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surf_land_orchidee_nounstruct_mod.F90 @ 5274

Last change on this file since 5274 was 5274, checked in by abarral, 9 hours ago
Replace yomcst.h by existing module
Property svn:executable set to ``*
File size: 23.8 KB

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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, ONLY: RPI, RCLUM, RHPLA, RKBOL, RNAVO &
59	, RDAY, REA, REPSM, RSIYEA, RSIDAY, ROMEGA &
60	, R_ecc, R_peri, R_incl &
61	, RA, RG, R1SA &
62	, RSIGMA &
63	, R, RMD, RMV, RD, RV, RCPD &
64	, RMO3, RMCO2, RMC, RMCH4, RMN2O, RMCFC11, RMCFC12 &
65	, RCPV, RCVD, RCVV, RKAPPA, RETV, eps_w &
66	, RCW, RCS &
67	, RLVTT, RLSTT, RLMLT, RTT, RATM &
68	, RESTT, RALPW, RBETW, RGAMW, RALPS, RBETS, RGAMS &
69	, RALPD, RBETD, RGAMD
70	!
71	! Cette routine sert d'interface entre le modele atmospherique et le
72	! modele de sol continental. Appel a sechiba
73	!
74	! L. Fairhead 02/2000
75	!
76	! input:
77	! itime numero du pas de temps
78	! dtime pas de temps de la physique (en s)
79	! nisurf index de la surface a traiter (1 = sol continental)
80	! knon nombre de points de la surface a traiter
81	! knindex index des points de la surface a traiter
82	! rlon longitudes de la grille entiere
83	! rlat latitudes de la grille entiere
84	! pctsrf tableau des fractions de surface de chaque maille
85	! debut logical: 1er appel a la physique (lire les restart)
86	! lafin logical: dernier appel a la physique (ecrire les restart)
87	! (si false calcul simplifie des fluxs sur les continents)
88	! plev hauteur de la premiere couche (Pa)
89	! u1_lay vitesse u 1ere couche
90	! v1_lay vitesse v 1ere couche
91	! temp_air temperature de l'air 1ere couche
92	! spechum humidite specifique 1ere couche
93	! epot_air temp pot de l'air
94	! ccanopy concentration CO2 canopee, correspond au co2_send de
95	! carbon_cycle_mod ou valeur constant co2_ppm
96	! tq_cdrag cdrag
97	! petAcoef coeff. A de la resolution de la CL pour t
98	! peqAcoef coeff. A de la resolution de la CL pour q
99	! petBcoef coeff. B de la resolution de la CL pour t
100	! peqBcoef coeff. B de la resolution de la CL pour q
101	! precip_rain precipitation liquide
102	! precip_snow precipitation solide
103	! lwdown flux IR descendant a la surface
104	! swnet flux solaire net
105	! swdown flux solaire entrant a la surface
106	! ps pression au sol
107	! radsol rayonnement net aus sol (LW + SW)
108	!
109	!
110	! output:
111	! evap evaporation totale
112	! fluxsens flux de chaleur sensible
113	! fluxlat flux de chaleur latente
114	! tsol_rad
115	! tsurf_new temperature au sol
116	! alb1_new albedo in visible SW interval
117	! alb2_new albedo in near IR interval
118	! emis_new emissivite
119	! z0m_new surface roughness for momentum
120	! z0h_new surface roughness for heat
121	! qsurf air moisture at surface
122	!
123	INCLUDE "dimpft.h"
124
125
126
127	!
