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surf_land_orchidee_mod.F90 @ 2934

Last change on this file since 2934 was 2934, checked in by jghattas, 7 years ago
Amelioration/correction pour retro-compatiblite avec different version de ORHCIDEE. Ajoute de test de coherence.
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: 23.2 KB

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1	!
2	MODULE surf_land_orchidee_mod
3	#ifndef ORCHIDEE_NOOPENMP
4	#ifndef ORCHIDEE_NOZ0H
5	#ifndef ORCHIDEE_NOFREIN
6	!
7	! This module controles the interface towards the model ORCHIDEE.
8	!
9	! Compatibility with ORCHIDIEE :
10	! The current version can be used with ORCHIDEE/trunk from revision 4465.
11	! This interface is used if none of the cpp keys ORCHIDEE_NOOPENMP,
12	! ORCHIDEE_NOZ0H or ORCHIDEE_NOFREIN is set.
13	!
14	! Subroutines in this module : surf_land_orchidee
15	! Init_orchidee_index
16	! Get_orchidee_communicator
17	! Init_neighbours
18
19	USE dimphy
20	#ifdef CPP_VEGET
21	USE intersurf ! module d'ORCHIDEE
22	#endif
23	USE cpl_mod, ONLY : cpl_send_land_fields
24	USE surface_data, ONLY : type_ocean
25	USE geometry_mod, ONLY : dx, dy
26	USE mod_grid_phy_lmdz
27	USE mod_phys_lmdz_para, mpi_root_rank=>mpi_master
28
29	IMPLICIT NONE
30
31	PRIVATE
32	PUBLIC :: surf_land_orchidee
33
34	CONTAINS
35	!
36	!****************************************************************************************
37	!
38	SUBROUTINE surf_land_orchidee(itime, dtime, date0, knon, &
39	knindex, rlon, rlat, yrmu0, pctsrf, &
40	debut, lafin, &
41	plev, u1_lay, v1_lay, gustiness, temp_air, spechum, epot_air, ccanopy, &
42	tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
43	precip_rain, precip_snow, lwdown, swnet, swdown, &
44	ps, q2m, t2m, &
45	evap, fluxsens, fluxlat, &
46	tsol_rad, tsurf_new, alb1_new, alb2_new, &
47	emis_new, z0m_new, z0h_new, qsurf, &
48	veget, lai, height )
49
50
51	USE mod_surf_para
52	USE mod_synchro_omp
53	USE carbon_cycle_mod, ONLY : carbon_cycle_cpl
54	USE indice_sol_mod
55	USE print_control_mod, ONLY: lunout
56	USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat
57	#ifdef CPP_VEGET
58	USE time_phylmdz_mod, ONLY: itau_phy
59	#endif
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	INCLUDE "YOMCST.h"
114	INCLUDE "dimpft.h"
115
116
117
118	!
119	! Parametres d'entree
120	!****************************************************************************************
121	INTEGER, INTENT(IN) :: itime
122	REAL, INTENT(IN) :: dtime
123	REAL, INTENT(IN) :: date0
124	INTEGER, INTENT(IN) :: knon
125	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
126	LOGICAL, INTENT(IN) :: debut, lafin
127	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
128	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
129	REAL, DIMENSION(klon), INTENT(IN) :: yrmu0 ! cosine of solar zenith angle
130	REAL, DIMENSION(klon), INTENT(IN) :: plev
131	REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay, gustiness
132	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
133	REAL, DIMENSION(klon), INTENT(IN) :: epot_air, ccanopy
134	REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag
135	REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef
136	REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef
137	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
138	REAL, DIMENSION(klon), INTENT(IN) :: lwdown, swnet, swdown, ps
139	REAL, DIMENSION(klon), INTENT(IN) :: q2m, t2m
140
141	! Parametres de sortie
142	!****************************************************************************************
143	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat, qsurf
144	REAL, DIMENSION(klon), INTENT(OUT) :: tsol_rad, tsurf_new
145	REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new, alb2_new
146	REAL, DIMENSION(klon), INTENT(OUT) :: emis_new, z0m_new, z0h_new
147	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: veget
148	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: lai
149	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: height
150
151
152	! Local
153	!****************************************************************************************
