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surf_land_orchidee_mod.F90 @ 1176

Last change on this file since 1176 was 1146, checked in by Laurent Fairhead, 15 years ago
Réintegration dans le tronc des modifications issues de la branche LMDZ-dev comprises entre la révision 1074 et 1145 Validation: une simulation de 1 jour en séquentiel sur PC donne les mêmes résultats entre la trunk et la dev LF
Property svn:eol-style set to `native` Property svn:executable set to ``* Property svn:keywords set to `Author Date Id Revision`
File size: 21.3 KB

Rev	Line
[781]	1	!
	2	MODULE surf_land_orchidee_mod
[1146]	3	#ifndef ORCHIDEE_NOOPENMP
[781]	4	!
	5	! This module controles the interface towards the model ORCHIDEE
	6	!
	7	! Subroutines in this module : surf_land_orchidee
	8	! Init_orchidee_index
	9	! Get_orchidee_communicator
	10	! Init_neighbours
	11
	12	USE dimphy
[1067]	13	#ifdef CPP_VEGET
[781]	14	USE intersurf ! module d'ORCHIDEE
[1067]	15	#endif
[781]	16	USE cpl_mod, ONLY : cpl_send_land_fields
[996]	17	USE surface_data, ONLY : type_ocean
[781]	18	USE comgeomphy, ONLY : cuphy, cvphy
	19	USE mod_grid_phy_lmdz
[987]	20	USE mod_phys_lmdz_para, mpi_root_rank=>mpi_root
[781]	21
	22	IMPLICIT NONE
	23
	24	PRIVATE
	25	PUBLIC :: surf_land_orchidee
	26
[987]	27	LOGICAL, ALLOCATABLE, SAVE :: flag_omp(:)
[781]	28	CONTAINS
	29	!
	30	!****************************************************************************************
	31	!
	32	SUBROUTINE surf_land_orchidee(itime, dtime, date0, knon, &
	33	knindex, rlon, rlat, pctsrf, &
	34	debut, lafin, &
	35	plev, u1_lay, v1_lay, temp_air, spechum, epot_air, ccanopy, &
	36	tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
	37	precip_rain, precip_snow, lwdown, swnet, swdown, &
[1146]	38	ps, q2m, t2m, &
[781]	39	evap, fluxsens, fluxlat, &
[888]	40	tsol_rad, tsurf_new, alb1_new, alb2_new, &
[781]	41	emis_new, z0_new, qsurf)
[987]	42	USE mod_surf_para
	43	USE mod_synchro_omp
	44
[781]	45	!
	46	! Cette routine sert d'interface entre le modele atmospherique et le
	47	! modele de sol continental. Appel a sechiba
	48	!
	49	! L. Fairhead 02/2000
	50	!
	51	! input:
	52	! itime numero du pas de temps
	53	! dtime pas de temps de la physique (en s)
	54	! nisurf index de la surface a traiter (1 = sol continental)
	55	! knon nombre de points de la surface a traiter
	56	! knindex index des points de la surface a traiter
	57	! rlon longitudes de la grille entiere
	58	! rlat latitudes de la grille entiere
	59	! pctsrf tableau des fractions de surface de chaque maille
	60	! debut logical: 1er appel a la physique (lire les restart)
	61	! lafin logical: dernier appel a la physique (ecrire les restart)
	62	! (si false calcul simplifie des fluxs sur les continents)
	63	! plev hauteur de la premiere couche (Pa)
	64	! u1_lay vitesse u 1ere couche
	65	! v1_lay vitesse v 1ere couche
	66	! temp_air temperature de l'air 1ere couche
	67	! spechum humidite specifique 1ere couche
	68	! epot_air temp pot de l'air
	69	! ccanopy concentration CO2 canopee
	70	! tq_cdrag cdrag
	71	! petAcoef coeff. A de la resolution de la CL pour t
	72	! peqAcoef coeff. A de la resolution de la CL pour q
	73	! petBcoef coeff. B de la resolution de la CL pour t
	74	! peqBcoef coeff. B de la resolution de la CL pour q
	75	! precip_rain precipitation liquide
	76	! precip_snow precipitation solide
	77	! lwdown flux IR descendant a la surface
	78	! swnet flux solaire net
	79	! swdown flux solaire entrant a la surface
	80	! ps pression au sol
	81	! radsol rayonnement net aus sol (LW + SW)
	82	!
