3 |
! From dyn3d/guide.F, version 1.3 2005/05/25 13:10:09 |
! From dyn3d/guide.F, version 1.3 2005/05/25 13:10:09 |
4 |
! and dyn3d/guide.h, version 1.1.1.1 2004/05/19 12:53:06 |
! and dyn3d/guide.h, version 1.1.1.1 2004/05/19 12:53:06 |
5 |
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6 |
REAL tau_min_u, tau_max_u |
IMPLICIT NONE |
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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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7 |
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8 |
LOGICAL guide_u, guide_v, guide_t, guide_q, guide_p |
REAL aire_min, aire_max |
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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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9 |
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10 |
CONTAINS |
CONTAINS |
11 |
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13 |
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14 |
! Author: F.Hourdin |
! Author: F.Hourdin |
15 |
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16 |
USE dimens_m, ONLY : jjm, llm |
USE comconst, ONLY : cpp, daysec, dtvr, kappa |
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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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17 |
USE comgeom, ONLY : aire, rlatu, rlonv |
USE comgeom, ONLY : aire, rlatu, rlonv |
18 |
USE serre, ONLY : clat, clon |
USE conf_gcm_m, ONLY : day_step, iperiod |
19 |
USE q_sat_m, ONLY : q_sat |
use conf_guide_m, only: conf_guide, guide_u, guide_v, guide_t, guide_q, & |
20 |
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guide_p, ncep, ini_anal, tau_min_u, tau_max_u, tau_min_v, tau_max_v, & |
21 |
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tau_min_t, tau_max_t, tau_min_q, tau_max_q, tau_min_p, tau_max_p, & |
22 |
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online |
23 |
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USE dimens_m, ONLY : jjm, llm |
24 |
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USE disvert_m, ONLY : ap, bp, preff, presnivs |
25 |
USE exner_hyb_m, ONLY : exner_hyb |
USE exner_hyb_m, ONLY : exner_hyb |
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USE pression_m, ONLY : pression |
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26 |
USE inigrads_m, ONLY : inigrads |
USE inigrads_m, ONLY : inigrads |
27 |
use netcdf, only: nf90_nowrite, nf90_open, nf90_close |
use massdair_m, only: massdair |
28 |
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use netcdf, only: nf90_nowrite, nf90_open, nf90_close, nf90_inq_dimid, & |
29 |
IMPLICIT NONE |
nf90_inquire_dimension |
30 |
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use nr_util, only: pi |
31 |
INCLUDE 'netcdf.inc' |
USE paramet_m, ONLY : iip1, ip1jm, ip1jmp1, jjp1, llmp1 |
32 |
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USE q_sat_m, ONLY : q_sat |
33 |
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USE serre, ONLY : clat, clon |
34 |
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use tau2alpha_m, only: tau2alpha, dxdys |
35 |
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36 |
! variables dynamiques |
! variables dynamiques |
37 |
REAL vcov(ip1jm, llm), ucov(ip1jmp1, llm) ! vents covariants |
REAL vcov(ip1jm, llm), ucov(ip1jmp1, llm) ! vents covariants |
38 |
REAL, intent(inout):: teta(ip1jmp1, llm) ! temperature potentielle |
REAL, intent(inout):: teta(ip1jmp1, llm) ! temperature potentielle |
39 |
REAL q(ip1jmp1, llm) ! temperature potentielle |
REAL q(ip1jmp1, llm) ! temperature potentielle |
40 |
REAL ps(ip1jmp1) ! pression au sol |
REAL ps(ip1jmp1) ! pression au sol |
41 |
REAL masse(ip1jmp1, llm) ! masse d'air |
REAL, intent(out):: masse(ip1jmp1, llm) ! masse d'air |
42 |
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43 |
! common passe pour des sorties |
! variables dynamiques pour les reanalyses. |
44 |
REAL dxdys(iip1, jjp1), dxdyu(iip1, jjp1), dxdyv(iip1, jjm) |
REAL, save:: ucovrea1(ip1jmp1, llm), vcovrea1(ip1jm, llm) !vts cov reas |
