1 |
module limit_mod |
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|
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IMPLICIT none |
4 |
|
5 |
contains |
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|
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SUBROUTINE limit |
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|
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! Authors: L. Fairhead, Z. X. Li, P. Le Van |
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|
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! This subroutine creates files containing boundary conditions. |
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! It uses files with climatological data. |
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! Both grids must be regular. |
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|
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use comgeom, only: rlonu, rlatv |
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use conf_dat2d_m, only: conf_dat2d |
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use dimens_m, only: iim, jjm |
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use dimphy, only: klon, zmasq |
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use etat0_mod, only: pctsrf |
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use grid_change, only: dyn_phy |
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use indicesol, only: epsfra, nbsrf, is_ter, is_oce, is_lic, is_sic |
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use inter_barxy_m, only: inter_barxy |
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use netcdf95, only: handle_err, nf95_gw_var, NF95_CLOSE, NF95_DEF_DIM, & |
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nf95_enddef, NF95_CREATE, nf95_inq_dimid, nf95_inquire_dimension, & |
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nf95_inq_varid, NF95_OPEN |
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use netcdf, only: NF90_CLOBBER, nf90_def_var, NF90_FLOAT, NF90_GET_VAR, & |
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NF90_GLOBAL, NF90_NOWRITE, NF90_PUT_ATT, NF90_PUT_VAR, & |
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NF90_UNLIMITED |
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use numer_rec_95, only: spline, splint |
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use start_init_orog_m, only: mask |
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use unit_nml_m, only: unit_nml |
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|
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! Variables local to the procedure: |
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|
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LOGICAL:: extrap = .FALSE. |
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! (extrapolation de données, comme pour les SST lorsque le fichier |
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! ne contient pas uniquement des points océaniques) |
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|
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REAL phy_alb(klon, 360) |
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REAL phy_sst(klon, 360) |
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REAL phy_bil(klon, 360) |
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REAL phy_rug(klon, 360) |
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REAL phy_ice(klon) |
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|
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real pctsrf_t(klon, nbsrf, 360) ! composition of the surface |
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|
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! Pour le champ de départ: |
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INTEGER imdep, jmdep, lmdep |
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|
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REAL, ALLOCATABLE:: dlon(:), dlat(:) |
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REAL, pointer:: dlon_ini(:), dlat_ini(:), timeyear(:) |
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REAL, ALLOCATABLE:: champ(:, :) |
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REAL, ALLOCATABLE:: work(:, :) |
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|
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! Pour le champ interpolé 3D : |
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REAL, allocatable:: champtime(:, :, :) |
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REAL champan(iim + 1, jjm + 1, 360) |
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|
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! Pour l'inteprolation verticale : |
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REAL, allocatable:: yder(:) |
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|
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INTEGER ierr |
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|
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INTEGER nid, ndim, ntim |
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INTEGER dims(2), debut(2) |
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INTEGER id_tim |
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INTEGER id_SST, id_BILS, id_RUG, id_ALB |
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INTEGER id_FOCE, id_FSIC, id_FTER, id_FLIC |
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|
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INTEGER i, j, k, l |
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INTEGER ncid, varid, dimid |
