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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/read_reanalyse.F,v 1.3 2005/04/15 12:31:21 lmdzadmin Exp $ |
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! |
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c |
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c |
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subroutine read_reanalyse(timestep,psi |
7 |
s ,u,v,t,q,masse,ps,mode,nlevnc) |
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|
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c mode=0 variables naturelles |
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c mode=1 variabels GCM |
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|
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c ----------------------------------------------------------------- |
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c Declarations |
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c ----------------------------------------------------------------- |
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use dimens_m |
16 |
use paramet_m |
17 |
use comvert |
18 |
use comgeom |
19 |
use guide_m |
20 |
use netcdf |
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|
22 |
IMPLICIT NONE |
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|
24 |
c common |
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c ------ |
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|
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include "netcdf.inc" |
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|
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|
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c arguments |
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c --------- |
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integer nlevnc |
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integer timestep,mode,l |
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|
35 |
real psi(iip1,jjp1) |
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real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
37 |
real t(iip1,jjp1,llm),ps(iip1,jjp1),q(iip1,jjp1,llm) |
38 |
real masse(iip1,jjp1,llm),pk(iip1,jjp1,llm) |
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|
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|
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c local |
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c ----- |
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integer ncidu,varidu,ncidv,varidv,ncidt,varidt,ncidps,varidps |
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integer ncidpl |
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integer varidpl,ncidQ,varidQ |
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save ncidu,varidu,ncidv,varidv,ncidt,varidt,ncidps,varidps |
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save ncidpl |
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save varidpl,ncidQ,varidQ |
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|
50 |
real*4 unc(iip1,jjp1,nlevnc),vnc(iip1,jjm,nlevnc) |
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real*4 tnc(iip1,jjp1,nlevnc),psnc(iip1,jjp1) |
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real*4 Qnc(iip1,jjp1,nlevnc) |
53 |
real*4 pl(nlevnc) |
54 |
|
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integer start(4),count(4),status |
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|
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real rcode |
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logical first |
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save first |
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|
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data first/.true./ |
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|
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|
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|
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c ----------------------------------------------------------------- |
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c Initialisation de la lecture des fichiers |
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c ----------------------------------------------------------------- |
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if (first) then |
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ncidpl=-99 |
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print*,'Intitialisation de read reanalsye' |
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|
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c Vent zonal |
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if (guide_u) then |
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rcode=nf90_open('u.nc',nf90_nowrite,ncidu) |
