(:,l)/cv(:)
	673	enddo
[524]	674	#ifdef CPP_IOIPSL
[1403]	675	if (ok_dyn_ins) then
	676	! write(lunout,*) "leapfrog: call writehist, itau=",itau
	677	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
	678	! call WriteField('ucov',reshape(ucov,(/iip1,jmp1,llm/)))
	679	! call WriteField('vcov',reshape(vcov,(/iip1,jjm,llm/)))
	680	! call WriteField('teta',reshape(teta,(/iip1,jmp1,llm/)))
	681	! call WriteField('ps',reshape(ps,(/iip1,jmp1/)))
	682	! call WriteField('masse',reshape(masse,(/iip1,jmp1,llm/)))
	683	endif ! of if (ok_dyn_ins)
[1146]	684	#endif
	685	! For some Grads outputs of fields
[1403]	686	if (output_grads_dyn) then
[524]	687	#include "write_grads_dyn.h"
[1403]	688	endif
	689	endif ! of if (leapf.or.(.not.leapf.and.(.not.forward)))
[1146]	690	ENDIF ! of IF(MOD(itau,iecri).EQ.0)
[524]	691
	692	IF(itau.EQ.itaufin) THEN
	693
	694
[1454]	695	! if (planet_type.eq."earth") then
[1146]	696	! Write an Earth-format restart file
[1577]	697	CALL dynredem1("restart.nc",start_time,
[1146]	698	& vcov,ucov,teta,q,masse,ps)
[1454]	699	! endif ! of if (planet_type.eq."earth")
[524]	700
	701	CLOSE(99)
[1614]	702	!!! Ehouarn: Why not stop here and now?
[1146]	703	ENDIF ! of IF (itau.EQ.itaufin)
[524]	704
	705	c-----------------------------------------------------------------------
	706	c gestion de l'integration temporelle:
	707	c ------------------------------------
	708
	709	IF( MOD(itau,iperiod).EQ.0 ) THEN
	710	GO TO 1
	711	ELSE IF ( MOD(itau-1,iperiod). EQ. 0 ) THEN
	712
	713	IF( forward ) THEN
	714	c fin du pas forward et debut du pas backward
	715
	716	forward = .FALSE.
	717	leapf = .FALSE.
	718	GO TO 2
	719
	720	ELSE
	721	c fin du pas backward et debut du premier pas leapfrog
	722
	723	leapf = .TRUE.
	724	dt = 2.*dtvr
[1146]	725	GO TO 2
	726	END IF ! of IF (forward)
[524]	727	ELSE
	728
	729	c ...... pas leapfrog .....
	730
	731	leapf = .TRUE.
	732	dt = 2.*dtvr
	733	GO TO 2
[1146]	734	END IF ! of IF (MOD(itau,iperiod).EQ.0)
	735	! ELSEIF (MOD(itau-1,iperiod).EQ.0)
[524]	736
[1146]	737	ELSE ! of IF (.not.purmats)
[524]	738
	739	c ........................................................
	740	c .............. schema matsuno ...............
	741	c ........................................................
	742	IF( forward ) THEN
	743
	744	itau = itau + 1
[1403]	745	c iday = day_ini+itau/day_step
	746	c time = REAL(itau-(iday-day_ini)*day_step)/day_step+time_0
	747	c
	748	c IF(time.GT.1.) THEN
	749	c time = time-1.
	750	c iday = iday+1
	751	c ENDIF
[524]	752
	753	forward = .FALSE.
	754	IF( itau. EQ. itaufinp1 ) then
	755	abort_message = 'Simulation finished'
	756	call abort_gcm(modname,abort_message,0)
	757	ENDIF
	758	GO TO 2
	759
[1403]	760	ELSE ! of IF(forward) i.e. backward step
[524]	761
[1146]	762	IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin) THEN
[524]	763	IF(itau.EQ.itaufin) THEN
	764	iav=1
	765	ELSE
	766	iav=0
	767	ENDIF
[1146]	768
	769	IF (ok_dynzon) THEN
[524]	770	#ifdef CPP_IOIPSL
[1403]	771	CALL bilan_dyn(2,dtvriperiod,dtvrday_step*periodav,
	772	& ps,masse,pk,pbaru,pbarv,teta,phi,ucov,vcov,q)
[524]	773	#endif
[1403]	774	ENDIF
	775	IF (ok_dyn_ave) THEN
	776	#ifdef CPP_IOIPSL
	777	CALL writedynav(itau,vcov,
	778	& ucov,teta,pk,phi,q,masse,ps,phis)
	779	#endif
	780	ENDIF
[524]	781
[1146]	782	ENDIF ! of IF(MOD(itau,iperiod).EQ.0 .OR. itau.EQ.itaufin)
[524]	783
[1146]	784	IF(MOD(itau,iecri ).EQ.0) THEN
[524]	785	c IF(MOD(itau,iecri*day_step).EQ.0) THEN
[1146]	786	CALL geopot(ip1jmp1,teta,pk,pks,phis,phi)
	787	unat=0.
	788	do l=1,llm
	789	unat(iip2:ip1jm,l)=ucov(iip2:ip1jm,l)/cu(iip2:ip1jm)
	790	vnat(:,l)=vcov(:,l)/cv(:)
	791	enddo
[524]	792	#ifdef CPP_IOIPSL
[1403]	793	if (ok_dyn_ins) then
	794	! write(lunout,*) "leapfrog: call writehist (b)",
	795	! & itau,iecri
	796	CALL writehist(itau,vcov,ucov,teta,phi,q,masse,ps,phis)
	797	endif ! of if (ok_dyn_ins)
[1146]	798	#endif
	799	! For some Grads outputs
	800	if (output_grads_dyn) then
[524]	801	#include "write_grads_dyn.h"
[1146]	802	endif
[524]	803
[1146]	804	ENDIF ! of IF(MOD(itau,iecri ).EQ.0)
[524]	805
[1146]	806	IF(itau.EQ.itaufin) THEN
[1454]	807	! if (planet_type.eq."earth") then
[1577]	808	CALL dynredem1("restart.nc",start_time,
[1146]	809	& vcov,ucov,teta,q,masse,ps)
[1454]	810	! endif ! of if (planet_type.eq."earth")
[1146]	811	ENDIF ! of IF(itau.EQ.itaufin)
[524]	812
[1146]	813	forward = .TRUE.
	814	GO TO 1
[524]	815
[1146]	816	ENDIF ! of IF (forward)
[524]	817
[1146]	818	END IF ! of IF(.not.purmats)
[524]	819
	820	STOP
	821	END

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