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MODULE interface_surf |
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! 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 modèle |
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! atmosphérique et les modèles de surface (sols continentaux, |
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! océans, glaces). |
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! Les routines sont les suivantes: |
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! interfsurf_hq : routine d'aiguillage vers les interfaces avec les |
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! différents modèles de surface |
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! interfoce_* : routines d'interface proprement dites |
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! L. Fairhead, LMD, 02/2000 |
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IMPLICIT none |
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PRIVATE |
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PUBLIC :: interfsurf_hq |
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! run_off ruissellement total |
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REAL, ALLOCATABLE, DIMENSION(:), SAVE :: run_off, run_off_lic |
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real, allocatable, dimension(:), save :: coastalflow, riverflow |
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REAL, ALLOCATABLE, DIMENSION(:, :), SAVE :: tmp_rriv, tmp_rcoa, tmp_rlic |
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!! pour simuler la fonte des glaciers antarctiques |
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REAL, ALLOCATABLE, DIMENSION(:, :), SAVE :: coeff_iceberg |
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real, save :: surf_maille |
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real, save :: cte_flux_iceberg = 6.3e7 |
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integer, save :: num_antarctic = 1 |
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REAL, save :: tau_calv |
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CONTAINS |
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SUBROUTINE interfsurf_hq(itime, dtime, date0, jour, rmu0, & |
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& klon, iim, jjm, nisurf, knon, knindex, pctsrf, & |
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& rlon, rlat, cufi, cvfi, & |
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& debut, lafin, ok_veget, soil_model, nsoilmx, tsoil, qsol, & |
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& zlev, u1_lay, v1_lay, temp_air, spechum, epot_air, ccanopy, & |
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& tq_cdrag, petAcoef, peqAcoef, petBcoef, peqBcoef, & |
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& precip_rain, precip_snow, sollw, sollwdown, swnet, swdown, & |
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& fder, taux, tauy, & |
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& windsp, & |
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& rugos, rugoro, & |
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& albedo, snow, qsurf, & |
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& tsurf, p1lay, ps, radsol, & |
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& ocean, npas, nexca, zmasq, & |
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& evap, fluxsens, fluxlat, dflux_l, dflux_s, & |
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& tsol_rad, tsurf_new, alb_new, alblw, emis_new, & |
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& z0_new, pctsrf_new, agesno, fqcalving, ffonte, run_off_lic_0, & |
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!IM "slab" ocean |
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& 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 YOMCST |
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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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guez |
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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 |
| 304 |
|
|
DO i=1, klon |
| 305 |
guez |
14 |
tmp_pctsrf_slab(i, 1:nbsrf)=pctsrf(i, 1:nbsrf) |
| 306 |
guez |
3 |
ENDDO |
| 307 |
|
|
endif |
| 308 |
guez |
14 |
|
| 309 |
guez |
3 |
if (.not. allocated(tmp_seaice)) then |
| 310 |
|
|
allocate(tmp_seaice(klon), stat = error) |
| 311 |
|
|
if (error /= 0) then |
| 312 |
|
|
abort_message='Pb allocation tmp_seaice' |
| 313 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 314 |
guez |
3 |
endif |
| 315 |
|
|
DO i=1, klon |
| 316 |
|
|
tmp_seaice(i)=seaice(i) |
| 317 |
|
|
ENDDO |
| 318 |
|
|
endif |
| 319 |
guez |
14 |
|
| 320 |
guez |
3 |
if (.not. allocated(tmp_tslab)) then |
| 321 |
|
|
allocate(tmp_tslab(klon), stat = error) |
| 322 |
|
|
if (error /= 0) then |
| 323 |
|
|
abort_message='Pb allocation tmp_tslab' |
| 324 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 325 |
guez |
3 |
endif |
| 326 |
|
|
endif |
| 327 |
|
|
DO i=1, klon |
| 328 |
|
|
tmp_tslab(i)=tslab(i) |
| 329 |
|
|
ENDDO |
| 330 |
guez |
14 |
|
| 331 |
guez |
3 |
! Aiguillage vers les differents schemas de surface |
| 332 |
|
|
|
| 333 |
|
|
if (nisurf == is_ter) then |
| 334 |
guez |
14 |
|
| 335 |
guez |
3 |
! Surface "terre" appel a l'interface avec les sols continentaux |
| 336 |
guez |
14 |
|
| 337 |
guez |
3 |
! allocation du run-off |
| 338 |
|
|
if (.not. allocated(coastalflow)) then |
| 339 |
|
|
allocate(coastalflow(knon), stat = error) |
| 340 |
|
|
if (error /= 0) then |
| 341 |
|
|
abort_message='Pb allocation coastalflow' |
| 342 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 343 |
guez |
3 |
endif |
| 344 |
|
|
allocate(riverflow(knon), stat = error) |
| 345 |
|
|
if (error /= 0) then |
| 346 |
|
|
abort_message='Pb allocation riverflow' |
| 347 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 348 |
guez |
3 |
endif |
| 349 |
|
|
allocate(run_off(knon), stat = error) |
| 350 |
|
|
if (error /= 0) then |
| 351 |
|
|
abort_message='Pb allocation run_off' |
| 352 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 353 |
guez |
3 |
endif |
| 354 |
|
|
!cym |
| 355 |
|
|
run_off=0.0 |
| 356 |
|
|
!cym |
| 357 |
|
|
|
| 358 |
|
|
!!$PB |
| 359 |
guez |
14 |
ALLOCATE (tmp_rriv(iim, jjm+1), stat=error) |
| 360 |
guez |
3 |
if (error /= 0) then |
| 361 |
|
|
abort_message='Pb allocation tmp_rriv' |
| 362 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 363 |
guez |
3 |
endif |
| 364 |
guez |
14 |
ALLOCATE (tmp_rcoa(iim, jjm+1), stat=error) |
| 365 |
guez |
3 |
if (error /= 0) then |
| 366 |
|
|
abort_message='Pb allocation tmp_rcoa' |
| 367 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 368 |
guez |
3 |
endif |
| 369 |
guez |
14 |
ALLOCATE (tmp_rlic(iim, jjm+1), stat=error) |
| 370 |
guez |
3 |
if (error /= 0) then |
| 371 |
|
|
abort_message='Pb allocation tmp_rlic' |
| 372 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 373 |
guez |
3 |
endif |
| 374 |
|
|
tmp_rriv = 0.0 |
| 375 |
|
|
tmp_rcoa = 0.0 |
| 376 |
|
|
tmp_rlic = 0.0 |
| 377 |
|
|
|
| 378 |
|
|
!!$ |
| 379 |
|
|
else if (size(coastalflow) /= knon) then |
| 380 |
guez |
14 |
write(*, *)'Bizarre, le nombre de points continentaux' |
| 381 |
|
|
write(*, *)'a change entre deux appels. J''arrete ...' |
| 382 |
guez |
3 |
abort_message='voir ci-dessus' |
| 383 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 384 |
guez |
3 |
endif |
| 385 |
|
|
coastalflow = 0. |
| 386 |
|
|
riverflow = 0. |
| 387 |
guez |
14 |
|
| 388 |
guez |
3 |
! Calcul age de la neige |
| 389 |
|
|
|
| 390 |
|
|
if (.not. ok_veget) then |
| 391 |
guez |
14 |
! calcul albedo: lecture albedo fichier boundary conditions |
| 392 |
|
|
! puis ajout albedo neige |
| 393 |
|
|
call interfsur_lim(itime, dtime, jour, klon, nisurf, knon, knindex, & |
| 394 |
|
|
debut, alb_new, z0_new) |
| 395 |
|
|
|
| 396 |
guez |
3 |
! calcul snow et qsurf, hydrol adapté |
| 397 |
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
| 398 |
|
|
|
| 399 |
|
|
IF (soil_model) THEN |
| 400 |
guez |
14 |
CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, & |
| 401 |
|
|
soilflux) |
| 402 |
guez |
3 |
cal(1:knon) = RCPD / soilcap(1:knon) |
| 403 |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
| 404 |
|
|
ELSE |
| 405 |
|
|
cal = RCPD * capsol |
| 406 |
|
|
ENDIF |
| 407 |
|
|
CALL calcul_fluxs( klon, knon, nisurf, dtime, & |