45 |
COMMON /comdxdy/dxdys, dxdyu, dxdyv |
REAL, save:: tetarea1(ip1jmp1, llm) ! temp pot reales |
46 |
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REAL, save:: qrea1(ip1jmp1, llm) ! temp pot reales |
47 |
! variables dynamiques pour les reanalyses. |
REAL, save:: psrea1(ip1jmp1) ! ps |
48 |
REAL ucovrea1(ip1jmp1, llm), vcovrea1(ip1jm, llm) !vts cov reas |
REAL, save:: ucovrea2(ip1jmp1, llm), vcovrea2(ip1jm, llm) !vts cov reas |
49 |
REAL tetarea1(ip1jmp1, llm) ! temp pot reales |
REAL, save:: tetarea2(ip1jmp1, llm) ! temp pot reales |
50 |
REAL qrea1(ip1jmp1, llm) ! temp pot reales |
REAL, save:: qrea2(ip1jmp1, llm) ! temp pot reales |
51 |
REAL psrea1(ip1jmp1) ! ps |
REAL, save:: masserea2(ip1jmp1, llm) ! masse |
52 |
REAL ucovrea2(ip1jmp1, llm), vcovrea2(ip1jm, llm) !vts cov reas |
REAL, save:: psrea2(ip1jmp1) ! ps |
53 |
REAL tetarea2(ip1jmp1, llm) ! temp pot reales |
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54 |
REAL qrea2(ip1jmp1, llm) ! temp pot reales |
REAL, save:: alpha_q(ip1jmp1) |
55 |
REAL masserea2(ip1jmp1, llm) ! masse |
REAL, save:: alpha_t(ip1jmp1), alpha_p(ip1jmp1) |
56 |
REAL psrea2(ip1jmp1) ! ps |
REAL, save:: alpha_u(ip1jmp1), alpha_v(ip1jm) |
57 |
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REAL dday_step, toto, reste |
58 |
REAL alpha_q(ip1jmp1) |
real, save:: itau_test |
59 |
REAL alpha_t(ip1jmp1), alpha_p(ip1jmp1) |
INTEGER, save:: step_rea, count_no_rea |
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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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60 |
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61 |
INTEGER ilon, ilat |
INTEGER ilon, ilat |
62 |
REAL factt, ztau(ip1jmp1) |
REAL factt, ztau(ip1jmp1) |
63 |
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64 |
INTEGER, INTENT (IN) :: itau |
INTEGER, INTENT(IN):: itau |
65 |
INTEGER ij, l |
INTEGER ij, l |
66 |
INTEGER ncidpl, varidpl, nlev, status |
INTEGER ncidpl, varidpl, status |
67 |
INTEGER rcod, rid |
INTEGER rcod, rid |
68 |
REAL ditau, tau, a |
REAL ditau, tau, a |
69 |
SAVE nlev |
INTEGER, SAVE:: nlev |
70 |
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71 |
! TEST SUR QSAT |
! TEST SUR QSAT |
72 |
REAL p(ip1jmp1, llmp1), pk(ip1jmp1, llm), pks(ip1jmp1) |
REAL p(ip1jmp1, llmp1), pk(ip1jmp1, llm), pks(ip1jmp1) |
73 |
REAL pkf(ip1jmp1, llm) |
REAL pkf(ip1jmp1, llm) |
74 |
REAL pres(ip1jmp1, llm) |
REAL pres(ip1jmp1, llm) |
77 |
REAL unskap |
REAL unskap |
78 |
REAL tnat(ip1jmp1, llm) |
REAL tnat(ip1jmp1, llm) |
79 |
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80 |
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LOGICAL:: first = .TRUE. |
81 |
LOGICAL first |
CHARACTER(len=10) file |
82 |
SAVE first |
INTEGER:: igrads = 2 |
83 |
DATA first/ .TRUE./ |
REAL:: dtgrads = 100. |
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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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84 |
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85 |
!----------------------------------------------------------------------- |
!----------------------------------------------------------------------- |
86 |
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88 |
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89 |
! calcul de l'humidite saturante |
! calcul de l'humidite saturante |
90 |
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91 |
CALL pression(ip1jmp1, ap, bp, ps, p) |
forall (l = 1: llm + 1) p(:, l) = ap(l) + bp(l) * ps |
92 |
CALL massdair(p, masse) |
CALL massdair(p, masse) |
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PRINT *, 'OK1' |
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93 |
CALL exner_hyb(ps, p, pks, pk, pkf) |
CALL exner_hyb(ps, p, pks, pk, pkf) |
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PRINT *, 'OK2' |
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94 |
tnat(:, :) = pk(:, :)*teta(:, :)/cpp |
tnat(:, :) = pk(:, :)*teta(:, :)/cpp |
