9 |
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10 |
CONTAINS |
CONTAINS |
11 |
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12 |
SUBROUTINE guide(itau, ucov, vcov, teta, q, masse, ps) |
SUBROUTINE guide(itau, ucov, vcov, teta, q, ps) |
13 |
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14 |
! Author: F.Hourdin |
! Author: F.Hourdin |
15 |
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16 |
USE comconst, ONLY : cpp, daysec, dtvr, kappa |
USE comconst, ONLY: cpp, daysec, dtvr, kappa |
17 |
USE comgeom, ONLY : aire, rlatu, rlonv |
USE comgeom, ONLY: aire, rlatu, rlonv |
18 |
USE disvert_m, ONLY : ap, bp, preff, presnivs |
USE conf_gcm_m, ONLY: day_step, iperiod |
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USE conf_gcm_m, ONLY : day_step, iperiod |
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19 |
use conf_guide_m, only: conf_guide, guide_u, guide_v, guide_t, guide_q, & |
use conf_guide_m, only: conf_guide, guide_u, guide_v, guide_t, guide_q, & |
20 |
guide_p, ncep, ini_anal, tau_min_u, tau_max_u, tau_min_v, tau_max_v, & |
ncep, ini_anal, tau_min_u, tau_max_u, tau_min_v, tau_max_v, & |
21 |
tau_min_t, tau_max_t, tau_min_q, tau_max_q, tau_min_p, tau_max_p, & |
tau_min_t, tau_max_t, tau_min_q, tau_max_q, online |
22 |
online |
USE dimens_m, ONLY: iim, jjm, llm |
23 |
USE dimens_m, ONLY : jjm, llm |
USE disvert_m, ONLY: ap, bp, preff, presnivs |
24 |
USE exner_hyb_m, ONLY : exner_hyb |
USE exner_hyb_m, ONLY: exner_hyb |
25 |
USE inigrads_m, ONLY : inigrads |
use netcdf, only: nf90_nowrite |
26 |
use netcdf, only: nf90_nowrite, nf90_open, nf90_close, nf90_inq_dimid, & |
use netcdf95, only: nf95_close, nf95_inq_dimid, nf95_inquire_dimension, & |
27 |
nf90_inquire_dimension |
nf95_open |
28 |
use nr_util, only: pi |
use nr_util, only: pi |
29 |
USE paramet_m, ONLY : iip1, ip1jm, ip1jmp1, jjp1, llmp1 |
USE paramet_m, ONLY: iip1, ip1jmp1, jjp1, llmp1 |
30 |
USE q_sat_m, ONLY : q_sat |
USE q_sat_m, ONLY: q_sat |
31 |
USE serre, ONLY : clat, clon |
use read_reanalyse_m, only: read_reanalyse |
32 |
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USE serre, ONLY: clat, clon |
33 |
use tau2alpha_m, only: tau2alpha, dxdys |
use tau2alpha_m, only: tau2alpha, dxdys |
34 |
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use writefield_m, only: writefield |
35 |
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36 |
! variables dynamiques |
INTEGER, INTENT(IN):: itau |
37 |
REAL vcov(ip1jm, llm), ucov(ip1jmp1, llm) ! vents covariants |
REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
38 |
REAL, intent(inout):: teta(ip1jmp1, llm) ! temperature potentielle |
REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
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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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! 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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39 |
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40 |
REAL, save:: alpha_q(ip1jmp1) |
REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
41 |
REAL, save:: alpha_t(ip1jmp1), alpha_p(ip1jmp1) |
! température potentielle |
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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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42 |
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43 |
INTEGER ilon, ilat |
REAL, intent(inout):: q(:, :, :) ! (iim + 1, jjm + 1, llm) |
44 |
REAL factt, ztau(ip1jmp1) |
REAL, intent(in):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol |
45 |
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46 |
INTEGER, INTENT(IN):: itau |
! Local: |
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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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47 |
