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guez |
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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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c |
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c |
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subroutine read_reanalyse(timestep,psi |
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s ,u,v,t,q,masse,ps,mode,nlevnc) |
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c mode=0 variables naturelles |
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c mode=1 variabels GCM |
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c ----------------------------------------------------------------- |
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c Declarations |
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c ----------------------------------------------------------------- |
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use dimens_m |
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use paramet_m |
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use comvert |
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use comgeom |
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use guide_m |
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IMPLICIT NONE |
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c common |
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c ------ |
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include "netcdf.inc" |
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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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real psi(iip1,jjp1) |
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real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
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real t(iip1,jjp1,llm),ps(iip1,jjp1),q(iip1,jjp1,llm) |
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real masse(iip1,jjp1,llm),pk(iip1,jjp1,llm) |
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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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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) |
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real*4 pl(nlevnc) |
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integer start(4),count(4),status |
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real rcode |
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logical first |
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save first |
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data first/.true./ |
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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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c Vent zonal |
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if (guide_u) then |
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ncidu=NCOPN('u.nc',NCNOWRIT,rcode) |
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varidu=NCVID(ncidu,'UWND',rcode) |
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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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c Vent meridien |
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if (guide_v) then |
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ncidv=NCOPN('v.nc',NCNOWRIT,rcode) |
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varidv=NCVID(ncidv,'VWND',rcode) |
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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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c Temperature |
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if (guide_T) then |
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ncidt=NCOPN('T.nc',NCNOWRIT,rcode) |
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varidt=NCVID(ncidt,'AIR',rcode) |
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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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c Humidite |
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if (guide_Q) then |
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ncidQ=NCOPN('hur.nc',NCNOWRIT,rcode) |
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varidQ=NCVID(ncidQ,'RH',rcode) |
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print*,'ncidQ,varidQ',ncidQ,varidQ |
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if (ncidpl.eq.-99) ncidpl=ncidQ |
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endif |
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c Pression de surface |
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if (guide_P) then |
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ncidps=NCOPN('ps.nc',NCNOWRIT,rcode) |
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varidps=NCVID(ncidps,'SP',rcode) |
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print*,'ncidps,varidps',ncidps,varidps |
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endif |
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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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varidpl=NCVID(ncidpl,'LEVEL',rcode) |
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else |
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print*,'Vous etes entrain de lire des donnees ECMWF' |
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varidpl=NCVID(ncidpl,'PRESSURE',rcode) |
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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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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 |
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print*,'PL(',l,')=',pl(l) |
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enddo |
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endif |
