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MODULE guide_m |
MODULE guide_m |
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! From dyn3d/guide.F, version 1.3 2005/05/25 13:10:09 |
! From dyn3d/guide.F, version 1.3, 2005/05/25 13:10:09 |
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! and dyn3d/guide.h, version 1.1.1.1 2004/05/19 12:53:06 |
! and dyn3d/guide.h, version 1.1.1.1, 2004/05/19 12:53:06 |
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IMPLICIT NONE |
IMPLICIT NONE |
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REAL tau_min_u, tau_max_u |
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REAL tau_min_v, tau_max_v |
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REAL tau_min_t, tau_max_t |
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REAL tau_min_q, tau_max_q |
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REAL tau_min_p, tau_max_p |
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REAL aire_min, aire_max |
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LOGICAL guide_u, guide_v, guide_t, guide_q, guide_p |
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LOGICAL ncep, ini_anal |
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INTEGER online |
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CONTAINS |
CONTAINS |
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SUBROUTINE guide(itau, ucov, vcov, teta, q, masse, ps) |
SUBROUTINE guide(itau, ucov, vcov, teta, q, ps) |
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! Author: F.Hourdin |
! Author: F. Hourdin |
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USE comconst, ONLY : cpp, daysec, dtvr, kappa |
USE comconst, ONLY: cpp, kappa |
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USE comvert, ONLY : ap, bp, preff, presnivs |
USE conf_gcm_m, ONLY: day_step |
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USE conf_gcm_m, ONLY : day_step, iperiod |
use conf_guide_m, only: guide_u, guide_v, guide_t, guide_q, ini_anal, & |
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USE comgeom, ONLY : aire, rlatu, rlonv |
tau_min_u, tau_max_u, tau_min_v, tau_max_v, tau_min_t, tau_max_t, & |
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USE dimens_m, ONLY : jjm, llm |
tau_min_q, tau_max_q, online, factt |
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USE exner_hyb_m, ONLY : exner_hyb |
USE dimens_m, ONLY: iim, jjm, llm |
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USE inigrads_m, ONLY : inigrads |
USE disvert_m, ONLY: ap, bp, preff |
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use netcdf, only: nf90_nowrite, nf90_open, nf90_close |
use dynetat0_m, only: grossismx, grossismy, rlatu, rlatv |
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use nr_util, only: pi |
USE exner_hyb_m, ONLY: exner_hyb |
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USE paramet_m, ONLY : iip1, ip1jm, ip1jmp1, jjp1, llmp1 |
use init_tau2alpha_m, only: init_tau2alpha |
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USE q_sat_m, ONLY : q_sat |
USE paramet_m, ONLY: iip1, jjp1 |
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USE serre, ONLY : clat, clon |
USE q_sat_m, ONLY: q_sat |
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use read_reanalyse_m, only: read_reanalyse |
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use tau2alpha_m, only: tau2alpha |
use tau2alpha_m, only: tau2alpha |
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use writefield_m, only: writefield |
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INCLUDE 'netcdf.inc' |
INTEGER, INTENT(IN):: itau |
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REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
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REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
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! variables dynamiques |
REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL vcov(ip1jm, llm), ucov(ip1jmp1, llm) ! vents covariants |
! température potentielle |
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REAL, intent(inout):: teta(ip1jmp1, llm) ! temperature potentielle |
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REAL q(ip1jmp1, llm) ! temperature potentielle |
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REAL ps(ip1jmp1) ! pression au sol |
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REAL masse(ip1jmp1, llm) ! masse d'air |
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! common passe pour des sorties |
REAL, intent(inout):: q(:, :, :) ! (iim + 1, jjm + 1, llm) |
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REAL dxdys(iip1, jjp1), dxdyu(iip1, jjp1), dxdyv(iip1, jjm) |
REAL, intent(in):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol |
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COMMON /comdxdy/dxdys, dxdyu, dxdyv |
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! variables dynamiques pour les reanalyses. |
! Local: |
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REAL ucovrea1(ip1jmp1, llm), vcovrea1(ip1jm, llm) !vts cov reas |
