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surf_land_orchidee_nofrein_mod.F90 @ 4440

Last change on this file since 4440 was 3102, checked in by oboucher, 7 years ago
Removing x permission from these files
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:keywords set to `Author Date Id Revision`
File size: 23.2 KB

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1	!
2	! $Id: surf_land_orchidee_nofrein_mod.F90 3102 2017-12-03 20:27:42Z fhourdin $
3	!
4	!
5	MODULE surf_land_orchidee_nofrein_mod
6	#ifdef ORCHIDEE_NOFREIN
7	!
8	! This module controles the interface towards the model ORCHIDEE.
9	!
10	! Compatibility with ORCHIDIEE :
11	! This module is compiled only if cpp key ORCHIDEE_NOFREIN is defined.
12	! The current version can be used with ORCHIDEE/trunk from revision 3525-4465
13	! (it can be used for later revisions also but it is not needed.)
14	!
15	!
16	! Subroutines in this module : surf_land_orchidee
17	! Init_orchidee_index
18	! Get_orchidee_communicator
19	! Init_neighbours
20
21	USE dimphy
22	#ifdef CPP_VEGET
23	USE intersurf ! module d'ORCHIDEE
24	#endif
25	USE cpl_mod, ONLY : cpl_send_land_fields
26	USE surface_data, ONLY : type_ocean
27	USE geometry_mod, ONLY : dx, dy
28	USE mod_grid_phy_lmdz
29	USE mod_phys_lmdz_para, mpi_root_rank=>mpi_master
30
31	IMPLICIT NONE
32
33	PRIVATE
34	PUBLIC :: surf_land_orchidee
35
36	CONTAINS
37	!
38	!****************************************************************************************
39	!
40	SUBROUTINE surf_land_orchidee(itime, dtime, date0, knon, &
41	knindex, rlon, rlat, yrmu0, pctsrf, &
42	debut, lafin, &
43	plev, u1_lay, v1_lay, gustiness, temp_air, spechum, epot_air, ccanopy, &
44	tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, &
45	precip_rain, precip_snow, lwdown, swnet, swdown, &
46	ps, q2m, t2m, &
47	evap, fluxsens, fluxlat, &
48	tsol_rad, tsurf_new, alb1_new, alb2_new, &
49	emis_new, z0m_new, z0h_new, qsurf, &
50	veget, lai, height )
51
52
53	USE mod_surf_para
54	USE mod_synchro_omp
55	USE carbon_cycle_mod, ONLY : carbon_cycle_cpl
56	USE indice_sol_mod
57	USE print_control_mod, ONLY: lunout
58	USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat
59	#ifdef CPP_VEGET
60	USE time_phylmdz_mod, ONLY: itau_phy
61	#endif
62	!
63	! Cette routine sert d'interface entre le modele atmospherique et le
64	! modele de sol continental. Appel a sechiba
65	!
66	! L. Fairhead 02/2000
67	!
68	! input:
69	! itime numero du pas de temps
70	! dtime pas de temps de la physique (en s)
71	! nisurf index de la surface a traiter (1 = sol continental)
72	! knon nombre de points de la surface a traiter
73	! knindex index des points de la surface a traiter
74	! rlon longitudes de la grille entiere
75	! rlat latitudes de la grille entiere
76	! pctsrf tableau des fractions de surface de chaque maille
77	! debut logical: 1er appel a la physique (lire les restart)
78	! lafin logical: dernier appel a la physique (ecrire les restart)
79	! (si false calcul simplifie des fluxs sur les continents)
80	! plev hauteur de la premiere couche (Pa)
81	! u1_lay vitesse u 1ere couche
82	! v1_lay vitesse v 1ere couche
83	! temp_air temperature de l'air 1ere couche
84	! spechum humidite specifique 1ere couche
85	! epot_air temp pot de l'air
86	! ccanopy concentration CO2 canopee, correspond au co2_send de
87	! carbon_cycle_mod ou valeur constant co2_ppm
88	! tq_cdrag cdrag
89	! petAcoef coeff. A de la resolution de la CL pour t
90	! peqAcoef coeff. A de la resolution de la CL pour q
91	! petBcoef coeff. B de la resolution de la CL pour t
92	! peqBcoef coeff. B de la resolution de la CL pour q
93	! precip_rain precipitation liquide
94	! precip_snow precipitation solide
95	! lwdown flux IR descendant a la surface
96	! swnet flux solaire net
97	! swdown flux solaire entrant a la surface
98	! ps pression au sol
99	! radsol rayonnement net aus sol (LW + SW)
100	!
101	!
