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guez |
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SUBROUTINE clqh(dtime,itime, date0,jour,debut,lafin, & |
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rlon, rlat, cufi, cvfi, & |
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knon, nisurf, knindex, pctsrf, & |
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soil_model,tsoil,qsol, & |
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ok_veget, ocean, npas, nexca, & |
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rmu0, co2_ppm, rugos, rugoro, & |
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u1lay,v1lay,coef, & |
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t,q,ts,paprs,pplay, & |
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delp,radsol,albedo,alblw,snow,qsurf, & |
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precip_rain, precip_snow, fder, taux, tauy, ywindsp, & |
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sollw, sollwdown, swnet,fluxlat, & |
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pctsrf_new, agesno, & |
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d_t, d_q, d_ts, z0_new, & |
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flux_t, flux_q,dflux_s,dflux_l, & |
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fqcalving,ffonte,run_off_lic_0, & |
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flux_o,flux_g,tslab,seaice) |
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guez |
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guez |
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use conf_phys_m |
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use dimens_m |
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use dimphy |
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use dimsoil |
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use fcttre |
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use indicesol |
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USE interface_surf |
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use iniprint |
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use suphec_m, only: rcpd, rd, rg, rkappa |
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use YOMCST |
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guez |
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use yoethf_m |
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guez |
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guez |
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IMPLICIT none |
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guez |
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guez |
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! Auteur(s): Z.X. Li (LMD/CNRS) date: 19930818 |
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! Objet: diffusion verticale de "q" et de "h" |
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guez |
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guez |
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! Arguments: |
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INTEGER knon |
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REAL, intent(in):: dtime ! intervalle du temps (s) |
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real date0 |
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REAL u1lay(klon) ! vitesse u de la 1ere couche (m/s) |
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REAL v1lay(klon) ! vitesse v de la 1ere couche (m/s) |
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REAL coef(klon,klev) ! le coefficient d'echange (m**2/s) |
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! multiplie par le cisaillement du |
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! vent (dV/dz); la premiere valeur |
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! indique la valeur de Cdrag (sans unite) |
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REAL t(klon,klev) ! temperature (K) |
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REAL q(klon,klev) ! humidite specifique (kg/kg) |
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REAL ts(klon) ! temperature du sol (K) |
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REAL evap(klon) ! evaporation au sol |
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REAL paprs(klon,klev+1) ! pression a inter-couche (Pa) |
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REAL pplay(klon,klev) ! pression au milieu de couche (Pa) |
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REAL delp(klon,klev) ! epaisseur de couche en pression (Pa) |
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REAL radsol(klon) ! ray. net au sol (Solaire+IR) W/m2 |
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REAL albedo(klon) ! albedo de la surface |
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REAL alblw(klon) |
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REAL snow(klon) ! hauteur de neige |
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REAL qsurf(klon) ! humidite de l'air au dessus de la surface |
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real precip_rain(klon), precip_snow(klon) |
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REAL agesno(klon) |
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REAL rugoro(klon) |
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REAL run_off_lic_0(klon)! runof glacier au pas de temps precedent |
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integer jour ! jour de l'annee en cours |
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real rmu0(klon) ! cosinus de l'angle solaire zenithal |
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real rugos(klon) ! rugosite |
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integer knindex(klon) |
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real pctsrf(klon,nbsrf) |