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|
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REAL, parameter:: tmidmonth(12) = (/(15. + 30. * i, i = 0, 11)/) |
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|
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namelist /limit_nml/extrap |
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|
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!-------------------- |
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|
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print *, "Call sequence information: limit" |
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|
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print *, "Enter namelist 'limit_nml'." |
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read (unit=*, nml=limit_nml) |
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write(unit_nml, nml=limit_nml) |
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|
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PRINT *, 'Processing rugosity...' |
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|
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call NF95_OPEN('Rugos.nc', NF90_NOWRITE, ncid) |
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|
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! Read coordinate variables: |
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|
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call nf95_inq_varid(ncid, "longitude", varid) |
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call nf95_gw_var(ncid, varid, dlon_ini) |
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imdep = size(dlon_ini) |
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|
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call nf95_inq_varid(ncid, "latitude", varid) |
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call nf95_gw_var(ncid, varid, dlat_ini) |
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jmdep = size(dlat_ini) |
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|
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call nf95_inq_varid(ncid, "temps", varid) |
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call nf95_gw_var(ncid, varid, timeyear) |
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lmdep = size(timeyear) |
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|
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ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
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allocate(dlon(imdep), dlat(jmdep)) |
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call NF95_INQ_VARID(ncid, 'RUGOS', varid) |
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|
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! Read the primary variable day by day and regrid horizontally, |
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! result in "champtime": |
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DO l = 1, lmdep |
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ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
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call handle_err("NF90_GET_VAR", ierr) |
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|
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CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
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CALL inter_barxy(dlon, dlat(:jmdep -1), LOG(champ), rlonu(:iim), & |
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rlatv, champtime(:, :, l)) |
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champtime(:, :, l) = EXP(champtime(:, :, l)) |
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where (nint(mask(:iim, :)) /= 1) champtime(:, :, l) = 0.001 |
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end do |
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|
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call NF95_CLOSE(ncid) |
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|
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DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini) |
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allocate(yder(lmdep)) |
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|
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! Interpolate monthly values to daily values, at each horizontal position: |
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DO j = 1, jjm + 1 |
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DO i = 1, iim |
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yder = SPLINE(timeyear, champtime(i, j, :)) |
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DO k = 1, 360 |
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champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, & |
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real(k-1)) |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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deallocate(timeyear, champtime, yder) |
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champan(iim + 1, :, :) = champan(1, :, :) |
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forall (k = 1:360) phy_rug(:, k) = pack(champan(:, :, k), dyn_phy) |
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|
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! Process sea ice: |
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|
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PRINT *, 'Processing sea ice...' |
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call NF95_OPEN('amipbc_sic_1x1.nc', NF90_NOWRITE, ncid) |
