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guez |
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MODULE interface_surf |
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! From phylmd/interface_surf.F90,v 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 fluxs 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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! 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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guez |
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! ocean type d'ocean utilise ("force" ou "slab" mais pas "couple") |
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guez |
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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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! 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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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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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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guez |
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character(len=*), intent(IN):: ocean |
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guez |
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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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guez |
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logical, intent(in):: soil_model |
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guez |
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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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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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!!$PB real, parameter :: calice=1.0/(5.1444e+06*0.15), tau_gl=86400.*5. |
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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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guez |
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if (ocean /= 'slab' .and. ocean /= 'force') then |
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guez |
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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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! |
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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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! |
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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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! |
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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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! |
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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' |
326 |
|
|
call abort_gcm(modname,abort_message,1) |
327 |
|
|
endif |
328 |
|
|
endif |
329 |
|
|
DO i=1, klon |
330 |
|
|
tmp_tslab(i)=tslab(i) |
331 |
|
|
ENDDO |
332 |
|
|
! |
333 |
|
|
! Aiguillage vers les differents schemas de surface |
334 |
|
|
|
335 |
|
|
if (nisurf == is_ter) then |
336 |
|
|
! |
337 |
|
|
! Surface "terre" appel a l'interface avec les sols continentaux |
338 |
|
|
! |
339 |
|
|
! allocation du run-off |
340 |
|
|
if (.not. allocated(coastalflow)) then |
341 |
|
|
allocate(coastalflow(knon), stat = error) |
342 |
|
|
if (error /= 0) then |
