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surf_land_orchidee_mod.F90 @ 1415

Last change on this file since 1415 was 1073, checked in by Laurent Fairhead, 15 years ago
Mise a jour de la branche par rapport au depot CVS JG/LF
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File size: 23.7 KB

Rev	Line
[781]	1	!
	2	MODULE surf_land_orchidee_mod
	3	!
	4	! This module controles the interface towards the model ORCHIDEE
	5	!
	6	! Subroutines in this module : surf_land_orchidee
	7	! Init_orchidee_index
	8	! Get_orchidee_communicator
	9	! Init_neighbours
	10	#ifdef CPP_VEGET
	11
	12	USE dimphy
	13	USE intersurf ! module d'ORCHIDEE
	14	USE cpl_mod, ONLY : cpl_send_land_fields
	15	USE surface_data, ONLY : ocean, ok_veget
	16	USE comgeomphy, ONLY : cuphy, cvphy
	17	USE mod_grid_phy_lmdz
	18	USE mod_phys_lmdz_para
	19
	20	IMPLICIT NONE
	21
	22	PRIVATE
	23	PUBLIC :: surf_land_orchidee
	24
	25	CONTAINS
	26	!
	27	!****************************************************************************************
	28	!
	29	SUBROUTINE surf_land_orchidee(itime, dtime, date0, knon, &
	30	knindex, rlon, rlat, pctsrf, &
	31	debut, lafin, &
	32	plev, u1_lay, v1_lay, temp_air, spechum, epot_air, ccanopy, &
	33	tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
	34	precip_rain, precip_snow, lwdown, swnet, swdown, &
	35	ps, &
	36	evap, fluxsens, fluxlat, &
	37	tsol_rad, tsurf_new, alb_new, alblw, &
	38	emis_new, z0_new, qsurf)
	39	!
	40	! Cette routine sert d'interface entre le modele atmospherique et le
	41	! modele de sol continental. Appel a sechiba
	42	!
	43	! L. Fairhead 02/2000
	44	!
	45	! input:
	46	! itime numero du pas de temps
	47	! dtime pas de temps de la physique (en s)
	48	! nisurf index de la surface a traiter (1 = sol continental)
	49	! knon nombre de points de la surface a traiter
	50	! knindex index des points de la surface a traiter
	51	! rlon longitudes de la grille entiere
	52	! rlat latitudes de la grille entiere
	53	! pctsrf tableau des fractions de surface de chaque maille
	54	! debut logical: 1er appel a la physique (lire les restart)
	55	! lafin logical: dernier appel a la physique (ecrire les restart)
	56	! (si false calcul simplifie des fluxs sur les continents)
	57	! plev hauteur de la premiere couche (Pa)
	58	! u1_lay vitesse u 1ere couche
	59	! v1_lay vitesse v 1ere couche
	60	! temp_air temperature de l'air 1ere couche
	61	! spechum humidite specifique 1ere couche
	62	! epot_air temp pot de l'air
	63	! ccanopy concentration CO2 canopee
	64	! tq_cdrag cdrag
	65	! petAcoef coeff. A de la resolution de la CL pour t
	66	! peqAcoef coeff. A de la resolution de la CL pour q
	67	! petBcoef coeff. B de la resolution de la CL pour t
	68	! peqBcoef coeff. B de la resolution de la CL pour q
	69	! precip_rain precipitation liquide
	70	! precip_snow precipitation solide
	71	! lwdown flux IR descendant a la surface
	72	! swnet flux solaire net
	73	! swdown flux solaire entrant a la surface
	74	! ps pression au sol
	75	! radsol rayonnement net aus sol (LW + SW)
	76	!
	77	!
	78	! output:
	79	! evap evaporation totale
	80	! fluxsens flux de chaleur sensible
	81	! fluxlat flux de chaleur latente
	82	! tsol_rad
	83	! tsurf_new temperature au sol
	84	! alb_new albedo
	85	! emis_new emissivite
	86	! z0_new surface roughness
	87	! qsurf air moisture at surface
	88	!
	89	INCLUDE "indicesol.h"
[793]	90	INCLUDE "temps.h"
	91	INCLUDE "YOMCST.h"
[781]	92	INCLUDE "iniprint.h"
[793]	93	INCLUDE "dimensions.h"
[781]	94
	95	!