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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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c dimensions pour les champs scalaires et le vent zonal |
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c ----------------------------------------------------- |
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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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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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c mise a zero des tableaux |
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c ------------------------ |
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unc(:,:,:)=0. |
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vnc(:,:,:)=0. |
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tnc(:,:,:)=0. |
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Qnc(:,:,:)=0. |
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c Vent zonal |
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c ---------- |
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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) |
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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 ' |
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print*,'probleme dans la creation des fichiers nc' |
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call correctbid(iim,jjp1*nlevnc,unc) |
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call dump2d(iip1,jjp1,unc,'UNC COUCHE 1 ') |
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endif |
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c Temperature |
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c ----------- |
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print*,'ncidt=',ncidt,'varidt=',varidt,'start=',start |
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print*,'count=',count |
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if (guide_T) then |
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status=NF_GET_VARA_REAL(ncidt,varidt,start,count,tnc) |
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call dump2d(iip1,jjp1,tnc,'TNC COUCHE 1 AAA ') |
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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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c Humidite |
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c -------- |
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if (guide_Q) then |
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status=NF_GET_VARA_REAL(ncidQ,varidQ,start,count,Qnc) |
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call correctbid(iim,jjp1*nlevnc,Qnc) |
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call dump2d(iip1,jjp1,Qnc,'QNC COUCHE 1 ') |
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endif |
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count(2)=jjm |
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c Vent meridien |
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c ------------- |
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if (guide_v) then |
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status=NF_GET_VARA_REAL(ncidv,varidv,start,count,vnc) |
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call correctbid(iim,jjm*nlevnc,vnc) |
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call dump2d(iip1,jjm,vnc,'VNC COUCHE 1 ') |
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endif |
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start(3)=timestep |
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start(4)=0 |
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count(2)=jjp1 |
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count(3)=1 |
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count(4)=0 |
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c Pression de surface |
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c ------------------- |
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if (guide_P) then |
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status=NF_GET_VARA_REAL(ncidps,varidps,start,count,psnc) |
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call dump2d(iip1,jjp1,psnc,'PSNC COUCHE 1 ') |
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call correctbid(iim,jjp1,psnc) |
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endif |
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c ----------------------------------------------------------------- |
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c Interpollation verticale sur les niveaux modele |
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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) |
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call dump2d(iip1,jjm,v,'V COUCHE APRES ') |
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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) |
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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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c Lignes introduites a une epoque pour un probleme oublie... |
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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. |
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return |
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end |
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c=========================================================================== |
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subroutine reanalyse2nat(nlevnc,psi |
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s ,unc,vnc,tnc,qnc,psnc,pl,u,v,t,q |
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s ,ps,masse,pk) |
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c=========================================================================== |