	83	!
	84	! output:
	85	! evap evaporation totale
	86	! fluxsens flux de chaleur sensible
	87	! fluxlat flux de chaleur latente
	88	! tsol_rad
	89	! tsurf_new temperature au sol
[888]	90	! alb1_new albedo in visible SW interval
	91	! alb2_new albedo in near IR interval
[781]	92	! emis_new emissivite
	93	! z0_new surface roughness
	94	! qsurf air moisture at surface
	95	!
	96	INCLUDE "indicesol.h"
[793]	97	INCLUDE "temps.h"
	98	INCLUDE "YOMCST.h"
[781]	99	INCLUDE "iniprint.h"
[793]	100	INCLUDE "dimensions.h"
[781]	101
	102	!
	103	! Parametres d'entree
	104	!****************************************************************************************
	105	INTEGER, INTENT(IN) :: itime
	106	REAL, INTENT(IN) :: dtime
	107	REAL, INTENT(IN) :: date0
	108	INTEGER, INTENT(IN) :: knon
	109	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
	110	LOGICAL, INTENT(IN) :: debut, lafin
	111	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
	112	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
	113	REAL, DIMENSION(klon), INTENT(IN) :: plev
	114	REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay
	115	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
	116	REAL, DIMENSION(klon), INTENT(IN) :: epot_air, ccanopy
	117	REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag
	118	REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef
	119	REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef
	120	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
	121	REAL, DIMENSION(klon), INTENT(IN) :: lwdown, swnet, swdown, ps
[1146]	122	REAL, DIMENSION(klon), INTENT(IN) :: q2m, t2m
[781]	123
	124	! Parametres de sortie
	125	!****************************************************************************************
	126	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat, qsurf
[888]	127	REAL, DIMENSION(klon), INTENT(OUT) :: tsol_rad, tsurf_new
	128	REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new, alb2_new
[781]	129	REAL, DIMENSION(klon), INTENT(OUT) :: emis_new, z0_new
	130
	131	! Local
	132	!****************************************************************************************
	133	INTEGER :: ij, jj, igrid, ireal, index
	134	INTEGER :: error
[1146]	135	REAL, DIMENSION(klon) :: swdown_vrai
[781]	136	CHARACTER (len = 20) :: modname = 'surf_land_orchidee'
	137	CHARACTER (len = 80) :: abort_message
	138	LOGICAL,SAVE :: check = .FALSE.
	139	!$OMP THREADPRIVATE(check)
	140
	141	! type de couplage dans sechiba
	142	! character (len=10) :: coupling = 'implicit'
	143	! drapeaux controlant les appels dans SECHIBA
	144	! type(control_type), save :: control_in
	145	! Preserved albedo
	146	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: albedo_keep, zlev
	147	!$OMP THREADPRIVATE(albedo_keep,zlev)
	148	! coordonnees geographiques
	149	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: lalo
	150	!$OMP THREADPRIVATE(lalo)
	151	! pts voisins
	152	INTEGER,ALLOCATABLE, DIMENSION(:,:), SAVE :: neighbours
	153	!$OMP THREADPRIVATE(neighbours)
	154	! fractions continents
	155	REAL,ALLOCATABLE, DIMENSION(:), SAVE :: contfrac
	156	!$OMP THREADPRIVATE(contfrac)
	157	! resolution de la grille
	158	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: resolution
	159	!$OMP THREADPRIVATE(resolution)
	160
	161	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: lon_scat, lat_scat
	162	!$OMP THREADPRIVATE(lon_scat,lat_scat)
