source: LMDZ6/branches/Ocean_skin/libf/dynphy_lonlat/phylmd/etat0dyn_netcdf.F90 @ 3605

Last change on this file since 3605 was 3605, checked in by lguez, 5 years ago

Merge revisions 3427:3600 of trunk into branch Ocean_skin

File size: 21.8 KB
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1MODULE etat0dyn
2!
3!*******************************************************************************
4! Purpose: Create dynamical initial state using atmospheric fields from a
5!          database of atmospheric to initialize the model.
6!-------------------------------------------------------------------------------
7! Comments:
8!
9!    *  This module is designed to work for Earth (and with ioipsl)
10!
11!    *  etat0dyn_netcdf routine can access to NetCDF data through the following
12!  routine (to be called after restget):
13!    CALL startget_dyn3d(varname, lon_in,  lat_in, pls, workvar,&
14!                          champ, lon_in2, lat_in2)
15!
16!    *  Variables should have the following names in the NetCDF files:
17!            'U'      : East ward wind              (in "ECDYN.nc")
18!            'V'      : Northward wind              (in "ECDYN.nc")
19!            'TEMP'   : Temperature                 (in "ECDYN.nc")
20!            'R'      : Relative humidity           (in "ECDYN.nc")
21!            'RELIEF' : High resolution orography   (in "Relief.nc")
22!
23!    * The land mask and corresponding weights can be:
24!      1) already known (in particular if etat0dyn has been called before) ;
25!         in this case, ANY(masque(:,:)/=-99999.) = .TRUE.
26!      2) computed using the ocean mask from the ocean model (to ensure ocean
27!         fractions are the same for atmosphere and ocean) for coupled runs.
28!         File name: "o2a.nc"  ;  variable name: "OceMask"
29!      3) computed from topography file "Relief.nc" for forced runs.
30!
31!   *   There is a big mess with the longitude size. Should it be iml or iml+1 ?
32!  I have chosen to use the iml+1 as an argument to this routine and we declare
33!  internaly smaller fields when needed. This needs to be cleared once and for
34!  all in LMDZ. A convention is required.
35!-------------------------------------------------------------------------------
36  USE ioipsl,         ONLY: flininfo, flinopen, flinget, flinclo, histclo
37  USE assert_eq_m,    ONLY: assert_eq
38  USE comconst_mod, ONLY: pi, cpp, kappa
39  USE comvert_mod, ONLY: ap, bp, preff, pressure_exner
40  USE temps_mod, ONLY: annee_ref, day_ref, itau_dyn, itau_phy, start_time
41 
42  IMPLICIT NONE
43
44  PRIVATE
45  PUBLIC :: etat0dyn_netcdf
46
47  include "iniprint.h"
48  include "dimensions.h"
49  include "paramet.h"
50  include "comgeom2.h"
51  include "comdissnew.h"
52  REAL, SAVE :: deg2rad
53  INTEGER,            SAVE      :: iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn
54  REAL, ALLOCATABLE,  SAVE      :: lon_dyn(:,:), lat_dyn(:,:), levdyn_ini(:)
55  CHARACTER(LEN=120), PARAMETER :: dynfname='ECDYN.nc'
56
57CONTAINS
58
59!-------------------------------------------------------------------------------
60!
61SUBROUTINE etat0dyn_netcdf(masque, phis)
62!
63!-------------------------------------------------------------------------------
64! Purpose: Create dynamical initial states.
65!-------------------------------------------------------------------------------
66! Notes:  1) This routine is designed to work for Earth
67!         2) If masque(:,:)/=-99999., masque and phis are already known.
68!         Otherwise: compute it.