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c ----------------------------------------------------------------- |
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c Inversion Nord/sud de la grille + interpollation sur les niveaux |
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c verticaux du modele. |
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c ----------------------------------------------------------------- |
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use dimens_m |
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use paramet_m |
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use comconst |
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use comvert |
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use comgeom |
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use exner_hyb_m, only: exner_hyb |
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use guide_m |
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use pression_m, only: pression |
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implicit none |
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integer nlevnc |
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real psi(iip1,jjp1) |
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real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
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real t(iip1,jjp1,llm),ps(iip1,jjp1),q(iip1,jjp1,llm) |
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real pl(nlevnc) |
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real unc(iip1,jjp1,nlevnc),vnc(iip1,jjm,nlevnc) |
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real tnc(iip1,jjp1,nlevnc),psnc(iip1,jjp1) |
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real qnc(iip1,jjp1,nlevnc) |
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real zu(iip1,jjp1,llm),zv(iip1,jjm,llm) |
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real zt(iip1,jjp1,llm),zq(iip1,jjp1,llm) |
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real pext(iip1,jjp1,llm) |
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real pbarx(iip1,jjp1,llm),pbary(iip1,jjm,llm) |
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real plunc(iip1,jjp1,llm),plvnc(iip1,jjm,llm) |
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real plsnc(iip1,jjp1,llm) |
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real p(iip1,jjp1,llmp1),pk(iip1,jjp1,llm),pks(iip1,jjp1) |
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real pkf(iip1,jjp1,llm) |
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real masse(iip1,jjp1,llm),pls(iip1,jjp1,llm) |
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real prefkap,unskap |
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integer i,j,l |
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c ----------------------------------------------------------------- |
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c calcul de la pression au milieu des couches. |
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c ----------------------------------------------------------------- |
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CALL pression( ip1jmp1, ap, bp, psi, p ) |
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call massdair(p,masse) |
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CALL exner_hyb(psi,p,pks,pk,pkf) |
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c .... Calcul de pls , pression au milieu des couches ,en Pascals |
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unskap=1./kappa |
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prefkap = preff ** kappa |
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c PRINT *,' Pref kappa unskap ',preff,kappa,unskap |
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DO l = 1, llm |
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DO j=1,jjp1 |
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DO i =1, iip1 |
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pls(i,j,l) = preff * ( pk(i,j,l)/cpp) ** unskap |
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ENDDO |
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ENDDO |
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ENDDO |
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c ----------------------------------------------------------------- |
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c calcul des pressions pour les grilles u et v |
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c ----------------------------------------------------------------- |
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do l=1,llm |
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do j=1,jjp1 |
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do i=1,iip1 |
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pext(i,j,l)=pls(i,j,l)*aire_2d(i,j) |
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enddo |
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enddo |
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enddo |
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call massbar(pext, pbarx, pbary ) |
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do l=1,llm |
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do j=1,jjp1 |
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do i=1,iip1 |
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plunc(i,jjp1+1-j,l)=pbarx(i,j,l)/aireu_2d(i,j) |
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plsnc(i,jjp1+1-j,l)=pls(i,j,l) |
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enddo |
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enddo |
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enddo |
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do l=1,llm |
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do j=1,jjm |
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do i=1,iip1 |
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plvnc(i,jjm+1-j,l)=pbary(i,j,l)/airev_2d(i,j) |
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enddo |