128	! Parametres d'entree
129	!****************************************************************************************
130	INTEGER, INTENT(IN) :: itime
131	REAL, INTENT(IN) :: dtime
132	REAL, INTENT(IN) :: date0
133	INTEGER, INTENT(IN) :: knon
134	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
135	LOGICAL, INTENT(IN) :: debut, lafin
136	REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf
137	REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat
138	REAL, DIMENSION(klon), INTENT(IN) :: yrmu0 ! cosine of solar zenith angle
139	REAL, DIMENSION(klon), INTENT(IN) :: plev
140	REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay, gustiness
141	REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum
142	REAL, DIMENSION(klon), INTENT(IN) :: epot_air, ccanopy
143	REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag
144	REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef
145	REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef
146	REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow
147	REAL, DIMENSION(klon), INTENT(IN) :: lwdown, swnet, swdown, ps
148	REAL, DIMENSION(klon), INTENT(IN) :: q2m, t2m
149
150	! Parametres de sortie
151	!****************************************************************************************
152	REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat, qsurf
153	REAL, DIMENSION(klon), INTENT(OUT) :: tsol_rad, tsurf_new
154	REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new, alb2_new
155	REAL, DIMENSION(klon), INTENT(OUT) :: emis_new, z0m_new, z0h_new
156	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: veget
157	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: lai
158	REAL, DIMENSION(klon,nvm_lmdz), INTENT(OUT) :: height
159
160
161	! Local
162	!****************************************************************************************
163	INTEGER :: ij, jj, igrid, ireal, index
164	INTEGER :: error
165	REAL, DIMENSION(klon) :: swdown_vrai
166	CHARACTER (len = 20) :: modname = 'surf_land_orchidee'
167	CHARACTER (len = 80) :: abort_message
168	LOGICAL,SAVE :: check = .FALSE.
169	!$OMP THREADPRIVATE(check)
170
171	! type de couplage dans sechiba
172	! character (len=10) :: coupling = 'implicit'
173	! drapeaux controlant les appels dans SECHIBA
174	! type(control_type), save :: control_in
175	! Preserved albedo
176	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: albedo_keep, zlev
177	!$OMP THREADPRIVATE(albedo_keep,zlev)
178	! coordonnees geographiques
179	REAL, ALLOCATABLE, DIMENSION(:,:), SAVE :: lalo
180	!$OMP THREADPRIVATE(lalo)
181	! pts voisins
182	INTEGER,ALLOCATABLE, DIMENSION(:,:), SAVE :: neighbours
183	!$OMP THREADPRIVATE(neighbours)
184	! fractions continents
185	REAL,ALLOCATABLE, DIMENSION(:), SAVE :: contfrac
186	!$OMP THREADPRIVATE(contfrac)
187	! resolution de la grille
188	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: resolution
189	!$OMP THREADPRIVATE(resolution)
190
191	REAL, ALLOCATABLE, DIMENSION (:,:), SAVE :: lon_scat, lat_scat
192	!$OMP THREADPRIVATE(lon_scat,lat_scat)
193
194	LOGICAL, SAVE :: lrestart_read = .TRUE.
195	!$OMP THREADPRIVATE(lrestart_read)
196	LOGICAL, SAVE :: lrestart_write = .FALSE.
197	!$OMP THREADPRIVATE(lrestart_write)
198
199	REAL, DIMENSION(knon,2) :: albedo_out
200
201	! Pb de nomenclature
202	REAL, DIMENSION(klon) :: petA_orc, peqA_orc
203	REAL, DIMENSION(klon) :: petB_orc, peqB_orc
204	! Pb de correspondances de grilles
205	INTEGER, DIMENSION(:), SAVE, ALLOCATABLE :: ig, jg
206	!$OMP THREADPRIVATE(ig,jg)
207	INTEGER :: indi, indj
208	INTEGER, SAVE, ALLOCATABLE,DIMENSION(:) :: ktindex
209	!$OMP THREADPRIVATE(ktindex)
210
211	! Essai cdrag
212	REAL, DIMENSION(klon) :: cdrag
213	INTEGER,SAVE :: offset
214	!$OMP THREADPRIVATE(offset)
215
216	REAL, DIMENSION(klon_glo) :: rlon_g,rlat_g
217	INTEGER, SAVE :: orch_comm
218	!$OMP THREADPRIVATE(orch_comm)
219
220	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: coastalflow
221	!$OMP THREADPRIVATE(coastalflow)
222	REAL, ALLOCATABLE, DIMENSION(:), SAVE :: riverflow
223	!$OMP THREADPRIVATE(riverflow)
224
225	INTEGER :: orch_omp_rank
226	INTEGER :: orch_omp_size
227	!
