5 |
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6 |
IMPLICIT NONE |
IMPLICIT NONE |
7 |
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REAL aire_min, aire_max |
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8 |
CONTAINS |
CONTAINS |
9 |
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10 |
SUBROUTINE guide(itau, ucov, vcov, teta, q, ps) |
SUBROUTINE guide(itau, ucov, vcov, teta, q, ps) |
11 |
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12 |
! Author: F.Hourdin |
! Author: F.Hourdin |
13 |
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14 |
USE comconst, ONLY: cpp, daysec, dtvr, kappa |
USE comconst, ONLY: cpp, kappa |
15 |
USE comgeom, ONLY: aire, rlatu, rlonv |
USE conf_gcm_m, ONLY: day_step |
16 |
USE conf_gcm_m, ONLY: day_step, iperiod |
use conf_guide_m, only: guide_u, guide_v, guide_t, guide_q, ncep, & |
17 |
use conf_guide_m, only: conf_guide, guide_u, guide_v, guide_t, guide_q, & |
ini_anal, tau_min_u, tau_max_u, tau_min_v, tau_max_v, tau_min_t, & |
18 |
ncep, ini_anal, tau_min_u, tau_max_u, tau_min_v, tau_max_v, & |
tau_max_t, tau_min_q, tau_max_q, online, factt |
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tau_min_t, tau_max_t, tau_min_q, tau_max_q, online |
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19 |
USE dimens_m, ONLY: iim, jjm, llm |
USE dimens_m, ONLY: iim, jjm, llm |
20 |
USE disvert_m, ONLY: ap, bp, preff, presnivs |
USE disvert_m, ONLY: ap, bp, preff |
21 |
use dump2d_m, only: dump2d |
use dynetat0_m, only: grossismx, grossismy, rlatu, rlatv |
22 |
USE exner_hyb_m, ONLY: exner_hyb |
USE exner_hyb_m, ONLY: exner_hyb |
23 |
USE inigrads_m, ONLY: inigrads |
use init_tau2alpha_m, only: init_tau2alpha |
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use netcdf, only: nf90_nowrite, nf90_close, nf90_inq_dimid |
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use netcdf95, only: nf95_inquire_dimension, nf95_open |
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24 |
use nr_util, only: pi |
use nr_util, only: pi |
25 |
USE paramet_m, ONLY: iip1, ip1jmp1, jjp1, llmp1 |
USE paramet_m, ONLY: iip1, ip1jmp1, jjp1, llmp1 |
26 |
USE q_sat_m, ONLY: q_sat |
USE q_sat_m, ONLY: q_sat |
27 |
use read_reanalyse_m, only: read_reanalyse |
use read_reanalyse_m, only: read_reanalyse |
28 |
USE serre, ONLY: clat, clon |
use tau2alpha_m, only: tau2alpha |
29 |
use tau2alpha_m, only: tau2alpha, dxdys |
use writefield_m, only: writefield |
30 |
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31 |
INTEGER, INTENT(IN):: itau |
INTEGER, INTENT(IN):: itau |
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! variables dynamiques |
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32 |
REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
REAL, intent(inout):: ucov(:, :, :) ! (iim + 1, jjm + 1, llm) vent covariant |
33 |
REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
REAL, intent(inout):: vcov(:, :, :) ! (iim + 1, jjm, llm) ! vent covariant |
34 |
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35 |
REAL, intent(inout):: teta(iim + 1, jjm + 1, llm) ! température potentielle |
REAL, intent(inout):: teta(:, :, :) ! (iim + 1, jjm + 1, llm) |
36 |
REAL, intent(inout):: q(iim + 1, jjm + 1, llm) |
! température potentielle |
37 |
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38 |
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REAL, intent(inout):: q(:, :, :) ! (iim + 1, jjm + 1, llm) |
39 |
REAL, intent(in):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol |
REAL, intent(in):: ps(:, :) ! (iim + 1, jjm + 1) pression au sol |
40 |
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41 |
! Local: |
! Local: |
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43 |
! variables dynamiques pour les reanalyses. |
! variables dynamiques pour les réanalyses |
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45 |
REAL, save:: ucovrea1(iim + 1, jjm + 1, llm), vcovrea1(iim + 1, jjm, llm) |
REAL, save:: ucovrea1(iim + 1, jjm + 1, llm), vcovrea1(iim + 1, jjm, llm) |
46 |
! vents covariants reanalyses |
! vents covariants reanalyses |
53 |
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54 |
REAL, save:: tetarea2(iim + 1, jjm + 1, llm) ! temp pot reales |
REAL, save:: tetarea2(iim + 1, jjm + 1, llm) ! temp pot reales |
55 |
REAL, save:: qrea2(iim + 1, jjm + 1, llm) ! temp pot reales |
REAL, save:: qrea2(iim + 1, jjm + 1, llm) ! temp pot reales |
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REAL, save:: masserea2(ip1jmp1, llm) ! masse |
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56 |
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57 |
! alpha determine la part des injections de donnees a chaque etape |
! alpha détermine la part des injections de données à chaque étape |
58 |