	163
	164	LOGICAL, SAVE :: lrestart_read = .TRUE.
	165	!$OMP THREADPRIVATE(lrestart_read)
	166	LOGICAL, SAVE :: lrestart_write = .FALSE.
	167	!$OMP THREADPRIVATE(lrestart_write)
	168
	169	REAL, DIMENSION(knon,2) :: albedo_out
	170
	171	! Pb de nomenclature
	172	REAL, DIMENSION(klon) :: petA_orc, peqA_orc
	173	REAL, DIMENSION(klon) :: petB_orc, peqB_orc
	174	! Pb de correspondances de grilles
	175	INTEGER, DIMENSION(:), SAVE, ALLOCATABLE :: ig, jg
	176	!$OMP THREADPRIVATE(ig,jg)
	177	INTEGER :: indi, indj
	178	INTEGER, SAVE, ALLOCATABLE,DIMENSION(:) :: ktindex
	179	!$OMP THREADPRIVATE(ktindex)
	180
	181	! Essai cdrag
	182	REAL, DIMENSION(klon) :: cdrag
	183	INTEGER,SAVE :: offset
	184	!$OMP THREADPRIVATE(offset)
	185
	186	REAL, DIMENSION(klon_glo) :: rlon_g,rlat_g
	187	INTEGER, SAVE :: orch_comm
	188	!$OMP THREADPRIVATE(orch_comm)
	189
	190	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: coastalflow
	191	!$OMP THREADPRIVATE(coastalflow)
	192	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: riverflow
	193	!$OMP THREADPRIVATE(riverflow)
[987]	194
	195	INTEGER :: orch_omp_rank
	196	INTEGER :: orch_omp_size
[781]	197	!
	198	! Fin definition
	199	!****************************************************************************************
	200
	201	IF (check) WRITE(lunout,*)'Entree ', modname
	202
	203	! Initialisation
	204
	205	IF (debut) THEN
[1067]	206	! Test of coherence between variable ok_veget and cpp key CPP_VEGET
	207	#ifndef CPP_VEGET
	208	abort_message='Pb de coherence: ok_veget = .true. mais CPP_VEGET = .false.'
	209	CALL abort_gcm(modname,abort_message,1)
	210	#endif
	211
[987]	212	CALL Init_surf_para(knon)
[781]	213	ALLOCATE(ktindex(knon))
	214	IF ( .NOT. ALLOCATED(albedo_keep)) THEN
[987]	215	!ym ALLOCATE(albedo_keep(klon))
	216	!ym bizarre que non alloué en knon precedement
	217	ALLOCATE(albedo_keep(knon))
[781]	218	ALLOCATE(zlev(knon))
	219	ENDIF
	220	! Pb de correspondances de grilles
	221	ALLOCATE(ig(klon))
	222	ALLOCATE(jg(klon))
	223	ig(1) = 1
	224	jg(1) = 1
	225	indi = 0
	226	indj = 2
	227	DO igrid = 2, klon - 1
	228	indi = indi + 1
	229	IF ( indi > iim) THEN
	230	indi = 1
	231	indj = indj + 1
	232	ENDIF
	233	ig(igrid) = indi
	234	jg(igrid) = indj
	235	ENDDO
	236	ig(klon) = 1
	237	jg(klon) = jjm + 1
	238
	239	IF ((.NOT. ALLOCATED(lalo))) THEN
	240	ALLOCATE(lalo(knon,2), stat = error)
	241	IF (error /= 0) THEN
	242	abort_message='Pb allocation lalo'
	243	CALL abort_gcm(modname,abort_message,1)
	244	ENDIF
	245	ENDIF
	246	IF ((.NOT. ALLOCATED(lon_scat))) THEN
	247	ALLOCATE(lon_scat(iim,jjm+1), stat = error)
	248	IF (error /= 0) THEN
	249	abort_message='Pb allocation lon_scat'
	250	CALL abort_gcm(modname,abort_message,1)
	251	ENDIF
	252	ENDIF
	253	IF ((.NOT. ALLOCATED(lat_scat))) THEN
	254	ALLOCATE(lat_scat(iim,jjm+1), stat = error)
	255	IF (error /= 0) THEN
	256	abort_message='Pb allocation lat_scat'
	257	CALL abort_gcm(modname,abort_message,1)
	258	ENDIF
	259	ENDIF
	260	lon_scat = 0.
