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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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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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REAL :: lat_min_guide, lat_max_guide |
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LOGICAL :: ncep, ini_anal |
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INTEGER :: online |
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CONTAINS |
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SUBROUTINE guide(itau, ucov, vcov, teta, q, masse, ps) |
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! Author: F.Hourdin |
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USE dimens_m, ONLY : jjm, llm |
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USE paramet_m, ONLY : iip1, ip1jm, ip1jmp1, jjp1, llmp1 |
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USE comconst, ONLY : cpp, daysec, dtvr, kappa, pi |
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USE comvert, ONLY : ap, bp, preff, presnivs |
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USE conf_gcm_m, ONLY : day_step, iperiod |
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USE comgeom, ONLY : aire, rlatu, rlonv |
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USE serre, ONLY : clat, clon |
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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 pression_m, ONLY : pression |
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USE inigrads_m, ONLY : inigrads |
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use netcdf, only: nf90_nowrite, nf90_open, nf90_close |
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IMPLICIT NONE |
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INCLUDE 'netcdf.inc' |
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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 :: masse(ip1jmp1, llm) ! masse d'air |
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! common passe pour des sorties |
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REAL :: dxdys(iip1, jjp1), dxdyu(iip1, jjp1), dxdyv(iip1, jjm) |
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COMMON /comdxdy/dxdys, dxdyu, dxdyv |
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! variables dynamiques pour les reanalyses. |
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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 |
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SAVE first |
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DATA 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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!----------------------------------------------------------------------- |
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PRINT *, 'Call sequence information: guide' |
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! calcul de l'humidite saturante |
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CALL pression(ip1jmp1, ap, bp, ps, p) |
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CALL massdair(p, masse) |
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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 |
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PRINT *, 'initialisation du guide ' |
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CALL conf_guide |
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PRINT *, 'apres 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 *, & |
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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 |
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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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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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! 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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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 |
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status = nf_inq_dimid(ncidpl, 'LEVEL', rid) |
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ELSE |
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status = nf_inq_dimid(ncidpl, 'PRESSURE', rid) |
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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 |
238 |
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STOP |
239 |
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ELSE |
240 |
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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 ', & |
246 |
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count_no_rea, ' non lectures' |
247 |
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step_rea = step_rea + 1 |
248 |
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itau_test = itau |
249 |
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CALL read_reanalyse(step_rea, ps, ucovrea2, vcovrea2, tetarea2, & |
250 |
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qrea2, masserea2, psrea2, 1, nlev) |
251 |
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qrea2(:, :) = max(qrea2(:, :), 0.1) |
252 |
