| 1 |
! |
module read_reanalyse_m |
| 2 |
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/read_reanalyse.F,v 1.3 2005/04/15 12:31:21 lmdzadmin Exp $ |
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| 3 |
! |
IMPLICIT NONE |
| 4 |
c |
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| 5 |
c |
contains |
| 6 |
subroutine read_reanalyse(timestep,psi |
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| 7 |
s ,u,v,t,q,masse,ps,mode,nlevnc) |
subroutine read_reanalyse(psi, u, v, t, q) |
| 8 |
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| 9 |
c mode=0 variables naturelles |
! From LMDZ4/libf/dyn3d/read_reanalyse.F, version 1.3, 2005/04/15 12:31:21 |
| 10 |
c mode=1 variabels GCM |
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| 11 |
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USE conf_guide_m, ONLY: guide_q, guide_t, guide_u, guide_v |
| 12 |
c ----------------------------------------------------------------- |
USE dimens_m, ONLY: iim, jjm, llm |
| 13 |
c Declarations |
use nat2gcm_m, only: nat2gcm |
| 14 |
c ----------------------------------------------------------------- |
USE netcdf, ONLY: nf90_nowrite |
| 15 |
use dimens_m |
USE netcdf95, ONLY: nf95_get_var, nf95_inq_dimid, nf95_inq_varid, & |
| 16 |
use paramet_m |
nf95_inquire_dimension, nf95_open, find_coord |
| 17 |
use comvert |
USE paramet_m, ONLY: iip1, jjp1 |
| 18 |
use comgeom |
use reanalyse2nat_m, only: reanalyse2nat |
| 19 |
use guide_m |
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| 20 |
IMPLICIT NONE |
real, intent(in):: psi(:, :) ! (iip1, jjp1) |
| 21 |
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real, intent(out):: u(:, :, :) ! (iip1, jjp1, llm) |
| 22 |
c common |
real, intent(out):: v(:, :, :) ! (iip1, jjm, llm) |
| 23 |
c ------ |
real, intent(out):: t(:, :, :), q(:, :, :) ! (iip1, jjp1, llm) |
| 24 |
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| 25 |
include "netcdf.inc" |
! Local: |
| 26 |
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integer nlevnc |
| 27 |
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integer:: timestep = 0 |
| 28 |
c arguments |
real pk(iip1, jjp1, llm) |
| 29 |
c --------- |
integer, save:: ncidu, varidu, ncidv, varidv, ncidt, varidt, ncidQ, varidQ |
| 30 |
integer nlevnc |
integer ncid, varid, dimid |
| 31 |
integer timestep,mode,l |
real, allocatable, save:: unc(:, :, :) ! (iip1, jjp1, nlevnc) |
| 32 |
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real, allocatable, save:: vnc(:, :, :) ! (iip1, jjm, nlevnc) |
| 33 |
real psi(iip1,jjp1) |
real, allocatable, save:: tnc(:, :, :), Qnc(:, :, :) ! (iip1, jjp1, nlevnc) |
| 34 |
real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
real, allocatable, save:: pl(:) ! (nlevnc) |
| 35 |
real t(iip1,jjp1,llm),ps(iip1,jjp1),q(iip1,jjp1,llm) |
real latitude(jjm + 1) |
| 36 |
real masse(iip1,jjp1,llm),pk(iip1,jjp1,llm) |
logical:: first = .true. |
| 37 |
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logical, save:: invert_y |
| 38 |
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| 39 |
c local |
! ----------------------------------------------------------------- |
| 40 |
c ----- |
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| 41 |
integer ncidu,varidu,ncidv,varidv,ncidt,varidt,ncidps,varidps |
! Initialisation de la lecture des fichiers |
| 42 |
integer ncidpl |
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| 43 |
integer varidpl,ncidQ,varidQ |
if (first) then |
| 44 |
save ncidu,varidu,ncidv,varidv,ncidt,varidt,ncidps,varidps |
print *, 'Intitialisation de read reanalyse' |
| 45 |
save ncidpl |
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| 46 |
save varidpl,ncidQ,varidQ |
! Vent zonal |
| 47 |
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if (guide_u) then |
| 48 |
real*4 unc(iip1,jjp1,nlevnc),vnc(iip1,jjm,nlevnc) |
call nf95_open('u.nc', nf90_nowrite, ncidu) |
| 49 |
real*4 tnc(iip1,jjp1,nlevnc),psnc(iip1,jjp1) |
call nf95_inq_varid(ncidu, 'UWND', varidu) |
| 50 |
real*4 Qnc(iip1,jjp1,nlevnc) |
endif |
| 51 |
real*4 pl(nlevnc) |
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| 52 |
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! Vent meridien |
| 53 |
integer start(4),count(4),status |
if (guide_v) then |
| 54 |
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call nf95_open('v.nc', nf90_nowrite, ncidv) |
| 55 |
real rcode |
call nf95_inq_varid(ncidv, 'VWND', varidv) |
| 56 |
logical first |
endif |
| 57 |
save first |
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| 58 |
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! Temperature |
| 59 |
data first/.true./ |
if (guide_T) then |
| 60 |
