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guez |
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module etat0_mod |
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use indicesol, only: nbsrf |
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use dimphy, only: klon |
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IMPLICIT NONE |
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REAL pctsrf(klon, nbsrf) |
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private nbsrf, klon |
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contains |
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SUBROUTINE etat0 |
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! From "etat0_netcdf.F", version 1.3 2005/05/25 13:10:09 |
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! This subroutine creates "masque". |
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USE ioipsl, only: flinget, flinclo, flinopen_nozoom, flininfo, histclo |
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USE start_init_orog_m, only: start_init_orog, masque, phis |
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use start_init_phys_m, only: qsol_2d |
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use startdyn, only: start_inter_3d, start_init_dyn |
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use dimens_m, only: iim, jjm, llm, nqmx |
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use paramet_m, only: ip1jm, ip1jmp1 |
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use comconst, only: dtvr, daysec, cpp, kappa, pi |
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use comdissnew, only: lstardis, nitergdiv, nitergrot, niterh, & |
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tetagdiv, tetagrot, tetatemp |
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use indicesol, only: is_oce, is_sic, is_ter, is_lic, epsfra |
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use comvert, only: ap, bp, preff, pa |
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use dimphy, only: zmasq |
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use conf_gcm_m, only: day_step, iphysiq, dayref, anneeref |
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use comgeom, only: rlatu, rlonv, rlonu, rlatv, aire_2d, apoln, apols, & |
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cu_2d, cv_2d |
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use serre, only: alphax |
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use dimsoil, only: nsoilmx |
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use temps, only: itau_dyn, itau_phy, annee_ref, day_ref, dt |
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use clesphys, only: ok_orodr, nbapp_rad |
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use grid_atob, only: grille_m |
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use grid_change, only: init_dyn_phy, dyn_phy |
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use q_sat_m, only: q_sat |
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use exner_hyb_m, only: exner_hyb |
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use regr_coefoz_m, only: regr_coefoz |
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use advtrac_m, only: iniadvtrac |
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use netcdf95, only: nf95_open, nf95_close, nf95_inq_varid, nf90_nowrite, & |
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nf90_get_var, handle_err |
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use pressure_m, only: pls, p3d |
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! Variables local to the procedure: |
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REAL latfi(klon), lonfi(klon) |
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! (latitude and longitude of a point of the scalar grid identified |
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! by a simple index, in °) |
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REAL, dimension(iim + 1, jjm + 1, llm):: uvent, t3d, tpot |
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REAL vvent(iim + 1, jjm, llm) |
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REAL q3d(iim + 1, jjm + 1, llm, nqmx) |
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! (mass fractions of trace species |
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! "q3d(i, j, l)" is at longitude "rlonv(i)", latitude "rlatu(j)" |
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! and pressure level "pls(i, j, l)".) |
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real qsat(iim + 1, jjm + 1, llm) ! mass fraction of saturating water vapor |
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REAL tsol(klon), qsol(klon), sn(klon) |
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REAL tsolsrf(klon, nbsrf), qsolsrf(klon, nbsrf), snsrf(klon, nbsrf) |
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REAL albe(klon, nbsrf), evap(klon, nbsrf) |
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REAL alblw(klon, nbsrf) |
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REAL tsoil(klon, nsoilmx, nbsrf) |
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REAL radsol(klon), rain_fall(klon), snow_fall(klon) |
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REAL solsw(klon), sollw(klon), fder(klon) |
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!IM "slab" ocean |
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REAL tslab(klon) |