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|
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call nf95_inq_varid(ncid, "longitude", varid) |
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call nf95_gw_var(ncid, varid, dlon_ini) |
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imdep = size(dlon_ini) |
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|
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call nf95_inq_varid(ncid, "latitude", varid) |
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call nf95_gw_var(ncid, varid, dlat_ini) |
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jmdep = size(dlat_ini) |
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|
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call nf95_inq_dimid(ncid, "time", dimid) |
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call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep) |
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print *, 'lmdep = ', lmdep |
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! Coordonnée temporelle fichiers AMIP pas en jours. Ici on suppose |
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! qu'on a 12 mois (de 30 jours). |
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IF (lmdep /= 12) then |
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print *, 'Unknown AMIP file: not 12 months?' |
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STOP 1 |
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end IF |
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|
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ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
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ALLOCATE (dlon(imdep), dlat(jmdep)) |
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call NF95_INQ_VARID(ncid, 'sicbcs', varid) |
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DO l = 1, lmdep |
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ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
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call handle_err("NF90_GET_VAR", ierr) |
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|
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CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
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CALL inter_barxy (dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, & |
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champtime(:, :, l)) |
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ENDDO |
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|
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call NF95_CLOSE(ncid) |
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|
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DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini) |
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PRINT *, 'Interpolation temporelle' |
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allocate(yder(lmdep)) |
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|
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DO j = 1, jjm + 1 |
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DO i = 1, iim |
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yder = SPLINE(tmidmonth, champtime(i, j, :)) |
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DO k = 1, 360 |
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champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, & |
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real(k-1)) |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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deallocate(champtime, yder) |
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|
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! Convert from percentage to normal fraction and keep sea ice |
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! between 0 and 1: |
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champan(:iim, :, :) = max(0., (min(1., (champan(:iim, :, :) / 100.)))) |
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champan(iim + 1, :, :) = champan(1, :, :) |
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|
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DO k = 1, 360 |
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phy_ice = pack(champan(:, :, k), dyn_phy) |
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|
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! (utilisation de la sous-maille fractionnelle tandis que l'ancien |
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! codage utilisait l'indicateur du sol (0, 1, 2, 3)) |
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! PB en attendant de mettre fraction de terre |
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WHERE (phy_ice < EPSFRA) phy_ice = 0. |
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|
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pctsrf_t(:, is_ter, k) = pctsrf(:, is_ter) |
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pctsrf_t(:, is_lic, k) = pctsrf(:, is_lic) |
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pctsrf_t(:, is_sic, k) = max(phy_ice - pctsrf_t(:, is_lic, k), 0.) |
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! Il y a des cas où il y a de la glace dans landiceref et |
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! pas dans AMIP |
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WHERE (1. - zmasq < EPSFRA) |
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pctsrf_t(:, is_sic, k) = 0. |
