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module read_reanalyse_m |
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IMPLICIT NONE |
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contains |
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subroutine read_reanalyse(timestep, psi, u, v, t, q, masse, nlevnc) |
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! From LMDZ4/libf/dyn3d/read_reanalyse.F, version 1.3, 2005/04/15 12:31:21 |
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USE conf_guide_m, ONLY: guide_q, guide_t, guide_u, guide_v, ncep |
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USE dimens_m, ONLY: iim, jjm, llm |
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USE netcdf, ONLY: nf90_get_var, nf90_inq_varid, nf90_nowrite, nf90_open |
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USE paramet_m, ONLY: iip1, jjp1 |
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use reanalyse2nat_m, only: reanalyse2nat |
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|
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integer timestep |
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real, intent(in):: 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), q(iip1, jjp1, llm) |
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real masse(iip1, jjp1, llm) |
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integer nlevnc |
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|
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! Local: |
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integer l |
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real pk(iip1, jjp1, llm) |
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integer, save:: ncidu, varidu, ncidv, varidv, ncidt, varidt |
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integer, save:: ncidpl |
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integer, save:: varidpl, ncidQ, varidQ |
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real unc(iip1, jjp1, nlevnc), vnc(iip1, jjm, nlevnc) |
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real tnc(iip1, jjp1, nlevnc) |
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real Qnc(iip1, jjp1, nlevnc) |
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real pl(nlevnc) |
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integer start(4), count(4), status |
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real rcode |
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logical:: first = .true. |
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|
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! ----------------------------------------------------------------- |
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! Initialisation de la lecture des fichiers |
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|
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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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! 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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if (ncidpl.eq.-99) ncidpl=ncidu |
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endif |
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|
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! 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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if (ncidpl.eq.-99) ncidpl=ncidv |
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endif |
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|
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! 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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if (ncidpl.eq.-99) ncidpl=ncidt |
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endif |
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|
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! 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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if (ncidpl.eq.-99) ncidpl=ncidQ |
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endif |
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|
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! 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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endif |
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|
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! Niveaux de pression |
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|
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! Warning: il n y a pas de test de coherence sur le nombre de |
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! niveaux verticaux dans le fichier nc' |
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status=NF90_GET_VAR(ncidpl, varidpl, pl) |
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! 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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|
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! lecture des champs u, v, T |
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! dimensions pour les champs scalaires et le vent zonal |
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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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! mise a zero des tableaux |
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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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! Vent zonal |
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if (guide_u) then |
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status=NF90_GET_VAR(ncidu, varidu, unc, start, count) |
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! Warning Correction bidon pour palier a un probleme dans la |
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! creation des fichiers nc |
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call correctbid(iim, jjp1*nlevnc, unc) |
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endif |
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! Temperature |
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|
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if (guide_T) then |
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status=NF90_GET_VAR(ncidt, varidt, tnc, start, count) |
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call correctbid(iim, jjp1*nlevnc, tnc) |
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endif |
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! Humidite |
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if (guide_Q) then |
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status=NF90_GET_VAR(ncidQ, varidQ, Qnc, start, count) |
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call correctbid(iim, jjp1*nlevnc, Qnc) |
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endif |
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count(2)=jjm |
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! Vent meridien |
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|
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if (guide_v) then |
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status=NF90_GET_VAR(ncidv, varidv, vnc, start, count) |
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call correctbid(iim, jjm*nlevnc, vnc) |
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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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! Interpolation verticale sur les niveaux modele |
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call reanalyse2nat(nlevnc, psi, unc, vnc, tnc, Qnc, pl, u, v, t, Q, & |
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masse, pk) |
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! Passage aux variables du modele (vents covariants, temperature |
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! potentielle et humidite specifique) |
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call nat2gcm(u, v, t, Q, pk, u, v, t, Q) |
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first=.false. |
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end subroutine read_reanalyse |
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end module read_reanalyse_m |
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