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surf_land_orchidee_mod.F90 @ 2311

Last change on this file since 2311 was 2311, checked in by Ehouarn Millour, 9 years ago

Further modifications to enforce physics/dynamics separation:

moved iniprint.h and misc_mod back to dyn3d_common, as these should only be used by dynamics.
created print_control_mod in the physics to store flags prt_level, lunout, debug to be local to physics (should be used rather than iniprint.h)
created abort_physic.F90 , which does the same job as abort_gcm() did, but should be used instead when in physics.
reactivated inifis (turned it into a module, inifis_mod.F90) to initialize physical constants and print_control_mod flags.

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:executable set to *
Property svn:keywords set to Author Date Id Revision

File size: 22.1 KB

Line
1	!
2	MODULE surf_land_orchidee_mod
3	#ifndef ORCHIDEE_NOOPENMP
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
13	#ifdef CPP_VEGET
14	USE intersurf ! module d'ORCHIDEE
15	#endif
16	USE cpl_mod, ONLY : cpl_send_land_fields
17	USE surface_data, ONLY : type_ocean
18	USE comgeomphy, ONLY : cuphy, cvphy
19	USE mod_grid_phy_lmdz
20	USE mod_phys_lmdz_para, mpi_root_rank=>mpi_root
21
22	IMPLICIT NONE
23
24	PRIVATE
25	PUBLIC :: surf_land_orchidee
26
27	LOGICAL, ALLOCATABLE, SAVE :: flag_omp(:)
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, gustiness, temp_air, spechum, epot_air, ccanopy, &
36	tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
37	precip_rain, precip_snow, lwdown, swnet, swdown, &
38	ps, q2m, t2m, &
39	evap, fluxsens, fluxlat, &
40	tsol_rad, tsurf_new, alb1_new, alb2_new, &
41	emis_new, z0_new, qsurf)
42
43	USE mod_surf_para
44	USE mod_synchro_omp
45	USE carbon_cycle_mod, ONLY : carbon_cycle_cpl
46	USE indice_sol_mod
47	USE print_control_mod, ONLY: lunout
48	!
49	! Cette routine sert d'interface entre le modele atmospherique et le
50	! modele de sol continental. Appel a sechiba
51	!
52	! L. Fairhead 02/2000
53	!
54	! input:
55	! itime numero du pas de temps
56	! dtime pas de temps de la physique (en s)
57	! nisurf index de la surface a traiter (1 = sol continental)
58	! knon nombre de points de la surface a traiter
59	! knindex index des points de la surface a traiter
60	! rlon longitudes de la grille entiere
61	! rlat latitudes de la grille entiere
62	! pctsrf tableau des fractions de surface de chaque maille
63	! debut logical: 1er appel a la physique (lire les restart)
64	! lafin logical: dernier appel a la physique (ecrire les restart)
65	! (si false calcul simplifie des fluxs sur les continents)
66	! plev hauteur de la premiere couche (Pa)
67	! u1_lay vitesse u 1ere couche
68	! v1_lay vitesse v 1ere couche
69	! temp_air temperature de l'air 1ere couche
70	! spechum humidite specifique 1ere couche
71	! epot_air temp pot de l'air
72	! ccanopy concentration CO2 canopee, correspond au co2_send de
73	! carbon_cycle_mod ou valeur constant co2_ppm
74	! tq_cdrag cdrag
75	! petAcoef coeff. A de la resolution de la CL pour t
76	! peqAcoef coeff. A de la resolution de la CL pour q
77	! petBcoef coeff. B de la resolution de la CL pour t
78	! peqBcoef coeff. B de la resolution de la CL pour q
79	! precip_rain precipitation liquide
80	! precip_snow precipitation solide
81	! lwdown flux IR descendant a la surface
82	! swnet flux solaire net
83	! swdown flux solaire entrant a la surface
84	! ps pression au sol
85	! radsol rayonnement net aus sol (LW + SW)
86	!
87	!
88	! output:
89	! evap evaporation totale
90	! fluxsens flux de chaleur sensible
91	! fluxlat flux de chaleur latente
92	! tsol_rad
93	! tsurf_new temperature au sol
94	! alb1_new albedo in visible SW interval
95	! alb2_new albedo in near IR interval
96	! emis_new emissivite
97	! z0_new surface roughness
98	! qsurf air moisture at surface
99	!