	96	! Parametres d'entree
	97	!****************************************************************************************
	98	INTEGER, INTENT(IN) :: itime
	99	REAL, INTENT(IN) :: dtime
	100	REAL, INTENT(IN) :: date0
	101	INTEGER, INTENT(IN) :: knon
	102	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
	103	LOGICAL, INTENT(IN) :: debut, lafin
	104	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
	105	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
	106	REAL, DIMENSION(klon), INTENT(IN) :: plev
	107	REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay
	108	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
	109	REAL, DIMENSION(klon), INTENT(IN) :: epot_air, ccanopy
	110	REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag
	111	REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef
	112	REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef
	113	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
	114	REAL, DIMENSION(klon), INTENT(IN) :: lwdown, swnet, swdown, ps
	115	REAL, DIMENSION(klon) :: swdown_vrai
	116
	117	! Parametres de sortie
	118	!****************************************************************************************
	119	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat, qsurf
	120	REAL, DIMENSION(klon), INTENT(OUT) :: tsol_rad, tsurf_new, alb_new, alblw
	121	REAL, DIMENSION(klon), INTENT(OUT) :: emis_new, z0_new
	122
	123	! Local
	124	!****************************************************************************************
	125	INTEGER :: ij, jj, igrid, ireal, index
	126	INTEGER :: error
	127	CHARACTER (len = 20) :: modname = 'surf_land_orchidee'
	128	CHARACTER (len = 80) :: abort_message
	129	LOGICAL,SAVE :: check = .FALSE.
	130	!$OMP THREADPRIVATE(check)
	131
	132	! type de couplage dans sechiba
	133	! character (len=10) :: coupling = 'implicit'
	134	! drapeaux controlant les appels dans SECHIBA
	135	! type(control_type), save :: control_in
	136	! Preserved albedo
	137	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: albedo_keep, zlev
	138	!$OMP THREADPRIVATE(albedo_keep,zlev)
	139	! coordonnees geographiques
	140	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: lalo
	141	!$OMP THREADPRIVATE(lalo)
	142	! pts voisins
	143	INTEGER,ALLOCATABLE, DIMENSION(:,:), SAVE :: neighbours
	144	!$OMP THREADPRIVATE(neighbours)
	145	! fractions continents
	146	REAL,ALLOCATABLE, DIMENSION(:), SAVE :: contfrac
	147	!$OMP THREADPRIVATE(contfrac)
	148	! resolution de la grille
	149	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: resolution
	150	!$OMP THREADPRIVATE(resolution)
	151
	152	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: lon_scat, lat_scat
	153	!$OMP THREADPRIVATE(lon_scat,lat_scat)
	154
	155	LOGICAL, SAVE :: lrestart_read = .TRUE.
	156	!$OMP THREADPRIVATE(lrestart_read)
	157	LOGICAL, SAVE :: lrestart_write = .FALSE.
	158	!$OMP THREADPRIVATE(lrestart_write)
	159
	160	REAL, DIMENSION(knon,2) :: albedo_out
	161	!$OMP THREADPRIVATE(albedo_out)
	162
	163	! Pb de nomenclature
	164	REAL, DIMENSION(klon) :: petA_orc, peqA_orc
	165	REAL, DIMENSION(klon) :: petB_orc, peqB_orc
	166	! Pb de correspondances de grilles
	167	INTEGER, DIMENSION(:), SAVE, ALLOCATABLE :: ig, jg
	168	!$OMP THREADPRIVATE(ig,jg)
	169	INTEGER :: indi, indj
	170	INTEGER, SAVE, ALLOCATABLE,DIMENSION(:) :: ktindex
	171	!$OMP THREADPRIVATE(ktindex)
	172
	173	! Essai cdrag
	174	REAL, DIMENSION(klon) :: cdrag
	175	INTEGER,SAVE :: offset
	176	!$OMP THREADPRIVATE(offset)
	177
	178	REAL, DIMENSION(klon_glo) :: rlon_g,rlat_g
	179	INTEGER, SAVE :: orch_comm
	180	!$OMP THREADPRIVATE(orch_comm)
	181
	182	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: coastalflow
	183	!$OMP THREADPRIVATE(coastalflow)
	184	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: riverflow
	185	!$OMP THREADPRIVATE(riverflow)
	186	!
