source: LMDZ6/trunk/libf/dynphy_lonlat/phylmd/etat0phys_netcdf.F90 @ 4241

Last change on this file since 4241 was 4089, checked in by fhourdin, 3 years ago

Reecriture des thermiques
File size: 22.4 KB
Line 
1!
2! $Id$
3!
4MODULE etat0phys
5!
6!*******************************************************************************
7! Purpose: Create physical initial state using atmospheric fields from a
8!          database of atmospheric to initialize the model.
9!-------------------------------------------------------------------------------
10! Comments:
11!
12!    *  This module is designed to work for Earth (and with ioipsl)
13!
14!    *  etat0phys_netcdf routine can access to NetCDF data through subroutines:
15!         "start_init_phys" for variables contained in file "ECPHY.nc":
16!            'ST'     : Surface temperature
17!            'CDSW'   : Soil moisture
18!         "start_init_orog" for variables contained in file "Relief.nc":
19!            'RELIEF' : High resolution orography
20!
21!    * The land mask and corresponding weights can be:
22!      1) computed using the ocean mask from the ocean model (to ensure ocean
23!         fractions are the same for atmosphere and ocean) for coupled runs.
24!         File name: "o2a.nc"  ;  variable name: "OceMask"
25!      2) computed from topography file "Relief.nc" for forced runs.
26!
27!    * Allowed values for read_climoz flag are 0, 1 and 2:
28!      0: do not read an ozone climatology
29!      1: read a single ozone climatology that will be used day and night
30!      2: read two ozone climatologies, the average day and night climatology
31!         and the daylight climatology
32!-------------------------------------------------------------------------------
33!    * There is a big mess with the longitude size. Should it be iml or iml+1 ?
34!  I have chosen to use the iml+1 as an argument to this routine and we declare
35!  internaly smaller fields when needed. This needs to be cleared once and for
36!  all in LMDZ. A convention is required.
37!-------------------------------------------------------------------------------
38
39  USE ioipsl,             ONLY: flininfo, flinopen, flinget, flinclo
40  USE assert_eq_m,        ONLY: assert_eq
41  USE dimphy,             ONLY: klon
42  USE conf_dat_m,         ONLY: conf_dat2d
43  USE phys_state_var_mod, ONLY: zmea, zstd, zsig, zgam, zthe, zpic, zval, z0m, &
44          solsw, solswfdiff, radsol, t_ancien, wake_deltat, wake_s,  rain_fall, qsol, z0h, &
45          sollw,sollwdown, rugoro, q_ancien, wake_deltaq, wake_pe, snow_fall, ratqs,w01, &
46    sig1, ftsol, clwcon, fm_therm, wake_Cstar,  pctsrf,  entr_therm,radpas, f0,&
47    zmax0,fevap, rnebcon,falb_dir, falb_dif, wake_fip,    agesno,  detr_therm, pbl_tke,  &
48    phys_state_var_init, ql_ancien, qs_ancien, prlw_ancien, prsw_ancien, &
49    prw_ancien, u10m,v10m, treedrg, u_ancien, v_ancien, wake_delta_pbl_TKE, wake_dens, &
50    ale_bl, ale_bl_trig, alp_bl, &
51    ale_wake, ale_bl_stat
52
53  USE comconst_mod, ONLY: pi, dtvr
54
55  PRIVATE
56  PUBLIC :: etat0phys_netcdf
57
58  include "iniprint.h"
59  include "dimensions.h"
60  include "paramet.h"
61  include "comgeom2.h"
62  include "dimsoil.h"
63  include "clesphys.h"
64  REAL, SAVE :: deg2rad
65  REAL, SAVE, ALLOCATABLE :: tsol(:)
66  INTEGER,            SAVE      :: iml_phys, jml_phys, llm_phys, ttm_phys, fid_phys
67  REAL, ALLOCATABLE,  SAVE      :: lon_phys(:,:), lat_phys(:,:), levphys_ini(:)
68  CHARACTER(LEN=256), PARAMETER :: oroparam="oro_params.nc"
69  CHARACTER(LEN=256), PARAMETER :: orofname="Relief.nc", orogvar="RELIEF"
70  CHARACTER(LEN=256), PARAMETER :: phyfname="ECPHY.nc",  psrfvar="SP"
71  CHARACTER(LEN=256), PARAMETER :: qsolvar="CDSW",       tsrfvar="ST"
72
73
74CONTAINS
75
76
77!-------------------------------------------------------------------------------
78!