100	INCLUDE "temps.h"
101	INCLUDE "YOMCST.h"
102	INCLUDE "dimensions.h"
103
104	!
105	! Parametres d'entree
106	!****************************************************************************************
107	INTEGER, INTENT(IN) :: itime
108	REAL, INTENT(IN) :: dtime
109	REAL, INTENT(IN) :: date0
110	INTEGER, INTENT(IN) :: knon
111	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
112	LOGICAL, INTENT(IN) :: debut, lafin
113	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
114	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
115	REAL, DIMENSION(klon), INTENT(IN) :: plev
116	REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay, gustiness
117	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
118	REAL, DIMENSION(klon), INTENT(IN) :: epot_air, ccanopy
119	REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag
120	REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef
121	REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef
122	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
123	REAL, DIMENSION(klon), INTENT(IN) :: lwdown, swnet, swdown, ps
124	REAL, DIMENSION(klon), INTENT(IN) :: q2m, t2m
125
126	! Parametres de sortie
127	!****************************************************************************************
128	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat, qsurf
129	REAL, DIMENSION(klon), INTENT(OUT) :: tsol_rad, tsurf_new
130	REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new, alb2_new
131	REAL, DIMENSION(klon), INTENT(OUT) :: emis_new, z0_new
132
133	! Local
134	!****************************************************************************************
135	INTEGER :: ij, jj, igrid, ireal, index
136	INTEGER :: error
137	REAL, DIMENSION(klon) :: swdown_vrai
138	CHARACTER (len = 20) :: modname = 'surf_land_orchidee'
139	CHARACTER (len = 80) :: abort_message
140	LOGICAL,SAVE :: check = .FALSE.
141	!$OMP THREADPRIVATE(check)
142
143	! type de couplage dans sechiba
144	! character (len=10) :: coupling = 'implicit'
145	! drapeaux controlant les appels dans SECHIBA
146	! type(control_type), save :: control_in
147	! Preserved albedo
148	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: albedo_keep, zlev
149	!$OMP THREADPRIVATE(albedo_keep,zlev)
150	! coordonnees geographiques
151	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: lalo
152	!$OMP THREADPRIVATE(lalo)
153	! pts voisins
154	INTEGER,ALLOCATABLE, DIMENSION(:,:), SAVE :: neighbours
155	!$OMP THREADPRIVATE(neighbours)
156	! fractions continents
157	REAL,ALLOCATABLE, DIMENSION(:), SAVE :: contfrac
158	!$OMP THREADPRIVATE(contfrac)
159	! resolution de la grille
160	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: resolution
161	!$OMP THREADPRIVATE(resolution)
162
163	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: lon_scat, lat_scat
164	!$OMP THREADPRIVATE(lon_scat,lat_scat)
165
166	LOGICAL, SAVE :: lrestart_read = .TRUE.
167	!$OMP THREADPRIVATE(lrestart_read)
168	LOGICAL, SAVE :: lrestart_write = .FALSE.
169	!$OMP THREADPRIVATE(lrestart_write)
170
171	REAL, DIMENSION(knon,2) :: albedo_out
172
173	! Pb de nomenclature
174	REAL, DIMENSION(klon) :: petA_orc, peqA_orc
175	REAL, DIMENSION(klon) :: petB_orc, peqB_orc
176	! Pb de correspondances de grilles
177	INTEGER, DIMENSION(:), SAVE, ALLOCATABLE :: ig, jg
178	!$OMP THREADPRIVATE(ig,jg)
179	INTEGER :: indi, indj
180	INTEGER, SAVE, ALLOCATABLE,DIMENSION(:) :: ktindex
181	!$OMP THREADPRIVATE(ktindex)
182
183	! Essai cdrag
184	REAL, DIMENSION(klon) :: cdrag
185	INTEGER,SAVE :: offset
186	!$OMP THREADPRIVATE(offset)
187
188	REAL, DIMENSION(klon_glo) :: rlon_g,rlat_g
189	INTEGER, SAVE :: orch_comm
190	!$OMP THREADPRIVATE(orch_comm)
191
192	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: coastalflow
193	!$OMP THREADPRIVATE(coastalflow)
194	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: riverflow
195	!$OMP THREADPRIVATE(riverflow)
196
197	INTEGER :: orch_omp_rank
198	INTEGER :: orch_omp_size
199	!