154	INTEGER :: ij, jj, igrid, ireal, index
155	INTEGER :: error
156	REAL, DIMENSION(klon) :: swdown_vrai
157	CHARACTER (len = 20) :: modname = 'surf_land_orchidee'
158	CHARACTER (len = 80) :: abort_message
159	LOGICAL,SAVE :: check = .FALSE.
160	!$OMP THREADPRIVATE(check)
161
162	! type de couplage dans sechiba
163	! character (len=10) :: coupling = 'implicit'
164	! drapeaux controlant les appels dans SECHIBA
165	! type(control_type), save :: control_in
166	! Preserved albedo
167	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: albedo_keep, zlev
168	!$OMP THREADPRIVATE(albedo_keep,zlev)
169	! coordonnees geographiques
170	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: lalo
171	!$OMP THREADPRIVATE(lalo)
172	! pts voisins
173	INTEGER,ALLOCATABLE, DIMENSION(:,:), SAVE :: neighbours
174	!$OMP THREADPRIVATE(neighbours)
175	! fractions continents
176	REAL,ALLOCATABLE, DIMENSION(:), SAVE :: contfrac
177	!$OMP THREADPRIVATE(contfrac)
178	! resolution de la grille
179	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: resolution
180	!$OMP THREADPRIVATE(resolution)
181
182	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: lon_scat, lat_scat
183	!$OMP THREADPRIVATE(lon_scat,lat_scat)
184
185	LOGICAL, SAVE :: lrestart_read = .TRUE.
186	!$OMP THREADPRIVATE(lrestart_read)
187	LOGICAL, SAVE :: lrestart_write = .FALSE.
188	!$OMP THREADPRIVATE(lrestart_write)
189
190	REAL, DIMENSION(knon,2) :: albedo_out
191
192	! Pb de nomenclature
193	REAL, DIMENSION(klon) :: petA_orc, peqA_orc
194	REAL, DIMENSION(klon) :: petB_orc, peqB_orc
195	! Pb de correspondances de grilles
196	INTEGER, DIMENSION(:), SAVE, ALLOCATABLE :: ig, jg
197	!$OMP THREADPRIVATE(ig,jg)
198	INTEGER :: indi, indj
199	INTEGER, SAVE, ALLOCATABLE,DIMENSION(:) :: ktindex
200	!$OMP THREADPRIVATE(ktindex)
201
202	! Essai cdrag
203	REAL, DIMENSION(klon) :: cdrag
204	INTEGER,SAVE :: offset
205	!$OMP THREADPRIVATE(offset)
206
207	REAL, DIMENSION(klon_glo) :: rlon_g,rlat_g
208	INTEGER, SAVE :: orch_comm
209	!$OMP THREADPRIVATE(orch_comm)
210
211	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: coastalflow
212	!$OMP THREADPRIVATE(coastalflow)
213	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: riverflow
214	!$OMP THREADPRIVATE(riverflow)
215
216	INTEGER :: orch_omp_rank
217	INTEGER :: orch_omp_size
218	!
219	! Fin definition
220	!****************************************************************************************
221
222	IF (check) WRITE(lunout,*)'Entree ', modname
223
224	! Initialisation
225
226	IF (debut) THEN
227	! Test of coherence between variable ok_veget and cpp key CPP_VEGET
228	#ifndef CPP_VEGET
229	abort_message='Pb de coherence: ok_veget = .true. mais CPP_VEGET = .false.'