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48 |
! TEST SUR QSAT |
! variables dynamiques pour les réanalyses |
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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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CHARACTER(len=10) file |
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INTEGER:: igrads = 2 |
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REAL:: dtgrads = 100. |
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49 |
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50 |
!----------------------------------------------------------------------- |
REAL, save:: ucovrea1(iim + 1, jjm + 1, llm), vcovrea1(iim + 1, jjm, llm) |
51 |
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! vents covariants reanalyses |
52 |
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53 |
PRINT *, 'Call sequence information: guide' |
REAL, save:: tetarea1(iim + 1, jjm + 1, llm) ! temp pot reales |
54 |
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REAL, save:: qrea1(iim + 1, jjm + 1, llm) ! temp pot reales |
55 |
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56 |
! calcul de l'humidite saturante |
REAL, save:: ucovrea2(iim + 1, jjm + 1, llm), vcovrea2(iim + 1, jjm, llm) |
57 |
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! vents covariants reanalyses |
58 |
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59 |
forall (l = 1: llm + 1) p(:, l) = ap(l) + bp(l) * ps |
REAL, save:: tetarea2(iim + 1, jjm + 1, llm) ! temp pot reales |
60 |
CALL massdair(p, masse) |
REAL, save:: qrea2(iim + 1, jjm + 1, llm) ! temp pot reales |
61 |
CALL exner_hyb(ps, p, pks, pk, pkf) |
REAL, save:: masserea2(ip1jmp1, llm) ! masse |
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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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62 |
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! initialisations pour la lecture des reanalyses. |
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63 |
! alpha determine la part des injections de donnees a chaque etape |
! alpha determine la part des injections de donnees a chaque etape |
64 |
! alpha=1 signifie pas d'injection |
! alpha=1 signifie pas d'injection |
65 |
! alpha=0 signifie injection totale |
! alpha=0 signifie injection totale |
66 |
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REAL, save:: alpha_q(iim + 1, jjm + 1) |
67 |
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REAL, save:: alpha_t(iim + 1, jjm + 1) |
68 |
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REAL, save:: alpha_u(iim + 1, jjm + 1), alpha_v(iim + 1, jjm) |
69 |
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70 |
IF (online==-1) THEN |
INTEGER, save:: step_rea, count_no_rea |
71 |
RETURN |
|
72 |
END IF |
INTEGER ilon, ilat |
73 |
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REAL factt ! pas de temps entre deux appels au guidage, en fraction de jour |
74 |
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real ztau(iim + 1, jjm + 1) |
75 |
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76 |
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INTEGER ij, l |
77 |
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INTEGER ncid, dimid |
78 |
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REAL tau |
79 |
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INTEGER, SAVE:: nlev |
80 |
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81 |
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! TEST SUR QSAT |
82 |
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REAL p(iim + 1, jjm + 1, llmp1) |
83 |
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real pk(iim + 1, jjm + 1, llm), pks(iim + 1, jjm + 1) |
84 |
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REAL qsat(iim + 1, jjm + 1, llm) |
85 |
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86 |