	261	lat_scat = 0.
	262	DO igrid = 1, knon
	263	index = knindex(igrid)
	264	lalo(igrid,2) = rlon(index)
	265	lalo(igrid,1) = rlat(index)
	266	ENDDO
	267
	268
	269
	270	CALL Gather(rlon,rlon_g)
	271	CALL Gather(rlat,rlat_g)
	272
	273	IF (is_mpi_root) THEN
	274	index = 1
	275	DO jj = 2, jjm
	276	DO ij = 1, iim
	277	index = index + 1
	278	lon_scat(ij,jj) = rlon_g(index)
	279	lat_scat(ij,jj) = rlat_g(index)
	280	ENDDO
	281	ENDDO
	282	lon_scat(:,1) = lon_scat(:,2)
	283	lat_scat(:,1) = rlat_g(1)
	284	lon_scat(:,jjm+1) = lon_scat(:,2)
	285	lat_scat(:,jjm+1) = rlat_g(klon_glo)
	286	ENDIF
	287
[1023]	288	CALL bcast(lon_scat)
	289	CALL bcast(lat_scat)
[781]	290	!
	291	! Allouer et initialiser le tableau des voisins et des fraction de continents
	292	!
	293	IF ( (.NOT.ALLOCATED(neighbours))) THEN
	294	ALLOCATE(neighbours(knon,8), stat = error)
	295	IF (error /= 0) THEN
	296	abort_message='Pb allocation neighbours'
	297	CALL abort_gcm(modname,abort_message,1)
	298	ENDIF
	299	ENDIF
	300	neighbours = -1.
	301	IF (( .NOT. ALLOCATED(contfrac))) THEN
	302	ALLOCATE(contfrac(knon), stat = error)
	303	IF (error /= 0) THEN
	304	abort_message='Pb allocation contfrac'
	305	CALL abort_gcm(modname,abort_message,1)
	306	ENDIF
	307	ENDIF
	308
	309	DO igrid = 1, knon
	310	ireal = knindex(igrid)
	311	contfrac(igrid) = pctsrf(ireal,is_ter)
	312	ENDDO
	313
	314
	315	CALL Init_neighbours(knon,neighbours,knindex,pctsrf(:,is_ter))
	316
	317	!
	318	! Allocation et calcul resolutions
	319	IF ( (.NOT.ALLOCATED(resolution))) THEN
	320	ALLOCATE(resolution(knon,2), stat = error)
	321	IF (error /= 0) THEN
	322	abort_message='Pb allocation resolution'
	323	CALL abort_gcm(modname,abort_message,1)
	324	ENDIF
	325	ENDIF
	326	DO igrid = 1, knon
	327	ij = knindex(igrid)
	328	resolution(igrid,1) = cuphy(ij)
	329	resolution(igrid,2) = cvphy(ij)
	330	ENDDO
	331
	332	ALLOCATE(coastalflow(klon), stat = error)
	333	IF (error /= 0) THEN
	334	abort_message='Pb allocation coastalflow'
	335	CALL abort_gcm(modname,abort_message,1)
	336	ENDIF
	337
	338	ALLOCATE(riverflow(klon), stat = error)
	339	IF (error /= 0) THEN
	340	abort_message='Pb allocation riverflow'
	341	CALL abort_gcm(modname,abort_message,1)
	342	ENDIF
	343
	344	ENDIF ! (fin debut)
	345
	346	!
	347	! Appel a la routine sols continentaux
	348	!
