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surf_land_orchidee_mod.F90 @ 4962

Last change on this file since 4962 was 1942, checked in by jghattas, 11 years ago
Passing the cosine of solar zenith angle from pbl_surface into orchidee. Matthew McGrath?(LSCE)
Property svn:eol-style set to `native` Property svn:executable set to ``* Property svn:keywords set to `Author Date Id Revision`
File size: 21.7 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, 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, rmu0)
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
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 "iniprint.h"
103	INCLUDE "dimensions.h"
104
105	!
106	! Parametres d'entree
107	!****************************************************************************************
108	INTEGER, INTENT(IN) :: itime
109	REAL, INTENT(IN) :: dtime
110	REAL, INTENT(IN) :: date0
111	INTEGER, INTENT(IN) :: knon
112	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
113	LOGICAL, INTENT(IN) :: debut, lafin
114	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
115	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
116	REAL, DIMENSION(klon), INTENT(IN) :: plev
117	REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay
118	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
119	REAL, DIMENSION(klon), INTENT(IN) :: epot_air, ccanopy
120	REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag
121	REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef
122	REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef
123	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
124	REAL, DIMENSION(klon), INTENT(IN) :: lwdown, swnet, swdown, ps
125	REAL, DIMENSION(klon), INTENT(IN) :: q2m, t2m
126	REAL, DIMENSION(klon), INTENT(IN) :: rmu0
127
128	! Parametres de sortie
129	!****************************************************************************************
130	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat, qsurf
131	REAL, DIMENSION(klon), INTENT(OUT) :: tsol_rad, tsurf_new
132	REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new, alb2_new
133	REAL, DIMENSION(klon), INTENT(OUT) :: emis_new, z0_new
134
135	! Local
136	!****************************************************************************************
137	INTEGER :: ij, jj, igrid, ireal, index
138	INTEGER :: error
139	REAL, DIMENSION(klon) :: swdown_vrai
140	CHARACTER (len = 20) :: modname = 'surf_land_orchidee'
141	CHARACTER (len = 80) :: abort_message
142	LOGICAL,SAVE :: check = .FALSE.
143	!$OMP THREADPRIVATE(check)
144
145	! type de couplage dans sechiba
146	! character (len=10) :: coupling = 'implicit'
147	! drapeaux controlant les appels dans SECHIBA
148	! type(control_type), save :: control_in
149	! Preserved albedo
150	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: albedo_keep, zlev
151	!$OMP THREADPRIVATE(albedo_keep,zlev)
152	! coordonnees geographiques
153	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: lalo
154	!$OMP THREADPRIVATE(lalo)
155	! pts voisins
156	INTEGER,ALLOCATABLE, DIMENSION(:,:), SAVE :: neighbours
157	!$OMP THREADPRIVATE(neighbours)
158	! fractions continents
159	REAL,ALLOCATABLE, DIMENSION(:), SAVE :: contfrac
160	!$OMP THREADPRIVATE(contfrac)
161	! resolution de la grille
162	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: resolution
163	!$OMP THREADPRIVATE(resolution)
164
165	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: lon_scat, lat_scat
166	!$OMP THREADPRIVATE(lon_scat,lat_scat)
167
168	LOGICAL, SAVE :: lrestart_read = .TRUE.
169	!$OMP THREADPRIVATE(lrestart_read)
170	LOGICAL, SAVE :: lrestart_write = .FALSE.
171	!$OMP THREADPRIVATE(lrestart_write)
172
173	REAL, DIMENSION(knon,2) :: albedo_out
174
175	! Pb de nomenclature
176	REAL, DIMENSION(klon) :: petA_orc, peqA_orc
177	REAL, DIMENSION(klon) :: petB_orc, peqB_orc
178	! Pb de correspondances de grilles
179	INTEGER, DIMENSION(:), SAVE, ALLOCATABLE :: ig, jg
180	!$OMP THREADPRIVATE(ig,jg)
181	INTEGER :: indi, indj
182	INTEGER, SAVE, ALLOCATABLE,DIMENSION(:) :: ktindex
183	!$OMP THREADPRIVATE(ktindex)
184
185	! Essai cdrag
186	REAL, DIMENSION(klon) :: cdrag
187	INTEGER,SAVE :: offset
188	!$OMP THREADPRIVATE(offset)
189
190	REAL, DIMENSION(klon_glo) :: rlon_g,rlat_g
191	INTEGER, SAVE :: orch_comm
192	!$OMP THREADPRIVATE(orch_comm)
193
194	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: coastalflow
195	!$OMP THREADPRIVATE(coastalflow)
196	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: riverflow
197	!$OMP THREADPRIVATE(riverflow)
198
199	INTEGER :: orch_omp_rank
200	INTEGER :: orch_omp_size
201
202	REAL, DIMENSION(knon) :: sinang
203
204	!