	187	! Fin definition
	188	!****************************************************************************************
	189
	190	IF (check) WRITE(lunout,*)'Entree ', modname
	191	IF (check) WRITE(lunout,*)'ok_veget = ',ok_veget
	192
	193	! Initialisation
	194
	195	IF (debut) THEN
	196	ALLOCATE(ktindex(knon))
	197	IF ( .NOT. ALLOCATED(albedo_keep)) THEN
	198	ALLOCATE(albedo_keep(klon))
	199	ALLOCATE(zlev(knon))
	200	ENDIF
	201	! Pb de correspondances de grilles
	202	ALLOCATE(ig(klon))
	203	ALLOCATE(jg(klon))
	204	ig(1) = 1
	205	jg(1) = 1
	206	indi = 0
	207	indj = 2
	208	DO igrid = 2, klon - 1
	209	indi = indi + 1
	210	IF ( indi > iim) THEN
	211	indi = 1
	212	indj = indj + 1
	213	ENDIF
	214	ig(igrid) = indi
	215	jg(igrid) = indj
	216	ENDDO
	217	ig(klon) = 1
	218	jg(klon) = jjm + 1
	219
	220	IF ((.NOT. ALLOCATED(lalo))) THEN
	221	ALLOCATE(lalo(knon,2), stat = error)
	222	IF (error /= 0) THEN
	223	abort_message='Pb allocation lalo'
	224	CALL abort_gcm(modname,abort_message,1)
	225	ENDIF
	226	ENDIF
	227	IF ((.NOT. ALLOCATED(lon_scat))) THEN
	228	ALLOCATE(lon_scat(iim,jjm+1), stat = error)
	229	IF (error /= 0) THEN
	230	abort_message='Pb allocation lon_scat'
	231	CALL abort_gcm(modname,abort_message,1)
	232	ENDIF
	233	ENDIF
	234	IF ((.NOT. ALLOCATED(lat_scat))) THEN
	235	ALLOCATE(lat_scat(iim,jjm+1), stat = error)
	236	IF (error /= 0) THEN
	237	abort_message='Pb allocation lat_scat'
	238	CALL abort_gcm(modname,abort_message,1)
	239	ENDIF
	240	ENDIF
	241	lon_scat = 0.
	242	lat_scat = 0.
	243	DO igrid = 1, knon
	244	index = knindex(igrid)
	245	lalo(igrid,2) = rlon(index)
	246	lalo(igrid,1) = rlat(index)
	247	ENDDO
	248
	249
	250
	251	CALL Gather(rlon,rlon_g)
	252	CALL Gather(rlat,rlat_g)
	253
	254	IF (is_mpi_root) THEN
	255	index = 1
	256	DO jj = 2, jjm
	257	DO ij = 1, iim
	258	index = index + 1
	259	lon_scat(ij,jj) = rlon_g(index)
	260	lat_scat(ij,jj) = rlat_g(index)
	261	ENDDO
	262	ENDDO
	263	lon_scat(:,1) = lon_scat(:,2)
	264	lat_scat(:,1) = rlat_g(1)
	265	lon_scat(:,jjm+1) = lon_scat(:,2)
	266	lat_scat(:,jjm+1) = rlat_g(klon_glo)
	267	ENDIF
	268
[1073]	269	CALL bcast(lon_scat)
	270	CALL bcast(lat_scat)
[781]	271
	272	!
	273	! Allouer et initialiser le tableau des voisins et des fraction de continents
	274	!
	275	IF ( (.NOT.ALLOCATED(neighbours))) THEN
	276	ALLOCATE(neighbours(knon,8), stat = error)
	277	IF (error /= 0) THEN
	278	abort_message='Pb allocation neighbours'
	279	CALL abort_gcm(modname,abort_message,1)
	280	ENDIF
	281	ENDIF
	282	neighbours = -1.
	283	IF (( .NOT. ALLOCATED(contfrac))) THEN
	284	ALLOCATE(contfrac(knon), stat = error)
	285	IF (error /= 0) THEN
	286	abort_message='Pb allocation contfrac'
	287	CALL abort_gcm(modname,abort_message,1)
	288	ENDIF
	289	ENDIF
	290
	291	DO igrid = 1, knon
	292	ireal = knindex(igrid)
	293	contfrac(igrid) = pctsrf(ireal,is_ter)
	294	ENDDO
	295
	296
	297	CALL Init_neighbours(knon,neighbours,knindex,pctsrf(:,is_ter))
	298
	299	!