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REAL tetarea1(ip1jmp1, llm) ! temp pot reales |
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REAL qrea1(ip1jmp1, llm) ! temp pot reales |
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REAL psrea1(ip1jmp1) ! ps |
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REAL ucovrea2(ip1jmp1, llm), vcovrea2(ip1jm, llm) !vts cov reas |
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REAL tetarea2(ip1jmp1, llm) ! temp pot reales |
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REAL qrea2(ip1jmp1, llm) ! temp pot reales |
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REAL masserea2(ip1jmp1, llm) ! masse |
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REAL psrea2(ip1jmp1) ! ps |
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REAL alpha_q(ip1jmp1) |
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REAL alpha_t(ip1jmp1), alpha_p(ip1jmp1) |
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REAL alpha_u(ip1jmp1), alpha_v(ip1jm) |
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REAL dday_step, toto, reste, itau_test |
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INTEGER step_rea, count_no_rea |
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INTEGER ilon, ilat |
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REAL factt, ztau(ip1jmp1) |
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INTEGER, INTENT (IN) :: itau |
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INTEGER ij, l |
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INTEGER ncidpl, varidpl, nlev, status |
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INTEGER rcod, rid |
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REAL ditau, tau, a |
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SAVE nlev |
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! TEST SUR QSAT |
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REAL p(ip1jmp1, llmp1), pk(ip1jmp1, llm), pks(ip1jmp1) |
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REAL pkf(ip1jmp1, llm) |
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REAL pres(ip1jmp1, llm) |
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REAL qsat(ip1jmp1, llm) |
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REAL unskap |
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REAL tnat(ip1jmp1, llm) |
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LOGICAL:: first = .TRUE. |
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SAVE ucovrea1, vcovrea1, tetarea1, psrea1, qrea1 |
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SAVE ucovrea2, vcovrea2, tetarea2, masserea2, psrea2, qrea2 |
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SAVE alpha_t, alpha_q, alpha_u, alpha_v, alpha_p, itau_test |
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SAVE step_rea, count_no_rea |
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CHARACTER (10) file |
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INTEGER igrads |
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REAL dtgrads |
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SAVE igrads, dtgrads |
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DATA igrads, dtgrads/2, 100./ |
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!----------------------------------------------------------------------- |
! Variables dynamiques pour les réanalyses |
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PRINT *, 'Call sequence information: guide' |
REAL, save:: ucovrea1(iim + 1, jjm + 1, llm), vcovrea1(iim + 1, jjm, llm) |
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! vents covariants r\'eanalyses |
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! calcul de l'humidite saturante |
REAL, save:: tetarea1(iim + 1, jjm + 1, llm) |
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! potential temperture from reanalysis |
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REAL, save:: qrea1(iim + 1, jjm + 1, llm) |
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forall (l = 1: llm + 1) p(:, l) = ap(l) + bp(l) * ps |
REAL, save:: ucovrea2(iim + 1, jjm + 1, llm), vcovrea2(iim + 1, jjm, llm) |
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CALL massdair(p, masse) |
! vents covariants reanalyses |
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PRINT *, 'OK1' |
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CALL exner_hyb(ps, p, pks, pk, pkf) |
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PRINT *, 'OK2' |
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tnat(:, :) = pk(:, :)*teta(:, :)/cpp |
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PRINT *, 'OK3' |
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unskap = 1./kappa |
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pres(:, :) = preff*(pk(:, :)/cpp)**unskap |
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PRINT *, 'OK4' |
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qsat = q_sat(tnat, pres) |
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! initialisations pour la lecture des reanalyses. |