| 408 |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
| 409 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
| 410 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
| 411 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 412 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
| 413 |
|
|
|
| 414 |
|
|
CALL fonte_neige( klon, knon, nisurf, dtime, & |
| 415 |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
| 416 |
|
|
& precip_rain, precip_snow, snow, qsol, & |
| 417 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
| 418 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 419 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
| 420 |
guez |
14 |
& fqcalving, ffonte, run_off_lic_0) |
| 421 |
guez |
3 |
|
| 422 |
guez |
14 |
call albsno(klon, knon, dtime, agesno, alb_neig, precip_snow) |
| 423 |
guez |
3 |
where (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
| 424 |
guez |
14 |
zfra(1:knon) = max(0.0, min(1.0, snow(1:knon)/(snow(1:knon)+10.0))) |
| 425 |
guez |
3 |
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
| 426 |
guez |
14 |
alb_new(1 : knon)*(1.0-zfra(1:knon)) |
| 427 |
guez |
3 |
z0_new = sqrt(z0_new**2+rugoro**2) |
| 428 |
|
|
alblw(1 : knon) = alb_new(1 : knon) |
| 429 |
guez |
14 |
endif |
| 430 |
guez |
3 |
|
| 431 |
|
|
! Remplissage des pourcentages de surface |
| 432 |
guez |
14 |
pctsrf_new(:, nisurf) = pctsrf(:, nisurf) |
| 433 |
guez |
3 |
else if (nisurf == is_oce) then |
| 434 |
|
|
! Surface "ocean" appel a l'interface avec l'ocean |
| 435 |
guez |
14 |
if (ocean == 'slab') then |
| 436 |
guez |
3 |
tsurf_new = tsurf |
| 437 |
|
|
pctsrf_new = tmp_pctsrf_slab |
| 438 |
guez |
14 |
else |
| 439 |
|
|
! lecture conditions limites |
| 440 |
|
|
call interfoce_lim(itime, dtime, jour, klon, nisurf, knon, knindex, & |
| 441 |
|
|
debut, tsurf_new, pctsrf_new) |
| 442 |
guez |
3 |
endif |
| 443 |
|
|
|
| 444 |
|
|
tsurf_temp = tsurf_new |
| 445 |
|
|
cal = 0. |
| 446 |
|
|
beta = 1. |
| 447 |
|
|
dif_grnd = 0. |
| 448 |
guez |
14 |
alb_neig = 0. |
| 449 |
|
|
agesno = 0. |
| 450 |
guez |
3 |
|
| 451 |
|
|
call calcul_fluxs( klon, knon, nisurf, dtime, & |
| 452 |
|
|
& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
| 453 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
| 454 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
| 455 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 456 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
| 457 |
|
|
|
| 458 |
|
|
fder_prev = fder |
| 459 |
|
|
fder = fder_prev + dflux_s + dflux_l |
| 460 |
|
|
|
| 461 |
|
|
iloc = maxloc(fder(1:klon)) |
| 462 |
|
|
if (check.and.fder(iloc(1))> 0.) then |
| 463 |
guez |
14 |
WRITE(*, *)'**** Debug fder****' |
| 464 |
|
|
WRITE(*, *)'max fder(', iloc(1), ') = ', fder(iloc(1)) |
| 465 |
|
|
WRITE(*, *)'fder_prev, dflux_s, dflux_l', fder_prev(iloc(1)), & |
| 466 |
guez |
3 |
& dflux_s(iloc(1)), dflux_l(iloc(1)) |
| 467 |
|
|
endif |
| 468 |
|
|
|
| 469 |
|
|
!IM: flux ocean-atmosphere utile pour le "slab" ocean |
| 470 |
|
|
DO i=1, knon |
| 471 |
|
|
zx_sl(i) = RLVTT |
| 472 |
|
|
if (tsurf_new(i) .LT. RTT) zx_sl(i) = RLSTT |
| 473 |
|
|
flux_o(i) = fluxsens(i)-evap(i)*zx_sl(i) |
| 474 |
|
|
tmp_flux_o(knindex(i)) = flux_o(i) |
| 475 |
|
|
tmp_radsol(knindex(i))=radsol(i) |
| 476 |
|
|
ENDDO |
| 477 |
guez |
14 |
|
| 478 |
guez |
3 |
! 2eme appel a interfoce pour le cumul des champs (en particulier |
| 479 |
|
|
! fluxsens et fluxlat calcules dans calcul_fluxs) |
| 480 |
guez |
14 |
|
| 481 |
guez |
12 |
if (ocean == 'slab ') then |
| 482 |
guez |
3 |
seaice=tmp_seaice |
| 483 |
|
|
cumul = .true. |
| 484 |
|
|
call interfoce_slab(klon, debut, itime, dtime, jour, & |
| 485 |
|
|
& tmp_radsol, tmp_flux_o, tmp_flux_g, pctsrf, & |
| 486 |
|
|
& tslab, seaice, pctsrf_new) |
| 487 |
guez |
14 |
|
| 488 |
guez |
3 |
tmp_pctsrf_slab=pctsrf_new |
| 489 |
|
|
DO i=1, knon |
| 490 |
|
|
tsurf_new(i)=tslab(knindex(i)) |
| 491 |
guez |
14 |
ENDDO |
| 492 |
guez |
3 |
endif |
| 493 |
|
|
|
| 494 |
|
|
! calcul albedo |
| 495 |
|
|
if ( minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999 ) then |
| 496 |
guez |
14 |
CALL alboc(FLOAT(jour), rlat, alb_eau) |
| 497 |
guez |
3 |
else ! cycle diurne |
| 498 |
guez |
14 |
CALL alboc_cd(rmu0, alb_eau) |
| 499 |
guez |
3 |
endif |
| 500 |
|
|
DO ii =1, knon |
| 501 |
|
|
alb_new(ii) = alb_eau(knindex(ii)) |
| 502 |
|
|
enddo |
| 503 |
|
|
|
| 504 |
|
|
z0_new = sqrt(rugos**2 + rugoro**2) |
| 505 |
|
|
alblw(1:knon) = alb_new(1:knon) |
| 506 |
|
|
else if (nisurf == is_sic) then |
| 507 |
guez |
14 |
if (check) write(*, *)'sea ice, nisurf = ', nisurf |
| 508 |
guez |
3 |
|
| 509 |
guez |
14 |
! Surface "glace de mer" appel a l'interface avec l'ocean |
| 510 |
guez |
3 |
|
| 511 |
guez |
14 |
|
| 512 |
guez |
12 |
if (ocean == 'slab ') then |
| 513 |
guez |
3 |
pctsrf_new=tmp_pctsrf_slab |
| 514 |
guez |
14 |
|
| 515 |
guez |
3 |
DO ii = 1, knon |
| 516 |
|
|
tsurf_new(ii) = tsurf(ii) |
| 517 |
guez |
14 |
IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then |
| 518 |
guez |
3 |
snow(ii) = 0.0 |
| 519 |
|
|
tsurf_new(ii) = RTT - 1.8 |
| 520 |
guez |
14 |
IF (soil_model) tsoil(ii, :) = RTT -1.8 |
| 521 |
guez |
3 |
ENDIF |
| 522 |
|
|
ENDDO |
| 523 |
|
|
|
| 524 |
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
| 525 |
|
|
|
| 526 |
|
|
IF (soil_model) THEN |
| 527 |
guez |
14 |
CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, soilflux) |
| 528 |
guez |
3 |
cal(1:knon) = RCPD / soilcap(1:knon) |
| 529 |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
| 530 |
|
|
ELSE |
| 531 |
|
|
dif_grnd = 1.0 / tau_gl |
| 532 |
|
|
cal = RCPD * calice |
| 533 |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
| 534 |
|
|
ENDIF |
| 535 |
|
|
tsurf_temp = tsurf_new |
| 536 |
|
|
beta = 1.0 |
| 537 |
guez |
14 |
|
| 538 |
guez |
3 |
ELSE |
| 539 |
|
|
! ! lecture conditions limites |
| 540 |
|
|
CALL interfoce_lim(itime, dtime, jour, & |
| 541 |
|
|
& klon, nisurf, knon, knindex, & |
| 542 |
|
|
& debut, & |
| 543 |
|
|
& tsurf_new, pctsrf_new) |
| 544 |
|
|
|
| 545 |
|
|
!IM cf LF |
| 546 |
|
|
DO ii = 1, knon |
| 547 |
|
|
tsurf_new(ii) = tsurf(ii) |
| 548 |
guez |
14 |
!IMbad IF (pctsrf_new(ii, nisurf) < EPSFRA) then |
| 549 |
|
|
IF (pctsrf_new(knindex(ii), nisurf) < EPSFRA) then |
| 550 |
guez |
3 |
snow(ii) = 0.0 |
| 551 |
|
|
!IM cf LF/JLD tsurf(ii) = RTT - 1.8 |
| 552 |
|
|
tsurf_new(ii) = RTT - 1.8 |
| 553 |
guez |
14 |
IF (soil_model) tsoil(ii, :) = RTT -1.8 |
| 554 |
guez |
3 |
endif |
| 555 |
|
|
enddo |
| 556 |
|
|
|
| 557 |
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
| 558 |
|
|
|
| 559 |
|
|
IF (soil_model) THEN |
| 560 |
guez |
14 |
!IM cf LF/JLD CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux) |
| 561 |
|
|
CALL soil(dtime, nisurf, knon, snow, tsurf_new, tsoil, soilcap, soilflux) |
| 562 |
guez |
3 |
cal(1:knon) = RCPD / soilcap(1:knon) |
| 563 |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
| 564 |
|
|
dif_grnd = 0. |
| 565 |
|
|
ELSE |
| 566 |
|
|
dif_grnd = 1.0 / tau_gl |
| 567 |
|
|
cal = RCPD * calice |
| 568 |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
| 569 |
|
|
ENDIF |
| 570 |
|
|
!IMbadtsurf_temp = tsurf |
| 571 |
|
|
tsurf_temp = tsurf_new |
| 572 |
|
|
beta = 1.0 |
| 573 |
|
|
ENDIF |
| 574 |
|
|
|
| 575 |
|
|
CALL calcul_fluxs( klon, knon, nisurf, dtime, & |
| 576 |
|
|
& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
| 577 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
| 578 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
| 579 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 580 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
| 581 |
guez |
14 |
|
| 582 |
guez |
3 |
!IM: flux entre l'ocean et la glace de mer pour le "slab" ocean |
| 583 |
|
|
DO i = 1, knon |
| 584 |
|
|
flux_g(i) = 0.0 |
| 585 |
guez |
14 |
|
| 586 |
guez |
3 |
!IM: faire dependre le coefficient de conduction de la glace de mer |
| 587 |
|
|
! de l'epaisseur de la glace de mer, dans l'hypothese ou le coeff. |
| 588 |
|
|
! actuel correspond a 3m de glace de mer, cf. L.Li |
| 589 |
guez |
14 |
|
| 590 |
guez |
3 |
! IF(1.EQ.0) THEN |
| 591 |
|
|
! IF(siceh(i).GT.0.) THEN |
| 592 |
|
|
! new_dif_grnd(i) = dif_grnd(i)*3./siceh(i) |
| 593 |
|
|
! ELSE |
| 594 |
|
|
! new_dif_grnd(i) = 0. |
| 595 |
|
|
! ENDIF |
| 596 |
|
|
! ENDIF !(1.EQ.0) THEN |
| 597 |
guez |
14 |
|
| 598 |
guez |
3 |
IF (cal(i).GT.1.0e-15) flux_g(i)=(tsurf_new(i)-t_grnd) & |
| 599 |
|
|
