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MODULE interface_surf |
MODULE interface_surf |
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! From phylmd/interface_surf.F90, version 1.8 2005/05/25 13:10:09 |
! From phylmd/interface_surf.F90, version 1.8 2005/05/25 13:10:09 |
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! Ce module regroupe toutes les routines gérant l'interface entre le |
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! modèle atmosphérique et les modèles de surface (sols continentaux, |
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! océans, glaces). Les routines sont les suivantes. "interfsurf_hq" : |
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! routine d'aiguillage vers les interfaces avec les différents |
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! modèles de surface ; "interfoce_*" : routines d'interface proprement |
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! dites. |
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! L. Fairhead, LMD, february 2000 |
! L. Fairhead, LMD, february 2000 |
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IMPLICIT none |
IMPLICIT none |
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PRIVATE |
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PUBLIC :: interfsurf_hq |
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! run_off ruissellement total |
! run_off ruissellement total |
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REAL, ALLOCATABLE, DIMENSION(:), SAVE :: run_off, run_off_lic |
REAL, ALLOCATABLE, DIMENSION(:), SAVE :: run_off, run_off_lic |
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real, allocatable, dimension(:), save :: coastalflow, riverflow |
real, allocatable, dimension(:), save :: coastalflow, riverflow |
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! pour simuler la fonte des glaciers antarctiques |
! pour simuler la fonte des glaciers antarctiques |
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REAL, save :: tau_calv |
REAL, save :: tau_calv |
| 15 |
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CONTAINS |
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SUBROUTINE interfsurf_hq(itime, dtime, date0, jour, rmu0, klon, iim, jjm, & |
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nisurf, knon, knindex, pctsrf, rlon, rlat, cufi, cvfi, debut, lafin, & |
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ok_veget, soil_model, nsoilmx, tsoil, qsol, zlev, u1_lay, v1_lay, & |
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temp_air, spechum, epot_air, ccanopy, tq_cdrag, petAcoef, peqAcoef, & |
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petBcoef, peqBcoef, precip_rain, precip_snow, sollw, sollwdown, swnet, & |
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swdown, fder, taux, tauy, windsp, rugos, rugoro, albedo, snow, qsurf, & |
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tsurf, p1lay, ps, radsol, ocean, npas, nexca, zmasq, evap, fluxsens, & |
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fluxlat, dflux_l, dflux_s, tsol_rad, tsurf_new, alb_new, alblw, & |
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emis_new, z0_new, pctsrf_new, agesno, fqcalving, ffonte, & |
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run_off_lic_0, flux_o, flux_g, tslab, seaice) |
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! Cette routine sert d'aiguillage entre l'atmosphère et la surface |
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! en général (sols continentaux, océans, glaces) pour les flux de |
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! chaleur et d'humidité. |
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! En pratique l'interface se fait entre la couche limite du modèle |
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! atmosphérique ("clmain.F") et les routines de surface |
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! ("sechiba", "oasis"...). |
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! L.Fairhead 02/2000 |
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use abort_gcm_m, only: abort_gcm |
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use gath_cpl, only: gath2cpl |
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use indicesol |
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use SUPHEC_M |
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use albsno_m, only: albsno |
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! Parametres d'entree |
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! input: |
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! klon nombre total de points de grille |
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! iim, jjm nbres de pts de grille |
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! dtime pas de temps de la physique (en s) |
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! date0 jour initial |
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! jour jour dans l'annee en cours, |
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! rmu0 cosinus de l'angle solaire zenithal |
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! nexca pas de temps couplage |
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! nisurf index de la surface a traiter (1 = sol continental) |
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! knon nombre de points de la surface a traiter |
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! knindex index des points de la surface a traiter |
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! pctsrf tableau des pourcentages de surface de chaque maille |
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! rlon longitudes |
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! rlat latitudes |
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! cufi, cvfi resolution des mailles en x et y (m) |
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! debut logical: 1er appel a la physique |
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! lafin logical: dernier appel a la physique |
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! ok_veget logical: appel ou non au schema de surface continental |
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! (si false calcul simplifie des fluxs sur les continents) |
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! zlev hauteur de la premiere couche |
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! u1_lay vitesse u 1ere couche |
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! v1_lay vitesse v 1ere couche |
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! temp_air temperature de l'air 1ere couche |
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! spechum humidite specifique 1ere couche |
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! epot_air temp potentielle de l'air |
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! ccanopy concentration CO2 canopee |
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! tq_cdrag cdrag |
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! petAcoef coeff. A de la resolution de la CL pour t |
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! peqAcoef coeff. A de la resolution de la CL pour q |
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! petBcoef coeff. B de la resolution de la CL pour t |
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! peqBcoef coeff. B de la resolution de la CL pour q |
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! precip_rain precipitation liquide |
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! precip_snow precipitation solide |
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! sollw flux IR net a la surface |
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! sollwdown flux IR descendant a la surface |
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! swnet flux solaire net |
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! swdown flux solaire entrant a la surface |
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! albedo albedo de la surface |
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! tsurf temperature de surface |
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! tslab temperature slab ocean |
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! pctsrf_slab pourcentages (0-1) des sous-surfaces dans le slab |
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! tmp_pctsrf_slab = pctsrf_slab |
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! p1lay pression 1er niveau (milieu de couche) |
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! ps pression au sol |
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! radsol rayonnement net aus sol (LW + SW) |
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! ocean type d'ocean utilise ("force" ou "slab" mais pas "couple") |
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! fder derivee des flux (pour le couplage) |
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! taux, tauy tension de vents |
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! windsp module du vent a 10m |