79SUBROUTINE etat0phys_netcdf(masque, phis)
80!
81!-------------------------------------------------------------------------------
82! Purpose: Creates initial states
83!-------------------------------------------------------------------------------
84! Notes:  1) This routine is designed to work for Earth
85!         2) If masque(:,:)/=-99999., masque and phis are already known.
86!         Otherwise: compute it.
87!-------------------------------------------------------------------------------
88  USE control_mod
89  USE fonte_neige_mod
90  USE pbl_surface_mod
91  USE regr_horiz_time_climoz_m, ONLY: regr_horiz_time_climoz
92  USE indice_sol_mod
93  USE conf_phys_m, ONLY: conf_phys
94  USE init_ssrf_m, ONLY: start_init_subsurf
95  USE phys_state_var_mod, ONLY: beta_aridity, delta_tsurf, awake_dens, cv_gen, &
96       ratqs_inter, rneb_ancien
97  !use ioipsl_getincom
98  IMPLICIT NONE
99!-------------------------------------------------------------------------------
100! Arguments:
101  REAL,    INTENT(INOUT) :: masque(:,:) !--- Land mask           dim(iip1,jjp1)
102  REAL,    INTENT(INOUT) :: phis  (:,:) !--- Ground geopotential dim(iip1,jjp1)
103!-------------------------------------------------------------------------------
104! Local variables:
105  CHARACTER(LEN=256) :: modname="etat0phys_netcdf", fmt
106  INTEGER            :: i, j, l, ji, iml, jml
107  LOGICAL            :: read_mask
108  REAL               :: phystep, dummy
109  REAL, DIMENSION(SIZE(masque,1),SIZE(masque,2)) :: masque_tmp,phiso
110  REAL, DIMENSION(klon)               :: sn, rugmer, run_off_lic_0, fder
111  REAL, DIMENSION(klon,nbsrf)         :: qsurf, snsrf
112  REAL, DIMENSION(klon,nsoilmx,nbsrf) :: tsoil
113
114!--- Arguments for conf_phys
115  LOGICAL :: ok_journe, ok_mensuel, ok_instan, ok_hf, ok_LES, callstats
116  REAL    :: solarlong0, seuil_inversion, fact_cldcon, facttemps
117  LOGICAL :: ok_newmicro
118  INTEGER :: iflag_radia, iflag_cldcon, iflag_ratqs
119  REAL    :: ratqsbas, ratqshaut, tau_ratqs
120  LOGICAL :: ok_ade, ok_aie, ok_volcan, ok_alw, ok_cdnc, aerosol_couple, chemistry_couple
121  INTEGER :: flag_aerosol
122  INTEGER :: flag_aerosol_strat
123  INTEGER :: flag_volc_surfstrat
124  LOGICAL :: flag_aer_feedback
125  LOGICAL :: flag_bc_internal_mixture
126  REAL    :: bl95_b0, bl95_b1
127  INTEGER :: read_climoz                        !--- Read ozone climatology
128  REAL    :: alp_offset
129  LOGICAL :: filtre_oro=.false.
130
131  INCLUDE "compbl.h"
132  INCLUDE "alpale.h"
133 
134  deg2rad= pi/180.0
135  iml=assert_eq(SIZE(masque,1),SIZE(phis,1),TRIM(modname)//" iml")
136  jml=assert_eq(SIZE(masque,2),SIZE(phis,2),TRIM(modname)//" jml")
137
138! Physics configuration
139!*******************************************************************************
140  CALL conf_phys(  ok_journe, ok_mensuel, ok_instan, ok_hf, ok_LES,     &
141                   callstats,                                           &
142                   solarlong0,seuil_inversion,                          &
143                   fact_cldcon, facttemps,ok_newmicro,iflag_radia,      &
144                   iflag_cldcon,                                        &
145                   iflag_ratqs,ratqsbas,ratqshaut,tau_ratqs,            &
146                   ok_ade, ok_aie, ok_alw, ok_cdnc, ok_volcan, flag_volc_surfstrat,     &
147                   aerosol_couple, chemistry_couple, flag_aerosol, flag_aerosol_strat,  &
148                   flag_aer_feedback, flag_bc_internal_mixture, bl95_b0, bl95_b1,       &
149                   read_climoz, alp_offset)
150  CALL phys_state_var_init(read_climoz)
151
152!--- Initial atmospheric CO2 conc. from .def file
153  co2_ppm0 = co2_ppm
154
155! Compute ground geopotential, sub-cells quantities and possibly the mask.
156!*******************************************************************************
157  read_mask=ANY(masque/=-99999.); masque_tmp=masque
158  CALL start_init_orog(rlonv, rlatu, phis, masque_tmp)
159
160  CALL getin('filtre_oro',filtre_oro)
161  IF (filtre_oro) CALL filtreoro(size(phis,1),size(phis,2),phis,masque_tmp,rlatu)
162
163  WRITE(fmt,"(i4,'i1)')")iml ; fmt='('//ADJUSTL(fmt)
164  IF(.NOT.read_mask) THEN                       !--- Keep mask form orography
165    masque=masque_tmp
166    IF(prt_level>=1) THEN
167      WRITE(lunout,*)'BUILT MASK :'
168      WRITE(lunout,fmt) NINT(masque)
169    END IF
170    WHERE(   masque(:,:)<EPSFRA) masque(:,:)=0.
171    WHERE(1.-masque(:,:)<EPSFRA) masque(:,:)=1.
172  END IF
173  CALL gr_dyn_fi(1,iml,jml,klon,masque,zmasq) !--- Land mask to physical grid
174
175! Compute tsol and qsol on physical grid, knowing phis on 2D grid.
176!*******************************************************************************
177  CALL start_init_phys(rlonu, rlatv, phis)
178
179! Some initializations.
180!*******************************************************************************
181  sn    (:) = 0.0                               !--- Snow
182  radsol(:) = 0.0                               !--- Net radiation at ground
183  rugmer(:) = 0.001                             !--- Ocean rugosity
184  !--- Ozone (zonal or 3D) interpolation in space and time (if 2nd arg is TRUE)
185  IF(read_climoz>=1) CALL regr_horiz_time_climoz(read_climoz,ok_daily_climoz)
186
187! Sub-surfaces initialization.
188!*******************************************************************************
189  CALL start_init_subsurf(read_mask)
190
191! Write physical initial state
192!*******************************************************************************
193  WRITE(lunout,*)'phystep ',dtvr,iphysiq,nbapp_rad
194  phystep = dtvr * FLOAT(iphysiq)
195  radpas  = NINT (86400./phystep/ FLOAT(nbapp_rad) )
196  WRITE(lunout,*)'phystep =', phystep, radpas
197
198! Init: ftsol, snsrf, qsurf, tsoil, rain_fall, snow_fall, solsw, sollw, z0
199!*******************************************************************************
200  DO i=1,nbsrf; ftsol(:,i) = tsol; END DO
201  DO i=1,nbsrf; snsrf(:,i) = sn;   END DO
202  falb_dir(:, :, is_ter) = 0.08
203  falb_dir(:, :, is_lic) = 0.6
204  falb_dir(:, :, is_oce) = 0.5
205  falb_dir(:, :, is_sic) = 0.6
206
207!ym warning missing init for falb_dif => set to 0
208  falb_dif(:,:,:)=0
209
210  u10m(:,:)=0 
211  v10m(:,:)=0 
212  treedrg(:,:,:)=0
213
214  fevap(:,:) = 0.