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real seaice(klon) ! kg m-2 |
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REAL frugs(klon, nbsrf), agesno(klon, nbsrf) |
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REAL rugmer(klon) |
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real, dimension(iim + 1, jjm + 1):: relief, zstd_2d, zsig_2d, zgam_2d |
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real, dimension(iim + 1, jjm + 1):: zthe_2d, zpic_2d, zval_2d |
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real, dimension(iim + 1, jjm + 1):: tsol_2d, psol |
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REAL zmea(klon), zstd(klon) |
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REAL zsig(klon), zgam(klon) |
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REAL zthe(klon) |
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REAL zpic(klon), zval(klon) |
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REAL rugsrel(klon) |
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REAL t_ancien(klon, llm), q_ancien(klon, llm) ! |
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REAL run_off_lic_0(klon) |
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real clwcon(klon, llm), rnebcon(klon, llm), ratqs(klon, llm) |
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! déclarations pour lecture glace de mer |
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INTEGER iml_lic, jml_lic, llm_tmp, ttm_tmp |
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INTEGER itaul(1), fid |
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REAL lev(1), date |
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REAL, ALLOCATABLE:: lon_lic(:, :), lat_lic(:, :) |
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REAL, ALLOCATABLE:: dlon_lic(:), dlat_lic(:) |
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REAL, ALLOCATABLE:: fraclic(:, :) ! fraction land ice |
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REAL flic_tmp(iim + 1, jjm + 1) !fraction land ice temporary |
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INTEGER l, ji |
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REAL pk(iim + 1, jjm + 1, llm) ! fonction d'Exner aux milieux des couches |
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real pks(iim + 1, jjm + 1) |
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REAL masse(iim + 1, jjm + 1, llm) |
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REAL phi(ip1jmp1, llm) |
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REAL pbaru(ip1jmp1, llm), pbarv(ip1jm, llm) |
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REAL w(ip1jmp1, llm) |
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REAL phystep |
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INTEGER radpas |
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integer ncid, varid, ncerr, month |
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!--------------------------------- |
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print *, "Call sequence information: etat0" |
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! Construct a grid: |
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dtvr = daysec / real(day_step) |
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print *, 'dtvr = ', dtvr |
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pa = 5e4 |
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CALL iniconst |
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CALL inigeom |
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CALL inifilr |
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latfi(1) = 90. |
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latfi(2:klon-1) = pack(spread(rlatu(2:jjm), 1, iim), .true.) * 180. / pi |
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! (with conversion to degrees) |
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latfi(klon) = - 90. |
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lonfi(1) = 0. |
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lonfi(2:klon-1) = pack(spread(rlonv(:iim), 2, jjm - 1), .true.) * 180. / pi |
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! (with conversion to degrees) |
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lonfi(klon) = 0. |
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call start_init_orog(relief, zstd_2d, zsig_2d, zgam_2d, zthe_2d, zpic_2d, & |
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zval_2d) ! also compute "masque" and "phis" |
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call init_dyn_phy ! define the mask "dyn_phy" for distinct grid points |
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zmasq = pack(masque, dyn_phy) |
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PRINT *, 'Masque construit' |
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CALL start_init_dyn(tsol_2d, psol) ! also compute "qsol_2d" |
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! Compute pressure on intermediate levels: |
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forall(l = 1: llm + 1) p3d(:, :, l) = ap(l) + bp(l) * psol(:, :) |
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CALL exner_hyb(psol, p3d, pks, pk) |
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IF (MINVAL(pk) == MAXVAL(pk)) stop '"pk" should not be constant' |
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pls(:, :, :) = preff * (pk(:, :, :) / cpp)**(1. / kappa) |