230	CALL abort_physic(modname,abort_message,1)
231	#endif
232
233	CALL Init_surf_para(knon)
234	ALLOCATE(ktindex(knon))
235	IF ( .NOT. ALLOCATED(albedo_keep)) THEN
236	!ym ALLOCATE(albedo_keep(klon))
237	!ym bizarre que non alloué en knon precedement
238	ALLOCATE(albedo_keep(knon))
239	ALLOCATE(zlev(knon))
240	ENDIF
241	! Pb de correspondances de grilles
242	ALLOCATE(ig(klon))
243	ALLOCATE(jg(klon))
244	ig(1) = 1
245	jg(1) = 1
246	indi = 0
247	indj = 2
248	DO igrid = 2, klon - 1
249	indi = indi + 1
250	IF ( indi > nbp_lon) THEN
251	indi = 1
252	indj = indj + 1
253	ENDIF
254	ig(igrid) = indi
255	jg(igrid) = indj
256	ENDDO
257	ig(klon) = 1
258	jg(klon) = nbp_lat
259
260	IF ((.NOT. ALLOCATED(lalo))) THEN
261	ALLOCATE(lalo(knon,2), stat = error)
262	IF (error /= 0) THEN
263	abort_message='Pb allocation lalo'
264	CALL abort_physic(modname,abort_message,1)
265	ENDIF
266	ENDIF
267	IF ((.NOT. ALLOCATED(lon_scat))) THEN
268	ALLOCATE(lon_scat(nbp_lon,nbp_lat), stat = error)
269	IF (error /= 0) THEN
270	abort_message='Pb allocation lon_scat'
271	CALL abort_physic(modname,abort_message,1)
272	ENDIF
273	ENDIF
274	IF ((.NOT. ALLOCATED(lat_scat))) THEN
275	ALLOCATE(lat_scat(nbp_lon,nbp_lat), stat = error)
276	IF (error /= 0) THEN
277	abort_message='Pb allocation lat_scat'
278	CALL abort_physic(modname,abort_message,1)
279	ENDIF
280	ENDIF
281	lon_scat = 0.
282	lat_scat = 0.
283	DO igrid = 1, knon
284	index = knindex(igrid)
285	lalo(igrid,2) = rlon(index)
286	lalo(igrid,1) = rlat(index)
287	ENDDO
288
289
290
291	CALL Gather(rlon,rlon_g)
292	CALL Gather(rlat,rlat_g)
293
294	IF (is_mpi_root) THEN
295	index = 1
296	DO jj = 2, nbp_lat-1
297	DO ij = 1, nbp_lon
298	index = index + 1
299	lon_scat(ij,jj) = rlon_g(index)
300	lat_scat(ij,jj) = rlat_g(index)
301	ENDDO
302	ENDDO
303	lon_scat(:,1) = lon_scat(:,2)
304	lat_scat(:,1) = rlat_g(1)
305	lon_scat(:,nbp_lat) = lon_scat(:,2)
306	lat_scat(:,nbp_lat) = rlat_g(klon_glo)
307	ENDIF
308
309	CALL bcast(lon_scat)
310	CALL bcast(lat_scat)
311	!
312	! Allouer et initialiser le tableau des voisins et des fraction de continents
313	!
314	IF ( (.NOT.ALLOCATED(neighbours))) THEN
315	ALLOCATE(neighbours(knon,8), stat = error)
316	IF (error /= 0) THEN
317	abort_message='Pb allocation neighbours'
318	CALL abort_physic(modname,abort_message,1)
319	ENDIF
320	ENDIF
321	neighbours = -1.
322	IF (( .NOT. ALLOCATED(contfrac))) THEN
323	ALLOCATE(contfrac(knon), stat = error)
324	IF (error /= 0) THEN
325	abort_message='Pb allocation contfrac'
326	CALL abort_physic(modname,abort_message,1)
327	ENDIF
328	ENDIF
329
330	DO igrid = 1, knon
331	ireal = knindex(igrid)
332	contfrac(igrid) = pctsrf(ireal,is_ter)
333	ENDDO
334
335
336	CALL Init_neighbours(knon,neighbours,knindex,pctsrf(:,is_ter))
337
338	!
339	! Allocation et calcul resolutions
340	IF ( (.NOT.ALLOCATED(resolution))) THEN
341	ALLOCATE(resolution(knon,2), stat = error)
342	IF (error /= 0) THEN
343	abort_message='Pb allocation resolution'
344	CALL abort_physic(modname,abort_message,1)
345	ENDIF
346	ENDIF
347	DO igrid = 1, knon
348	ij = knindex(igrid)
349	resolution(igrid,1) = dx(ij)
350	resolution(igrid,2) = dy(ij)
351	ENDDO
352
353	ALLOCATE(coastalflow(klon), stat = error)
354	IF (error /= 0) THEN
355	abort_message='Pb allocation coastalflow'
356	CALL abort_physic(modname,abort_message,1)
357	ENDIF
358
359	ALLOCATE(riverflow(klon), stat = error)
360	IF (error /= 0) THEN
361	abort_message='Pb allocation riverflow'
362	CALL abort_physic(modname,abort_message,1)
363	ENDIF
364	!