215  qsurf = 0.
216  DO i=1,nbsrf; DO j=1,nsoilmx; tsoil(:,j,i) = tsol; END DO; END DO
217  rain_fall  = 0.
218  snow_fall  = 0.
219  solsw      = 165.
220  solswfdiff = 1.
221  sollw      = -53.
222!ym warning missing init for sollwdown => set to 0
223  sollwdown  = 0.
224  t_ancien   = 273.15
225  q_ancien   = 0.
226  ql_ancien = 0.
227  qs_ancien = 0.
228  prlw_ancien = 0.
229  prsw_ancien = 0.
230  prw_ancien = 0.
231  agesno     = 0.
232 
233  u_ancien = 0.
234  v_ancien = 0.
235  wake_delta_pbl_TKE(:,:,:)=0
236  wake_dens(:)=0
237  awake_dens = 0.
238  cv_gen = 0.
239  ale_bl = 0.
240  ale_bl_trig =0.
241  alp_bl=0.
242  ale_wake=0.
243  ale_bl_stat=0.
244 
245  z0m(:,:)=0 ! ym missing 5th subsurface initialization
246 
247  z0m(:,is_oce) = rugmer(:)
248  z0m(:,is_ter) = 0.01 !MAX(1.0e-05,zstd(:)*zsig(:)/2.0)
249  z0m(:,is_lic) = 0.001 !MAX(1.0e-05,zstd(:)*zsig(:)/2.0)
250  z0m(:,is_sic) = 0.001
251  z0h(:,:)=z0m(:,:)
252
253  fder    = 0.0
254  clwcon  = 0.0
255  rnebcon = 0.0
256  ratqs   = 0.0
257  run_off_lic_0 = 0.0
258  rugoro  = 0.0
259
260! Before phyredem calling, surface modules and values to be saved in startphy.nc
261! are initialized
262!*******************************************************************************
263  dummy            = 1.0
264  pbl_tke(:,:,:)   = 1.e-8
265  zmax0(:)         = 40.
266  f0(:)            = 1.e-5
267  sig1(:,:)        = 0.
268  w01(:,:)         = 0.
269  wake_deltat(:,:) = 0.
270  wake_deltaq(:,:) = 0.
271  wake_s(:)        = 0.
272  wake_cstar(:)    = 0.
273  wake_fip(:)      = 0.
274  wake_pe          = 0.
275  fm_therm         = 0.
276  entr_therm       = 0.
277  detr_therm       = 0.
278
279  CALL fonte_neige_init(run_off_lic_0)
280  CALL pbl_surface_init( fder, snsrf, qsurf, tsoil )
281
282  IF (iflag_pbl>1 .AND. iflag_wake>=1  .AND. iflag_pbl_split >=1) then
283     delta_tsurf = 0.
284     beta_aridity = 0.
285  end IF
286
287  ratqs_inter = 0.002
288  rneb_ancien = 0.
289  CALL phyredem( "startphy.nc" )
290
291!  WRITE(lunout,*)'CCCCCCCCCCCCCCCCCC REACTIVER SORTIE VISU DANS ETAT0'
292!  WRITE(lunout,*)'entree histclo'
293  CALL histclo()
294
295END SUBROUTINE etat0phys_netcdf
296!
297!-------------------------------------------------------------------------------
298
299
300!-------------------------------------------------------------------------------
301!
302SUBROUTINE start_init_orog(lon_in,lat_in,phis,masque)
303!
304!===============================================================================
305! Comment:
306!   This routine launch grid_noro, which computes parameters for SSO scheme as
307!   described in LOTT & MILLER (1997) and LOTT(1999).
308!   In case the file oroparam is present and the key read_orop is activated,
309!   grid_noro is bypassed and sub-cell parameters are read from the file.