205	! Fin definition
206	!****************************************************************************************
207
208	IF (check) WRITE(lunout,*)'Entree ', modname
209
210	! Initialisation
211
212	IF (debut) THEN
213	! Test of coherence between variable ok_veget and cpp key CPP_VEGET
214	#ifndef CPP_VEGET
215	abort_message='Pb de coherence: ok_veget = .true. mais CPP_VEGET = .false.'
216	CALL abort_gcm(modname,abort_message,1)
217	#endif
218
219	CALL Init_surf_para(knon)
220	ALLOCATE(ktindex(knon))
221	IF ( .NOT. ALLOCATED(albedo_keep)) THEN
222	!ym ALLOCATE(albedo_keep(klon))
223	!ym bizarre que non alloué en knon precedement
224	ALLOCATE(albedo_keep(knon))
225	ALLOCATE(zlev(knon))
226	ENDIF
227	! Pb de correspondances de grilles
228	ALLOCATE(ig(klon))
229	ALLOCATE(jg(klon))
230	ig(1) = 1
231	jg(1) = 1
232	indi = 0
233	indj = 2
234	DO igrid = 2, klon - 1
235	indi = indi + 1
236	IF ( indi > iim) THEN
237	indi = 1
238	indj = indj + 1
239	ENDIF
240	ig(igrid) = indi
241	jg(igrid) = indj
242	ENDDO
243	ig(klon) = 1
244	jg(klon) = jjm + 1
245
246	IF ((.NOT. ALLOCATED(lalo))) THEN
247	ALLOCATE(lalo(knon,2), stat = error)
248	IF (error /= 0) THEN
249	abort_message='Pb allocation lalo'
250	CALL abort_gcm(modname,abort_message,1)
251	ENDIF
252	ENDIF
253	IF ((.NOT. ALLOCATED(lon_scat))) THEN
254	ALLOCATE(lon_scat(iim,jjm+1), stat = error)
255	IF (error /= 0) THEN
256	abort_message='Pb allocation lon_scat'
257	CALL abort_gcm(modname,abort_message,1)
258	ENDIF
259	ENDIF
260	IF ((.NOT. ALLOCATED(lat_scat))) THEN
261	ALLOCATE(lat_scat(iim,jjm+1), stat = error)
262	IF (error /= 0) THEN
263	abort_message='Pb allocation lat_scat'
264	CALL abort_gcm(modname,abort_message,1)
265	ENDIF
266	ENDIF
267	lon_scat = 0.
268	lat_scat = 0.
269	DO igrid = 1, knon
270	index = knindex(igrid)
271	lalo(igrid,2) = rlon(index)
272	lalo(igrid,1) = rlat(index)
273	ENDDO
274
275
276
277	CALL Gather(rlon,rlon_g)
278	CALL Gather(rlat,rlat_g)
279
280	IF (is_mpi_root) THEN
281	index = 1
282	DO jj = 2, jjm
283	DO ij = 1, iim
284	index = index + 1
285	lon_scat(ij,jj) = rlon_g(index)
286	lat_scat(ij,jj) = rlat_g(index)
287	ENDDO
288	ENDDO
289	lon_scat(:,1) = lon_scat(:,2)
290	lat_scat(:,1) = rlat_g(1)
291	lon_scat(:,jjm+1) = lon_scat(:,2)
292	lat_scat(:,jjm+1) = rlat_g(klon_glo)
293	ENDIF
294
295	CALL bcast(lon_scat)
296	CALL bcast(lat_scat)
297	!
298	! Allouer et initialiser le tableau des voisins et des fraction de continents
299	!
300	IF ( (.NOT.ALLOCATED(neighbours))) THEN
301	ALLOCATE(neighbours(knon,8), stat = error)
302	IF (error /= 0) THEN
303	abort_message='Pb allocation neighbours'
304	CALL abort_gcm(modname,abort_message,1)
305	ENDIF
306	ENDIF
307	neighbours = -1.