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! rugos rugosite |
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! zmasq masque terre/ocean |
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! rugoro rugosite orographique |
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! run_off_lic_0 runoff glacier du pas de temps precedent |
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integer, intent(IN) :: itime ! numero du pas de temps |
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integer, intent(IN) :: iim, jjm |
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integer, intent(IN) :: klon |
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real, intent(IN) :: dtime |
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real, intent(IN) :: date0 |
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integer, intent(IN) :: jour |
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real, intent(IN) :: rmu0(klon) |
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integer, intent(IN) :: nisurf |
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integer, intent(IN) :: knon |
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integer, dimension(klon), intent(in) :: knindex |
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real, dimension(klon, nbsrf), intent(IN) :: pctsrf |
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logical, intent(IN) :: debut, lafin, ok_veget |
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real, dimension(klon), intent(IN) :: rlon, rlat |
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real, dimension(klon), intent(IN) :: cufi, cvfi |
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real, dimension(klon), intent(INOUT) :: tq_cdrag |
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real, dimension(klon), intent(IN) :: zlev |
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real, dimension(klon), intent(IN) :: u1_lay, v1_lay |
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real, dimension(klon), intent(IN) :: temp_air, spechum |
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real, dimension(klon), intent(IN) :: epot_air, ccanopy |
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real, dimension(klon), intent(IN) :: petAcoef, peqAcoef |
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real, dimension(klon), intent(IN) :: petBcoef, peqBcoef |
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real, dimension(klon), intent(IN) :: precip_rain, precip_snow |
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real, dimension(klon), intent(IN) :: sollw, sollwdown, swnet, swdown |
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real, dimension(klon), intent(IN) :: ps, albedo |
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real, dimension(klon), intent(IN) :: tsurf, p1lay |
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!IM: "slab" ocean |
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real, dimension(klon), intent(INOUT) :: tslab |
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real, allocatable, dimension(:), save :: tmp_tslab |
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real, dimension(klon), intent(OUT) :: flux_o, flux_g |
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real, dimension(klon), intent(INOUT) :: seaice ! glace de mer (kg/m2) |
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REAL, DIMENSION(klon), INTENT(INOUT) :: radsol, fder |
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real, dimension(klon), intent(IN) :: zmasq |
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real, dimension(klon), intent(IN) :: taux, tauy, rugos, rugoro |
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real, dimension(klon), intent(IN) :: windsp |
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character(len=*), intent(IN):: ocean |
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integer :: npas, nexca ! nombre et pas de temps couplage |
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real, dimension(klon), intent(INOUT) :: evap, snow, qsurf |
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!! PB ajout pour soil |
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logical, intent(in):: soil_model |
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integer :: nsoilmx |
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REAL, DIMENSION(klon, nsoilmx) :: tsoil |
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REAL, dimension(klon), intent(INOUT) :: qsol |
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REAL, dimension(klon) :: soilcap |
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REAL, dimension(klon) :: soilflux |
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! Parametres de sortie |
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! output: |
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! evap evaporation totale |
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! fluxsens flux de chaleur sensible |
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! fluxlat flux de chaleur latente |
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! tsol_rad |
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! tsurf_new temperature au sol |
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! alb_new albedo |
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! emis_new emissivite |
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! z0_new surface roughness |
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! pctsrf_new nouvelle repartition des surfaces |
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real, dimension(klon), intent(OUT):: fluxsens, fluxlat |
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real, dimension(klon), intent(OUT):: tsol_rad, tsurf_new, alb_new |
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real, dimension(klon), intent(OUT):: alblw |
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real, dimension(klon), intent(OUT):: emis_new, z0_new |
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real, dimension(klon), intent(OUT):: dflux_l, dflux_s |
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real, dimension(klon, nbsrf), intent(OUT) :: pctsrf_new |
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real, dimension(klon), intent(INOUT):: agesno |
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real, dimension(klon), intent(INOUT):: run_off_lic_0 |
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! Flux thermique utiliser pour fondre la neige |
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!jld a rajouter real, dimension(klon), intent(INOUT):: ffonte |
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real, dimension(klon), intent(INOUT):: ffonte |
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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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!jld a rajouter real, dimension(klon), intent(INOUT):: fqcalving |
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real, dimension(klon), intent(INOUT):: fqcalving |
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!IM: "slab" ocean - Local |
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real, parameter :: t_grnd=271.35 |
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real, dimension(klon) :: zx_sl |
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integer i |
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real, allocatable, dimension(:), save :: tmp_flux_o, tmp_flux_g |
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real, allocatable, dimension(:), save :: tmp_radsol |
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real, allocatable, dimension(:, :), save :: tmp_pctsrf_slab |
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real, allocatable, dimension(:), save :: tmp_seaice |
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! Local |
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character (len = 20), save :: modname = 'interfsurf_hq' |
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character (len = 80) :: abort_message |
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logical, save :: first_call = .true. |
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integer, save :: error |
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integer :: ii |
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logical, save :: check = .false. |
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real, dimension(klon):: cal, beta, dif_grnd, capsol |
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real, parameter :: calice=1.0/(5.1444e+06*0.15), tau_gl=86400.*5. |
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real, parameter :: calsno=1./(2.3867e+06*.15) |
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real, dimension(klon):: tsurf_temp |
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real, dimension(klon):: alb_neig, alb_eau |
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real, DIMENSION(klon):: zfra |
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logical :: cumul = .false. |
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INTEGER, dimension(1) :: iloc |