228	! Fin definition
229	!****************************************************************************************
230
231	IF (check) WRITE(lunout,*)'Entree ', modname
232
233	! Initialisation
234
235	IF (debut) THEN
236	! Test of coherence between variable ok_veget and cpp key CPP_VEGET
237	#ifndef CPP_VEGET
238	abort_message='Pb de coherence: ok_veget = .true. mais CPP_VEGET = .false.'
239	CALL abort_physic(modname,abort_message,1)
240	#endif
241
242	CALL Init_surf_para(knon)
243	ALLOCATE(ktindex(knon))
244	IF ( .NOT. ALLOCATED(albedo_keep)) THEN
245	!ym ALLOCATE(albedo_keep(klon))
246	!ym bizarre que non allou� en knon precedement
247	ALLOCATE(albedo_keep(knon))
248	ALLOCATE(zlev(knon))
249	ENDIF
250	! Pb de correspondances de grilles
251	ALLOCATE(ig(klon))
252	ALLOCATE(jg(klon))
253	ig(1) = 1
254	jg(1) = 1
255	indi = 0
256	indj = 2
257	DO igrid = 2, klon - 1
258	indi = indi + 1
259	IF ( indi > nbp_lon) THEN
260	indi = 1
261	indj = indj + 1
262	ENDIF
263	ig(igrid) = indi
264	jg(igrid) = indj
265	ENDDO
266	ig(klon) = 1
267	jg(klon) = nbp_lat
268
269	IF ((.NOT. ALLOCATED(lalo))) THEN
270	ALLOCATE(lalo(knon,2), stat = error)
271	IF (error /= 0) THEN
272	abort_message='Pb allocation lalo'
273	CALL abort_physic(modname,abort_message,1)
274	ENDIF
275	ENDIF
276	IF ((.NOT. ALLOCATED(lon_scat))) THEN
277	ALLOCATE(lon_scat(nbp_lon,nbp_lat), stat = error)
278	IF (error /= 0) THEN
279	abort_message='Pb allocation lon_scat'
280	CALL abort_physic(modname,abort_message,1)
281	ENDIF
282	ENDIF
283	IF ((.NOT. ALLOCATED(lat_scat))) THEN
284	ALLOCATE(lat_scat(nbp_lon,nbp_lat), stat = error)
285	IF (error /= 0) THEN
286	abort_message='Pb allocation lat_scat'
287	CALL abort_physic(modname,abort_message,1)
288	ENDIF
289	ENDIF
290	lon_scat = 0.
291	lat_scat = 0.
292	DO igrid = 1, knon
293	index = knindex(igrid)
294	lalo(igrid,2) = rlon(index)
295	lalo(igrid,1) = rlat(index)
296	ENDDO
297
298
299
300	CALL Gather(rlon,rlon_g)
301	CALL Gather(rlat,rlat_g)
302
303	IF (is_mpi_root) THEN
304	index = 1
305	DO jj = 2, nbp_lat-1
306	DO ij = 1, nbp_lon
307	index = index + 1
308	lon_scat(ij,jj) = rlon_g(index)
309	lat_scat(ij,jj) = rlat_g(index)
310	ENDDO
311	ENDDO
312	lon_scat(:,1) = lon_scat(:,2)
313	lat_scat(:,1) = rlat_g(1)
314	lon_scat(:,nbp_lat) = lon_scat(:,2)
315	lat_scat(:,nbp_lat) = rlat_g(klon_glo)
316	ENDIF
317
318	CALL bcast(lon_scat)
319	CALL bcast(lat_scat)
320	!