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enddo |
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enddo |
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c ----------------------------------------------------------------- |
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if (guide_P) then |
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do j=1,jjp1 |
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do i=1,iim |
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ps(i,j)=psnc(i,jjp1+1-j) |
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enddo |
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ps(iip1,j)=ps(1,j) |
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enddo |
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endif |
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| 360 |
|
|
|
| 361 |
|
|
c ----------------------------------------------------------------- |
| 362 |
|
|
call pres2lev(unc,zu,nlevnc,llm,pl,plunc,iip1,jjp1) |
| 363 |
|
|
call pres2lev(vnc,zv,nlevnc,llm,pl,plvnc,iip1,jjm ) |
| 364 |
|
|
call pres2lev(tnc,zt,nlevnc,llm,pl,plsnc,iip1,jjp1) |
| 365 |
|
|
call pres2lev(qnc,zq,nlevnc,llm,pl,plsnc,iip1,jjp1) |
| 366 |
|
|
|
| 367 |
|
|
c call dump2d(iip1,jjp1,ps,'PS ') |
| 368 |
|
|
c call dump2d(iip1,jjp1,psu,'PS ') |
| 369 |
|
|
c call dump2d(iip1,jjm,psv,'PS ') |
| 370 |
|
|
c Inversion Nord/Sud |
| 371 |
|
|
do l=1,llm |
| 372 |
|
|
do j=1,jjp1 |
| 373 |
|
|
do i=1,iim |
| 374 |
|
|
u(i,j,l)=zu(i,jjp1+1-j,l) |
| 375 |
|
|
t(i,j,l)=zt(i,jjp1+1-j,l) |
| 376 |
|
|
q(i,j,l)=zq(i,jjp1+1-j,l) |
| 377 |
|
|
enddo |
| 378 |
|
|
u(iip1,j,l)=u(1,j,l) |
| 379 |
|
|
t(iip1,j,l)=t(1,j,l) |
| 380 |
|
|
q(iip1,j,l)=q(1,j,l) |
| 381 |
|
|
enddo |
| 382 |
|
|
enddo |
| 383 |
|
|
|
| 384 |
|
|
do l=1,llm |
| 385 |
|
|
do j=1,jjm |
| 386 |
|
|
do i=1,iim |
| 387 |
|
|
v(i,j,l)=zv(i,jjm+1-j,l) |
| 388 |
|
|
enddo |
| 389 |
|
|
v(iip1,j,l)=v(1,j,l) |
| 390 |
|
|
enddo |
| 391 |
|
|
enddo |
| 392 |
|
|
|
| 393 |
|
|
return |
| 394 |
|
|
end |
| 395 |
|
|
|
| 396 |
|
|
c=========================================================================== |
| 397 |
|
|
subroutine nat2gcm(u,v,t,rh,pk,ucov,vcov,teta,q) |
| 398 |
|
|
c=========================================================================== |
| 399 |
|
|
|
| 400 |
|
|
use dimens_m |
| 401 |
|
|
use paramet_m |
| 402 |
|
|
use comconst |
| 403 |
|
|
use comvert |
| 404 |
|
|
use comgeom |
| 405 |
|
|
use q_sat_m, only: q_sat |
| 406 |
|
|
use guide_m |
| 407 |
|
|
implicit none |
| 408 |
|
|
|
| 409 |
|
|
|
| 410 |
|
|
real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
| 411 |
|
|
real t(iip1,jjp1,llm),pk(iip1,jjp1,llm),rh(iip1,jjp1,llm) |
| 412 |
|
|
real ps(iip1,jjp1) |
| 413 |
|
|
|
| 414 |
|
|
real ucov(iip1,jjp1,llm),vcov(iip1,jjm,llm) |
| 415 |
|
|
real teta(iip1,jjp1,llm),q(iip1,jjp1,llm) |
| 416 |
|
|
|
| 417 |
|
|
real pres(iip1,jjp1,llm),qsat(iip1,jjp1,llm) |
| 418 |
|
|
|
| 419 |
|
|
real unskap |
| 420 |
|
|
|
| 421 |
|
|
integer i,j,l |
| 422 |
|
|
|
| 423 |
|
|
|
| 424 |
|
|
print*,'Entree dans nat2gcm' |
| 425 |
|
|
c ucov(:,:,:)=0. |
| 426 |
|
|
c do l=1,llm |
| 427 |
|
|
c ucov(:,2:jjm,l)=u(:,2:jjm,l)*cu_2d(:,2:jjm) |
| 428 |
|
|
c enddo |
| 429 |
|
|
c ucov(iip1,:,:)=ucov(1,:,:) |
| 430 |
|
|
|
| 431 |
|
|
c teta(:,:,:)=t(:,:,:)*cpp/pk(:,:,:) |
| 432 |
|
|
c teta(iip1,:,:)=teta(1,:,:) |
| 433 |
|
|
|
| 434 |
|
|
c calcul de ucov et de la temperature potentielle |
| 435 |
|
|
do l=1,llm |
| 436 |
|
|
do j=1,jjp1 |
| 437 |
|
|
do i=1,iim |
| 438 |
|
|
ucov(i,j,l)=u(i,j,l)*cu_2d(i,j) |
| 439 |
|
|
teta(i,j,l)=t(i,j,l)*cpp/pk(i,j,l) |
| 440 |
|
|
enddo |
| 441 |
|
|
ucov(iip1,j,l)=ucov(1,j,l) |
| 442 |
|
|
teta(iip1,j,l)=teta(1,j,l) |
| 443 |
|
|
enddo |
| 444 |
|
|
do i=1,iip1 |
| 445 |
|
|
ucov(i,1,l)=0. |
| 446 |
|
|
ucov(i,jjp1,l)=0. |
| 447 |
|
|
teta(i,1,l)=teta(1,1,l) |
| 448 |
|
|
teta(i,jjp1,l)=teta(1,jjp1,l) |
| 449 |
|
|
enddo |
| 450 |
|
|
enddo |
| 451 |
|
|
|
| 452 |
|
|
c calcul de ucov |
| 453 |
|
|
do l=1,llm |
| 454 |
|
|
do j=1,jjm |
| 455 |
|
|
do i=1,iim |
| 456 |
|
|
vcov(i,j,l)=v(i,j,l)*cv_2d(i,j) |
| 457 |
|
|
enddo |
| 458 |
|
|
vcov(iip1,j,l)=vcov(1,j,l) |
| 459 |
|
|
enddo |
| 460 |
|
|
enddo |
| 461 |
|
|
|
| 462 |
|
|
c call dump2d(iip1,jjp1,teta,'TETA EN BAS ') |
| 463 |
|
|
c call dump2d(iip1,jjp1,teta(1,1,llm),'TETA EN HAUT ') |
| 464 |
|
|
|
| 465 |
|
|
c Humidite relative -> specifique |
| 466 |
|
|
c ------------------------------- |
| 467 |
|
|
if (1.eq.0) then |
| 468 |
|
|
c FINALEMENT ON GUIDE EN HUMIDITE RELATIVE |
| 469 |
|
|
print*,'calcul de unskap' |
| 470 |
|
|
unskap = 1./ kappa |
| 471 |
|
|
print*,'calcul de pres' |
| 472 |
|
|
pres(:,:,:)=preff*(pk(:,:,:)/cpp)**unskap |
| 473 |
|
|
print*,'calcul de qsat' |
| 474 |
|
|
qsat = q_sat(t, pres) |
| 475 |
|
|
print*,'calcul de q' |
| 476 |
|
|
c ATTENTION : humidites relatives en % |
| 477 |
|
|
rh(:,:,:)=max(rh(:,:,:)*0.01,1.e-6) |
| 478 |
|
|
q(:,:,:)=qsat(:,:,:)*rh(:,:,:) |
| 479 |
|
|
print*,'calcul de q OK' |
| 480 |
|
|
|
| 481 |
|
|
call dump2d(iip1,jjp1,pres,'PRESSION PREMIERE COUCHE ') |
| 482 |
|
|
call dump2d(iip1,jjp1,q,'HUMIDITE SPECIFIQUE COUCHE 1 ') |
| 483 |
|
|
endif |
| 484 |
|
|
|
| 485 |
|
|
|
| 486 |
|
|
return |
| 487 |
|
|
end |
| 488 |
|
|
|
| 489 |
|
|
|
| 490 |
|
|
|
| 491 |
|
|
c=========================================================================== |
| 492 |
|
|
subroutine correctbid(iim,nl,x) |
| 493 |
|
|
c=========================================================================== |
| 494 |
|
|
integer iim,nl |
| 495 |
|
|
real x(iim+1,nl) |
| 496 |
|
|
integer i,l |
| 497 |
|
|
real zz |
| 498 |
|
|
|
| 499 |
|
|
do l=1,nl |
| 500 |
|
|
do i=2,iim-1 |
| 501 |
|
|
if(abs(x(i,l)).gt.1.e10) then |
| 502 |
|
|
zz=0.5*(x(i-1,l)+x(i+1,l)) |
| 503 |
|
|
c print*,'correction ',i,l,x(i,l),zz |
| 504 |
|
|
x(i,l)=zz |
| 505 |
|
|
endif |
| 506 |
|
|
enddo |
| 507 |
|
|
enddo |
| 508 |
|
|
return |
| 509 |
|
|
end |
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