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real, dimension(klon):: fder_prev |
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REAL, dimension(klon) :: bidule |
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!------------------------------------------------------------- |
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if (check) write(*, *) 'Entree ', modname |
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! On doit commencer par appeler les schemas de surfaces continentales |
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! car l'ocean a besoin du ruissellement qui est y calcule |
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if (first_call) then |
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call conf_interface(tau_calv) |
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if (nisurf /= is_ter .and. klon > 1) then |
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write(*, *)' *** Warning ***' |
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write(*, *)' nisurf = ', nisurf, ' /= is_ter = ', is_ter |
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write(*, *)'or on doit commencer par les surfaces continentales' |
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abort_message='voir ci-dessus' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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if (ocean /= 'slab' .and. ocean /= 'force') then |
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write(*, *)' *** Warning ***' |
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write(*, *)'Option couplage pour l''ocean = ', ocean |
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abort_message='option pour l''ocean non valable' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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if ( is_oce > is_sic ) then |
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write(*, *)' *** Warning ***' |
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write(*, *)' Pour des raisons de sequencement dans le code' |
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write(*, *)' l''ocean doit etre traite avant la banquise' |
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write(*, *)' or is_oce = ', is_oce, '> is_sic = ', is_sic |
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abort_message='voir ci-dessus' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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endif |
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first_call = .false. |
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! Initialisations diverses |
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ffonte(1:knon)=0. |
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fqcalving(1:knon)=0. |
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cal = 999999. ; beta = 999999. ; dif_grnd = 999999. ; capsol = 999999. |
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alb_new = 999999. ; z0_new = 999999. ; alb_neig = 999999. |
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tsurf_new = 999999. |
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alblw = 999999. |
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!IM: "slab" ocean; initialisations |
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flux_o = 0. |
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flux_g = 0. |
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if (.not. allocated(tmp_flux_o)) then |
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allocate(tmp_flux_o(klon), stat = error) |
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DO i=1, knon |
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tmp_flux_o(knindex(i))=flux_o(i) |
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ENDDO |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_flux_o' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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endif |
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if (.not. allocated(tmp_flux_g)) then |
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allocate(tmp_flux_g(klon), stat = error) |
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DO i=1, knon |
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tmp_flux_g(knindex(i))=flux_g(i) |
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ENDDO |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_flux_g' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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endif |
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if (.not. allocated(tmp_radsol)) then |
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allocate(tmp_radsol(klon), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_radsol' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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endif |
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DO i=1, knon |
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tmp_radsol(knindex(i))=radsol(i) |
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ENDDO |
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if (.not. allocated(tmp_pctsrf_slab)) then |
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allocate(tmp_pctsrf_slab(klon, nbsrf), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_pctsrf_slab' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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DO i=1, klon |
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tmp_pctsrf_slab(i, 1:nbsrf)=pctsrf(i, 1:nbsrf) |
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ENDDO |
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endif |
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if (.not. allocated(tmp_seaice)) then |
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allocate(tmp_seaice(klon), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_seaice' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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DO i=1, klon |
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tmp_seaice(i)=seaice(i) |
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ENDDO |
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endif |
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if (.not. allocated(tmp_tslab)) then |
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allocate(tmp_tslab(klon), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_tslab' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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endif |
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DO i=1, klon |
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tmp_tslab(i)=tslab(i) |
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ENDDO |
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! Aiguillage vers les differents schemas de surface |
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if (nisurf == is_ter) then |
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! Surface "terre" appel a l'interface avec les sols continentaux |
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! allocation du run-off |
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if (.not. allocated(coastalflow)) then |
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allocate(coastalflow(knon), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation coastalflow' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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allocate(riverflow(knon), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation riverflow' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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allocate(run_off(knon), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation run_off' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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!cym |
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run_off=0.0 |
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!cym |
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!!$PB |
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ALLOCATE (tmp_rriv(iim, jjm+1), stat=error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_rriv' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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ALLOCATE (tmp_rcoa(iim, jjm+1), stat=error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_rcoa' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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ALLOCATE (tmp_rlic(iim, jjm+1), stat=error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_rlic' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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tmp_rriv = 0.0 |
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tmp_rcoa = 0.0 |
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tmp_rlic = 0.0 |
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!!$ |
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else if (size(coastalflow) /= knon) then |