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! alpha determine la part des injections de donnees a chaque etape |
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! alpha=1 signifie pas d'injection |
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! alpha=0 signifie injection totale |
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PRINT *, 'ONLINE=', online |
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IF (online==-1) THEN |
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RETURN |
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END IF |
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IF (first) THEN |
REAL, save:: tetarea2(iim + 1, jjm + 1, llm) |
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! potential temperture from reanalysis |
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REAL, save:: qrea2(iim + 1, jjm + 1, llm) |
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PRINT *, 'initialisation du guide ' |
! alpha détermine la part des injections de données à chaque étape |
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CALL conf_guide |
! alpha=0 signifie pas d'injection |
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PRINT *, 'apres conf_guide' |
! alpha=1 signifie injection totale |
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REAL, save:: alpha_q(iim + 1, jjm + 1) |
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file = 'guide' |
REAL, save:: alpha_t(iim + 1, jjm + 1) |
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CALL inigrads(igrads, rlonv, 180./pi, -180., 180., rlatu, -90., 90., & |
REAL, save:: alpha_u(iim + 1, jjm + 1), alpha_v(iim + 1, jjm) |
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180./pi, presnivs, 1., dtgrads, file, 'dyn_zon ') |
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PRINT *, & |
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'1: en-ligne, 0: hors-ligne (x=x_rea), -1: climat (x=x_gcm)' |
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IF (online==-1) RETURN |
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IF (online==1) THEN |
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! Constantes de temps de rappel en jour |
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! 0.1 c'est en gros 2h30. |
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! 1e10 est une constante infinie donc en gros pas de guidage |
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! coordonnees du centre du zoom |
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CALL coordij(clon, clat, ilon, ilat) |
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! aire de la maille au centre du zoom |
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aire_min = aire(ilon+(ilat-1)*iip1) |
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! aire maximale de la maille |
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aire_max = 0. |
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DO ij = 1, ip1jmp1 |
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aire_max = max(aire_max, aire(ij)) |
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END DO |
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! factt = pas de temps en fraction de jour |
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factt = dtvr*iperiod/daysec |
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CALL tau2alpha(3, iip1, jjm, factt, tau_min_v, tau_max_v, alpha_v) |
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CALL tau2alpha(2, iip1, jjp1, factt, tau_min_u, tau_max_u, alpha_u) |
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CALL tau2alpha(1, iip1, jjp1, factt, tau_min_t, tau_max_t, alpha_t) |
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CALL tau2alpha(1, iip1, jjp1, factt, tau_min_p, tau_max_p, alpha_p) |
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CALL tau2alpha(1, iip1, jjp1, factt, tau_min_q, tau_max_q, alpha_q) |
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CALL dump2d(iip1, jjp1, aire, 'AIRE MAILLe ') |
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CALL dump2d(iip1, jjp1, alpha_u, 'COEFF U ') |
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CALL dump2d(iip1, jjp1, alpha_t, 'COEFF T ') |
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! Cas ou on force exactement par les variables analysees |
INTEGER l |
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ELSE |
REAL tau |
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alpha_t = 0. |
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alpha_u = 0. |
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alpha_v = 0. |
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alpha_p = 0. |
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! physic=.false. |
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END IF |
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itau_test = 1001 |
! TEST SUR QSAT |
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step_rea = 1 |
REAL p(iim + 1, jjm + 1, llm + 1) |
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count_no_rea = 0 |