69!-------------------------------------------------------------------------------
70  USE control_mod
71  USE regr_lat_time_coefoz_m, ONLY: regr_lat_time_coefoz
72  USE regr_pr_o3_m,   ONLY: regr_pr_o3
73  USE press_coefoz_m, ONLY: press_coefoz
74  USE exner_hyb_m,    ONLY: exner_hyb
75  USE exner_milieu_m, ONLY: exner_milieu
76  USE infotrac,       ONLY: nqtot, tname
77  USE filtreg_mod
78  IMPLICIT NONE
79!-------------------------------------------------------------------------------
80! Arguments:
81  REAL,    INTENT(INOUT) :: masque(iip1,jjp1)   !--- Land-ocean mask
82  REAL,    INTENT(INOUT) :: phis  (iip1,jjp1)   !--- Ground geopotential
83!-------------------------------------------------------------------------------
84! Local variables:
85  CHARACTER(LEN=256) :: modname, fmt
86  INTEGER            :: i, j, l, ji, itau, iday
87  REAL               :: xpn, xps, time, phystep
88  REAL, DIMENSION(iip1,jjp1)       :: psol
89  REAL, DIMENSION(iip1,jjp1,llm+1) :: p3d
90  REAL, DIMENSION(iip1,jjp1,llm)   :: uvent, t3d, tpot, qsat, qd
91  REAL, DIMENSION(iip1,jjp1,llm)   :: pk, pls, y, masse
92  REAL, DIMENSION(iip1,jjm ,llm)   :: vvent
93  REAL, DIMENSION(ip1jm    ,llm)   :: pbarv
94  REAL, DIMENSION(ip1jmp1  ,llm)   :: pbaru, phi, w
95  REAL, DIMENSION(ip1jmp1)         :: pks
96  REAL, DIMENSION(iim)             :: xppn, xpps
97  REAL, ALLOCATABLE                :: q3d(:,:,:,:)
98!-------------------------------------------------------------------------------
99  modname='etat0dyn_netcdf'
100
101  deg2rad = pi/180.0
102  y(:,:,:)=0  !ym warning unitialized variable
103 
104! Compute psol AND tsol, knowing phis.
105!*******************************************************************************
106  CALL start_init_dyn(rlonv, rlatu, rlonu, rlatv, phis, psol)
107
108! Mid-levels pressure computation
109!*******************************************************************************
110  CALL pression(ip1jmp1, ap, bp, psol, p3d)             !--- Update p3d
111  IF(pressure_exner) THEN                               !--- Update pk, pks
112    CALL exner_hyb   (ip1jmp1,psol,p3d,pks,pk)
113  ELSE
114    CALL exner_milieu(ip1jmp1,psol,p3d,pks,pk)
115  END IF
116  pls(:,:,:)=preff*(pk(:,:,:)/cpp)**(1./kappa)          !--- Update pls
117
118! Update uvent, vvent, t3d and tpot
119!*******************************************************************************
120  uvent(:,:,:) = 0.0 ; vvent(:,:,:) = 0.0 ; t3d (:,:,:) = 0.0
121  CALL startget_dyn3d('u'   ,rlonu,rlatu,pls,y ,uvent,rlonv,rlatv)
122  CALL startget_dyn3d('v'   ,rlonv,rlatv,pls(:,:jjm,:),y(:,:jjm,:),vvent,      &
123 &                           rlonu,rlatu(:jjm))
124  CALL startget_dyn3d('t'   ,rlonv,rlatu,pls,y ,t3d ,rlonu,rlatv)
125  tpot(:,:,:)=t3d(:,:,:)
126  CALL startget_dyn3d('tpot',rlonv,rlatu,pls,pk,tpot,rlonu,rlatv)
127
128  WRITE(lunout,*) 'T3D min,max:',MINVAL(t3d(:,:,:)),MAXVAL(t3d(:,:,:))
129  WRITE(lunout,*) 'PLS min,max:',MINVAL(pls(:,:,:)),MAXVAL(pls(:,:,:))
130
131! Humidity at saturation computation
132!*******************************************************************************
133  WRITE(lunout,*) 'avant q_sat'
134  CALL q_sat(llm*jjp1*iip1, t3d, pls, qsat)
135  WRITE(lunout,*) 'apres q_sat'
136  WRITE(lunout,*) 'QSAT min,max:',MINVAL(qsat(:,:,:)),MAXVAL(qsat(:,:,:))
137!  WRITE(lunout,*) 'QSAT :',qsat(10,20,:)
138  qd (:,:,:) = 0.0
139  CALL startget_dyn3d('q',rlonv,rlatu,pls,qsat,qd,rlonu,rlatv)
140  ALLOCATE(q3d(iip1,jjp1,llm,nqtot)); q3d(:,:,:,:)=0.0 ; q3d(:,:,:,1)=qd(:,:,:)
141  CALL flinclo(fid_dyn)
142
143! Parameterization of ozone chemistry:
144!*******************************************************************************
145! Look for ozone tracer:
146#ifndef INCA
147  DO i=1,nqtot; IF(ANY(["O3","o3"]==tname(i))) EXIT; END DO
148  IF(i/=nqtot+1) THEN
149    CALL regr_lat_time_coefoz
150    CALL press_coefoz
151    CALL regr_pr_o3(p3d, q3d(:,:,:,i))
152    q3d(:,:,:,i)=q3d(:,:,:,i)*48./ 29.                  !--- Mole->mass fraction         
153  END IF
154#endif
155  q3d(iip1,:,:,:)=q3d(1,:,:,:)
156
157! Writing
158!*******************************************************************************
