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MODULE guide_m |
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! 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 |
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|
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IMPLICIT NONE |
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|
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REAL aire_min, aire_max |
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|
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CONTAINS |
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|
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SUBROUTINE guide(itau, ucov, vcov, teta, q, masse, ps) |
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|
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! Author: F.Hourdin |
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|
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USE comconst, ONLY : cpp, daysec, dtvr, kappa |
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USE comgeom, ONLY : aire, rlatu, rlonv |
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USE conf_gcm_m, ONLY : day_step, iperiod |
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use conf_guide_m, only: conf_guide, guide_u, guide_v, guide_t, guide_q, & |
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guide_p, ncep, ini_anal, tau_min_u, tau_max_u, tau_min_v, tau_max_v, & |
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tau_min_t, tau_max_t, tau_min_q, tau_max_q, tau_min_p, tau_max_p, & |
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online |
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USE dimens_m, ONLY : jjm, llm |
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USE disvert_m, ONLY : ap, bp, preff, presnivs |
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USE exner_hyb_m, ONLY : exner_hyb |
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USE inigrads_m, ONLY : inigrads |
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use massdair_m, only: massdair |
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use netcdf, only: nf90_nowrite, nf90_open, nf90_close, nf90_inq_dimid, & |
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nf90_inquire_dimension |
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use nr_util, only: pi |
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USE paramet_m, ONLY : iip1, ip1jm, ip1jmp1, jjp1, llmp1 |
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USE q_sat_m, ONLY : q_sat |
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USE serre, ONLY : clat, clon |
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use tau2alpha_m, only: tau2alpha, dxdys |
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|
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! variables dynamiques |
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REAL vcov(ip1jm, llm), ucov(ip1jmp1, llm) ! vents covariants |
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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, intent(out):: masse(ip1jmp1, llm) ! masse d'air |
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|
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! variables dynamiques pour les reanalyses. |
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REAL, save:: ucovrea1(ip1jmp1, llm), vcovrea1(ip1jm, llm) !vts cov reas |
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REAL, save:: tetarea1(ip1jmp1, llm) ! temp pot reales |
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REAL, save:: qrea1(ip1jmp1, llm) ! temp pot reales |
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REAL, save:: psrea1(ip1jmp1) ! ps |
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REAL, save:: ucovrea2(ip1jmp1, llm), vcovrea2(ip1jm, llm) !vts cov reas |
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REAL, save:: tetarea2(ip1jmp1, llm) ! temp pot reales |
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REAL, save:: qrea2(ip1jmp1, llm) ! temp pot reales |
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REAL, save:: masserea2(ip1jmp1, llm) ! masse |
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REAL, save:: psrea2(ip1jmp1) ! ps |
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|
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REAL, save:: alpha_q(ip1jmp1) |
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REAL, save:: alpha_t(ip1jmp1), alpha_p(ip1jmp1) |
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REAL, save:: alpha_u(ip1jmp1), alpha_v(ip1jm) |
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REAL dday_step, toto, reste |
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real, save:: itau_test |
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INTEGER, save:: step_rea, count_no_rea |
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|
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INTEGER ilon, ilat |
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REAL factt, ztau(ip1jmp1) |
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|
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INTEGER, INTENT(IN):: itau |
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INTEGER ij, l |
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INTEGER ncidpl, varidpl, status |
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INTEGER rcod, rid |
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REAL ditau, tau, a |
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INTEGER, SAVE:: nlev |
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|
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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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|
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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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|
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LOGICAL:: first = .TRUE. |
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CHARACTER(len=10) file |
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INTEGER:: igrads = 2 |
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REAL:: dtgrads = 100. |
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|
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!----------------------------------------------------------------------- |
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|
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PRINT *, 'Call sequence information: guide' |
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|
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! calcul de l'humidite saturante |
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|
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forall (l = 1: llm + 1) p(:, l) = ap(l) + bp(l) * ps |
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CALL massdair(p, masse) |
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CALL exner_hyb(ps, p, pks, pk, pkf) |
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tnat(:, :) = pk(:, :)*teta(:, :)/cpp |
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unskap = 1./kappa |
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pres(:, :) = preff*(pk(:, :)/cpp)**unskap |
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qsat = q_sat(tnat, pres) |
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|
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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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|
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IF (online==-1) THEN |
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RETURN |
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END IF |
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|
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IF (first) THEN |
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CALL conf_guide |
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file = 'guide' |
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CALL inigrads(igrads, rlonv, 180./pi, -180., 180., rlatu, -90., 90., & |
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180./pi, presnivs, 1., dtgrads, file, 'dyn_zon ') |
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PRINT *, '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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|
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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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|
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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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|
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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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|