IF (first) THEN |
!----------------------------------------------------------------------- |
87 |
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88 |
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!!PRINT *, 'Call sequence information: guide' |
89 |
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90 |
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first_call: IF (itau == 0) THEN |
91 |
CALL conf_guide |
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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92 |
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93 |
IF (online==1) THEN |
IF (online) THEN |
94 |
! Constantes de temps de rappel en jour |
! 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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95 |
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96 |
! coordonnees du centre du zoom |
! coordonnees du centre du zoom |
97 |
CALL coordij(clon, clat, ilon, ilat) |
CALL coordij(clon, clat, ilon, ilat) |
98 |
! aire de la maille au centre du zoom |
! aire de la maille au centre du zoom |
99 |
aire_min = aire(ilon+(ilat-1)*iip1) |
aire_min = aire(ilon+(ilat - 1) * iip1) |
100 |
! aire maximale de la maille |
! aire maximale de la maille |
101 |
aire_max = 0. |
aire_max = 0. |
102 |
DO ij = 1, ip1jmp1 |
DO ij = 1, ip1jmp1 |
103 |
aire_max = max(aire_max, aire(ij)) |
aire_max = max(aire_max, aire(ij)) |
104 |
END DO |
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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105 |
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106 |
CALL tau2alpha(3, iip1, jjm, factt, tau_min_v, tau_max_v, alpha_v) |
factt = dtvr * iperiod / daysec |
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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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107 |
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108 |
! Cas ou on force exactement par les variables analysees |
CALL tau2alpha(3, factt, tau_min_v, tau_max_v, alpha_v) |
109 |
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CALL tau2alpha(2, factt, tau_min_u, tau_max_u, alpha_u) |
110 |
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CALL tau2alpha(1, factt, tau_min_t, tau_max_t, alpha_t) |
111 |
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CALL tau2alpha(1, factt, tau_min_q, tau_max_q, alpha_q) |
112 |
ELSE |
ELSE |
113 |
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! Cas où on force exactement par les variables analysées |
114 |
alpha_t = 0. |
alpha_t = 0. |
115 |
alpha_u = 0. |
alpha_u = 0. |
116 |
alpha_v = 0. |
alpha_v = 0. |
117 |
alpha_p = 0. |
alpha_q = 0. |
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! physic=.false. |
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118 |
END IF |
END IF |
119 |
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itau_test = 1001 |
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120 |
step_rea = 1 |
step_rea = 1 |
121 |
count_no_rea = 0 |
count_no_rea = 0 |
122 |
ncidpl = -99 |
ncid = -99 |
123 |
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! itau_test montre si l'importation a deja ete faite au rang itau |
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124 |
! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
125 |
if (guide_u) then |
if (guide_u) call nf95_open('u.nc',Nf90_NOWRITe,ncid) |
126 |
if (ncidpl.eq.-99) rcod=nf90_open('u.nc',Nf90_NOWRITe,ncidpl) |
if (guide_v) call nf95_open('v.nc',nf90_nowrite,ncid) |
127 |
endif |
if (guide_T) call nf95_open('T.nc',nf90_nowrite,ncid) |
128 |
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if (guide_Q) call nf95_open('hur.nc',nf90_nowrite, ncid) |
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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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129 |
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130 |