310!===============================================================================
311  USE grid_noro_m, ONLY: grid_noro, read_noro
312  USE logic_mod,   ONLY: read_orop
313  IMPLICIT NONE
314!-------------------------------------------------------------------------------
315! Arguments:
316  REAL,    INTENT(IN)    :: lon_in(:), lat_in(:)   ! dim (iml) (jml)
317  REAL,    INTENT(INOUT) :: phis(:,:), masque(:,:) ! dim (iml,jml)
318!-------------------------------------------------------------------------------
319! Local variables:
320  CHARACTER(LEN=256) :: modname
321  INTEGER            :: fid, llm_tmp,ttm_tmp, iml,jml, iml_rel,jml_rel, itau(1)
322  INTEGER            :: ierr
323  REAL               :: lev(1), date, dt
324  REAL, ALLOCATABLE  :: lon_rad(:), lon_ini(:), lon_rel(:,:), relief_hi(:,:)
325  REAL, ALLOCATABLE  :: lat_rad(:), lat_ini(:), lat_rel(:,:), tmp_var  (:,:)
326  REAL, ALLOCATABLE  :: zmea0(:,:), zstd0(:,:), zsig0(:,:)
327  REAL, ALLOCATABLE  :: zgam0(:,:), zthe0(:,:), zpic0(:,:), zval0(:,:)
328!-------------------------------------------------------------------------------
329  modname="start_init_orog"
330  iml=assert_eq(SIZE(lon_in),SIZE(phis,1),SIZE(masque,1),TRIM(modname)//" iml")
331  jml=assert_eq(SIZE(lat_in),SIZE(phis,2),SIZE(masque,2),TRIM(modname)//" jml")
332
333!--- HIGH RESOLUTION OROGRAPHY
334  CALL flininfo(orofname, iml_rel, jml_rel, llm_tmp, ttm_tmp, fid)
335
336  ALLOCATE(lat_rel(iml_rel,jml_rel),lon_rel(iml_rel,jml_rel))
337  CALL flinopen(orofname, .FALSE., iml_rel, jml_rel, llm_tmp, lon_rel, lat_rel,&
338                lev, ttm_tmp, itau, date, dt, fid)