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PRINT *, "minval(pls(:, :, :)) = ", minval(pls(:, :, :)) |
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print *, "maxval(pls(:, :, :)) = ", maxval(pls(:, :, :)) |
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uvent(:, :, :) = start_inter_3d('U', rlonv, rlatv, pls) |
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forall (l = 1: llm) uvent(:iim, :, l) = uvent(:iim, :, l) * cu_2d(:iim, :) |
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uvent(iim+1, :, :) = uvent(1, :, :) |
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vvent(:, :, :) = start_inter_3d('V', rlonu, rlatu(:jjm), pls(:, :jjm, :)) |
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forall (l = 1: llm) vvent(:iim, :, l) = vvent(:iim, :, l) * cv_2d(:iim, :) |
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vvent(iim + 1, :, :) = vvent(1, :, :) |
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t3d(:, :, :) = start_inter_3d('TEMP', rlonu, rlatv, pls) |
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PRINT *, 'minval(t3d(:, :, :)) = ', minval(t3d(:, :, :)) |
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print *, "maxval(t3d(:, :, :)) = ", maxval(t3d(:, :, :)) |
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tpot(:iim, :, :) = t3d(:iim, :, :) * cpp / pk(:iim, :, :) |
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tpot(iim + 1, :, :) = tpot(1, :, :) |
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DO l=1, llm |
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tpot(:, 1, l) = SUM(aire_2d(:, 1) * tpot(:, 1, l)) / apoln |
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tpot(:, jjm + 1, l) = SUM(aire_2d(:, jjm + 1) * tpot(:, jjm + 1, l)) & |
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/ apols |
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ENDDO |
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! Calcul de l'humidité à saturation : |
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qsat(:, :, :) = q_sat(t3d, pls) |
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PRINT *, "minval(qsat(:, :, :)) = ", minval(qsat(:, :, :)) |
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print *, "maxval(qsat(:, :, :)) = ", maxval(qsat(:, :, :)) |
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IF (MINVAL(qsat) == MAXVAL(qsat)) stop '"qsat" should not be constant' |
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! Water vapor: |
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q3d(:, :, :, 1) = 0.01 * start_inter_3d('R', rlonu, rlatv, pls) * qsat |
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WHERE (q3d(:, :, :, 1) < 0.) q3d(:, :, :, 1) = 1E-10 |
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DO l = 1, llm |
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q3d(:, 1, l, 1) = SUM(aire_2d(:, 1) * q3d(:, 1, l, 1)) / apoln |
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q3d(:, jjm + 1, l, 1) & |
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= SUM(aire_2d(:, jjm + 1) * q3d(:, jjm + 1, l, 1)) / apols |
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ENDDO |
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q3d(:, :, :, 2:4) = 0. ! liquid water, radon and lead |
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guez |
5 |
if (nqmx >= 5) then |
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! Ozone: |
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guez |
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guez |
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! Compute ozone parameters on the LMDZ grid: |
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call regr_coefoz |
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guez |
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guez |
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! Find the month containing the day number "dayref": |
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month = (dayref - 1) / 30 + 1 |
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print *, "month = ", month |
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guez |
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guez |
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call nf95_open("coefoz_LMDZ.nc", nf90_nowrite, ncid) |
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guez |
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guez |
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! Get data at the right month from the input file: |
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call nf95_inq_varid(ncid, "r_Mob", varid) |
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ncerr = nf90_get_var(ncid, varid, q3d(:, :, :, 5), & |
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start=(/1, 1, 1, month/)) |
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call handle_err("nf90_get_var r_Mob", ncerr) |
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guez |
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guez |
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call nf95_close(ncid) |
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! Latitudes are in increasing order in the input file while |
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! "rlatu" is in decreasing order so we need to invert order. Also, we |
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! compute mass fraction from mole fraction: |
