1 |
SUBROUTINE clqh(dtime,itime, date0,jour,debut,lafin, & |
2 |
rlon, rlat, cufi, cvfi, & |
3 |
knon, nisurf, knindex, pctsrf, & |
4 |
soil_model,tsoil,qsol, & |
5 |
ok_veget, ocean, npas, nexca, & |
6 |
rmu0, co2_ppm, rugos, rugoro, & |
7 |
u1lay,v1lay,coef, & |
8 |
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, & |
11 |
sollw, sollwdown, swnet,fluxlat, & |
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pctsrf_new, agesno, & |
13 |
d_t, d_q, d_ts, z0_new, & |
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flux_t, flux_q,dflux_s,dflux_l, & |
15 |
fqcalving,ffonte,run_off_lic_0, & |
16 |
flux_o,flux_g,tslab,seaice) |
17 |
|
18 |
use conf_phys_m |
19 |
use dimens_m |
20 |
use dimphy |
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use dimsoil |
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use fcttre |
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use indicesol |
24 |
USE interface_surf |
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use iniprint |
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use suphec_m, only: rcpd, rd, rg, rkappa |
27 |
use YOMCST |
28 |
use yoethf_m |
29 |
|
30 |
IMPLICIT none |
31 |
|
32 |
! Auteur(s): Z.X. Li (LMD/CNRS) date: 19930818 |
33 |
! Objet: diffusion verticale de "q" et de "h" |
34 |
|
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! Arguments: |
36 |
INTEGER knon |
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REAL, intent(in):: dtime ! intervalle du temps (s) |
38 |
real date0 |
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REAL u1lay(klon) ! vitesse u de la 1ere couche (m/s) |
40 |
REAL v1lay(klon) ! vitesse v de la 1ere couche (m/s) |
41 |
REAL coef(klon,klev) ! le coefficient d'echange (m**2/s) |
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! multiplie par le cisaillement du |
43 |
! vent (dV/dz); la premiere valeur |
44 |
! 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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|
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|
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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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!====================================================================== |
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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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!====================================================================== |
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INTEGER i, k |
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REAL zx_cq(klon,klev) |
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REAL zx_dq(klon,klev) |
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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) |
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REAL zx_buf2(klon) |
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REAL zx_coef(klon,klev) |
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REAL local_h(klon,klev) ! enthalpie potentielle |
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REAL local_q(klon,klev) |
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REAL local_ts(klon) |
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REAL psref(klon) ! pression de reference pour temperature potent. |
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REAL zx_pkh(klon,klev), zx_pkf(klon,klev) |
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!====================================================================== |
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! contre-gradient pour la vapeur d'eau: (kg/kg)/metre |
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REAL gamq(klon,2:klev) |
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! contre-gradient pour la chaleur sensible: Kelvin/metre |
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REAL gamt(klon,2:klev) |
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REAL z_gamaq(klon,2:klev), z_gamah(klon,2:klev) |
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REAL zdelz |
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!====================================================================== |
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!====================================================================== |
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! Rajout pour l'interface |
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integer, intent(in):: itime |
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integer nisurf |
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logical, intent(in):: debut |
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logical, intent(in):: lafin |
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real zlev1(klon) |
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real fder(klon), taux(klon), tauy(klon) |
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real temp_air(klon), spechum(klon) |
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real epot_air(klon), ccanopy(klon) |
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real tq_cdrag(klon), petAcoef(klon), peqAcoef(klon) |
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real petBcoef(klon), peqBcoef(klon) |
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real sollw(klon), sollwdown(klon), swnet(klon), swdown(klon) |
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real p1lay(klon) |
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!$$$C PB ajout pour soil |
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LOGICAL, intent(in):: soil_model |
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REAL tsoil(klon, nsoilmx) |
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REAL qsol(klon) |
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|
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! Parametres de sortie |
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real fluxsens(klon), fluxlat(klon) |
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real tsol_rad(klon), tsurf_new(klon), alb_new(klon) |
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real emis_new(klon), z0_new(klon) |