321	! Allouer et initialiser le tableau des voisins et des fraction de continents
322	!
323	IF ( (.NOT.ALLOCATED(neighbours))) THEN
324	ALLOCATE(neighbours(knon,8), stat = error)
325	IF (error /= 0) THEN
326	abort_message='Pb allocation neighbours'
327	CALL abort_physic(modname,abort_message,1)
328	ENDIF
329	ENDIF
330	neighbours = -1.
331	IF (( .NOT. ALLOCATED(contfrac))) THEN
332	ALLOCATE(contfrac(knon), stat = error)
333	IF (error /= 0) THEN
334	abort_message='Pb allocation contfrac'
335	CALL abort_physic(modname,abort_message,1)
336	ENDIF
337	ENDIF
338
339	DO igrid = 1, knon
340	ireal = knindex(igrid)
341	contfrac(igrid) = pctsrf(ireal,is_ter)
342	ENDDO
343
344
345	CALL Init_neighbours(knon,neighbours,knindex,pctsrf(:,is_ter))
346
347	!
348	! Allocation et calcul resolutions
349	IF ( (.NOT.ALLOCATED(resolution))) THEN
350	ALLOCATE(resolution(knon,2), stat = error)
351	IF (error /= 0) THEN
352	abort_message='Pb allocation resolution'
353	CALL abort_physic(modname,abort_message,1)
354	ENDIF
355	ENDIF
356	DO igrid = 1, knon
357	ij = knindex(igrid)
358	resolution(igrid,1) = dx(ij)
359	resolution(igrid,2) = dy(ij)
360	ENDDO
361
362	ALLOCATE(coastalflow(klon), stat = error)
363	IF (error /= 0) THEN
364	abort_message='Pb allocation coastalflow'
365	CALL abort_physic(modname,abort_message,1)
366	ENDIF
367
368	ALLOCATE(riverflow(klon), stat = error)
369	IF (error /= 0) THEN
370	abort_message='Pb allocation riverflow'
371	CALL abort_physic(modname,abort_message,1)
372	ENDIF
373	!
374	! carbon_cycle_cpl not possible with this interface and version of ORHCHIDEE
375	!
376	IF (carbon_cycle_cpl) THEN
377	abort_message='carbon_cycle_cpl not yet possible with this interface of ORCHIDEE'
378	CALL abort_physic(modname,abort_message,1)
379	END IF
380
381	ENDIF ! (fin debut)
382
383
384	!
385	! Appel a la routine sols continentaux
386	!
387	IF (lafin) lrestart_write = .TRUE.
388	IF (check) WRITE(lunout,*)'lafin ',lafin,lrestart_write
389
390	petA_orc(1:knon) = petBcoef(1:knon) * dtime
391	petB_orc(1:knon) = petAcoef(1:knon)
392	peqA_orc(1:knon) = peqBcoef(1:knon) * dtime
393	peqB_orc(1:knon) = peqAcoef(1:knon)
394
395	cdrag = 0.