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PRINT *, 'OK3' |
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95 |
unskap = 1./kappa |
unskap = 1./kappa |
96 |
pres(:, :) = preff*(pk(:, :)/cpp)**unskap |
pres(:, :) = preff*(pk(:, :)/cpp)**unskap |
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PRINT *, 'OK4' |
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97 |
qsat = q_sat(tnat, pres) |
qsat = q_sat(tnat, pres) |
98 |
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99 |
! initialisations pour la lecture des reanalyses. |
! initialisations pour la lecture des reanalyses. |
100 |
! alpha determine la part des injections de donnees a chaque etape |
! alpha determine la part des injections de donnees a chaque etape |
101 |
! alpha=1 signifie pas d'injection |
! alpha=1 signifie pas d'injection |
102 |
! alpha=0 signifie injection totale |
! alpha=0 signifie injection totale |
103 |
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PRINT *, 'ONLINE=', online |
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104 |
IF (online==-1) THEN |
IF (online==-1) THEN |
105 |
RETURN |
RETURN |
106 |
END IF |
END IF |
107 |
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108 |
IF (first) THEN |
IF (first) THEN |
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PRINT *, 'initialisation du guide ' |
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109 |
CALL conf_guide |
CALL conf_guide |
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PRINT *, 'apres conf_guide' |
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110 |
file = 'guide' |
file = 'guide' |
111 |
CALL inigrads(igrads, rlonv, 180./pi, -180., 180., rlatu, -90., 90., & |
CALL inigrads(igrads, rlonv, 180./pi, -180., 180., rlatu, -90., 90., & |
112 |
180./pi, presnivs, 1., dtgrads, file, 'dyn_zon ') |
180./pi, presnivs, 1., dtgrads, file, 'dyn_zon ') |
113 |
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PRINT *, '1: en-ligne, 0: hors-ligne (x=x_rea), -1: climat (x=x_gcm)' |
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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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114 |
IF (online==-1) RETURN |
IF (online==-1) RETURN |
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IF (online==1) THEN |
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115 |
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116 |
! Constantes de temps de rappel en jour |
IF (online==1) THEN |
117 |
! 0.1 c'est en gros 2h30. |
! Constantes de temps de rappel en jour |
118 |
! 1e10 est une constante infinie donc en gros pas de guidage |
! 0.1 c'est en gros 2h30. |
119 |
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! 1e10 est une constante infinie donc en gros pas de guidage |
120 |
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121 |
! coordonnees du centre du zoom |
! coordonnees du centre du zoom |
122 |
CALL coordij(clon, clat, ilon, ilat) |
CALL coordij(clon, clat, ilon, ilat) |
123 |
! aire de la maille au centre du zoom |
! aire de la maille au centre du zoom |
124 |
aire_min = aire(ilon+(ilat-1)*iip1) |
aire_min = aire(ilon+(ilat-1)*iip1) |
125 |
! aire maximale de la maille |
! aire maximale de la maille |
126 |
aire_max = 0. |
aire_max = 0. |
127 |
DO ij = 1, ip1jmp1 |
DO ij = 1, ip1jmp1 |
128 |
aire_max = max(aire_max, aire(ij)) |
aire_max = max(aire_max, aire(ij)) |
129 |
END DO |
END DO |
130 |
! factt = pas de temps en fraction de jour |
! factt = pas de temps en fraction de jour |
131 |
factt = dtvr*iperiod/daysec |
factt = dtvr*iperiod/daysec |
132 |
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133 |
CALL tau2alpha(3, iip1, jjm, factt, tau_min_v, tau_max_v, alpha_v) |
CALL tau2alpha(3, iip1, jjm, factt, tau_min_v, tau_max_v, alpha_v) |
137 |
CALL tau2alpha(1, iip1, jjp1, factt, tau_min_q, tau_max_q, alpha_q) |
CALL tau2alpha(1, iip1, jjp1, factt, tau_min_q, tau_max_q, alpha_q) |
138 |
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139 |
CALL dump2d(iip1, jjp1, aire, 'AIRE MAILLe ') |
CALL dump2d(iip1, jjp1, aire, 'AIRE MAILLe ') |