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write(*, *)'Bizarre, le nombre de points continentaux' |
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write(*, *)'a change entre deux appels. J''arrete ...' |
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abort_message='voir ci-dessus' |
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call abort_gcm(modname, abort_message, 1) |
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endif |
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coastalflow = 0. |
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riverflow = 0. |
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! Calcul age de la neige |
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if (.not. ok_veget) then |
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! calcul albedo: lecture albedo fichier boundary conditions |
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! puis ajout albedo neige |
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call interfsur_lim(itime, dtime, jour, klon, nisurf, knon, knindex, & |
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debut, alb_new, z0_new) |
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! calcul snow et qsurf, hydrol adapté |
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CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
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IF (soil_model) THEN |
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CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, & |
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soilflux) |
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cal(1:knon) = RCPD / soilcap(1:knon) |
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radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
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ELSE |
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cal = RCPD * capsol |
|
|
ENDIF |
|
|
CALL calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
precip_rain, precip_snow, snow, qsurf, & |
|
|
radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
|
|
|
CALL fonte_neige( klon, knon, nisurf, dtime, & |
|
|
tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
precip_rain, precip_snow, snow, qsol, & |
|
|
radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
|
|
fqcalving, ffonte, run_off_lic_0) |
|
|
|
|
|
call albsno(klon, knon, dtime, agesno, alb_neig, precip_snow) |
|
|
where (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
|
|
zfra(1:knon) = max(0.0, min(1.0, snow(1:knon)/(snow(1:knon)+10.0))) |
|
|
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
|
|
alb_new(1 : knon)*(1.0-zfra(1:knon)) |
|
|
z0_new = sqrt(z0_new**2+rugoro**2) |
|
|
alblw(1 : knon) = alb_new(1 : knon) |
|
|
endif |
|
|
|
|
|
! Remplissage des pourcentages de surface |
|
|
pctsrf_new(:, nisurf) = pctsrf(:, nisurf) |
|
|
else if (nisurf == is_oce) then |
|
|
! Surface "ocean" appel a l'interface avec l'ocean |
|
|
if (ocean == 'slab') then |
|
|
tsurf_new = tsurf |
|
|
pctsrf_new = tmp_pctsrf_slab |
|
|
else |
|
|
! lecture conditions limites |
|
|
call interfoce_lim(itime, dtime, jour, klon, nisurf, knon, knindex, & |
|
|
debut, tsurf_new, pctsrf_new) |
|
|
endif |
|
|
|
|
|
tsurf_temp = tsurf_new |
|
|
cal = 0. |
|
|
beta = 1. |
|
|
dif_grnd = 0. |
|
|
alb_neig = 0. |
|
|
agesno = 0. |
|
|
|
|
|
call calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
precip_rain, precip_snow, snow, qsurf, & |
|
|
radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
|
|
|
fder_prev = fder |
|
|
fder = fder_prev + dflux_s + dflux_l |
|
|
|
|
|
iloc = maxloc(fder(1:klon)) |
|
|
if (check.and.fder(iloc(1))> 0.) then |
|
|
WRITE(*, *)'**** Debug fder****' |
|
|
WRITE(*, *)'max fder(', iloc(1), ') = ', fder(iloc(1)) |
|
|
WRITE(*, *)'fder_prev, dflux_s, dflux_l', fder_prev(iloc(1)), & |
|
|
dflux_s(iloc(1)), dflux_l(iloc(1)) |
|
|
endif |
|
|
|
|
|
!IM: flux ocean-atmosphere utile pour le "slab" ocean |
|
|
DO i=1, knon |
|
|
zx_sl(i) = RLVTT |
|
|
if (tsurf_new(i) .LT. RTT) zx_sl(i) = RLSTT |
|
|
flux_o(i) = fluxsens(i)-evap(i)*zx_sl(i) |
|
|
tmp_flux_o(knindex(i)) = flux_o(i) |
|
|
tmp_radsol(knindex(i))=radsol(i) |
|
|
ENDDO |
|
|
|
|
|
! 2eme appel a interfoce pour le cumul des champs (en particulier |
|
|
! fluxsens et fluxlat calcules dans calcul_fluxs) |
|
|
|
|
|
if (ocean == 'slab ') then |
|
|
seaice=tmp_seaice |
|
|
cumul = .true. |
|
|
call interfoce_slab(klon, debut, itime, dtime, jour, & |
|
|
tmp_radsol, tmp_flux_o, tmp_flux_g, pctsrf, & |
|
|
tslab, seaice, pctsrf_new) |
|
|
|
|
|
tmp_pctsrf_slab=pctsrf_new |
|
|
DO i=1, knon |
|
|
tsurf_new(i)=tslab(knindex(i)) |
|
|
ENDDO |
|
|
endif |
|
|
|
|
|
! calcul albedo |
|
|
if ( minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999 ) then |
|
|
CALL alboc(FLOAT(jour), rlat, alb_eau) |
|
|
else ! cycle diurne |
|
|
CALL alboc_cd(rmu0, alb_eau) |
|
|
endif |
|
|
DO ii =1, knon |
|
|
alb_new(ii) = alb_eau(knindex(ii)) |
|
|
enddo |
|
|
|
|
|
z0_new = sqrt(rugos**2 + rugoro**2) |
|
|
alblw(1:knon) = alb_new(1:knon) |
|
|
else if (nisurf == is_sic) then |
|
|
if (check) write(*, *)'sea ice, nisurf = ', nisurf |
|
|
|
|
|
! Surface "glace de mer" appel a l'interface avec l'ocean |
|
|
|
|
|
|
|
|
if (ocean == 'slab ') then |
|
|
pctsrf_new=tmp_pctsrf_slab |
|
|
|
|
|
DO ii = 1, knon |
|
|
tsurf_new(ii) = tsurf(ii) |
|
|
IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then |
|
|
snow(ii) = 0.0 |
|
|
tsurf_new(ii) = RTT - 1.8 |
|
|
IF (soil_model) tsoil(ii, :) = RTT -1.8 |
|
|
ENDIF |
|
|
ENDDO |
|
|
|
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
|
|
|
|
|
IF (soil_model) THEN |
|
|
CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, soilflux) |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
|
|
ELSE |
|
|
dif_grnd = 1.0 / tau_gl |
|
|
cal = RCPD * calice |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
|
|
ENDIF |
|
|
tsurf_temp = tsurf_new |
|
|
beta = 1.0 |
|
|
|
|
|
ELSE |
|
|
! ! lecture conditions limites |
|
|
CALL interfoce_lim(itime, dtime, jour, & |
|
|
klon, nisurf, knon, knindex, & |
|
|
debut, & |
|
|
tsurf_new, pctsrf_new) |
|
|
|
|
|
!IM cf LF |
|
|
DO ii = 1, knon |
|
|
tsurf_new(ii) = tsurf(ii) |
|
|
!IMbad IF (pctsrf_new(ii, nisurf) < EPSFRA) then |
|
|
IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then |
|
|
snow(ii) = 0.0 |
|
|
!IM cf LF/JLD tsurf(ii) = RTT - 1.8 |
|
|
tsurf_new(ii) = RTT - 1.8 |
|
|
IF (soil_model) tsoil(ii, :) = RTT -1.8 |
|
|
endif |
|
|
enddo |
|
|
|
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
|
|
|
|
|
IF (soil_model) THEN |
|
|
!IM cf LF/JLD CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux) |
|
|
CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, soilflux) |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
|
|
dif_grnd = 0. |
|
|
ELSE |
|
|
dif_grnd = 1.0 / tau_gl |
|
|
cal = RCPD * calice |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
|
|
ENDIF |
|
|
!IMbadtsurf_temp = tsurf |
|
|
tsurf_temp = tsurf_new |
|
|
beta = 1.0 |
|
|
ENDIF |
|
|
|
|
|
CALL calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
precip_rain, precip_snow, snow, qsurf, & |
|
|
radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
|
|
|
!IM: flux entre l'ocean et la glace de mer pour le "slab" ocean |
|
|
DO i = 1, knon |
|
|
flux_g(i) = 0.0 |
|
|
|
|
|
!IM: faire dependre le coefficient de conduction de la glace de mer |
|
|
! de l'epaisseur de la glace de mer, dans l'hypothese ou le coeff. |
|
|
! actuel correspond a 3m de glace de mer, cf. L.Li |
|
|
|
|
|
! IF(1.EQ.0) THEN |
|
|
! IF(siceh(i).GT.0.) THEN |
|
|
! new_dif_grnd(i) = dif_grnd(i)*3./siceh(i) |
|
|
! ELSE |
|
|
! new_dif_grnd(i) = 0. |
|
|
! ENDIF |
|
|
! ENDIF !(1.EQ.0) THEN |
|
|
|
|
|
IF (cal(i).GT.1.0e-15) flux_g(i)=(tsurf_new(i)-t_grnd) & |
|
|
* dif_grnd(i) *RCPD/cal(i) |
|
|
! & * new_dif_grnd(i) *RCPD/cal(i) |
|
|
tmp_flux_g(knindex(i))=flux_g(i) |
|
|
tmp_radsol(knindex(i))=radsol(i) |
|
|
ENDDO |
|
|
|
|
|
CALL fonte_neige( klon, knon, nisurf, dtime, & |
|
|
tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
precip_rain, precip_snow, snow, qsol, & |
|
|
radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
|
|
fqcalving, ffonte, run_off_lic_0) |
|
|
|
|
|
! calcul albedo |
|
|
|
|
|
CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow) |
|
|
WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
|
|
zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon)+10.0))) |
|
|
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
|
|
0.6 * (1.0-zfra(1:knon)) |
|
|
|
|
|
fder_prev = fder |
|
|
fder = fder_prev + dflux_s + dflux_l |
|
|
|
|
|
iloc = maxloc(fder(1:klon)) |
|
|
if (check.and.fder(iloc(1))> 0.) then |
|
|
WRITE(*, *)'**** Debug fder ****' |
|
|
WRITE(*, *)'max fder(', iloc(1), ') = ', fder(iloc(1)) |
|
|
WRITE(*, *)'fder_prev, dflux_s, dflux_l', fder_prev(iloc(1)), & |
|
|
dflux_s(iloc(1)), dflux_l(iloc(1)) |
|
|
endif |
|
|
|
|
|
|
|
|
! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean |
|
|
|
|
|
z0_new = 0.002 |
|
|
z0_new = SQRT(z0_new**2+rugoro**2) |
|
|
alblw(1:knon) = alb_new(1:knon) |
|
|
|
|
|
else if (nisurf == is_lic) then |