396	cdrag(1:knon) = tq_cdrag(1:knon)
397
398	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/287.05temp_air(1:knon))*9.80665)
399	! zlev(1:knon) = (100.plev(1:knon))/((ps(1:knon)/RDtemp_air(1:knon))*RG)
400	zlev(1:knon) = plev(1:knon)RDtemp_air(1:knon)/((ps(1:knon)100.0)RG)
401
402
403	! PF et PASB
404	! where(cdrag > 0.01)
405	! cdrag = 0.01
406	! endwhere
407	! write(,)'Cdrag = ',minval(cdrag),maxval(cdrag)
408
409
410	IF (debut) THEN
411	CALL Init_orchidee_index(knon,knindex,offset,ktindex)
412	CALL Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
413	CALL Init_synchro_omp
414
415	IF (knon > 0) THEN
416	#ifdef CPP_VEGET
417	CALL Init_intersurf(nbp_lon,nbp_lat,knon,ktindex,offset,orch_omp_size,orch_omp_rank,orch_comm)
418	#endif
419	ENDIF
420
421
422	IF (knon > 0) THEN
423
424	#ifdef CPP_VEGET
425	CALL intersurf_initialize_gathered (itime+itau_phy-1, nbp_lon, nbp_lat, knon, ktindex, dtime, &
426	lrestart_read, lrestart_write, lalo, contfrac, neighbours, resolution, date0, &
427	zlev, u1_lay, v1_lay, spechum, temp_air, epot_air, &
428	cdrag, petA_orc, peqA_orc, petB_orc, peqB_orc, &
429	precip_rain, precip_snow, lwdown, swnet, swdown, ps, &
430	evap, fluxsens, fluxlat, coastalflow, riverflow, &
431	tsol_rad, tsurf_new, qsurf, albedo_out, emis_new, z0m_new, &
432	lon_scat, lat_scat, q2m, t2m, z0h_new, nvm_orch)
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	ENDIF
441
442
443	! swdown_vrai(1:knon) = swnet(1:knon)/(1. - albedo_keep(1:knon))
444	swdown_vrai(1:knon) = swdown(1:knon)
445
446	IF (knon > 0) THEN
447	#ifdef CPP_VEGET
448	IF (nvm_orch .NE. nvm_lmdz ) THEN
449	abort_message='Pb de dimensiosn PFT: nvm_orch et nvm_lmdz differents.'
450	CALL abort_physic(modname,abort_message,1)
451	ENDIF
452
453	CALL intersurf_main_gathered (itime+itau_phy, nbp_lon, nbp_lat, knon, ktindex, dtime, &
454	lrestart_read, lrestart_write, lalo, &
455	contfrac, neighbours, resolution, date0, &
456	zlev, u1_lay(1:knon), v1_lay(1:knon), spechum(1:knon), temp_air(1:knon), epot_air(1:knon), ccanopy(1:knon), &
457	cdrag(1:knon), petA_orc(1:knon), peqA_orc(1:knon), petB_orc(1:knon), peqB_orc(1:knon), &
458	precip_rain(1:knon), precip_snow(1:knon), lwdown(1:knon), swnet(1:knon), swdown_vrai(1:knon), ps(1:knon), &
459	evap(1:knon), fluxsens(1:knon), fluxlat(1:knon), coastalflow(1:knon), riverflow(1:knon), &
460	tsol_rad(1:knon), tsurf_new(1:knon), qsurf(1:knon), albedo_out(1:knon,:), emis_new(1:knon), z0m_new(1:knon), &
461	lon_scat, lat_scat, q2m, t2m, z0h_new(1:knon),&
462	veget(1:knon,:),lai(1:knon,:),height(1:knon,:),&
463	coszang=yrmu0(1:knon))
464	#endif
465	ENDIF
466
467	CALL Synchro_omp
468
469	albedo_keep(1:knon) = (albedo_out(1:knon,1)+albedo_out(1:knon,2))/2.
470
471	!* Send to coupler
472	!
473	IF (type_ocean=='couple') THEN
474	CALL cpl_send_land_fields(itime, knon, knindex, &
475	riverflow, coastalflow)
476	ENDIF
477
478	alb1_new(1:knon) = albedo_out(1:knon,1)
479	alb2_new(1:knon) = albedo_out(1:knon,2)
480
481	! Convention orchidee: positif vers le haut
482	fluxsens(1:knon) = -1. * fluxsens(1:knon)
483	fluxlat(1:knon) = -1. * fluxlat(1:knon)
484
485	! evap = -1. * evap
486
487	IF (debut) lrestart_read = .FALSE.
488
489	IF (debut) CALL Finalize_surf_para
490
491
492	END SUBROUTINE surf_land_orchidee
493	!
494	!****************************************************************************************
495	!