real pk(iim + 1, jjm + 1, llm), pks(iim + 1, jjm + 1) |
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ncidpl = -99 |
REAL qsat(iim + 1, jjm + 1, llm) |
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! itau_test montre si l'importation a deja ete faite au rang itau |
REAL dxdys(iip1, jjp1), dxdyu(iip1, jjp1), dxdyv(iip1, jjm) |
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! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
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if (guide_u) then |
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if (ncidpl.eq.-99) rcod=nf90_open('u.nc',Nf90_NOWRITe,ncidpl) |
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endif |
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if (guide_v) then |
!----------------------------------------------------------------------- |
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if (ncidpl.eq.-99) rcod=nf90_open('v.nc',nf90_nowrite,ncidpl) |
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endif |
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if (guide_T) then |
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if (ncidpl.eq.-99) rcod=nf90_open('T.nc',nf90_nowrite,ncidpl) |
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endif |
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if (guide_Q) then |
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if (ncidpl.eq.-99) rcod=nf90_open('hur.nc',nf90_nowrite, ncidpl) |
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endif |
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IF (ncep) THEN |
IF (itau == 0) THEN |
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status = nf_inq_dimid(ncidpl, 'LEVEL', rid) |
IF (online) THEN |
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IF (abs(grossismx - 1.) < 0.1 .OR. abs(grossismy - 1.) < 0.1) THEN |
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! grille regulière |
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if (guide_u) alpha_u = 1. - exp(- factt / tau_max_u) |
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if (guide_v) alpha_v = 1. - exp(- factt / tau_max_v) |
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if (guide_t) alpha_t = 1. - exp(- factt / tau_max_t) |
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if (guide_q) alpha_q = 1. - exp(- factt / tau_max_q) |
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else |
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call init_tau2alpha(dxdys, dxdyu, dxdyv) |
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| 90 |
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if (guide_u) then |
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CALL tau2alpha(dxdyu, rlatu, tau_min_u, tau_max_u, alpha_u) |
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CALL writefield("alpha_u", alpha_u) |
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end if |
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if (guide_v) then |
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CALL tau2alpha(dxdyv, rlatv, tau_min_v, tau_max_v, alpha_v) |
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CALL writefield("alpha_v", alpha_v) |
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end if |
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if (guide_t) then |
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CALL tau2alpha(dxdys, rlatu, tau_min_t, tau_max_t, alpha_t) |
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CALL writefield("alpha_t", alpha_t) |
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end if |
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if (guide_q) then |
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CALL tau2alpha(dxdys, rlatu, tau_min_q, tau_max_q, alpha_q) |
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CALL writefield("alpha_q", alpha_q) |
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end if |
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end IF |
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ELSE |
ELSE |
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status = nf_inq_dimid(ncidpl, 'PRESSURE', rid) |
! Cas où on force exactement par les variables analysées |
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if (guide_u) alpha_u = 1. |
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if (guide_v) alpha_v = 1. |
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if (guide_t) alpha_t = 1. |
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if (guide_q) alpha_q = 1. |
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END IF |
END IF |
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status = nf_inq_dimlen(ncidpl, rid, nlev) |
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PRINT *, 'nlev', nlev |
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rcod = nf90_close(ncidpl) |
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! Lecture du premier etat des reanalyses. |
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CALL read_reanalyse(1, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