308	IF (( .NOT. ALLOCATED(contfrac))) THEN
309	ALLOCATE(contfrac(knon), stat = error)
310	IF (error /= 0) THEN
311	abort_message='Pb allocation contfrac'
312	CALL abort_gcm(modname,abort_message,1)
313	ENDIF
314	ENDIF
315
316	DO igrid = 1, knon
317	ireal = knindex(igrid)
318	contfrac(igrid) = pctsrf(ireal,is_ter)
319	ENDDO
320
321
322	CALL Init_neighbours(knon,neighbours,knindex,pctsrf(:,is_ter))
323
324	!
325	! Allocation et calcul resolutions
326	IF ( (.NOT.ALLOCATED(resolution))) THEN
327	ALLOCATE(resolution(knon,2), stat = error)
328	IF (error /= 0) THEN
329	abort_message='Pb allocation resolution'
330	CALL abort_gcm(modname,abort_message,1)
331	ENDIF
332	ENDIF
333	DO igrid = 1, knon
334	ij = knindex(igrid)
335	resolution(igrid,1) = cuphy(ij)
336	resolution(igrid,2) = cvphy(ij)
337	ENDDO
338
339	ALLOCATE(coastalflow(klon), stat = error)
340	IF (error /= 0) THEN
341	abort_message='Pb allocation coastalflow'
342	CALL abort_gcm(modname,abort_message,1)
343	ENDIF
344
345	ALLOCATE(riverflow(klon), stat = error)
346	IF (error /= 0) THEN
347	abort_message='Pb allocation riverflow'
348	CALL abort_gcm(modname,abort_message,1)
349	ENDIF
350	!
351	! carbon_cycle_cpl not possible with this interface and version of ORHCHIDEE
352	!
353	IF (carbon_cycle_cpl) THEN
354	abort_message='carbon_cycle_cpl not yet possible with this interface of ORCHIDEE'
355	CALL abort_gcm(modname,abort_message,1)
356	END IF
357
358	ENDIF ! (fin debut)
359
360
361	!
362	! Appel a la routine sols continentaux
363	!
364	IF (lafin) lrestart_write = .TRUE.
365	IF (check) WRITE(lunout,*)'lafin ',lafin,lrestart_write
366
367	petA_orc(1:knon) = petBcoef(1:knon) * dtime
368	petB_orc(1:knon) = petAcoef(1:knon)
369	peqA_orc(1:knon) = peqBcoef(1:knon) * dtime
370	peqB_orc(1:knon) = peqAcoef(1:knon)
371
372	cdrag = 0.
373	cdrag(1:knon) = tq_cdrag(1:knon)
374
375	zlev(1:knon) = plev(1:knon)RDtemp_air(1:knon)/((ps(1:knon)100.0)RG)
376
377
378	! PF et PASB
379	! where(cdrag > 0.01)
380	! cdrag = 0.01
381	! endwhere
382	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
383
384
385	IF (debut) THEN
386	CALL Init_orchidee_index(knon,knindex,offset,ktindex)
387	CALL Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
388	CALL Init_synchro_omp
389
390	IF (knon > 0) THEN
391	#ifdef CPP_VEGET
392	CALL Init_intersurf(nbp_lon,nbp_lat,knon,ktindex,offset,orch_omp_size,orch_omp_rank,orch_comm)
393	#endif
394	ENDIF
395
396
397	IF (knon > 0) THEN
398
399	#ifdef CPP_VEGET
400	CALL intersurf_main (itime+itau_phy-1, iim, jjm+1, knon, ktindex, dtime, &
401	lrestart_read, lrestart_write, lalo, &
402	contfrac, neighbours, resolution, date0, &
403	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, ccanopy, &
404	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
405	precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
406	evap, fluxsens, fluxlat, coastalflow, riverflow, &
407	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0_new, &
408	lon_scat, lat_scat, q2m, t2m, sinang=rmu0)
409	#endif
410	ENDIF
411
412	CALL Synchro_omp
413
414	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
415
416	ENDIF
417
418
419	! swdown_vrai(1:knon) = swnet(1:knon)/(1. - albedo_keep(1:knon))
420	swdown_vrai(1:knon) = swdown(1:knon)
421
422	IF (knon > 0) THEN
423	#ifdef CPP_VEGET
424	CALL intersurf_main (itime+itau_phy, iim, jjm+1, knon, ktindex, dtime, &
425	lrestart_read, lrestart_write, lalo, &
426	contfrac, neighbours, resolution, date0, &
427	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
428	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
429	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown_vrai(1:knon), ps(1:knon), &
430	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
431	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0_new(1:knon), &
432	lon_scat, lat_scat, q2m, t2m, sinang=rmu0(1:knon))
433	#endif
434	ENDIF
435
436	CALL Synchro_omp
437
438	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
439
440	!* Send to coupler
441	!