102	! output:
103	! evap evaporation totale
104	! fluxsens flux de chaleur sensible
105	! fluxlat flux de chaleur latente
106	! tsol_rad
107	! tsurf_new temperature au sol
108	! alb1_new albedo in visible SW interval
109	! alb2_new albedo in near IR interval
110	! emis_new emissivite
111	! z0m_new surface roughness for momentum
112	! z0h_new surface roughness for heat
113	! qsurf air moisture at surface
114	!
115	INCLUDE "YOMCST.h"
116	INCLUDE "dimpft.h"
117	INCLUDE "compbl.h"
118
119
120	!
121	! Parametres d'entree
122	!****************************************************************************************
123	INTEGER, INTENT(IN) :: itime
124	REAL, INTENT(IN) :: dtime
125	REAL, INTENT(IN) :: date0
126	INTEGER, INTENT(IN) :: knon
127	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
128	LOGICAL, INTENT(IN) :: debut, lafin
129	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
130	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
131	REAL, DIMENSION(klon), INTENT(IN) :: yrmu0 ! cosine of solar zenith angle
132	REAL, DIMENSION(klon), INTENT(IN) :: plev
133	REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay, gustiness
134	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
135	REAL, DIMENSION(klon), INTENT(IN) :: epot_air, ccanopy
136	REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag
137	REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef
138	REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef
139	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
140	REAL, DIMENSION(klon), INTENT(IN) :: lwdown, swnet, swdown, ps
141	REAL, DIMENSION(klon), INTENT(IN) :: q2m, t2m
142
143	! Parametres de sortie
144	!****************************************************************************************
145	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat, qsurf
146	REAL, DIMENSION(klon), INTENT(OUT) :: tsol_rad, tsurf_new
147	REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new, alb2_new
148	REAL, DIMENSION(klon), INTENT(OUT) :: emis_new, z0m_new, z0h_new
149	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: veget ! dummy variables
150	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: lai ! dummy variables
151	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: height! dummy variables
152
153
154	! Local
155	!****************************************************************************************
156	INTEGER :: ij, jj, igrid, ireal, index
157	INTEGER :: error
158	REAL, DIMENSION(klon) :: swdown_vrai
159	CHARACTER (len = 20) :: modname = 'surf_land_orchidee'
160	CHARACTER (len = 80) :: abort_message
161	LOGICAL,SAVE :: check = .FALSE.
162	!$OMP THREADPRIVATE(check)
163
164	! type de couplage dans sechiba
165	! character (len=10) :: coupling = 'implicit'
166	! drapeaux controlant les appels dans SECHIBA
167	! type(control_type), save :: control_in
168	! Preserved albedo
169	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: albedo_keep, zlev
170	!$OMP THREADPRIVATE(albedo_keep,zlev)
171	! coordonnees geographiques
172	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: lalo
173	!$OMP THREADPRIVATE(lalo)
174	! pts voisins
175	INTEGER,ALLOCATABLE, DIMENSION(:,:), SAVE :: neighbours
176	!$OMP THREADPRIVATE(neighbours)
177	! fractions continents
178	REAL,ALLOCATABLE, DIMENSION(:), SAVE :: contfrac
179	!$OMP THREADPRIVATE(contfrac)
180	! resolution de la grille
181	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: resolution
182	!$OMP THREADPRIVATE(resolution)
183
184	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: lon_scat, lat_scat
185	!$OMP THREADPRIVATE(lon_scat,lat_scat)
186
187	LOGICAL, SAVE :: lrestart_read = .TRUE.
188	!$OMP THREADPRIVATE(lrestart_read)
189	LOGICAL, SAVE :: lrestart_write = .FALSE.
190	!$OMP THREADPRIVATE(lrestart_write)
191
192	REAL, DIMENSION(knon,2) :: albedo_out
193
194	! Pb de nomenclature
195	REAL, DIMENSION(klon) :: petA_orc, peqA_orc
196	REAL, DIMENSION(klon) :: petB_orc, peqB_orc
197	! Pb de correspondances de grilles
198	INTEGER, DIMENSION(:), SAVE, ALLOCATABLE :: ig, jg
199	!$OMP THREADPRIVATE(ig,jg)
200	INTEGER :: indi, indj
201	INTEGER, SAVE, ALLOCATABLE,DIMENSION(:) :: ktindex
202	!$OMP THREADPRIVATE(ktindex)
203
204	! Essai cdrag
205	REAL, DIMENSION(klon) :: cdrag
206	INTEGER,SAVE :: offset
207	!$OMP THREADPRIVATE(offset)
208
209	REAL, DIMENSION(klon_glo) :: rlon_g,rlat_g
210	INTEGER, SAVE :: orch_comm
211	!$OMP THREADPRIVATE(orch_comm)
212
213	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: coastalflow
214	!$OMP THREADPRIVATE(coastalflow)
215	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: riverflow
216	!$OMP THREADPRIVATE(riverflow)
217
218	INTEGER :: orch_omp_rank
219	INTEGER :: orch_omp_size
220	!