! alpha=1 signifie pas d'injection |
! alpha=0 signifie pas d'injection |
59 |
! alpha=0 signifie injection totale |
! alpha=1 signifie injection totale |
60 |
REAL, save:: alpha_q(iim + 1, jjm + 1) |
REAL, save:: alpha_q(iim + 1, jjm + 1) |
61 |
REAL, save:: alpha_t(iim + 1, jjm + 1) |
REAL, save:: alpha_t(iim + 1, jjm + 1) |
62 |
REAL, save:: alpha_u(iim + 1, jjm + 1), alpha_v(iim + 1, jjm) |
REAL, save:: alpha_u(iim + 1, jjm + 1), alpha_v(iim + 1, jjm) |
63 |
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64 |
INTEGER, save:: step_rea, count_no_rea |
INTEGER l |
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INTEGER ilon, ilat |
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REAL factt ! pas de temps entre deux appels au guidage, en fraction de jour |
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real ztau(iim + 1, jjm + 1) |
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INTEGER ij, l |
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INTEGER ncidpl, status |
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INTEGER rcod, rid |
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65 |
REAL tau |
REAL tau |
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INTEGER, SAVE:: nlev |
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66 |
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67 |
! TEST SUR QSAT |
! TEST SUR QSAT |
68 |
REAL p(iim + 1, jjm + 1, llmp1) |
REAL p(iim + 1, jjm + 1, llmp1) |
69 |
real pk(iim + 1, jjm + 1, llm), pks(iim + 1, jjm + 1) |
real pk(iim + 1, jjm + 1, llm), pks(iim + 1, jjm + 1) |
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70 |
REAL qsat(iim + 1, jjm + 1, llm) |
REAL qsat(iim + 1, jjm + 1, llm) |
71 |
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72 |
INTEGER, parameter:: igrads = 2 |
REAL dxdys(iip1, jjp1), dxdyu(iip1, jjp1), dxdyv(iip1, jjm) |
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REAL:: dtgrads = 100. |
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!----------------------------------------------------------------------- |
!----------------------------------------------------------------------- |
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76 |
PRINT *, 'Call sequence information: guide' |
IF (itau == 0) THEN |
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first_call: IF (itau == 0) THEN |
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CALL conf_guide |
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CALL inigrads(igrads, rlonv, 180. / pi, -180., 180., rlatu, -90., & |
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90., 180. / pi, presnivs, 1., dtgrads, 'guide', 'dyn_zon ') |
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77 |
IF (online) THEN |
IF (online) THEN |
78 |
! Constantes de temps de rappel en jour |
IF (abs(grossismx - 1.) < 0.1 .OR. abs(grossismy - 1.) < 0.1) THEN |
79 |
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! grille regulière |
80 |
! coordonnees du centre du zoom |
if (guide_u) alpha_u = factt / tau_max_u |
81 |
CALL coordij(clon, clat, ilon, ilat) |
if (guide_v) alpha_v = factt / tau_max_v |
82 |
! aire de la maille au centre du zoom |
if (guide_t) alpha_t = factt / tau_max_t |
83 |
aire_min = aire(ilon+(ilat - 1) * iip1) |
if (guide_q) alpha_q = factt / tau_max_q |
84 |
! aire maximale de la maille |
else |
85 |
aire_max = 0. |
call init_tau2alpha(dxdys, dxdyu, dxdyv) |
86 |
DO ij = 1, ip1jmp1 |
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87 |
aire_max = max(aire_max, aire(ij)) |
if (guide_u) then |
88 |
END DO |
CALL tau2alpha(dxdyu, rlatu, tau_min_u, tau_max_u, alpha_u) |
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CALL writefield("alpha_u", alpha_u) |
90 |
factt = dtvr * iperiod / daysec |
end if |
91 |
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92 |
CALL tau2alpha(3, factt, tau_min_v, tau_max_v, alpha_v) |
if (guide_v) then |
93 |
CALL tau2alpha(2, factt, tau_min_u, tau_max_u, alpha_u) |
CALL tau2alpha(dxdyv, rlatv, tau_min_v, tau_max_v, alpha_v) |
94 |
CALL tau2alpha(1, factt, tau_min_t, tau_max_t, alpha_t) |
CALL writefield("alpha_v", alpha_v) |
95 |
CALL tau2alpha(1, factt, tau_min_q, tau_max_q, alpha_q) |
end if |
96 |
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97 |
CALL dump2d(iip1, jjp1, aire, 'AIRE MAILLe ') |
if (guide_t) then |
98 |
CALL dump2d(iip1, jjp1, alpha_u, 'COEFF U ') |
CALL tau2alpha(dxdys, rlatu, tau_min_t, tau_max_t, alpha_t) |
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CALL dump2d(iip1, jjp1, alpha_t, 'COEFF T ') |
CALL writefield("alpha_t", alpha_t) |
100 |
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end if |
101 |
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102 |
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if (guide_q) then |
