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surf_land_orchidee_nounstruct_mod.F90 @ 5324

Last change on this file since 5324 was 5305, checked in by abarral, 2 weeks ago
Turn YOMCST2.h.h into module
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1	!
2	MODULE surf_land_orchidee_nounstruct_mod
3	#ifndef ORCHIDEE_NOZ0H
4	#ifdef ORCHIDEE_NOUNSTRUCT
5	!
6	! This module controles the interface towards the model ORCHIDEE.
7	!
8	! Compatibility with ORCHIDIEE :
9	! The current version can be used with ORCHIDEE/trunk from revision xxxx.
10	! This module is compiled only if cpp key ORCHIDEE_NOUNSTRUCT is defined.
11	!
12	! Subroutines in this module : surf_land_orchidee
13	! Init_orchidee_index
14	! Get_orchidee_communicator
15	! Init_neighbours
16
17	USE dimphy
18	#ifdef CPP_VEGET
19	USE intersurf ! module d'ORCHIDEE
20	#endif
21	USE cpl_mod, ONLY : cpl_send_land_fields
22	USE surface_data, ONLY : type_ocean
23	USE geometry_mod, ONLY : dx, dy
24	USE mod_grid_phy_lmdz
25	USE mod_phys_lmdz_para, mpi_root_rank=>mpi_master
26
27	IMPLICIT NONE
28
29	PRIVATE
30	PUBLIC :: surf_land_orchidee
31
32	CONTAINS
33	!
34	!****************************************************************************************
35	!
36	SUBROUTINE surf_land_orchidee(itime, dtime, date0, knon, &
37	knindex, rlon, rlat, yrmu0, pctsrf, &
38	debut, lafin, &
39	plev, u1_lay, v1_lay, gustiness, temp_air, spechum, epot_air, ccanopy, &
40	tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
41	precip_rain, precip_snow, lwdown, swnet, swdown, &
42	ps, q2m, t2m, &
43	evap, fluxsens, fluxlat, &
44	tsol_rad, tsurf_new, alb1_new, alb2_new, &
45	emis_new, z0m_new, z0h_new, qsurf, &
46	veget, lai, height )
47
48
49	USE mod_surf_para
50	USE mod_synchro_omp
51	USE carbon_cycle_mod, ONLY : carbon_cycle_cpl
52	USE indice_sol_mod
53	USE print_control_mod, ONLY: lunout
54	USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat
55	#ifdef CPP_VEGET
56	USE time_phylmdz_mod, ONLY: itau_phy
57	#endif
58	USE yomcst_mod_h
59	USE dimpft_mod_h
60	!
61	! Cette routine sert d'interface entre le modele atmospherique et le
62	! modele de sol continental. Appel a sechiba
63	!
64	! L. Fairhead 02/2000
65	!
66	! input:
67	! itime numero du pas de temps
68	! dtime pas de temps de la physique (en s)
69	! nisurf index de la surface a traiter (1 = sol continental)
70	! knon nombre de points de la surface a traiter
71	! knindex index des points de la surface a traiter
72	! rlon longitudes de la grille entiere
73	! rlat latitudes de la grille entiere
74	! pctsrf tableau des fractions de surface de chaque maille
75	! debut logical: 1er appel a la physique (lire les restart)
76	! lafin logical: dernier appel a la physique (ecrire les restart)
77	! (si false calcul simplifie des fluxs sur les continents)
78	! plev hauteur de la premiere couche (Pa)
79	! u1_lay vitesse u 1ere couche
80	! v1_lay vitesse v 1ere couche
81	! temp_air temperature de l'air 1ere couche
82	! spechum humidite specifique 1ere couche
83	! epot_air temp pot de l'air
84	! ccanopy concentration CO2 canopee, correspond au co2_send de
85	! carbon_cycle_mod ou valeur constant co2_ppm
86	! tq_cdrag cdrag
87	! petAcoef coeff. A de la resolution de la CL pour t
88	! peqAcoef coeff. A de la resolution de la CL pour q
89	! petBcoef coeff. B de la resolution de la CL pour t
90	! peqBcoef coeff. B de la resolution de la CL pour q
91	! precip_rain precipitation liquide
92	! precip_snow precipitation solide
93	! lwdown flux IR descendant a la surface
94	! swnet flux solaire net
95	! swdown flux solaire entrant a la surface
96	! ps pression au sol
97	! radsol rayonnement net aus sol (LW + SW)
98	!