221	! Fin definition
222	!****************************************************************************************
223
224	IF (check) WRITE(lunout,*)'Entree ', modname
225
226	IF (ifl_pbltree == 1) THEN
227	abort_message='Pb de coherence: cette interface vers ORCHIDEE ne peut pas etre utilise avec ifl_pbltree'
228	CALL abort_physic(modname,abort_message,1)
229	END IF
230
231	! Initialisation
232
233	IF (debut) THEN
234	! Test of coherence between variable ok_veget and cpp key CPP_VEGET
235	#ifndef CPP_VEGET
236	abort_message='Pb de coherence: ok_veget = .true. mais CPP_VEGET = .false.'
237	CALL abort_physic(modname,abort_message,1)
238	#endif
239
240	CALL Init_surf_para(knon)
241	ALLOCATE(ktindex(knon))
242	IF ( .NOT. ALLOCATED(albedo_keep)) THEN
243	!ym ALLOCATE(albedo_keep(klon))
244	!ym bizarre que non alloué en knon precedement
245	ALLOCATE(albedo_keep(knon))
246	ALLOCATE(zlev(knon))
247	ENDIF
248	! Pb de correspondances de grilles
249	ALLOCATE(ig(klon))
250	ALLOCATE(jg(klon))
251	ig(1) = 1
252	jg(1) = 1
253	indi = 0
254	indj = 2
255	DO igrid = 2, klon - 1
256	indi = indi + 1
257	IF ( indi > nbp_lon) THEN
258	indi = 1
259	indj = indj + 1
260	ENDIF
261	ig(igrid) = indi
262	jg(igrid) = indj
263	ENDDO
264	ig(klon) = 1
265	jg(klon) = nbp_lat
266
267	IF ((.NOT. ALLOCATED(lalo))) THEN
268	ALLOCATE(lalo(knon,2), stat = error)
269	IF (error /= 0) THEN
270	abort_message='Pb allocation lalo'
271	CALL abort_physic(modname,abort_message,1)
272	ENDIF
273	ENDIF
274	IF ((.NOT. ALLOCATED(lon_scat))) THEN
275	ALLOCATE(lon_scat(nbp_lon,nbp_lat), stat = error)
276	IF (error /= 0) THEN
277	abort_message='Pb allocation lon_scat'
278	CALL abort_physic(modname,abort_message,1)
279	ENDIF
280	ENDIF
281	IF ((.NOT. ALLOCATED(lat_scat))) THEN
282	ALLOCATE(lat_scat(nbp_lon,nbp_lat), stat = error)
283	IF (error /= 0) THEN
284	abort_message='Pb allocation lat_scat'
285	CALL abort_physic(modname,abort_message,1)
286	ENDIF
287	ENDIF
288	lon_scat = 0.
289	lat_scat = 0.
290	DO igrid = 1, knon
291	index = knindex(igrid)
292	lalo(igrid,2) = rlon(index)
293	lalo(igrid,1) = rlat(index)
294	ENDDO
295
296
297
298	CALL Gather(rlon,rlon_g)
299	CALL Gather(rlat,rlat_g)
300
301	IF (is_mpi_root) THEN
302	index = 1
303	DO jj = 2, nbp_lat-1
304	DO ij = 1, nbp_lon
305	index = index + 1
306	lon_scat(ij,jj) = rlon_g(index)
307	lat_scat(ij,jj) = rlat_g(index)
308	ENDDO
309	ENDDO
310	lon_scat(:,1) = lon_scat(:,2)
311	lat_scat(:,1) = rlat_g(1)
312	lon_scat(:,nbp_lat) = lon_scat(:,2)
313	lat_scat(:,nbp_lat) = rlat_g(klon_glo)
314	ENDIF
315
316	CALL bcast(lon_scat)
317	CALL bcast(lat_scat)
318	!
319	! Allouer et initialiser le tableau des voisins et des fraction de continents
320	!
321	IF ( (.NOT.ALLOCATED(neighbours))) THEN
322	ALLOCATE(neighbours(knon,8), stat = error)
323	IF (error /= 0) THEN
324	abort_message='Pb allocation neighbours'
325	CALL abort_physic(modname,abort_message,1)
326	ENDIF
327	ENDIF
328	neighbours = -1.