	300	! Allocation et calcul resolutions
	301	IF ( (.NOT.ALLOCATED(resolution))) THEN
	302	ALLOCATE(resolution(knon,2), stat = error)
	303	IF (error /= 0) THEN
	304	abort_message='Pb allocation resolution'
	305	CALL abort_gcm(modname,abort_message,1)
	306	ENDIF
	307	ENDIF
	308	DO igrid = 1, knon
	309	ij = knindex(igrid)
	310	resolution(igrid,1) = cuphy(ij)
	311	resolution(igrid,2) = cvphy(ij)
	312	ENDDO
	313
	314	ALLOCATE(coastalflow(klon), stat = error)
	315	IF (error /= 0) THEN
	316	abort_message='Pb allocation coastalflow'
	317	CALL abort_gcm(modname,abort_message,1)
	318	ENDIF
	319
	320	ALLOCATE(riverflow(klon), stat = error)
	321	IF (error /= 0) THEN
	322	abort_message='Pb allocation riverflow'
	323	CALL abort_gcm(modname,abort_message,1)
	324	ENDIF
	325
	326	ENDIF ! (fin debut)
	327
	328	!
	329	! Appel a la routine sols continentaux
	330	!
	331	IF (lafin) lrestart_write = .TRUE.
	332	IF (check) WRITE(lunout,*)'lafin ',lafin,lrestart_write
	333
	334	petA_orc(1:knon) = petBcoef(1:knon) * dtime
	335	petB_orc(1:knon) = petAcoef(1:knon)
	336	peqA_orc(1:knon) = peqBcoef(1:knon) * dtime
	337	peqB_orc(1:knon) = peqAcoef(1:knon)
	338
	339	cdrag = 0.
	340	cdrag(1:knon) = tq_cdrag(1:knon)
	341
	342	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/287.05temp_air(1:knon))*9.80665)
	343	zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/RDtemp_air(1:knon))*RG)
	344
	345
	346	! PF et PASB
	347	! where(cdrag > 0.01)
	348	! cdrag = 0.01
	349	! endwhere
	350	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
	351
	352	!
	353	! Init Orchidee
	354	!
	355	! if (pole_nord) then
	356	! offset=0
	357	! ktindex(:)=ktindex(:)+iim-1
	358	! else
	359	! offset = klon_mpi_begin-1+iim-1
	360	! ktindex(:)=ktindex(:)+MOD(offset,iim)
	361	! offset=offset-MOD(offset,iim)
	362	! endif
	363
	364	IF (debut) THEN
	365	CALL Get_orchidee_communicator(knon,orch_comm)
	366	IF (knon /=0) THEN
	367	CALL Init_orchidee_index(knon,orch_comm,knindex,offset,ktindex)
[802]	368
[812]	369	#ifndef CPP_PARA
	370	#define ORC_PREPAR
	371	#endif
[799]	372	#ifdef ORC_PREPAR
[845]	373	! Interface for ORCHIDEE version 1.9 or earlier compiled in sequential mode(without preprocessing flag CPP_PARA)
[802]	374	CALL intersurf_main (itime+itau_phy-1, iim, jjm+1, knon, ktindex, dtime, &
	375	lrestart_read, lrestart_write, lalo, &
	376	contfrac, neighbours, resolution, date0, &
	377	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
	378	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
	379	precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
	380	evap, fluxsens, fluxlat, coastalflow, riverflow, &
	381	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
	382	lon_scat, lat_scat)
[799]	383
	384	#else
[845]	385	! Interface for ORCHIDEE version 1.9 compiled in parallel mode(with preprocessing flag CPP_PARA)
[781]	386	CALL intersurf_main (itime+itau_phy-1, iim, jjm+1, offset, knon, ktindex, &
	387	orch_comm, dtime, lrestart_read, lrestart_write, lalo, &
	388	contfrac, neighbours, resolution, date0, &
	389	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
	390	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
	391	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown(1:knon), ps(1:knon), &
	392	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
	393	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0_new(1:knon), &
	394	lon_scat, lat_scat)