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q3d(:, :, :, 5) = q3d(:, jjm+1:1:-1, :, 5) * 48. / 29. |
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end if |
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guez |
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tsol(:) = pack(tsol_2d, dyn_phy) |
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qsol(:) = pack(qsol_2d, dyn_phy) |
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sn(:) = 0. ! snow |
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radsol(:) = 0. |
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tslab(:) = 0. ! IM "slab" ocean |
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seaice(:) = 0. |
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rugmer(:) = 0.001 |
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zmea(:) = pack(relief, dyn_phy) |
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zstd(:) = pack(zstd_2d, dyn_phy) |
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zsig(:) = pack(zsig_2d, dyn_phy) |
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zgam(:) = pack(zgam_2d, dyn_phy) |
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zthe(:) = pack(zthe_2d, dyn_phy) |
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zpic(:) = pack(zpic_2d, dyn_phy) |
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zval(:) = pack(zval_2d, dyn_phy) |
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rugsrel(:) = 0. |
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IF (ok_orodr) rugsrel(:) = MAX(1.e-05, zstd(:) * zsig(:) / 2) |
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! On initialise les sous-surfaces: |
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! Lecture du fichier glace de terre pour fixer la fraction de terre |
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! et de glace de terre: |
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CALL flininfo("landiceref.nc", iml_lic, jml_lic, llm_tmp, & |
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ttm_tmp, fid) |
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ALLOCATE(lat_lic(iml_lic, jml_lic)) |
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ALLOCATE(lon_lic(iml_lic, jml_lic)) |
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ALLOCATE(dlon_lic(iml_lic)) |
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ALLOCATE(dlat_lic(jml_lic)) |
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ALLOCATE(fraclic(iml_lic, jml_lic)) |
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CALL flinopen_nozoom("landiceref.nc", iml_lic, jml_lic, & |
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llm_tmp, lon_lic, lat_lic, lev, ttm_tmp, itaul, date, dt, & |
| 243 |
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fid) |
| 244 |
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CALL flinget(fid, 'landice', iml_lic, jml_lic, llm_tmp, ttm_tmp & |
| 245 |
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, 1, 1, fraclic) |
| 246 |
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CALL flinclo(fid) |
| 247 |
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| 248 |
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! Interpolation sur la grille T du modèle : |
| 249 |
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PRINT *, 'Dimensions de "landice"' |
| 250 |
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print *, "iml_lic = ", iml_lic |
| 251 |
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print *, "jml_lic = ", jml_lic |
| 252 |
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| 253 |
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! Si les coordonnées sont en degrés, on les transforme : |
| 254 |
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IF (MAXVAL( lon_lic(:, :) ) > pi) THEN |
| 255 |
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lon_lic(:, :) = lon_lic(:, :) * pi / 180. |
| 256 |
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ENDIF |
| 257 |
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IF (maxval( lat_lic(:, :) ) > pi) THEN |
| 258 |
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lat_lic(:, :) = lat_lic(:, :) * pi/ 180. |
| 259 |
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ENDIF |
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dlon_lic(:) = lon_lic(:, 1) |
| 262 |
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dlat_lic(:) = lat_lic(1, :) |
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| 264 |
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flic_tmp(:iim, :) = grille_m(dlon_lic, dlat_lic, fraclic, rlonv(:iim), & |
| 265 |
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rlatu) |
| 266 |
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flic_tmp(iim + 1, :) = flic_tmp(1, :) |
| 267 |
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| 268 |
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! Passage sur la grille physique |
| 269 |
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pctsrf(:, :)=0. |
| 270 |
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pctsrf(:, is_lic) = pack(flic_tmp, dyn_phy) |
| 271 |
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! Adéquation avec le maque terre/mer |
| 272 |
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WHERE (pctsrf(:, is_lic) < EPSFRA ) pctsrf(:, is_lic) = 0. |
| 273 |
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WHERE (zmasq(:) < EPSFRA) pctsrf(:, is_lic) = 0. |
| 274 |