140 |
CALL dump2d(iip1, jjp1, alpha_u, 'COEFF U ') |
CALL dump2d(iip1, jjp1, alpha_u, 'COEFF U ') |
141 |
CALL dump2d(iip1, jjp1, alpha_t, 'COEFF T ') |
CALL dump2d(iip1, jjp1, alpha_t, 'COEFF T ') |
142 |
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143 |
! Cas ou on force exactement par les variables analysees |
! Cas ou on force exactement par les variables analysees |
144 |
ELSE |
ELSE |
145 |
alpha_t = 0. |
alpha_t = 0. |
146 |
alpha_u = 0. |
alpha_u = 0. |
147 |
alpha_v = 0. |
alpha_v = 0. |
148 |
alpha_p = 0. |
alpha_p = 0. |
149 |
! physic=.false. |
! physic=.false. |
150 |
END IF |
END IF |
151 |
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152 |
itau_test = 1001 |
itau_test = 1001 |
154 |
count_no_rea = 0 |
count_no_rea = 0 |
155 |
ncidpl = -99 |
ncidpl = -99 |
156 |
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157 |
! itau_test montre si l'importation a deja ete faite au rang itau |
! itau_test montre si l'importation a deja ete faite au rang itau |
158 |
! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
! lecture d'un fichier netcdf pour determiner le nombre de niveaux |
159 |
if (guide_u) then |
if (guide_u) then |
160 |
if (ncidpl.eq.-99) rcod=nf90_open('u.nc',Nf90_NOWRITe,ncidpl) |
if (ncidpl.eq.-99) rcod=nf90_open('u.nc',Nf90_NOWRITe,ncidpl) |
173 |
endif |
endif |
174 |
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175 |
IF (ncep) THEN |
IF (ncep) THEN |
176 |
status = nf_inq_dimid(ncidpl, 'LEVEL', rid) |
status = nf90_inq_dimid(ncidpl, 'LEVEL', rid) |
177 |
ELSE |
ELSE |
178 |
status = nf_inq_dimid(ncidpl, 'PRESSURE', rid) |
status = nf90_inq_dimid(ncidpl, 'PRESSURE', rid) |
179 |
END IF |
END IF |
180 |
status = nf_inq_dimlen(ncidpl, rid, nlev) |
status = nf90_inquire_dimension(ncidpl, rid, len=nlev) |
181 |
PRINT *, 'nlev', nlev |
PRINT *, 'nlev', nlev |
182 |
rcod = nf90_close(ncidpl) |
rcod = nf90_close(ncidpl) |
183 |
! Lecture du premier etat des reanalyses. |
! Lecture du premier etat des reanalyses. |
184 |
CALL read_reanalyse(1, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
CALL read_reanalyse(1, ps, ucovrea2, vcovrea2, tetarea2, qrea2, & |
185 |
masserea2, psrea2, 1, nlev) |
masserea2, psrea2, 1, nlev) |
186 |
qrea2(:, :) = max(qrea2(:, :), 0.1) |
qrea2(:, :) = max(qrea2(:, :), 0.1) |
187 |
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188 |
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! Debut de l'integration temporelle: |
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! Debut de l'integration temporelle: |
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189 |
END IF ! first |
END IF ! first |
190 |
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191 |
! IMPORTATION DES VENTS, PRESSION ET TEMPERATURE REELS: |
! IMPORTATION DES VENTS, PRESSION ET TEMPERATURE REELS: |
216 |
qrea2(:, :) = max(qrea2(:, :), 0.1) |
qrea2(:, :) = max(qrea2(:, :), 0.1) |
217 |
factt = dtvr*iperiod/daysec |
factt = dtvr*iperiod/daysec |
218 |
ztau(:) = factt/max(alpha_t(:), 1.E-10) |
ztau(:) = factt/max(alpha_t(:), 1.E-10) |
219 |
CALL wrgrads(igrads, 1, aire, 'aire ', 'aire ') |
CALL wrgrads(igrads, 1, aire, 'aire ', 'aire ') |
220 |
CALL wrgrads(igrads, 1, dxdys, 'dxdy ', 'dxdy ') |
CALL wrgrads(igrads, 1, dxdys, 'dxdy ', 'dxdy ') |
221 |
CALL wrgrads(igrads, 1, alpha_u, 'au ', 'au ') |
CALL wrgrads(igrads, 1, alpha_u, 'au ', 'au ') |
222 |
CALL wrgrads(igrads, 1, alpha_t, 'at ', 'at ') |
CALL wrgrads(igrads, 1, alpha_t, 'at ', 'at ') |
223 |
CALL wrgrads(igrads, 1, ztau, 'taut ', 'taut ') |
CALL wrgrads(igrads, 1, ztau, 'taut ', 'taut ') |
224 |
CALL wrgrads(igrads, llm, ucov, 'u ', 'u ') |
CALL wrgrads(igrads, llm, ucov, 'u ', 'u ') |
225 |
CALL wrgrads(igrads, llm, ucovrea2, 'ua ', 'ua ') |
CALL wrgrads(igrads, llm, ucovrea2, 'ua ', 'ua ') |
226 |
CALL wrgrads(igrads, llm, teta, 'T ', 'T ') |
CALL wrgrads(igrads, llm, teta, 'T ', 'T ') |
227 |
CALL wrgrads(igrads, llm, tetarea2, 'Ta ', 'Ta ') |
CALL wrgrads(igrads, llm, tetarea2, 'Ta ', 'Ta ') |
228 |
CALL wrgrads(igrads, llm, qrea2, 'Qa ', 'Qa ') |