339  ALLOCATE(relief_hi(iml_rel,jml_rel))
340  CALL flinget(fid, orogvar, iml_rel, jml_rel, llm_tmp, ttm_tmp, 1,1, relief_hi)
341  CALL flinclo(fid)
342
343!--- IF ANGLES ARE IN DEGREES, THEY ARE CONVERTED INTO RADIANS
344  ALLOCATE(lon_ini(iml_rel),lat_ini(jml_rel))
345  lon_ini(:)=lon_rel(:,1); IF(MAXVAL(lon_rel)>pi) lon_ini=lon_ini*deg2rad
346  lat_ini(:)=lat_rel(1,:); IF(MAXVAL(lat_rel)>pi) lat_ini=lat_ini*deg2rad
347
348!--- FIELDS ARE PROCESSED TO BE ON STANDARD ANGULAR DOMAINS
349  ALLOCATE(lon_rad(iml_rel),lat_rad(jml_rel))
350  CALL conf_dat2d(orogvar, lon_ini, lat_ini, lon_rad, lat_rad, relief_hi,.FALSE.)
351  DEALLOCATE(lon_ini,lat_ini)
352
353!--- COMPUTING THE REQUIRED FIELDS USING ROUTINE grid_noro
354  WRITE(lunout,*)
355  WRITE(lunout,*)'*** Compute parameters needed for gravity wave drag code ***'
356
357!--- ALLOCATIONS OF SUB-CELL SCALES QUANTITIES
358  ALLOCATE(zmea0(iml,jml),zstd0(iml,jml)) !--- Mean orography and std deviation
359  ALLOCATE(zsig0(iml,jml),zgam0(iml,jml)) !--- Slope and nisotropy
360  zsig0(:,:)=0   !ym uninitialized variable
361  zgam0(:,:)=0   !ym uninitialized variable
362  ALLOCATE(zthe0(iml,jml))                !--- Highest slope orientation
363  zthe0(:,:)=0   !ym uninitialized variable
364  ALLOCATE(zpic0(iml,jml),zval0(iml,jml)) !--- Peaks and valley heights
365
366!--- READ SUB-CELL SCALES PARAMETERS FROM A FILE (AT RIGHT RESOLUTION)
367  OPEN(UNIT=66,FILE=oroparam,STATUS='OLD',IOSTAT=ierr)
368  IF(ierr==0.AND.read_orop) THEN
369    CLOSE(UNIT=66)
370    CALL read_noro(lon_in,lat_in,oroparam,                                     &
371                   phis,zmea0,zstd0,zsig0,zgam0,zthe0,zpic0,zval0,masque)
372  ELSE
373!--- CALL OROGRAPHY MODULE TO COMPUTE FIELDS
374    CALL grid_noro(lon_rad,lat_rad,relief_hi,lon_in,lat_in,                    &
375                   phis,zmea0,zstd0,zsig0,zgam0,zthe0,zpic0,zval0,masque)
376  END IF
377  phis = phis * 9.81
378  phis(iml,:) = phis(1,:)
379  DEALLOCATE(relief_hi,lon_rad,lat_rad)
380
381!--- PUT QUANTITIES TO PHYSICAL GRID
382  CALL gr_dyn_fi(1,iml,jml,klon,zmea0,zmea); DEALLOCATE(zmea0)
383  CALL gr_dyn_fi(1,iml,jml,klon,zstd0,zstd); DEALLOCATE(zstd0)
384  CALL gr_dyn_fi(1,iml,jml,klon,zsig0,zsig); DEALLOCATE(zsig0)
385  CALL gr_dyn_fi(1,iml,jml,klon,zgam0,zgam); DEALLOCATE(zgam0)
386  CALL gr_dyn_fi(1,iml,jml,klon,zthe0,zthe); DEALLOCATE(zthe0)
387  CALL gr_dyn_fi(1,iml,jml,klon,zpic0,zpic); DEALLOCATE(zpic0)
388  CALL gr_dyn_fi(1,iml,jml,klon,zval0,zval); DEALLOCATE(zval0)
389
390
391END SUBROUTINE start_init_orog
392!
393!-------------------------------------------------------------------------------
394
395
396!-------------------------------------------------------------------------------
397!
398SUBROUTINE start_init_phys(lon_in,lat_in,phis)
399!
400!===============================================================================
401! Purpose:   Compute tsol and qsol, knowing phis.
402!===============================================================================
403  IMPLICIT NONE
404!-------------------------------------------------------------------------------
405! Arguments:
406  REAL,    INTENT(IN) :: lon_in(:),  lat_in(:)       ! dim (iml) (jml2)
407  REAL,    INTENT(IN) :: phis(:,:)                   ! dim (iml,jml)
408!-------------------------------------------------------------------------------