343 |
|
|
abort_message='Pb allocation coastalflow' |
344 |
|
|
call abort_gcm(modname,abort_message,1) |
345 |
|
|
endif |
346 |
|
|
allocate(riverflow(knon), stat = error) |
347 |
|
|
if (error /= 0) then |
348 |
|
|
abort_message='Pb allocation riverflow' |
349 |
|
|
call abort_gcm(modname,abort_message,1) |
350 |
|
|
endif |
351 |
|
|
allocate(run_off(knon), stat = error) |
352 |
|
|
if (error /= 0) then |
353 |
|
|
abort_message='Pb allocation run_off' |
354 |
|
|
call abort_gcm(modname,abort_message,1) |
355 |
|
|
endif |
356 |
|
|
!cym |
357 |
|
|
run_off=0.0 |
358 |
|
|
!cym |
359 |
|
|
|
360 |
|
|
!!$PB |
361 |
|
|
ALLOCATE (tmp_rriv(iim,jjm+1), stat=error) |
362 |
|
|
if (error /= 0) then |
363 |
|
|
abort_message='Pb allocation tmp_rriv' |
364 |
|
|
call abort_gcm(modname,abort_message,1) |
365 |
|
|
endif |
366 |
|
|
ALLOCATE (tmp_rcoa(iim,jjm+1), stat=error) |
367 |
|
|
if (error /= 0) then |
368 |
|
|
abort_message='Pb allocation tmp_rcoa' |
369 |
|
|
call abort_gcm(modname,abort_message,1) |
370 |
|
|
endif |
371 |
|
|
ALLOCATE (tmp_rlic(iim,jjm+1), stat=error) |
372 |
|
|
if (error /= 0) then |
373 |
|
|
abort_message='Pb allocation tmp_rlic' |
374 |
|
|
call abort_gcm(modname,abort_message,1) |
375 |
|
|
endif |
376 |
|
|
tmp_rriv = 0.0 |
377 |
|
|
tmp_rcoa = 0.0 |
378 |
|
|
tmp_rlic = 0.0 |
379 |
|
|
|
380 |
|
|
!!$ |
381 |
|
|
else if (size(coastalflow) /= knon) then |
382 |
|
|
write(*,*)'Bizarre, le nombre de points continentaux' |
383 |
|
|
write(*,*)'a change entre deux appels. J''arrete ...' |
384 |
|
|
abort_message='voir ci-dessus' |
385 |
|
|
call abort_gcm(modname,abort_message,1) |
386 |
|
|
endif |
387 |
|
|
coastalflow = 0. |
388 |
|
|
riverflow = 0. |
389 |
|
|
! |
390 |
|
|
! Calcul age de la neige |
391 |
|
|
|
392 |
|
|
if (.not. ok_veget) then |
393 |
|
|
! |
394 |
|
|
! calcul albedo: lecture albedo fichier CL puis ajout albedo neige |
395 |
|
|
! |
396 |
|
|
call interfsur_lim(itime, dtime, jour, & |
397 |
|
|
& klon, nisurf, knon, knindex, debut, & |
398 |
|
|
& alb_new, z0_new) |
399 |
|
|
! |
400 |
|
|
! calcul snow et qsurf, hydrol adapté |
401 |
|
|
! |
402 |
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
403 |
|
|
|
404 |
|
|
IF (soil_model) THEN |
405 |
|
|
CALL soil(dtime, nisurf, knon,snow, tsurf, tsoil,soilcap, soilflux) |
406 |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
407 |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
408 |
|
|
ELSE |
409 |
|
|
cal = RCPD * capsol |
410 |
|
|
!!$ cal = capsol |
411 |
|
|
ENDIF |
412 |
|
|
CALL calcul_fluxs( klon, knon, nisurf, dtime, & |
413 |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
414 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
415 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
416 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
417 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
418 |
|
|
|
419 |
|
|
CALL fonte_neige( klon, knon, nisurf, dtime, & |
420 |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
421 |
|
|
& precip_rain, precip_snow, snow, qsol, & |
422 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
423 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
424 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
425 |
|
|
& fqcalving,ffonte, run_off_lic_0) |
426 |
|
|
|
427 |
|
|
call albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:)) |
428 |
|
|
where (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
429 |
|
|
zfra(1:knon) = max(0.0,min(1.0,snow(1:knon)/(snow(1:knon)+10.0))) |
430 |
|
|
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
431 |
|
|
& alb_new(1 : knon)*(1.0-zfra(1:knon)) |
432 |
