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guez |
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module interfoce_lim_m |
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implicit none |
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contains |
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SUBROUTINE interfoce_lim(itime, dtime, jour, & |
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klon, nisurf, knon, knindex, & |
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debut, & |
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lmt_sst, pctsrf_new) |
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! Cette routine sert d'interface entre le modele atmospherique et |
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! un fichier de conditions aux limites |
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! L. Fairhead 02/2000 |
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use abort_gcm_m, only: abort_gcm |
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use indicesol |
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guez |
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use netcdf |
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guez |
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integer, intent(IN) :: itime ! numero du pas de temps courant |
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real , intent(IN) :: dtime ! pas de temps de la physique (en s) |
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integer, intent(IN) :: jour ! jour a lire dans l'annee |
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integer, intent(IN) :: nisurf ! index de la surface a traiter (1 = sol continental) |
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integer, intent(IN) :: knon ! nombre de points dans le domaine a traiter |
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integer, intent(IN) :: klon ! taille de la grille |
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integer, dimension(klon), intent(in) :: knindex ! index des points de la surface a traiter |
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logical, intent(IN) :: debut ! logical: 1er appel a la physique (initialisation) |
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! Parametres de sortie |
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! output: |
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! lmt_sst SST lues dans le fichier de CL |
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! pctsrf_new sous-maille fractionnelle |
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real, intent(out), dimension(klon) :: lmt_sst |
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real, intent(out), dimension(klon, nbsrf) :: pctsrf_new |
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! Variables locales |
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integer :: ii |
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INTEGER, save :: lmt_pas ! frequence de lecture des conditions limites |
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! (en pas de physique) |
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logical, save :: deja_lu ! pour indiquer que le jour a lire a deja |
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! lu pour une surface precedente |
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integer, save :: jour_lu |
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integer :: ierr |
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character (len = 20) :: modname = 'interfoce_lim' |
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character (len = 80) :: abort_message |
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logical, save :: newlmt = .TRUE. |
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logical, save :: check = .FALSE. |
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! Champs lus dans le fichier de CL |
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real, allocatable , save, dimension(:) :: sst_lu, rug_lu, nat_lu |
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real, allocatable , save, dimension(:, :) :: pct_tmp |
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! quelques variables pour netcdf |
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integer :: nid, nvarid |
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integer, dimension(2) :: start, epais |
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! -------------------------------------------------- |
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if (debut .and. .not. allocated(sst_lu)) then |
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lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
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jour_lu = jour - 1 |
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allocate(sst_lu(klon)) |
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allocate(nat_lu(klon)) |
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allocate(pct_tmp(klon, nbsrf)) |
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endif |
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if ((jour - jour_lu) /= 0) deja_lu = .false. |
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if (check) write(*, *)modname, ' :: jour, jour_lu, deja_lu', jour, jour_lu, & |
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deja_lu |
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if (check) write(*, *)modname, ' :: itime, lmt_pas ', itime, lmt_pas, dtime |
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! Tester d'abord si c'est le moment de lire le fichier |
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if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu) then |
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! Ouverture du fichier |
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guez |
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ierr = NF90_OPEN ('limit.nc', NF90_NOWRITE, nid) |
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if (ierr.NE.NF90_NOERR) then |
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guez |
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abort_message & |
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= 'Pb d''ouverture du fichier de conditions aux limites' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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! La tranche de donnees a lire: |
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start(1) = 1 |
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start(2) = jour |
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epais(1) = klon |
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epais(2) = 1 |
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if (newlmt) then |
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! Fraction "ocean" |
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guez |
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ierr = NF90_INQ_VARID(nid, 'FOCE', nvarid) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Le champ <FOCE> est absent' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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guez |
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ierr = NF90_GET_VAR(nid, nvarid, pct_tmp(:, is_oce), start, epais) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Lecture echouee pour <FOCE>' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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! Fraction "glace de mer" |
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guez |
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ierr = NF90_INQ_VARID(nid, 'FSIC', nvarid) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Le champ <FSIC> est absent' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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guez |
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ierr = NF90_GET_VAR(nid, nvarid, pct_tmp(:, is_sic), start, epais) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Lecture echouee pour <FSIC>' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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! Fraction "terre" |
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guez |
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ierr = NF90_INQ_VARID(nid, 'FTER', nvarid) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Le champ <FTER> est absent' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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guez |
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ierr = NF90_GET_VAR(nid, nvarid, pct_tmp(:, is_ter), start, epais) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Lecture echouee pour <FTER>' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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! Fraction "glacier terre" |
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guez |
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ierr = NF90_INQ_VARID(nid, 'FLIC', nvarid) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Le champ <FLIC> est absent' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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guez |
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ierr = NF90_GET_VAR(nid, nvarid, pct_tmp(:, is_lic), start, epais) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Lecture echouee pour <FLIC>' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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else ! on en est toujours a rnatur |
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guez |
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ierr = NF90_INQ_VARID(nid, 'NAT', nvarid) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Le champ <NAT> est absent' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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guez |
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ierr = NF90_GET_VAR(nid, nvarid, nat_lu, start, epais) |
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if (ierr /= NF90_NOERR) then |
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guez |
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abort_message = 'Lecture echouee pour <NAT>' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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! Remplissage des fractions de surface |
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! nat = 0, 1, 2, 3 pour ocean, terre, glacier, seaice |
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pct_tmp = 0.0 |
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do ii = 1, klon |
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pct_tmp(ii, nint(nat_lu(ii)) + 1) = 1. |
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enddo |
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! On se retrouve avec ocean en 1 et terre en 2 alors qu'on veut le contraire |
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pctsrf_new = pct_tmp |
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pctsrf_new (:, 2)= pct_tmp (:, 1) |
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pctsrf_new (:, 1)= pct_tmp (:, 2) |
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pct_tmp = pctsrf_new |
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endif ! fin test sur newlmt |
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! Lecture SST |
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guez |
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ierr = NF90_INQ_VARID(nid, 'SST', nvarid) |
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if (ierr /= NF90_NOERR) then |
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abort_message = 'Le champ <SST> est absent' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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guez |
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ierr = NF90_GET_VAR(nid, nvarid, sst_lu, start, epais) |
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if (ierr /= NF90_NOERR) then |
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abort_message = 'Lecture echouee pour <SST>' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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! Fin de lecture |
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guez |
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ierr = NF90_CLOSE(nid) |
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guez |
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deja_lu = .true. |
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jour_lu = jour |
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endif |
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! Recopie des variables dans les champs de sortie |
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lmt_sst = 999999999. |
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do ii = 1, knon |
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lmt_sst(ii) = sst_lu(knindex(ii)) |
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enddo |
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pctsrf_new(:, is_oce) = pct_tmp(:, is_oce) |
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pctsrf_new(:, is_sic) = pct_tmp(:, is_sic) |
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END SUBROUTINE interfoce_lim |
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end module interfoce_lim_m |
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