159  CALL inidissip(lstardis, nitergdiv, nitergrot, niterh, tetagdiv, tetagrot,   &
160       tetatemp, vert_prof_dissip)
161  WRITE(lunout,*)'sortie inidissip'
162  itau=0
163  itau_dyn=0
164  itau_phy=0
165  iday=dayref+itau/day_step
166  time=FLOAT(itau-(iday-dayref)*day_step)/day_step
167  IF(time>1.) THEN
168   time=time-1
169   iday=iday+1
170  END IF
171  day_ref=dayref
172  annee_ref=anneeref
173  CALL geopot( ip1jmp1, tpot, pk, pks, phis, phi )
174  WRITE(lunout,*)'sortie geopot'
175  CALL caldyn0( itau, uvent, vvent, tpot, psol, masse, pk, phis,               &
176                phi,  w, pbaru, pbarv, time+iday-dayref)
177  WRITE(lunout,*)'sortie caldyn0'
178  start_time = 0.
179#ifdef CPP_PARA
180  CALL dynredem0_loc( "start.nc", dayref, phis)
181#else
182  CALL dynredem0( "start.nc", dayref, phis)
183#endif
184  WRITE(lunout,*)'sortie dynredem0'
185#ifdef CPP_PARA
186  CALL dynredem1_loc( "start.nc", 0.0, vvent, uvent, tpot, q3d, masse, psol)
187#else
188  CALL dynredem1( "start.nc", 0.0, vvent, uvent, tpot, q3d, masse, psol)
189#endif
190  WRITE(lunout,*)'sortie dynredem1'
191  CALL histclo()
192
193END SUBROUTINE etat0dyn_netcdf
194!
195!-------------------------------------------------------------------------------
196
197
198!-------------------------------------------------------------------------------
199!
200SUBROUTINE startget_dyn3d(var, lon_in,  lat_in,  pls,  workvar,&
201                        champ, lon_in2, lat_in2)
202!-------------------------------------------------------------------------------
203  IMPLICIT NONE
204!===============================================================================
205! Purpose: Compute some quantities (u,v,t,q,tpot) using variables U,V,TEMP and R
206!     (3D fields) of file dynfname.
207!-------------------------------------------------------------------------------
208! Note: An input auxilliary field "workvar" has to be specified in two cases:
209!     * for "q":    the saturated humidity.
210!     * for "tpot": the Exner function.
211!===============================================================================
212! Arguments:
213  CHARACTER(LEN=*), INTENT(IN)    :: var
214  REAL,             INTENT(IN)    :: lon_in(:)        ! dim (iml)
215  REAL,             INTENT(IN)    :: lat_in(:)        ! dim (jml)
216  REAL,             INTENT(IN)    :: pls    (:, :, :) ! dim (iml, jml, lml)
217  REAL,             INTENT(IN)    :: workvar(:, :, :) ! dim (iml, jml, lml)
218  REAL,             INTENT(INOUT) :: champ  (:, :, :) ! dim (iml, jml, lml)
219  REAL,             INTENT(IN)    :: lon_in2(:)       ! dim (iml)
220  REAL,             INTENT(IN)    :: lat_in2(:)       ! dim (jml2)
221!-------------------------------------------------------------------------------
222! Local variables:
223  CHARACTER(LEN=10)  :: vname
224  CHARACTER(LEN=256) :: msg, modname="startget_dyn3d"
225  INTEGER            :: iml, jml, jml2, lml, il
226  REAL               :: xppn, xpps
227!-------------------------------------------------------------------------------
228  iml=assert_eq([SIZE(lon_in),SIZE(pls,1),SIZE(workvar,1),SIZE(champ,1),       &
229     &                                    SIZE(lon_in2)], TRIM(modname)//" iml")
230  jml=assert_eq( SIZE(lat_in),SIZE(pls,2),SIZE(workvar,2),SIZE(champ,2),       &
231     &                                                    TRIM(modname)//" jml")
232  lml=assert_eq(              SIZE(pls,3),SIZE(workvar,3),SIZE(champ,3),       &
233     &                                                    TRIM(modname)//" lml")
234  jml2=SIZE(lat_in2)
235
236!--- CHECK IF THE FIELD IS KNOWN
237   SELECT CASE(var)
238    CASE('u');    vname='U'
239    CASE('v');    vname='V'
240    CASE('t');    vname='TEMP'
241    CASE('q');    vname='R';    msg='humidity as the saturated humidity'
242    CASE('tpot'); msg='potential temperature as the Exner function'
243    CASE DEFAULT; msg='No rule to extract variable '//TRIM(var)
244      CALL abort_gcm(modname,TRIM(msg)//' from any data set',1)
245  END SELECT
246
247!--- CHECK IF SOMETHING IS MISSING
248  IF((var=='tpot'.OR.var=='q').AND.MINVAL(workvar)==MAXVAL(workvar)) THEN
249    msg='Could not compute '//TRIM(msg)//' is missing or constant.'