IF (ncep) THEN |
IF (ncep) THEN |
131 |
status = nf90_inq_dimid(ncidpl, 'LEVEL', rid) |
call nf95_inq_dimid(ncid, 'LEVEL', dimid) |
132 |
ELSE |
ELSE |
133 |
status = nf90_inq_dimid(ncidpl, 'PRESSURE', rid) |
call nf95_inq_dimid(ncid, 'PRESSURE', dimid) |
134 |
END IF |
END IF |
135 |
status = nf90_inquire_dimension(ncidpl, rid, len=nlev) |
call nf95_inquire_dimension(ncid, dimid, nclen=nlev) |
136 |
PRINT *, 'nlev', nlev |
PRINT *, 'nlev', nlev |
137 |
rcod = nf90_close(ncidpl) |
call nf95_close(ncid) |
138 |
! Lecture du premier etat des reanalyses. |
! Lecture du premier etat des reanalyses. |
139 |
CALL read_reanalyse(1, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
CALL read_reanalyse(1, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
140 |
masserea2, psrea2, 1, nlev) |
masserea2, nlev) |
141 |
qrea2(:, :) = max(qrea2(:, :), 0.1) |
qrea2 = max(qrea2, 0.1) |
142 |
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END IF first_call |
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! Debut de l'integration temporelle: |
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END IF ! first |
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143 |
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144 |
! IMPORTATION DES VENTS, PRESSION ET TEMPERATURE REELS: |
! IMPORTATION DES VENTS, PRESSION ET TEMPERATURE REELS: |
145 |
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146 |
ditau = real(itau) |
! Nudging fields are given 4 times per day: |
147 |
dday_step = real(day_step) |
IF (mod(itau, day_step / 4) == 0) THEN |
148 |
WRITE (*, *) 'ditau, dday_step' |
vcovrea1 = vcovrea2 |
149 |
WRITE (*, *) ditau, dday_step |
ucovrea1 = ucovrea2 |
150 |
toto = 4*ditau/dday_step |
tetarea1 = tetarea2 |
151 |
reste = toto - aint(toto) |
qrea1 = qrea2 |
152 |
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|
153 |
IF (reste==0.) THEN |
PRINT *, 'LECTURE REANALYSES, pas ', step_rea, 'apres ', & |
154 |
IF (itau_test==itau) THEN |
count_no_rea, ' non lectures' |
155 |
WRITE (*, *) 'deuxieme passage de advreel a itau=', itau |
step_rea = step_rea + 1 |
156 |
STOP |
CALL read_reanalyse(step_rea, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
157 |
ELSE |
masserea2, nlev) |
158 |
vcovrea1(:, :) = vcovrea2(:, :) |
qrea2 = max(qrea2, 0.1) |
159 |
ucovrea1(:, :) = ucovrea2(:, :) |
factt = dtvr * iperiod / daysec |
160 |
tetarea1(:, :) = tetarea2(:, :) |
ztau = factt / max(alpha_t, 1E-10) |
161 |
qrea1(:, :) = qrea2(:, :) |
CALL writefield("aire", aire) |
162 |
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CALL writefield("dxdys", dxdys) |
163 |
PRINT *, 'LECTURE REANALYSES, pas ', step_rea, 'apres ', & |
CALL writefield("alpha_u", alpha_u) |
164 |
count_no_rea, ' non lectures' |
CALL writefield("alpha_t", alpha_t) |
165 |
step_rea = step_rea + 1 |
CALL writefield("ztau", ztau) |
166 |
itau_test = itau |
CALL writefield("ucov", ucov) |
167 |
CALL read_reanalyse(step_rea, ps, ucovrea2, vcovrea2, tetarea2, & |
CALL writefield("ucovrea2", ucovrea2) |
168 |
qrea2, masserea2, psrea2, 1, nlev) |
CALL writefield("teta", teta) |
169 |
qrea2(:, :) = max(qrea2(:, :), 0.1) |
CALL writefield("tetarea2", tetarea2) |
170 |
factt = dtvr*iperiod/daysec |
CALL writefield("qrea2", qrea2) |
171 |
ztau(:) = factt/max(alpha_t(:), 1.E-10) |
CALL writefield("q", q) |
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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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CALL wrgrads(igrads, llm, qsat, 'QSAT ', 'QSAT ') |
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END IF |
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172 |
ELSE |
ELSE |
173 |
count_no_rea = count_no_rea + 1 |
count_no_rea = count_no_rea + 1 |
174 |
END IF |
END IF |
175 |
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176 |
! Guidage |
! Guidage |