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factt = dtvr*iperiod/daysec |
253 |
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ztau(:) = factt/max(alpha_t(:), 1.E-10) |
254 |
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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 ') |
257 |
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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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CALL wrgrads(igrads, llm, qsat, 'QSAT ', 'QSAT ') |
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END IF |
269 |
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ELSE |
270 |
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count_no_rea = count_no_rea + 1 |
271 |
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END IF |
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! Guidage |
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! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
275 |
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276 |
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IF (ini_anal) PRINT *, 'ATTENTION !!! ON PART DU GUIDAGE' |
277 |
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278 |
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ditau = real(itau) |
279 |
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dday_step = real(day_step) |
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282 |
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tau = 4*ditau/dday_step |
283 |
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tau = tau - aint(tau) |
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285 |
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! ucov |
286 |
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IF (guide_u) THEN |
287 |
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DO l = 1, llm |
288 |
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DO ij = 1, ip1jmp1 |
289 |
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a = (1.-tau)*ucovrea1(ij, l) + tau*ucovrea2(ij, l) |
290 |
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ucov(ij, l) = (1.-alpha_u(ij))*ucov(ij, l) + alpha_u(ij)*a |
291 |
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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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IF (guide_t) THEN |
297 |
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DO l = 1, llm |
298 |
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DO ij = 1, ip1jmp1 |
299 |
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a = (1.-tau)*tetarea1(ij, l) + tau*tetarea2(ij, l) |
300 |
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teta(ij, l) = (1.-alpha_t(ij))*teta(ij, l) + alpha_t(ij)*a |
301 |
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IF (first .AND. ini_anal) teta(ij, l) = a |
302 |
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END DO |
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END DO |
304 |
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END IF |
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! P |
307 |
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IF (guide_p) THEN |
308 |
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DO ij = 1, ip1jmp1 |
309 |
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a = (1.-tau)*psrea1(ij) + tau*psrea2(ij) |
310 |
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ps(ij) = (1.-alpha_p(ij))*ps(ij) + alpha_p(ij)*a |
311 |
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IF (first .AND. ini_anal) ps(ij) = a |
312 |
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END DO |
313 |
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CALL pression(ip1jmp1, ap, bp, ps, p) |
314 |
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CALL massdair(p, masse) |
315 |
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END IF |
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3 |
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317 |
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318 |
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! q |
319 |
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IF (guide_q) THEN |
320 |
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DO l = 1, llm |
321 |
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DO ij = 1, ip1jmp1 |
322 |
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a = (1.-tau)*qrea1(ij, l) + tau*qrea2(ij, l) |
323 |
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! hum relative en % -> hum specif |
324 |
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a = qsat(ij, l)*a*0.01 |
325 |
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q(ij, l) = (1.-alpha_q(ij))*q(ij, l) + alpha_q(ij)*a |
326 |
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IF (first .AND. ini_anal) q(ij, l) = a |
327 |
|
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END DO |
328 |
|
|
END DO |
329 |
|
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END IF |
330 |
guez |
3 |
|
331 |
guez |
29 |
! vcov |
332 |
|
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IF (guide_v) THEN |
333 |
|
|
DO l = 1, llm |
334 |
|
|
DO ij = 1, ip1jm |
335 |
|
|
a = (1.-tau)*vcovrea1(ij, l) + tau*vcovrea2(ij, l) |
336 |
|
|