496	SUBROUTINE Init_orchidee_index(knon,knindex,offset,ktindex)
497	USE mod_surf_para
498	USE mod_grid_phy_lmdz
499
500	INTEGER,INTENT(IN) :: knon
501	INTEGER,INTENT(IN) :: knindex(klon)
502	INTEGER,INTENT(OUT) :: offset
503	INTEGER,INTENT(OUT) :: ktindex(klon)
504
505	INTEGER :: ktindex_glo(knon_glo)
506	INTEGER :: offset_para(0:omp_size*mpi_size-1)
507	INTEGER :: LastPoint
508	INTEGER :: task
509
510	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
511
512	CALL gather_surf(ktindex(1:knon),ktindex_glo)
513
514	IF (is_mpi_root .AND. is_omp_root) THEN
515	LastPoint=0
516	DO Task=0,mpi_size*omp_size-1
517	IF (knon_glo_para(Task)>0) THEN
518	offset_para(task)= LastPoint-MOD(LastPoint,nbp_lon)
519	LastPoint=ktindex_glo(knon_glo_end_para(task))
520	ENDIF
521	ENDDO
522	ENDIF
523
524	CALL bcast(offset_para)
525
526	offset=offset_para(omp_size*mpi_rank+omp_rank)
527
528	ktindex(1:knon)=ktindex(1:knon)-offset
529
530	END SUBROUTINE Init_orchidee_index
531
532	!
533	!*********************** *************************************************************
534	!
535
536	SUBROUTINE Get_orchidee_communicator(orch_comm,orch_omp_size,orch_omp_rank)
537	USE mod_surf_para
538	USE lmdz_mpi
539
540	INTEGER,INTENT(OUT) :: orch_comm
541	INTEGER,INTENT(OUT) :: orch_omp_size
542	INTEGER,INTENT(OUT) :: orch_omp_rank
543	INTEGER :: color
544	INTEGER :: i,ierr
545	!
546	! End definition
547	!****************************************************************************************
548
549
550	IF (is_omp_root) THEN
551
552	IF (knon_mpi==0) THEN
553	color = 0
554	ELSE
555	color = 1
556	ENDIF
557
558	IF (using_mpi) THEN
559	CALL MPI_COMM_SPLIT(COMM_LMDZ_PHY,color,mpi_rank,orch_comm,ierr)
560	ENDIF
561
562	ENDIF
563	CALL bcast_omp(orch_comm)
564
565	IF (knon_mpi /= 0) THEN
566	orch_omp_size=0
567	DO i=0,omp_size-1
568	IF (knon_omp_para(i) /=0) THEN
569	orch_omp_size=orch_omp_size+1
570	IF (i==omp_rank) orch_omp_rank=orch_omp_size-1
571	ENDIF
572	ENDDO
573	ENDIF
574
575
576	END SUBROUTINE Get_orchidee_communicator
577	!
578	!****************************************************************************************
579	!
580
581	SUBROUTINE Init_neighbours(knon,neighbours,knindex,pctsrf)
582	USE mod_grid_phy_lmdz
583	USE mod_surf_para
584	USE indice_sol_mod
585	USE lmdz_mpi
586
587	! Input arguments
588	!****************************************************************************************
589	INTEGER, INTENT(IN) :: knon
590	INTEGER, DIMENSION(klon), INTENT(IN) :: knindex
591	REAL, DIMENSION(klon), INTENT(IN) :: pctsrf
592
593	! Output arguments
594	!****************************************************************************************
595	INTEGER, DIMENSION(knon,8), INTENT(OUT) :: neighbours
596
597	! Local variables
598	!****************************************************************************************
599	INTEGER :: i, igrid, jj, ij, iglob
600	INTEGER :: ierr, ireal, index
601	INTEGER, DIMENSION(8,3) :: off_ini
602	INTEGER, DIMENSION(8) :: offset
603	INTEGER, DIMENSION(nbp_lon,nbp_lat) :: correspond
604	INTEGER, DIMENSION(knon_glo) :: ktindex_glo
605	INTEGER, DIMENSION(knon_glo,8) :: neighbours_glo
606	REAL, DIMENSION(klon_glo) :: pctsrf_glo
607	INTEGER :: ktindex(klon)
608	!