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! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
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177 |
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178 |
IF (ini_anal) PRINT *, 'ATTENTION !!! ON PART DU GUIDAGE' |
tau = mod(real(itau) / real(day_step / 4), 1.) |
179 |
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180 |
ditau = real(itau) |
! x_gcm = a * x_gcm + (1 - a) * x_reanalyses |
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dday_step = real(day_step) |
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181 |
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tau = 4*ditau/dday_step |
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tau = tau - aint(tau) |
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! ucov |
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182 |
IF (guide_u) THEN |
IF (guide_u) THEN |
183 |
DO l = 1, llm |
IF (itau == 0 .AND. ini_anal) then |
184 |
DO ij = 1, ip1jmp1 |
ucov = ucovrea1 |
185 |
a = (1.-tau)*ucovrea1(ij, l) + tau*ucovrea2(ij, l) |
else |
186 |
ucov(ij, l) = (1.-alpha_u(ij))*ucov(ij, l) + alpha_u(ij)*a |
forall (l = 1: llm) ucov(:, :, l) = (1. - alpha_u) * ucov(:, :, l) & |
187 |
IF (first .AND. ini_anal) ucov(ij, l) = a |
+ alpha_u * ((1. - tau) * ucovrea1(:, :, l) & |
188 |
END DO |
+ tau * ucovrea2(:, :, l)) |
189 |
END DO |
end IF |
190 |
END IF |
END IF |
191 |
|
|
192 |
IF (guide_t) THEN |
IF (guide_t) THEN |
193 |
DO l = 1, llm |
IF (itau == 0 .AND. ini_anal) then |
194 |
DO ij = 1, ip1jmp1 |
teta = tetarea1 |
195 |
a = (1.-tau)*tetarea1(ij, l) + tau*tetarea2(ij, l) |
else |
196 |
teta(ij, l) = (1.-alpha_t(ij))*teta(ij, l) + alpha_t(ij)*a |
forall (l = 1: llm) teta(:, :, l) = (1. - alpha_t) * teta(:, :, l) & |
197 |
IF (first .AND. ini_anal) teta(ij, l) = a |
+ alpha_t * ((1. - tau) * tetarea1(:, :, l) & |
198 |
END DO |
+ tau * tetarea2(:, :, l)) |
199 |
END DO |
end IF |
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END IF |
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! P |
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IF (guide_p) THEN |
|
|
DO ij = 1, ip1jmp1 |
|
|
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) |
|
200 |
END IF |
END IF |
201 |
|
|
|
! q |
|
202 |
IF (guide_q) THEN |
IF (guide_q) THEN |
203 |
DO l = 1, llm |
! Calcul de l'humidité saturante : |
204 |
DO ij = 1, ip1jmp1 |
forall (l = 1: llm + 1) p(:, :, l) = ap(l) + bp(l) * ps |
205 |
a = (1.-tau)*qrea1(ij, l) + tau*qrea2(ij, l) |
CALL exner_hyb(ps, p, pks, pk) |
206 |
! hum relative en % -> hum specif |
qsat = q_sat(pk * teta / cpp, preff * (pk / cpp)**(1. / kappa)) |
207 |
a = qsat(ij, l)*a*0.01 |
|
208 |
q(ij, l) = (1.-alpha_q(ij))*q(ij, l) + alpha_q(ij)*a |
! humidité relative en % -> humidité spécifique |
209 |
IF (first .AND. ini_anal) q(ij, l) = a |
IF (itau == 0 .AND. ini_anal) then |
210 |
END DO |
q = qsat * qrea1 * 0.01 |
211 |
END DO |
else |
212 |
|
forall (l = 1: llm) q(:, :, l) = (1. - alpha_q) * q(:, :, l) & |
213 |
|
+ alpha_q * (qsat(:, :, l) * ((1. - tau) * qrea1(:, :, l) & |
214 |
|
+ tau * qrea2(:, :, l)) * 0.01) |
215 |
|
end IF |
216 |
END IF |
END IF |
217 |
|
|
|
! vcov |
|
218 |
IF (guide_v) THEN |
IF (guide_v) THEN |
219 |
DO l = 1, llm |
IF (itau == 0 .AND. ini_anal) then |
220 |
DO ij = 1, ip1jm |
vcov = vcovrea1 |
221 |
a = (1.-tau)*vcovrea1(ij, l) + tau*vcovrea2(ij, l) |
else |
222 |
vcov(ij, l) = (1.-alpha_v(ij))*vcov(ij, l) + alpha_v(ij)*a |
forall (l = 1: llm) vcov(:, :, l) = (1. - alpha_v) * vcov(:, :, l) & |
223 |
IF (first .AND. ini_anal) vcov(ij, l) = a |
+ alpha_v * ((1. - tau) * vcovrea1(:, :, l) & |
224 |
END DO |
+ tau * vcovrea2(:, :, l)) |
225 |
IF (first .AND. ini_anal) vcov(ij, l) = a |
end IF |
|
END DO |
|
226 |
END IF |
END IF |
227 |
|
|
|
first = .FALSE. |
|
|
|
|
228 |
END SUBROUTINE guide |
END SUBROUTINE guide |
229 |
|
|
230 |
END MODULE guide_m |
END MODULE guide_m |