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real, intent(in):: rlon(klon), rlat(klon) |
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real cufi(klon), cvfi(klon) |
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logical ok_veget |
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REAL co2_ppm ! taux CO2 atmosphere |
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character(len=*), intent(in):: ocean |
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integer npas, nexca |
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! -- LOOP |
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REAL yu10mx(klon) |
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REAL yu10my(klon) |
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REAL ywindsp(klon) |
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! -- LOOP |
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guez |
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guez |
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! |
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REAL d_t(klon,klev) ! incrementation de "t" |
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REAL d_q(klon,klev) ! incrementation de "q" |
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REAL d_ts(klon) ! incrementation de "ts" |
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REAL flux_t(klon,klev) ! (diagnostic) flux de la chaleur |
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! sensible, flux de Cp*T, positif vers |
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! le bas: j/(m**2 s) c.a.d.: W/m2 |
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REAL flux_q(klon,klev) ! flux de la vapeur d'eau:kg/(m**2 s) |
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REAL dflux_s(klon) ! derivee du flux sensible dF/dTs |
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REAL dflux_l(klon) ! derivee du flux latent dF/dTs |
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!IM cf JLD |
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! Flux thermique utiliser pour fondre la neige |
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REAL ffonte(klon) |
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! Flux d'eau "perdue" par la surface et nécessaire pour que limiter la |
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! hauteur de neige, en kg/m2/s |
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REAL fqcalving(klon) |
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!IM "slab" ocean |
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REAL tslab(klon) !temperature du slab ocean (K) (OCEAN='slab ') |
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REAL seaice(klon) ! glace de mer en kg/m2 |
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REAL flux_o(klon) ! flux entre l'ocean et l'atmosphere W/m2 |
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REAL flux_g(klon) ! flux entre l'ocean et la glace de mer W/m2 |
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! |
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!====================================================================== |
102 |
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REAL t_grnd ! temperature de rappel pour glace de mer |
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PARAMETER (t_grnd=271.35) |
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REAL t_coup |
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PARAMETER(t_coup=273.15) |
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!====================================================================== |
107 |
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INTEGER i, k |
108 |
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REAL zx_cq(klon,klev) |
109 |
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REAL zx_dq(klon,klev) |
110 |
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REAL zx_ch(klon,klev) |
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REAL zx_dh(klon,klev) |
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REAL zx_buf1(klon) |
113 |
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REAL zx_buf2(klon) |
114 |
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REAL zx_coef(klon,klev) |
115 |
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REAL local_h(klon,klev) ! enthalpie potentielle |
116 |
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REAL local_q(klon,klev) |
117 |
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REAL local_ts(klon) |
118 |
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REAL psref(klon) ! pression de reference pour temperature potent. |
119 |
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REAL zx_pkh(klon,klev), zx_pkf(klon,klev) |
120 |
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!====================================================================== |
121 |
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! contre-gradient pour la vapeur d'eau: (kg/kg)/metre |
122 |
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REAL gamq(klon,2:klev) |
123 |
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! contre-gradient pour la chaleur sensible: Kelvin/metre |
124 |
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REAL gamt(klon,2:klev) |
125 |
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REAL z_gamaq(klon,2:klev), z_gamah(klon,2:klev) |
126 |
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REAL zdelz |
127 |
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!====================================================================== |
128 |
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!====================================================================== |
129 |
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! Rajout pour l'interface |
130 |