365	! carbon_cycle_cpl not possible with this interface and version of ORHCHIDEE
366	!
367	IF (carbon_cycle_cpl) THEN
368	abort_message='carbon_cycle_cpl not yet possible with this interface of ORCHIDEE'
369	CALL abort_physic(modname,abort_message,1)
370	END IF
371
372	ENDIF ! (fin debut)
373
374
375	!
376	! Appel a la routine sols continentaux
377	!
378	IF (lafin) lrestart_write = .TRUE.
379	IF (check) WRITE(lunout,*)'lafin ',lafin,lrestart_write
380
381	petA_orc(1:knon) = petBcoef(1:knon) * dtime
382	petB_orc(1:knon) = petAcoef(1:knon)
383	peqA_orc(1:knon) = peqBcoef(1:knon) * dtime
384	peqB_orc(1:knon) = peqAcoef(1:knon)
385
386	cdrag = 0.
387	cdrag(1:knon) = tq_cdrag(1:knon)
388
389	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/287.05temp_air(1:knon))*9.80665)
390	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/RDtemp_air(1:knon))*RG)
391	zlev(1:knon) = plev(1:knon)RDtemp_air(1:knon)/((ps(1:knon)100.0)RG)
392
393
394	! PF et PASB
395	! where(cdrag > 0.01)
396	! cdrag = 0.01
397	! endwhere
398	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
399
400
401	IF (debut) THEN
402	CALL Init_orchidee_index(knon,knindex,offset,ktindex)
403	CALL Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
404	CALL Init_synchro_omp
405
406	IF (knon > 0) THEN
407	#ifdef CPP_VEGET
408	CALL Init_intersurf(nbp_lon,nbp_lat,knon,ktindex,offset,orch_omp_size,orch_omp_rank,orch_comm)
409	#endif
410	ENDIF
411
412
413	IF (knon > 0) THEN
414
415	#ifdef CPP_VEGET
416	CALL intersurf_initialize_gathered (itime+itau_phy-1, nbp_lon, nbp_lat, knon, ktindex, dtime, &
417	lrestart_read, lrestart_write, lalo, contfrac, neighbours, resolution, date0, &
418	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, &
419	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
420	precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
421	evap, fluxsens, fluxlat, coastalflow, riverflow, &
422	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0m_new, &
423	lon_scat, lat_scat, q2m, t2m, z0h_new, nvm_orch)
424	#endif
425	ENDIF
426
427	CALL Synchro_omp
428
429	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
430
431	ENDIF
432
433
434	! swdown_vrai(1:knon) = swnet(1:knon)/(1. - albedo_keep(1:knon))
435	swdown_vrai(1:knon) = swdown(1:knon)
436
437	IF (knon > 0) THEN
438	#ifdef CPP_VEGET
439	IF (nvm_orch .NE. nvm_lmdz ) THEN
440	abort_message='Pb de dimensiosn PFT: nvm_orch et nvm_lmdz differents.'
441	CALL abort_physic(modname,abort_message,1)
442	ENDIF
443
444	CALL intersurf_main_gathered (itime+itau_phy, nbp_lon, nbp_lat, knon, ktindex, dtime, &
445	lrestart_read, lrestart_write, lalo, &
446	contfrac, neighbours, resolution, date0, &
447	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
448	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
449	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown_vrai(1:knon), ps(1:knon), &
450	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
451	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0m_new(1:knon), &
452	lon_scat, lat_scat, q2m, t2m, z0h_new(1:knon),&
453	veget(1:knon,:),lai(1:knon,:),height(1:knon,:),&
454	coszang=yrmu0(1:knon))
455	#endif
456	ENDIF
457
458	CALL Synchro_omp
459
460	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
461
462	!* Send to coupler
463	!
