| 1 |
module limit_mod |
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|
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IMPLICIT none |
| 4 |
|
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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. Both grids must be |
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! regular. |
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|
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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 dynetat0_m, only: rlonu, rlatv |
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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: NF95_CLOSE, NF95_CREATE, NF95_DEF_DIM, nf95_def_var, & |
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nf95_enddef, nf95_get_var, nf95_gw_var, nf95_inq_dimid, & |
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nf95_inq_varid, nf95_inquire_dimension, NF95_OPEN, NF95_PUT_ATT, & |
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NF95_PUT_VAR |
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use netcdf, only: NF90_CLOBBER, NF90_FLOAT, NF90_GLOBAL, NF90_NOWRITE, & |
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NF90_UNLIMITED |
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use nr_util, only: assert |
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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 |
| 33 |
|
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! Local: |
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|
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LOGICAL:: extrap = .FALSE. |
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! (extrapolation de donn\'ees, comme pour les SST lorsque le fichier |
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! ne contient pas uniquement des points oc\'eaniques) |
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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 d\'epart: |
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INTEGER imdep, jmdep, lmdep |
| 50 |
|
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REAL, ALLOCATABLE:: dlon(:), dlat(:) |
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REAL, ALLOCATABLE:: 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 interpol\'e 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 nid, ndim, ntim |
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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...' |
| 84 |
|
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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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call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
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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) |
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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(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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! Coordonn\'ee 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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call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
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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) |
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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 o\`u 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 *, 'Bad surface fraction: 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 *, 'Bad surface fraction:' |