	349	IF (lafin) lrestart_write = .TRUE.
	350	IF (check) WRITE(lunout,*)'lafin ',lafin,lrestart_write
[987]	351
[781]	352	petA_orc(1:knon) = petBcoef(1:knon) * dtime
	353	petB_orc(1:knon) = petAcoef(1:knon)
	354	peqA_orc(1:knon) = peqBcoef(1:knon) * dtime
	355	peqB_orc(1:knon) = peqAcoef(1:knon)
	356
	357	cdrag = 0.
	358	cdrag(1:knon) = tq_cdrag(1:knon)
	359
	360	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/287.05temp_air(1:knon))*9.80665)
	361	zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/RDtemp_air(1:knon))*RG)
	362
	363
	364	! PF et PASB
	365	! where(cdrag > 0.01)
	366	! cdrag = 0.01
	367	! endwhere
	368	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
	369
	370
	371	IF (debut) THEN
[987]	372	CALL Init_orchidee_index(knon,knindex,offset,ktindex)
	373	CALL Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
	374	CALL Init_synchro_omp
	375
[1023]	376	IF (knon > 0) THEN
[1067]	377	#ifdef CPP_VEGET
[987]	378	CALL Init_intersurf(nbp_lon,nbp_lat,knon,ktindex,offset,orch_omp_size,orch_omp_rank,orch_comm)
[1067]	379	#endif
[987]	380	ENDIF
[802]	381
[987]	382
	383	IF (knon > 0) THEN
	384
[1067]	385	#ifdef CPP_VEGET
[802]	386	CALL intersurf_main (itime+itau_phy-1, iim, jjm+1, knon, ktindex, dtime, &
	387	lrestart_read, lrestart_write, lalo, &
	388	contfrac, neighbours, resolution, date0, &
	389	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
	390	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
	391	precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
	392	evap, fluxsens, fluxlat, coastalflow, riverflow, &
	393	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
[1146]	394	lon_scat, lat_scat, q2m, t2m)
[1067]	395	#endif
[781]	396	ENDIF
	397
[987]	398	CALL Synchro_omp
	399
[781]	400	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
	401
	402	ENDIF
	403
[987]	404
[781]	405	! swdown_vrai(1:knon) = swnet(1:knon)/(1. - albedo_keep(1:knon))
	406	swdown_vrai(1:knon) = swdown(1:knon)
	407
[987]	408	IF (knon > 0) THEN
[1067]	409	#ifdef CPP_VEGET
[987]	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, &
[781]	413	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
	414	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
	415	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown_vrai(1:knon), ps(1:knon), &
	416	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
	417	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0_new(1:knon), &
[1146]	418	lon_scat, lat_scat, q2m, t2m)
[1067]	419	#endif
[781]	420	ENDIF
	421
[987]	422	CALL Synchro_omp
	423
[781]	424	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
	425
	426	!* Send to coupler
	427	!
[996]	428	IF (type_ocean=='couple') THEN
[781]	429	CALL cpl_send_land_fields(itime, knon, knindex, &
	430	riverflow, coastalflow)
	431	ENDIF
	432
[888]	433	alb1_new(1:knon) = albedo_out(1:knon,1)
	434	alb2_new(1:knon) = albedo_out(1:knon,2)
[781]	435
	436	! Convention orchidee: positif vers le haut
	437	fluxsens(1:knon) = -1. * fluxsens(1:knon)
	438	fluxlat(1:knon) = -1. * fluxlat(1:knon)
	439
	440	! evap = -1. * evap
	441
	442	IF (debut) lrestart_read = .FALSE.
	443
[987]	444	IF (debut) CALL Finalize_surf_para
	445
[781]	446	END SUBROUTINE surf_land_orchidee
	447	!
	448	!****************************************************************************************
	449	!