99	!
100	! output:
101	! evap evaporation totale
102	! fluxsens flux de chaleur sensible
103	! fluxlat flux de chaleur latente
104	! tsol_rad
105	! tsurf_new temperature au sol
106	! alb1_new albedo in visible SW interval
107	! alb2_new albedo in near IR interval
108	! emis_new emissivite
109	! z0m_new surface roughness for momentum
110	! z0h_new surface roughness for heat
111	! qsurf air moisture at surface
112	!
113
114	!
115	! Parametres d'entree
116	!****************************************************************************************
117	INTEGER, INTENT(IN) :: itime
118	REAL, INTENT(IN) :: dtime
119	REAL, INTENT(IN) :: date0
120	INTEGER, INTENT(IN) :: knon
121	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
122	LOGICAL, INTENT(IN) :: debut, lafin
123	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
124	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
125	REAL, DIMENSION(klon), INTENT(IN) :: yrmu0 ! cosine of solar zenith angle
126	REAL, DIMENSION(klon), INTENT(IN) :: plev
127	REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay, gustiness
128	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
129	REAL, DIMENSION(klon), INTENT(IN) :: epot_air, ccanopy
130	REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag
131	REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef
132	REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef
133	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
134	REAL, DIMENSION(klon), INTENT(IN) :: lwdown, swnet, swdown, ps
135	REAL, DIMENSION(klon), INTENT(IN) :: q2m, t2m
136
137	! Parametres de sortie
138	!****************************************************************************************
139	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat, qsurf
140	REAL, DIMENSION(klon), INTENT(OUT) :: tsol_rad, tsurf_new
141	REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new, alb2_new
142	REAL, DIMENSION(klon), INTENT(OUT) :: emis_new, z0m_new, z0h_new
143	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: veget
144	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: lai
145	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: height
146
147
148	! Local
149	!****************************************************************************************
150	INTEGER :: ij, jj, igrid, ireal, index
151	INTEGER :: error
152	REAL, DIMENSION(klon) :: swdown_vrai
153	CHARACTER (len = 20) :: modname = 'surf_land_orchidee'
154	CHARACTER (len = 80) :: abort_message
155	LOGICAL,SAVE :: check = .FALSE.
156	!$OMP THREADPRIVATE(check)
157
158	! type de couplage dans sechiba
159	! character (len=10) :: coupling = 'implicit'
160	! drapeaux controlant les appels dans SECHIBA
161	! type(control_type), save :: control_in
162	! Preserved albedo
163	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: albedo_keep, zlev
164	!$OMP THREADPRIVATE(albedo_keep,zlev)
165	! coordonnees geographiques
166	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: lalo
167	!$OMP THREADPRIVATE(lalo)
168	! pts voisins
169	INTEGER,ALLOCATABLE, DIMENSION(:,:), SAVE :: neighbours
170	!$OMP THREADPRIVATE(neighbours)
171	! fractions continents
172	REAL,ALLOCATABLE, DIMENSION(:), SAVE :: contfrac
173	!$OMP THREADPRIVATE(contfrac)
174	! resolution de la grille
175	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: resolution
176	!$OMP THREADPRIVATE(resolution)
177
178	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: lon_scat, lat_scat
179	!$OMP THREADPRIVATE(lon_scat,lat_scat)