vcov(ij, l) = (1.-alpha_v(ij))*vcov(ij, l) + alpha_v(ij)*a |
337 |
|
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IF (first .AND. ini_anal) vcov(ij, l) = a |
338 |
|
|
END DO |
339 |
|
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IF (first .AND. ini_anal) vcov(ij, l) = a |
340 |
|
|
END DO |
341 |
|
|
END IF |
342 |
guez |
3 |
|
343 |
guez |
29 |
first = .FALSE. |
344 |
guez |
3 |
|
345 |
guez |
29 |
END SUBROUTINE guide |
346 |
guez |
20 |
|
347 |
guez |
3 |
!======================================================================= |
348 |
guez |
20 |
SUBROUTINE tau2alpha(type, pim, pjm, factt, taumin, taumax, alpha) |
349 |
guez |
3 |
!======================================================================= |
350 |
|
|
|
351 |
guez |
20 |
USE dimens_m, ONLY : iim, jjm |
352 |
|
|
USE paramet_m, ONLY : iip1, jjp1 |
353 |
|
|
USE comconst, ONLY : pi |
354 |
|
|
USE comgeom, ONLY : cu_2d, cv_2d, rlatu, rlatv |
355 |
|
|
USE serre, ONLY : clat, clon, grossismx, grossismy |
356 |
|
|
IMPLICIT NONE |
357 |
guez |
3 |
|
358 |
|
|
! arguments : |
359 |
guez |
20 |
INTEGER :: type |
360 |
|
|
INTEGER :: pim, pjm |
361 |
|
|
REAL :: factt, taumin, taumax |
362 |
|
|
REAL :: dxdy_, alpha(pim, pjm) |
363 |
|
|
REAL :: dxdy_min, dxdy_max |
364 |
guez |
3 |
|
365 |
|
|
! local : |
366 |
guez |
20 |
REAL :: alphamin, alphamax, gamma, xi |
367 |
|
|
SAVE gamma |
368 |
|
|
INTEGER :: i, j, ilon, ilat |
369 |
guez |
3 |
|
370 |
guez |
20 |
LOGICAL :: first |
371 |
|
|
SAVE first |
372 |
|
|
DATA first/ .TRUE./ |
373 |
guez |
3 |
|
374 |
guez |
20 |
REAL :: zdx(iip1, jjp1), zdy(iip1, jjp1) |
375 |
guez |
3 |
|
376 |
guez |
20 |
REAL :: zlat |
377 |
|
|
REAL :: dxdys(iip1, jjp1), dxdyu(iip1, jjp1), dxdyv(iip1, jjm) |
378 |
|
|
COMMON /comdxdy/dxdys, dxdyu, dxdyv |
379 |
guez |
3 |
|
380 |
guez |
20 |
IF (first) THEN |
381 |
|
|
DO j = 2, jjm |
382 |
|
|
DO i = 2, iip1 |
383 |
|
|
zdx(i, j) = 0.5*(cu_2d(i-1, j)+cu_2d(i, j))/cos(rlatu(j)) |
384 |
|
|
END DO |
385 |
|
|
zdx(1, j) = zdx(iip1, j) |
386 |
|
|
END DO |
387 |
|
|
DO j = 2, jjm |
388 |
|
|
DO i = 1, iip1 |
389 |
|
|
zdy(i, j) = 0.5*(cv_2d(i, j-1)+cv_2d(i, j)) |
390 |
|
|
END DO |
391 |
|
|
END DO |
392 |
|
|
DO i = 1, iip1 |
393 |
|
|
zdx(i, 1) = zdx(i, 2) |
394 |
|
|
zdx(i, jjp1) = zdx(i, jjm) |
395 |
|
|
zdy(i, 1) = zdy(i, 2) |
396 |
|
|
zdy(i, jjp1) = zdy(i, jjm) |
397 |
|
|
END DO |
398 |
|
|
DO j = 1, jjp1 |
399 |
|
|
DO i = 1, iip1 |
400 |
|
|
dxdys(i, j) = sqrt(zdx(i, j)*zdx(i, j)+zdy(i, j)*zdy(i, j)) |
401 |
|
|
END DO |
402 |
|
|
END DO |
403 |
|
|
DO j = 1, jjp1 |
404 |
|
|
DO i = 1, iim |
405 |
|
|
dxdyu(i, j) = 0.5*(dxdys(i, j)+dxdys(i+1, j)) |
406 |
|
|
END DO |
407 |
|
|
dxdyu(iip1, j) = dxdyu(1, j) |
408 |
|
|
END DO |
409 |
|
|
DO j = 1, jjm |
410 |
|
|
DO i = 1, iip1 |
411 |
|
|
dxdyv(i, j) = 0.5*(dxdys(i, j)+dxdys(i+1, j)) |
412 |
|
|
END DO |
413 |
|
|
END DO |
414 |
guez |
3 |
|
415 |
guez |
20 |
CALL dump2d(iip1, jjp1, dxdys, 'DX2DY2 SCAL ') |
416 |
|
|
CALL dump2d(iip1, jjp1, dxdyu, 'DX2DY2 U ') |
417 |
|
|
CALL dump2d(iip1, jjp1, dxdyv, 'DX2DY2 v ') |
418 |
guez |
3 |
|
419 |
|
|
! coordonnees du centre du zoom |
420 |
guez |
20 |
CALL coordij(clon, clat, ilon, ilat) |
421 |
guez |
3 |
! aire de la maille au centre du zoom |
422 |
guez |
20 |
dxdy_min = dxdys(ilon, ilat) |
423 |
guez |
3 |
! dxdy maximale de la maille |
424 |
guez |
20 |
dxdy_max = 0. |
425 |
|
|
DO j = 1, jjp1 |
426 |
|
|
DO i = 1, iip1 |
427 |
|
|
dxdy_max = max(dxdy_max, dxdys(i, j)) |
428 |
|
|
END DO |
429 |
|
|
END DO |
430 |
guez |
3 |
|
431 |
guez |
20 |
IF (abs(grossismx-1.)<0.1 .OR. abs(grossismy-1.)<0.1) THEN |
432 |
|
|
PRINT *, 'ATTENTION modele peu zoome' |
433 |
|
|
PRINT *, 'ATTENTION on prend une constante de guidage cste' |
434 |
|
|
gamma = 0. |
435 |
|
|
ELSE |
436 |
|
|
gamma = (dxdy_max-2.*dxdy_min)/(dxdy_max-dxdy_min) |
437 |
|
|
PRINT *, 'gamma=', gamma |
438 |
|
|
IF (gamma<1.E-5) THEN |
439 |
|
|
PRINT *, 'gamma =', gamma, '<1e-5' |
440 |
|
|
STOP |
441 |
|
|
END IF |
442 |
|
|
PRINT *, 'gamma=', gamma |
443 |
|
|
gamma = log(0.5)/log(gamma) |
444 |
|
|
END IF |
445 |
|
|
END IF |
446 |
guez |
3 |
|
447 |
guez |
20 |
alphamin = factt/taumax |
448 |
|
|
alphamax = factt/taumin |
449 |
guez |
3 |
|
450 |
guez |
20 |
DO j = 1, pjm |
451 |
|
|
DO i = 1, pim |
452 |
|
|
IF (type==1) THEN |
453 |
|
|
dxdy_ = dxdys(i, j) |
454 |
|
|
zlat = rlatu(j)*180./pi |
455 |
|
|
ELSE IF (type==2) THEN |
456 |
|
|
dxdy_ = dxdyu(i, j) |
457 |
|
|
zlat = rlatu(j)*180./pi |
458 |
|
|
ELSE IF (type==3) THEN |
459 |
|
|
dxdy_ = dxdyv(i, j) |
460 |
|
|
zlat = rlatv(j)*180./pi |
461 |
|
|
END IF |
462 |
|
|
IF (abs(grossismx-1.)<0.1 .OR. abs(grossismy-1.)<0.1) THEN |
463 |
guez |
3 |
! pour une grille reguliere, xi=xxx**0=1 -> alpha=alphamin |
464 |
guez |
20 |
alpha(i, j) = alphamin |
465 |
|
|
ELSE |
466 |
|
|
xi = ((dxdy_max-dxdy_)/(dxdy_max-dxdy_min))**gamma |
467 |
|
|
xi = min(xi, 1.) |
468 |
|
|
IF (lat_min_guide<=zlat .AND. zlat<=lat_max_guide) THEN |
469 |
|
|
alpha(i, j) = xi*alphamin + (1.-xi)*alphamax |
470 |
|
|
ELSE |
471 |
|
|
alpha(i, j) = 0. |
472 |
|
|
END IF |
473 |
|
|
END IF |
474 |
|
|
END DO |
475 |
|
|
END DO |
476 |
guez |
3 |
|
477 |
|
|
|
478 |
guez |
20 |
RETURN |
479 |
|
|
END SUBROUTINE tau2alpha |
480 |
guez |
3 |
|
481 |
guez |
20 |
END MODULE guide_m |