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call nf95_open('T.nc', nf90_nowrite, ncidt) |
| 61 |
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call nf95_inq_varid(ncidt, 'AIR', varidt) |
| 62 |
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endif |
| 63 |
c ----------------------------------------------------------------- |
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| 64 |
c Initialisation de la lecture des fichiers |
! Humidite |
| 65 |
c ----------------------------------------------------------------- |
if (guide_Q) then |
| 66 |
if (first) then |
call nf95_open('hur.nc', nf90_nowrite, ncidQ) |
| 67 |
ncidpl=-99 |
call nf95_inq_varid(ncidQ, 'RH', varidQ) |
| 68 |
print*,'Intitialisation de read reanalsye' |
endif |
| 69 |
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| 70 |
c Vent zonal |
! Coordonn\'ee verticale : |
| 71 |
if (guide_u) then |
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| 72 |
ncidu=NCOPN('u.nc',NCNOWRIT,rcode) |
if (guide_u) then |
| 73 |
varidu=NCVID(ncidu,'UWND',rcode) |
ncid = ncidu |
| 74 |
print*,'ncidu,varidu',ncidu,varidu |
else if (guide_v) then |
| 75 |
if (ncidpl.eq.-99) ncidpl=ncidu |
ncid = ncidv |
| 76 |
endif |
else if (guide_T) then |
| 77 |
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ncid = ncidt |
| 78 |
c Vent meridien |
else |
| 79 |
if (guide_v) then |
ncid = ncidq |
| 80 |
ncidv=NCOPN('v.nc',NCNOWRIT,rcode) |
end if |
| 81 |
varidv=NCVID(ncidv,'VWND',rcode) |
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| 82 |
print*,'ncidv,varidv',ncidv,varidv |
call find_coord(ncid, dimid = dimid, varid = varid, std_name = "plev") |
| 83 |
if (ncidpl.eq.-99) ncidpl=ncidv |
call nf95_inquire_dimension(ncid, dimid, nclen = nlevnc) |
| 84 |
endif |
PRINT *, 'nlevnc = ', nlevnc |
| 85 |
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allocate(unc(iip1, jjp1, nlevnc), vnc(iip1, jjm, nlevnc)) |
| 86 |
c Temperature |
allocate(tnc(iip1, jjp1, nlevnc), Qnc(iip1, jjp1, nlevnc), pl(nlevnc)) |
| 87 |
if (guide_T) then |
call NF95_GET_VAR(ncid, varid, pl) |
| 88 |
ncidt=NCOPN('T.nc',NCNOWRIT,rcode) |
pl = 100. * pl ! passage en pascal |
| 89 |
varidt=NCVID(ncidt,'AIR',rcode) |
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| 90 |
print*,'ncidt,varidt',ncidt,varidt |
! Read latitude values just to know their order: |
| 91 |
if (ncidpl.eq.-99) ncidpl=ncidt |
call find_coord(ncid, varid = varid, std_name = "latitude") |
| 92 |
endif |
call nf95_get_var(ncid, varid, latitude) |
| 93 |
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invert_y = latitude(1) < latitude(2) |
| 94 |
c Humidite |
|
| 95 |
if (guide_Q) then |
first = .false. |
| 96 |
ncidQ=NCOPN('hur.nc',NCNOWRIT,rcode) |
endif |
| 97 |
varidQ=NCVID(ncidQ,'RH',rcode) |
|
| 98 |
print*,'ncidQ,varidQ',ncidQ,varidQ |
! lecture des champs u, v, T, q |
| 99 |
if (ncidpl.eq.-99) ncidpl=ncidQ |
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| 100 |
endif |
timestep = timestep + 1 |
| 101 |
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| 102 |
c Pression de surface |
! Vent zonal |
| 103 |
if (guide_P) then |
if (guide_u) then |
| 104 |
ncidps=NCOPN('ps.nc',NCNOWRIT,rcode) |
call NF95_GET_VAR(ncidu, varidu, unc, start = (/1, 1, 1, timestep/)) |
| 105 |
varidps=NCVID(ncidps,'SP',rcode) |
else |
| 106 |
print*,'ncidps,varidps',ncidps,varidps |
unc = 0. |
| 107 |
endif |
end if |
| 108 |
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| 109 |
c Coordonnee verticale |
! Temperature |
| 110 |
if (ncep) then |
if (guide_T) then |
| 111 |
print*,'Vous etes entrain de lire des donnees NCEP' |
call NF95_GET_VAR(ncidt, varidt, tnc, start = (/1, 1, 1, timestep/)) |
| 112 |
varidpl=NCVID(ncidpl,'LEVEL',rcode) |
else |
| 113 |
else |
tnc = 0. |
| 114 |
print*,'Vous etes entrain de lire des donnees ECMWF' |
end if |
| 115 |
varidpl=NCVID(ncidpl,'PRESSURE',rcode) |
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| 116 |
endif |
! Humidite |
| 117 |
print*,'ncidu,varidpl',ncidu,varidpl |
if (guide_Q) then |
| 118 |
endif |
call NF95_GET_VAR(ncidQ, varidQ, Qnc, start = (/1, 1, 1, timestep/)) |
| 119 |
print*,'ok1' |
else |
| 120 |
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Qnc = 0. |
| 121 |
c Niveaux de pression |
end if |
| 122 |
print*,'WARNING!!! Il n y a pas de test de coherence' |
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| 123 |
print*,'sur le nombre de niveaux verticaux dans le fichier nc' |
! Vent meridien |
| 124 |
status=NF_GET_VARA_REAL(ncidpl,varidpl,1,nlevnc,pl) |
if (guide_v) then |
| 125 |
c passage en pascal |
call NF95_GET_VAR(ncidv, varidv, vnc, start = (/1, 1, 1, timestep/)) |
| 126 |
pl(:)=100.*pl(:) |
else |
| 127 |