180
181	LOGICAL, SAVE :: lrestart_read = .TRUE.
182	!$OMP THREADPRIVATE(lrestart_read)
183	LOGICAL, SAVE :: lrestart_write = .FALSE.
184	!$OMP THREADPRIVATE(lrestart_write)
185
186	REAL, DIMENSION(knon,2) :: albedo_out
187
188	! Pb de nomenclature
189	REAL, DIMENSION(klon) :: petA_orc, peqA_orc
190	REAL, DIMENSION(klon) :: petB_orc, peqB_orc
191	! Pb de correspondances de grilles
192	INTEGER, DIMENSION(:), SAVE, ALLOCATABLE :: ig, jg
193	!$OMP THREADPRIVATE(ig,jg)
194	INTEGER :: indi, indj
195	INTEGER, SAVE, ALLOCATABLE,DIMENSION(:) :: ktindex
196	!$OMP THREADPRIVATE(ktindex)
197
198	! Essai cdrag
199	REAL, DIMENSION(klon) :: cdrag
200	INTEGER,SAVE :: offset
201	!$OMP THREADPRIVATE(offset)
202
203	REAL, DIMENSION(klon_glo) :: rlon_g,rlat_g
204	INTEGER, SAVE :: orch_comm
205	!$OMP THREADPRIVATE(orch_comm)
206
207	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: coastalflow
208	!$OMP THREADPRIVATE(coastalflow)
209	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: riverflow
210	!$OMP THREADPRIVATE(riverflow)
211
212	INTEGER :: orch_omp_rank
213	INTEGER :: orch_omp_size
214	!
215	! Fin definition
216	!****************************************************************************************
217
218	IF (check) WRITE(lunout,*)'Entree ', modname
219
220	! Initialisation
221
222	IF (debut) THEN
223	! Test of coherence between variable ok_veget and cpp key CPP_VEGET
224	#ifndef CPP_VEGET
225	abort_message='Pb de coherence: ok_veget = .true. mais CPP_VEGET = .false.'
226	CALL abort_physic(modname,abort_message,1)
227	#endif
228
229	CALL Init_surf_para(knon)
230	ALLOCATE(ktindex(knon))
231	IF ( .NOT. ALLOCATED(albedo_keep)) THEN
232	!ym ALLOCATE(albedo_keep(klon))
233	!ym bizarre que non allou� en knon precedement
234	ALLOCATE(albedo_keep(knon))
235	ALLOCATE(zlev(knon))
236	ENDIF
237	! Pb de correspondances de grilles
238	ALLOCATE(ig(klon))
239	ALLOCATE(jg(klon))
240	ig(1) = 1
241	jg(1) = 1
242	indi = 0
243	indj = 2
244	DO igrid = 2, klon - 1
245	indi = indi + 1
246	IF ( indi > nbp_lon) THEN
247	indi = 1
248	indj = indj + 1
249	ENDIF
250	ig(igrid) = indi
251	jg(igrid) = indj
252	ENDDO
253	ig(klon) = 1
254	jg(klon) = nbp_lat
255
256	IF ((.NOT. ALLOCATED(lalo))) THEN
257	ALLOCATE(lalo(knon,2), stat = error)
258	IF (error /= 0) THEN
259	abort_message='Pb allocation lalo'
260	CALL abort_physic(modname,abort_message,1)
261	ENDIF
262	ENDIF
263	IF ((.NOT. ALLOCATED(lon_scat))) THEN
264	ALLOCATE(lon_scat(nbp_lon,nbp_lat), stat = error)
265	IF (error /= 0) THEN
266	abort_message='Pb allocation lon_scat'
267	CALL abort_physic(modname,abort_message,1)
268	ENDIF
269	ENDIF
270	IF ((.NOT. ALLOCATED(lat_scat))) THEN
271	ALLOCATE(lat_scat(nbp_lon,nbp_lat), stat = error)
272	IF (error /= 0) THEN
273	abort_message='Pb allocation lat_scat'
274	CALL abort_physic(modname,abort_message,1)
275	ENDIF
276	ENDIF
277	lon_scat = 0.