464	IF (type_ocean=='couple') THEN
465	CALL cpl_send_land_fields(itime, knon, knindex, &
466	riverflow, coastalflow)
467	ENDIF
468
469	alb1_new(1:knon) = albedo_out(1:knon,1)
470	alb2_new(1:knon) = albedo_out(1:knon,2)
471
472	! Convention orchidee: positif vers le haut
473	fluxsens(1:knon) = -1. * fluxsens(1:knon)
474	fluxlat(1:knon) = -1. * fluxlat(1:knon)
475
476	! evap = -1. * evap
477
478	IF (debut) lrestart_read = .FALSE.
479
480	IF (debut) CALL Finalize_surf_para
481
482
483	END SUBROUTINE surf_land_orchidee
484	!
485	!****************************************************************************************
486	!
487	SUBROUTINE Init_orchidee_index(knon,knindex,offset,ktindex)
488	USE mod_surf_para
489	USE mod_grid_phy_lmdz
490
491	INTEGER,INTENT(IN) :: knon
492	INTEGER,INTENT(IN) :: knindex(klon)
493	INTEGER,INTENT(OUT) :: offset
494	INTEGER,INTENT(OUT) :: ktindex(klon)
495
496	INTEGER :: ktindex_glo(knon_glo)
497	INTEGER :: offset_para(0:omp_size*mpi_size-1)
498	INTEGER :: LastPoint
499	INTEGER :: task
500
501	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
502
503	CALL gather_surf(ktindex(1:knon),ktindex_glo)
504
505	IF (is_mpi_root .AND. is_omp_root) THEN
506	LastPoint=0
507	DO Task=0,mpi_size*omp_size-1
508	IF (knon_glo_para(Task)>0) THEN
509	offset_para(task)= LastPoint-MOD(LastPoint,nbp_lon)
510	LastPoint=ktindex_glo(knon_glo_end_para(task))
511	ENDIF
512	ENDDO
513	ENDIF
514
515	CALL bcast(offset_para)
516
517	offset=offset_para(omp_size*mpi_rank+omp_rank)
518
519	ktindex(1:knon)=ktindex(1:knon)-offset
520
521	END SUBROUTINE Init_orchidee_index
522
523	!
524	!*********************** *************************************************************
525	!
526
527	SUBROUTINE Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
528	USE mod_surf_para
529
530	#ifdef CPP_MPI
531	INCLUDE 'mpif.h'
532	#endif
533
534	INTEGER,INTENT(OUT) :: orch_comm
535	INTEGER,INTENT(OUT) :: orch_omp_size
536	INTEGER,INTENT(OUT) :: orch_omp_rank
537	INTEGER :: color
538	INTEGER :: i,ierr
539	!
540	! End definition
541	!****************************************************************************************
542
543
544	IF (is_omp_root) THEN
545
546	IF (knon_mpi==0) THEN
547	color = 0
548	ELSE
549	color = 1
550	ENDIF
551
552	#ifdef CPP_MPI
553	CALL MPI_COMM_SPLIT(COMM_LMDZ_PHY,color,mpi_rank,orch_comm,ierr)
554	#endif
555
556	ENDIF
557	CALL bcast_omp(orch_comm)
558
559	IF (knon_mpi /= 0) THEN
560	orch_omp_size=0
561	DO i=0,omp_size-1
562	IF (knon_omp_para(i) /=0) THEN
563	orch_omp_size=orch_omp_size+1
564	IF (i==omp_rank) orch_omp_rank=orch_omp_size-1
565	ENDIF
566	ENDDO
567	ENDIF
568
569
570	END SUBROUTINE Get_orchidee_communicator
571	!
572	!****************************************************************************************
573	!
574
575	SUBROUTINE Init_neighbours(knon,neighbours,knindex,pctsrf)
576	USE mod_grid_phy_lmdz
577	USE mod_surf_para
578	USE indice_sol_mod
579
580	#ifdef CPP_MPI
581	INCLUDE 'mpif.h'
582	#endif
583
584	! Input arguments
585	!****************************************************************************************
586	INTEGER, INTENT(IN) :: knon
587	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
588	REAL, DIMENSION(klon), INTENT(IN) :: pctsrf
589
590	! Output arguments
591	!****************************************************************************************
592	INTEGER, DIMENSION(knon,8), INTENT(OUT) :: neighbours
593
594	! Local variables
595	!****************************************************************************************
596	INTEGER :: i, igrid, jj, ij, iglob
597	INTEGER :: ierr, ireal, index
598	INTEGER, DIMENSION(8,3) :: off_ini
599	INTEGER, DIMENSION(8) :: offset
600	INTEGER, DIMENSION(nbp_lon,nbp_lat) :: correspond
601	INTEGER, DIMENSION(knon_glo) :: ktindex_glo
602	INTEGER, DIMENSION(knon_glo,8) :: neighbours_glo
603	REAL, DIMENSION(klon_glo) :: pctsrf_glo
604	INTEGER :: ktindex(klon)
605	!