if (first) then |
vnc = 0. |
| 128 |
do l=1,nlevnc |
end if |
| 129 |
print*,'PL(',l,')=',pl(l) |
|
| 130 |
enddo |
call reanalyse2nat(invert_y, psi, unc, vnc, tnc, Qnc, pl, u, v, t, Q, pk) |
| 131 |
endif |
call nat2gcm(pk, u, v, t) |
| 132 |
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| 133 |
c ----------------------------------------------------------------- |
end subroutine read_reanalyse |
| 134 |
c lecture des champs u, v, T, ps |
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| 135 |
c ----------------------------------------------------------------- |
end module read_reanalyse_m |
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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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c ----------------------------------------------------------------- |
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call pres2lev(unc,zu,nlevnc,llm,pl,plunc,iip1,jjp1) |
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call pres2lev(vnc,zv,nlevnc,llm,pl,plvnc,iip1,jjm ) |
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call pres2lev(tnc,zt,nlevnc,llm,pl,plsnc,iip1,jjp1) |
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call pres2lev(qnc,zq,nlevnc,llm,pl,plsnc,iip1,jjp1) |
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c call dump2d(iip1,jjp1,ps,'PS ') |
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c call dump2d(iip1,jjp1,psu,'PS ') |
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c call dump2d(iip1,jjm,psv,'PS ') |
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c Inversion Nord/Sud |
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do l=1,llm |
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do j=1,jjp1 |
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do i=1,iim |
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u(i,j,l)=zu(i,jjp1+1-j,l) |
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t(i,j,l)=zt(i,jjp1+1-j,l) |
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q(i,j,l)=zq(i,jjp1+1-j,l) |
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enddo |
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u(iip1,j,l)=u(1,j,l) |
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t(iip1,j,l)=t(1,j,l) |
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q(iip1,j,l)=q(1,j,l) |
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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,iim |
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v(i,j,l)=zv(i,jjm+1-j,l) |
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enddo |
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v(iip1,j,l)=v(1,j,l) |
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enddo |
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enddo |
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return |
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end |
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c=========================================================================== |
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subroutine nat2gcm(u,v,t,rh,pk,ucov,vcov,teta,q) |
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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 q_sat_m, only: q_sat |
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use guide_m |
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implicit none |
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real u(iip1,jjp1,llm),v(iip1,jjm,llm) |
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real t(iip1,jjp1,llm),pk(iip1,jjp1,llm),rh(iip1,jjp1,llm) |
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real ps(iip1,jjp1) |
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real ucov(iip1,jjp1,llm),vcov(iip1,jjm,llm) |
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real teta(iip1,jjp1,llm),q(iip1,jjp1,llm) |
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real pres(iip1,jjp1,llm),qsat(iip1,jjp1,llm) |
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real unskap |
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integer i,j,l |
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print*,'Entree dans nat2gcm' |
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c ucov(:,:,:)=0. |
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c do l=1,llm |
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c ucov(:,2:jjm,l)=u(:,2:jjm,l)*cu_2d(:,2:jjm) |
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c enddo |
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c ucov(iip1,:,:)=ucov(1,:,:) |
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c teta(:,:,:)=t(:,:,:)*cpp/pk(:,:,:) |