& * dif_grnd(i) *RCPD/cal(i) |
| 600 |
|
|
! & * new_dif_grnd(i) *RCPD/cal(i) |
| 601 |
|
|
tmp_flux_g(knindex(i))=flux_g(i) |
| 602 |
|
|
tmp_radsol(knindex(i))=radsol(i) |
| 603 |
|
|
ENDDO |
| 604 |
|
|
|
| 605 |
guez |
12 |
CALL fonte_neige( klon, knon, nisurf, dtime, & |
| 606 |
|
|
& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
| 607 |
|
|
& precip_rain, precip_snow, snow, qsol, & |
| 608 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
| 609 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 610 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
| 611 |
guez |
14 |
& fqcalving, ffonte, run_off_lic_0) |
| 612 |
guez |
3 |
|
| 613 |
guez |
12 |
! calcul albedo |
| 614 |
guez |
3 |
|
| 615 |
guez |
14 |
CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow) |
| 616 |
guez |
12 |
WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
| 617 |
guez |
14 |
zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon)+10.0))) |
| 618 |
guez |
12 |
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
| 619 |
|
|
0.6 * (1.0-zfra(1:knon)) |
| 620 |
guez |
3 |
|
| 621 |
|
|
fder_prev = fder |
| 622 |
|
|
fder = fder_prev + dflux_s + dflux_l |
| 623 |
|
|
|
| 624 |
|
|
iloc = maxloc(fder(1:klon)) |
| 625 |
|
|
if (check.and.fder(iloc(1))> 0.) then |
| 626 |
guez |
14 |
WRITE(*, *)'**** Debug fder ****' |
| 627 |
|
|
WRITE(*, *)'max fder(', iloc(1), ') = ', fder(iloc(1)) |
| 628 |
|
|
WRITE(*, *)'fder_prev, dflux_s, dflux_l', fder_prev(iloc(1)), & |
| 629 |
guez |
3 |
& dflux_s(iloc(1)), dflux_l(iloc(1)) |
| 630 |
|
|
endif |
| 631 |
|
|
|
| 632 |
guez |
14 |
|
| 633 |
guez |
3 |
! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean |
| 634 |
guez |
14 |
|
| 635 |
guez |
3 |
z0_new = 0.002 |
| 636 |
|
|
z0_new = SQRT(z0_new**2+rugoro**2) |
| 637 |
|
|
alblw(1:knon) = alb_new(1:knon) |
| 638 |
|
|
|
| 639 |
|
|
else if (nisurf == is_lic) then |
| 640 |
|
|
|
| 641 |
guez |
14 |
if (check) write(*, *)'glacier, nisurf = ', nisurf |
| 642 |
guez |
3 |
|
| 643 |
|
|
if (.not. allocated(run_off_lic)) then |
| 644 |
|
|
allocate(run_off_lic(knon), stat = error) |
| 645 |
|
|
if (error /= 0) then |
| 646 |
|
|
abort_message='Pb allocation run_off_lic' |
| 647 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 648 |
guez |
3 |
endif |
| 649 |
|
|
run_off_lic = 0. |
| 650 |
|
|
endif |
| 651 |
guez |
14 |
|
| 652 |
guez |
3 |
! Surface "glacier continentaux" appel a l'interface avec le sol |
| 653 |
guez |
14 |
|
| 654 |
guez |
3 |
IF (soil_model) THEN |
| 655 |
guez |
14 |
CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil, soilcap, soilflux) |
| 656 |
guez |
3 |
cal(1:knon) = RCPD / soilcap(1:knon) |
| 657 |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
| 658 |
|
|
ELSE |
| 659 |
|
|
cal = RCPD * calice |
| 660 |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
| 661 |
|
|
ENDIF |
| 662 |
|
|
beta = 1.0 |
| 663 |
|
|
dif_grnd = 0.0 |
| 664 |
|
|
|
| 665 |
|
|
call calcul_fluxs( klon, knon, nisurf, dtime, & |
| 666 |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
| 667 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
| 668 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
| 669 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 670 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
| 671 |
|
|
|
| 672 |
|
|
call fonte_neige( klon, knon, nisurf, dtime, & |
| 673 |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
| 674 |
|
|
& precip_rain, precip_snow, snow, qsol, & |
| 675 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
| 676 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 677 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
| 678 |
guez |
14 |
& fqcalving, ffonte, run_off_lic_0) |
| 679 |
guez |
3 |
|
| 680 |
|
|
! passage du run-off des glaciers calcule dans fonte_neige au coupleur |
| 681 |
|
|
bidule=0. |
| 682 |
|
|
bidule(1:knon)= run_off_lic(1:knon) |
| 683 |
guez |
14 |
call gath2cpl(bidule, tmp_rlic, klon, knon, iim, jjm, knindex) |
| 684 |
|
|
|
| 685 |
guez |
3 |
! calcul albedo |
| 686 |
guez |
14 |
|
| 687 |
|
|
CALL albsno(klon, knon, dtime, agesno, alb_neig, precip_snow) |
| 688 |
guez |
3 |
WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
| 689 |
guez |
14 |
zfra(1:knon) = MAX(0.0, MIN(1.0, snow(1:knon)/(snow(1:knon)+10.0))) |
| 690 |
guez |
3 |
alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + & |
| 691 |
|
|
& 0.6 * (1.0-zfra(1:knon)) |
| 692 |
guez |
14 |
|
| 693 |
guez |
3 |
!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux" |
| 694 |
|
|
! alb_new(1 : knon) = 0.6 !IM cf FH/GK |
| 695 |
|
|
! alb_new(1 : knon) = 0.82 |
| 696 |
|
|
! alb_new(1 : knon) = 0.77 !211003 Ksta0.77 |
| 697 |
|
|
! alb_new(1 : knon) = 0.8 !KstaTER0.8 & LMD_ARMIP5 |
| 698 |
|
|
!IM: KstaTER0.77 & LMD_ARMIP6 |
| 699 |
|
|
alb_new(1 : knon) = 0.77 |
| 700 |
|
|
|
| 701 |
guez |
14 |
|
| 702 |
guez |
3 |
! Rugosite |
| 703 |
guez |
14 |
|
| 704 |
guez |
3 |
z0_new = rugoro |
| 705 |
guez |
14 |
|
| 706 |
guez |
3 |
! Remplissage des pourcentages de surface |
| 707 |
|
|
|
| 708 |
guez |
14 |
pctsrf_new(:, nisurf) = pctsrf(:, nisurf) |
| 709 |
|
|
|
| 710 |
guez |
3 |
alblw(1:knon) = alb_new(1:knon) |
| 711 |
|
|
else |
| 712 |
guez |
14 |
write(*, *)'Index surface = ', nisurf |
| 713 |
guez |
3 |
abort_message = 'Index surface non valable' |
| 714 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 715 |
guez |
3 |
endif |
| 716 |
|
|
|
| 717 |
|
|
END SUBROUTINE interfsurf_hq |
| 718 |
|
|
|
| 719 |
|
|
!************************ |
| 720 |
|
|
|
| 721 |
|
|
SUBROUTINE interfoce_slab(klon, debut, itap, dtime, ijour, & |
| 722 |
|
|
& radsol, fluxo, fluxg, pctsrf, & |
| 723 |
|
|
& tslab, seaice, pctsrf_slab) |
| 724 |
guez |
14 |
|
| 725 |
guez |
3 |
! Cette routine calcule la temperature d'un slab ocean, la glace de mer |
| 726 |
|
|
! et les pourcentages de la maille couverte par l'ocean libre et/ou |
| 727 |
|
|
! la glace de mer pour un "slab" ocean de 50m |
| 728 |
guez |
14 |
|
| 729 |
guez |
3 |
! I. Musat 04.02.2005 |
| 730 |
guez |
14 |
|
| 731 |
guez |
3 |
! input: |
| 732 |
|
|
! klon nombre total de points de grille |
| 733 |
|
|
! debut logical: 1er appel a la physique |
| 734 |
|
|
! itap numero du pas de temps |
| 735 |
|
|
! dtime pas de temps de la physique (en s) |
| 736 |
|
|
! ijour jour dans l'annee en cours |
| 737 |
|
|
! radsol rayonnement net au sol (LW + SW) |
| 738 |
|
|
! fluxo flux turbulent (sensible + latent) sur les mailles oceaniques |
| 739 |
|
|
! fluxg flux de conduction entre la surface de la glace de mer et l'ocean |
| 740 |
|
|
! pctsrf tableau des pourcentages de surface de chaque maille |
| 741 |
|
|
! output: |
| 742 |
|
|
! tslab temperature de l'ocean libre |
| 743 |
|
|
! seaice glace de mer (kg/m2) |
| 744 |
|
|
! pctsrf_slab "pourcentages" (valeurs entre 0. et 1.) surfaces issus du slab |
| 745 |
guez |
14 |
|
| 746 |
guez |
3 |
use indicesol |
| 747 |
|
|
use clesphys |
| 748 |
|
|
use abort_gcm_m, only: abort_gcm |
| 749 |
|
|
use YOMCST |
| 750 |
|
|
|
| 751 |
|
|
! Parametres d'entree |
| 752 |
|
|
integer, intent(IN) :: klon |
| 753 |
|
|
logical, intent(IN) :: debut |
| 754 |
|
|
INTEGER, intent(IN) :: itap |
| 755 |
|
|
REAL, intent(IN) :: dtime |
| 756 |
|
|
INTEGER, intent(IN) :: ijour |
| 757 |
|
|
REAL, dimension(klon), intent(IN) :: radsol |
| 758 |
|
|
REAL, dimension(klon), intent(IN) :: fluxo |
| 759 |
|
|
REAL, dimension(klon), intent(IN) :: fluxg |
| 760 |
|
|
real, dimension(klon, nbsrf), intent(IN) :: pctsrf |
| 761 |
|
|
! Parametres de sortie |
| 762 |
|
|
real, dimension(klon), intent(INOUT) :: tslab |
| 763 |
|
|
real, dimension(klon), intent(INOUT) :: seaice ! glace de mer (kg/m2) |
| 764 |
|
|
real, dimension(klon, nbsrf), intent(OUT) :: pctsrf_slab |
| 765 |
guez |
14 |
|
| 766 |
guez |
3 |
! Variables locales : |
| 767 |
|
|
INTEGER, save :: lmt_pas, julien, idayvrai |
| 768 |
|
|
REAL, parameter :: unjour=86400. |
| 769 |
|
|
real, allocatable, dimension(:), save :: tmp_tslab, tmp_seaice |
| 770 |
|
|
REAL, allocatable, dimension(:), save :: slab_bils |
| 771 |
|
|
REAL, allocatable, dimension(:), save :: lmt_bils |
| 772 |
guez |
14 |
logical, save :: check = .false. |
| 773 |
|
|
|
| 774 |
guez |
3 |
REAL, parameter :: cyang=50.0 * 4.228e+06 ! capacite calorifique volumetrique de l'eau J/(m2 K) |
| 775 |
|
|
REAL, parameter :: cbing=0.334e+05 ! J/kg |
| 776 |
|
|
real, dimension(klon) :: siceh !hauteur de la glace de mer (m) |
| 777 |
|
|
INTEGER :: i |
| 778 |
|
|