250    CALL abort_gcm(modname,TRIM(msg),1)
251  END IF
252
253!--- INTERPOLATE 3D FIELD IF NEEDED
254  IF(var/='tpot') CALL start_inter_3d(TRIM(vname),lon_in,lat_in,lon_in2,      &
255                                                  lat_in2,pls,champ)
256
257!--- COMPUTE THE REQUIRED FILED
258  SELECT CASE(var)
259    CASE('u'); DO il=1,lml; champ(:,:,il)=champ(:,:,il)*cu(:,1:jml); END DO
260      champ(iml,:,:)=champ(1,:,:)                   !--- Eastward wind
261
262    CASE('v'); DO il=1,lml; champ(:,:,il)=champ(:,:,il)*cv(:,1:jml); END DO
263      champ(iml,:,:)=champ(1,:,:)                   !--- Northward wind
264
265    CASE('tpot','q')
266      IF(var=='tpot') THEN; champ=champ*cpp/workvar !--- Potential temperature
267      ELSE;                 champ=champ*.01*workvar !--- Relative humidity
268        WHERE(champ<0.) champ=1.0E-10
269      END IF
270      DO il=1,lml
271        xppn = SUM(aire(:,1  )*champ(:,1  ,il))/apoln
272        xpps = SUM(aire(:,jml)*champ(:,jml,il))/apols
273        champ(:,1  ,il) = xppn
274        champ(:,jml,il) = xpps
275      END DO
276  END SELECT
277
278END SUBROUTINE startget_dyn3d
279!
280!-------------------------------------------------------------------------------
281
282
283!-------------------------------------------------------------------------------
284!
285SUBROUTINE start_init_dyn(lon_in,lat_in,lon_in2,lat_in2,zs,psol)
286!
287!-------------------------------------------------------------------------------
288  IMPLICIT NONE
289!===============================================================================
290! Purpose:   Compute psol, knowing phis.