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real pctsrf_new(klon,nbsrf) |
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! JLD |
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real zzpk |
154 |
! |
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character (len = 20) :: modname = 'Debut clqh' |
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LOGICAL check |
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PARAMETER (check=.false.) |
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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) |
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endif |
163 |
! |
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if (check) THEN |
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WRITE(*,*)' qsurf (min, max)' & |
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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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! |
170 |
! |
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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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enddo |
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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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do i = 1, knon |
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gamq(i,k) = 0.0 |
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gamt(i,k) = 0.0 |
187 |
enddo |
188 |
enddo |
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endif |
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|
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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 |
203 |
! |
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! Convertir les coefficients en variables convenables au calcul: |
205 |
! |
206 |
! |
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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 |
216 |
! |
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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) |
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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 |
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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) |
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ENDDO |
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DO k = klev-1, 2 , -1 |
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DO i = 1, knon |
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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)) |
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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) & |
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+zx_coef(i,k+1)*z_gamaq(i,k+1) & |
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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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zzpk=(pplay(i,k)/psref(i))**RKAPPA |
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zx_buf2(i) = zzpk*delp(i,k)+zx_coef(i,k) & |
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+zx_coef(i,k+1)*(1.-zx_dh(i,k+1)) |
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zx_ch(i,k) = (local_h(i,k)*zzpk*delp(i,k) & |
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+zx_coef(i,k+1)*zx_ch(i,k+1) & |
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+zx_coef(i,k+1)*z_gamah(i,k+1) & |
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-zx_coef(i,k)*z_gamah(i,k))/zx_buf2(i) |
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zx_dh(i,k) = zx_coef(i,k) / zx_buf2(i) |
255 |
ENDDO |
256 |
ENDDO |
257 |
! |
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! nouvelle formulation JL Dufresne |
259 |
! |
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! q1 = zx_cq(i,1) + zx_dq(i,1) * Flux_Q(i,1) * dt |
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! h1 = zx_ch(i,1) + zx_dh(i,1) * Flux_H(i,1) * dt |
262 |
! |
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DO i = 1, knon |
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zx_buf1(i) = delp(i,1) + zx_coef(i,2)*(1.-zx_dq(i,2)) |
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zx_cq(i,1) = (local_q(i,1)*delp(i,1) & |
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+zx_coef(i,2)*(z_gamaq(i,2)+zx_cq(i,2))) & |
267 |
/zx_buf1(i) |
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zx_dq(i,1) = -1. * RG / zx_buf1(i) |
269 |
! |
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zzpk=(pplay(i,1)/psref(i))**RKAPPA |
271 |
zx_buf2(i) = zzpk*delp(i,1) + zx_coef(i,2)*(1.-zx_dh(i,2)) |
272 |
zx_ch(i,1) = (local_h(i,1)*zzpk*delp(i,1) & |
273 |
+zx_coef(i,2)*(z_gamah(i,2)+zx_ch(i,2))) & |
274 |
/zx_buf2(i) |
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zx_dh(i,1) = -1. * RG / zx_buf2(i) |
276 |
ENDDO |
277 |
|
278 |
! Appel a interfsurf (appel generique) routine d'interface avec la surface |
279 |
|
280 |
! initialisation |
281 |
petAcoef =0. |
282 |
peqAcoef = 0. |
283 |
petBcoef =0. |
284 |
peqBcoef = 0. |
285 |
p1lay =0. |
286 |
|
287 |
! do i = 1, knon |
288 |
petAcoef(1:knon) = zx_ch(1:knon,1) |
289 |
peqAcoef(1:knon) = zx_cq(1:knon,1) |
290 |
petBcoef(1:knon) = zx_dh(1:knon,1) |
291 |
peqBcoef(1:knon) = zx_dq(1:knon,1) |
292 |
tq_cdrag(1:knon) =coef(1:knon,1) |
293 |
temp_air(1:knon) =t(1:knon,1) |
294 |
epot_air(1:knon) =local_h(1:knon,1) |
295 |
spechum(1:knon)=q(1:knon,1) |
296 |
p1lay(1:knon) = pplay(1:knon,1) |
297 |
zlev1(1:knon) = delp(1:knon,1) |
298 |
! swnet = swdown * (1. - albedo) |
299 |
! |
300 |
!IM swdown=flux SW incident sur terres |
301 |
!IM swdown=flux SW net sur les autres surfaces |
302 |
!IM swdown(1:knon) = swnet(1:knon) |
303 |
if(nisurf.eq.is_ter) THEN |
304 |
swdown(1:knon) = swnet(1:knon)/(1-albedo(1:knon)) |
305 |
else |
306 |
swdown(1:knon) = swnet(1:knon) |
307 |
endif |
308 |
! enddo |
309 |
ccanopy = co2_ppm |
310 |
|
311 |
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 |
|
328 |
|
329 |
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 |
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 |
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 |
|
368 |
END SUBROUTINE clqh |