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masserea2, psrea2, 1, nlev) |
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qrea2(:, :) = max(qrea2(:, :), 0.1) |
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! Debut de l'integration temporelle: |
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END IF ! first |
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! IMPORTATION DES VENTS, PRESSION ET TEMPERATURE REELS: |
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ditau = real(itau) |
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dday_step = real(day_step) |
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WRITE (*, *) 'ditau, dday_step' |
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WRITE (*, *) ditau, dday_step |
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toto = 4*ditau/dday_step |
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reste = toto - aint(toto) |
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IF (reste==0.) THEN |
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IF (itau_test==itau) THEN |
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WRITE (*, *) 'deuxieme passage de advreel a itau=', itau |
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STOP |
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ELSE |
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vcovrea1(:, :) = vcovrea2(:, :) |
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ucovrea1(:, :) = ucovrea2(:, :) |
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tetarea1(:, :) = tetarea2(:, :) |
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qrea1(:, :) = qrea2(:, :) |
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PRINT *, 'LECTURE REANALYSES, pas ', step_rea, 'apres ', & |
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count_no_rea, ' non lectures' |
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step_rea = step_rea + 1 |
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itau_test = itau |
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CALL read_reanalyse(step_rea, ps, ucovrea2, vcovrea2, tetarea2, & |
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qrea2, masserea2, psrea2, 1, nlev) |
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qrea2(:, :) = max(qrea2(:, :), 0.1) |
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factt = dtvr*iperiod/daysec |
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ztau(:) = factt/max(alpha_t(:), 1.E-10) |
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CALL wrgrads(igrads, 1, aire, 'aire ', 'aire ') |
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CALL wrgrads(igrads, 1, dxdys, 'dxdy ', 'dxdy ') |
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CALL wrgrads(igrads, 1, alpha_u, 'au ', 'au ') |
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CALL wrgrads(igrads, 1, alpha_t, 'at ', 'at ') |
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CALL wrgrads(igrads, 1, ztau, 'taut ', 'taut ') |
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CALL wrgrads(igrads, llm, ucov, 'u ', 'u ') |
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CALL wrgrads(igrads, llm, ucovrea2, 'ua ', 'ua ') |
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CALL wrgrads(igrads, llm, teta, 'T ', 'T ') |
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CALL wrgrads(igrads, llm, tetarea2, 'Ta ', 'Ta ') |
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CALL wrgrads(igrads, llm, qrea2, 'Qa ', 'Qa ') |
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CALL wrgrads(igrads, llm, q, 'Q ', 'Q ') |
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| 118 |
CALL wrgrads(igrads, llm, qsat, 'QSAT ', 'QSAT ') |
! Lecture du premier état des réanalyses : |
| 119 |
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CALL read_reanalyse(ps, ucovrea2, vcovrea2, tetarea2, qrea2) |
| 120 |
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qrea2 = max(qrea2, 0.1) |
| 121 |
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| 122 |
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if (ini_anal) then |
| 123 |
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IF (guide_u) ucov = ucovrea2 |
| 124 |
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IF (guide_v) vcov = vcovrea2 |
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IF (guide_t) teta = tetarea2 |
| 126 |
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| 127 |
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IF (guide_q) then |
| 128 |
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! Calcul de l'humidité saturante : |
| 129 |
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forall (l = 1: llm + 1) p(:, :, l) = ap(l) + bp(l) * ps |
| 130 |
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CALL exner_hyb(ps, p, pks, pk) |
| 131 |
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q = q_sat(pk * teta / cpp, preff * (pk / cpp)**(1. / kappa)) & |
| 132 |
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* qrea2 * 0.01 |
| 133 |
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end IF |
| 134 |