291!===============================================================================
292! Arguments:
293  REAL,    INTENT(IN)  :: lon_in (:),  lat_in (:)    ! dim (iml) (jml)
294  REAL,    INTENT(IN)  :: lon_in2(:),  lat_in2(:)    ! dim (iml) (jml2)
295  REAL,    INTENT(IN)  :: zs  (:,:)                  ! dim (iml,jml)
296  REAL,    INTENT(OUT) :: psol(:,:)                  ! dim (iml,jml)
297!-------------------------------------------------------------------------------
298! Local variables:
299  CHARACTER(LEN=256) :: modname='start_init_dyn'
300  REAL               :: date, dt
301  INTEGER            :: iml, jml, jml2, itau(1)
302  REAL, ALLOCATABLE  :: lon_rad(:), lon_ini(:), var_ana(:,:)
303  REAL, ALLOCATABLE  :: lat_rad(:), lat_ini(:)
304  REAL, ALLOCATABLE  :: z(:,:), ps(:,:), ts(:,:)
305!-------------------------------------------------------------------------------
306  iml=assert_eq(SIZE(lon_in),SIZE(zs,1),SIZE(psol,1),SIZE(lon_in2),            &
307      &                                              TRIM(modname)//" iml")
308  jml=assert_eq(SIZE(lat_in),SIZE(zs,2),SIZE(psol,2),TRIM(modname)//" jml")
309  jml2=SIZE(lat_in2)
310
311  WRITE(lunout,*) 'Opening the surface analysis'
312  CALL flininfo(dynfname, iml_dyn, jml_dyn, llm_dyn, ttm_dyn, fid_dyn)
313  WRITE(lunout,*) 'Values read: ', iml_dyn, jml_dyn, llm_dyn, ttm_dyn
314
315  ALLOCATE(lon_dyn(iml_dyn,jml_dyn), lat_dyn(iml_dyn,jml_dyn))
316  ALLOCATE(levdyn_ini(llm_dyn))
317  CALL flinopen(dynfname, .FALSE., iml_dyn, jml_dyn, llm_dyn,                  &
318                lon_dyn,lat_dyn,levdyn_ini,ttm_dyn,itau,date,dt,fid_dyn)
319
320!--- IF ANGLES ARE IN DEGREES, THEY ARE CONVERTED INTO RADIANS
321  ALLOCATE(lon_ini(iml_dyn),lat_ini(jml_dyn))
322  lon_ini(:)=lon_dyn(:,1); IF(MAXVAL(lon_dyn)>pi) lon_ini=lon_ini*deg2rad
323  lat_ini(:)=lat_dyn(1,:); IF(MAXVAL(lat_dyn)>pi) lat_ini=lat_ini*deg2rad
324
325  ALLOCATE(var_ana(iml_dyn,jml_dyn),lon_rad(iml_dyn),lat_rad(jml_dyn))
326  CALL get_var_dyn('Z',z)                        !--- SURFACE GEOPOTENTIAL
327  CALL get_var_dyn('SP',ps)                      !--- SURFACE PRESSURE
328  CALL get_var_dyn('ST',ts)                      !--- SURFACE TEMPERATURE
329!  CALL flinclo(fid_dyn)
330  DEALLOCATE(var_ana,lon_rad,lat_rad,lon_ini,lat_ini)
331
332!--- PSOL IS COMPUTED IN PASCALS
333  psol(:iml-1,:) = ps(:iml-1,:)*(1.0+(z(:iml-1,:)-zs(:iml-1,:))/287.0          &
334     &            /ts(:iml-1,:))
335  psol(iml,:)=psol(1,:)
336  DEALLOCATE(z,ps,ts)
337  psol(:,1  )=SUM(aire(1:iml-1,1  )*psol(1:iml-1,1  ))/apoln  !--- NORTH POLE
338  psol(:,jml)=SUM(aire(1:iml-1,jml)*psol(1:iml-1,jml))/apols  !--- SOUTH POLE
339
340CONTAINS
341
342!-------------------------------------------------------------------------------
343!
344SUBROUTINE get_var_dyn(title,field)
345!
346!-------------------------------------------------------------------------------
347  USE conf_dat_m, ONLY: conf_dat2d
348  IMPLICIT NONE
349!-------------------------------------------------------------------------------
350! Arguments:
351  CHARACTER(LEN=*),  INTENT(IN)    :: title
352  REAL, ALLOCATABLE, INTENT(INOUT) :: field(:,:)
353!-------------------------------------------------------------------------------
354! Local variables:
355  CHARACTER(LEN=256) :: msg
356  INTEGER :: tllm
357!-------------------------------------------------------------------------------
358  SELECT CASE(title)
359    CASE('Z');     tllm=0;       msg='geopotential'
360    CASE('SP');    tllm=0;       msg='surface pressure'
361    CASE('ST');    tllm=llm_dyn; msg='temperature'
362  END SELECT
363  IF(.NOT.ALLOCATED(field)) THEN
364    ALLOCATE(field(iml,jml))
365    CALL flinget(fid_dyn, title, iml_dyn,jml_dyn, tllm, ttm_dyn, 1, 1, var_ana)
366    CALL conf_dat2d(title, lon_ini, lat_ini, lon_rad, lat_rad, var_ana, .TRUE.)
367    CALL interp_startvar(title, .TRUE., lon_rad,lat_rad, var_ana,              &
368                                        lon_in, lat_in, lon_in2, lat_in2, field)
369  ELSE IF(SIZE(field)/=SIZE(z)) THEN
370    msg='The '//TRIM(msg)//' field we have does not have the right size'
371    CALL abort_gcm(TRIM(modname),msg,1)
372  END IF
373
374END SUBROUTINE get_var_dyn
375!