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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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|
| 240 |
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 |
| 251 |
! Ici on suppose qu'on a 12 mois (de 30 jours). |
| 252 |
call assert(lmdep == 12, 'limit: AMIP file does not contain 12 months') |
| 253 |
|
| 254 |
ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
| 255 |
IF (extrap) ALLOCATE(work(imdep, jmdep)) |
| 256 |
ALLOCATE(dlon(imdep), dlat(jmdep)) |
| 257 |
call NF95_INQ_VARID(ncid, 'tosbcs', varid) |
| 258 |
|
| 259 |
DO l = 1, lmdep |
| 260 |
call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
| 261 |
CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
| 262 |
IF (extrap) & |
| 263 |
CALL extrapol(champ, imdep, jmdep, 999999., .TRUE., .TRUE., 2, work) |
| 264 |
CALL inter_barxy(dlon, dlat(:jmdep -1), champ, rlonu(:iim), rlatv, & |
| 265 |
champtime(:, :, l)) |
| 266 |
ENDDO |
| 267 |
|
| 268 |
call NF95_CLOSE(ncid) |
| 269 |
DEALLOCATE(dlon, dlat, champ) |
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allocate(yder(lmdep)) |
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|
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! interpolation temporelle |
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DO j = 1, jjm + 1 |
| 274 |
DO i = 1, iim |
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yder = SPLINE(tmidmonth, champtime(i, j, :)) |
| 276 |
DO k = 1, 360 |
| 277 |
champan(i, j, k) = SPLINT(tmidmonth, champtime(i, j, :), yder, & |
| 278 |
real(k-1)) |
| 279 |
ENDDO |
| 280 |
ENDDO |
| 281 |
ENDDO |
| 282 |
|
| 283 |
deallocate(champtime, yder) |
| 284 |
champan(iim + 1, :, :) = champan(1, :, :) |
| 285 |
|
| 286 |
!IM14/03/2002 : SST amipbc greater then 271.38 |
| 287 |
PRINT *, 'limit: SST Amipbc >= 271.38 ' |
| 288 |
|
| 289 |
DO k = 1, 360 |
| 290 |
DO j = 1, jjm + 1 |
| 291 |
DO i = 1, iim |
| 292 |
champan(i, j, k) = max(champan(i, j, k), 271.38) |
| 293 |
ENDDO |
| 294 |
|
| 295 |
champan(iim + 1, j, k) = champan(1, j, k) |
| 296 |
ENDDO |
| 297 |
ENDDO |
| 298 |
|
| 299 |
forall (k = 1:360) phy_sst(:, k) = pack(champan(:, :, k), dyn_phy) |
| 300 |
|
| 301 |
PRINT *, "Traitement de l'albedo..." |
| 302 |
call NF95_OPEN('Albedo.nc', NF90_NOWRITE, ncid) |
| 303 |
|
| 304 |
call nf95_inq_varid(ncid, "longitude", varid) |
| 305 |
call nf95_gw_var(ncid, varid, dlon_ini) |
| 306 |
imdep = size(dlon_ini) |
| 307 |
|
| 308 |
call nf95_inq_varid(ncid, "latitude", varid) |
| 309 |
call nf95_gw_var(ncid, varid, dlat_ini) |
| 310 |
jmdep = size(dlat_ini) |
| 311 |
|
| 312 |
call nf95_inq_varid(ncid, "temps", varid) |
| 313 |
call nf95_gw_var(ncid, varid, timeyear) |
| 314 |
lmdep = size(timeyear) |
| 315 |
|
| 316 |
ALLOCATE(champ(imdep, jmdep), champtime(iim, jjm + 1, lmdep)) |
| 317 |
ALLOCATE(dlon(imdep), dlat(jmdep)) |
| 318 |
call NF95_INQ_VARID(ncid, 'ALBEDO', varid) |
| 319 |
|
| 320 |
DO l = 1, lmdep |
| 321 |
PRINT *, "timeyear(", l, ") =", timeyear(l) |
| 322 |
call NF95_GET_VAR(ncid, varid, champ, start=(/1, 1, l/)) |
| 323 |
CALL conf_dat2d(dlon_ini, dlat_ini, dlon, dlat, champ) |
| 324 |
CALL inter_barxy(dlon, dlat(:jmdep-1), champ, rlonu(:iim), rlatv, & |
| 325 |
champtime(:, :, l)) |
| 326 |
ENDDO |
| 327 |
|
| 328 |
call NF95_CLOSE(ncid) |
| 329 |
|
| 330 |
allocate(yder(lmdep)) |
| 331 |
|
| 332 |
! interpolation temporelle |