278	lat_scat = 0.
279	DO igrid = 1, knon
280	index = knindex(igrid)
281	lalo(igrid,2) = rlon(index)
282	lalo(igrid,1) = rlat(index)
283	ENDDO
284
285
286
287	CALL Gather(rlon,rlon_g)
288	CALL Gather(rlat,rlat_g)
289
290	IF (is_mpi_root) THEN
291	index = 1
292	DO jj = 2, nbp_lat-1
293	DO ij = 1, nbp_lon
294	index = index + 1
295	lon_scat(ij,jj) = rlon_g(index)
296	lat_scat(ij,jj) = rlat_g(index)
297	ENDDO
298	ENDDO
299	lon_scat(:,1) = lon_scat(:,2)
300	lat_scat(:,1) = rlat_g(1)
301	lon_scat(:,nbp_lat) = lon_scat(:,2)
302	lat_scat(:,nbp_lat) = rlat_g(klon_glo)
303	ENDIF
304
305	CALL bcast(lon_scat)
306	CALL bcast(lat_scat)
307	!
308	! Allouer et initialiser le tableau des voisins et des fraction de continents
309	!
310	IF ( (.NOT.ALLOCATED(neighbours))) THEN
311	ALLOCATE(neighbours(knon,8), stat = error)
312	IF (error /= 0) THEN
313	abort_message='Pb allocation neighbours'
314	CALL abort_physic(modname,abort_message,1)
315	ENDIF
316	ENDIF
317	neighbours = -1.
318	IF (( .NOT. ALLOCATED(contfrac))) THEN
319	ALLOCATE(contfrac(knon), stat = error)
320	IF (error /= 0) THEN
321	abort_message='Pb allocation contfrac'
322	CALL abort_physic(modname,abort_message,1)
323	ENDIF
324	ENDIF
325
326	DO igrid = 1, knon
327	ireal = knindex(igrid)
328	contfrac(igrid) = pctsrf(ireal,is_ter)
329	ENDDO
330
331
332	CALL Init_neighbours(knon,neighbours,knindex,pctsrf(:,is_ter))
333
334	!
335	! Allocation et calcul resolutions
336	IF ( (.NOT.ALLOCATED(resolution))) THEN
337	ALLOCATE(resolution(knon,2), stat = error)
338	IF (error /= 0) THEN
339	abort_message='Pb allocation resolution'
340	CALL abort_physic(modname,abort_message,1)
341	ENDIF
342	ENDIF
343	DO igrid = 1, knon
344	ij = knindex(igrid)
345	resolution(igrid,1) = dx(ij)
346	resolution(igrid,2) = dy(ij)
347	ENDDO
348
349	ALLOCATE(coastalflow(klon), stat = error)
350	IF (error /= 0) THEN
351	abort_message='Pb allocation coastalflow'
352	CALL abort_physic(modname,abort_message,1)
353	ENDIF
354
355	ALLOCATE(riverflow(klon), stat = error)
356	IF (error /= 0) THEN
357	abort_message='Pb allocation riverflow'
358	CALL abort_physic(modname,abort_message,1)
359	ENDIF
360	!
361	! carbon_cycle_cpl not possible with this interface and version of ORHCHIDEE
362	!
363	IF (carbon_cycle_cpl) THEN
364	abort_message='carbon_cycle_cpl not yet possible with this interface of ORCHIDEE'
365	CALL abort_physic(modname,abort_message,1)
366	END IF
367
368	ENDIF ! (fin debut)
369
370
371	!
372	! Appel a la routine sols continentaux
373	!