|
|
z0_new = sqrt(z0_new**2+rugoro**2) |
433 |
|
|
alblw(1 : knon) = alb_new(1 : knon) |
434 |
|
|
|
435 |
|
|
else |
436 |
|
|
endif |
437 |
|
|
! |
438 |
|
|
! Remplissage des pourcentages de surface |
439 |
|
|
! |
440 |
|
|
pctsrf_new(:,nisurf) = pctsrf(:,nisurf) |
441 |
|
|
|
442 |
|
|
else if (nisurf == is_oce) then |
443 |
|
|
! Surface "ocean" appel a l'interface avec l'ocean |
444 |
|
|
! |
445 |
guez |
12 |
if (ocean == 'slab ') then |
446 |
guez |
3 |
tsurf_new = tsurf |
447 |
|
|
pctsrf_new = tmp_pctsrf_slab |
448 |
|
|
! |
449 |
|
|
else ! lecture conditions limites |
450 |
|
|
call interfoce_lim(itime, dtime, jour, & |
451 |
|
|
& klon, nisurf, knon, knindex, & |
452 |
|
|
& debut, & |
453 |
|
|
& tsurf_new, pctsrf_new) |
454 |
|
|
|
455 |
|
|
endif |
456 |
|
|
|
457 |
|
|
tsurf_temp = tsurf_new |
458 |
|
|
cal = 0. |
459 |
|
|
beta = 1. |
460 |
|
|
dif_grnd = 0. |
461 |
|
|
alb_neig(:) = 0. |
462 |
|
|
agesno(:) = 0. |
463 |
|
|
|
464 |
|
|
call calcul_fluxs( klon, knon, nisurf, dtime, & |
465 |
|
|
& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
466 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
467 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
468 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
469 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
470 |
|
|
|
471 |
|
|
fder_prev = fder |
472 |
|
|
fder = fder_prev + dflux_s + dflux_l |
473 |
|
|
|
474 |
|
|
iloc = maxloc(fder(1:klon)) |
475 |
|
|
if (check.and.fder(iloc(1))> 0.) then |
476 |
|
|
WRITE(*,*)'**** Debug fder****' |
477 |
|
|
WRITE(*,*)'max fder(',iloc(1),') = ',fder(iloc(1)) |
478 |
|
|
WRITE(*,*)'fder_prev, dflux_s, dflux_l',fder_prev(iloc(1)), & |
479 |
|
|
& dflux_s(iloc(1)), dflux_l(iloc(1)) |
480 |
|
|
endif |
481 |
|
|
!!$ |
482 |
|
|
!!$ where(fder.gt.0.) |
483 |
|
|
!!$ fder = 0. |
484 |
|
|
!!$ endwhere |
485 |
|
|
|
486 |
|
|
!IM: flux ocean-atmosphere utile pour le "slab" ocean |
487 |
|
|
DO i=1, knon |
488 |
|
|
zx_sl(i) = RLVTT |
489 |
|
|
if (tsurf_new(i) .LT. RTT) zx_sl(i) = RLSTT |
490 |
|
|
flux_o(i) = fluxsens(i)-evap(i)*zx_sl(i) |
491 |
|
|
tmp_flux_o(knindex(i)) = flux_o(i) |
492 |
|
|
tmp_radsol(knindex(i))=radsol(i) |
493 |
|
|
ENDDO |
494 |
|
|
! |
495 |
|
|
! 2eme appel a interfoce pour le cumul des champs (en particulier |
496 |
|
|
! fluxsens et fluxlat calcules dans calcul_fluxs) |
497 |
|
|
! |
498 |
guez |
12 |
if (ocean == 'slab ') then |
499 |
guez |
3 |
! |
500 |
|
|
seaice=tmp_seaice |
501 |
|
|
cumul = .true. |
502 |
|
|
call interfoce_slab(klon, debut, itime, dtime, jour, & |
503 |
|
|
& tmp_radsol, tmp_flux_o, tmp_flux_g, pctsrf, & |
504 |
|
|
& tslab, seaice, pctsrf_new) |
505 |
|
|
! |
506 |
|
|
tmp_pctsrf_slab=pctsrf_new |
507 |
|
|
DO i=1, knon |
508 |
|
|
tsurf_new(i)=tslab(knindex(i)) |
509 |
|
|
ENDDO !i |
510 |
|
|
! |
511 |
|
|
endif |
512 |
|
|
|
513 |
|
|
! |
514 |
|
|
! calcul albedo |
515 |
|
|
! |
516 |
|
|
|
517 |
|
|
if ( minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999 ) then |
518 |
|
|
CALL alboc(FLOAT(jour),rlat,alb_eau) |
519 |
|
|
else ! cycle diurne |
520 |
|
|
CALL alboc_cd(rmu0,alb_eau) |
521 |
|
|
endif |
522 |
|
|
DO ii =1, knon |
523 |
|
|
alb_new(ii) = alb_eau(knindex(ii)) |
524 |
|
|
enddo |
525 |
|
|
|
526 |
|
|
z0_new = sqrt(rugos**2 + rugoro**2) |
527 |
|
|
alblw(1:knon) = alb_new(1:knon) |
528 |
|
|
|
529 |
|
|
! |
530 |
|
|
else if (nisurf == is_sic) then |
531 |
|
|
|
532 |
|
|
if (check) write(*,*)'sea ice, nisurf = ',nisurf |
533 |
|
|
|
534 |
|
|
! |
535 |
|
|
! Surface "glace de mer" appel a l'interface avec l'ocean |
536 |
|
|
! |
537 |
|
|
! |
538 |
guez |
12 |