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rcode = nf90_inq_varid(ncidu, 'UWND', varidu) |
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print*,'ncidu,varidu',ncidu,varidu |
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if (ncidpl.eq.-99) ncidpl=ncidu |
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endif |
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|
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c Vent meridien |
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if (guide_v) then |
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rcode=nf90_open('v.nc',nf90_nowrite,ncidv) |
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rcode = nf90_inq_varid(ncidv, 'VWND', varidv) |
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print*,'ncidv,varidv',ncidv,varidv |
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if (ncidpl.eq.-99) ncidpl=ncidv |
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endif |
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|
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c Temperature |
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if (guide_T) then |
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rcode=nf90_open('T.nc',nf90_nowrite,ncidt) |
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rcode = nf90_inq_varid(ncidt, 'AIR', varidt) |
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print*,'ncidt,varidt',ncidt,varidt |
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if (ncidpl.eq.-99) ncidpl=ncidt |
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endif |
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|
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c Humidite |
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if (guide_Q) then |
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rcode=nf90_open('hur.nc',nf90_nowrite,ncidQ) |
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rcode = nf90_inq_varid(ncidQ, 'RH', varidQ) |
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print*,'ncidQ,varidQ',ncidQ,varidQ |
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if (ncidpl.eq.-99) ncidpl=ncidQ |
102 |
endif |
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|
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c Pression de surface |
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if (guide_P) then |
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rcode=nf90_open('ps.nc',nf90_nowrite,ncidps) |
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rcode = nf90_inq_varid(ncidps, 'SP', varidps) |
108 |
print*,'ncidps,varidps',ncidps,varidps |
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endif |
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|
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c Coordonnee verticale |
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if (ncep) then |
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print*,'Vous etes entrain de lire des donnees NCEP' |
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rcode = nf90_inq_varid(ncidpl, 'LEVEL', varidpl) |
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else |
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print*,'Vous etes entrain de lire des donnees ECMWF' |
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rcode = nf90_inq_varid(ncidpl, 'PRESSURE', varidpl) |
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endif |
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print*,'ncidu,varidpl',ncidu,varidpl |
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endif |
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print*,'ok1' |
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|
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c Niveaux de pression |
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print*,'WARNING!!! Il n y a pas de test de coherence' |
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print*,'sur le nombre de niveaux verticaux dans le fichier nc' |
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status=NF_GET_VARA_REAL(ncidpl,varidpl,1,nlevnc,pl) |
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c passage en pascal |
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pl(:)=100.*pl(:) |
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if (first) then |
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do l=1,nlevnc |
131 |
print*,'PL(',l,')=',pl(l) |
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enddo |
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endif |
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|
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c ----------------------------------------------------------------- |