[799]	395	#endif
[781]	396
	397	ENDIF
	398
	399	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
	400
	401	ENDIF
	402
	403	! swdown_vrai(1:knon) = swnet(1:knon)/(1. - albedo_keep(1:knon))
	404	swdown_vrai(1:knon) = swdown(1:knon)
	405
	406	IF (knon /=0) THEN
	407
[799]	408	#ifdef ORC_PREPAR
[845]	409	! Interface for ORCHIDEE version 1.9 or earlier compiled in sequential mode(without preprocessing flag CPP_PARA)
	410	CALL intersurf_main (itime+itau_phy, iim, jjm+1, knon, ktindex, dtime, &
[802]	411	lrestart_read, lrestart_write, lalo, &
	412	contfrac, neighbours, resolution, date0, &
	413	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
	414	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
[845]	415	precip_rain, precip_snow, lwdown, swnet, swdown_vrai, ps, &
[802]	416	evap, fluxsens, fluxlat, coastalflow, riverflow, &
	417	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
	418	lon_scat, lat_scat)
	419
[799]	420	#else
[845]	421	! Interface for ORCHIDEE version 1.9 compiled in parallel mode(with preprocessing flag CPP_PARA)
[781]	422	CALL intersurf_main (itime+itau_phy, iim, jjm+1,offset, knon, ktindex, &
	423	orch_comm,dtime, lrestart_read, lrestart_write, lalo, &
	424	contfrac, neighbours, resolution, date0, &
	425	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
	426	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
	427	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown_vrai(1:knon), ps(1:knon), &
	428	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
	429	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0_new(1:knon), &
	430	lon_scat, lat_scat)
[799]	431	#endif
[781]	432
	433	ENDIF
	434
	435	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
	436
	437	!* Send to coupler
	438	!
	439	IF (ocean=='couple') THEN
	440	CALL cpl_send_land_fields(itime, knon, knindex, &
	441	riverflow, coastalflow)
	442	ENDIF
	443
	444	alb_new(1:knon) = albedo_out(1:knon,1)
	445	alblw(1:knon) = albedo_out(1:knon,2)
	446
	447	! Convention orchidee: positif vers le haut
	448	fluxsens(1:knon) = -1. * fluxsens(1:knon)
	449	fluxlat(1:knon) = -1. * fluxlat(1:knon)
	450
	451	! evap = -1. * evap
	452
	453	IF (debut) lrestart_read = .FALSE.
	454
	455	END SUBROUTINE surf_land_orchidee
	456	!
	457	!****************************************************************************************
	458	!
	459	SUBROUTINE Init_orchidee_index(knon,orch_comm,knindex,offset,ktindex)
	460
[793]	461	INCLUDE "dimensions.h"
[781]	462
	463	#ifdef CPP_PARA
	464	INCLUDE 'mpif.h'
	465	#endif
	466
	467
	468	! Input arguments
	469	!****************************************************************************************
	470	INTEGER, INTENT(IN) :: knon
	471	INTEGER, INTENT(IN) :: orch_comm
	472	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
	473
	474	! Output arguments
	475	!****************************************************************************************
	476	INTEGER, INTENT(OUT) :: offset
	477	INTEGER, DIMENSION(knon), INTENT(OUT) :: ktindex
	478
	479	! Local varables
	480	!****************************************************************************************
	481	#ifdef CPP_PARA
	482	INTEGER, DIMENSION(MPI_STATUS_SIZE) :: status
	483	#endif
	484
	485	INTEGER :: MyLastPoint
	486	INTEGER :: LastPoint
[853]	487	INTEGER :: mpi_rank_orch
	488	INTEGER :: mpi_size_orch
	489	INTEGER :: ierr
[802]	490	!