if (ocean == 'slab ') then |
539 |
guez |
3 |
pctsrf_new=tmp_pctsrf_slab |
540 |
|
|
! |
541 |
|
|
DO ii = 1, knon |
542 |
|
|
tsurf_new(ii) = tsurf(ii) |
543 |
|
|
IF (pctsrf_new(knindex(ii),nisurf) < EPSFRA) then |
544 |
|
|
snow(ii) = 0.0 |
545 |
|
|
tsurf_new(ii) = RTT - 1.8 |
546 |
|
|
IF (soil_model) tsoil(ii,:) = RTT -1.8 |
547 |
|
|
ENDIF |
548 |
|
|
ENDDO |
549 |
|
|
|
550 |
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
551 |
|
|
|
552 |
|
|
IF (soil_model) THEN |
553 |
|
|
CALL soil(dtime, nisurf, knon,snow, tsurf_new, tsoil,soilcap, soilflux) |
554 |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
555 |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
556 |
|
|
ELSE |
557 |
|
|
dif_grnd = 1.0 / tau_gl |
558 |
|
|
cal = RCPD * calice |
559 |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
560 |
|
|
ENDIF |
561 |
|
|
tsurf_temp = tsurf_new |
562 |
|
|
beta = 1.0 |
563 |
|
|
! |
564 |
|
|
ELSE |
565 |
|
|
! ! lecture conditions limites |
566 |
|
|
CALL interfoce_lim(itime, dtime, jour, & |
567 |
|
|
& klon, nisurf, knon, knindex, & |
568 |
|
|
& debut, & |
569 |
|
|
& tsurf_new, pctsrf_new) |
570 |
|
|
|
571 |
|
|
!IM cf LF |
572 |
|
|
DO ii = 1, knon |
573 |
|
|
tsurf_new(ii) = tsurf(ii) |
574 |
|
|
!IMbad IF (pctsrf_new(ii,nisurf) < EPSFRA) then |
575 |
|
|
IF (pctsrf_new(knindex(ii),nisurf) < EPSFRA) then |
576 |
|
|
snow(ii) = 0.0 |
577 |
|
|
!IM cf LF/JLD tsurf(ii) = RTT - 1.8 |
578 |
|
|
tsurf_new(ii) = RTT - 1.8 |
579 |
|
|
IF (soil_model) tsoil(ii,:) = RTT -1.8 |
580 |
|
|
endif |
581 |
|
|
enddo |
582 |
|
|
|
583 |
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
584 |
|
|
|
585 |
|
|
IF (soil_model) THEN |
586 |
|
|
!IM cf LF/JLD CALL soil(dtime, nisurf, knon,snow, tsurf, tsoil,soilcap, soilflux) |
587 |
|
|
CALL soil(dtime, nisurf, knon,snow, tsurf_new, tsoil,soilcap, soilflux) |
588 |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
589 |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
590 |
|
|
dif_grnd = 0. |
591 |
|
|
ELSE |
592 |
|
|
dif_grnd = 1.0 / tau_gl |
593 |
|
|
cal = RCPD * calice |
594 |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
595 |
|
|
ENDIF |
596 |
|
|
!IMbadtsurf_temp = tsurf |
597 |
|
|
tsurf_temp = tsurf_new |
598 |
|
|
beta = 1.0 |
599 |
|
|
ENDIF |
600 |
|
|
|
601 |
|
|
CALL calcul_fluxs( klon, knon, nisurf, dtime, & |
602 |
|
|
& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
603 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
604 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
605 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
606 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
607 |
|
|
! |
608 |
|
|
!IM: flux entre l'ocean et la glace de mer pour le "slab" ocean |
609 |
|
|
DO i = 1, knon |
610 |
|
|
flux_g(i) = 0.0 |
611 |
|
|
! |
612 |
|
|
!IM: faire dependre le coefficient de conduction de la glace de mer |
613 |
|
|
! de l'epaisseur de la glace de mer, dans l'hypothese ou le coeff. |
614 |
|
|
! actuel correspond a 3m de glace de mer, cf. L.Li |
615 |
|
|
! |
616 |
|
|
! IF(1.EQ.0) THEN |
617 |
|
|
! IF(siceh(i).GT.0.) THEN |
618 |
|
|
! new_dif_grnd(i) = dif_grnd(i)*3./siceh(i) |
619 |
|
|
! ELSE |
620 |
|
|
! new_dif_grnd(i) = 0. |
621 |
|
|
! ENDIF |
622 |
|
|
! ENDIF !(1.EQ.0) THEN |
623 |
|
|
! |
624 |
|
|
IF (cal(i).GT.1.0e-15) flux_g(i)=(tsurf_new(i)-t_grnd) & |
625 |
|
|
& * dif_grnd(i) *RCPD/cal(i) |
626 |
|
|
! & * new_dif_grnd(i) *RCPD/cal(i) |
627 |
|
|
tmp_flux_g(knindex(i))=flux_g(i) |
628 |
|
|
tmp_radsol(knindex(i))=radsol(i) |
629 |
|
|
ENDDO |
630 |
|
|
|
631 |
guez |
12 |
CALL fonte_neige( klon, knon, nisurf, dtime, & |
632 |
|
|
& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
633 |
|
|
& precip_rain, precip_snow, snow, qsol, & |
634 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
635 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
636 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
637 |
|
|
& fqcalving,ffonte, run_off_lic_0) |
638 |
guez |
3 |
|
639 |
guez |
12 |
! calcul albedo |
640 |
guez |
3 |
|
641 |
guez |
12 |
CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:)) |
642 |
|
|
WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
643 |
|
|
zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/(snow(1:knon)+10.0))) |
644 |
|
|
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
645 |
|
|
0.6 * (1.0-zfra(1:knon)) |
646 |
guez |
3 |
|
647 |
|
|
fder_prev = fder |
648 |
|
|
fder = fder_prev + dflux_s + dflux_l |
649 |
|
|
|
650 |
|
|
iloc = maxloc(fder(1:klon)) |
651 |
|
|
if (check.and.fder(iloc(1))> 0.) then |
652 |
|
|
WRITE(*,*)'**** Debug fder ****' |
653 |
|
|
WRITE(*,*)'max fder(',iloc(1),') = ',fder(iloc(1)) |
654 |
|
|
WRITE(*,*)'fder_prev, dflux_s, dflux_l',fder_prev(iloc(1)), & |
655 |
|
|
& dflux_s(iloc(1)), dflux_l(iloc(1)) |
656 |
|
|
endif |
657 |
|
|
|
658 |
|
|
! |
659 |
|
|
! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean |
660 |
|
|
! |
661 |
|
|
z0_new = 0.002 |
662 |
|
|
z0_new = SQRT(z0_new**2+rugoro**2) |
663 |
|
|
alblw(1:knon) = alb_new(1:knon) |
664 |
|
|
|
665 |
|
|
else if (nisurf == is_lic) then |
666 |
|
|
|
667 |
|
|
if (check) write(*,*)'glacier, nisurf = ',nisurf |
668 |
|
|
|
669 |
|
|
if (.not. allocated(run_off_lic)) then |
670 |
|
|
allocate(run_off_lic(knon), stat = error) |
671 |
|
|
if (error /= 0) then |
672 |
|
|
abort_message='Pb allocation run_off_lic' |
673 |
|
|
call abort_gcm(modname,abort_message,1) |
674 |
|
|
endif |
675 |
|
|
run_off_lic = 0. |
676 |
|
|
endif |
677 |
|
|
! |
678 |
|
|
! Surface "glacier continentaux" appel a l'interface avec le sol |
679 |
|
|
! |
680 |
|
|
IF (soil_model) THEN |
681 |
|
|
CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil,soilcap, soilflux) |
682 |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
683 |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
684 |
|
|
ELSE |
685 |
|
|
cal = RCPD * calice |
686 |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
687 |
|
|
ENDIF |
688 |
|
|
beta = 1.0 |
689 |
|
|
dif_grnd = 0.0 |
690 |
|
|
|
691 |
|
|
call calcul_fluxs( klon, knon, nisurf, dtime, & |
692 |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
693 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
694 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
695 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
696 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
697 |
|
|
|
698 |
|
|
call fonte_neige( klon, knon, nisurf, dtime, & |
699 |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
700 |
|
|
& precip_rain, precip_snow, snow, qsol, & |
701 |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
702 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
703 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
704 |
|
|
& fqcalving,ffonte, run_off_lic_0) |
705 |
|
|
|
706 |
|
|
! passage du run-off des glaciers calcule dans fonte_neige au coupleur |
707 |
|
|
bidule=0. |
708 |
|
|
bidule(1:knon)= run_off_lic(1:knon) |
709 |
|
|
call gath2cpl(bidule, tmp_rlic, klon, knon,iim,jjm,knindex) |
710 |
|
|
! |
711 |
|
|
! calcul albedo |
712 |
|
|
! |
713 |
|
|
CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:)) |
714 |
|
|
WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
715 |
|
|
zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/(snow(1:knon)+10.0))) |