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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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|
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! Cas ou on force exactement par les variables analysees |
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ELSE |
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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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|
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itau_test = 1001 |
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step_rea = 1 |
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count_no_rea = 0 |
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ncidpl = -99 |
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|
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! itau_test montre si l'importation a deja ete faite au rang itau |
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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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|
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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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|
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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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|
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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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|
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IF (ncep) THEN |
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status = nf90_inq_dimid(ncidpl, 'LEVEL', rid) |
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ELSE |
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status = nf90_inq_dimid(ncidpl, 'PRESSURE', rid) |
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END IF |
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status = nf90_inquire_dimension(ncidpl, rid, len=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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|
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! Debut de l'integration temporelle: |
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END IF ! first |
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|
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! IMPORTATION DES VENTS, PRESSION ET TEMPERATURE REELS: |
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|
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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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|
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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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|
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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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|
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CALL wrgrads(igrads, llm, qsat, 'QSAT ', 'QSAT ') |
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|
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END IF |
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ELSE |
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count_no_rea = count_no_rea + 1 |
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END IF |
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|
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! Guidage |
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! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
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|
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IF (ini_anal) PRINT *, 'ATTENTION !!! ON PART DU GUIDAGE' |
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|
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ditau = real(itau) |
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dday_step = real(day_step) |
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|
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tau = 4*ditau/dday_step |
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tau = tau - aint(tau) |
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|
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! ucov |
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IF (guide_u) THEN |
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DO l = 1, llm |
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DO ij = 1, ip1jmp1 |
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a = (1.-tau)*ucovrea1(ij, l) + tau*ucovrea2(ij, l) |
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ucov(ij, l) = (1.-alpha_u(ij))*ucov(ij, l) + alpha_u(ij)*a |
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IF (first .AND. ini_anal) ucov(ij, l) = a |
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END DO |
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END DO |
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END IF |
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|
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IF (guide_t) THEN |
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DO l = 1, llm |
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DO ij = 1, ip1jmp1 |
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a = (1.-tau)*tetarea1(ij, l) + tau*tetarea2(ij, l) |
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teta(ij, l) = (1.-alpha_t(ij))*teta(ij, l) + alpha_t(ij)*a |
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IF (first .AND. ini_anal) teta(ij, l) = a |
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END DO |
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END DO |
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END IF |
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|
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! P |
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IF (guide_p) THEN |
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DO ij = 1, ip1jmp1 |
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a = (1.-tau)*psrea1(ij) + tau*psrea2(ij) |
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ps(ij) = (1.-alpha_p(ij))*ps(ij) + alpha_p(ij)*a |
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IF (first .AND. ini_anal) ps(ij) = a |
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END DO |
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forall (l = 1: llm + 1) p(:, l) = ap(l) + bp(l) * ps |
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CALL massdair(p, masse) |
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END IF |
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|
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! q |
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IF (guide_q) THEN |
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DO l = 1, llm |
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DO ij = 1, ip1jmp1 |
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a = (1.-tau)*qrea1(ij, l) + tau*qrea2(ij, l) |
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! hum relative en % -> hum specif |
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a = qsat(ij, l)*a*0.01 |
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q(ij, l) = (1.-alpha_q(ij))*q(ij, l) + alpha_q(ij)*a |
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IF (first .AND. ini_anal) q(ij, l) = a |
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END DO |
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END DO |
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END IF |
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|
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! vcov |
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IF (guide_v) THEN |
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DO l = 1, llm |
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DO ij = 1, ip1jm |
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a = (1.-tau)*vcovrea1(ij, l) + tau*vcovrea2(ij, l) |
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vcov(ij, l) = (1.-alpha_v(ij))*vcov(ij, l) + alpha_v(ij)*a |
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IF (first .AND. ini_anal) vcov(ij, l) = a |
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END DO |
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IF (first .AND. ini_anal) vcov(ij, l) = a |
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END DO |
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END IF |
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|
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first = .FALSE. |
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|
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END SUBROUTINE guide |
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|
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END MODULE guide_m |
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