376!-------------------------------------------------------------------------------
377
378END SUBROUTINE start_init_dyn
379!
380!-------------------------------------------------------------------------------
381
382
383!-------------------------------------------------------------------------------
384!
385SUBROUTINE start_inter_3d(var,lon_in,lat_in,lon_in2,lat_in2,pls_in,var3d)
386!
387!-------------------------------------------------------------------------------
388  USE conf_dat_m, ONLY: conf_dat3d
389  USE pchsp_95_m, ONLY: pchsp_95
390  USE pchfe_95_m, ONLY: pchfe_95
391  IMPLICIT NONE
392!-------------------------------------------------------------------------------
393! Arguments:
394  CHARACTER(LEN=*), INTENT(IN) :: var
395  REAL,    INTENT(IN)  :: lon_in(:),  lat_in(:)   ! dim (iml) (jml)
396  REAL,    INTENT(IN)  :: lon_in2(:), lat_in2(:)  ! dim (iml) (jml2)
397  REAL,    INTENT(IN)  :: pls_in(:,:,:)           ! dim (iml,jml,lml)
398  REAL,    INTENT(OUT) :: var3d (:,:,:)           ! dim (iml,jml,lml)
399!-------------------------------------------------------------------------------
400! Local variables:
401  CHARACTER(LEN=256) :: modname='start_inter_3d'
402  LOGICAL :: skip
403  REAL    :: chmin, chmax
404  INTEGER :: iml, jml, lml, jml2, ii, ij, il, ierr
405  INTEGER :: n_extrap                             ! Extrapolated points number
406  REAL, ALLOCATABLE :: ax(:), lon_rad(:), lon_ini(:), lev_dyn(:), yder(:)
407  REAL, ALLOCATABLE :: ay(:), lat_rad(:), lat_ini(:), var_tmp3d(:,:,:)
408  REAL, ALLOCATABLE, SAVE :: var_ana3d(:,:,:)
409!-------------------------------------------------------------------------------
410  iml=assert_eq(SIZE(lon_in),SIZE(lon_in2),SIZE(pls_in,1),SIZE(var3d,1),TRIM(modname)//" iml")
411  jml=assert_eq(SIZE(lat_in),              SIZE(pls_in,2),SIZE(var3d,2),TRIM(modname)//" jml")
412  lml=assert_eq(SIZE(pls_in,3),SIZE(var3d,3),TRIM(modname)//" lml"); jml2=SIZE(lat_in2)
413
414  WRITE(lunout, *)'Going into flinget to extract the 3D field.'
415  IF(.NOT.ALLOCATED(var_ana3d)) ALLOCATE(var_ana3d(iml_dyn, jml_dyn, llm_dyn))
416  CALL flinget(fid_dyn,var,iml_dyn,jml_dyn,llm_dyn,ttm_dyn,1,1,var_ana3d)
417
418!--- ANGLES IN DEGREES ARE CONVERTED INTO RADIANS
419  ALLOCATE(lon_ini(iml_dyn), lat_ini(jml_dyn))
420  lon_ini(:)=lon_dyn(:,1); IF(MAXVAL(lon_dyn)>pi) lon_ini=lon_ini*deg2rad
421  lat_ini(:)=lat_dyn(1,:); IF(MAXVAL(lat_dyn)>pi) lat_ini=lat_ini*deg2rad
422
423!--- FIELDS ARE PROCESSED TO BE ON STANDARD ANGULAR DOMAINS
424  ALLOCATE(lon_rad(iml_dyn), lat_rad(jml_dyn), lev_dyn(llm_dyn))
425  CALL conf_dat3d(var, lon_ini, lat_ini, levdyn_ini,                           &
426                       lon_rad, lat_rad, lev_dyn, var_ana3d, .TRUE.)