716 |
|
|
alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + & |
717 |
|
|
& 0.6 * (1.0-zfra(1:knon)) |
718 |
|
|
! |
719 |
|
|
!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux" |
720 |
|
|
! alb_new(1 : knon) = 0.6 !IM cf FH/GK |
721 |
|
|
! alb_new(1 : knon) = 0.82 |
722 |
|
|
! alb_new(1 : knon) = 0.77 !211003 Ksta0.77 |
723 |
|
|
! alb_new(1 : knon) = 0.8 !KstaTER0.8 & LMD_ARMIP5 |
724 |
|
|
!IM: KstaTER0.77 & LMD_ARMIP6 |
725 |
|
|
alb_new(1 : knon) = 0.77 |
726 |
|
|
|
727 |
|
|
! |
728 |
|
|
! Rugosite |
729 |
|
|
! |
730 |
|
|
z0_new = rugoro |
731 |
|
|
! |
732 |
|
|
! Remplissage des pourcentages de surface |
733 |
|
|
! |
734 |
|
|
pctsrf_new(:,nisurf) = pctsrf(:,nisurf) |
735 |
|
|
|
736 |
|
|
alblw(1:knon) = alb_new(1:knon) |
737 |
|
|
else |
738 |
|
|
write(*,*)'Index surface = ',nisurf |
739 |
|
|
abort_message = 'Index surface non valable' |
740 |
|
|
call abort_gcm(modname,abort_message,1) |
741 |
|
|
endif |
742 |
|
|
|
743 |
|
|
END SUBROUTINE interfsurf_hq |
744 |
|
|
|
745 |
|
|
!************************ |
746 |
|
|
|
747 |
|
|
SUBROUTINE interfoce_slab(klon, debut, itap, dtime, ijour, & |
748 |
|
|
& radsol, fluxo, fluxg, pctsrf, & |
749 |
|
|
& tslab, seaice, pctsrf_slab) |
750 |
|
|
! |
751 |
|
|
! Cette routine calcule la temperature d'un slab ocean, la glace de mer |
752 |
|
|
! et les pourcentages de la maille couverte par l'ocean libre et/ou |
753 |
|
|
! la glace de mer pour un "slab" ocean de 50m |
754 |
|
|
! |
755 |
|
|
! I. Musat 04.02.2005 |
756 |
|
|
! |
757 |
|
|
! input: |
758 |
|
|
! klon nombre total de points de grille |
759 |
|
|
! debut logical: 1er appel a la physique |
760 |
|
|
! itap numero du pas de temps |
761 |
|
|
! dtime pas de temps de la physique (en s) |
762 |
|
|
! ijour jour dans l'annee en cours |
763 |
|
|
! radsol rayonnement net au sol (LW + SW) |
764 |
|
|
! fluxo flux turbulent (sensible + latent) sur les mailles oceaniques |
765 |
|
|
! fluxg flux de conduction entre la surface de la glace de mer et l'ocean |
766 |
|
|
! pctsrf tableau des pourcentages de surface de chaque maille |
767 |
|
|
! output: |
768 |
|
|
! tslab temperature de l'ocean libre |
769 |
|
|
! seaice glace de mer (kg/m2) |
770 |
|
|
! pctsrf_slab "pourcentages" (valeurs entre 0. et 1.) surfaces issus du slab |
771 |
|
|
! |
772 |
|
|
use indicesol |
773 |
|
|
use clesphys |
774 |
|
|
use abort_gcm_m, only: abort_gcm |
775 |
|
|
use YOMCST |
776 |
|
|
|
777 |
|
|
! Parametres d'entree |
778 |
|
|
integer, intent(IN) :: klon |
779 |
|
|
logical, intent(IN) :: debut |
780 |
|
|
INTEGER, intent(IN) :: itap |
781 |
|
|
REAL, intent(IN) :: dtime |
782 |
|
|
INTEGER, intent(IN) :: ijour |
783 |
|
|
REAL, dimension(klon), intent(IN) :: radsol |
784 |
|
|
REAL, dimension(klon), intent(IN) :: fluxo |
785 |
|
|
REAL, dimension(klon), intent(IN) :: fluxg |
786 |
|
|
real, dimension(klon, nbsrf), intent(IN) :: pctsrf |
787 |
|
|
! Parametres de sortie |
788 |
|
|
real, dimension(klon), intent(INOUT) :: tslab |
789 |
|
|
real, dimension(klon), intent(INOUT) :: seaice ! glace de mer (kg/m2) |
790 |
|
|
real, dimension(klon, nbsrf), intent(OUT) :: pctsrf_slab |
791 |
|
|
! |
792 |
|
|
! Variables locales : |
793 |
|
|
INTEGER, save :: lmt_pas, julien, idayvrai |
794 |
|
|
REAL, parameter :: unjour=86400. |
795 |
|
|
real, allocatable, dimension(:), save :: tmp_tslab, tmp_seaice |
796 |
|
|
REAL, allocatable, dimension(:), save :: slab_bils |
797 |
|
|
REAL, allocatable, dimension(:), save :: lmt_bils |
798 |
|
|
logical,save :: check = .false. |
799 |
|
|
! |
800 |
|
|
REAL, parameter :: cyang=50.0 * 4.228e+06 ! capacite calorifique volumetrique de l'eau J/(m2 K) |