609	! End definition
610	!****************************************************************************************
611
612	ktindex(1:knon)=knindex(1:knon)+(klon_mpi_begin-1)+(klon_omp_begin-1)+nbp_lon-1
613
614	CALL gather_surf(ktindex(1:knon),ktindex_glo)
615	CALL gather(pctsrf,pctsrf_glo)
616
617	IF (is_mpi_root .AND. is_omp_root) THEN
618	neighbours_glo(:,:)=-1
619	! Initialisation des offset
620	!
621	! offset bord ouest
622	off_ini(1,1) = - nbp_lon ; off_ini(2,1) = - nbp_lon + 1 ; off_ini(3,1) = 1
623	off_ini(4,1) = nbp_lon + 1 ; off_ini(5,1) = nbp_lon ; off_ini(6,1) = 2 * nbp_lon - 1
624	off_ini(7,1) = nbp_lon -1 ; off_ini(8,1) = - 1
625	! offset point normal
626	off_ini(1,2) = - nbp_lon ; off_ini(2,2) = - nbp_lon + 1 ; off_ini(3,2) = 1
627	off_ini(4,2) = nbp_lon + 1 ; off_ini(5,2) = nbp_lon ; off_ini(6,2) = nbp_lon - 1
628	off_ini(7,2) = -1 ; off_ini(8,2) = - nbp_lon - 1
629	! offset bord est
630	off_ini(1,3) = - nbp_lon ; off_ini(2,3) = - 2 * nbp_lon + 1 ; off_ini(3,3) = - nbp_lon + 1
631	off_ini(4,3) = 1 ; off_ini(5,3) = nbp_lon ; off_ini(6,3) = nbp_lon - 1
632	off_ini(7,3) = -1 ; off_ini(8,3) = - nbp_lon - 1
633	!
634	!
635	! Attention aux poles
636	!
637	DO igrid = 1, knon_glo
638	index = ktindex_glo(igrid)
639	jj = INT((index - 1)/nbp_lon) + 1
640	ij = index - (jj - 1) * nbp_lon
641	correspond(ij,jj) = igrid
642	ENDDO
643	!sonia : Les mailles des voisines doivent etre toutes egales (pour couplage orchidee)
644	IF (knon_glo == 1) THEN
645	igrid = 1
646	DO i = 1,8
647	neighbours_glo(igrid, i) = igrid
648	ENDDO
649	ELSE
650	print*,'sonia : knon_glo,ij,jj', knon_glo, ij,jj
651
652	DO igrid = 1, knon_glo
653	iglob = ktindex_glo(igrid)
654
655	IF (MOD(iglob, nbp_lon) == 1) THEN
656	offset = off_ini(:,1)
657	ELSE IF(MOD(iglob, nbp_lon) == 0) THEN
658	offset = off_ini(:,3)
659	ELSE
660	offset = off_ini(:,2)
661	ENDIF
662
663	DO i = 1, 8
664	index = iglob + offset(i)
665	ireal = (MIN(MAX(1, index - nbp_lon + 1), klon_glo))
666	IF (pctsrf_glo(ireal) > EPSFRA) THEN
667	jj = INT((index - 1)/nbp_lon) + 1
668	ij = index - (jj - 1) * nbp_lon
669	neighbours_glo(igrid, i) = correspond(ij, jj)
670	ENDIF
671	ENDDO
672	ENDDO
673	ENDIF !fin knon_glo == 1
674
675	ENDIF
676
677	DO i = 1, 8
678	CALL scatter_surf(neighbours_glo(:,i),neighbours(1:knon,i))
679	ENDDO
680	END SUBROUTINE Init_neighbours
681
682	!
683	!****************************************************************************************
684	!
685	#endif
686	#endif
687	END MODULE surf_land_orchidee_nounstruct_mod

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