374	IF (lafin) lrestart_write = .TRUE.
375	IF (check) WRITE(lunout,*)'lafin ',lafin,lrestart_write
376
377	petA_orc(1:knon) = petBcoef(1:knon) * dtime
378	petB_orc(1:knon) = petAcoef(1:knon)
379	peqA_orc(1:knon) = peqBcoef(1:knon) * dtime
380	peqB_orc(1:knon) = peqAcoef(1:knon)
381
382	cdrag = 0.
383	cdrag(1:knon) = tq_cdrag(1:knon)
384
385	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/287.05temp_air(1:knon))*9.80665)
386	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/RDtemp_air(1:knon))*RG)
387	zlev(1:knon) = plev(1:knon)RDtemp_air(1:knon)/((ps(1:knon)100.0)RG)
388
389
390	! PF et PASB
391	! where(cdrag > 0.01)
392	! cdrag = 0.01
393	! endwhere
394	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
395
396
397	IF (debut) THEN
398	CALL Init_orchidee_index(knon,knindex,offset,ktindex)
399	CALL Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
400	CALL Init_synchro_omp
401
402	IF (knon > 0) THEN
403	#ifdef CPP_VEGET
404	CALL Init_intersurf(nbp_lon,nbp_lat,knon,ktindex,offset,orch_omp_size,orch_omp_rank,orch_comm)
405	#endif
406	ENDIF
407
408
409	IF (knon > 0) THEN
410
411	#ifdef CPP_VEGET
412	CALL intersurf_initialize_gathered (itime+itau_phy-1, nbp_lon, nbp_lat, knon, ktindex, dtime, &
413	lrestart_read, lrestart_write, lalo, contfrac, neighbours, resolution, date0, &
414	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, &
415	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
416	precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
417	evap, fluxsens, fluxlat, coastalflow, riverflow, &
418	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0m_new, &
419	lon_scat, lat_scat, q2m, t2m, z0h_new, nvm_orch)
420	#endif
421	ENDIF
422
423	CALL Synchro_omp
424
425	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
426
427	ENDIF
428
429
430	! swdown_vrai(1:knon) = swnet(1:knon)/(1. - albedo_keep(1:knon))
431	swdown_vrai(1:knon) = swdown(1:knon)
432
433	IF (knon > 0) THEN
434	#ifdef CPP_VEGET
435	IF (nvm_orch .NE. nvm_lmdz ) THEN
436	abort_message='Pb de dimensiosn PFT: nvm_orch et nvm_lmdz differents.'
437	CALL abort_physic(modname,abort_message,1)
438	ENDIF
439
440	CALL intersurf_main_gathered (itime+itau_phy, nbp_lon, nbp_lat, knon, ktindex, dtime, &
441	lrestart_read, lrestart_write, lalo, &
442	contfrac, neighbours, resolution, date0, &
443	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
444	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
445	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown_vrai(1:knon), ps(1:knon), &
446	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
447	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0m_new(1:knon), &
448	lon_scat, lat_scat, q2m, t2m, z0h_new(1:knon),&
449	veget(1:knon,:),lai(1:knon,:),height(1:knon,:),&
450	coszang=yrmu0(1:knon))
451	#endif
452	ENDIF
453
454	CALL Synchro_omp
455
456	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
457
458	!* Send to coupler
459	!
460	IF (type_ocean=='couple') THEN
461	CALL cpl_send_land_fields(itime, knon, knindex, &
462	riverflow, coastalflow)
463	ENDIF
464
465	alb1_new(1:knon) = albedo_out(1:knon,1)
466	alb2_new(1:knon) = albedo_out(1:knon,2)
467
468	! Convention orchidee: positif vers le haut
469	fluxsens(1:knon) = -1. * fluxsens(1:knon)
470	fluxlat(1:knon) = -1. * fluxlat(1:knon)
471
472	! evap = -1. * evap
473
474	IF (debut) lrestart_read = .FALSE.
475
476	IF (debut) CALL Finalize_surf_para
477
478
479	END SUBROUTINE surf_land_orchidee
480	!