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c lecture des champs u, v, T, ps |
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c ----------------------------------------------------------------- |
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|
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c dimensions pour les champs scalaires et le vent zonal |
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c ----------------------------------------------------- |
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|
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start(1)=1 |
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start(2)=1 |
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start(3)=1 |
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start(4)=timestep |
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|
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count(1)=iip1 |
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count(2)=jjp1 |
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count(3)=nlevnc |
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count(4)=1 |
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|
152 |
c mise a zero des tableaux |
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c ------------------------ |
154 |
unc(:,:,:)=0. |
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vnc(:,:,:)=0. |
156 |
tnc(:,:,:)=0. |
157 |
Qnc(:,:,:)=0. |
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|
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c Vent zonal |
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c ---------- |
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|
162 |
if (guide_u) then |
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print*,'avant la lecture de UNCEP nd de niv:',nlevnc |
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status=NF_GET_VARA_REAL(ncidu,varidu,start,count,unc) |
165 |
c call dump2d(iip1,jjp1,unc,'VENT NCEP ') |
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c call dump2d(iip1,40,unc(1,1,nlevnc),'VENT NCEP ') |
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print*,'WARNING!!! Correction bidon pour palier a un ' |
168 |
print*,'probleme dans la creation des fichiers nc' |
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call correctbid(iim,jjp1*nlevnc,unc) |
170 |
call dump2d(iip1,jjp1,unc,'UNC COUCHE 1 ') |
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endif |
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|
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c Temperature |
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c ----------- |
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|
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print*,'ncidt=',ncidt,'varidt=',varidt,'start=',start |
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print*,'count=',count |
178 |
if (guide_T) then |
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status=NF_GET_VARA_REAL(ncidt,varidt,start,count,tnc) |
180 |
call dump2d(iip1,jjp1,tnc,'TNC COUCHE 1 AAA ') |
181 |
call correctbid(iim,jjp1*nlevnc,tnc) |
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call dump2d(iip1,jjp1,tnc,'TNC COUCHE 1 BBB ') |
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endif |
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|
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c Humidite |
186 |
c -------- |
187 |
|
188 |
if (guide_Q) then |
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status=NF_GET_VARA_REAL(ncidQ,varidQ,start,count,Qnc) |
190 |
call correctbid(iim,jjp1*nlevnc,Qnc) |
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call dump2d(iip1,jjp1,Qnc,'QNC COUCHE 1 ') |
192 |
endif |
193 |
|
194 |
count(2)=jjm |
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c Vent meridien |
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c ------------- |
197 |
|
198 |
if (guide_v) then |
199 |
status=NF_GET_VARA_REAL(ncidv,varidv,start,count,vnc) |
200 |
call correctbid(iim,jjm*nlevnc,vnc) |
201 |
call dump2d(iip1,jjm,vnc,'VNC COUCHE 1 ') |
202 |
endif |
203 |
|
204 |
start(3)=timestep |
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start(4)=0 |
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count(2)=jjp1 |
207 |
count(3)=1 |
208 |
count(4)=0 |
209 |
|
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c Pression de surface |
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c ------------------- |
212 |
|
213 |
if (guide_P) then |
214 |
status=NF_GET_VARA_REAL(ncidps,varidps,start,count,psnc) |
215 |
call dump2d(iip1,jjp1,psnc,'PSNC COUCHE 1 ') |
216 |
call correctbid(iim,jjp1,psnc) |
217 |
endif |
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|
219 |
|
220 |
|
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c ----------------------------------------------------------------- |