|
|
|
|
|
if (check) write(*, *)'glacier, nisurf = ', nisurf |
|
|
|
|
|
if (.not. allocated(run_off_lic)) then |
|
|
allocate(run_off_lic(knon), stat = error) |
|
|
if (error /= 0) then |
|
|
abort_message='Pb allocation run_off_lic' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
run_off_lic = 0. |
|
|
endif |
|
|
|
|
|
! Surface "glacier continentaux" appel a l'interface avec le sol |
|
|
|
|
|
IF (soil_model) THEN |
|
|
CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux) |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
|
|
ELSE |
|
|
cal = RCPD * calice |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
|
|
ENDIF |
|
|
beta = 1.0 |
|
|
dif_grnd = 0.0 |
|
|
|
|
|
call calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
precip_rain, precip_snow, snow, qsurf, & |
|
|
radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
|
|
|
call fonte_neige( klon, knon, nisurf, dtime, & |
|
|
tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
precip_rain, precip_snow, snow, qsol, & |
|
|
radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
|
|
fqcalving, ffonte, run_off_lic_0) |
|
|
|
|
|
! passage du run-off des glaciers calcule dans fonte_neige au coupleur |
|
|
bidule=0. |
|
|
bidule(1:knon)= run_off_lic(1:knon) |
|
|
call gath2cpl(bidule, tmp_rlic, klon, knon, iim, jjm, knindex) |
|
|
|
|
|
! calcul albedo |
|
|
|
|
|
CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow) |
|
|
WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
|
|
zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon)+10.0))) |
|
|
alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + & |
|
|
0.6 * (1.0-zfra(1:knon)) |
|
|
|
|
|
!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux" |
|
|
! alb_new(1 : knon) = 0.6 !IM cf FH/GK |
|
|
! alb_new(1 : knon) = 0.82 |
|
|
! alb_new(1 : knon) = 0.77 !211003 Ksta0.77 |
|
|
! alb_new(1 : knon) = 0.8 !KstaTER0.8 & LMD_ARMIP5 |
|
|
!IM: KstaTER0.77 & LMD_ARMIP6 |
|
|
alb_new(1 : knon) = 0.77 |
|
|
|
|
|
|
|
|
! Rugosite |
|
|
|
|
|
z0_new = rugoro |
|
|
|
|
|
! Remplissage des pourcentages de surface |
|
|
|
|
|
pctsrf_new(:, nisurf) = pctsrf(:, nisurf) |
|
|
|
|
|
alblw(1:knon) = alb_new(1:knon) |
|
|
else |
|
|
write(*, *)'Index surface = ', nisurf |
|
|
abort_message = 'Index surface non valable' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
END SUBROUTINE interfsurf_hq |
|
|
|
|
|
!************************ |
|
|
|
|
|
SUBROUTINE interfoce_slab(klon, debut, itap, dtime, ijour, & |
|
|
radsol, fluxo, fluxg, pctsrf, & |
|
|
tslab, seaice, pctsrf_slab) |
|
|
|
|
|
! Cette routine calcule la temperature d'un slab ocean, la glace de mer |
|
|
! et les pourcentages de la maille couverte par l'ocean libre et/ou |
|
|
! la glace de mer pour un "slab" ocean de 50m |
|
|
|
|
|
! I. Musat 04.02.2005 |
|
|
|
|
|
! input: |
|
|
! klon nombre total de points de grille |
|
|
! debut logical: 1er appel a la physique |
|
|
! itap numero du pas de temps |
|
|
! dtime pas de temps de la physique (en s) |
|
|
! ijour jour dans l'annee en cours |
|
|
! radsol rayonnement net au sol (LW + SW) |
|
|
! fluxo flux turbulent (sensible + latent) sur les mailles oceaniques |
|
|
! fluxg flux de conduction entre la surface de la glace de mer et l'ocean |
|
|
! pctsrf tableau des pourcentages de surface de chaque maille |
|
|
! output: |
|
|
! tslab temperature de l'ocean libre |
|
|
! seaice glace de mer (kg/m2) |
|
|
! pctsrf_slab "pourcentages" (valeurs entre 0. et 1.) surfaces issus du slab |
|
|
|
|
|
use indicesol |
|
|
use clesphys |
|
|
use abort_gcm_m, only: abort_gcm |
|
|
use SUPHEC_M |
|
|
|
|
|
! Parametres d'entree |
|
|
integer, intent(IN) :: klon |
|
|
logical, intent(IN) :: debut |
|
|
INTEGER, intent(IN) :: itap |
|
|
REAL, intent(IN) :: dtime |
|
|
INTEGER, intent(IN) :: ijour |
|
|
REAL, dimension(klon), intent(IN) :: radsol |
|
|
REAL, dimension(klon), intent(IN) :: fluxo |
|
|
REAL, dimension(klon), intent(IN) :: fluxg |
|
|
real, dimension(klon, nbsrf), intent(IN) :: pctsrf |
|
|
! Parametres de sortie |
|
|
real, dimension(klon), intent(INOUT) :: tslab |
|
|
real, dimension(klon), intent(INOUT) :: seaice ! glace de mer (kg/m2) |
|
|
real, dimension(klon, nbsrf), intent(OUT) :: pctsrf_slab |
|
|
|
|
|
! Variables locales : |
|
|
INTEGER, save :: lmt_pas, julien, idayvrai |
|
|
REAL, parameter :: unjour=86400. |
|
|
real, allocatable, dimension(:), save :: tmp_tslab, tmp_seaice |
|
|
REAL, allocatable, dimension(:), save :: slab_bils |
|
|
REAL, allocatable, dimension(:), save :: lmt_bils |
|
|
logical, save :: check = .false. |
|
|
|
|
|
REAL, parameter :: cyang=50.0 * 4.228e+06 ! capacite calorifique volumetrique de l'eau J/(m2 K) |
|
|
REAL, parameter :: cbing=0.334e+05 ! J/kg |
|
|
real, dimension(klon) :: siceh !hauteur de la glace de mer (m) |
|
|
INTEGER :: i |
|
|
integer :: sum_error, error |
|
|
REAL :: zz, za, zb |
|
|
|
|
|
character (len = 80) :: abort_message |
|
|
character (len = 20) :: modname = 'interfoce_slab' |
|
|
|
|
|
julien = MOD(ijour, 360) |
|
|
sum_error = 0 |
|
|
IF (debut) THEN |
|
|
allocate(slab_bils(klon), stat = error); sum_error = sum_error + error |
|
|
allocate(lmt_bils(klon), stat = error); sum_error = sum_error + error |
|
|
allocate(tmp_tslab(klon), stat = error); sum_error = sum_error + error |
|
|
allocate(tmp_seaice(klon), stat = error); sum_error = sum_error + error |
|
|
if (sum_error /= 0) then |
|
|
abort_message='Pb allocation var. slab_bils, lmt_bils, tmp_tslab, tmp_seaice' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
tmp_tslab=tslab |
|
|
tmp_seaice=seaice |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
|
|
|
|
|
IF (check) THEN |
|
|
PRINT*, 'interfoce_slab klon, debut, itap, dtime, ijour, & |
|
|
& lmt_pas ', klon, debut, itap, dtime, ijour, & |
|
|
lmt_pas |
|
|
ENDIF !check |
|
|
|
|
|
PRINT*, '************************' |
|
|
PRINT*, 'SLAB OCEAN est actif, prenez precautions !' |
|
|
PRINT*, '************************' |
|
|
|
|
|
! a mettre un slab_bils aussi en force !!! |
|
|
|
|
|
DO i = 1, klon |
|
|
slab_bils(i) = 0.0 |
|
|
ENDDO |
|
|
|
|
|
ENDIF !debut |
|
|
pctsrf_slab(1:klon, 1:nbsrf) = pctsrf(1:klon, 1:nbsrf) |
|
|
|
|
|
! lecture du bilan au sol lmt_bils issu d'une simulation forcee en debut de journee |
|
|
|
|
|
IF (MOD(itap, lmt_pas) .EQ. 1) THEN !1er pas de temps de la journee |
|
|
idayvrai = ijour |
|
|
CALL condsurf(julien, idayvrai, lmt_bils) |
|
|
ENDIF !(MOD(itap-1, lmt_pas) .EQ. 0) THEN |
|
|
|
|
|
DO i = 1, klon |
|
|
IF((pctsrf_slab(i, is_oce).GT.epsfra).OR. & |
|
|
(pctsrf_slab(i, is_sic).GT.epsfra)) THEN |
|
|
|
|
|
! fabriquer de la glace si congelation atteinte: |
|
|
|
|
|
IF (tmp_tslab(i).LT.(RTT-1.8)) THEN |
|
|
zz = (RTT-1.8)-tmp_tslab(i) |
|
|
tmp_seaice(i) = tmp_seaice(i) + cyang/cbing * zz |
|
|
seaice(i) = tmp_seaice(i) |
|
|
tmp_tslab(i) = RTT-1.8 |
|
|
ENDIF |
|
|
|
|
|
! faire fondre de la glace si temperature est superieure a 0: |
|
|
|
|
|
IF ((tmp_tslab(i).GT.RTT) .AND. (tmp_seaice(i).GT.0.0)) THEN |
|
|
zz = cyang/cbing * (tmp_tslab(i)-RTT) |
|
|
zz = MIN(zz, tmp_seaice(i)) |
|
|
tmp_seaice(i) = tmp_seaice(i) - zz |
|
|
seaice(i) = tmp_seaice(i) |
|
|
tmp_tslab(i) = tmp_tslab(i) - zz*cbing/cyang |
|
|
ENDIF |
|
|
|
|
|
! limiter la glace de mer a 10 metres (10000 kg/m2) |
|
|
|
|
|
IF(tmp_seaice(i).GT.45.) THEN |
|
|
tmp_seaice(i) = MIN(tmp_seaice(i), 10000.0) |
|
|
ELSE |
|
|
tmp_seaice(i) = 0. |
|
|
ENDIF |
|
|
seaice(i) = tmp_seaice(i) |
|
|
siceh(i)=tmp_seaice(i)/1000. !en metres |
|
|
|
|
|
! determiner la nature du sol (glace de mer ou ocean libre): |
|
|
|
|
|
! on fait dependre la fraction de seaice "pctsrf(i, is_sic)" |
|
|
! de l'epaisseur de seaice : |
|
|
! pctsrf(i, is_sic)=1. si l'epaisseur de la glace de mer est >= a 20cm |
|
|
! et pctsrf(i, is_sic) croit lineairement avec seaice de 0. a 20cm d'epaisseur |
|
|
|
|
|
pctsrf_slab(i, is_sic)=MIN(siceh(i)/0.20, & |
|
|
1.-(pctsrf_slab(i, is_ter)+pctsrf_slab(i, is_lic))) |
|
|
pctsrf_slab(i, is_oce)=1.0 - & |
|
|
(pctsrf_slab(i, is_ter)+pctsrf_slab(i, is_lic)+pctsrf_slab(i, is_sic)) |
|
|
ENDIF !pctsrf |
|
|
ENDDO |
|
|
|
|
|
! Calculer le bilan du flux de chaleur au sol : |
|
|
|
|
|
DO i = 1, klon |
|
|
za = radsol(i) + fluxo(i) |
|
|
zb = fluxg(i) |
|
|
IF((pctsrf_slab(i, is_oce).GT.epsfra).OR. & |
|
|
(pctsrf_slab(i, is_sic).GT.epsfra)) THEN |
|
|
slab_bils(i)=slab_bils(i)+(za*pctsrf_slab(i, is_oce) & |
|
|
+zb*pctsrf_slab(i, is_sic))/ FLOAT(lmt_pas) |
|
|
ENDIF |
|
|
ENDDO !klon |
|
|
|
|
|
! calcul tslab |
|
|
|
|
|
IF (MOD(itap, lmt_pas).EQ.0) THEN !fin de journee |
|
|
DO i = 1, klon |
|
|
IF ((pctsrf_slab(i, is_oce).GT.epsfra).OR. & |
|
|
(pctsrf_slab(i, is_sic).GT.epsfra)) THEN |
|
|
tmp_tslab(i) = tmp_tslab(i) + & |
|
|
(slab_bils(i)-lmt_bils(i)) & |
|
|
/cyang*unjour |
|
|
! on remet l'accumulation a 0 |
|
|
slab_bils(i) = 0. |
|
|
ENDIF !pctsrf |
|
|
ENDDO !klon |
|
|
ENDIF !(MOD(itap, lmt_pas).EQ.0) THEN |
|
|
|
|
|
tslab = tmp_tslab |
|
|
seaice = tmp_seaice |
|
|
END SUBROUTINE interfoce_slab |
|
|
|
|
|
!************************ |
|
|
|
|
|
SUBROUTINE interfoce_lim(itime, dtime, jour, & |
|
|
klon, nisurf, knon, knindex, & |
|
|
debut, & |
|
|
lmt_sst, pctsrf_new) |
|
|
|
|
|