442	IF (type_ocean=='couple') THEN
443	CALL cpl_send_land_fields(itime, knon, knindex, &
444	riverflow, coastalflow)
445	ENDIF
446
447	alb1_new(1:knon) = albedo_out(1:knon,1)
448	alb2_new(1:knon) = albedo_out(1:knon,2)
449
450	! Convention orchidee: positif vers le haut
451	fluxsens(1:knon) = -1. * fluxsens(1:knon)
452	fluxlat(1:knon) = -1. * fluxlat(1:knon)
453
454	! evap = -1. * evap
455
456	IF (debut) lrestart_read = .FALSE.
457
458	IF (debut) CALL Finalize_surf_para
459
460
461	END SUBROUTINE surf_land_orchidee
462	!
463	!****************************************************************************************
464	!
465	SUBROUTINE Init_orchidee_index(knon,knindex,offset,ktindex)
466	USE mod_surf_para
467	USE mod_grid_phy_lmdz
468
469	INTEGER,INTENT(IN) :: knon
470	INTEGER,INTENT(IN) :: knindex(klon)
471	INTEGER,INTENT(OUT) :: offset
472	INTEGER,INTENT(OUT) :: ktindex(klon)
473
474	INTEGER :: ktindex_glo(knon_glo)
475	INTEGER :: offset_para(0:omp_size*mpi_size-1)
476	INTEGER :: LastPoint
477	INTEGER :: task
478
479	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
480
481	CALL gather_surf(ktindex(1:knon),ktindex_glo)
482
483	IF (is_mpi_root .AND. is_omp_root) THEN
484	LastPoint=0
485	DO Task=0,mpi_size*omp_size-1
486	IF (knon_glo_para(Task)>0) THEN
487	offset_para(task)= LastPoint-MOD(LastPoint,nbp_lon)
488	LastPoint=ktindex_glo(knon_glo_end_para(task))
489	ENDIF
490	ENDDO
491	ENDIF
492
493	CALL bcast(offset_para)
494
495	offset=offset_para(omp_size*mpi_rank+omp_rank)
496
497	ktindex(1:knon)=ktindex(1:knon)-offset
498
499	END SUBROUTINE Init_orchidee_index
500
501	!
502	!*********************** *************************************************************
503	!
504
505	SUBROUTINE Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
506	USE mod_surf_para
507
508	#ifdef CPP_MPI
509	INCLUDE 'mpif.h'
510	#endif
511
512	INTEGER,INTENT(OUT) :: orch_comm
513	INTEGER,INTENT(OUT) :: orch_omp_size
514	INTEGER,INTENT(OUT) :: orch_omp_rank
515	INTEGER :: color
516	INTEGER :: i,ierr
517	!
518	! End definition
519	!****************************************************************************************
520
521
522	IF (is_omp_root) THEN
523
524	IF (knon_mpi==0) THEN
525	color = 0
526	ELSE
527	color = 1
528	ENDIF
529
530	#ifdef CPP_MPI
531	CALL MPI_COMM_SPLIT(COMM_LMDZ_PHY,color,mpi_rank,orch_comm,ierr)
532	#endif
533
534	ENDIF
535	CALL bcast_omp(orch_comm)
536
537	IF (knon_mpi /= 0) THEN
538	orch_omp_size=0
539	DO i=0,omp_size-1
540	IF (knon_omp_para(i) /=0) THEN
541	orch_omp_size=orch_omp_size+1
542	IF (i==omp_rank) orch_omp_rank=orch_omp_size-1
543	ENDIF
544	ENDDO
545	ENDIF
546
547
548	END SUBROUTINE Get_orchidee_communicator
549	!
550	!****************************************************************************************
551	!