integer :: sum_error, error |
| 779 |
|
|
REAL :: zz, za, zb |
| 780 |
guez |
14 |
|
| 781 |
guez |
3 |
character (len = 80) :: abort_message |
| 782 |
|
|
character (len = 20) :: modname = 'interfoce_slab' |
| 783 |
guez |
14 |
|
| 784 |
|
|
julien = MOD(ijour, 360) |
| 785 |
guez |
3 |
sum_error = 0 |
| 786 |
|
|
IF (debut) THEN |
| 787 |
|
|
allocate(slab_bils(klon), stat = error); sum_error = sum_error + error |
| 788 |
|
|
allocate(lmt_bils(klon), stat = error); sum_error = sum_error + error |
| 789 |
|
|
allocate(tmp_tslab(klon), stat = error); sum_error = sum_error + error |
| 790 |
|
|
allocate(tmp_seaice(klon), stat = error); sum_error = sum_error + error |
| 791 |
|
|
if (sum_error /= 0) then |
| 792 |
guez |
14 |
abort_message='Pb allocation var. slab_bils, lmt_bils, tmp_tslab, tmp_seaice' |
| 793 |
|
|
call abort_gcm(modname, abort_message, 1) |
| 794 |
guez |
3 |
endif |
| 795 |
|
|
tmp_tslab=tslab |
| 796 |
|
|
tmp_seaice=seaice |
| 797 |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
| 798 |
guez |
14 |
|
| 799 |
guez |
3 |
IF (check) THEN |
| 800 |
guez |
14 |
PRINT*, 'interfoce_slab klon, debut, itap, dtime, ijour, & |
| 801 |
guez |
3 |
& lmt_pas ', klon, debut, itap, dtime, ijour, & |
| 802 |
|
|
& lmt_pas |
| 803 |
|
|
ENDIF !check |
| 804 |
guez |
14 |
|
| 805 |
guez |
3 |
PRINT*, '************************' |
| 806 |
|
|
PRINT*, 'SLAB OCEAN est actif, prenez precautions !' |
| 807 |
|
|
PRINT*, '************************' |
| 808 |
guez |
14 |
|
| 809 |
guez |
3 |
! a mettre un slab_bils aussi en force !!! |
| 810 |
guez |
14 |
|
| 811 |
guez |
3 |
DO i = 1, klon |
| 812 |
|
|
slab_bils(i) = 0.0 |
| 813 |
|
|
ENDDO |
| 814 |
guez |
14 |
|
| 815 |
guez |
3 |
ENDIF !debut |
| 816 |
guez |
14 |
pctsrf_slab(1:klon, 1:nbsrf) = pctsrf(1:klon, 1:nbsrf) |
| 817 |
|
|
|
| 818 |
guez |
3 |
! lecture du bilan au sol lmt_bils issu d'une simulation forcee en debut de journee |
| 819 |
guez |
14 |
|
| 820 |
|
|
IF (MOD(itap, lmt_pas) .EQ. 1) THEN !1er pas de temps de la journee |
| 821 |
guez |
3 |
idayvrai = ijour |
| 822 |
guez |
14 |
CALL condsurf(julien, idayvrai, lmt_bils) |
| 823 |
|
|
ENDIF !(MOD(itap-1, lmt_pas) .EQ. 0) THEN |
| 824 |
guez |
3 |
|
| 825 |
|
|
DO i = 1, klon |
| 826 |
guez |
14 |
IF((pctsrf_slab(i, is_oce).GT.epsfra).OR. & |
| 827 |
|
|
& (pctsrf_slab(i, is_sic).GT.epsfra)) THEN |
| 828 |
|
|
|
| 829 |
guez |
3 |
! fabriquer de la glace si congelation atteinte: |
| 830 |
guez |
14 |
|
| 831 |
guez |
3 |
IF (tmp_tslab(i).LT.(RTT-1.8)) THEN |
| 832 |
|
|
zz = (RTT-1.8)-tmp_tslab(i) |
| 833 |
|
|
tmp_seaice(i) = tmp_seaice(i) + cyang/cbing * zz |
| 834 |
|
|
seaice(i) = tmp_seaice(i) |
| 835 |
|
|
tmp_tslab(i) = RTT-1.8 |
| 836 |
|
|
ENDIF |
| 837 |
guez |
14 |
|
| 838 |
guez |
3 |
! faire fondre de la glace si temperature est superieure a 0: |
| 839 |
guez |
14 |
|
| 840 |
guez |
3 |
IF ((tmp_tslab(i).GT.RTT) .AND. (tmp_seaice(i).GT.0.0)) THEN |
| 841 |
|
|
zz = cyang/cbing * (tmp_tslab(i)-RTT) |
| 842 |
guez |
14 |
zz = MIN(zz, tmp_seaice(i)) |
| 843 |
guez |
3 |
tmp_seaice(i) = tmp_seaice(i) - zz |
| 844 |
|
|
seaice(i) = tmp_seaice(i) |
| 845 |
|
|
tmp_tslab(i) = tmp_tslab(i) - zz*cbing/cyang |
| 846 |
|
|
ENDIF |
| 847 |
guez |
14 |
|
| 848 |
guez |
3 |
! limiter la glace de mer a 10 metres (10000 kg/m2) |
| 849 |
guez |
14 |
|
| 850 |
guez |
3 |
IF(tmp_seaice(i).GT.45.) THEN |
| 851 |
guez |
14 |
tmp_seaice(i) = MIN(tmp_seaice(i), 10000.0) |
| 852 |
guez |
3 |
ELSE |
| 853 |
|
|
tmp_seaice(i) = 0. |
| 854 |
|
|
ENDIF |
| 855 |
|
|
seaice(i) = tmp_seaice(i) |
| 856 |
|
|
siceh(i)=tmp_seaice(i)/1000. !en metres |
| 857 |
guez |
14 |
|
| 858 |
guez |
3 |
! determiner la nature du sol (glace de mer ou ocean libre): |
| 859 |
guez |
14 |
|
| 860 |
|
|
! on fait dependre la fraction de seaice "pctsrf(i, is_sic)" |
| 861 |
guez |
3 |
! de l'epaisseur de seaice : |
| 862 |
guez |
14 |
! pctsrf(i, is_sic)=1. si l'epaisseur de la glace de mer est >= a 20cm |
| 863 |
|
|
! et pctsrf(i, is_sic) croit lineairement avec seaice de 0. a 20cm d'epaisseur |
| 864 |
|
|
|
| 865 |
|
|
pctsrf_slab(i, is_sic)=MIN(siceh(i)/0.20, & |
| 866 |
|
|
& 1.-(pctsrf_slab(i, is_ter)+pctsrf_slab(i, is_lic))) |
| 867 |
|
|
pctsrf_slab(i, is_oce)=1.0 - & |
| 868 |
|
|
& (pctsrf_slab(i, is_ter)+pctsrf_slab(i, is_lic)+pctsrf_slab(i, is_sic)) |
| 869 |
guez |
3 |
ENDIF !pctsrf |
| 870 |
|
|
ENDDO |
| 871 |
guez |
14 |
|
| 872 |
guez |
3 |
! Calculer le bilan du flux de chaleur au sol : |
| 873 |
guez |
14 |
|
| 874 |
guez |
3 |
DO i = 1, klon |
| 875 |
|
|
za = radsol(i) + fluxo(i) |
| 876 |
|
|
zb = fluxg(i) |
| 877 |
guez |
14 |
IF((pctsrf_slab(i, is_oce).GT.epsfra).OR. & |
| 878 |
|
|
& (pctsrf_slab(i, is_sic).GT.epsfra)) THEN |
| 879 |
|
|
slab_bils(i)=slab_bils(i)+(za*pctsrf_slab(i, is_oce) & |
| 880 |
|
|
& +zb*pctsrf_slab(i, is_sic))/ FLOAT(lmt_pas) |
| 881 |
guez |
3 |
ENDIF |
| 882 |
|
|
ENDDO !klon |
| 883 |
guez |
14 |
|
| 884 |
guez |
3 |
! calcul tslab |
| 885 |
guez |
14 |
|
| 886 |
|
|
IF (MOD(itap, lmt_pas).EQ.0) THEN !fin de journee |
| 887 |
guez |
3 |
DO i = 1, klon |
| 888 |
guez |
14 |
IF ((pctsrf_slab(i, is_oce).GT.epsfra).OR. & |
| 889 |
|
|
& (pctsrf_slab(i, is_sic).GT.epsfra)) THEN |
| 890 |
guez |
3 |
tmp_tslab(i) = tmp_tslab(i) + & |
| 891 |
|
|
& (slab_bils(i)-lmt_bils(i)) & |
| 892 |
|
|
& /cyang*unjour |
| 893 |
|
|
! on remet l'accumulation a 0 |
| 894 |
|
|
slab_bils(i) = 0. |
| 895 |
|
|
ENDIF !pctsrf |
| 896 |
|
|
ENDDO !klon |
| 897 |
guez |
14 |
ENDIF !(MOD(itap, lmt_pas).EQ.0) THEN |
| 898 |
|
|
|
| 899 |
guez |
3 |
tslab = tmp_tslab |
| 900 |
|
|
seaice = tmp_seaice |
| 901 |
|
|
END SUBROUTINE interfoce_slab |
| 902 |
|
|
|
| 903 |
|
|
!************************ |
| 904 |
|
|
|
| 905 |
|
|
SUBROUTINE interfoce_lim(itime, dtime, jour, & |
| 906 |
|
|
& klon, nisurf, knon, knindex, & |
| 907 |
|
|
& debut, & |
| 908 |
|
|
& lmt_sst, pctsrf_new) |
| 909 |
|
|
|
| 910 |
guez |
14 |
! Cette routine sert d'interface entre le modele atmospherique et |
| 911 |
|
|
! un fichier de conditions aux limites |
| 912 |
|
|
|
| 913 |
guez |
3 |
! L. Fairhead 02/2000 |
| 914 |
|
|
|
| 915 |
|
|
use abort_gcm_m, only: abort_gcm |
| 916 |
|
|
use indicesol |
| 917 |
|
|
|
| 918 |
guez |
14 |
integer, intent(IN) :: itime ! numero du pas de temps courant |
| 919 |
|
|
real , intent(IN) :: dtime ! pas de temps de la physique (en s) |
| 920 |
|
|
integer, intent(IN) :: jour ! jour a lire dans l'annee |
| 921 |
|
|
integer, intent(IN) :: nisurf ! index de la surface a traiter (1 = sol continental) |
| 922 |
|
|
integer, intent(IN) :: knon ! nombre de points dans le domaine a traiter |
| 923 |
|
|
integer, intent(IN) :: klon ! taille de la grille |
| 924 |
|
|
integer, dimension(klon), intent(in) :: knindex ! index des points de la surface a traiter |
| 925 |
|
|
logical, intent(IN) :: debut ! logical: 1er appel a la physique (initialisation) |
| 926 |
guez |
3 |
|
| 927 |
|
|
! Parametres de sortie |
| 928 |
guez |
14 |
! output: |
| 929 |
|
|
! lmt_sst SST lues dans le fichier de CL |
| 930 |
|
|
! pctsrf_new sous-maille fractionnelle |
| 931 |
guez |
3 |
real, intent(out), dimension(klon) :: lmt_sst |
| 932 |
guez |
14 |
real, intent(out), dimension(klon, nbsrf) :: pctsrf_new |
| 933 |
guez |
3 |
|
| 934 |
|
|
! Variables locales |
| 935 |
|
|
integer :: ii |
| 936 |
guez |
14 |
INTEGER, save :: lmt_pas ! frequence de lecture des conditions limites |
| 937 |
guez |
3 |
! (en pas de physique) |
| 938 |
guez |
14 |
logical, save :: deja_lu ! pour indiquer que le jour a lire a deja |
| 939 |
guez |
3 |
! lu pour une surface precedente |
| 940 |
guez |
14 |
integer, save :: jour_lu |
| 941 |
guez |
3 |
integer :: ierr |
| 942 |
|
|
character (len = 20) :: modname = 'interfoce_lim' |
| 943 |
|
|
character (len = 80) :: abort_message |
| 944 |
|
|
logical, save :: newlmt = .TRUE. |
| 945 |
|
|
logical, save :: check = .FALSE. |
| 946 |
|
|
! Champs lus dans le fichier de CL |
| 947 |
|
|
real, allocatable , save, dimension(:) :: sst_lu, rug_lu, nat_lu |
| 948 |
guez |
14 |
real, allocatable , save, dimension(:, :) :: pct_tmp |
| 949 |
|
|
|
| 950 |
guez |
3 |
! quelques variables pour netcdf |
| 951 |
guez |
14 |
|
| 952 |
guez |
3 |
include "netcdf.inc" |
| 953 |
|
|
integer :: nid, nvarid |
| 954 |
|
|
integer, dimension(2) :: start, epais |
| 955 |
|
|
|
| 956 |
guez |
14 |
! -------------------------------------------------- |
| 957 |
|
|
|
| 958 |
guez |
3 |
if (debut .and. .not. allocated(sst_lu)) then |