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pctsrf(:, is_ter) = zmasq(:) |
| 275 |
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where (zmasq(:) > EPSFRA) |
| 276 |
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where (pctsrf(:, is_lic) >= zmasq(:)) |
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pctsrf(:, is_lic) = zmasq(:) |
| 278 |
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pctsrf(:, is_ter) = 0. |
| 279 |
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elsewhere |
| 280 |
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pctsrf(:, is_ter) = zmasq(:) - pctsrf(:, is_lic) |
| 281 |
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where (pctsrf(:, is_ter) < EPSFRA) |
| 282 |
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pctsrf(:, is_ter) = 0. |
| 283 |
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pctsrf(:, is_lic) = zmasq(:) |
| 284 |
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end where |
| 285 |
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end where |
| 286 |
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end where |
| 287 |
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| 288 |
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! Sous-surface océan et glace de mer (pour démarrer on met glace |
| 289 |
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! de mer à 0) : |
| 290 |
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pctsrf(:, is_oce) = 1. - zmasq(:) |
| 291 |
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WHERE (pctsrf(:, is_oce) < EPSFRA) pctsrf(:, is_oce) = 0. |
| 292 |
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| 293 |
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! Vérification que somme des sous-surfaces vaut 1: |
| 294 |
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ji = count(abs(sum(pctsrf(:, :), dim = 2) - 1. ) > EPSFRA) |
| 295 |
|
|
IF (ji /= 0) PRINT *, 'Problème répartition sous maille pour', ji, 'points' |
| 296 |
|
|
|
| 297 |
|
|
! Calcul intermédiaire: |
| 298 |
|
|
CALL massdair(p3d, masse) |
| 299 |
|
|
|
| 300 |
|
|
print *, 'ALPHAX = ', alphax |
| 301 |
|
|
|
| 302 |
|
|
forall (l = 1:llm) |
| 303 |
|
|
masse(:, 1, l) = SUM(aire_2d(:iim, 1) * masse(:iim, 1, l)) / apoln |
| 304 |
|
|
masse(:, jjm + 1, l) = & |
| 305 |
|
|
SUM(aire_2d(:iim, jjm + 1) * masse(:iim, jjm + 1, l)) / apols |
| 306 |
|
|
END forall |
| 307 |
|
|
|
| 308 |
|
|
! Initialisation pour traceurs: |
| 309 |
guez |
5 |
call iniadvtrac |
| 310 |
guez |
3 |
! Ecriture: |
| 311 |
|
|
CALL inidissip(lstardis, nitergdiv, nitergrot, niterh, tetagdiv, & |
| 312 |
|
|
tetagrot, tetatemp) |
| 313 |
|
|
itau_dyn = 0 |
| 314 |
|
|
itau_phy = 0 |
| 315 |
|
|
day_ref = dayref |
| 316 |
|
|
annee_ref = anneeref |
| 317 |
|
|
|
| 318 |
|
|
CALL geopot(ip1jmp1, tpot, pk , pks, phis , phi) |
| 319 |
|
|
CALL caldyn0(0, uvent, vvent, tpot, psol, masse, pk, phis, phi, w, & |
| 320 |
|
|
pbaru, pbarv, 0) |
| 321 |
guez |
5 |
CALL dynredem0("start.nc", dayref, phis) |
| 322 |
|
|
CALL dynredem1("start.nc", 0., vvent, uvent, tpot, q3d, masse, psol) |
| 323 |
guez |
3 |
|
| 324 |
|
|
! Ecriture état initial physique: |
| 325 |
|
|
print *, 'dtvr = ', dtvr |
| 326 |
|
|
print *, "iphysiq = ", iphysiq |
| 327 |
|
|
print *, "nbapp_rad = ", nbapp_rad |
| 328 |
|
|
phystep = dtvr * REAL(iphysiq) |
| 329 |
|
|
radpas = NINT (86400./phystep/ nbapp_rad) |
| 330 |
|
|
print *, 'phystep = ', phystep |
| 331 |
|
|
print *, "radpas = ", radpas |
| 332 |
|
|
|
| 333 |
|
|
! Initialisations : |
| 334 |
|
|
tsolsrf(:, is_ter) = tsol |
| 335 |
|
|
tsolsrf(:, is_lic) = tsol |
| 336 |
|
|
tsolsrf(:, is_oce) = tsol |
| 337 |
|
|
tsolsrf(:, is_sic) = tsol |
| 338 |
|
|
snsrf(:, is_ter) = sn |
| 339 |
|
|
snsrf(:, is_lic) = sn |
| 340 |
|
|
snsrf(:, is_oce) = sn |
| 341 |
|
|
snsrf(:, is_sic) = sn |
| 342 |
|
|
albe(:, is_ter) = 0.08 |
| 343 |
|
|
albe(:, is_lic) = 0.6 |
| 344 |
|
|
albe(:, is_oce) = 0.5 |
| 345 |
|
|
albe(:, is_sic) = 0.6 |
| 346 |
|
|
alblw = albe |
| 347 |
|
|
evap(:, :) = 0. |
| 348 |
|
|
qsolsrf(:, is_ter) = 150. |
| 349 |
|
|
qsolsrf(:, is_lic) = 150. |
| 350 |
|
|
qsolsrf(:, is_oce) = 150. |
| 351 |
|
|
qsolsrf(:, is_sic) = 150. |
| 352 |
|
|
tsoil = spread(spread(tsol, 2, nsoilmx), 3, nbsrf) |
| 353 |
|
|
rain_fall = 0. |
| 354 |
|
|
snow_fall = 0. |
| 355 |
|
|
solsw = 165. |
| 356 |
|
|
sollw = -53. |
| 357 |
|
|
t_ancien = 273.15 |
| 358 |
|
|
q_ancien = 0. |
| 359 |
|
|
agesno = 0. |
| 360 |
|
|
!IM "slab" ocean |
| 361 |
|
|
tslab(:) = tsolsrf(:, is_oce) |
| 362 |
|
|
seaice = 0. |
| 363 |
|
|
|
| 364 |
|
|
frugs(:, is_oce) = rugmer(:) |
| 365 |
|
|
frugs(:, is_ter) = MAX(1.e-05, zstd(:) * zsig(:) / 2) |
| 366 |
|
|
frugs(:, is_lic) = MAX(1.e-05, zstd(:) * zsig(:) / 2) |
| 367 |
|
|
frugs(:, is_sic) = 0.001 |
| 368 |
|
|
fder = 0. |
| 369 |
|
|
clwcon = 0. |
| 370 |
|
|
rnebcon = 0. |
| 371 |
|
|
ratqs = 0. |
| 372 |
|
|
run_off_lic_0 = 0. |
| 373 |
|
|
|
| 374 |
|
|
call phyredem("startphy.nc", phystep, radpas, latfi, lonfi, pctsrf, & |
| 375 |
|
|
tsolsrf, tsoil, tslab, seaice, qsolsrf, qsol, snsrf, albe, alblw, & |
| 376 |
|
|
evap, rain_fall, snow_fall, solsw, sollw, fder, radsol, frugs, & |
| 377 |
|
|
agesno, zmea, zstd, zsig, zgam, zthe, zpic, zval, rugsrel, & |
| 378 |
|
|
t_ancien, q_ancien, rnebcon, ratqs, clwcon, run_off_lic_0) |
| 379 |
|
|
CALL histclo |
| 380 |
|
|
|
| 381 |
|
|
END SUBROUTINE etat0 |
| 382 |
|
|
|
| 383 |
|
|
end module etat0_mod |
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