552
553	SUBROUTINE Init_neighbours(knon,neighbours,knindex,pctsrf)
554	USE mod_grid_phy_lmdz
555	USE mod_surf_para
556	USE indice_sol_mod
557
558	#ifdef CPP_MPI
559	INCLUDE 'mpif.h'
560	#endif
561
562	! Input arguments
563	!****************************************************************************************
564	INTEGER, INTENT(IN) :: knon
565	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
566	REAL, DIMENSION(klon), INTENT(IN) :: pctsrf
567
568	! Output arguments
569	!****************************************************************************************
570	INTEGER, DIMENSION(knon,8), INTENT(OUT) :: neighbours
571
572	! Local variables
573	!****************************************************************************************
574	INTEGER :: i, igrid, jj, ij, iglob
575	INTEGER :: ierr, ireal, index
576	INTEGER, DIMENSION(8,3) :: off_ini
577	INTEGER, DIMENSION(8) :: offset
578	INTEGER, DIMENSION(nbp_lon,nbp_lat) :: correspond
579	INTEGER, DIMENSION(knon_glo) :: ktindex_glo
580	INTEGER, DIMENSION(knon_glo,8) :: neighbours_glo
581	REAL, DIMENSION(klon_glo) :: pctsrf_glo
582	INTEGER :: ktindex(klon)
583	!
584	! End definition
585	!****************************************************************************************
586
587	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
588
589	CALL gather_surf(ktindex(1:knon),ktindex_glo)
590	CALL gather(pctsrf,pctsrf_glo)
591
592	IF (is_mpi_root .AND. is_omp_root) THEN
593	neighbours_glo(:,:)=-1
594	! Initialisation des offset
595	!
596	! offset bord ouest
597	off_ini(1,1) = - nbp_lon ; off_ini(2,1) = - nbp_lon + 1 ; off_ini(3,1) = 1
598	off_ini(4,1) = nbp_lon + 1 ; off_ini(5,1) = nbp_lon ; off_ini(6,1) = 2 * nbp_lon - 1
599	off_ini(7,1) = nbp_lon -1 ; off_ini(8,1) = - 1
600	! offset point normal
601	off_ini(1,2) = - nbp_lon ; off_ini(2,2) = - nbp_lon + 1 ; off_ini(3,2) = 1
602	off_ini(4,2) = nbp_lon + 1 ; off_ini(5,2) = nbp_lon ; off_ini(6,2) = nbp_lon - 1
603	off_ini(7,2) = -1 ; off_ini(8,2) = - nbp_lon - 1
604	! offset bord est
605	off_ini(1,3) = - nbp_lon ; off_ini(2,3) = - 2 * nbp_lon + 1 ; off_ini(3,3) = - nbp_lon + 1
606	off_ini(4,3) = 1 ; off_ini(5,3) = nbp_lon ; off_ini(6,3) = nbp_lon - 1
607	off_ini(7,3) = -1 ; off_ini(8,3) = - nbp_lon - 1
608	!
609	!
610	! Attention aux poles
611	!
612	DO igrid = 1, knon_glo
613	index = ktindex_glo(igrid)
614	jj = INT((index - 1)/nbp_lon) + 1
615	ij = index - (jj - 1) * nbp_lon
616	correspond(ij,jj) = igrid
617	ENDDO
618
619	DO igrid = 1, knon_glo
620	iglob = ktindex_glo(igrid)
621
622	IF (MOD(iglob, nbp_lon) == 1) THEN
623	offset = off_ini(:,1)
624	ELSE IF(MOD(iglob, nbp_lon) == 0) THEN
625	offset = off_ini(:,3)
626	ELSE
627	offset = off_ini(:,2)
628	ENDIF
629
630	DO i = 1, 8
631	index = iglob + offset(i)
632	ireal = (MIN(MAX(1, index - nbp_lon + 1), klon_glo))
633	IF (pctsrf_glo(ireal) > EPSFRA) THEN
634	jj = INT((index - 1)/nbp_lon) + 1
635	ij = index - (jj - 1) * nbp_lon
636	neighbours_glo(igrid, i) = correspond(ij, jj)
637	ENDIF
638	ENDDO
639	ENDDO
640
641	ENDIF
642
643	DO i = 1, 8
644	CALL scatter_surf(neighbours_glo(:,i),neighbours(1:knon,i))
645	ENDDO
646	END SUBROUTINE Init_neighbours
647
648	!
649	!****************************************************************************************
650	!
651	#endif
652	END MODULE surf_land_orchidee_mod

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