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module clqh_m |
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IMPLICIT none |
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contains |
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SUBROUTINE clqh(dtime, itime, jour, debut, rlat, knon, nisurf, knindex, & |
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pctsrf, soil_model, tsoil, qsol, ok_veget, ocean, rmu0, co2_ppm, & |
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rugos, rugoro, u1lay, v1lay, coef, t, q, ts, paprs, pplay, delp, & |
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radsol, albedo, alblw, snow, qsurf, precip_rain, precip_snow, fder, & |
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swnet, fluxlat, pctsrf_new, agesno, d_t, d_q, d_ts, z0_new, flux_t, & |
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flux_q, dflux_s, dflux_l, fqcalving, ffonte, run_off_lic_0, flux_o, & |
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flux_g, tslab, seaice) |
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! Author: Z. X. Li (LMD/CNRS) |
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! Date: 1993/08/18 |
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! Objet : diffusion verticale de "q" et de "h" |
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USE conf_phys_m, ONLY : iflag_pbl |
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USE dimens_m, ONLY : iim, jjm |
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USE dimphy, ONLY : klev, klon, zmasq |
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USE dimsoil, ONLY : nsoilmx |
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USE indicesol, ONLY : is_ter, nbsrf |
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USE interfsurf_hq_m, ONLY : interfsurf_hq |
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USE suphec_m, ONLY : rcpd, rd, rg, rkappa |
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! Arguments: |
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INTEGER, intent(in):: knon |
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REAL, intent(in):: dtime ! intervalle du temps (s) |
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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, intent(in):: coef(:, :) ! (knon, klev) |
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! Le coefficient d'echange (m**2/s) multiplie par le cisaillement |
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! du vent (dV/dz). La premiere valeur indique la valeur de Cdrag |
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! (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, intent(in):: jour ! jour de l'annee en cours |
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real, intent(in):: 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, intent(in):: pctsrf(klon, nbsrf) |
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real, intent(in):: rlat(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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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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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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! 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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! 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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real zlev1(klon) |
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real fder(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 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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! Parametres de sortie |
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real fluxsens(klon), fluxlat(klon) |
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real tsurf_new(klon), alb_new(klon) |
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real z0_new(klon) |
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real pctsrf_new(klon, nbsrf) |
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! JLD |
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real zzpk |
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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 |
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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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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 |
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enddo |
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enddo |
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endif |
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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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! Convertir les coefficients en variables convenables au calcul: |
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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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! Preparer les flux lies aux contre-gardients |
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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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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) |
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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) |
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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) = 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))) & |
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/zx_buf1(i) |
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zx_dq(i, 1) = -1. * RG / zx_buf1(i) |
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zzpk=(pplay(i, 1)/psref(i))**RKAPPA |
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zx_buf2(i) = zzpk*delp(i, 1) + zx_coef(i, 2)*(1.-zx_dh(i, 2)) |
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zx_ch(i, 1) = (local_h(i, 1)*zzpk*delp(i, 1) & |
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+zx_coef(i, 2)*(z_gamah(i, 2)+zx_ch(i, 2))) & |
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/zx_buf2(i) |
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zx_dh(i, 1) = -1. * RG / zx_buf2(i) |
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ENDDO |
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! Appel a interfsurf (appel generique) routine d'interface avec la surface |