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end if |
| 135 |
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END IF |
| 136 |
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| 137 |
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! Importation des vents, pression et temp\'erature r\'eels : |
| 138 |
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| 139 |
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! Nudging fields are given 4 times per day: |
| 140 |
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IF (mod(itau, day_step / 4) == 0) THEN |
| 141 |
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vcovrea1 = vcovrea2 |
| 142 |
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ucovrea1 = ucovrea2 |
| 143 |
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tetarea1 = tetarea2 |
| 144 |
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qrea1 = qrea2 |
| 145 |
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| 146 |
END IF |
CALL read_reanalyse(ps, ucovrea2, vcovrea2, tetarea2, qrea2) |
| 147 |
ELSE |
qrea2 = max(qrea2, 0.1) |
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count_no_rea = count_no_rea + 1 |
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END IF |
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| 148 |
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| 149 |
! Guidage |
if (guide_u) then |
| 150 |
! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
CALL writefield("ucov", ucov) |
| 151 |
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CALL writefield("ucovrea2", ucovrea2) |
| 152 |
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end if |
| 153 |
|
|
| 154 |
IF (ini_anal) PRINT *, 'ATTENTION !!! ON PART DU GUIDAGE' |
if (guide_t) then |
| 155 |
|
CALL writefield("teta", teta) |
| 156 |
|
CALL writefield("tetarea2", tetarea2) |
| 157 |
|
end if |
| 158 |
|
|
| 159 |
ditau = real(itau) |
if (guide_q) then |
| 160 |
dday_step = real(day_step) |
CALL writefield("qrea2", qrea2) |
| 161 |
|
CALL writefield("q", q) |
| 162 |
|
end if |
| 163 |
|
END IF |
| 164 |
|
|
| 165 |
|
! Guidage |
| 166 |
|
|
| 167 |
tau = 4*ditau/dday_step |
tau = mod(real(itau) / real(day_step / 4), 1.) |
|
tau = tau - aint(tau) |
|
|
|
|
|
! ucov |
|
|
IF (guide_u) THEN |
|
|
DO l = 1, llm |
|
|
DO ij = 1, ip1jmp1 |
|
|
a = (1.-tau)*ucovrea1(ij, l) + tau*ucovrea2(ij, l) |
|
|
ucov(ij, l) = (1.-alpha_u(ij))*ucov(ij, l) + alpha_u(ij)*a |
|
|
IF (first .AND. ini_anal) ucov(ij, l) = a |
|
|
END DO |
|
|
END DO |
|
|
END IF |
|
| 168 |
|
|
| 169 |
IF (guide_t) THEN |
! x_gcm = a * x_gcm + (1 - a) * x_reanalyses |
|
DO l = 1, llm |
|
|
DO ij = 1, ip1jmp1 |
|
|
a = (1.-tau)*tetarea1(ij, l) + tau*tetarea2(ij, l) |
|
|
teta(ij, l) = (1.-alpha_t(ij))*teta(ij, l) + alpha_t(ij)*a |
|
|
IF (first .AND. ini_anal) teta(ij, l) = a |
|
|
END DO |
|
|
END DO |
|
|
END IF |
|
| 170 |
|
|
| 171 |
! P |
IF (guide_u) forall (l = 1: llm) ucov(:, :, l) = (1. - alpha_u) & |
| 172 |
IF (guide_p) THEN |
* ucov(:, :, l) + alpha_u * ((1. - tau) * ucovrea1(:, :, l) + tau & |
| 173 |
DO ij = 1, ip1jmp1 |
* ucovrea2(:, :, l)) |
|
a = (1.-tau)*psrea1(ij) + tau*psrea2(ij) |
|
|
ps(ij) = (1.-alpha_p(ij))*ps(ij) + alpha_p(ij)*a |
|
|
IF (first .AND. ini_anal) ps(ij) = a |
|
|
END DO |
|
|
forall (l = 1: llm + 1) p(:, l) = ap(l) + bp(l) * ps |
|
|
CALL massdair(p, masse) |
|
|
END IF |
|
| 174 |
|
|
| 175 |
|
IF (guide_v) forall (l = 1: llm) vcov(:, :, l) = (1. - alpha_v) & |
| 176 |
|
* vcov(:, :, l) + alpha_v * ((1. - tau) * vcovrea1(:, :, l) + tau & |
| 177 |
|
* vcovrea2(:, :, l)) |
| 178 |
|
|
| 179 |
! q |
IF (guide_t) forall (l = 1: llm) teta(:, :, l) = (1. - alpha_t) & |
| 180 |
IF (guide_q) THEN |
* teta(:, :, l) + alpha_t * ((1. - tau) * tetarea1(:, :, l) + tau & |
| 181 |
DO l = 1, llm |
* tetarea2(:, :, l)) |
|
DO ij = 1, ip1jmp1 |
|
|
a = (1.-tau)*qrea1(ij, l) + tau*qrea2(ij, l) |
|
|
! hum relative en % -> hum specif |
|
|
a = qsat(ij, l)*a*0.01 |
|
|
q(ij, l) = (1.-alpha_q(ij))*q(ij, l) + alpha_q(ij)*a |
|
|
IF (first .AND. ini_anal) q(ij, l) = a |
|
|
END DO |
|
|
END DO |
|
|
END IF |
|
| 182 |
|
|
| 183 |
! vcov |
IF (guide_q) THEN |
| 184 |
IF (guide_v) THEN |
! Calcul de l'humidité saturante : |
| 185 |
DO l = 1, llm |
forall (l = 1: llm + 1) p(:, :, l) = ap(l) + bp(l) * ps |
| 186 |
DO ij = 1, ip1jm |
CALL exner_hyb(ps, p, pks, pk) |
| 187 |
a = (1.-tau)*vcovrea1(ij, l) + tau*vcovrea2(ij, l) |
qsat = q_sat(pk * teta / cpp, preff * (pk / cpp)**(1. / kappa)) |
| 188 |
vcov(ij, l) = (1.-alpha_v(ij))*vcov(ij, l) + alpha_v(ij)*a |
|
| 189 |
IF (first .AND. ini_anal) vcov(ij, l) = a |
! humidité relative en % -> humidité spécifique |
| 190 |
END DO |
forall (l = 1: llm) q(:, :, l) = (1. - alpha_q) * q(:, :, l) & |
| 191 |
IF (first .AND. ini_anal) vcov(ij, l) = a |
+ alpha_q * (qsat(:, :, l) * ((1. - tau) * qrea1(:, :, l) & |
| 192 |
END DO |
+ tau * qrea2(:, :, l)) * 0.01) |
| 193 |
END IF |
END IF |
| 194 |
|
|
|
first = .FALSE. |
|
|
|
|
| 195 |
END SUBROUTINE guide |
END SUBROUTINE guide |
| 196 |
|
|
| 197 |
END MODULE guide_m |
END MODULE guide_m |
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