200	! Fin definition
201	!****************************************************************************************
202
203	IF (check) WRITE(lunout,*)'Entree ', modname
204
205	! Initialisation
206
207	IF (debut) THEN
208	! Test of coherence between variable ok_veget and cpp key CPP_VEGET
209	#ifndef CPP_VEGET
210	abort_message='Pb de coherence: ok_veget = .true. mais CPP_VEGET = .false.'
211	CALL abort_physic(modname,abort_message,1)
212	#endif
213
214	CALL Init_surf_para(knon)
215	ALLOCATE(ktindex(knon))
216	IF ( .NOT. ALLOCATED(albedo_keep)) THEN
217	!ym ALLOCATE(albedo_keep(klon))
218	!ym bizarre que non alloué en knon precedement
219	ALLOCATE(albedo_keep(knon))
220	ALLOCATE(zlev(knon))
221	ENDIF
222	! Pb de correspondances de grilles
223	ALLOCATE(ig(klon))
224	ALLOCATE(jg(klon))
225	ig(1) = 1
226	jg(1) = 1
227	indi = 0
228	indj = 2
229	DO igrid = 2, klon - 1
230	indi = indi + 1
231	IF ( indi > iim) THEN
232	indi = 1
233	indj = indj + 1
234	ENDIF
235	ig(igrid) = indi
236	jg(igrid) = indj
237	ENDDO
238	ig(klon) = 1
239	jg(klon) = jjm + 1
240
241	IF ((.NOT. ALLOCATED(lalo))) THEN
242	ALLOCATE(lalo(knon,2), stat = error)
243	IF (error /= 0) THEN
244	abort_message='Pb allocation lalo'
245	CALL abort_physic(modname,abort_message,1)
246	ENDIF
247	ENDIF
248	IF ((.NOT. ALLOCATED(lon_scat))) THEN
249	ALLOCATE(lon_scat(iim,jjm+1), stat = error)
250	IF (error /= 0) THEN
251	abort_message='Pb allocation lon_scat'
252	CALL abort_physic(modname,abort_message,1)
253	ENDIF
254	ENDIF
255	IF ((.NOT. ALLOCATED(lat_scat))) THEN
256	ALLOCATE(lat_scat(iim,jjm+1), stat = error)
257	IF (error /= 0) THEN
258	abort_message='Pb allocation lat_scat'
259	CALL abort_physic(modname,abort_message,1)
260	ENDIF
261	ENDIF
262	lon_scat = 0.
263	lat_scat = 0.
264	DO igrid = 1, knon
265	index = knindex(igrid)
266	lalo(igrid,2) = rlon(index)
267	lalo(igrid,1) = rlat(index)
268	ENDDO
269
270
271
272	CALL Gather(rlon,rlon_g)
273	CALL Gather(rlat,rlat_g)
274
275	IF (is_mpi_root) THEN
276	index = 1
277	DO jj = 2, jjm
278	DO ij = 1, iim
279	index = index + 1
280	lon_scat(ij,jj) = rlon_g(index)
281	lat_scat(ij,jj) = rlat_g(index)
282	ENDDO
283	ENDDO
284	lon_scat(:,1) = lon_scat(:,2)
285	lat_scat(:,1) = rlat_g(1)
286	lon_scat(:,jjm+1) = lon_scat(:,2)
287	lat_scat(:,jjm+1) = rlat_g(klon_glo)
288	ENDIF
289
290	CALL bcast(lon_scat)
291	CALL bcast(lat_scat)
292	!
293	! Allouer et initialiser le tableau des voisins et des fraction de continents
294	!
295	IF ( (.NOT.ALLOCATED(neighbours))) THEN
296	ALLOCATE(neighbours(knon,8), stat = error)
297	IF (error /= 0) THEN
298	abort_message='Pb allocation neighbours'
299	CALL abort_physic(modname,abort_message,1)
300	ENDIF
301	ENDIF
302	neighbours = -1.