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c teta(iip1,:,:)=teta(1,:,:) |
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c calcul de ucov et de la temperature potentielle |
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do l=1,llm |
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do j=1,jjp1 |
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do i=1,iim |
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ucov(i,j,l)=u(i,j,l)*cu_2d(i,j) |
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teta(i,j,l)=t(i,j,l)*cpp/pk(i,j,l) |
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enddo |
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ucov(iip1,j,l)=ucov(1,j,l) |
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teta(iip1,j,l)=teta(1,j,l) |
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enddo |
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do i=1,iip1 |
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ucov(i,1,l)=0. |
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ucov(i,jjp1,l)=0. |
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teta(i,1,l)=teta(1,1,l) |
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teta(i,jjp1,l)=teta(1,jjp1,l) |
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enddo |
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enddo |
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c calcul de ucov |
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do l=1,llm |
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do j=1,jjm |
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do i=1,iim |
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vcov(i,j,l)=v(i,j,l)*cv_2d(i,j) |
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|
enddo |
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vcov(iip1,j,l)=vcov(1,j,l) |
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enddo |
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enddo |
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c call dump2d(iip1,jjp1,teta,'TETA EN BAS ') |
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c call dump2d(iip1,jjp1,teta(1,1,llm),'TETA EN HAUT ') |
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c Humidite relative -> specifique |
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c ------------------------------- |
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if (1.eq.0) then |
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|
c FINALEMENT ON GUIDE EN HUMIDITE RELATIVE |
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|
print*,'calcul de unskap' |
|
|
unskap = 1./ kappa |
|
|
print*,'calcul de pres' |
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|
pres(:,:,:)=preff*(pk(:,:,:)/cpp)**unskap |
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print*,'calcul de qsat' |
|
|
qsat = q_sat(t, pres) |
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print*,'calcul de q' |
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|
c ATTENTION : humidites relatives en % |
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|
rh(:,:,:)=max(rh(:,:,:)*0.01,1.e-6) |
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|
q(:,:,:)=qsat(:,:,:)*rh(:,:,:) |
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print*,'calcul de q OK' |
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|
|
call dump2d(iip1,jjp1,pres,'PRESSION PREMIERE COUCHE ') |
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call dump2d(iip1,jjp1,q,'HUMIDITE SPECIFIQUE COUCHE 1 ') |
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endif |
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return |
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end |
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c=========================================================================== |
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subroutine correctbid(iim,nl,x) |
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c=========================================================================== |
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integer iim,nl |
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real x(iim+1,nl) |
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integer i,l |
|
|
real zz |
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|
|
do l=1,nl |
|
|
do i=2,iim-1 |
|
|
if(abs(x(i,l)).gt.1.e10) then |
|
|
zz=0.5*(x(i-1,l)+x(i+1,l)) |
|
|
c print*,'correction ',i,l,x(i,l),zz |
|
|
x(i,l)=zz |
|
|
endif |
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|
enddo |
|
|
enddo |
|
|
return |
|
|
end |
|
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