[987]	450	SUBROUTINE Init_orchidee_index(knon,knindex,offset,ktindex)
	451	USE mod_surf_para
	452	USE mod_grid_phy_lmdz
	453
	454	INTEGER,INTENT(IN) :: knon
	455	INTEGER,INTENT(IN) :: knindex(klon)
	456	INTEGER,INTENT(OUT) :: offset
	457	INTEGER,INTENT(OUT) :: ktindex(klon)
[781]	458
[987]	459	INTEGER :: ktindex_glo(knon_glo)
	460	INTEGER :: offset_para(0:omp_size*mpi_size-1)
	461	INTEGER :: LastPoint
	462	INTEGER :: task
[781]	463
[987]	464	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
[781]	465
[987]	466	CALL gather_surf(ktindex(1:knon),ktindex_glo)
	467
	468	IF (is_mpi_root .AND. is_omp_root) THEN
	469	LastPoint=0
	470	DO Task=0,mpi_size*omp_size-1
	471	IF (knon_glo_para(Task)>0) THEN
	472	offset_para(task)= LastPoint-MOD(LastPoint,nbp_lon)
	473	LastPoint=ktindex_glo(knon_glo_end_para(task))
	474	ENDIF
	475	ENDDO
[781]	476	ENDIF
	477
[987]	478	CALL bcast(offset_para)
[781]	479
[987]	480	offset=offset_para(omp_size*mpi_rank+omp_rank)
	481
	482	ktindex(1:knon)=ktindex(1:knon)-offset
[781]	483
[987]	484	END SUBROUTINE Init_orchidee_index
	485
[781]	486	!
[987]	487	!*********************** *************************************************************
[781]	488	!
[987]	489
	490	SUBROUTINE Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
	491	USE mod_surf_para
	492
[1001]	493	#ifdef CPP_MPI
[781]	494	INCLUDE 'mpif.h'
	495	#endif
	496
	497	INTEGER,INTENT(OUT) :: orch_comm
[987]	498	INTEGER,INTENT(OUT) :: orch_omp_size
	499	INTEGER,INTENT(OUT) :: orch_omp_rank
[781]	500	INTEGER :: color
[987]	501	INTEGER :: i,ierr
[802]	502	!
	503	! End definition
	504	!****************************************************************************************
[781]	505
[987]	506
	507	IF (is_omp_root) THEN
	508
	509	IF (knon_mpi==0) THEN
	510	color = 0
	511	ELSE
	512	color = 1
	513	ENDIF
	514
[1001]	515	#ifdef CPP_MPI
[987]	516	CALL MPI_COMM_SPLIT(COMM_LMDZ_PHY,color,mpi_rank,orch_comm,ierr)
[781]	517	#endif
[1023]	518
	519	ENDIF
	520	CALL bcast_omp(orch_comm)
	521
	522	IF (knon_mpi /= 0) THEN
	523	orch_omp_size=0
	524	DO i=0,omp_size-1
	525	IF (knon_omp_para(i) /=0) THEN
	526	orch_omp_size=orch_omp_size+1
	527	IF (i==omp_rank) orch_omp_rank=orch_omp_size-1
	528	ENDIF
	529	ENDDO
	530	ENDIF
[987]	531
[781]	532
	533	END SUBROUTINE Get_orchidee_communicator
	534	!
	535	!****************************************************************************************
	536	!
[987]	537
	538	SUBROUTINE Init_neighbours(knon,neighbours,knindex,pctsrf)
	539	USE mod_grid_phy_lmdz
	540	USE mod_surf_para
[781]	541	INCLUDE "indicesol.h"
[987]	542
[1001]	543	#ifdef CPP_MPI
[781]	544	INCLUDE 'mpif.h'
	545	#endif
	546
[802]	547	! Input arguments
	548	!****************************************************************************************
[781]	549	INTEGER, INTENT(IN) :: knon
[987]	550	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
[781]	551	REAL, DIMENSION(klon), INTENT(IN) :: pctsrf
	552
[802]	553	! Output arguments
	554	!****************************************************************************************
	555	INTEGER, DIMENSION(knon,8), INTENT(OUT) :: neighbours
	556
	557	! Local variables
	558	!****************************************************************************************
	559	INTEGER :: i, igrid, jj, ij, iglob
	560	INTEGER :: ierr, ireal, index
	561	INTEGER, DIMENSION(8,3) :: off_ini
	562	INTEGER, DIMENSION(8) :: offset
[987]	563	INTEGER, DIMENSION(nbp_lon,nbp_lat) :: correspond
	564	INTEGER, DIMENSION(knon_glo) :: ktindex_glo
	565	INTEGER, DIMENSION(knon_glo,8) :: neighbours_glo
	566	REAL, DIMENSION(klon_glo) :: pctsrf_glo
	567	INTEGER :: ktindex(klon)
[802]	568	!