303	IF (( .NOT. ALLOCATED(contfrac))) THEN
304	ALLOCATE(contfrac(knon), stat = error)
305	IF (error /= 0) THEN
306	abort_message='Pb allocation contfrac'
307	CALL abort_physic(modname,abort_message,1)
308	ENDIF
309	ENDIF
310
311	DO igrid = 1, knon
312	ireal = knindex(igrid)
313	contfrac(igrid) = pctsrf(ireal,is_ter)
314	ENDDO
315
316
317	CALL Init_neighbours(knon,neighbours,knindex,pctsrf(:,is_ter))
318
319	!
320	! Allocation et calcul resolutions
321	IF ( (.NOT.ALLOCATED(resolution))) THEN
322	ALLOCATE(resolution(knon,2), stat = error)
323	IF (error /= 0) THEN
324	abort_message='Pb allocation resolution'
325	CALL abort_physic(modname,abort_message,1)
326	ENDIF
327	ENDIF
328	DO igrid = 1, knon
329	ij = knindex(igrid)
330	resolution(igrid,1) = cuphy(ij)
331	resolution(igrid,2) = cvphy(ij)
332	ENDDO
333
334	ALLOCATE(coastalflow(klon), stat = error)
335	IF (error /= 0) THEN
336	abort_message='Pb allocation coastalflow'
337	CALL abort_physic(modname,abort_message,1)
338	ENDIF
339
340	ALLOCATE(riverflow(klon), stat = error)
341	IF (error /= 0) THEN
342	abort_message='Pb allocation riverflow'
343	CALL abort_physic(modname,abort_message,1)
344	ENDIF
345	!
346	! carbon_cycle_cpl not possible with this interface and version of ORHCHIDEE
347	!
348	IF (carbon_cycle_cpl) THEN
349	abort_message='carbon_cycle_cpl not yet possible with this interface of ORCHIDEE'
350	CALL abort_physic(modname,abort_message,1)
351	END IF
352
353	ENDIF ! (fin debut)
354
355
356	!
357	! Appel a la routine sols continentaux
358	!
359	IF (lafin) lrestart_write = .TRUE.
360	IF (check) WRITE(lunout,*)'lafin ',lafin,lrestart_write
361
362	petA_orc(1:knon) = petBcoef(1:knon) * dtime
363	petB_orc(1:knon) = petAcoef(1:knon)
364	peqA_orc(1:knon) = peqBcoef(1:knon) * dtime
365	peqB_orc(1:knon) = peqAcoef(1:knon)
366
367	cdrag = 0.
368	cdrag(1:knon) = tq_cdrag(1:knon)
369
370	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/287.05temp_air(1:knon))*9.80665)
371	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/RDtemp_air(1:knon))*RG)
372	zlev(1:knon) = plev(1:knon)RDtemp_air(1:knon)/((ps(1:knon)100.0)RG)
373
374
375	! PF et PASB
376	! where(cdrag > 0.01)
377	! cdrag = 0.01
378	! endwhere
379	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
380
381
382	IF (debut) THEN
383	CALL Init_orchidee_index(knon,knindex,offset,ktindex)
384	CALL Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
385	CALL Init_synchro_omp
386
387	IF (knon > 0) THEN
388	#ifdef CPP_VEGET
389	CALL Init_intersurf(nbp_lon,nbp_lat,knon,ktindex,offset,orch_omp_size,orch_omp_rank,orch_comm)
390	#endif
391	ENDIF
392
393
394	IF (knon > 0) THEN
395
396	#ifdef CPP_VEGET
397	CALL intersurf_main (itime+itau_phy-1, iim, jjm+1, knon, ktindex, dtime, &
398	lrestart_read, lrestart_write, lalo, &
399	contfrac, neighbours, resolution, date0, &
400	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
401	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
402	precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
403	evap, fluxsens, fluxlat, coastalflow, riverflow, &
404	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
405	lon_scat, lat_scat, q2m, t2m)
406	#endif
407	ENDIF
408
409	CALL Synchro_omp
410
411	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
412
413	ENDIF
414
415
416	! swdown_vrai(1:knon) = swnet(1:knon)/(1. - albedo_keep(1:knon))
417	swdown_vrai(1:knon) = swdown(1:knon)
418
419	IF (knon > 0) THEN
420	#ifdef CPP_VEGET
421	CALL intersurf_main (itime+itau_phy, iim, jjm+1, knon, ktindex, dtime, &
422	lrestart_read, lrestart_write, lalo, &
423	contfrac, neighbours, resolution, date0, &
424	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
425	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
426	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown_vrai(1:knon), ps(1:knon), &
427	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
428	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0_new(1:knon), &
429	lon_scat, lat_scat, q2m, t2m)
430	#endif
431	ENDIF
432
433	CALL Synchro_omp
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 (type_ocean=='couple') THEN
440	CALL cpl_send_land_fields(itime, knon, knindex, &
441	riverflow, coastalflow)
442	ENDIF
443
444	alb1_new(1:knon) = albedo_out(1:knon,1)
445	alb2_new(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	IF (debut) CALL Finalize_surf_para
456
457
458	END SUBROUTINE surf_land_orchidee
459	!