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pctsrf_t(:, is_oce, k) = 0. |
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elsewhere |
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where (pctsrf_t(:, is_sic, k) >= 1 - zmasq) |
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pctsrf_t(:, is_sic, k) = 1. - zmasq |
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pctsrf_t(:, is_oce, k) = 0. |
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ELSEwhere |
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pctsrf_t(:, is_oce, k) = 1. - zmasq - pctsrf_t(:, is_sic, k) |
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where (pctsrf_t(:, is_oce, k) < EPSFRA) |
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pctsrf_t(:, is_oce, k) = 0. |
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pctsrf_t(:, is_sic, k) = 1 - zmasq |
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end where |
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end where |
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end where |
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|
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DO i = 1, klon |
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if (pctsrf_t(i, is_oce, k) < 0.) then |
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print *, 'Problème sous maille : pctsrf_t(', i, & |
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', is_oce, ', k, ') = ', pctsrf_t(i, is_oce, k) |
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ENDIF |
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IF (abs(pctsrf_t(i, is_ter, k) + pctsrf_t(i, is_lic, k) & |
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+ pctsrf_t(i, is_oce, k) + pctsrf_t(i, is_sic, k) - 1.) & |
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> EPSFRA) THEN |
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print *, 'Problème sous surface :' |
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print *, "pctsrf_t(", i, ", :, ", k, ") = ", & |
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pctsrf_t(i, :, k) |
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print *, "phy_ice(", i, ") = ", phy_ice(i) |
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ENDIF |
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END DO |
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ENDDO |
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|
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PRINT *, 'Traitement de la sst' |
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call NF95_OPEN('amipbc_sst_1x1.nc', NF90_NOWRITE, ncid) |
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|
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call nf95_inq_varid(ncid, "longitude", varid) |
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call nf95_gw_var(ncid, varid, dlon_ini) |
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imdep = size(dlon_ini) |
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|
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call nf95_inq_varid(ncid, "latitude", varid) |
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call nf95_gw_var(ncid, varid, dlat_ini) |
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jmdep = size(dlat_ini) |
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|
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call nf95_inq_dimid(ncid, "time", dimid) |
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call NF95_INQuire_DIMension(ncid, dimid, nclen=lmdep) |
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print *, 'lmdep = ', lmdep |
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!PM28/02/2002 : nouvelle coord temporelle fichiers AMIP pas en jours |
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! Ici on suppose qu'on a 12 mois (de 30 jours). |
259 |
IF (lmdep /= 12) stop 'Unknown AMIP file: not 12 months?' |
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|
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ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
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IF(extrap) THEN |
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ALLOCATE (work(imdep, jmdep)) |
264 |
ENDIF |
265 |
ALLOCATE(dlon(imdep), dlat(jmdep)) |
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call NF95_INQ_VARID(ncid, 'tosbcs', varid) |
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|
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DO l = 1, lmdep |
269 |
ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
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call handle_err("NF90_GET_VAR", ierr) |
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|
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CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
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IF (extrap) THEN |
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CALL extrapol(champ, imdep, jmdep, 999999., .TRUE., .TRUE., 2, work) |
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ENDIF |
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|
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CALL inter_barxy (dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, & |
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champtime(:, :, l)) |
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ENDDO |
280 |
|
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call NF95_CLOSE(ncid) |
282 |
|
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DEALLOCATE(dlon, dlat, champ, dlon_ini, dlat_ini) |