! Cette routine sert d'interface entre le modele atmospherique et |
|
|
! un fichier de conditions aux limites |
|
|
|
|
|
! L. Fairhead 02/2000 |
|
|
|
|
|
use abort_gcm_m, only: abort_gcm |
|
|
use indicesol |
|
|
|
|
|
integer, intent(IN) :: itime ! numero du pas de temps courant |
|
|
real , intent(IN) :: dtime ! pas de temps de la physique (en s) |
|
|
integer, intent(IN) :: jour ! jour a lire dans l'annee |
|
|
integer, intent(IN) :: nisurf ! index de la surface a traiter (1 = sol continental) |
|
|
integer, intent(IN) :: knon ! nombre de points dans le domaine a traiter |
|
|
integer, intent(IN) :: klon ! taille de la grille |
|
|
integer, dimension(klon), intent(in) :: knindex ! index des points de la surface a traiter |
|
|
logical, intent(IN) :: debut ! logical: 1er appel a la physique (initialisation) |
|
|
|
|
|
! Parametres de sortie |
|
|
! output: |
|
|
! lmt_sst SST lues dans le fichier de CL |
|
|
! pctsrf_new sous-maille fractionnelle |
|
|
real, intent(out), dimension(klon) :: lmt_sst |
|
|
real, intent(out), dimension(klon, nbsrf) :: pctsrf_new |
|
|
|
|
|
! Variables locales |
|
|
integer :: ii |
|
|
INTEGER, save :: lmt_pas ! frequence de lecture des conditions limites |
|
|
! (en pas de physique) |
|
|
logical, save :: deja_lu ! pour indiquer que le jour a lire a deja |
|
|
! lu pour une surface precedente |
|
|
integer, save :: jour_lu |
|
|
integer :: ierr |
|
|
character (len = 20) :: modname = 'interfoce_lim' |
|
|
character (len = 80) :: abort_message |
|
|
logical, save :: newlmt = .TRUE. |
|
|
logical, save :: check = .FALSE. |
|
|
! Champs lus dans le fichier de CL |
|
|
real, allocatable , save, dimension(:) :: sst_lu, rug_lu, nat_lu |
|
|
real, allocatable , save, dimension(:, :) :: pct_tmp |
|
|
|
|
|
! quelques variables pour netcdf |
|
|
|
|
|
include "netcdf.inc" |
|
|
integer :: nid, nvarid |
|
|
integer, dimension(2) :: start, epais |
|
|
|
|
|
! -------------------------------------------------- |
|
|
|
|
|
if (debut .and. .not. allocated(sst_lu)) then |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
|
|
jour_lu = jour - 1 |
|
|
allocate(sst_lu(klon)) |
|
|
allocate(nat_lu(klon)) |
|
|
allocate(pct_tmp(klon, nbsrf)) |
|
|
endif |
|
|
|
|
|
if ((jour - jour_lu) /= 0) deja_lu = .false. |
|
|
|
|
|
if (check) write(*, *)modname, ' :: jour, jour_lu, deja_lu', jour, jour_lu, & |
|
|
deja_lu |
|
|
if (check) write(*, *)modname, ' :: itime, lmt_pas ', itime, lmt_pas, dtime |
|
|
|
|
|
! Tester d'abord si c'est le moment de lire le fichier |
|
|
if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu) then |
|
|
|
|
|
! Ouverture du fichier |
|
|
|
|
|
ierr = NF_OPEN ('limit.nc', NF_NOWRITE, nid) |
|
|
if (ierr.NE.NF_NOERR) then |
|
|
abort_message & |
|
|
= 'Pb d''ouverture du fichier de conditions aux limites' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
! La tranche de donnees a lire: |
|
|
|
|
|
start(1) = 1 |
|
|
start(2) = jour |
|
|
epais(1) = klon |
|
|
epais(2) = 1 |
|
|
|
|
|
if (newlmt) then |
|
|
|
|
|
! Fraction "ocean" |
|
|
|
|
|
ierr = NF_INQ_VARID(nid, 'FOCE', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <FOCE> est absent' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, pct_tmp(1, is_oce)) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <FOCE>' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
! Fraction "glace de mer" |
|
|
|
|
|
ierr = NF_INQ_VARID(nid, 'FSIC', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <FSIC> est absent' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, pct_tmp(1, is_sic)) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <FSIC>' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
! Fraction "terre" |
|
|
|
|
|
ierr = NF_INQ_VARID(nid, 'FTER', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <FTER> est absent' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, pct_tmp(1, is_ter)) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <FTER>' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
! Fraction "glacier terre" |
|
|
|
|
|
ierr = NF_INQ_VARID(nid, 'FLIC', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <FLIC> est absent' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, pct_tmp(1, is_lic)) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <FLIC>' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
else ! on en est toujours a rnatur |
|
|
|
|
|
ierr = NF_INQ_VARID(nid, 'NAT', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <NAT> est absent' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, nat_lu) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <NAT>' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
! Remplissage des fractions de surface |
|
|
! nat = 0, 1, 2, 3 pour ocean, terre, glacier, seaice |
|
|
|
|
|
pct_tmp = 0.0 |
|
|
do ii = 1, klon |
|
|
pct_tmp(ii, nint(nat_lu(ii)) + 1) = 1. |
|
|
enddo |
|
|
|
|
|
|
|
|
! On se retrouve avec ocean en 1 et terre en 2 alors qu'on veut le contraire |
|
|
|
|
|
pctsrf_new = pct_tmp |
|
|
pctsrf_new (:, 2)= pct_tmp (:, 1) |
|
|
pctsrf_new (:, 1)= pct_tmp (:, 2) |
|
|
pct_tmp = pctsrf_new |
|
|
endif ! fin test sur newlmt |
|
|
|
|
|
! Lecture SST |
|
|
|
|
|
ierr = NF_INQ_VARID(nid, 'SST', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <SST> est absent' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, sst_lu) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <SST>' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
|
|
|
! Fin de lecture |
|
|
|
|
|
ierr = NF_CLOSE(nid) |
|
|
deja_lu = .true. |
|
|
jour_lu = jour |
|
|
endif |
|
|
|
|
|
! Recopie des variables dans les champs de sortie |
|
|
|
|
|
lmt_sst = 999999999. |
|
|
do ii = 1, knon |
|
|
lmt_sst(ii) = sst_lu(knindex(ii)) |
|
|
enddo |
|
|
|
|
|
pctsrf_new(:, is_oce) = pct_tmp(:, is_oce) |
|
|
pctsrf_new(:, is_sic) = pct_tmp(:, is_sic) |
|
|
|
|
|
END SUBROUTINE interfoce_lim |
|
|
|
|
|
!************************ |
|
|
|
|
|
SUBROUTINE interfsur_lim(itime, dtime, jour, & |
|
|
klon, nisurf, knon, knindex, & |
|
|
debut, & |
|
|
lmt_alb, lmt_rug) |
|
|
|
|
|
! Cette routine sert d'interface entre le modèle atmosphérique et |
|
|
! un fichier de conditions aux limites. |
|
|
|
|
|
! L. Fairhead 02/2000 |
|
|
|
|
|
use abort_gcm_m, only: abort_gcm |
|
|
|
|
|
! Parametres d'entree |
|
|
! input: |
|
|
! itime numero du pas de temps courant |
|
|
! dtime pas de temps de la physique (en s) |
|
|
! jour jour a lire dans l'annee |
|
|
! nisurf index de la surface a traiter (1 = sol continental) |
|
|
! knon nombre de points dans le domaine a traiter |
|
|
! knindex index des points de la surface a traiter |
|
|
! klon taille de la grille |
|
|
! debut logical: 1er appel a la physique (initialisation) |
|
|
integer, intent(IN) :: itime |
|
|
real , intent(IN) :: dtime |
|
|
integer, intent(IN) :: jour |
|
|
integer, intent(IN) :: nisurf |
|
|
integer, intent(IN) :: knon |
|
|
integer, intent(IN) :: klon |
|
|
integer, dimension(klon), intent(in) :: knindex |
|
|
logical, intent(IN) :: debut |
|
|
|
|
|
! Parametres de sortie |
|
|
! output: |
|
|
! lmt_sst SST lues dans le fichier de CL |
|
|
! lmt_alb Albedo lu |
|
|
! lmt_rug longueur de rugosité lue |
|
|
! pctsrf_new sous-maille fractionnelle |
|
|
real, intent(out), dimension(klon) :: lmt_alb |
|
|
real, intent(out), dimension(klon) :: lmt_rug |
|
|
|
|
|
! Variables locales |
|
|
integer :: ii |
|
|
integer, save :: lmt_pas ! frequence de lecture des conditions limites |
|
|
! (en pas de physique) |
|
|
logical, save :: deja_lu_sur! pour indiquer que le jour a lire a deja |
|
|
! lu pour une surface precedente |
|
|
integer, save :: jour_lu_sur |
|
|
integer :: ierr |
|
|
character (len = 20) :: modname = 'interfsur_lim' |
|
|
character (len = 80) :: abort_message |
|
|
logical, save :: newlmt = .false. |
|
|
logical, save :: check = .false. |
|
|
! Champs lus dans le fichier de CL |
|
|
real, allocatable , save, dimension(:) :: alb_lu, rug_lu |
|
|
|
|
|
! quelques variables pour netcdf |
|
|
|
|
|
include "netcdf.inc" |
|
|
integer , save :: nid, nvarid |
|
|
integer, dimension(2), save :: start, epais |
|
|
|
|
|
!------------------------------------------------------------ |
|
|
|
|
|
if (debut) then |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
|
|
jour_lu_sur = jour - 1 |
|
|
allocate(alb_lu(klon)) |
|
|
allocate(rug_lu(klon)) |
|
|
endif |
|
|
|
|
|
if ((jour - jour_lu_sur) /= 0) deja_lu_sur = .false. |
|
|
|
|
|
if (check) write(*, *)modname, ':: jour_lu_sur, deja_lu_sur', jour_lu_sur, & |
|
|
deja_lu_sur |
|
|
if (check) write(*, *)modname, ':: itime, lmt_pas', itime, lmt_pas |
|
|
|
|
|
! Tester d'abord si c'est le moment de lire le fichier |
|
|
if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu_sur) then |
|
|
|
|
|
! Ouverture du fichier |
|
|
|
|
|
ierr = NF_OPEN ('limit.nc', NF_NOWRITE, nid) |
|
|
if (ierr.NE.NF_NOERR) then |
|
|
abort_message & |
|
|
= 'Pb d''ouverture du fichier de conditions aux limites' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
! La tranche de donnees a lire: |
|
|
|
|
|
start(1) = 1 |
|
|
start(2) = jour |
|
|
epais(1) = klon |
|
|
epais(2) = 1 |
|
|
|
|
|
! Lecture Albedo |
|
|
|
|
|