409! Local variables:
410  CHARACTER(LEN=256) :: modname
411  REAL               :: date, dt
412  INTEGER            :: iml, jml, jml2, itau(1)
413  REAL, ALLOCATABLE  :: lon_rad(:), lon_ini(:), var_ana(:,:)
414  REAL, ALLOCATABLE  :: lat_rad(:), lat_ini(:)
415  REAL, ALLOCATABLE  :: ts(:,:), qs(:,:)
416!-------------------------------------------------------------------------------
417  modname="start_init_phys"
418  iml=assert_eq(SIZE(lon_in),SIZE(phis,1),TRIM(modname)//" iml")
419  jml=SIZE(phis,2); jml2=SIZE(lat_in)
420
421  WRITE(lunout,*)'Opening the surface analysis'
422  CALL flininfo(phyfname, iml_phys, jml_phys, llm_phys, ttm_phys, fid_phys)
423  WRITE(lunout,*) 'Values read: ',  iml_phys, jml_phys, llm_phys, ttm_phys
424
425  ALLOCATE(lat_phys(iml_phys,jml_phys),lon_phys(iml_phys,jml_phys))
426  ALLOCATE(levphys_ini(llm_phys))
427  CALL flinopen(phyfname, .FALSE., iml_phys, jml_phys, llm_phys,              &
428                lon_phys,lat_phys,levphys_ini,ttm_phys,itau,date,dt,fid_phys)
429
430!--- IF ANGLES ARE IN DEGREES, THEY ARE CONVERTED INTO RADIANS
431  ALLOCATE(lon_ini(iml_phys),lat_ini(jml_phys))
432  lon_ini(:)=lon_phys(:,1); IF(MAXVAL(lon_phys)>pi) lon_ini=lon_ini*deg2rad
433  lat_ini(:)=lat_phys(1,:); IF(MAXVAL(lat_phys)>pi) lat_ini=lat_ini*deg2rad
434
435  ALLOCATE(var_ana(iml_phys,jml_phys),lon_rad(iml_phys),lat_rad(jml_phys))
436  CALL get_var_phys(tsrfvar,ts)                   !--- SURFACE TEMPERATURE
437  CALL get_var_phys(qsolvar,qs)                   !--- SOIL MOISTURE
438  CALL flinclo(fid_phys)
439  DEALLOCATE(var_ana,lon_rad,lat_rad,lon_ini,lat_ini)
440
441!--- TSOL AND QSOL ON PHYSICAL GRID
442  ALLOCATE(tsol(klon))
443  CALL gr_dyn_fi(1,iml,jml,klon,ts,tsol)
444  CALL gr_dyn_fi(1,iml,jml,klon,qs,qsol)
445  DEALLOCATE(ts,qs)
446
447CONTAINS
448
449!-------------------------------------------------------------------------------
450!
451SUBROUTINE get_var_phys(title,field)
452!
453!-------------------------------------------------------------------------------
454  IMPLICIT NONE
455!-------------------------------------------------------------------------------
456! Arguments:
457  CHARACTER(LEN=*),  INTENT(IN)    :: title
458  REAL, ALLOCATABLE, INTENT(INOUT) :: field(:,:)
459!-------------------------------------------------------------------------------
460! Local variables:
461  INTEGER :: tllm
462!-------------------------------------------------------------------------------
463  SELECT CASE(title)
464    CASE(psrfvar);         tllm=0
465    CASE(tsrfvar,qsolvar); tllm=llm_phys
466  END SELECT
467  IF(ALLOCATED(field)) RETURN
468  ALLOCATE(field(iml,jml)); field(:,:)=0.
469  CALL flinget(fid_phys,title,iml_phys,jml_phys,tllm,ttm_phys,1,1,var_ana)
470  CALL conf_dat2d(title, lon_ini, lat_ini, lon_rad, lat_rad, var_ana, .TRUE.)
471  CALL interp_startvar(title, .TRUE., lon_rad, lat_rad, var_ana,               &
472                                      lon_in,  lat_in,  field)
473
474END SUBROUTINE get_var_phys
475!
476!-------------------------------------------------------------------------------
477!
478END SUBROUTINE start_init_phys
479!
480!-------------------------------------------------------------------------------
481
482
483!-------------------------------------------------------------------------------
484!
485SUBROUTINE interp_startvar(nam,ibeg,lon,lat,vari,lon2,lat2,varo)
486!