| 333 |
DO j = 1, jjm + 1 |
| 334 |
DO i = 1, iim |
| 335 |
yder = SPLINE(timeyear, champtime(i, j, :)) |
| 336 |
DO k = 1, 360 |
| 337 |
champan(i, j, k) = SPLINT(timeyear, champtime(i, j, :), yder, & |
| 338 |
real(k-1)) |
| 339 |
ENDDO |
| 340 |
ENDDO |
| 341 |
ENDDO |
| 342 |
|
| 343 |
champan(iim + 1, :, :) = champan(1, :, :) |
| 344 |
forall (k = 1:360) phy_alb(:, k) = pack(champan(:, :, k), dyn_phy) |
| 345 |
|
| 346 |
DO k = 1, 360 |
| 347 |
DO i = 1, klon |
| 348 |
phy_bil(i, k) = 0.0 |
| 349 |
ENDDO |
| 350 |
ENDDO |
| 351 |
|
| 352 |
PRINT *, 'Ecriture du fichier limit.nc...' |
| 353 |
|
| 354 |
call NF95_CREATE("limit.nc", NF90_CLOBBER, nid) |
| 355 |
|
| 356 |
call NF95_PUT_ATT(nid, NF90_GLOBAL, "title", & |
| 357 |
"Fichier conditions aux limites") |
| 358 |
call NF95_DEF_DIM(nid, "points_physiques", klon, ndim) |
| 359 |
call NF95_DEF_DIM(nid, "time", NF90_UNLIMITED, ntim) |
| 360 |
|
| 361 |
call NF95_DEF_VAR(nid, "TEMPS", NF90_FLOAT, ntim, id_tim) |
| 362 |
call NF95_PUT_ATT(nid, id_tim, "title", "Jour dans l annee") |
| 363 |
|
| 364 |
call NF95_DEF_VAR(nid, "FOCE", NF90_FLOAT, dimids=(/ndim, ntim/), & |
| 365 |
varid=id_foce) |
| 366 |
call NF95_PUT_ATT(nid, id_FOCE, "title", "Fraction ocean") |
| 367 |
|
| 368 |
call NF95_DEF_VAR(nid, "FSIC", NF90_FLOAT, dimids=(/ndim, ntim/), & |
| 369 |
varid=id_FSIC) |
| 370 |
call NF95_PUT_ATT(nid, id_FSIC, "title", "Fraction glace de mer") |
| 371 |
|
| 372 |
call NF95_DEF_VAR(nid, "FTER", NF90_FLOAT, dimids=(/ndim, ntim/), & |
| 373 |
varid=id_FTER) |
| 374 |
call NF95_PUT_ATT(nid, id_FTER, "title", "Fraction terre") |
| 375 |
|
| 376 |
call NF95_DEF_VAR(nid, "FLIC", NF90_FLOAT, dimids=(/ndim, ntim/), & |
| 377 |
varid=id_FLIC) |
| 378 |
call NF95_PUT_ATT(nid, id_FLIC, "title", "Fraction land ice") |
| 379 |
|
| 380 |
call NF95_DEF_VAR(nid, "SST", NF90_FLOAT, dimids=(/ndim, ntim/), & |
| 381 |
varid=id_SST) |
| 382 |
call NF95_PUT_ATT(nid, id_SST, "title", & |
| 383 |
"Temperature superficielle de la mer") |
| 384 |
|
| 385 |
call NF95_DEF_VAR(nid, "BILS", NF90_FLOAT, dimids=(/ndim, ntim/), & |
| 386 |
varid=id_BILS) |
| 387 |
call NF95_PUT_ATT(nid, id_BILS, "title", "Reference flux de chaleur au sol") |
| 388 |
|
| 389 |
call NF95_DEF_VAR(nid, "ALB", NF90_FLOAT, dimids=(/ndim, ntim/), & |
| 390 |
varid=id_ALB) |
| 391 |
call NF95_PUT_ATT(nid, id_ALB, "title", "Albedo a la surface") |
| 392 |
|
| 393 |
call NF95_DEF_VAR(nid, "RUG", NF90_FLOAT, dimids=(/ndim, ntim/), & |
| 394 |
varid=id_RUG) |
| 395 |
call NF95_PUT_ATT(nid, id_RUG, "title", "Rugosite") |
| 396 |
|
| 397 |
call NF95_ENDDEF(nid) |
| 398 |
|
| 399 |
DO k = 1, 360 |
| 400 |
call NF95_PUT_VAR(nid, id_tim, REAL(k), (/k/)) |
| 401 |
call NF95_PUT_VAR(nid, id_FOCE, pctsrf_t(:, is_oce, k), start=(/1, k/)) |
| 402 |
call NF95_PUT_VAR(nid, id_FSIC, pctsrf_t(:, is_sic, k), start=(/1, k/)) |
| 403 |
call NF95_PUT_VAR(nid, id_FTER, pctsrf_t(:, is_ter, k), start=(/1, k/)) |
| 404 |
call NF95_PUT_VAR(nid, id_FLIC, pctsrf_t(:, is_lic, k), start=(/1, k/)) |
| 405 |
call NF95_PUT_VAR(nid, id_SST, phy_sst(:, k), start=(/1, k/)) |
| 406 |
call NF95_PUT_VAR(nid, id_BILS, phy_bil(:, k), start=(/1, k/)) |
| 407 |
call NF95_PUT_VAR(nid, id_ALB, phy_alb(:, k), start=(/1, k/)) |
| 408 |
call NF95_PUT_VAR(nid, id_RUG, phy_rug(:, k), start=(/1, k/)) |
| 409 |
ENDDO |
| 410 |
|
| 411 |
call NF95_CLOSE(nid) |
| 412 |
|
| 413 |
END SUBROUTINE limit |
| 414 |
|
| 415 |
end module limit_mod |
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