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integer, intent(in):: itime |
131 |
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integer nisurf |
132 |
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logical, intent(in):: debut |
133 |
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logical, intent(in):: lafin |
134 |
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real zlev1(klon) |
135 |
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real fder(klon), taux(klon), tauy(klon) |
136 |
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real temp_air(klon), spechum(klon) |
137 |
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real epot_air(klon), ccanopy(klon) |
138 |
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real tq_cdrag(klon), petAcoef(klon), peqAcoef(klon) |
139 |
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real petBcoef(klon), peqBcoef(klon) |
140 |
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real sollw(klon), sollwdown(klon), swnet(klon), swdown(klon) |
141 |
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real p1lay(klon) |
142 |
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!$$$C PB ajout pour soil |
143 |
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LOGICAL, intent(in):: soil_model |
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REAL tsoil(klon, nsoilmx) |
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REAL qsol(klon) |
146 |
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147 |
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! Parametres de sortie |
148 |
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real fluxsens(klon), fluxlat(klon) |
149 |
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real tsol_rad(klon), tsurf_new(klon), alb_new(klon) |
150 |
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real emis_new(klon), z0_new(klon) |
151 |
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real pctsrf_new(klon,nbsrf) |
152 |
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! JLD |
153 |
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real zzpk |
154 |
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! |
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character (len = 20) :: modname = 'Debut clqh' |
156 |
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LOGICAL check |
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PARAMETER (check=.false.) |
158 |
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! |
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if (check) THEN |
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write(*,*) modname,' nisurf=',nisurf |
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!C call flush(6) |
162 |
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endif |
163 |
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! |
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if (check) THEN |
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WRITE(*,*)' qsurf (min, max)' & |
166 |
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, minval(qsurf(1:knon)), maxval(qsurf(1:knon)) |
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!C call flush(6) |
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ENDIF |
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! |
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! |
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if (iflag_pbl.eq.1) then |
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do k = 3, klev |
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do i = 1, knon |
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gamq(i,k)= 0.0 |
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gamt(i,k)= -1.0e-03 |
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guez |
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enddo |
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guez |
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enddo |
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do i = 1, knon |
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gamq(i,2) = 0.0 |
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gamt(i,2) = -2.5e-03 |
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enddo |
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else |
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do k = 2, klev |
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guez |
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do i = 1, knon |
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guez |
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gamq(i,k) = 0.0 |
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gamt(i,k) = 0.0 |
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guez |
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enddo |
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guez |
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enddo |
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endif |
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guez |
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191 |
guez |
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DO i = 1, knon |
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psref(i) = paprs(i,1) !pression de reference est celle au sol |
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local_ts(i) = ts(i) |
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ENDDO |
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DO k = 1, klev |
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DO i = 1, knon |
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zx_pkh(i,k) = (psref(i)/paprs(i,k))**RKAPPA |
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zx_pkf(i,k) = (psref(i)/pplay(i,k))**RKAPPA |
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local_h(i,k) = RCPD * t(i,k) * zx_pkf(i,k) |