| 959 |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
| 960 |
|
|
jour_lu = jour - 1 |
| 961 |
|
|
allocate(sst_lu(klon)) |
| 962 |
|
|
allocate(nat_lu(klon)) |
| 963 |
guez |
14 |
allocate(pct_tmp(klon, nbsrf)) |
| 964 |
guez |
3 |
endif |
| 965 |
|
|
|
| 966 |
|
|
if ((jour - jour_lu) /= 0) deja_lu = .false. |
| 967 |
|
|
|
| 968 |
guez |
14 |
if (check) write(*, *)modname, ' :: jour, jour_lu, deja_lu', jour, jour_lu, & |
| 969 |
guez |
3 |
deja_lu |
| 970 |
guez |
14 |
if (check) write(*, *)modname, ' :: itime, lmt_pas ', itime, lmt_pas, dtime |
| 971 |
guez |
3 |
|
| 972 |
|
|
! Tester d'abord si c'est le moment de lire le fichier |
| 973 |
|
|
if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu) then |
| 974 |
guez |
14 |
|
| 975 |
guez |
3 |
! Ouverture du fichier |
| 976 |
guez |
14 |
|
| 977 |
|
|
ierr = NF_OPEN ('limit.nc', NF_NOWRITE, nid) |
| 978 |
guez |
3 |
if (ierr.NE.NF_NOERR) then |
| 979 |
|
|
abort_message & |
| 980 |
|
|
= 'Pb d''ouverture du fichier de conditions aux limites' |
| 981 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 982 |
guez |
3 |
endif |
| 983 |
guez |
14 |
|
| 984 |
guez |
3 |
! La tranche de donnees a lire: |
| 985 |
guez |
14 |
|
| 986 |
guez |
3 |
start(1) = 1 |
| 987 |
|
|
start(2) = jour |
| 988 |
|
|
epais(1) = klon |
| 989 |
|
|
epais(2) = 1 |
| 990 |
guez |
14 |
|
| 991 |
guez |
3 |
if (newlmt) then |
| 992 |
guez |
14 |
|
| 993 |
guez |
3 |
! Fraction "ocean" |
| 994 |
guez |
14 |
|
| 995 |
guez |
3 |
ierr = NF_INQ_VARID(nid, 'FOCE', nvarid) |
| 996 |
|
|
if (ierr /= NF_NOERR) then |
| 997 |
|
|
abort_message = 'Le champ <FOCE> est absent' |
| 998 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 999 |
guez |
3 |
endif |
| 1000 |
guez |
14 |
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, pct_tmp(1, is_oce)) |
| 1001 |
guez |
3 |
if (ierr /= NF_NOERR) then |
| 1002 |
|
|
abort_message = 'Lecture echouee pour <FOCE>' |
| 1003 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1004 |
guez |
3 |
endif |
| 1005 |
guez |
14 |
|
| 1006 |
guez |
3 |
! Fraction "glace de mer" |
| 1007 |
guez |
14 |
|
| 1008 |
guez |
3 |
ierr = NF_INQ_VARID(nid, 'FSIC', nvarid) |
| 1009 |
|
|
if (ierr /= NF_NOERR) then |
| 1010 |
|
|
abort_message = 'Le champ <FSIC> est absent' |
| 1011 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1012 |
guez |
3 |
endif |
| 1013 |
guez |
14 |
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, pct_tmp(1, is_sic)) |
| 1014 |
guez |
3 |
if (ierr /= NF_NOERR) then |
| 1015 |
|
|
abort_message = 'Lecture echouee pour <FSIC>' |
| 1016 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1017 |
guez |
3 |
endif |
| 1018 |
guez |
14 |
|
| 1019 |
guez |
3 |
! Fraction "terre" |
| 1020 |
guez |
14 |
|
| 1021 |
guez |
3 |
ierr = NF_INQ_VARID(nid, 'FTER', nvarid) |
| 1022 |
|
|
if (ierr /= NF_NOERR) then |
| 1023 |
|
|
abort_message = 'Le champ <FTER> est absent' |
| 1024 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1025 |
guez |
3 |
endif |
| 1026 |
guez |
14 |
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, pct_tmp(1, is_ter)) |
| 1027 |
guez |
3 |
if (ierr /= NF_NOERR) then |
| 1028 |
|
|
abort_message = 'Lecture echouee pour <FTER>' |
| 1029 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1030 |
guez |
3 |
endif |
| 1031 |
guez |
14 |
|
| 1032 |
guez |
3 |
! Fraction "glacier terre" |
| 1033 |
guez |
14 |
|
| 1034 |
guez |
3 |
ierr = NF_INQ_VARID(nid, 'FLIC', nvarid) |
| 1035 |
|
|
if (ierr /= NF_NOERR) then |
| 1036 |
|
|
abort_message = 'Le champ <FLIC> est absent' |
| 1037 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1038 |
guez |
3 |
endif |
| 1039 |
guez |
14 |
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, pct_tmp(1, is_lic)) |
| 1040 |
guez |
3 |
if (ierr /= NF_NOERR) then |
| 1041 |
|
|
abort_message = 'Lecture echouee pour <FLIC>' |
| 1042 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1043 |
guez |
3 |
endif |
| 1044 |
guez |
14 |
|
| 1045 |
guez |
3 |
else ! on en est toujours a rnatur |
| 1046 |
guez |
14 |
|
| 1047 |
guez |
3 |
ierr = NF_INQ_VARID(nid, 'NAT', nvarid) |
| 1048 |
|
|
if (ierr /= NF_NOERR) then |
| 1049 |
|
|
abort_message = 'Le champ <NAT> est absent' |
| 1050 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1051 |
guez |
3 |
endif |
| 1052 |
guez |
14 |
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, nat_lu) |
| 1053 |
guez |
3 |
if (ierr /= NF_NOERR) then |
| 1054 |
|
|
abort_message = 'Lecture echouee pour <NAT>' |
| 1055 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1056 |
guez |
3 |
endif |
| 1057 |
guez |
14 |
|
| 1058 |
guez |
3 |
! Remplissage des fractions de surface |
| 1059 |
|
|
! nat = 0, 1, 2, 3 pour ocean, terre, glacier, seaice |
| 1060 |
guez |
14 |
|
| 1061 |
guez |
3 |
pct_tmp = 0.0 |
| 1062 |
|
|
do ii = 1, klon |
| 1063 |
guez |
14 |
pct_tmp(ii, nint(nat_lu(ii)) + 1) = 1. |
| 1064 |
guez |
3 |
enddo |
| 1065 |
|
|
|
| 1066 |
guez |
14 |
|
| 1067 |
guez |
3 |
! On se retrouve avec ocean en 1 et terre en 2 alors qu'on veut le contraire |
| 1068 |
guez |
14 |
|
| 1069 |
guez |
3 |
pctsrf_new = pct_tmp |
| 1070 |
guez |
14 |
pctsrf_new (:, 2)= pct_tmp (:, 1) |
| 1071 |
|
|
pctsrf_new (:, 1)= pct_tmp (:, 2) |
| 1072 |
guez |
3 |
pct_tmp = pctsrf_new |
| 1073 |
|
|
endif ! fin test sur newlmt |
| 1074 |
guez |
14 |
|
| 1075 |
guez |
3 |
! Lecture SST |
| 1076 |
guez |
14 |
|
| 1077 |
guez |
3 |
ierr = NF_INQ_VARID(nid, 'SST', nvarid) |
| 1078 |
|
|
if (ierr /= NF_NOERR) then |
| 1079 |
|
|
abort_message = 'Le champ <SST> est absent' |
| 1080 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1081 |
guez |
3 |
endif |
| 1082 |
guez |
14 |
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, sst_lu) |
| 1083 |
guez |
3 |
if (ierr /= NF_NOERR) then |
| 1084 |
|
|
abort_message = 'Lecture echouee pour <SST>' |
| 1085 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1086 |
guez |
3 |
endif |
| 1087 |
|
|
|
| 1088 |
guez |
14 |
|
| 1089 |
guez |
3 |
! Fin de lecture |
| 1090 |
guez |
14 |
|
| 1091 |
guez |
3 |
ierr = NF_CLOSE(nid) |
| 1092 |
|
|
deja_lu = .true. |
| 1093 |
|
|
jour_lu = jour |
| 1094 |
|
|
endif |
| 1095 |
guez |
14 |
|
| 1096 |
guez |
3 |
! Recopie des variables dans les champs de sortie |
| 1097 |
guez |
14 |
|
| 1098 |
guez |
3 |
lmt_sst = 999999999. |
| 1099 |
|
|
do ii = 1, knon |
| 1100 |
|
|
lmt_sst(ii) = sst_lu(knindex(ii)) |
| 1101 |
|
|
enddo |
| 1102 |
|
|
|
| 1103 |
guez |
14 |
pctsrf_new(:, is_oce) = pct_tmp(:, is_oce) |
| 1104 |
|
|
pctsrf_new(:, is_sic) = pct_tmp(:, is_sic) |
| 1105 |
guez |
3 |
|
| 1106 |
|
|
END SUBROUTINE interfoce_lim |
| 1107 |
|
|
|
| 1108 |
|
|
!************************ |
| 1109 |
|
|
|
| 1110 |
|
|
SUBROUTINE interfsur_lim(itime, dtime, jour, & |
| 1111 |
|
|
& klon, nisurf, knon, knindex, & |
| 1112 |
|
|
& debut, & |
| 1113 |
|
|
& lmt_alb, lmt_rug) |
| 1114 |
|
|
|
| 1115 |
|
|
! Cette routine sert d'interface entre le modèle atmosphérique et |
| 1116 |
|
|
! un fichier de conditions aux limites. |
| 1117 |
guez |
14 |
|
| 1118 |
guez |
3 |
! L. Fairhead 02/2000 |
| 1119 |
guez |
14 |
|
| 1120 |
|
|
use abort_gcm_m, only: abort_gcm |
| 1121 |
|
|
|
| 1122 |
|
|
! Parametres d'entree |
| 1123 |
guez |
3 |
! input: |
| 1124 |
|
|
! itime numero du pas de temps courant |
| 1125 |
|
|
! dtime pas de temps de la physique (en s) |
| 1126 |
|
|
! jour jour a lire dans l'annee |
| 1127 |
|
|
! nisurf index de la surface a traiter (1 = sol continental) |
| 1128 |
|
|
! knon nombre de points dans le domaine a traiter |
| 1129 |
|
|
! knindex index des points de la surface a traiter |
| 1130 |
|
|
! klon taille de la grille |
| 1131 |
|
|
! debut logical: 1er appel a la physique (initialisation) |
| 1132 |
|
|
integer, intent(IN) :: itime |
| 1133 |
|
|
real , intent(IN) :: dtime |
| 1134 |
|
|
integer, intent(IN) :: jour |
| 1135 |
|
|
integer, intent(IN) :: nisurf |
| 1136 |
|
|
integer, intent(IN) :: knon |
| 1137 |
|
|
integer, intent(IN) :: klon |
| 1138 |
|
|
integer, dimension(klon), intent(in) :: knindex |
| 1139 |
|
|
logical, intent(IN) :: debut |
| 1140 |
|
|
|
| 1141 |
|
|
! Parametres de sortie |
| 1142 |
guez |
14 |
! output: |
| 1143 |
|
|
! lmt_sst SST lues dans le fichier de CL |
| 1144 |
|
|
! lmt_alb Albedo lu |
| 1145 |
|
|
! lmt_rug longueur de rugosité lue |
| 1146 |
|
|
! pctsrf_new sous-maille fractionnelle |
| 1147 |
guez |
3 |
real, intent(out), dimension(klon) :: lmt_alb |
| 1148 |
|
|
real, intent(out), dimension(klon) :: lmt_rug |
| 1149 |
|
|
|
| 1150 |
|
|