481	!****************************************************************************************
482	!
483	SUBROUTINE Init_orchidee_index(knon,knindex,offset,ktindex)
484	USE mod_surf_para
485	USE mod_grid_phy_lmdz
486
487	INTEGER,INTENT(IN) :: knon
488	INTEGER,INTENT(IN) :: knindex(klon)
489	INTEGER,INTENT(OUT) :: offset
490	INTEGER,INTENT(OUT) :: ktindex(klon)
491
492	INTEGER :: ktindex_glo(knon_glo)
493	INTEGER :: offset_para(0:omp_size*mpi_size-1)
494	INTEGER :: LastPoint
495	INTEGER :: task
496
497	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
498
499	CALL gather_surf(ktindex(1:knon),ktindex_glo)
500
501	IF (is_mpi_root .AND. is_omp_root) THEN
502	LastPoint=0
503	DO Task=0,mpi_size*omp_size-1
504	IF (knon_glo_para(Task)>0) THEN
505	offset_para(task)= LastPoint-MOD(LastPoint,nbp_lon)
506	LastPoint=ktindex_glo(knon_glo_end_para(task))
507	ENDIF
508	ENDDO
509	ENDIF
510
511	CALL bcast(offset_para)
512
513	offset=offset_para(omp_size*mpi_rank+omp_rank)
514
515	ktindex(1:knon)=ktindex(1:knon)-offset
516
517	END SUBROUTINE Init_orchidee_index
518
519	!
520	!*********************** *************************************************************
521	!
522
523	SUBROUTINE Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
524	USE mod_surf_para
525	USE lmdz_mpi
526
527	INTEGER,INTENT(OUT) :: orch_comm
528	INTEGER,INTENT(OUT) :: orch_omp_size
529	INTEGER,INTENT(OUT) :: orch_omp_rank
530	INTEGER :: color
531	INTEGER :: i,ierr
532	!
533	! End definition
534	!****************************************************************************************
535
536
537	IF (is_omp_root) THEN
538
539	IF (knon_mpi==0) THEN
540	color = 0
541	ELSE
542	color = 1
543	ENDIF
544
545	IF (using_mpi) THEN
546	CALL MPI_COMM_SPLIT(COMM_LMDZ_PHY,color,mpi_rank,orch_comm,ierr)
547	ENDIF
548
549	ENDIF
550	CALL bcast_omp(orch_comm)
551
552	IF (knon_mpi /= 0) THEN
553	orch_omp_size=0
554	DO i=0,omp_size-1
555	IF (knon_omp_para(i) /=0) THEN
556	orch_omp_size=orch_omp_size+1
557	IF (i==omp_rank) orch_omp_rank=orch_omp_size-1
558	ENDIF
559	ENDDO
560	ENDIF
561
562
563	END SUBROUTINE Get_orchidee_communicator
564	!
565	!****************************************************************************************
566	!
567
568	SUBROUTINE Init_neighbours(knon,neighbours,knindex,pctsrf)
569	USE mod_grid_phy_lmdz
570	USE mod_surf_para
571	USE indice_sol_mod
572	USE lmdz_mpi
573
574	! Input arguments
575	!****************************************************************************************
576	INTEGER, INTENT(IN) :: knon
577	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
578	REAL, DIMENSION(klon), INTENT(IN) :: pctsrf
579
580	! Output arguments
581	!****************************************************************************************
582	INTEGER, DIMENSION(knon,8), INTENT(OUT) :: neighbours
583
584	! Local variables
585	!****************************************************************************************
586	INTEGER :: i, igrid, jj, ij, iglob
587	INTEGER :: ierr, ireal, index
588	INTEGER, DIMENSION(8,3) :: off_ini
589	INTEGER, DIMENSION(8) :: offset
590	INTEGER, DIMENSION(nbp_lon,nbp_lat) :: correspond
591	INTEGER, DIMENSION(knon_glo) :: ktindex_glo
592	INTEGER, DIMENSION(knon_glo,8) :: neighbours_glo
593	REAL, DIMENSION(klon_glo) :: pctsrf_glo
594	INTEGER :: ktindex(klon)
595	!