460	!****************************************************************************************
461	!
462	SUBROUTINE Init_orchidee_index(knon,knindex,offset,ktindex)
463	USE mod_surf_para
464	USE mod_grid_phy_lmdz
465
466	INTEGER,INTENT(IN) :: knon
467	INTEGER,INTENT(IN) :: knindex(klon)
468	INTEGER,INTENT(OUT) :: offset
469	INTEGER,INTENT(OUT) :: ktindex(klon)
470
471	INTEGER :: ktindex_glo(knon_glo)
472	INTEGER :: offset_para(0:omp_size*mpi_size-1)
473	INTEGER :: LastPoint
474	INTEGER :: task
475
476	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
477
478	CALL gather_surf(ktindex(1:knon),ktindex_glo)
479
480	IF (is_mpi_root .AND. is_omp_root) THEN
481	LastPoint=0
482	DO Task=0,mpi_size*omp_size-1
483	IF (knon_glo_para(Task)>0) THEN
484	offset_para(task)= LastPoint-MOD(LastPoint,nbp_lon)
485	LastPoint=ktindex_glo(knon_glo_end_para(task))
486	ENDIF
487	ENDDO
488	ENDIF
489
490	CALL bcast(offset_para)
491
492	offset=offset_para(omp_size*mpi_rank+omp_rank)
493
494	ktindex(1:knon)=ktindex(1:knon)-offset
495
496	END SUBROUTINE Init_orchidee_index
497
498	!
499	!*********************** *************************************************************
500	!
501
502	SUBROUTINE Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
503	USE mod_surf_para
504
505	#ifdef CPP_MPI
506	INCLUDE 'mpif.h'
507	#endif
508
509	INTEGER,INTENT(OUT) :: orch_comm
510	INTEGER,INTENT(OUT) :: orch_omp_size
511	INTEGER,INTENT(OUT) :: orch_omp_rank
512	INTEGER :: color
513	INTEGER :: i,ierr
514	!
515	! End definition
516	!****************************************************************************************
517
518
519	IF (is_omp_root) THEN
520
521	IF (knon_mpi==0) THEN
522	color = 0
523	ELSE
524	color = 1
525	ENDIF
526
527	#ifdef CPP_MPI
528	CALL MPI_COMM_SPLIT(COMM_LMDZ_PHY,color,mpi_rank,orch_comm,ierr)
529	#endif
530
531	ENDIF
532	CALL bcast_omp(orch_comm)
533
534	IF (knon_mpi /= 0) THEN
535	orch_omp_size=0
536	DO i=0,omp_size-1
537	IF (knon_omp_para(i) /=0) THEN
538	orch_omp_size=orch_omp_size+1
539	IF (i==omp_rank) orch_omp_rank=orch_omp_size-1
540	ENDIF
541	ENDDO
542	ENDIF
543
544
545	END SUBROUTINE Get_orchidee_communicator
546	!
547	!****************************************************************************************
548	!