	491	! End definition
	492	!****************************************************************************************
	493
[781]	494	MyLastPoint=klon_mpi_begin-1+knindex(knon)+iim-1
	495
	496	IF (is_parallel) THEN
	497	#ifdef CPP_PARA
[853]	498	CALL MPI_COMM_SIZE(orch_comm,mpi_size_orch,ierr)
	499	CALL MPI_COMM_RANK(orch_comm,mpi_rank_orch,ierr)
[781]	500	#endif
	501	ELSE
[853]	502	mpi_rank_orch=0
	503	mpi_size_orch=1
[781]	504	ENDIF
[853]	505
[781]	506	IF (is_parallel) THEN
[853]	507	IF (mpi_rank_orch /= 0) THEN
[781]	508	#ifdef CPP_PARA
[853]	509	CALL MPI_RECV(LastPoint,1,MPI_INTEGER,mpi_rank_orch-1,1234,orch_comm,status,ierr)
[781]	510	#endif
	511	ENDIF
	512
[853]	513	IF (mpi_rank_orch /= mpi_size_orch-1) THEN
[781]	514	#ifdef CPP_PARA
[853]	515	CALL MPI_SEND(MyLastPoint,1,MPI_INTEGER,mpi_rank_orch+1,1234,orch_comm,ierr)
[781]	516	#endif
	517	ENDIF
	518	ENDIF
	519
[853]	520	IF (mpi_rank_orch == 0) THEN
[781]	521	offset=0
	522	ELSE
	523	offset=LastPoint-MOD(LastPoint,iim)
	524	ENDIF
	525
	526	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin+iim-1)-offset-1
	527
	528
	529	END SUBROUTINE Init_orchidee_index
	530	!
	531	!****************************************************************************************
	532	!
	533	SUBROUTINE Get_orchidee_communicator(knon,orch_comm)
	534
	535	#ifdef CPP_PARA
	536	INCLUDE 'mpif.h'
	537	#endif
	538
	539
	540	INTEGER,INTENT(IN) :: knon
	541	INTEGER,INTENT(OUT) :: orch_comm
	542
	543	INTEGER :: color
	544	INTEGER :: ierr
[802]	545	!
	546	! End definition
	547	!****************************************************************************************
	548
[781]	549	IF (knon==0) THEN
	550	color = 0
	551	ELSE
	552	color = 1
	553	ENDIF
	554
	555	#ifdef CPP_PARA
	556	CALL MPI_COMM_SPLIT(COMM_LMDZ_PHY,color,mpi_rank,orch_comm,ierr)
	557	#endif
	558
	559	END SUBROUTINE Get_orchidee_communicator
	560	!
	561	!****************************************************************************************
	562	!
	563	SUBROUTINE Init_neighbours(knon,neighbours,ktindex,pctsrf)
	564
	565	INCLUDE "indicesol.h"
[793]	566	INCLUDE "dimensions.h"
[781]	567	#ifdef CPP_PARA
	568	INCLUDE 'mpif.h'
	569	#endif
	570
[802]	571	! Input arguments
	572	!****************************************************************************************
[781]	573	INTEGER, INTENT(IN) :: knon
	574	INTEGER, DIMENSION(klon), INTENT(IN) :: ktindex
	575	REAL, DIMENSION(klon), INTENT(IN) :: pctsrf
	576
[802]	577	! Output arguments
	578	!****************************************************************************************
	579	INTEGER, DIMENSION(knon,8), INTENT(OUT) :: neighbours
	580
	581	! Local variables
	582	!****************************************************************************************
	583	INTEGER :: knon_g
	584	INTEGER :: i, igrid, jj, ij, iglob
	585	INTEGER :: ierr, ireal, index
	586	INTEGER, DIMENSION(0:mpi_size-1) :: knon_nb
	587	INTEGER, DIMENSION(0:mpi_size-1) :: displs
	588	INTEGER, DIMENSION(8,3) :: off_ini
	589	INTEGER, DIMENSION(8) :: offset
	590	INTEGER, DIMENSION(knon) :: ktindex_p
	591	INTEGER, DIMENSION(iim,jjm+1) :: correspond
	592	INTEGER, ALLOCATABLE, DIMENSION(:) :: ktindex_g
	593	INTEGER, ALLOCATABLE, DIMENSION(:,:) :: neighbours_g
	594	REAL, DIMENSION(klon_glo) :: pctsrf_g
[781]	595
[802]	596	!