427  DEALLOCATE(lon_ini, lat_ini)
428
429!--- COMPUTE THE REQUIRED FIELDS USING ROUTINE grid_noro
430  ALLOCATE(var_tmp3d(iml,jml,llm_dyn))
431  DO il = 1,llm_dyn
432    CALL interp_startvar(var,il==1,lon_rad,lat_rad,var_ana3d(:,:,il),          &
433                          lon_in,lat_in,lon_in2,lat_in2,var_tmp3d(:,:,il))
434  END DO
435  DEALLOCATE(lon_rad, lat_rad)
436
437!--- VERTICAL INTERPOLATION FROM TOP OF ATMOSPHERE TO GROUND
438  ALLOCATE(ax(llm_dyn),ay(llm_dyn),yder(llm_dyn))
439  ax = lev_dyn(llm_dyn:1:-1)
440  skip = .FALSE.
441  n_extrap = 0
442  DO ij=1, jml
443    DO ii=1, iml-1
444      ay = var_tmp3d(ii, ij, llm_dyn:1:-1)
445      yder = pchsp_95(ax, ay, ibeg=2, iend=2, vc_beg=0., vc_end=0.)
446      CALL pchfe_95(ax, ay, yder, skip, pls_in(ii, ij, lml:1:-1),              &
447           var3d(ii, ij, lml:1:-1), ierr)
448      IF(ierr<0) CALL abort_gcm(TRIM(modname),'error in pchfe_95',1)
449      n_extrap = n_extrap + ierr
450    END DO
451  END DO
452  IF(n_extrap/=0) WRITE(lunout,*)TRIM(modname)//" pchfe_95: n_extrap=", n_extrap
453  var3d(iml, :, :) = var3d(1, :, :)
454
455  DO il=1, lml
456    CALL minmax(iml*jml, var3d(1, 1, il), chmin, chmax)
457    WRITE(lunout, *)' '//TRIM(var)//'  min max l ', il, chmin, chmax
458  END DO
459
460END SUBROUTINE start_inter_3d
461!
462!-------------------------------------------------------------------------------
463
464
465!-------------------------------------------------------------------------------
466!
467SUBROUTINE interp_startvar(nam,ibeg,lon,lat,vari,lon1,lat1,lon2,lat2,varo)
468!
469!-------------------------------------------------------------------------------
470  USE inter_barxy_m, ONLY: inter_barxy
471  IMPLICIT NONE
472!-------------------------------------------------------------------------------
473! Arguments:
474  CHARACTER(LEN=*), INTENT(IN)  :: nam
475  LOGICAL,          INTENT(IN)  :: ibeg
476  REAL,             INTENT(IN)  :: lon(:), lat(:)   ! dim (ii) (jj)
477  REAL,             INTENT(IN)  :: vari(:,:)        ! dim (ii,jj)
478  REAL,             INTENT(IN)  :: lon1(:), lat1(:) ! dim (i1) (j1)
479  REAL,             INTENT(IN)  :: lon2(:), lat2(:) ! dim (i1) (j2)
480  REAL,             INTENT(OUT) :: varo(:,:)        ! dim (i1) (j1)
481!-------------------------------------------------------------------------------
482! Local variables:
483  CHARACTER(LEN=256) :: modname="interp_startvar"
484  INTEGER            :: ii, jj, i1, j1, j2
485  REAL, ALLOCATABLE  :: vtmp(:,:)
486!-------------------------------------------------------------------------------
487  ii=assert_eq(SIZE(lon),            SIZE(vari,1),TRIM(modname)//" ii")
488  jj=assert_eq(SIZE(lat),            SIZE(vari,2),TRIM(modname)//" jj")
489  i1=assert_eq(SIZE(lon1),SIZE(lon2),SIZE(varo,1),TRIM(modname)//" i1")
490  j1=assert_eq(SIZE(lat1),           SIZE(varo,2),TRIM(modname)//" j1")
491  j2=SIZE(lat2)
492  ALLOCATE(vtmp(i1-1,j1))
493  IF(ibeg.AND.prt_level>1) THEN
494    WRITE(lunout,*)"---------------------------------------------------------"
495    WRITE(lunout,*)"$$$ Interpolation barycentrique pour "//TRIM(nam)//" $$$"
496    WRITE(lunout,*)"---------------------------------------------------------"
497  END IF
498  CALL inter_barxy(lon, lat(:jj-1), vari, lon2(:i1-1), lat2, vtmp)
499  CALL gr_int_dyn(vtmp, varo, i1-1, j1)
500
501END SUBROUTINE interp_startvar
502!
503!-------------------------------------------------------------------------------
504
505END MODULE etat0dyn
506!
507!*******************************************************************************
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