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local_q(i,k) = q(i,k) |
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ENDDO |
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ENDDO |
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! |
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! Convertir les coefficients en variables convenables au calcul: |
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! |
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! |
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DO k = 2, klev |
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DO i = 1, knon |
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zx_coef(i,k) = coef(i,k)*RG/(pplay(i,k-1)-pplay(i,k)) & |
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*(paprs(i,k)*2/(t(i,k)+t(i,k-1))/RD)**2 |
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zx_coef(i,k) = zx_coef(i,k) * dtime*RG |
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ENDDO |
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ENDDO |
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! |
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! Preparer les flux lies aux contre-gardients |
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! |
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DO k = 2, klev |
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DO i = 1, knon |
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zdelz = RD * (t(i,k-1)+t(i,k))/2.0 / RG /paprs(i,k) & |
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*(pplay(i,k-1)-pplay(i,k)) |
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z_gamaq(i,k) = gamq(i,k) * zdelz |
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z_gamah(i,k) = gamt(i,k) * zdelz *RCPD * zx_pkh(i,k) |
223 |
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ENDDO |
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ENDDO |
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DO i = 1, knon |
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zx_buf1(i) = zx_coef(i,klev) + delp(i,klev) |
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zx_cq(i,klev) = (local_q(i,klev)*delp(i,klev) & |
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-zx_coef(i,klev)*z_gamaq(i,klev))/zx_buf1(i) |
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zx_dq(i,klev) = zx_coef(i,klev) / zx_buf1(i) |
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! |
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zzpk=(pplay(i,klev)/psref(i))**RKAPPA |
232 |
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zx_buf2(i) = zzpk*delp(i,klev) + zx_coef(i,klev) |
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zx_ch(i,klev) = (local_h(i,klev)*zzpk*delp(i,klev) & |
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-zx_coef(i,klev)*z_gamah(i,klev))/zx_buf2(i) |
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zx_dh(i,klev) = zx_coef(i,klev) / zx_buf2(i) |
236 |
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ENDDO |
237 |
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DO k = klev-1, 2 , -1 |
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DO i = 1, knon |
239 |
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zx_buf1(i) = delp(i,k)+zx_coef(i,k) & |
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+zx_coef(i,k+1)*(1.-zx_dq(i,k+1)) |
241 |
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zx_cq(i,k) = (local_q(i,k)*delp(i,k) & |
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+zx_coef(i,k+1)*zx_cq(i,k+1) & |
243 |
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+zx_coef(i,k+1)*z_gamaq(i,k+1) & |
244 |
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-zx_coef(i,k)*z_gamaq(i,k))/zx_buf1(i) |
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zx_dq(i,k) = zx_coef(i,k) / zx_buf1(i) |
246 |
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! |
247 |
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zzpk=(pplay(i,k)/psref(i))**RKAPPA |
248 |
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zx_buf2(i) = zzpk*delp(i,k)+zx_coef(i,k) & |
249 |
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+zx_coef(i,k+1)*(1.-zx_dh(i,k+1)) |
250 |
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zx_ch(i,k) = (local_h(i,k)*zzpk*delp(i,k) & |
251 |
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+zx_coef(i,k+1)*zx_ch(i,k+1) & |
252 |
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+zx_coef(i,k+1)*z_gamah(i,k+1) & |
253 |
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-zx_coef(i,k)*z_gamah(i,k))/zx_buf2(i) |
254 |
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zx_dh(i,k) = zx_coef(i,k) / zx_buf2(i) |
255 |
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ENDDO |
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ENDDO |
257 |
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! |
258 |
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! nouvelle formulation JL Dufresne |
259 |
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! |
260 |
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! q1 = zx_cq(i,1) + zx_dq(i,1) * Flux_Q(i,1) * dt |
261 |
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! h1 = zx_ch(i,1) + zx_dh(i,1) * Flux_H(i,1) * dt |
262 |
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! |
263 |
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DO i = 1, knon |
264 |
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zx_buf1(i) = delp(i,1) + zx_coef(i,2)*(1.-zx_dq(i,2)) |
265 |
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zx_cq(i,1) = (local_q(i,1)*delp(i,1) & |
266 |
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+zx_coef(i,2)*(z_gamaq(i,2)+zx_cq(i,2))) & |
267 |
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/zx_buf1(i) |
268 |
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zx_dq(i,1) = -1. * RG / zx_buf1(i) |
269 |
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! |
270 |