	597	! End definition
	598	!****************************************************************************************
	599
[781]	600	IF (is_sequential) THEN
	601	knon_nb(:)=knon
	602	ELSE
	603
	604	#ifdef CPP_PARA
	605	CALL MPI_GATHER(knon,1,MPI_INTEGER,knon_nb,1,MPI_INTEGER,0,COMM_LMDZ_PHY,ierr)
	606	#endif
	607
	608	ENDIF
	609
	610	IF (is_mpi_root) THEN
	611	knon_g=SUM(knon_nb(:))
	612	ALLOCATE(ktindex_g(knon_g))
	613	ALLOCATE(neighbours_g(knon_g,8))
	614	neighbours_g(:,:)=-1
	615	displs(0)=0
	616	DO i=1,mpi_size-1
	617	displs(i)=displs(i-1)+knon_nb(i-1)
	618	ENDDO
	619	ENDIF
	620
	621	ktindex_p(1:knon)=ktindex(1:knon)+klon_mpi_begin-1+iim-1
	622
	623	IF (is_sequential) THEN
	624	ktindex_g(:)=ktindex_p(:)
	625	ELSE
	626
	627	#ifdef CPP_PARA
	628	CALL MPI_GATHERV(ktindex_p,knon,MPI_INTEGER,ktindex_g,knon_nb,&
	629	displs,MPI_INTEGER,0,COMM_LMDZ_PHY,ierr)
	630	#endif
	631
	632	ENDIF
	633
	634	CALL Gather(pctsrf,pctsrf_g)
	635
	636	IF (is_mpi_root) THEN
	637	! Initialisation des offset
	638	!
	639	! offset bord ouest
	640	off_ini(1,1) = - iim ; off_ini(2,1) = - iim + 1; off_ini(3,1) = 1
	641	off_ini(4,1) = iim + 1; off_ini(5,1) = iim ; off_ini(6,1) = 2 * iim - 1
	642	off_ini(7,1) = iim -1 ; off_ini(8,1) = - 1
	643	! offset point normal
	644	off_ini(1,2) = - iim ; off_ini(2,2) = - iim + 1; off_ini(3,2) = 1
	645	off_ini(4,2) = iim + 1; off_ini(5,2) = iim ; off_ini(6,2) = iim - 1
	646	off_ini(7,2) = -1 ; off_ini(8,2) = - iim - 1
	647	! offset bord est
	648	off_ini(1,3) = - iim; off_ini(2,3) = - 2 * iim + 1; off_ini(3,3) = - iim + 1
	649	off_ini(4,3) = 1 ; off_ini(5,3) = iim ; off_ini(6,3) = iim - 1
	650	off_ini(7,3) = -1 ; off_ini(8,3) = - iim - 1
	651	!
	652	!
	653	! Attention aux poles
	654	!
	655	DO igrid = 1, knon_g
	656	index = ktindex_g(igrid)
	657	jj = INT((index - 1)/iim) + 1
	658	ij = index - (jj - 1) * iim
	659	correspond(ij,jj) = igrid
	660	ENDDO
	661
	662	DO igrid = 1, knon_g
	663	iglob = ktindex_g(igrid)
	664	IF (MOD(iglob, iim) == 1) THEN
	665	offset = off_ini(:,1)
	666	ELSE IF(MOD(iglob, iim) == 0) THEN
	667	offset = off_ini(:,3)
	668	ELSE
	669	offset = off_ini(:,2)
	670	ENDIF
	671	DO i = 1, 8
	672	index = iglob + offset(i)
	673	ireal = (MIN(MAX(1, index - iim + 1), klon_glo))
	674	IF (pctsrf_g(ireal) > EPSFRA) THEN
	675	jj = INT((index - 1)/iim) + 1
	676	ij = index - (jj - 1) * iim
	677	neighbours_g(igrid, i) = correspond(ij, jj)
	678	ENDIF
	679	ENDDO
	680	ENDDO
	681
	682	ENDIF
	683
	684	DO i=1,8
	685	IF (is_sequential) THEN
	686	neighbours(:,i)=neighbours_g(:,i)
	687	ELSE
	688	#ifdef CPP_PARA
	689	CALL MPI_SCATTERV(neighbours_g(:,i),knon_nb,displs,MPI_INTEGER,neighbours(:,i),knon,MPI_INTEGER,0,COMM_LMDZ_PHY,ierr)
	690	#endif
	691	ENDIF
	692	ENDDO
	693
	694	END SUBROUTINE Init_neighbours
	695	!
	696	!****************************************************************************************
	697	!
	698
	699	#endif
	700
	701	END MODULE surf_land_orchidee_mod

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