CALL wrgrads(igrads, llm, qrea2, 'Qa ', 'Qa ') |
229 |
CALL wrgrads(igrads, llm, q, 'Q ', 'Q ') |
CALL wrgrads(igrads, llm, q, 'Q ', 'Q ') |
230 |
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|
231 |
CALL wrgrads(igrads, llm, qsat, 'QSAT ', 'QSAT ') |
CALL wrgrads(igrads, llm, qsat, 'QSAT ', 'QSAT ') |
232 |
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|
233 |
END IF |
END IF |
234 |
ELSE |
ELSE |
235 |
count_no_rea = count_no_rea + 1 |
count_no_rea = count_no_rea + 1 |
236 |
END IF |
END IF |
237 |
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|
238 |
! Guidage |
! Guidage |
239 |
! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
! x_gcm = a * x_gcm + (1-a) * x_reanalyses |
240 |
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241 |
IF (ini_anal) PRINT *, 'ATTENTION !!! ON PART DU GUIDAGE' |
IF (ini_anal) PRINT *, 'ATTENTION !!! ON PART DU GUIDAGE' |
242 |
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243 |
ditau = real(itau) |
ditau = real(itau) |
244 |
dday_step = real(day_step) |
dday_step = real(day_step) |
245 |
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246 |
tau = 4*ditau/dday_step |
tau = 4*ditau/dday_step |
247 |
tau = tau - aint(tau) |
tau = tau - aint(tau) |
248 |
|
|
249 |
! ucov |
! ucov |
250 |
IF (guide_u) THEN |
IF (guide_u) THEN |
251 |
DO l = 1, llm |
DO l = 1, llm |
252 |
DO ij = 1, ip1jmp1 |
DO ij = 1, ip1jmp1 |
267 |
END DO |
END DO |
268 |
END IF |
END IF |
269 |
|
|
270 |
! P |
! P |
271 |
IF (guide_p) THEN |
IF (guide_p) THEN |
272 |
DO ij = 1, ip1jmp1 |
DO ij = 1, ip1jmp1 |
273 |
a = (1.-tau)*psrea1(ij) + tau*psrea2(ij) |
a = (1.-tau)*psrea1(ij) + tau*psrea2(ij) |
274 |
ps(ij) = (1.-alpha_p(ij))*ps(ij) + alpha_p(ij)*a |
ps(ij) = (1.-alpha_p(ij))*ps(ij) + alpha_p(ij)*a |
275 |
IF (first .AND. ini_anal) ps(ij) = a |
IF (first .AND. ini_anal) ps(ij) = a |
276 |
END DO |
END DO |
277 |
CALL pression(ip1jmp1, ap, bp, ps, p) |
forall (l = 1: llm + 1) p(:, l) = ap(l) + bp(l) * ps |
278 |
CALL massdair(p, masse) |
CALL massdair(p, masse) |
279 |
END IF |
END IF |
280 |
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281 |
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! q |
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! q |
|
282 |
IF (guide_q) THEN |
IF (guide_q) THEN |
283 |
DO l = 1, llm |
DO l = 1, llm |
284 |
DO ij = 1, ip1jmp1 |
DO ij = 1, ip1jmp1 |
285 |
a = (1.-tau)*qrea1(ij, l) + tau*qrea2(ij, l) |
a = (1.-tau)*qrea1(ij, l) + tau*qrea2(ij, l) |
286 |
! hum relative en % -> hum specif |
! hum relative en % -> hum specif |
287 |
a = qsat(ij, l)*a*0.01 |
a = qsat(ij, l)*a*0.01 |
288 |
q(ij, l) = (1.-alpha_q(ij))*q(ij, l) + alpha_q(ij)*a |
q(ij, l) = (1.-alpha_q(ij))*q(ij, l) + alpha_q(ij)*a |
289 |
IF (first .AND. ini_anal) q(ij, l) = a |
IF (first .AND. ini_anal) q(ij, l) = a |
307 |
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308 |
END SUBROUTINE guide |
END SUBROUTINE guide |
309 |
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!======================================================================= |
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SUBROUTINE tau2alpha(type, pim, pjm, factt, taumin, taumax, alpha) |
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!======================================================================= |
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USE dimens_m, ONLY : iim, jjm |
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USE paramet_m, ONLY : iip1, jjp1 |
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USE comconst, ONLY : pi |
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USE comgeom, ONLY : cu_2d, cv_2d, rlatu, rlatv |
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USE serre, ONLY : clat, clon, grossismx, grossismy |
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IMPLICIT NONE |
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! arguments : |
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INTEGER type |
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INTEGER pim, pjm |