! Variables locales |
| 1151 |
|
|
integer :: ii |
| 1152 |
guez |
14 |
integer, save :: lmt_pas ! frequence de lecture des conditions limites |
| 1153 |
guez |
3 |
! (en pas de physique) |
| 1154 |
guez |
14 |
logical, save :: deja_lu_sur! pour indiquer que le jour a lire a deja |
| 1155 |
guez |
3 |
! lu pour une surface precedente |
| 1156 |
guez |
14 |
integer, save :: jour_lu_sur |
| 1157 |
guez |
3 |
integer :: ierr |
| 1158 |
|
|
character (len = 20) :: modname = 'interfsur_lim' |
| 1159 |
|
|
character (len = 80) :: abort_message |
| 1160 |
guez |
14 |
logical, save :: newlmt = .false. |
| 1161 |
|
|
logical, save :: check = .false. |
| 1162 |
guez |
3 |
! Champs lus dans le fichier de CL |
| 1163 |
|
|
real, allocatable , save, dimension(:) :: alb_lu, rug_lu |
| 1164 |
guez |
14 |
|
| 1165 |
guez |
3 |
! quelques variables pour netcdf |
| 1166 |
guez |
14 |
|
| 1167 |
guez |
3 |
include "netcdf.inc" |
| 1168 |
guez |
14 |
integer , save :: nid, nvarid |
| 1169 |
|
|
integer, dimension(2), save :: start, epais |
| 1170 |
guez |
3 |
|
| 1171 |
guez |
14 |
!------------------------------------------------------------ |
| 1172 |
|
|
|
| 1173 |
guez |
3 |
if (debut) then |
| 1174 |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
| 1175 |
|
|
jour_lu_sur = jour - 1 |
| 1176 |
|
|
allocate(alb_lu(klon)) |
| 1177 |
|
|
allocate(rug_lu(klon)) |
| 1178 |
|
|
endif |
| 1179 |
|
|
|
| 1180 |
|
|
if ((jour - jour_lu_sur) /= 0) deja_lu_sur = .false. |
| 1181 |
|
|
|
| 1182 |
guez |
14 |
if (check) write(*, *)modname, ':: jour_lu_sur, deja_lu_sur', jour_lu_sur, & |
| 1183 |
guez |
3 |
deja_lu_sur |
| 1184 |
guez |
14 |
if (check) write(*, *)modname, ':: itime, lmt_pas', itime, lmt_pas |
| 1185 |
guez |
3 |
|
| 1186 |
|
|
! Tester d'abord si c'est le moment de lire le fichier |
| 1187 |
|
|
if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu_sur) then |
| 1188 |
guez |
14 |
|
| 1189 |
guez |
3 |
! Ouverture du fichier |
| 1190 |
guez |
14 |
|
| 1191 |
|
|
ierr = NF_OPEN ('limit.nc', NF_NOWRITE, nid) |
| 1192 |
guez |
3 |
if (ierr.NE.NF_NOERR) then |
| 1193 |
|
|
abort_message & |
| 1194 |
|
|
= 'Pb d''ouverture du fichier de conditions aux limites' |
| 1195 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1196 |
guez |
3 |
endif |
| 1197 |
guez |
14 |
|
| 1198 |
guez |
3 |
! La tranche de donnees a lire: |
| 1199 |
|
|
|
| 1200 |
|
|
start(1) = 1 |
| 1201 |
|
|
start(2) = jour |
| 1202 |
|
|
epais(1) = klon |
| 1203 |
|
|
epais(2) = 1 |
| 1204 |
guez |
14 |
|
| 1205 |
guez |
3 |
! Lecture Albedo |
| 1206 |
guez |
14 |
|
| 1207 |
guez |
3 |
ierr = NF_INQ_VARID(nid, 'ALB', nvarid) |
| 1208 |
|
|
if (ierr /= NF_NOERR) then |
| 1209 |
|
|
abort_message = 'Le champ <ALB> est absent' |
| 1210 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1211 |
guez |
3 |
endif |
| 1212 |
guez |
14 |
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, alb_lu) |
| 1213 |
guez |
3 |
if (ierr /= NF_NOERR) then |
| 1214 |
|
|
abort_message = 'Lecture echouee pour <ALB>' |
| 1215 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1216 |
guez |
3 |
endif |
| 1217 |
guez |
14 |
|
| 1218 |
guez |
3 |
! Lecture rugosité |
| 1219 |
guez |
14 |
|
| 1220 |
guez |
3 |
ierr = NF_INQ_VARID(nid, 'RUG', nvarid) |
| 1221 |
|
|
if (ierr /= NF_NOERR) then |
| 1222 |
|
|
abort_message = 'Le champ <RUG> est absent' |
| 1223 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1224 |
guez |
3 |
endif |
| 1225 |
guez |
14 |
ierr = NF_GET_VARA_REAL(nid, nvarid, start, epais, rug_lu) |
| 1226 |
guez |
3 |
if (ierr /= NF_NOERR) then |
| 1227 |
|
|
abort_message = 'Lecture echouee pour <RUG>' |
| 1228 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1229 |
guez |
3 |
endif |
| 1230 |
|
|
|
| 1231 |
guez |
14 |
|
| 1232 |
guez |
3 |
! Fin de lecture |
| 1233 |
guez |
14 |
|
| 1234 |
guez |
3 |
ierr = NF_CLOSE(nid) |
| 1235 |
|
|
deja_lu_sur = .true. |
| 1236 |
|
|
jour_lu_sur = jour |
| 1237 |
|
|
endif |
| 1238 |
guez |
14 |
|
| 1239 |
guez |
3 |
! Recopie des variables dans les champs de sortie |
| 1240 |
guez |
14 |
|
| 1241 |
|
|
!!$ lmt_alb = 0.0 |
| 1242 |
|
|
!!$ lmt_rug = 0.0 |
| 1243 |
|
|
lmt_alb = 999999. |
| 1244 |
|
|
lmt_rug = 999999. |
| 1245 |
guez |
3 |
DO ii = 1, knon |
| 1246 |
|
|
lmt_alb(ii) = alb_lu(knindex(ii)) |
| 1247 |
|
|
lmt_rug(ii) = rug_lu(knindex(ii)) |
| 1248 |
|
|
enddo |
| 1249 |
|
|
|
| 1250 |
|
|
END SUBROUTINE interfsur_lim |
| 1251 |
|
|
|
| 1252 |
|
|
!************************ |
| 1253 |
|
|
|
| 1254 |
|
|
SUBROUTINE calcul_fluxs( klon, knon, nisurf, dtime, & |
| 1255 |
|
|
& tsurf, p1lay, cal, beta, coef1lay, ps, & |
| 1256 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
| 1257 |
|
|
& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, & |
| 1258 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 1259 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
| 1260 |
|
|
|
| 1261 |
|
|
! Cette routine calcule les fluxs en h et q a l'interface et eventuellement |
| 1262 |
|
|
! une temperature de surface (au cas ou ok_veget = false) |
| 1263 |
guez |
14 |
|
| 1264 |
guez |
3 |
! L. Fairhead 4/2000 |
| 1265 |
guez |
14 |
|
| 1266 |
guez |
3 |
! input: |
| 1267 |
|
|
! knon nombre de points a traiter |
| 1268 |
|
|
! nisurf surface a traiter |
| 1269 |
|
|
! tsurf temperature de surface |
| 1270 |
|
|
! p1lay pression 1er niveau (milieu de couche) |
| 1271 |
|
|
! cal capacite calorifique du sol |
| 1272 |
|
|
! beta evap reelle |
| 1273 |
|
|
! coef1lay coefficient d'echange |
| 1274 |
|
|
! ps pression au sol |
| 1275 |
|
|
! precip_rain precipitations liquides |
| 1276 |
|
|
! precip_snow precipitations solides |
| 1277 |
|
|
! snow champs hauteur de neige |
| 1278 |
|
|
! runoff runoff en cas de trop plein |
| 1279 |
|
|
! petAcoef coeff. A de la resolution de la CL pour t |
| 1280 |
|
|
! peqAcoef coeff. A de la resolution de la CL pour q |
| 1281 |
|
|
! petBcoef coeff. B de la resolution de la CL pour t |
| 1282 |
|
|
! peqBcoef coeff. B de la resolution de la CL pour q |
| 1283 |
|
|
! radsol rayonnement net aus sol (LW + SW) |
| 1284 |
|
|
! dif_grnd coeff. diffusion vers le sol profond |
| 1285 |
guez |
14 |
|
| 1286 |
guez |
3 |
! output: |
| 1287 |
|
|
! tsurf_new temperature au sol |
| 1288 |
|
|
! qsurf humidite de l'air au dessus du sol |
| 1289 |
|
|
! fluxsens flux de chaleur sensible |
| 1290 |
|
|
! fluxlat flux de chaleur latente |
| 1291 |
|
|
! dflux_s derivee du flux de chaleur sensible / Ts |
| 1292 |
|
|
! dflux_l derivee du flux de chaleur latente / Ts |
| 1293 |
|
|
|
| 1294 |
guez |
14 |
|
| 1295 |
guez |
3 |
use indicesol |
| 1296 |
|
|
use abort_gcm_m, only: abort_gcm |
| 1297 |
|
|
use yoethf |
| 1298 |
|
|
use fcttre, only: thermcep, foeew, qsats, qsatl, foede, dqsats, dqsatl |
| 1299 |
|
|
use YOMCST |
| 1300 |
|
|
|
| 1301 |
|
|
! Parametres d'entree |
| 1302 |
|
|
integer, intent(IN) :: knon, nisurf, klon |
| 1303 |
|
|
real , intent(IN) :: dtime |
| 1304 |
|
|
real, dimension(klon), intent(IN) :: petAcoef, peqAcoef |
| 1305 |
|
|
real, dimension(klon), intent(IN) :: petBcoef, peqBcoef |
| 1306 |
|
|
real, dimension(klon), intent(IN) :: ps, q1lay |
| 1307 |
|
|
real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay |
| 1308 |
|
|
real, dimension(klon), intent(IN) :: precip_rain, precip_snow |
| 1309 |
|
|
real, dimension(klon), intent(IN) :: radsol, dif_grnd |
| 1310 |
|
|
real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay |
| 1311 |
|
|
real, dimension(klon), intent(INOUT) :: snow, qsurf |
| 1312 |
|
|
|
| 1313 |
|
|
! Parametres sorties |
| 1314 |
|
|
real, dimension(klon), intent(OUT):: tsurf_new, evap, fluxsens, fluxlat |
| 1315 |
|
|
real, dimension(klon), intent(OUT):: dflux_s, dflux_l |
| 1316 |
|
|
|
| 1317 |
|
|
! Variables locales |
| 1318 |
|
|
integer :: i |
| 1319 |
|
|
real, dimension(klon) :: zx_mh, zx_nh, zx_oh |
| 1320 |
|
|
real, dimension(klon) :: zx_mq, zx_nq, zx_oq |
| 1321 |
|
|
real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef |
| 1322 |
|
|
real, dimension(klon) :: zx_sl, zx_k1 |
| 1323 |
|
|
real, dimension(klon) :: zx_q_0 , d_ts |
| 1324 |
|
|
real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh |
| 1325 |
|
|
real :: bilan_f, fq_fonte |
| 1326 |
|
|
REAL :: subli, fsno |
| 1327 |
|
|
REAL :: qsat_new, q1_new |
| 1328 |
|
|
real, parameter :: t_grnd = 271.35, t_coup = 273.15 |
| 1329 |
|
|
!! PB temporaire en attendant mieux pour le modele de neige |
| 1330 |
|
|
REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15) |