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zzpk=(pplay(i,1)/psref(i))**RKAPPA |
271 |
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zx_buf2(i) = zzpk*delp(i,1) + zx_coef(i,2)*(1.-zx_dh(i,2)) |
272 |
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zx_ch(i,1) = (local_h(i,1)*zzpk*delp(i,1) & |
273 |
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+zx_coef(i,2)*(z_gamah(i,2)+zx_ch(i,2))) & |
274 |
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/zx_buf2(i) |
275 |
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zx_dh(i,1) = -1. * RG / zx_buf2(i) |
276 |
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ENDDO |
277 |
guez |
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278 |
guez |
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! Appel a interfsurf (appel generique) routine d'interface avec la surface |
279 |
guez |
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280 |
guez |
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! initialisation |
281 |
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petAcoef =0. |
282 |
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peqAcoef = 0. |
283 |
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petBcoef =0. |
284 |
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peqBcoef = 0. |
285 |
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p1lay =0. |
286 |
guez |
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287 |
guez |
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! do i = 1, knon |
288 |
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petAcoef(1:knon) = zx_ch(1:knon,1) |
289 |
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peqAcoef(1:knon) = zx_cq(1:knon,1) |
290 |
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petBcoef(1:knon) = zx_dh(1:knon,1) |
291 |
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peqBcoef(1:knon) = zx_dq(1:knon,1) |
292 |
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tq_cdrag(1:knon) =coef(1:knon,1) |
293 |
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temp_air(1:knon) =t(1:knon,1) |
294 |
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epot_air(1:knon) =local_h(1:knon,1) |
295 |
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spechum(1:knon)=q(1:knon,1) |
296 |
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p1lay(1:knon) = pplay(1:knon,1) |
297 |
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zlev1(1:knon) = delp(1:knon,1) |
298 |
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! swnet = swdown * (1. - albedo) |
299 |
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! |
300 |
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!IM swdown=flux SW incident sur terres |
301 |
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!IM swdown=flux SW net sur les autres surfaces |
302 |
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!IM swdown(1:knon) = swnet(1:knon) |
303 |
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if(nisurf.eq.is_ter) THEN |
304 |
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swdown(1:knon) = swnet(1:knon)/(1-albedo(1:knon)) |
305 |
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else |
306 |
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swdown(1:knon) = swnet(1:knon) |
307 |
|
|
endif |
308 |
|
|
! enddo |
309 |
|
|
ccanopy = co2_ppm |
310 |
guez |
3 |
|
311 |
guez |
38 |
CALL interfsurf_hq(itime, dtime, date0, jour, rmu0, & |
312 |
|
|
klon, iim, jjm, nisurf, knon, knindex, pctsrf, & |
313 |
|
|
rlon, rlat, cufi, cvfi, & |
314 |
|
|
debut, lafin, ok_veget, soil_model, nsoilmx,tsoil, qsol, & |
315 |
|
|
zlev1, u1lay, v1lay, temp_air, spechum, epot_air, ccanopy, & |
316 |
|
|
tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, & |
317 |
|
|
precip_rain, precip_snow, sollw, sollwdown, swnet, swdown, & |
318 |
|
|
fder, taux, tauy, & |
319 |
|
|
ywindsp, rugos, rugoro, & |
320 |
|
|
albedo, snow, qsurf, & |
321 |
|
|
ts, p1lay, psref, radsol, & |
322 |
|
|
ocean, npas, nexca, zmasq, & |
323 |
|
|
evap, fluxsens, fluxlat, dflux_l, dflux_s, & |
324 |
|
|
tsol_rad, tsurf_new, alb_new, alblw, emis_new, z0_new, & |
325 |
|
|
pctsrf_new, agesno,fqcalving,ffonte, run_off_lic_0, & |
326 |
|
|
flux_o, flux_g, tslab, seaice) |
327 |
guez |
3 |
|
328 |
|
|
|
329 |
guez |
38 |
do i = 1, knon |
330 |
|
|
flux_t(i,1) = fluxsens(i) |
331 |
|
|
flux_q(i,1) = - evap(i) |
332 |
|
|
d_ts(i) = tsurf_new(i) - ts(i) |
333 |
|
|
albedo(i) = alb_new(i) |
334 |
|
|
enddo |
335 |
|
|
|
336 |
|
|
!==== une fois on a zx_h_ts, on peut faire l'iteration ======== |
337 |
|
|
DO i = 1, knon |
338 |
|
|
local_h(i,1) = zx_ch(i,1) + zx_dh(i,1)*flux_t(i,1)*dtime |
339 |
|
|
local_q(i,1) = zx_cq(i,1) + zx_dq(i,1)*flux_q(i,1)*dtime |
340 |
|
|
ENDDO |
341 |
|
|
DO k = 2, klev |
342 |
|
|
DO i = 1, knon |
343 |
guez |
3 |
local_q(i,k) = zx_cq(i,k) + zx_dq(i,k)*local_q(i,k-1) |
344 |
|
|
local_h(i,k) = zx_ch(i,k) + zx_dh(i,k)*local_h(i,k-1) |
345 |
guez |
38 |
ENDDO |
346 |
|
|
ENDDO |
347 |
|
|
!====================================================================== |
348 |
|
|
!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas |
349 |
|
|
!== flux_t est le flux de cpt (energie sensible): j/(m**2 s) |
350 |
|
|
DO k = 2, klev |
351 |
|
|
DO i = 1, knon |
352 |
|
|
flux_q(i,k) = (zx_coef(i,k)/RG/dtime) & |
353 |
|
|
* (local_q(i,k)-local_q(i,k-1)+z_gamaq(i,k)) |
354 |
|
|
flux_t(i,k) = (zx_coef(i,k)/RG/dtime) & |
355 |
|
|
* (local_h(i,k)-local_h(i,k-1)+z_gamah(i,k)) & |
356 |
|
|
/ zx_pkh(i,k) |
357 |
|
|
ENDDO |
358 |
|
|
ENDDO |
359 |
|
|
!====================================================================== |
360 |
|
|
! Calcul tendances |
361 |
|
|
DO k = 1, klev |
362 |
|
|
DO i = 1, knon |
363 |
|
|
d_t(i,k) = local_h(i,k)/zx_pkf(i,k)/RCPD - t(i,k) |
364 |
|
|
d_q(i,k) = local_q(i,k) - q(i,k) |
365 |
|
|
ENDDO |
366 |
|
|
ENDDO |
367 |
guez |
3 |
|
368 |
guez |
38 |
END SUBROUTINE clqh |