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! initialisation |
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petAcoef =0. |
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peqAcoef = 0. |
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petBcoef =0. |
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peqBcoef = 0. |
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p1lay =0. |
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petAcoef(1:knon) = zx_ch(1:knon, 1) |
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peqAcoef(1:knon) = zx_cq(1:knon, 1) |
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petBcoef(1:knon) = zx_dh(1:knon, 1) |
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peqBcoef(1:knon) = zx_dq(1:knon, 1) |
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tq_cdrag(1:knon) =coef(:knon, 1) |
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temp_air(1:knon) =t(1:knon, 1) |
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epot_air(1:knon) =local_h(1:knon, 1) |
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spechum(1:knon)=q(1:knon, 1) |
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p1lay(1:knon) = pplay(1:knon, 1) |
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zlev1(1:knon) = delp(1:knon, 1) |
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if(nisurf.eq.is_ter) THEN |
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swdown(1:knon) = swnet(1:knon)/(1-albedo(1:knon)) |
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else |
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swdown(1:knon) = swnet(1:knon) |
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endif |
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ccanopy = co2_ppm |
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CALL interfsurf_hq(itime, dtime, jour, rmu0, iim, jjm, & |
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nisurf, knon, knindex, pctsrf, rlat, debut, & |
| 278 |
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ok_veget, soil_model, nsoilmx, tsoil, qsol, u1lay, v1lay, & |
| 279 |
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temp_air, spechum, tq_cdrag, petAcoef, peqAcoef, & |
| 280 |
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petBcoef, peqBcoef, precip_rain, precip_snow, & |
| 281 |
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fder, rugos, rugoro, & |
| 282 |
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snow, qsurf, ts, p1lay, psref, radsol, ocean, & |
| 283 |
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evap, fluxsens, fluxlat, dflux_l, dflux_s, tsurf_new, & |
| 284 |
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alb_new, alblw, z0_new, pctsrf_new, agesno, fqcalving, & |
| 285 |
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ffonte, run_off_lic_0, flux_o, flux_g, tslab, seaice) |
| 286 |
guez |
49 |
|
| 287 |
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do i = 1, knon |
| 288 |
|
|
flux_t(i, 1) = fluxsens(i) |
| 289 |
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flux_q(i, 1) = - evap(i) |
| 290 |
|
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d_ts(i) = tsurf_new(i) - ts(i) |
| 291 |
|
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albedo(i) = alb_new(i) |
| 292 |
|
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enddo |
| 293 |
|
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| 294 |
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!==== une fois on a zx_h_ts, on peut faire l'iteration ======== |
| 295 |
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DO i = 1, knon |
| 296 |
|
|
local_h(i, 1) = zx_ch(i, 1) + zx_dh(i, 1)*flux_t(i, 1)*dtime |
| 297 |
|
|
local_q(i, 1) = zx_cq(i, 1) + zx_dq(i, 1)*flux_q(i, 1)*dtime |
| 298 |
|
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ENDDO |
| 299 |
|
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DO k = 2, klev |
| 300 |
|
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DO i = 1, knon |
| 301 |
|
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local_q(i, k) = zx_cq(i, k) + zx_dq(i, k)*local_q(i, k-1) |
| 302 |
|
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local_h(i, k) = zx_ch(i, k) + zx_dh(i, k)*local_h(i, k-1) |
| 303 |
|
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ENDDO |
| 304 |
|
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ENDDO |
| 305 |
|
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!====================================================================== |
| 306 |
|
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!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas |
| 307 |
|
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!== flux_t est le flux de cpt (energie sensible): j/(m**2 s) |
| 308 |
|
|
DO k = 2, klev |
| 309 |
|
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DO i = 1, knon |
| 310 |
|
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flux_q(i, k) = (zx_coef(i, k)/RG/dtime) & |
| 311 |
|
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* (local_q(i, k)-local_q(i, k-1)+z_gamaq(i, k)) |
| 312 |
|
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flux_t(i, k) = (zx_coef(i, k)/RG/dtime) & |
| 313 |
|
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* (local_h(i, k)-local_h(i, k-1)+z_gamah(i, k)) & |
| 314 |
|
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/ zx_pkh(i, k) |
| 315 |
|
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ENDDO |
| 316 |
|
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ENDDO |
| 317 |
|
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!====================================================================== |
| 318 |
|
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! Calcul tendances |
| 319 |
|
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DO k = 1, klev |
| 320 |
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DO i = 1, knon |
| 321 |
|
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d_t(i, k) = local_h(i, k)/zx_pkf(i, k)/RCPD - t(i, k) |
| 322 |
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d_q(i, k) = local_q(i, k) - q(i, k) |
| 323 |
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ENDDO |
| 324 |
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ENDDO |
| 325 |
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| 326 |
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END SUBROUTINE clqh |
| 327 |
|
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| 328 |
|
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end module clqh_m |
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