| 1331 |
guez |
14 |
|
| 1332 |
guez |
3 |
logical, save :: check = .false. |
| 1333 |
|
|
character (len = 20) :: modname = 'calcul_fluxs' |
| 1334 |
|
|
logical, save :: fonte_neige = .false. |
| 1335 |
|
|
real, save :: max_eau_sol = 150.0 |
| 1336 |
|
|
character (len = 80) :: abort_message |
| 1337 |
guez |
14 |
logical, save :: first = .true., second=.false. |
| 1338 |
guez |
3 |
|
| 1339 |
guez |
14 |
if (check) write(*, *)'Entree ', modname, ' surface = ', nisurf |
| 1340 |
guez |
3 |
|
| 1341 |
|
|
IF (check) THEN |
| 1342 |
guez |
14 |
WRITE(*, *)' radsol (min, max)' & |
| 1343 |
guez |
3 |
& , MINVAL(radsol(1:knon)), MAXVAL(radsol(1:knon)) |
| 1344 |
|
|
!!CALL flush(6) |
| 1345 |
|
|
ENDIF |
| 1346 |
|
|
|
| 1347 |
|
|
if (size(coastalflow) /= knon .AND. nisurf == is_ter) then |
| 1348 |
guez |
14 |
write(*, *)'Bizarre, le nombre de points continentaux' |
| 1349 |
|
|
write(*, *)'a change entre deux appels. J''arrete ...' |
| 1350 |
guez |
3 |
abort_message='Pb run_off' |
| 1351 |
guez |
14 |
call abort_gcm(modname, abort_message, 1) |
| 1352 |
guez |
3 |
endif |
| 1353 |
guez |
14 |
|
| 1354 |
guez |
3 |
! Traitement neige et humidite du sol |
| 1355 |
guez |
14 |
|
| 1356 |
|
|
!!$ WRITE(*, *)'test calcul_flux, surface ', nisurf |
| 1357 |
guez |
3 |
!!PB test |
| 1358 |
|
|
!!$ if (nisurf == is_oce) then |
| 1359 |
|
|
!!$ snow = 0. |
| 1360 |
|
|
!!$ qsol = max_eau_sol |
| 1361 |
|
|
!!$ else |
| 1362 |
|
|
!!$ where (precip_snow > 0.) snow = snow + (precip_snow * dtime) |
| 1363 |
|
|
!!$ where (snow > epsilon(snow)) snow = max(0.0, snow - (evap * dtime)) |
| 1364 |
|
|
!!$! snow = max(0.0, snow + (precip_snow - evap) * dtime) |
| 1365 |
|
|
!!$ where (precip_rain > 0.) qsol = qsol + (precip_rain - evap) * dtime |
| 1366 |
|
|
!!$ endif |
| 1367 |
|
|
!!$ IF (nisurf /= is_ter) qsol = max_eau_sol |
| 1368 |
|
|
|
| 1369 |
guez |
14 |
|
| 1370 |
guez |
3 |
! Initialisation |
| 1371 |
guez |
14 |
|
| 1372 |
guez |
3 |
evap = 0. |
| 1373 |
|
|
fluxsens=0. |
| 1374 |
|
|
fluxlat=0. |
| 1375 |
|
|
dflux_s = 0. |
| 1376 |
|
|
dflux_l = 0. |
| 1377 |
guez |
14 |
|
| 1378 |
guez |
3 |
! zx_qs = qsat en kg/kg |
| 1379 |
guez |
14 |
|
| 1380 |
guez |
3 |
DO i = 1, knon |
| 1381 |
|
|
zx_pkh(i) = (ps(i)/ps(i))**RKAPPA |
| 1382 |
|
|
IF (thermcep) THEN |
| 1383 |
guez |
14 |
zdelta=MAX(0., SIGN(1., rtt-tsurf(i))) |
| 1384 |
guez |
3 |
zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
| 1385 |
|
|
zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i)) |
| 1386 |
guez |
14 |
zx_qs= r2es * FOEEW(tsurf(i), zdelta)/ps(i) |
| 1387 |
|
|
zx_qs=MIN(0.5, zx_qs) |
| 1388 |
guez |
3 |
zcor=1./(1.-retv*zx_qs) |
| 1389 |
|
|
zx_qs=zx_qs*zcor |
| 1390 |
guez |
14 |
zx_dq_s_dh = FOEDE(tsurf(i), zdelta, zcvm5, zx_qs, zcor) & |
| 1391 |
guez |
3 |
& /RLVTT / zx_pkh(i) |
| 1392 |
|
|
ELSE |
| 1393 |
|
|
IF (tsurf(i).LT.t_coup) THEN |
| 1394 |
|
|
zx_qs = qsats(tsurf(i)) / ps(i) |
| 1395 |
guez |
14 |
zx_dq_s_dh = dqsats(tsurf(i), zx_qs)/RLVTT & |
| 1396 |
guez |
3 |
& / zx_pkh(i) |
| 1397 |
|
|
ELSE |
| 1398 |
|
|
zx_qs = qsatl(tsurf(i)) / ps(i) |
| 1399 |
guez |
14 |
zx_dq_s_dh = dqsatl(tsurf(i), zx_qs)/RLVTT & |
| 1400 |
guez |
3 |
& / zx_pkh(i) |
| 1401 |
|
|
ENDIF |
| 1402 |
|
|
ENDIF |
| 1403 |
|
|
zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh |
| 1404 |
|
|
zx_qsat(i) = zx_qs |
| 1405 |
|
|
zx_coef(i) = coef1lay(i) & |
| 1406 |
|
|
& * (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) & |
| 1407 |
|
|
& * p1lay(i)/(RD*t1lay(i)) |
| 1408 |
|
|
|
| 1409 |
|
|
ENDDO |
| 1410 |
|
|
|
| 1411 |
|
|
! === Calcul de la temperature de surface === |
| 1412 |
guez |
14 |
|
| 1413 |
guez |
3 |
! zx_sl = chaleur latente d'evaporation ou de sublimation |
| 1414 |
guez |
14 |
|
| 1415 |
guez |
3 |
do i = 1, knon |
| 1416 |
|
|
zx_sl(i) = RLVTT |
| 1417 |
|
|
if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT |
| 1418 |
|
|
zx_k1(i) = zx_coef(i) |
| 1419 |
|
|
enddo |
| 1420 |
|
|
|
| 1421 |
|
|
do i = 1, knon |
| 1422 |
|
|
! Q |
| 1423 |
|
|
zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime) |
| 1424 |
|
|
zx_mq(i) = beta(i) * zx_k1(i) * & |
| 1425 |
|
|
& (peqAcoef(i) - zx_qsat(i) & |
| 1426 |
|
|
& + zx_dq_s_dt(i) * tsurf(i)) & |
| 1427 |
|
|
& / zx_oq(i) |
| 1428 |
|
|
zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) & |
| 1429 |
|
|
& / zx_oq(i) |
| 1430 |
|
|
|
| 1431 |
|
|
! H |
| 1432 |
|
|
zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime) |
| 1433 |
|
|
zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i) |
| 1434 |
|
|
zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i) |
| 1435 |
|
|
|
| 1436 |
|
|
! Tsurface |
| 1437 |
|
|
tsurf_new(i) = (tsurf(i) + cal(i)/(RCPD * zx_pkh(i)) * dtime * & |
| 1438 |
|
|
& (radsol(i) + zx_mh(i) + zx_sl(i) * zx_mq(i)) & |
| 1439 |
|
|
& + dif_grnd(i) * t_grnd * dtime)/ & |
| 1440 |
|
|
& ( 1. - dtime * cal(i)/(RCPD * zx_pkh(i)) * ( & |
| 1441 |
|
|
& zx_nh(i) + zx_sl(i) * zx_nq(i)) & |
| 1442 |
|
|
& + dtime * dif_grnd(i)) |
| 1443 |
|
|
|
| 1444 |
guez |
14 |
|
| 1445 |
guez |
3 |
! Y'a-t-il fonte de neige? |
| 1446 |
guez |
14 |
|
| 1447 |
guez |
3 |
! fonte_neige = (nisurf /= is_oce) .AND. & |
| 1448 |
|
|
! & (snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) & |
| 1449 |
|
|
! & .AND. (tsurf_new(i) >= RTT) |
| 1450 |
|
|
! if (fonte_neige) tsurf_new(i) = RTT |
| 1451 |
|
|
d_ts(i) = tsurf_new(i) - tsurf(i) |
| 1452 |
|
|
! zx_h_ts(i) = tsurf_new(i) * RCPD * zx_pkh(i) |
| 1453 |
|
|
! zx_q_0(i) = zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) |
| 1454 |
|
|
!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas |
| 1455 |
|
|
!== flux_t est le flux de cpt (energie sensible): j/(m**2 s) |
| 1456 |
|
|
evap(i) = - zx_mq(i) - zx_nq(i) * tsurf_new(i) |
| 1457 |
|
|
fluxlat(i) = - evap(i) * zx_sl(i) |
| 1458 |
|
|
fluxsens(i) = zx_mh(i) + zx_nh(i) * tsurf_new(i) |
| 1459 |
|
|
! Derives des flux dF/dTs (W m-2 K-1): |
| 1460 |
|
|
dflux_s(i) = zx_nh(i) |
| 1461 |
|
|
dflux_l(i) = (zx_sl(i) * zx_nq(i)) |
| 1462 |
|
|
! Nouvelle valeure de l'humidite au dessus du sol |
| 1463 |
|
|
qsat_new=zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) |
| 1464 |
|
|
q1_new = peqAcoef(i) - peqBcoef(i)*evap(i)*dtime |
| 1465 |
|
|
qsurf(i)=q1_new*(1.-beta(i)) + beta(i)*qsat_new |
| 1466 |
|
|
ENDDO |
| 1467 |
|
|
|
| 1468 |
|
|
END SUBROUTINE calcul_fluxs |
| 1469 |
|
|
|
| 1470 |
|
|
!************************ |
| 1471 |
|
|
|
| 1472 |
|
|
SUBROUTINE fonte_neige( klon, knon, nisurf, dtime, & |
| 1473 |
|
|
& tsurf, p1lay, cal, beta, coef1lay, ps, & |
| 1474 |
|
|
& precip_rain, precip_snow, snow, qsol, & |
| 1475 |
|
|
& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, & |
| 1476 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
| 1477 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
| 1478 |
guez |
14 |
& fqcalving, ffonte, run_off_lic_0) |
| 1479 |
guez |
3 |
|
| 1480 |
|
|
! Routine de traitement de la fonte de la neige dans le cas du traitement |
| 1481 |
|
|
! de sol simplifié |
| 1482 |
guez |
14 |
|
| 1483 |
guez |
3 |
! LF 03/2001 |
| 1484 |
|
|
! input: |
| 1485 |
|
|
! knon nombre de points a traiter |
| 1486 |
|
|
! nisurf surface a traiter |
| 1487 |
|
|
! tsurf temperature de surface |
| 1488 |
|
|
! p1lay pression 1er niveau (milieu de couche) |
| 1489 |
|
|
! cal capacite calorifique du sol |
| 1490 |
|
|
! beta evap reelle |
| 1491 |
|
|
! coef1lay coefficient d'echange |
| 1492 |
|
|
! ps pression au sol |
| 1493 |
|
|
! precip_rain precipitations liquides |
| 1494 |
|
|
! precip_snow precipitations solides |
| 1495 |
|
|
! snow champs hauteur de neige |
| 1496 |
|
|
! qsol hauteur d'eau contenu dans le sol |
| 1497 |
|
|
! runoff runoff en cas de trop plein |
| 1498 |
|
|
! petAcoef coeff. A de la resolution de la CL pour t |
| 1499 |
|
|
! peqAcoef coeff. A de la resolution de la CL pour q |
| 1500 |
|
|
! petBcoef coeff. B de la resolution de la CL pour t |
| 1501 |
|
|
! peqBcoef coeff. B de la resolution de la CL pour q |
| 1502 |
|
|
! radsol rayonnement net aus sol (LW + SW) |
| 1503 |
|
|
! dif_grnd coeff. diffusion vers le sol profond |
| 1504 |
guez |
14 |
|
| 1505 |
guez |
3 |
! output: |
| 1506 |
|
|
! tsurf_new temperature au sol |
| 1507 |
|
|
! fluxsens flux de chaleur sensible |
| 1508 |
|
|
! fluxlat flux de chaleur latente |
| 1509 |
|
|
! dflux_s derivee du flux de chaleur sensible / Ts |
| 1510 |
|
|
! dflux_l derivee du flux de chaleur latente / Ts |
| 1511 |
|
|
! in/out: |