103 |
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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 |
106 |
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end IF |
107 |
ELSE |
ELSE |
108 |
! Cas ou on force exactement par les variables analysees |
! Cas où on force exactement par les variables analysées |
109 |
alpha_t = 0. |
if (guide_u) alpha_u = 1. |
110 |
alpha_u = 0. |
if (guide_v) alpha_v = 1. |
111 |
alpha_v = 0. |
if (guide_t) alpha_t = 1. |
112 |
alpha_q = 0. |
if (guide_q) alpha_q = 1. |
113 |
END IF |
END IF |
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115 |
step_rea = 1 |
! Lecture du premier état des réanalyses : |
116 |
count_no_rea = 0 |
CALL read_reanalyse(ps, ucovrea2, vcovrea2, tetarea2, qrea2) |
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ncidpl = -99 |
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! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
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if (guide_u) call nf95_open('u.nc',Nf90_NOWRITe,ncidpl) |
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if (guide_v) call nf95_open('v.nc',nf90_nowrite,ncidpl) |
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if (guide_T) call nf95_open('T.nc',nf90_nowrite,ncidpl) |
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if (guide_Q) call nf95_open('hur.nc',nf90_nowrite, ncidpl) |
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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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call nf95_inquire_dimension(ncidpl, rid, nclen=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, nlev) |
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117 |
qrea2 = max(qrea2, 0.1) |
qrea2 = max(qrea2, 0.1) |
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END IF first_call |
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118 |
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119 |
! IMPORTATION DES VENTS, PRESSION ET TEMPERATURE REELS: |
if (ini_anal) then |
120 |
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IF (guide_u) ucov = ucovrea2 |
121 |
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IF (guide_v) vcov = vcovrea2 |
122 |
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IF (guide_t) teta = tetarea2 |
123 |
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124 |
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IF (guide_q) then |
125 |
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! Calcul de l'humidité saturante : |
126 |
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forall (l = 1: llm + 1) p(:, :, l) = ap(l) + bp(l) * ps |
127 |
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CALL exner_hyb(ps, p, pks, pk) |
128 |
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q = q_sat(pk * teta / cpp, preff * (pk / cpp)**(1. / kappa)) & |
129 |
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* qrea2 * 0.01 |
130 |
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end IF |
131 |
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end if |
132 |
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END IF |
133 |
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134 |
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! Importation des vents, pression et temp\'erature r\'eels : |
135 |
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136 |
! Nudging fields are given 4 times per day: |
! Nudging fields are given 4 times per day: |
137 |
IF (mod(itau, day_step / 4) == 0) THEN |
IF (mod(itau, day_step / 4) == 0) THEN |
140 |
tetarea1 = tetarea2 |
tetarea1 = tetarea2 |
141 |
qrea1 = qrea2 |
qrea1 = qrea2 |
142 |
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143 |
PRINT *, 'LECTURE REANALYSES, pas ', step_rea, 'apres ', & |
CALL read_reanalyse(ps, ucovrea2, vcovrea2, tetarea2, qrea2) |
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count_no_rea, ' non lectures' |
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step_rea = step_rea + 1 |
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CALL read_reanalyse(step_rea, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
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masserea2, nlev) |
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144 |
qrea2 = max(qrea2, 0.1) |
qrea2 = max(qrea2, 0.1) |
145 |
factt = dtvr * iperiod / daysec |
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146 |
ztau = factt / max(alpha_t, 1E-10) |
if (guide_u) then |
147 |
CALL wrgrads(igrads, 1, aire, 'aire ', 'aire ') |
CALL writefield("ucov", ucov) |
148 |
CALL wrgrads(igrads, 1, dxdys, 'dxdy ', 'dxdy ') |
CALL writefield("ucovrea2", ucovrea2) |
149 |
CALL wrgrads(igrads, 1, alpha_u, 'au ', 'au ') |
end if |
150 |
CALL wrgrads(igrads, 1, alpha_t, 'at ', 'at ') |