487!-------------------------------------------------------------------------------
488  USE inter_barxy_m, ONLY: inter_barxy
489  IMPLICIT NONE
490!-------------------------------------------------------------------------------
491! Arguments:
492  CHARACTER(LEN=*), INTENT(IN)  :: nam
493  LOGICAL,          INTENT(IN)  :: ibeg
494  REAL,             INTENT(IN)  :: lon(:), lat(:)   ! dim (ii) (jj)
495  REAL,             INTENT(IN)  :: vari(:,:)        ! dim (ii,jj)
496  REAL,             INTENT(IN)  :: lon2(:), lat2(:) ! dim (i1) (j2)
497  REAL,             INTENT(OUT) :: varo(:,:)        ! dim (i1) (j1)
498!-------------------------------------------------------------------------------
499! Local variables:
500  CHARACTER(LEN=256) :: modname
501  INTEGER            :: ii, jj, i1, j1, j2
502  REAL, ALLOCATABLE  :: vtmp(:,:)
503!-------------------------------------------------------------------------------
504  modname="interp_startvar"
505  ii=assert_eq(SIZE(lon), SIZE(vari,1),TRIM(modname)//" ii")
506  jj=assert_eq(SIZE(lat), SIZE(vari,2),TRIM(modname)//" jj")
507  i1=assert_eq(SIZE(lon2),SIZE(varo,1),TRIM(modname)//" i1")
508  j1=SIZE(varo,2); j2=SIZE(lat2)
509  ALLOCATE(vtmp(i1-1,j1))
510  IF(ibeg.AND.prt_level>1) THEN
511    WRITE(lunout,*)"--------------------------------------------------------"
512    WRITE(lunout,*)"$$$ Interpolation barycentrique pour "//TRIM(nam)//" $$$"
513    WRITE(lunout,*)"--------------------------------------------------------"
514  END IF
515  CALL inter_barxy(lon, lat(:jj-1), vari, lon2(:i1-1), lat2, vtmp)
516  CALL gr_int_dyn(vtmp, varo, i1-1, j1)
517
518END SUBROUTINE interp_startvar
519!
520!-------------------------------------------------------------------------------
521!
522!*******************************************************************************
523
524SUBROUTINE filtreoro(imp1,jmp1,phis,masque,rlatu)
525
526IMPLICIT NONE
527
528  INTEGER imp1,jmp1
529  REAL, DIMENSION(imp1,jmp1) :: phis,masque
530  REAL, DIMENSION(jmp1) :: rlatu
531  REAL, DIMENSION(imp1) :: wwf
532  REAL, DIMENSION(imp1,jmp1) :: phiso
533  INTEGER :: ifiltre,ifi,ii,i,j
534  REAL :: coslat0,ssz
535
536  coslat0=0.5
537  phiso=phis
538  do j=2,jmp1-1
539     print*,'avant if ',cos(rlatu(j)),coslat0
540     if (cos(rlatu(j))<coslat0) then
541         ! nb de pts affectes par le filtrage de part et d'autre du pt
542         ifiltre=(coslat0/cos(rlatu(j))-1.)/2.
543         wwf=0.
544         do i=1,ifiltre
545            wwf(i)=1.
546         enddo
547         wwf(ifiltre+1)=(coslat0/cos(rlatu(j))-1.)/2.-ifiltre
548         do i=1,imp1-1
549            if (masque(i,j)>0.9) then
550               ssz=phis(i,j)
551               do ifi=1,ifiltre+1
552                  ii=i+ifi
553                  if (ii>imp1-1) ii=ii-imp1+1
554                  ssz=ssz+wwf(ifi)*phis(ii,j)
555                  ii=i-ifi
556                  if (ii<1) ii=ii+imp1-1
557                  ssz=ssz+wwf(ifi)*phis(ii,j)
558               enddo
559               phis(i,j)=ssz*cos(rlatu(j))/coslat0
560            endif
561         enddo
562         print*,'j=',j,coslat0/cos(rlatu(j)), (1.+2.*sum(wwf))*cos(rlatu(j))/coslat0
563     endif
564  enddo
565  call dump2d(imp1,jmp1,phis,'phis ')
566  call dump2d(imp1,jmp1,masque,'masque ')
567  call dump2d(imp1,jmp1,phis-phiso,'dphis ')
568
569END SUBROUTINE filtreoro
570
571
572END MODULE etat0phys
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