| 1512 |
|
|
! run_off_lic_0 run off glacier du pas de temps précedent |
| 1513 |
|
|
|
| 1514 |
guez |
14 |
|
| 1515 |
guez |
3 |
use indicesol |
| 1516 |
|
|
use YOMCST |
| 1517 |
|
|
use yoethf |
| 1518 |
|
|
use fcttre |
| 1519 |
|
|
!IM cf JLD |
| 1520 |
|
|
|
| 1521 |
|
|
! Parametres d'entree |
| 1522 |
|
|
integer, intent(IN) :: knon, nisurf, klon |
| 1523 |
|
|
real , intent(IN) :: dtime |
| 1524 |
|
|
real, dimension(klon), intent(IN) :: petAcoef, peqAcoef |
| 1525 |
|
|
real, dimension(klon), intent(IN) :: petBcoef, peqBcoef |
| 1526 |
|
|
real, dimension(klon), intent(IN) :: ps, q1lay |
| 1527 |
|
|
real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay |
| 1528 |
|
|
real, dimension(klon), intent(IN) :: precip_rain, precip_snow |
| 1529 |
|
|
real, dimension(klon), intent(IN) :: radsol, dif_grnd |
| 1530 |
|
|
real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay |
| 1531 |
|
|
real, dimension(klon), intent(INOUT) :: snow, qsol |
| 1532 |
|
|
|
| 1533 |
|
|
! Parametres sorties |
| 1534 |
|
|
real, dimension(klon), intent(INOUT):: tsurf_new, evap, fluxsens, fluxlat |
| 1535 |
|
|
real, dimension(klon), intent(INOUT):: dflux_s, dflux_l |
| 1536 |
|
|
! Flux thermique utiliser pour fondre la neige |
| 1537 |
|
|
real, dimension(klon), intent(INOUT):: ffonte |
| 1538 |
|
|
! Flux d'eau "perdue" par la surface et necessaire pour que limiter la |
| 1539 |
|
|
! hauteur de neige, en kg/m2/s |
| 1540 |
|
|
real, dimension(klon), intent(INOUT):: fqcalving |
| 1541 |
|
|
real, dimension(klon), intent(INOUT):: run_off_lic_0 |
| 1542 |
|
|
! Variables locales |
| 1543 |
|
|
! Masse maximum de neige (kg/m2). Au dessus de ce seuil, la neige |
| 1544 |
|
|
! en exces "s'ecoule" (calving) |
| 1545 |
|
|
! real, parameter :: snow_max=1. |
| 1546 |
|
|
!IM cf JLD/GK |
| 1547 |
|
|
real, parameter :: snow_max=3000. |
| 1548 |
|
|
integer :: i |
| 1549 |
|
|
real, dimension(klon) :: zx_mh, zx_nh, zx_oh |
| 1550 |
|
|
real, dimension(klon) :: zx_mq, zx_nq, zx_oq |
| 1551 |
|
|
real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef |
| 1552 |
|
|
real, dimension(klon) :: zx_sl, zx_k1 |
| 1553 |
|
|
real, dimension(klon) :: zx_q_0 , d_ts |
| 1554 |
|
|
real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh |
| 1555 |
|
|
real :: bilan_f, fq_fonte |
| 1556 |
|
|
REAL :: subli, fsno |
| 1557 |
|
|
REAL, DIMENSION(klon) :: bil_eau_s, snow_evap |
| 1558 |
|
|
real, parameter :: t_grnd = 271.35, t_coup = 273.15 |
| 1559 |
|
|
!! PB temporaire en attendant mieux pour le modele de neige |
| 1560 |
|
|
! REAL, parameter :: chasno = RLMLT/(2.3867E+06*0.15) |
| 1561 |
|
|
REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15) |
| 1562 |
|
|
!IM cf JLD/ GKtest |
| 1563 |
|
|
REAL, parameter :: chaice = 3.334E+05/(2.3867E+06*0.15) |
| 1564 |
|
|
! fin GKtest |
| 1565 |
guez |
14 |
|
| 1566 |
guez |
3 |
logical, save :: check = .FALSE. |
| 1567 |
|
|
character (len = 20) :: modname = 'fonte_neige' |
| 1568 |
|
|
logical, save :: neige_fond = .false. |
| 1569 |
|
|
real, save :: max_eau_sol = 150.0 |
| 1570 |
|
|
character (len = 80) :: abort_message |
| 1571 |
guez |
14 |
logical, save :: first = .true., second=.false. |
| 1572 |
guez |
3 |
real :: coeff_rel |
| 1573 |
|
|
|
| 1574 |
guez |
14 |
if (check) write(*, *)'Entree ', modname, ' surface = ', nisurf |
| 1575 |
guez |
3 |
|
| 1576 |
|
|
! Initialisations |
| 1577 |
|
|
coeff_rel = dtime/(tau_calv * rday) |
| 1578 |
guez |
14 |
bil_eau_s = 0. |
| 1579 |
guez |
3 |
DO i = 1, knon |
| 1580 |
|
|
zx_pkh(i) = (ps(i)/ps(i))**RKAPPA |
| 1581 |
|
|
IF (thermcep) THEN |
| 1582 |
guez |
14 |
zdelta=MAX(0., SIGN(1., rtt-tsurf(i))) |
| 1583 |
guez |
3 |
zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
| 1584 |
|
|
zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i)) |
| 1585 |
guez |
14 |
zx_qs= r2es * FOEEW(tsurf(i), zdelta)/ps(i) |
| 1586 |
|
|
zx_qs=MIN(0.5, zx_qs) |
| 1587 |
guez |
3 |
zcor=1./(1.-retv*zx_qs) |
| 1588 |
|
|
zx_qs=zx_qs*zcor |
| 1589 |
guez |
14 |
zx_dq_s_dh = FOEDE(tsurf(i), zdelta, zcvm5, zx_qs, zcor) & |
| 1590 |
guez |
3 |
& /RLVTT / zx_pkh(i) |
| 1591 |
|
|
ELSE |
| 1592 |
|
|
IF (tsurf(i).LT.t_coup) THEN |
| 1593 |
|
|
zx_qs = qsats(tsurf(i)) / ps(i) |
| 1594 |
guez |
14 |
zx_dq_s_dh = dqsats(tsurf(i), zx_qs)/RLVTT & |
| 1595 |
guez |
3 |
& / zx_pkh(i) |
| 1596 |
|
|
ELSE |
| 1597 |
|
|
zx_qs = qsatl(tsurf(i)) / ps(i) |
| 1598 |
guez |
14 |
zx_dq_s_dh = dqsatl(tsurf(i), zx_qs)/RLVTT & |
| 1599 |
guez |
3 |
& / zx_pkh(i) |
| 1600 |
|
|
ENDIF |
| 1601 |
|
|
ENDIF |
| 1602 |
|
|
zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh |
| 1603 |
|
|
zx_qsat(i) = zx_qs |
| 1604 |
|
|
zx_coef(i) = coef1lay(i) & |
| 1605 |
|
|
& * (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) & |
| 1606 |
|
|
& * p1lay(i)/(RD*t1lay(i)) |
| 1607 |
|
|
ENDDO |
| 1608 |
|
|
|
| 1609 |
|
|
! === Calcul de la temperature de surface === |
| 1610 |
guez |
14 |
|
| 1611 |
guez |
3 |
! zx_sl = chaleur latente d'evaporation ou de sublimation |
| 1612 |
guez |
14 |
|
| 1613 |
guez |
3 |
do i = 1, knon |
| 1614 |
|
|
zx_sl(i) = RLVTT |
| 1615 |
|
|
if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT |
| 1616 |
|
|
zx_k1(i) = zx_coef(i) |
| 1617 |
|
|
enddo |
| 1618 |
|
|
|
| 1619 |
|
|
do i = 1, knon |
| 1620 |
|
|
! Q |
| 1621 |
|
|
zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime) |
| 1622 |
|
|
zx_mq(i) = beta(i) * zx_k1(i) * & |
| 1623 |
|
|
& (peqAcoef(i) - zx_qsat(i) & |
| 1624 |
|
|
& + zx_dq_s_dt(i) * tsurf(i)) & |
| 1625 |
|
|
& / zx_oq(i) |
| 1626 |
|
|
zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) & |
| 1627 |
|
|
& / zx_oq(i) |
| 1628 |
|
|
|
| 1629 |
|
|
! H |
| 1630 |
|
|
zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime) |
| 1631 |
|
|
zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i) |
| 1632 |
|
|
zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i) |
| 1633 |
|
|
enddo |
| 1634 |
|
|
|
| 1635 |
|
|
WHERE (precip_snow > 0.) snow = snow + (precip_snow * dtime) |
| 1636 |
|
|
snow_evap = 0. |
| 1637 |
|
|
WHERE (evap > 0. ) |
| 1638 |
|
|
snow_evap = MIN (snow / dtime, evap) |
| 1639 |
|
|
snow = snow - snow_evap * dtime |
| 1640 |
|
|
snow = MAX(0.0, snow) |
| 1641 |
|
|
end where |
| 1642 |
|
|
|
| 1643 |
|
|
! bil_eau_s = bil_eau_s + (precip_rain * dtime) - (evap - snow_evap) * dtime |
| 1644 |
|
|
bil_eau_s = (precip_rain * dtime) - (evap - snow_evap) * dtime |
| 1645 |
|
|
|
| 1646 |
guez |
14 |
|
| 1647 |
guez |
3 |
! Y'a-t-il fonte de neige? |
| 1648 |
guez |
14 |
|
| 1649 |
guez |
3 |
ffonte=0. |
| 1650 |
|
|
do i = 1, knon |
| 1651 |
|
|
neige_fond = ((snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) & |
| 1652 |
|
|
& .AND. tsurf_new(i) >= RTT) |
| 1653 |
|
|
if (neige_fond) then |
| 1654 |
guez |
14 |
fq_fonte = MIN( MAX((tsurf_new(i)-RTT )/chasno, 0.0), snow(i)) |
| 1655 |
guez |
3 |
ffonte(i) = fq_fonte * RLMLT/dtime |
| 1656 |
|
|
snow(i) = max(0., snow(i) - fq_fonte) |
| 1657 |
|
|
bil_eau_s(i) = bil_eau_s(i) + fq_fonte |
| 1658 |
|
|
tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno |
| 1659 |
|
|
!IM cf JLD OK |
| 1660 |
|
|
!IM cf JLD/ GKtest fonte aussi pour la glace |
| 1661 |
|
|
IF (nisurf == is_sic .OR. nisurf == is_lic ) THEN |
| 1662 |
guez |
14 |
fq_fonte = MAX((tsurf_new(i)-RTT )/chaice, 0.0) |
| 1663 |
guez |
3 |
ffonte(i) = ffonte(i) + fq_fonte * RLMLT/dtime |
| 1664 |
|
|
bil_eau_s(i) = bil_eau_s(i) + fq_fonte |
| 1665 |
|
|
tsurf_new(i) = RTT |
| 1666 |
|
|
ENDIF |
| 1667 |
|
|
d_ts(i) = tsurf_new(i) - tsurf(i) |
| 1668 |
|
|
endif |
| 1669 |
guez |
14 |
|
| 1670 |
guez |
3 |
! s'il y a une hauteur trop importante de neige, elle s'coule |
| 1671 |
|
|
fqcalving(i) = max(0., snow(i) - snow_max)/dtime |
| 1672 |
guez |
14 |
snow(i)=min(snow(i), snow_max) |
| 1673 |
|
|
|
| 1674 |
guez |
3 |
IF (nisurf == is_ter) then |
| 1675 |
|
|
qsol(i) = qsol(i) + bil_eau_s(i) |
| 1676 |
|
|
run_off(i) = run_off(i) + MAX(qsol(i) - max_eau_sol, 0.0) |
| 1677 |
|
|
qsol(i) = MIN(qsol(i), max_eau_sol) |
| 1678 |
|
|
else if (nisurf == is_lic) then |
| 1679 |
|
|
run_off_lic(i) = (coeff_rel * fqcalving(i)) + & |
| 1680 |
|
|
& (1. - coeff_rel) * run_off_lic_0(i) |
| 1681 |
|
|
run_off_lic_0(i) = run_off_lic(i) |
| 1682 |
|
|
run_off_lic(i) = run_off_lic(i) + bil_eau_s(i)/dtime |
| 1683 |
|
|
endif |
| 1684 |
|
|
enddo |
| 1685 |
|
|
|
| 1686 |
|
|
END SUBROUTINE fonte_neige |
| 1687 |
|
|
|
| 1688 |
|
|
END MODULE interface_surf |
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