ierr = NF_INQ_VARID(nid, 'ALB', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <ALB> est absent' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, alb_lu) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <ALB>' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
! Lecture rugosité |
|
|
|
|
|
ierr = NF_INQ_VARID(nid, 'RUG', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <RUG> est absent' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, rug_lu) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <RUG>' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
|
|
|
! Fin de lecture |
|
|
|
|
|
ierr = NF_CLOSE(nid) |
|
|
deja_lu_sur = .true. |
|
|
jour_lu_sur = jour |
|
|
endif |
|
|
|
|
|
! Recopie des variables dans les champs de sortie |
|
|
|
|
|
!!$ lmt_alb = 0.0 |
|
|
!!$ lmt_rug = 0.0 |
|
|
lmt_alb = 999999. |
|
|
lmt_rug = 999999. |
|
|
DO ii = 1, knon |
|
|
lmt_alb(ii) = alb_lu(knindex(ii)) |
|
|
lmt_rug(ii) = rug_lu(knindex(ii)) |
|
|
enddo |
|
|
|
|
|
END SUBROUTINE interfsur_lim |
|
|
|
|
|
!************************ |
|
|
|
|
|
SUBROUTINE calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
tsurf, p1lay, cal, beta, coef1lay, ps, & |
|
|
precip_rain, precip_snow, snow, qsurf, & |
|
|
radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, & |
|
|
petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
|
|
|
! Cette routine calcule les fluxs en h et q a l'interface et eventuellement |
|
|
! une temperature de surface (au cas ou ok_veget = false) |
|
|
|
|
|
! L. Fairhead 4/2000 |
|
|
|
|
|
! input: |
|
|
! knon nombre de points a traiter |
|
|
! nisurf surface a traiter |
|
|
! tsurf temperature de surface |
|
|
! p1lay pression 1er niveau (milieu de couche) |
|
|
! cal capacite calorifique du sol |
|
|
! beta evap reelle |
|
|
! coef1lay coefficient d'echange |
|
|
! ps pression au sol |
|
|
! precip_rain precipitations liquides |
|
|
! precip_snow precipitations solides |
|
|
! snow champs hauteur de neige |
|
|
! runoff runoff en cas de trop plein |
|
|
! petAcoef coeff. A de la resolution de la CL pour t |
|
|
! peqAcoef coeff. A de la resolution de la CL pour q |
|
|
! petBcoef coeff. B de la resolution de la CL pour t |
|
|
! peqBcoef coeff. B de la resolution de la CL pour q |
|
|
! radsol rayonnement net aus sol (LW + SW) |
|
|
! dif_grnd coeff. diffusion vers le sol profond |
|
|
|
|
|
! output: |
|
|
! tsurf_new temperature au sol |
|
|
! qsurf humidite de l'air au dessus du sol |
|
|
! fluxsens flux de chaleur sensible |
|
|
! fluxlat flux de chaleur latente |
|
|
! dflux_s derivee du flux de chaleur sensible / Ts |
|
|
! dflux_l derivee du flux de chaleur latente / Ts |
|
|
|
|
|
|
|
|
use indicesol |
|
|
use abort_gcm_m, only: abort_gcm |
|
|
use yoethf_m |
|
|
use fcttre, only: thermcep, foeew, qsats, qsatl, foede, dqsats, dqsatl |
|
|
use SUPHEC_M |
|
|
|
|
|
! Parametres d'entree |
|
|
integer, intent(IN) :: knon, nisurf, klon |
|
|
real , intent(IN) :: dtime |
|
|
real, dimension(klon), intent(IN) :: petAcoef, peqAcoef |
|
|
real, dimension(klon), intent(IN) :: petBcoef, peqBcoef |
|
|
real, dimension(klon), intent(IN) :: ps, q1lay |
|
|
real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay |
|
|
real, dimension(klon), intent(IN) :: precip_rain, precip_snow |
|
|
real, dimension(klon), intent(IN) :: radsol, dif_grnd |
|
|
real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay |
|
|
real, dimension(klon), intent(INOUT) :: snow, qsurf |
|
|
|
|
|
! Parametres sorties |
|
|
real, dimension(klon), intent(OUT):: tsurf_new, evap, fluxsens, fluxlat |
|
|
real, dimension(klon), intent(OUT):: dflux_s, dflux_l |
|
|
|
|
|
! Variables locales |
|
|
integer :: i |
|
|
real, dimension(klon) :: zx_mh, zx_nh, zx_oh |
|
|
real, dimension(klon) :: zx_mq, zx_nq, zx_oq |
|
|
real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef |
|
|
real, dimension(klon) :: zx_sl, zx_k1 |
|
|
real, dimension(klon) :: zx_q_0 , d_ts |
|
|
real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh |
|
|
real :: bilan_f, fq_fonte |
|
|
REAL :: subli, fsno |
|
|
REAL :: qsat_new, q1_new |
|
|
real, parameter :: t_grnd = 271.35, t_coup = 273.15 |
|
|
!! PB temporaire en attendant mieux pour le modele de neige |
|
|
REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15) |
|
|
|
|
|
logical, save :: check = .false. |
|
|
character (len = 20) :: modname = 'calcul_fluxs' |
|
|
logical, save :: fonte_neige = .false. |
|
|
real, save :: max_eau_sol = 150.0 |
|
|
character (len = 80) :: abort_message |
|
|
logical, save :: first = .true., second=.false. |
|
|
|
|
|
if (check) write(*, *)'Entree ', modname, ' surface = ', nisurf |
|
|
|
|
|
IF (check) THEN |
|
|
WRITE(*, *)' radsol (min, max)' & |
|
|
, MINVAL(radsol(1:knon)), MAXVAL(radsol(1:knon)) |
|
|
!!CALL flush(6) |
|
|
ENDIF |
|
|
|
|
|
if (size(coastalflow) /= knon .AND. nisurf == is_ter) then |
|
|
write(*, *)'Bizarre, le nombre de points continentaux' |
|
|
write(*, *)'a change entre deux appels. J''arrete ...' |
|
|
abort_message='Pb run_off' |
|
|
call abort_gcm(modname, abort_message, 1) |
|
|
endif |
|
|
|
|
|
! Traitement neige et humidite du sol |
|
|
|
|
|
! Initialisation |
|
|
|
|
|
evap = 0. |
|
|
fluxsens=0. |
|
|
fluxlat=0. |
|
|
dflux_s = 0. |
|
|
dflux_l = 0. |
|
|
|
|
|
! zx_qs = qsat en kg/kg |
|
|
|
|
|
DO i = 1, knon |
|
|
zx_pkh(i) = (ps(i)/ps(i))**RKAPPA |
|
|
IF (thermcep) THEN |
|
|
zdelta=MAX(0., SIGN(1., rtt-tsurf(i))) |
|
|
zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
|
|
zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i)) |
|
|
zx_qs= r2es * FOEEW(tsurf(i), zdelta)/ps(i) |
|
|
zx_qs=MIN(0.5, zx_qs) |
|
|
zcor=1./(1.-retv*zx_qs) |
|
|
zx_qs=zx_qs*zcor |
|
|
zx_dq_s_dh = FOEDE(tsurf(i), zdelta, zcvm5, zx_qs, zcor) & |
|
|
/RLVTT / zx_pkh(i) |
|
|
ELSE |
|
|
IF (tsurf(i).LT.t_coup) THEN |
|
|
zx_qs = qsats(tsurf(i)) / ps(i) |
|
|
zx_dq_s_dh = dqsats(tsurf(i), zx_qs)/RLVTT & |
|
|
/ zx_pkh(i) |
|
|
ELSE |
|
|
zx_qs = qsatl(tsurf(i)) / ps(i) |
|
|
zx_dq_s_dh = dqsatl(tsurf(i), zx_qs)/RLVTT & |
|
|
/ zx_pkh(i) |
|
|
ENDIF |
|
|
ENDIF |
|
|
zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh |
|
|
zx_qsat(i) = zx_qs |
|
|
zx_coef(i) = coef1lay(i) & |
|
|
* (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) & |
|
|
* p1lay(i)/(RD*t1lay(i)) |
|
|
|
|
|
ENDDO |
|
|
|
|
|
! === Calcul de la temperature de surface === |
|
|
|
|
|
! zx_sl = chaleur latente d'evaporation ou de sublimation |
|
|
|
|
|
do i = 1, knon |
|
|
zx_sl(i) = RLVTT |
|
|
if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT |
|
|
zx_k1(i) = zx_coef(i) |
|
|
enddo |
|
|
|
|
|
do i = 1, knon |
|
|
! Q |
|
|
zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime) |
|
|
zx_mq(i) = beta(i) * zx_k1(i) * & |
|
|
(peqAcoef(i) - zx_qsat(i) & |
|
|
+ zx_dq_s_dt(i) * tsurf(i)) & |
|
|
/ zx_oq(i) |
|
|
zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) & |
|
|
/ zx_oq(i) |
|
|
|
|
|
! H |
|
|
zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime) |
|
|
zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i) |
|
|
zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i) |
|
|
|
|
|
! Tsurface |
|
|
tsurf_new(i) = (tsurf(i) + cal(i)/(RCPD * zx_pkh(i)) * dtime * & |
|
|
(radsol(i) + zx_mh(i) + zx_sl(i) * zx_mq(i)) & |
|
|
+ dif_grnd(i) * t_grnd * dtime)/ & |
|
|
( 1. - dtime * cal(i)/(RCPD * zx_pkh(i)) * ( & |
|
|
zx_nh(i) + zx_sl(i) * zx_nq(i)) & |
|
|
+ dtime * dif_grnd(i)) |
|
|
|
|
|
|
|
|
! Y'a-t-il fonte de neige? |
|
|
|
|
|
! fonte_neige = (nisurf /= is_oce) .AND. & |
|
|
! & (snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) & |
|
|
! & .AND. (tsurf_new(i) >= RTT) |
|
|
! if (fonte_neige) tsurf_new(i) = RTT |
|
|
d_ts(i) = tsurf_new(i) - tsurf(i) |
|
|
! zx_h_ts(i) = tsurf_new(i) * RCPD * zx_pkh(i) |
|
|
! zx_q_0(i) = zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) |
|
|
!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas |
|
|
!== flux_t est le flux de cpt (energie sensible): j/(m**2 s) |
|
|
evap(i) = - zx_mq(i) - zx_nq(i) * tsurf_new(i) |
|
|
fluxlat(i) = - evap(i) * zx_sl(i) |
|
|
fluxsens(i) = zx_mh(i) + zx_nh(i) * tsurf_new(i) |
|
|
! Derives des flux dF/dTs (W m-2 K-1): |
|
|
dflux_s(i) = zx_nh(i) |
|
|
dflux_l(i) = (zx_sl(i) * zx_nq(i)) |
|
|
! Nouvelle valeure de l'humidite au dessus du sol |
|
|
qsat_new=zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) |
|
|
q1_new = peqAcoef(i) - peqBcoef(i)*evap(i)*dtime |
|
|
qsurf(i)=q1_new*(1.-beta(i)) + beta(i)*qsat_new |
|
|
ENDDO |
|
|
|
|
|
END SUBROUTINE calcul_fluxs |
|
|
|
|
|
!************************ |
|
|
|
|
|
SUBROUTINE fonte_neige( klon, knon, nisurf, dtime, & |
|
|
tsurf, p1lay, cal, beta, coef1lay, ps, & |
|
|
precip_rain, precip_snow, snow, qsol, & |
|
|
radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, & |
|
|
petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
|
|
fqcalving, ffonte, run_off_lic_0) |
|
|
|
|
|
! Routine de traitement de la fonte de la neige dans le cas du traitement |
|
|
! de sol simplifié |
|
|
|
|
|
! LF 03/2001 |
|
|
! input: |
|
|
! knon nombre de points a traiter |
|
|
! nisurf surface a traiter |
|
|
! tsurf temperature de surface |
|
|
! p1lay pression 1er niveau (milieu de couche) |
|
|
! cal capacite calorifique du sol |
|
|
! beta evap reelle |