801 |
|
|
REAL, parameter :: cbing=0.334e+05 ! J/kg |
802 |
|
|
real, dimension(klon) :: siceh !hauteur de la glace de mer (m) |
803 |
|
|
INTEGER :: i |
804 |
|
|
integer :: sum_error, error |
805 |
|
|
REAL :: zz, za, zb |
806 |
|
|
! |
807 |
|
|
character (len = 80) :: abort_message |
808 |
|
|
character (len = 20) :: modname = 'interfoce_slab' |
809 |
|
|
! |
810 |
|
|
julien = MOD(ijour,360) |
811 |
|
|
sum_error = 0 |
812 |
|
|
IF (debut) THEN |
813 |
|
|
allocate(slab_bils(klon), stat = error); sum_error = sum_error + error |
814 |
|
|
allocate(lmt_bils(klon), stat = error); sum_error = sum_error + error |
815 |
|
|
allocate(tmp_tslab(klon), stat = error); sum_error = sum_error + error |
816 |
|
|
allocate(tmp_seaice(klon), stat = error); sum_error = sum_error + error |
817 |
|
|
if (sum_error /= 0) then |
818 |
|
|
abort_message='Pb allocation var. slab_bils,lmt_bils,tmp_tslab,tmp_seaice' |
819 |
|
|
call abort_gcm(modname,abort_message,1) |
820 |
|
|
endif |
821 |
|
|
tmp_tslab=tslab |
822 |
|
|
tmp_seaice=seaice |
823 |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
824 |
|
|
! |
825 |
|
|
IF (check) THEN |
826 |
|
|
PRINT*,'interfoce_slab klon, debut, itap, dtime, ijour, & |
827 |
|
|
& lmt_pas ', klon, debut, itap, dtime, ijour, & |
828 |
|
|
& lmt_pas |
829 |
|
|
ENDIF !check |
830 |
|
|
! |
831 |
|
|
PRINT*, '************************' |
832 |
|
|
PRINT*, 'SLAB OCEAN est actif, prenez precautions !' |
833 |
|
|
PRINT*, '************************' |
834 |
|
|
! |
835 |
|
|
! a mettre un slab_bils aussi en force !!! |
836 |
|
|
! |
837 |
|
|
DO i = 1, klon |
838 |
|
|
slab_bils(i) = 0.0 |
839 |
|
|
ENDDO |
840 |
|
|
! |
841 |
|
|
ENDIF !debut |
842 |
|
|
pctsrf_slab(1:klon,1:nbsrf) = pctsrf(1:klon,1:nbsrf) |
843 |
|
|
! |
844 |
|
|
! lecture du bilan au sol lmt_bils issu d'une simulation forcee en debut de journee |
845 |
|
|
! |
846 |
|
|
IF (MOD(itap,lmt_pas) .EQ. 1) THEN !1er pas de temps de la journee |
847 |
|
|
idayvrai = ijour |
848 |
|
|
CALL condsurf(julien,idayvrai, lmt_bils) |
849 |
|
|
ENDIF !(MOD(itap-1,lmt_pas) .EQ. 0) THEN |
850 |
|
|
|
851 |
|
|
DO i = 1, klon |
852 |
|
|
IF((pctsrf_slab(i,is_oce).GT.epsfra).OR. & |
853 |
|
|
& (pctsrf_slab(i,is_sic).GT.epsfra)) THEN |
854 |
|
|
! |
855 |
|
|
! fabriquer de la glace si congelation atteinte: |
856 |
|
|
! |
857 |
|
|
IF (tmp_tslab(i).LT.(RTT-1.8)) THEN |
858 |
|
|
zz = (RTT-1.8)-tmp_tslab(i) |
859 |
|
|
tmp_seaice(i) = tmp_seaice(i) + cyang/cbing * zz |
860 |
|
|
seaice(i) = tmp_seaice(i) |
861 |
|
|
tmp_tslab(i) = RTT-1.8 |
862 |
|
|
ENDIF |
863 |
|
|
! |
864 |
|
|
! faire fondre de la glace si temperature est superieure a 0: |
865 |
|
|
! |
866 |
|
|
IF ((tmp_tslab(i).GT.RTT) .AND. (tmp_seaice(i).GT.0.0)) THEN |
867 |
|
|
zz = cyang/cbing * (tmp_tslab(i)-RTT) |
868 |
|
|
zz = MIN(zz,tmp_seaice(i)) |
869 |
|
|
tmp_seaice(i) = tmp_seaice(i) - zz |
870 |
|
|
seaice(i) = tmp_seaice(i) |
871 |
|
|
tmp_tslab(i) = tmp_tslab(i) - zz*cbing/cyang |
872 |
|
|
ENDIF |
873 |
|
|
! |
874 |
|
|
! limiter la glace de mer a 10 metres (10000 kg/m2) |
875 |
|
|
! |
876 |
|
|
IF(tmp_seaice(i).GT.45.) THEN |
877 |
|
|
tmp_seaice(i) = MIN(tmp_seaice(i),10000.0) |
878 |
|
|
ELSE |
879 |
|
|
tmp_seaice(i) = 0. |
880 |
|
|
ENDIF |
881 |
|
|
seaice(i) = tmp_seaice(i) |
882 |
|
|
siceh(i)=tmp_seaice(i)/1000. !en metres |
883 |
|
|
! |
884 |
|
|
! determiner la nature du sol (glace de mer ou ocean libre): |
885 |
|
|
! |
886 |
|
|
! on fait dependre la fraction de seaice "pctsrf(i,is_sic)" |
887 |
|
|
! de l'epaisseur de seaice : |
888 |
|
|
! pctsrf(i,is_sic)=1. si l'epaisseur de la glace de mer est >= a 20cm |