596	! End definition
597	!****************************************************************************************
598
599	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
600
601	CALL gather_surf(ktindex(1:knon),ktindex_glo)
602	CALL gather(pctsrf,pctsrf_glo)
603
604	IF (is_mpi_root .AND. is_omp_root) THEN
605	neighbours_glo(:,:)=-1
606	! Initialisation des offset
607	!
608	! offset bord ouest
609	off_ini(1,1) = - nbp_lon ; off_ini(2,1) = - nbp_lon + 1 ; off_ini(3,1) = 1
610	off_ini(4,1) = nbp_lon + 1 ; off_ini(5,1) = nbp_lon ; off_ini(6,1) = 2 * nbp_lon - 1
611	off_ini(7,1) = nbp_lon -1 ; off_ini(8,1) = - 1
612	! offset point normal
613	off_ini(1,2) = - nbp_lon ; off_ini(2,2) = - nbp_lon + 1 ; off_ini(3,2) = 1
614	off_ini(4,2) = nbp_lon + 1 ; off_ini(5,2) = nbp_lon ; off_ini(6,2) = nbp_lon - 1
615	off_ini(7,2) = -1 ; off_ini(8,2) = - nbp_lon - 1
616	! offset bord est
617	off_ini(1,3) = - nbp_lon ; off_ini(2,3) = - 2 * nbp_lon + 1 ; off_ini(3,3) = - nbp_lon + 1
618	off_ini(4,3) = 1 ; off_ini(5,3) = nbp_lon ; off_ini(6,3) = nbp_lon - 1
619	off_ini(7,3) = -1 ; off_ini(8,3) = - nbp_lon - 1
620	!
621	!
622	! Attention aux poles
623	!
624	DO igrid = 1, knon_glo
625	index = ktindex_glo(igrid)
626	jj = INT((index - 1)/nbp_lon) + 1
627	ij = index - (jj - 1) * nbp_lon
628	correspond(ij,jj) = igrid
629	ENDDO
630	!sonia : Les mailles des voisines doivent etre toutes egales (pour couplage orchidee)
631	IF (knon_glo == 1) THEN
632	igrid = 1
633	DO i = 1,8
634	neighbours_glo(igrid, i) = igrid
635	ENDDO
636	ELSE
637	print*,'sonia : knon_glo,ij,jj', knon_glo, ij,jj
638
639	DO igrid = 1, knon_glo
640	iglob = ktindex_glo(igrid)
641
642	IF (MOD(iglob, nbp_lon) == 1) THEN
643	offset = off_ini(:,1)
644	ELSE IF(MOD(iglob, nbp_lon) == 0) THEN
645	offset = off_ini(:,3)
646	ELSE
647	offset = off_ini(:,2)
648	ENDIF
649
650	DO i = 1, 8
651	index = iglob + offset(i)
652	ireal = (MIN(MAX(1, index - nbp_lon + 1), klon_glo))
653	IF (pctsrf_glo(ireal) > EPSFRA) THEN
654	jj = INT((index - 1)/nbp_lon) + 1
655	ij = index - (jj - 1) * nbp_lon
656	neighbours_glo(igrid, i) = correspond(ij, jj)
657	ENDIF
658	ENDDO
659	ENDDO
660	ENDIF !fin knon_glo == 1
661
662	ENDIF
663
664	DO i = 1, 8
665	CALL scatter_surf(neighbours_glo(:,i),neighbours(1:knon,i))
666	ENDDO
667	END SUBROUTINE Init_neighbours
668
669	!
670	!****************************************************************************************
671	!
672	#endif
673	#endif
674	END MODULE surf_land_orchidee_nounstruct_mod

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