606	! End definition
607	!****************************************************************************************
608
609	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
610
611	CALL gather_surf(ktindex(1:knon),ktindex_glo)
612	CALL gather(pctsrf,pctsrf_glo)
613
614	IF (is_mpi_root .AND. is_omp_root) THEN
615	neighbours_glo(:,:)=-1
616	! Initialisation des offset
617	!
618	! offset bord ouest
619	off_ini(1,1) = - nbp_lon ; off_ini(2,1) = - nbp_lon + 1 ; off_ini(3,1) = 1
620	off_ini(4,1) = nbp_lon + 1 ; off_ini(5,1) = nbp_lon ; off_ini(6,1) = 2 * nbp_lon - 1
621	off_ini(7,1) = nbp_lon -1 ; off_ini(8,1) = - 1
622	! offset point normal
623	off_ini(1,2) = - nbp_lon ; off_ini(2,2) = - nbp_lon + 1 ; off_ini(3,2) = 1
624	off_ini(4,2) = nbp_lon + 1 ; off_ini(5,2) = nbp_lon ; off_ini(6,2) = nbp_lon - 1
625	off_ini(7,2) = -1 ; off_ini(8,2) = - nbp_lon - 1
626	! offset bord est
627	off_ini(1,3) = - nbp_lon ; off_ini(2,3) = - 2 * nbp_lon + 1 ; off_ini(3,3) = - nbp_lon + 1
628	off_ini(4,3) = 1 ; off_ini(5,3) = nbp_lon ; off_ini(6,3) = nbp_lon - 1
629	off_ini(7,3) = -1 ; off_ini(8,3) = - nbp_lon - 1
630	!
631	!
632	! Attention aux poles
633	!
634	DO igrid = 1, knon_glo
635	index = ktindex_glo(igrid)
636	jj = INT((index - 1)/nbp_lon) + 1
637	ij = index - (jj - 1) * nbp_lon
638	correspond(ij,jj) = igrid
639	ENDDO
640	!sonia : Les mailles des voisines doivent etre toutes egales (pour couplage orchidee)
641	IF (knon_glo == 1) THEN
642	igrid = 1
643	DO i = 1,8
644	neighbours_glo(igrid, i) = igrid
645	ENDDO
646	ELSE
647	print*,'sonia : knon_glo,ij,jj', knon_glo, ij,jj
648
649	DO igrid = 1, knon_glo
650	iglob = ktindex_glo(igrid)
651
652	IF (MOD(iglob, nbp_lon) == 1) THEN
653	offset = off_ini(:,1)
654	ELSE IF(MOD(iglob, nbp_lon) == 0) THEN
655	offset = off_ini(:,3)
656	ELSE
657	offset = off_ini(:,2)
658	ENDIF
659
660	DO i = 1, 8
661	index = iglob + offset(i)
662	ireal = (MIN(MAX(1, index - nbp_lon + 1), klon_glo))
663	IF (pctsrf_glo(ireal) > EPSFRA) THEN
664	jj = INT((index - 1)/nbp_lon) + 1
665	ij = index - (jj - 1) * nbp_lon
666	neighbours_glo(igrid, i) = correspond(ij, jj)
667	ENDIF
668	ENDDO
669	ENDDO
670	ENDIF !fin knon_glo == 1
671
672	ENDIF
673
674	DO i = 1, 8
675	CALL scatter_surf(neighbours_glo(:,i),neighbours(1:knon,i))
676	ENDDO
677	END SUBROUTINE Init_neighbours
678
679	!
680	!****************************************************************************************
681	!
682	#endif
683	#endif
684	#endif
685	END MODULE surf_land_orchidee_mod

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