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REAL factt, taumin, taumax |
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REAL dxdy_, alpha(pim, pjm) |
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REAL dxdy_min, dxdy_max |
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! local : |
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REAL alphamin, alphamax, gamma, xi |
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SAVE gamma |
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INTEGER i, j, ilon, ilat |
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LOGICAL first |
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SAVE first |
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DATA first/ .TRUE./ |
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REAL zdx(iip1, jjp1), zdy(iip1, jjp1) |
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REAL zlat |
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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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IF (first) THEN |
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DO j = 2, jjm |
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DO i = 2, iip1 |
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zdx(i, j) = 0.5*(cu_2d(i-1, j)+cu_2d(i, j))/cos(rlatu(j)) |
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END DO |
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zdx(1, j) = zdx(iip1, j) |
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END DO |
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DO j = 2, jjm |
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DO i = 1, iip1 |
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zdy(i, j) = 0.5*(cv_2d(i, j-1)+cv_2d(i, j)) |
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END DO |
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END DO |
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DO i = 1, iip1 |
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zdx(i, 1) = zdx(i, 2) |
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zdx(i, jjp1) = zdx(i, jjm) |
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zdy(i, 1) = zdy(i, 2) |
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zdy(i, jjp1) = zdy(i, jjm) |
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END DO |
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DO j = 1, jjp1 |
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DO i = 1, iip1 |
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dxdys(i, j) = sqrt(zdx(i, j)*zdx(i, j)+zdy(i, j)*zdy(i, j)) |
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END DO |
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END DO |
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DO j = 1, jjp1 |
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DO i = 1, iim |
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dxdyu(i, j) = 0.5*(dxdys(i, j)+dxdys(i+1, j)) |
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END DO |
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dxdyu(iip1, j) = dxdyu(1, j) |
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END DO |
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DO j = 1, jjm |
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DO i = 1, iip1 |
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dxdyv(i, j) = 0.5*(dxdys(i, j)+dxdys(i+1, j)) |
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END DO |
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END DO |
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CALL dump2d(iip1, jjp1, dxdys, 'DX2DY2 SCAL ') |
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CALL dump2d(iip1, jjp1, dxdyu, 'DX2DY2 U ') |
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CALL dump2d(iip1, jjp1, dxdyv, 'DX2DY2 v ') |
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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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dxdy_min = dxdys(ilon, ilat) |
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! dxdy maximale de la maille |