	569	! End definition
	570	!****************************************************************************************
	571
[987]	572	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
[781]	573
[987]	574	CALL gather_surf(ktindex(1:knon),ktindex_glo)
	575	CALL gather(pctsrf,pctsrf_glo)
[781]	576
[987]	577	IF (is_mpi_root .AND. is_omp_root) THEN
	578	neighbours_glo(:,:)=-1
[781]	579	! Initialisation des offset
	580	!
	581	! offset bord ouest
[987]	582	off_ini(1,1) = - nbp_lon ; off_ini(2,1) = - nbp_lon + 1 ; off_ini(3,1) = 1
	583	off_ini(4,1) = nbp_lon + 1 ; off_ini(5,1) = nbp_lon ; off_ini(6,1) = 2 * nbp_lon - 1
	584	off_ini(7,1) = nbp_lon -1 ; off_ini(8,1) = - 1
[781]	585	! offset point normal
[987]	586	off_ini(1,2) = - nbp_lon ; off_ini(2,2) = - nbp_lon + 1 ; off_ini(3,2) = 1
	587	off_ini(4,2) = nbp_lon + 1 ; off_ini(5,2) = nbp_lon ; off_ini(6,2) = nbp_lon - 1
	588	off_ini(7,2) = -1 ; off_ini(8,2) = - nbp_lon - 1
[781]	589	! offset bord est
[987]	590	off_ini(1,3) = - nbp_lon ; off_ini(2,3) = - 2 * nbp_lon + 1 ; off_ini(3,3) = - nbp_lon + 1
	591	off_ini(4,3) = 1 ; off_ini(5,3) = nbp_lon ; off_ini(6,3) = nbp_lon - 1
	592	off_ini(7,3) = -1 ; off_ini(8,3) = - nbp_lon - 1
[781]	593	!
	594	!
	595	! Attention aux poles
	596	!
[987]	597	DO igrid = 1, knon_glo
	598	index = ktindex_glo(igrid)
	599	jj = INT((index - 1)/nbp_lon) + 1
	600	ij = index - (jj - 1) * nbp_lon
[781]	601	correspond(ij,jj) = igrid
	602	ENDDO
	603
[987]	604	DO igrid = 1, knon_glo
	605	iglob = ktindex_glo(igrid)
	606
	607	IF (MOD(iglob, nbp_lon) == 1) THEN
[781]	608	offset = off_ini(:,1)
[987]	609	ELSE IF(MOD(iglob, nbp_lon) == 0) THEN
[781]	610	offset = off_ini(:,3)
	611	ELSE
	612	offset = off_ini(:,2)
	613	ENDIF
[987]	614
[781]	615	DO i = 1, 8
	616	index = iglob + offset(i)
[987]	617	ireal = (MIN(MAX(1, index - nbp_lon + 1), klon_glo))
	618	IF (pctsrf_glo(ireal) > EPSFRA) THEN
	619	jj = INT((index - 1)/nbp_lon) + 1
	620	ij = index - (jj - 1) * nbp_lon
	621	neighbours_glo(igrid, i) = correspond(ij, jj)
[781]	622	ENDIF
	623	ENDDO
	624	ENDDO
	625
	626	ENDIF
	627
[987]	628	DO i = 1, 8
	629	CALL scatter_surf(neighbours_glo(:,i),neighbours(1:knon,i))
[781]	630	ENDDO
	631	END SUBROUTINE Init_neighbours
[987]	632
[781]	633	!
	634	!****************************************************************************************
	635	!
[1146]	636	#endif
[781]	637	END MODULE surf_land_orchidee_mod

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