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151 |
CALL wrgrads(igrads, 1, ztau, 'taut ', 'taut ') |
if (guide_t) then |
152 |
CALL wrgrads(igrads, llm, ucov, 'u ', 'u ') |
CALL writefield("teta", teta) |
153 |
CALL wrgrads(igrads, llm, ucovrea2, 'ua ', 'ua ') |
CALL writefield("tetarea2", tetarea2) |
154 |
CALL wrgrads(igrads, llm, teta, 'T ', 'T ') |
end if |
155 |
CALL wrgrads(igrads, llm, tetarea2, 'Ta ', 'Ta ') |
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156 |
CALL wrgrads(igrads, llm, qrea2, 'Qa ', 'Qa ') |
if (guide_q) then |
157 |
CALL wrgrads(igrads, llm, q, 'Q ', 'Q ') |
CALL writefield("qrea2", qrea2) |
158 |
ELSE |
CALL writefield("q", q) |
159 |
count_no_rea = count_no_rea + 1 |
end if |
160 |
END IF |
END IF |
161 |
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162 |
! Guidage |
! Guidage |
165 |
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166 |
! x_gcm = a * x_gcm + (1 - a) * x_reanalyses |
! x_gcm = a * x_gcm + (1 - a) * x_reanalyses |
167 |
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168 |
IF (guide_u) THEN |
IF (guide_u) forall (l = 1: llm) ucov(:, :, l) = (1. - alpha_u) & |
169 |
IF (itau == 0 .AND. ini_anal) then |
* ucov(:, :, l) + alpha_u * ((1. - tau) * ucovrea1(:, :, l) + tau & |
170 |
ucov = ucovrea1 |
* ucovrea2(:, :, l)) |
171 |
else |
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172 |
forall (l = 1: llm) ucov(:, :, l) = (1. - alpha_u) * ucov(:, :, l) & |
IF (guide_v) forall (l = 1: llm) vcov(:, :, l) = (1. - alpha_v) & |
173 |
+ alpha_u * ((1. - tau) * ucovrea1(:, :, l) & |
* vcov(:, :, l) + alpha_v * ((1. - tau) * vcovrea1(:, :, l) + tau & |
174 |
+ tau * ucovrea2(:, :, l)) |
* vcovrea2(:, :, l)) |
175 |
end IF |
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176 |
END IF |
IF (guide_t) forall (l = 1: llm) teta(:, :, l) = (1. - alpha_t) & |
177 |
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* teta(:, :, l) + alpha_t * ((1. - tau) * tetarea1(:, :, l) + tau & |
178 |
IF (guide_t) THEN |
* tetarea2(:, :, l)) |
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IF (itau == 0 .AND. ini_anal) then |
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teta = tetarea1 |
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else |
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forall (l = 1: llm) teta(:, :, l) = (1. - alpha_t) * teta(:, :, l) & |
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+ alpha_t * ((1. - tau) * tetarea1(:, :, l) & |
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+ tau * tetarea2(:, :, l)) |
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end IF |
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END IF |
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179 |
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180 |
IF (guide_q) THEN |
IF (guide_q) THEN |
181 |
! Calcul de l'humidité saturante : |
! Calcul de l'humidité saturante : |
184 |
qsat = q_sat(pk * teta / cpp, preff * (pk / cpp)**(1. / kappa)) |
qsat = q_sat(pk * teta / cpp, preff * (pk / cpp)**(1. / kappa)) |
185 |
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186 |
! humidité relative en % -> humidité spécifique |
! humidité relative en % -> humidité spécifique |
187 |
IF (itau == 0 .AND. ini_anal) then |
forall (l = 1: llm) q(:, :, l) = (1. - alpha_q) * q(:, :, l) & |
188 |
q = qsat * qrea1 * 0.01 |
+ alpha_q * (qsat(:, :, l) * ((1. - tau) * qrea1(:, :, l) & |
189 |
else |
+ tau * qrea2(:, :, l)) * 0.01) |
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forall (l = 1: llm) q(:, :, l) = (1. - alpha_q) * q(:, :, l) & |
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+ alpha_q * (qsat(:, :, l) * ((1. - tau) * qrea1(:, :, l) & |
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+ tau * qrea2(:, :, l)) * 0.01) |
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end IF |
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END IF |
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IF (guide_v) THEN |
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IF (itau == 0 .AND. ini_anal) then |
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vcov = vcovrea1 |
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else |
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forall (l = 1: llm) vcov(:, :, l) = (1. - alpha_v) * vcov(:, :, l) & |
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+ alpha_v * ((1. - tau) * vcovrea1(:, :, l) & |
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+ tau * vcovrea2(:, :, l)) |
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end IF |
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190 |
END IF |
END IF |
191 |
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192 |
END SUBROUTINE guide |
END SUBROUTINE guide |