549
550	SUBROUTINE Init_neighbours(knon,neighbours,knindex,pctsrf)
551	USE mod_grid_phy_lmdz
552	USE mod_surf_para
553	USE indice_sol_mod
554
555	#ifdef CPP_MPI
556	INCLUDE 'mpif.h'
557	#endif
558
559	! Input arguments
560	!****************************************************************************************
561	INTEGER, INTENT(IN) :: knon
562	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
563	REAL, DIMENSION(klon), INTENT(IN) :: pctsrf
564
565	! Output arguments
566	!****************************************************************************************
567	INTEGER, DIMENSION(knon,8), INTENT(OUT) :: neighbours
568
569	! Local variables
570	!****************************************************************************************
571	INTEGER :: i, igrid, jj, ij, iglob
572	INTEGER :: ierr, ireal, index
573	INTEGER, DIMENSION(8,3) :: off_ini
574	INTEGER, DIMENSION(8) :: offset
575	INTEGER, DIMENSION(nbp_lon,nbp_lat) :: correspond
576	INTEGER, DIMENSION(knon_glo) :: ktindex_glo
577	INTEGER, DIMENSION(knon_glo,8) :: neighbours_glo
578	REAL, DIMENSION(klon_glo) :: pctsrf_glo
579	INTEGER :: ktindex(klon)
580	!
581	! End definition
582	!****************************************************************************************
583
584	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
585
586	CALL gather_surf(ktindex(1:knon),ktindex_glo)
587	CALL gather(pctsrf,pctsrf_glo)
588
589	IF (is_mpi_root .AND. is_omp_root) THEN
590	neighbours_glo(:,:)=-1
591	! Initialisation des offset
592	!
593	! offset bord ouest
594	off_ini(1,1) = - nbp_lon ; off_ini(2,1) = - nbp_lon + 1 ; off_ini(3,1) = 1
595	off_ini(4,1) = nbp_lon + 1 ; off_ini(5,1) = nbp_lon ; off_ini(6,1) = 2 * nbp_lon - 1
596	off_ini(7,1) = nbp_lon -1 ; off_ini(8,1) = - 1
597	! offset point normal
598	off_ini(1,2) = - nbp_lon ; off_ini(2,2) = - nbp_lon + 1 ; off_ini(3,2) = 1
599	off_ini(4,2) = nbp_lon + 1 ; off_ini(5,2) = nbp_lon ; off_ini(6,2) = nbp_lon - 1
600	off_ini(7,2) = -1 ; off_ini(8,2) = - nbp_lon - 1
601	! offset bord est
602	off_ini(1,3) = - nbp_lon ; off_ini(2,3) = - 2 * nbp_lon + 1 ; off_ini(3,3) = - nbp_lon + 1
603	off_ini(4,3) = 1 ; off_ini(5,3) = nbp_lon ; off_ini(6,3) = nbp_lon - 1
604	off_ini(7,3) = -1 ; off_ini(8,3) = - nbp_lon - 1
605	!
606	!
607	! Attention aux poles
608	!
609	DO igrid = 1, knon_glo
610	index = ktindex_glo(igrid)
611	jj = INT((index - 1)/nbp_lon) + 1
612	ij = index - (jj - 1) * nbp_lon
613	correspond(ij,jj) = igrid
614	ENDDO
615	!sonia : Les mailles des voisines doivent etre toutes egales (pour couplage orchidee)
616	IF (knon_glo == 1) THEN
617	igrid = 1
618	DO i = 1,8
619	neighbours_glo(igrid, i) = igrid
620	ENDDO
621	ELSE
622	print*,'sonia : knon_glo,ij,jj', knon_glo, ij,jj
623
624	DO igrid = 1, knon_glo
625	iglob = ktindex_glo(igrid)
626
627	IF (MOD(iglob, nbp_lon) == 1) THEN
628	offset = off_ini(:,1)
629	ELSE IF(MOD(iglob, nbp_lon) == 0) THEN
630	offset = off_ini(:,3)
631	ELSE
632	offset = off_ini(:,2)
633	ENDIF
634
635	DO i = 1, 8
636	index = iglob + offset(i)
637	ireal = (MIN(MAX(1, index - nbp_lon + 1), klon_glo))
638	IF (pctsrf_glo(ireal) > EPSFRA) THEN
639	jj = INT((index - 1)/nbp_lon) + 1
640	ij = index - (jj - 1) * nbp_lon
641	neighbours_glo(igrid, i) = correspond(ij, jj)
642	ENDIF
643	ENDDO
644	ENDDO
645	ENDIF !fin knon_glo == 1
646
647	ENDIF
648
649	DO i = 1, 8
650	CALL scatter_surf(neighbours_glo(:,i),neighbours(1:knon,i))
651	ENDDO
652	END SUBROUTINE Init_neighbours
653
654	!
655	!****************************************************************************************
656	!
657	#endif
658	END MODULE surf_land_orchidee_mod

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