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dxdy_max = 0. |
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DO j = 1, jjp1 |
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DO i = 1, iip1 |
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dxdy_max = max(dxdy_max, dxdys(i, j)) |
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END DO |
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END DO |
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IF (abs(grossismx-1.)<0.1 .OR. abs(grossismy-1.)<0.1) THEN |
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PRINT *, 'ATTENTION modele peu zoome' |
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PRINT *, 'ATTENTION on prend une constante de guidage cste' |
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gamma = 0. |
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ELSE |
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gamma = (dxdy_max-2.*dxdy_min)/(dxdy_max-dxdy_min) |
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PRINT *, 'gamma=', gamma |
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IF (gamma<1.E-5) THEN |
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PRINT *, 'gamma =', gamma, '<1e-5' |
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STOP |
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END IF |
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PRINT *, 'gamma=', gamma |
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gamma = log(0.5)/log(gamma) |
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END IF |
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END IF |
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alphamin = factt/taumax |
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alphamax = factt/taumin |
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DO j = 1, pjm |
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DO i = 1, pim |
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IF (type==1) THEN |
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dxdy_ = dxdys(i, j) |
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zlat = rlatu(j)*180./pi |
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ELSE IF (type==2) THEN |
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dxdy_ = dxdyu(i, j) |
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zlat = rlatu(j)*180./pi |
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ELSE IF (type==3) THEN |
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dxdy_ = dxdyv(i, j) |
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zlat = rlatv(j)*180./pi |
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END IF |
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IF (abs(grossismx-1.)<0.1 .OR. abs(grossismy-1.)<0.1) THEN |
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! pour une grille reguliere, xi=xxx**0=1 -> alpha=alphamin |
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alpha(i, j) = alphamin |
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ELSE |
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xi = ((dxdy_max-dxdy_)/(dxdy_max-dxdy_min))**gamma |
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xi = min(xi, 1.) |
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IF (lat_min_guide<=zlat .AND. zlat<=lat_max_guide) THEN |
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alpha(i, j) = xi*alphamin + (1.-xi)*alphamax |
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ELSE |
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alpha(i, j) = 0. |
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END IF |
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END IF |
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END DO |
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END DO |
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RETURN |
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END SUBROUTINE tau2alpha |
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310 |
END MODULE guide_m |
END MODULE guide_m |