|
|
! coef1lay coefficient d'echange |
|
|
! ps pression au sol |
|
|
! precip_rain precipitations liquides |
|
|
! precip_snow precipitations solides |
|
|
! snow champs hauteur de neige |
|
|
! qsol hauteur d'eau contenu dans le sol |
|
|
! runoff runoff en cas de trop plein |
|
|
! petAcoef coeff. A de la resolution de la CL pour t |
|
|
! peqAcoef coeff. A de la resolution de la CL pour q |
|
|
! petBcoef coeff. B de la resolution de la CL pour t |
|
|
! peqBcoef coeff. B de la resolution de la CL pour q |
|
|
! radsol rayonnement net aus sol (LW + SW) |
|
|
! dif_grnd coeff. diffusion vers le sol profond |
|
|
|
|
|
! output: |
|
|
! tsurf_new temperature au sol |
|
|
! fluxsens flux de chaleur sensible |
|
|
! fluxlat flux de chaleur latente |
|
|
! dflux_s derivee du flux de chaleur sensible / Ts |
|
|
! dflux_l derivee du flux de chaleur latente / Ts |
|
|
! in/out: |
|
|
! run_off_lic_0 run off glacier du pas de temps précedent |
|
|
|
|
|
|
|
|
use indicesol |
|
|
use SUPHEC_M |
|
|
use yoethf_m |
|
|
use fcttre |
|
|
!IM cf JLD |
|
|
|
|
|
! Parametres d'entree |
|
|
integer, intent(IN) :: knon, nisurf, klon |
|
|
real , intent(IN) :: dtime |
|
|
real, dimension(klon), intent(IN) :: petAcoef, peqAcoef |
|
|
real, dimension(klon), intent(IN) :: petBcoef, peqBcoef |
|
|
real, dimension(klon), intent(IN) :: ps, q1lay |
|
|
real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay |
|
|
real, dimension(klon), intent(IN) :: precip_rain, precip_snow |
|
|
real, dimension(klon), intent(IN) :: radsol, dif_grnd |
|
|
real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay |
|
|
real, dimension(klon), intent(INOUT) :: snow, qsol |
|
|
|
|
|
! Parametres sorties |
|
|
real, dimension(klon), intent(INOUT):: tsurf_new, evap, fluxsens, fluxlat |
|
|
real, dimension(klon), intent(INOUT):: dflux_s, dflux_l |
|
|
! Flux thermique utiliser pour fondre la neige |
|
|
real, dimension(klon), intent(INOUT):: ffonte |
|
|
! Flux d'eau "perdue" par la surface et necessaire pour que limiter la |
|
|
! hauteur de neige, en kg/m2/s |
|
|
real, dimension(klon), intent(INOUT):: fqcalving |
|
|
real, dimension(klon), intent(INOUT):: run_off_lic_0 |
|
|
! Variables locales |
|
|
! Masse maximum de neige (kg/m2). Au dessus de ce seuil, la neige |
|
|
! en exces "s'ecoule" (calving) |
|
|
! real, parameter :: snow_max=1. |
|
|
!IM cf JLD/GK |
|
|
real, parameter :: snow_max=3000. |
|
|
integer :: i |
|
|
real, dimension(klon) :: zx_mh, zx_nh, zx_oh |
|
|
real, dimension(klon) :: zx_mq, zx_nq, zx_oq |
|
|
real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef |
|
|
real, dimension(klon) :: zx_sl, zx_k1 |
|
|
real, dimension(klon) :: zx_q_0 , d_ts |
|
|
real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh |
|
|
real :: bilan_f, fq_fonte |
|
|
REAL :: subli, fsno |
|
|
REAL, DIMENSION(klon) :: bil_eau_s, snow_evap |
|
|
real, parameter :: t_grnd = 271.35, t_coup = 273.15 |
|
|
!! PB temporaire en attendant mieux pour le modele de neige |
|
|
! REAL, parameter :: chasno = RLMLT/(2.3867E+06*0.15) |
|
|
REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15) |
|
|
!IM cf JLD/ GKtest |
|
|
REAL, parameter :: chaice = 3.334E+05/(2.3867E+06*0.15) |
|
|
! fin GKtest |
|
|
|
|
|
logical, save :: check = .FALSE. |
|
|
character (len = 20) :: modname = 'fonte_neige' |
|
|
logical, save :: neige_fond = .false. |
|
|
real, save :: max_eau_sol = 150.0 |
|
|
character (len = 80) :: abort_message |
|
|
logical, save :: first = .true., second=.false. |
|
|
real :: coeff_rel |
|
|
|
|
|
if (check) write(*, *)'Entree ', modname, ' surface = ', nisurf |
|
|
|
|
|
! Initialisations |
|
|
coeff_rel = dtime/(tau_calv * rday) |
|
|
bil_eau_s = 0. |
|
|
DO i = 1, knon |
|
|
zx_pkh(i) = (ps(i)/ps(i))**RKAPPA |
|
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IF (thermcep) THEN |
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zdelta=MAX(0., SIGN(1., rtt-tsurf(i))) |
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zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
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zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i)) |
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zx_qs= r2es * FOEEW(tsurf(i), zdelta)/ps(i) |
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zx_qs=MIN(0.5, zx_qs) |
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zcor=1./(1.-retv*zx_qs) |
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zx_qs=zx_qs*zcor |
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zx_dq_s_dh = FOEDE(tsurf(i), zdelta, zcvm5, zx_qs, zcor) & |
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/RLVTT / zx_pkh(i) |
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ELSE |
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IF (tsurf(i).LT.t_coup) THEN |
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zx_qs = qsats(tsurf(i)) / ps(i) |
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zx_dq_s_dh = dqsats(tsurf(i), zx_qs)/RLVTT & |
|
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/ zx_pkh(i) |
|
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ELSE |
|
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zx_qs = qsatl(tsurf(i)) / ps(i) |
|
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zx_dq_s_dh = dqsatl(tsurf(i), zx_qs)/RLVTT & |
|
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/ zx_pkh(i) |
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ENDIF |
|
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ENDIF |
|
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zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh |
|
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zx_qsat(i) = zx_qs |
|
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zx_coef(i) = coef1lay(i) & |
|
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* (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) & |
|
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* p1lay(i)/(RD*t1lay(i)) |
|
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ENDDO |
|
|
|
|
|
! === Calcul de la temperature de surface === |
|
|
|
|
|
! zx_sl = chaleur latente d'evaporation ou de sublimation |
|
|
|
|
|
do i = 1, knon |
|
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zx_sl(i) = RLVTT |
|
|
if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT |
|
|
zx_k1(i) = zx_coef(i) |
|
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enddo |
|
|
|
|
|
do i = 1, knon |
|
|
! Q |
|
|
zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime) |
|
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zx_mq(i) = beta(i) * zx_k1(i) * & |
|
|
(peqAcoef(i) - zx_qsat(i) & |
|
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+ zx_dq_s_dt(i) * tsurf(i)) & |
|
|
/ zx_oq(i) |
|
|
zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) & |
|
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/ zx_oq(i) |
|
|
|
|
|
! H |
|
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zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime) |
|
|
zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i) |
|
|
zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i) |
|
|
enddo |
|
|
|
|
|
WHERE (precip_snow > 0.) snow = snow + (precip_snow * dtime) |
|
|
snow_evap = 0. |
|
|
WHERE (evap > 0. ) |
|
|
snow_evap = MIN (snow / dtime, evap) |
|
|
snow = snow - snow_evap * dtime |
|
|
snow = MAX(0.0, snow) |
|
|
end where |
|
|
|
|
|
! bil_eau_s = bil_eau_s + (precip_rain * dtime) - (evap - snow_evap) * dtime |
|
|
bil_eau_s = (precip_rain * dtime) - (evap - snow_evap) * dtime |
|
|
|
|
|
|
|
|
! Y'a-t-il fonte de neige? |
|
|
|
|
|
ffonte=0. |
|
|
do i = 1, knon |
|
|
neige_fond = ((snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) & |
|
|
.AND. tsurf_new(i) >= RTT) |
|
|
if (neige_fond) then |
|
|
fq_fonte = MIN( MAX((tsurf_new(i)-RTT )/chasno, 0.0), snow(i)) |
|
|
ffonte(i) = fq_fonte * RLMLT/dtime |
|
|
snow(i) = max(0., snow(i) - fq_fonte) |
|
|
bil_eau_s(i) = bil_eau_s(i) + fq_fonte |
|
|
tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno |
|
|
!IM cf JLD OK |
|
|
!IM cf JLD/ GKtest fonte aussi pour la glace |
|
|
IF (nisurf == is_sic .OR. nisurf == is_lic ) THEN |
|
|
fq_fonte = MAX((tsurf_new(i)-RTT )/chaice, 0.0) |
|
|
ffonte(i) = ffonte(i) + fq_fonte * RLMLT/dtime |
|
|
bil_eau_s(i) = bil_eau_s(i) + fq_fonte |
|
|
tsurf_new(i) = RTT |
|
|
ENDIF |
|
|
d_ts(i) = tsurf_new(i) - tsurf(i) |
|
|
endif |
|
|
|
|
|
! s'il y a une hauteur trop importante de neige, elle s'coule |
|
|
fqcalving(i) = max(0., snow(i) - snow_max)/dtime |
|
|
snow(i)=min(snow(i), snow_max) |
|
|
|
|
|
IF (nisurf == is_ter) then |
|
|
qsol(i) = qsol(i) + bil_eau_s(i) |
|
|
run_off(i) = run_off(i) + MAX(qsol(i) - max_eau_sol, 0.0) |
|
|
qsol(i) = MIN(qsol(i), max_eau_sol) |
|
|
else if (nisurf == is_lic) then |
|
|
run_off_lic(i) = (coeff_rel * fqcalving(i)) + & |
|
|
(1. - coeff_rel) * run_off_lic_0(i) |
|
|
run_off_lic_0(i) = run_off_lic(i) |
|
|
run_off_lic(i) = run_off_lic(i) + bil_eau_s(i)/dtime |
|
|
endif |
|
|
enddo |
|
|
|
|
|
END SUBROUTINE fonte_neige |
|
|
|
|
| 16 |
END MODULE interface_surf |
END MODULE interface_surf |
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