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c Interpollation verticale sur les niveaux modele |
223 |
c ----------------------------------------------------------------- |
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call reanalyse2nat(nlevnc,psi,unc,vnc,tnc,Qnc,psnc,pl,u,v,t,Q |
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s ,ps,masse,pk) |
226 |
|
227 |
call dump2d(iip1,jjm,v,'V COUCHE APRES ') |
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|
229 |
|
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c ----------------------------------------------------------------- |
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c Passage aux variables du modele (vents covariants, temperature |
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c potentielle et humidite specifique) |
233 |
c ----------------------------------------------------------------- |
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call nat2gcm(u,v,t,Q,pk,u,v,t,Q) |
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print*,'TIMESTEP ',timestep |
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if(mode.ne.1) stop'mode pas egal 0' |
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c call dump2d(iip1,jjm,v,'VCOV COUCHE 1 ') |
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|
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c Lignes introduites a une epoque pour un probleme oublie... |
240 |
c do l=1,llm |
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c do i=1,iip1 |
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c v(i,1,l)=0. |
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c v(i,jjm,l)=0. |
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c enddo |
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c enddo |
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first=.false. |
247 |
|
248 |
return |
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end |
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|
251 |
|
252 |
c=========================================================================== |
253 |
subroutine reanalyse2nat(nlevnc,psi |
254 |
s ,unc,vnc,tnc,qnc,psnc,pl,u,v,t,q |
255 |
s ,ps,masse,pk) |
256 |
c=========================================================================== |
257 |
|
258 |
c ----------------------------------------------------------------- |
259 |
c Inversion Nord/sud de la grille + interpollation sur les niveaux |
260 |
c verticaux du modele. |
261 |
c ----------------------------------------------------------------- |
262 |
|
263 |
use dimens_m |
264 |
use paramet_m |
265 |
use comconst |
266 |
use comvert |
267 |
use comgeom |
268 |
use exner_hyb_m, only: exner_hyb |
269 |
use guide_m |
270 |
use pression_m, only: pression |
271 |
|
272 |
implicit none |
273 |
|
274 |
|
275 |
integer nlevnc |
276 |
real psi(iip1,jjp1) |
277 |
real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
278 |
real t(iip1,jjp1,llm),ps(iip1,jjp1),q(iip1,jjp1,llm) |
279 |
|
280 |
real pl(nlevnc) |
281 |
real unc(iip1,jjp1,nlevnc),vnc(iip1,jjm,nlevnc) |
282 |
real tnc(iip1,jjp1,nlevnc),psnc(iip1,jjp1) |
283 |
real qnc(iip1,jjp1,nlevnc) |
284 |
|
285 |
real zu(iip1,jjp1,llm),zv(iip1,jjm,llm) |
286 |
real zt(iip1,jjp1,llm),zq(iip1,jjp1,llm) |
287 |
|
288 |
real pext(iip1,jjp1,llm) |
289 |
real pbarx(iip1,jjp1,llm),pbary(iip1,jjm,llm) |
290 |
real plunc(iip1,jjp1,llm),plvnc(iip1,jjm,llm) |
291 |
real plsnc(iip1,jjp1,llm) |
292 |
|
293 |
real p(iip1,jjp1,llmp1),pk(iip1,jjp1,llm),pks(iip1,jjp1) |
294 |
real pkf(iip1,jjp1,llm) |
295 |
real masse(iip1,jjp1,llm),pls(iip1,jjp1,llm) |
296 |
real prefkap,unskap |
297 |
|
298 |
|
299 |
integer i,j,l |
300 |
|
301 |
|
302 |
c ----------------------------------------------------------------- |
303 |
c calcul de la pression au milieu des couches. |
304 |
c ----------------------------------------------------------------- |
305 |
|
306 |
CALL pression( ip1jmp1, ap, bp, psi, p ) |
307 |
call massdair(p,masse) |
308 |
CALL exner_hyb(psi,p,pks,pk,pkf) |
309 |
|
310 |
c .... Calcul de pls , pression au milieu des couches ,en Pascals |
311 |
unskap=1./kappa |
312 |
prefkap = preff ** kappa |
313 |
c PRINT *,' Pref kappa unskap ',preff,kappa,unskap |
314 |
DO l = 1, llm |
315 |
DO j=1,jjp1 |
316 |
DO i =1, iip1 |
317 |
pls(i,j,l) = preff * ( pk(i,j,l)/cpp) ** unskap |
318 |
ENDDO |
319 |
ENDDO |
320 |
ENDDO |
321 |
|
322 |
|
323 |
c ----------------------------------------------------------------- |
324 |
c calcul des pressions pour les grilles u et v |
325 |
c ----------------------------------------------------------------- |
326 |
|
327 |
do l=1,llm |
328 |
do j=1,jjp1 |
329 |
do i=1,iip1 |
330 |
pext(i,j,l)=pls(i,j,l)*aire_2d(i,j) |
331 |
enddo |
332 |
enddo |
333 |
enddo |
334 |
call massbar(pext, pbarx, pbary ) |
335 |
do l=1,llm |