329	IF (( .NOT. ALLOCATED(contfrac))) THEN
330	ALLOCATE(contfrac(knon), stat = error)
331	IF (error /= 0) THEN
332	abort_message='Pb allocation contfrac'
333	CALL abort_physic(modname,abort_message,1)
334	ENDIF
335	ENDIF
336
337	DO igrid = 1, knon
338	ireal = knindex(igrid)
339	contfrac(igrid) = pctsrf(ireal,is_ter)
340	ENDDO
341
342
343	CALL Init_neighbours(knon,neighbours,knindex,pctsrf(:,is_ter))
344
345	!
346	! Allocation et calcul resolutions
347	IF ( (.NOT.ALLOCATED(resolution))) THEN
348	ALLOCATE(resolution(knon,2), stat = error)
349	IF (error /= 0) THEN
350	abort_message='Pb allocation resolution'
351	CALL abort_physic(modname,abort_message,1)
352	ENDIF
353	ENDIF
354	DO igrid = 1, knon
355	ij = knindex(igrid)
356	resolution(igrid,1) = dx(ij)
357	resolution(igrid,2) = dy(ij)
358	ENDDO
359
360	ALLOCATE(coastalflow(klon), stat = error)
361	IF (error /= 0) THEN
362	abort_message='Pb allocation coastalflow'
363	CALL abort_physic(modname,abort_message,1)
364	ENDIF
365
366	ALLOCATE(riverflow(klon), stat = error)
367	IF (error /= 0) THEN
368	abort_message='Pb allocation riverflow'
369	CALL abort_physic(modname,abort_message,1)
370	ENDIF
371	!
372	! carbon_cycle_cpl not possible with this interface and version of ORHCHIDEE
373	!
374	IF (carbon_cycle_cpl) THEN
375	abort_message='carbon_cycle_cpl not yet possible with this interface of ORCHIDEE'
376	CALL abort_physic(modname,abort_message,1)
377	END IF
378
379	ENDIF ! (fin debut)
380
381
382	!
383	! Appel a la routine sols continentaux
384	!
385	IF (lafin) lrestart_write = .TRUE.
386	IF (check) WRITE(lunout,*)'lafin ',lafin,lrestart_write
387
388	petA_orc(1:knon) = petBcoef(1:knon) * dtime
389	petB_orc(1:knon) = petAcoef(1:knon)
390	peqA_orc(1:knon) = peqBcoef(1:knon) * dtime
391	peqB_orc(1:knon) = peqAcoef(1:knon)
392
393	cdrag = 0.
394	cdrag(1:knon) = tq_cdrag(1:knon)
395
396	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/287.05temp_air(1:knon))*9.80665)
397	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/RDtemp_air(1:knon))*RG)
398	zlev(1:knon) = plev(1:knon)RDtemp_air(1:knon)/((ps(1:knon)100.0)RG)
399
400
401	! PF et PASB
402	! where(cdrag > 0.01)
403	! cdrag = 0.01
404	! endwhere
405	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
406
407
408	IF (debut) THEN
409	CALL Init_orchidee_index(knon,knindex,offset,ktindex)
410	CALL Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
411	CALL Init_synchro_omp
412
413	IF (knon > 0) THEN
414	#ifdef CPP_VEGET
415	CALL Init_intersurf(nbp_lon,nbp_lat,knon,ktindex,offset,orch_omp_size,orch_omp_rank,orch_comm)
416	#endif
417	ENDIF
418
419
420	IF (knon > 0) THEN
421
422	#ifdef CPP_VEGET
423	CALL intersurf_initialize_gathered (itime+itau_phy-1, nbp_lon, nbp_lat, knon, ktindex, dtime, &
424	lrestart_read, lrestart_write, lalo, contfrac, neighbours, resolution, date0, &
425	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, &
426	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
427	precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
428	evap, fluxsens, fluxlat, coastalflow, riverflow, &
429	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0m_new, &
430	lon_scat, lat_scat, q2m, t2m, z0h_new)
431	#endif
432	ENDIF
433
434	CALL Synchro_omp
435
436	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
437
438	ENDIF
439
440
441	! swdown_vrai(1:knon) = swnet(1:knon)/(1. - albedo_keep(1:knon))
442	swdown_vrai(1:knon) = swdown(1:knon)
443
444	IF (knon > 0) THEN
445	#ifdef CPP_VEGET
446	CALL intersurf_main_gathered (itime+itau_phy, nbp_lon, nbp_lat, knon, ktindex, dtime, &
447	lrestart_read, lrestart_write, lalo, &
448	contfrac, neighbours, resolution, date0, &
449	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
450	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
451	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown_vrai(1:knon), ps(1:knon), &
452	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
453	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0m_new(1:knon), &
454	lon_scat, lat_scat, q2m, t2m, z0h_new(1:knon), 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	END MODULE surf_land_orchidee_nofrein_mod

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