284 |
allocate(yder(lmdep)) |
285 |
|
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! interpolation temporelle |
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DO j = 1, jjm + 1 |
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DO i = 1, iim |
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yder = SPLINE(tmidmonth, champtime(i, j, :)) |
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DO k = 1, 360 |
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champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, & |
292 |
real(k-1)) |
293 |
ENDDO |
294 |
ENDDO |
295 |
ENDDO |
296 |
|
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deallocate(champtime, yder) |
298 |
champan(iim + 1, :, :) = champan(1, :, :) |
299 |
|
300 |
!IM14/03/2002 : SST amipbc greater then 271.38 |
301 |
PRINT *, 'SUB. limit_netcdf.F IM : SST Amipbc >= 271.38 ' |
302 |
DO k = 1, 360 |
303 |
DO j = 1, jjm + 1 |
304 |
DO i = 1, iim |
305 |
champan(i, j, k) = amax1(champan(i, j, k), 271.38) |
306 |
ENDDO |
307 |
champan(iim + 1, j, k) = champan(1, j, k) |
308 |
ENDDO |
309 |
ENDDO |
310 |
forall (k = 1:360) phy_sst(:, k) = pack(champan(:, :, k), dyn_phy) |
311 |
|
312 |
PRINT *, 'Traitement de l albedo' |
313 |
call NF95_OPEN('Albedo.nc', NF90_NOWRITE, ncid) |
314 |
|
315 |
call nf95_inq_varid(ncid, "longitude", varid) |
316 |
call nf95_gw_var(ncid, varid, dlon_ini) |
317 |
imdep = size(dlon_ini) |
318 |
|
319 |
call nf95_inq_varid(ncid, "latitude", varid) |
320 |
call nf95_gw_var(ncid, varid, dlat_ini) |
321 |
jmdep = size(dlat_ini) |
322 |
|
323 |
call nf95_inq_varid(ncid, "temps", varid) |
324 |
call nf95_gw_var(ncid, varid, timeyear) |
325 |
lmdep = size(timeyear) |
326 |
|
327 |
ALLOCATE (champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
328 |
ALLOCATE (dlon(imdep), dlat(jmdep)) |
329 |
call NF95_INQ_VARID(ncid, 'ALBEDO', varid) |
330 |
|
331 |
DO l = 1, lmdep |
332 |
PRINT *, 'Lecture temporelle et int. horizontale ', l, timeyear(l) |
333 |
ierr = NF90_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
334 |
call handle_err("NF90_GET_VAR", ierr) |
335 |
|
336 |
CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
337 |
CALL inter_barxy(dlon, dlat(:jmdep-1), champ, rlonu(:iim), rlatv, & |
338 |
champtime(:, :, l)) |
339 |
ENDDO |
340 |
|
341 |
call NF95_CLOSE(ncid) |
342 |
|
343 |
deallocate(dlon_ini, dlat_ini) |
344 |
allocate(yder(lmdep)) |
345 |
|
346 |
! interpolation temporelle |
347 |
DO j = 1, jjm + 1 |
348 |
DO i = 1, iim |
349 |
yder = SPLINE(timeyear, champtime(i, j, :)) |
350 |
DO k = 1, 360 |
351 |
champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, & |
352 |
real(k-1)) |
353 |
ENDDO |
354 |
ENDDO |
355 |
ENDDO |
356 |
deallocate(timeyear) |
357 |
|
358 |
champan(iim + 1, :, :) = champan(1, :, :) |
359 |
forall (k = 1:360) phy_alb(:, k) = pack(champan(:, :, k), dyn_phy) |
360 |
|
361 |
DO k = 1, 360 |
362 |
DO i = 1, klon |
363 |
phy_bil(i, k) = 0.0 |
364 |
ENDDO |
365 |
ENDDO |
366 |
|
367 |
PRINT *, 'Ecriture du fichier limit' |
368 |
|
369 |
call NF95_CREATE("limit.nc", NF90_CLOBBER, nid) |
370 |
|
371 |
ierr = NF90_PUT_ATT(nid, NF90_GLOBAL, "title", & |
372 |
"Fichier conditions aux limites") |
373 |
call NF95_DEF_DIM (nid, "points_physiques", klon, ndim) |
374 |
call NF95_DEF_DIM (nid, "time", NF90_UNLIMITED, ntim) |
375 |
|
376 |
dims(1) = ndim |
377 |
dims(2) = ntim |
378 |
|
379 |
ierr = NF90_DEF_VAR (nid, "TEMPS", NF90_FLOAT, ntim, id_tim) |
380 |
ierr = NF90_PUT_ATT (nid, id_tim, "title", "Jour dans l annee") |
381 |
ierr = NF90_DEF_VAR (nid, "FOCE", NF90_FLOAT, dims, id_FOCE) |
382 |
ierr = NF90_PUT_ATT (nid, id_FOCE, "title", "Fraction ocean") |
383 |
|
384 |
ierr = NF90_DEF_VAR (nid, "FSIC", NF90_FLOAT, dims, id_FSIC) |
385 |
ierr = NF90_PUT_ATT (nid, id_FSIC, "title", "Fraction glace de mer") |
386 |
|
387 |
ierr = NF90_DEF_VAR (nid, "FTER", NF90_FLOAT, dims, id_FTER) |
388 |
ierr = NF90_PUT_ATT (nid, id_FTER, "title", "Fraction terre") |
389 |
|
390 |
ierr = NF90_DEF_VAR (nid, "FLIC", NF90_FLOAT, dims, id_FLIC) |
391 |
ierr = NF90_PUT_ATT (nid, id_FLIC, "title", "Fraction land ice") |
392 |
|
393 |
ierr = NF90_DEF_VAR (nid, "SST", NF90_FLOAT, dims, id_SST) |
394 |
ierr = NF90_PUT_ATT (nid, id_SST, "title", & |
395 |
"Temperature superficielle de la mer") |
396 |
ierr = NF90_DEF_VAR (nid, "BILS", NF90_FLOAT, dims, id_BILS) |
397 |
ierr = NF90_PUT_ATT (nid, id_BILS, "title", & |
398 |
"Reference flux de chaleur au sol") |
399 |
ierr = NF90_DEF_VAR (nid, "ALB", NF90_FLOAT, dims, id_ALB) |
400 |
ierr = NF90_PUT_ATT (nid, id_ALB, "title", "Albedo a la surface") |
401 |
ierr = NF90_DEF_VAR (nid, "RUG", NF90_FLOAT, dims, id_RUG) |
402 |
ierr = NF90_PUT_ATT (nid, id_RUG, "title", "Rugosite") |
403 |
|
404 |
call NF95_ENDDEF(nid) |
405 |
|
406 |
DO k = 1, 360 |
407 |
debut(1) = 1 |
408 |
debut(2) = k |
409 |
|
410 |
ierr = NF90_PUT_VAR(nid, id_tim, REAL(k), (/k/)) |
411 |
ierr = NF90_PUT_VAR(nid, id_FOCE, pctsrf_t(:, is_oce, k), debut) |
412 |
ierr = NF90_PUT_VAR (nid, id_FSIC, pctsrf_t(:, is_sic, k), debut) |
413 |
ierr = NF90_PUT_VAR (nid, id_FTER, pctsrf_t(:, is_ter, k), debut) |
414 |
ierr = NF90_PUT_VAR (nid, id_FLIC, pctsrf_t(:, is_lic, k), debut) |
415 |
ierr = NF90_PUT_VAR (nid, id_SST, phy_sst(:, k), debut) |
416 |
ierr = NF90_PUT_VAR (nid, id_BILS, phy_bil(:, k), debut) |
417 |
ierr = NF90_PUT_VAR (nid, id_ALB, phy_alb(:, k), debut) |
418 |
ierr = NF90_PUT_VAR (nid, id_RUG, phy_rug(:, k), debut) |
419 |
ENDDO |
420 |
|
421 |
call NF95_CLOSE(nid) |
422 |
|
423 |
END SUBROUTINE limit |
424 |
|
425 |
end module limit_mod |