336 |
do j=1,jjp1 |
337 |
do i=1,iip1 |
338 |
plunc(i,jjp1+1-j,l)=pbarx(i,j,l)/aireu_2d(i,j) |
339 |
plsnc(i,jjp1+1-j,l)=pls(i,j,l) |
340 |
enddo |
341 |
enddo |
342 |
enddo |
343 |
do l=1,llm |
344 |
do j=1,jjm |
345 |
do i=1,iip1 |
346 |
plvnc(i,jjm+1-j,l)=pbary(i,j,l)/airev_2d(i,j) |
347 |
enddo |
348 |
enddo |
349 |
enddo |
350 |
|
351 |
c ----------------------------------------------------------------- |
352 |
|
353 |
if (guide_P) then |
354 |
do j=1,jjp1 |
355 |
do i=1,iim |
356 |
ps(i,j)=psnc(i,jjp1+1-j) |
357 |
enddo |
358 |
ps(iip1,j)=ps(1,j) |
359 |
enddo |
360 |
endif |
361 |
|
362 |
|
363 |
c ----------------------------------------------------------------- |
364 |
call pres2lev(unc,zu,nlevnc,llm,pl,plunc,iip1,jjp1) |
365 |
call pres2lev(vnc,zv,nlevnc,llm,pl,plvnc,iip1,jjm ) |
366 |
call pres2lev(tnc,zt,nlevnc,llm,pl,plsnc,iip1,jjp1) |
367 |
call pres2lev(qnc,zq,nlevnc,llm,pl,plsnc,iip1,jjp1) |
368 |
|
369 |
c call dump2d(iip1,jjp1,ps,'PS ') |
370 |
c call dump2d(iip1,jjp1,psu,'PS ') |
371 |
c call dump2d(iip1,jjm,psv,'PS ') |
372 |
c Inversion Nord/Sud |
373 |
do l=1,llm |
374 |
do j=1,jjp1 |
375 |
do i=1,iim |
376 |
u(i,j,l)=zu(i,jjp1+1-j,l) |
377 |
t(i,j,l)=zt(i,jjp1+1-j,l) |
378 |
q(i,j,l)=zq(i,jjp1+1-j,l) |
379 |
enddo |
380 |
u(iip1,j,l)=u(1,j,l) |
381 |
t(iip1,j,l)=t(1,j,l) |
382 |
q(iip1,j,l)=q(1,j,l) |
383 |
enddo |
384 |
enddo |
385 |
|
386 |
do l=1,llm |
387 |
do j=1,jjm |
388 |
do i=1,iim |
389 |
v(i,j,l)=zv(i,jjm+1-j,l) |
390 |
enddo |
391 |
v(iip1,j,l)=v(1,j,l) |
392 |
enddo |
393 |
enddo |
394 |
|
395 |
return |
396 |
end |
397 |
|
398 |
c=========================================================================== |
399 |
subroutine nat2gcm(u,v,t,rh,pk,ucov,vcov,teta,q) |
400 |
c=========================================================================== |
401 |
|
402 |
use dimens_m |
403 |
use paramet_m |
404 |
use comconst |
405 |
use comvert |
406 |
use comgeom |
407 |
use q_sat_m, only: q_sat |
408 |
use guide_m |
409 |
implicit none |
410 |
|
411 |
|
412 |
real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
413 |
real t(iip1,jjp1,llm),pk(iip1,jjp1,llm),rh(iip1,jjp1,llm) |
414 |
real ps(iip1,jjp1) |
415 |
|
416 |
real ucov(iip1,jjp1,llm),vcov(iip1,jjm,llm) |
417 |
real teta(iip1,jjp1,llm),q(iip1,jjp1,llm) |
418 |
|
419 |
real pres(iip1,jjp1,llm),qsat(iip1,jjp1,llm) |
420 |
|
421 |
real unskap |
422 |
|
423 |
integer i,j,l |
424 |
|
425 |
|
426 |
print*,'Entree dans nat2gcm' |
427 |
c ucov(:,:,:)=0. |
428 |
c do l=1,llm |
429 |
c ucov(:,2:jjm,l)=u(:,2:jjm,l)*cu_2d(:,2:jjm) |
430 |
c enddo |
431 |
c ucov(iip1,:,:)=ucov(1,:,:) |
432 |
|
433 |
c teta(:,:,:)=t(:,:,:)*cpp/pk(:,:,:) |
434 |
c teta(iip1,:,:)=teta(1,:,:) |
435 |
|
436 |
c calcul de ucov et de la temperature potentielle |
437 |
do l=1,llm |
438 |
do j=1,jjp1 |
439 |
do i=1,iim |
440 |
ucov(i,j,l)=u(i,j,l)*cu_2d(i,j) |
441 |
teta(i,j,l)=t(i,j,l)*cpp/pk(i,j,l) |
442 |
enddo |
443 |
ucov(iip1,j,l)=ucov(1,j,l) |
444 |
teta(iip1,j,l)=teta(1,j,l) |
445 |
enddo |
446 |
do i=1,iip1 |
447 |
ucov(i,1,l)=0. |
448 |
ucov(i,jjp1,l)=0. |
449 |
teta(i,1,l)=teta(1,1,l) |
450 |
teta(i,jjp1,l)=teta(1,jjp1,l) |
451 |
enddo |
452 |
enddo |
453 |
|
454 |
c calcul de ucov |
455 |
do l=1,llm |
456 |
do j=1,jjm |
457 |
do i=1,iim |
458 |
vcov(i,j,l)=v(i,j,l)*cv_2d(i,j) |
459 |
enddo |
460 |
vcov(iip1,j,l)=vcov(1,j,l) |
461 |
enddo |
462 |
enddo |
463 |
|
464 |
c call dump2d(iip1,jjp1,teta,'TETA EN BAS ') |
465 |
c call dump2d(iip1,jjp1,teta(1,1,llm),'TETA EN HAUT ') |
466 |
|
467 |
c Humidite relative -> specifique |
468 |
c ------------------------------- |
469 |
if (1.eq.0) then |
470 |
c FINALEMENT ON GUIDE EN HUMIDITE RELATIVE |
471 |
print*,'calcul de unskap' |
472 |
unskap = 1./ kappa |
473 |
print*,'calcul de pres' |
474 |
pres(:,:,:)=preff*(pk(:,:,:)/cpp)**unskap |
475 |
print*,'calcul de qsat' |
476 |
qsat = q_sat(t, pres) |
477 |
print*,'calcul de q' |
478 |
c ATTENTION : humidites relatives en % |
479 |
rh(:,:,:)=max(rh(:,:,:)*0.01,1.e-6) |
480 |
q(:,:,:)=qsat(:,:,:)*rh(:,:,:) |
481 |
print*,'calcul de q OK' |
482 |
|
483 |
call dump2d(iip1,jjp1,pres,'PRESSION PREMIERE COUCHE ') |
484 |
call dump2d(iip1,jjp1,q,'HUMIDITE SPECIFIQUE COUCHE 1 ') |
485 |
endif |
486 |
|
487 |
|
488 |
return |
489 |
end |
490 |
|
491 |
|
492 |
|
493 |
c=========================================================================== |
494 |
subroutine correctbid(iim,nl,x) |
495 |
c=========================================================================== |
496 |
integer iim,nl |
497 |
real x(iim+1,nl) |
498 |
integer i,l |
499 |
real zz |
500 |
|
501 |
do l=1,nl |
502 |
do i=2,iim-1 |
503 |
if(abs(x(i,l)).gt.1.e10) then |
504 |
zz=0.5*(x(i-1,l)+x(i+1,l)) |
505 |
c print*,'correction ',i,l,x(i,l),zz |
506 |
x(i,l)=zz |
507 |
endif |
508 |
enddo |
509 |
enddo |
510 |
return |
511 |
end |