889 |
|
|
! et pctsrf(i,is_sic) croit lineairement avec seaice de 0. a 20cm d'epaisseur |
890 |
|
|
! |
891 |
|
|
pctsrf_slab(i,is_sic)=MIN(siceh(i)/0.20, & |
892 |
|
|
& 1.-(pctsrf_slab(i,is_ter)+pctsrf_slab(i,is_lic))) |
893 |
|
|
pctsrf_slab(i,is_oce)=1.0 - & |
894 |
|
|
& (pctsrf_slab(i,is_ter)+pctsrf_slab(i,is_lic)+pctsrf_slab(i,is_sic)) |
895 |
|
|
ENDIF !pctsrf |
896 |
|
|
ENDDO |
897 |
|
|
! |
898 |
|
|
! Calculer le bilan du flux de chaleur au sol : |
899 |
|
|
! |
900 |
|
|
DO i = 1, klon |
901 |
|
|
za = radsol(i) + fluxo(i) |
902 |
|
|
zb = fluxg(i) |
903 |
|
|
IF((pctsrf_slab(i,is_oce).GT.epsfra).OR. & |
904 |
|
|
& (pctsrf_slab(i,is_sic).GT.epsfra)) THEN |
905 |
|
|
slab_bils(i)=slab_bils(i)+(za*pctsrf_slab(i,is_oce) & |
906 |
|
|
& +zb*pctsrf_slab(i,is_sic))/ FLOAT(lmt_pas) |
907 |
|
|
ENDIF |
908 |
|
|
ENDDO !klon |
909 |
|
|
! |
910 |
|
|
! calcul tslab |
911 |
|
|
! |
912 |
|
|
IF (MOD(itap,lmt_pas).EQ.0) THEN !fin de journee |
913 |
|
|
DO i = 1, klon |
914 |
|
|
IF ((pctsrf_slab(i,is_oce).GT.epsfra).OR. & |
915 |
|
|
& (pctsrf_slab(i,is_sic).GT.epsfra)) THEN |
916 |
|
|
tmp_tslab(i) = tmp_tslab(i) + & |
917 |
|
|
& (slab_bils(i)-lmt_bils(i)) & |
918 |
|
|
& /cyang*unjour |
919 |
|
|
! on remet l'accumulation a 0 |
920 |
|
|
slab_bils(i) = 0. |
921 |
|
|
ENDIF !pctsrf |
922 |
|
|
ENDDO !klon |
923 |
|
|
ENDIF !(MOD(itap,lmt_pas).EQ.0) THEN |
924 |
|
|
! |
925 |
|
|
tslab = tmp_tslab |
926 |
|
|
seaice = tmp_seaice |
927 |
|
|
END SUBROUTINE interfoce_slab |
928 |
|
|
|
929 |
|
|
!************************ |
930 |
|
|
|
931 |
|
|
SUBROUTINE interfoce_lim(itime, dtime, jour, & |
932 |
|
|
& klon, nisurf, knon, knindex, & |
933 |
|
|
& debut, & |
934 |
|
|
& lmt_sst, pctsrf_new) |
935 |
|
|
|
936 |
|
|
! Cette routine sert d'interface entre le modele atmospherique et un fichier |
937 |
|
|
! de conditions aux limites |
938 |
|
|
! |
939 |
|
|
! L. Fairhead 02/2000 |
940 |
|
|
! |
941 |
|
|
! input: |
942 |
|
|
! itime numero du pas de temps courant |
943 |
|
|
! dtime pas de temps de la physique (en s) |
944 |
|
|
! jour jour a lire dans l'annee |
945 |
|
|
! nisurf index de la surface a traiter (1 = sol continental) |
946 |
|
|
! knon nombre de points dans le domaine a traiter |
947 |
|
|
! knindex index des points de la surface a traiter |
948 |
|
|
! klon taille de la grille |
949 |
|
|
! debut logical: 1er appel a la physique (initialisation) |
950 |
|
|
! |
951 |
|
|
! output: |
952 |
|
|
! lmt_sst SST lues dans le fichier de CL |
953 |
|
|
! pctsrf_new sous-maille fractionnelle |
954 |
|
|
! |
955 |
|
|
|
956 |
|
|
use abort_gcm_m, only: abort_gcm |
957 |
|
|
use indicesol |
958 |
|
|
|
959 |
|
|
! Parametres d'entree |
960 |
|
|
integer, intent(IN) :: itime |
961 |
|
|
real , intent(IN) :: dtime |
962 |
|
|
integer, intent(IN) :: jour |
963 |
|
|
integer, intent(IN) :: nisurf |
964 |
|
|
integer, intent(IN) :: knon |
965 |
|
|
integer, intent(IN) :: klon |
966 |
|
|
integer, dimension(klon), intent(in) :: knindex |
967 |
|
|
logical, intent(IN) :: debut |
968 |
|
|
|
969 |
|
|
! Parametres de sortie |
970 |
|
|
real, intent(out), dimension(klon) :: lmt_sst |
971 |
|
|
real, intent(out), dimension(klon,nbsrf) :: pctsrf_new |
972 |
|
|
|
973 |
|
|
! Variables locales |
974 |
|
|
integer :: ii |
975 |
|
|
INTEGER,save :: lmt_pas ! frequence de lecture des conditions limites |
976 |
|
|
! (en pas de physique) |
977 |
|
|
logical,save :: deja_lu ! pour indiquer que le jour a lire a deja |
978 |
|
|
! lu pour une surface precedente |
979 |
|
|
integer,save :: jour_lu |
980 |
|
|
integer :: ierr |
981 |
|
|
character (len = 20) :: modname = 'interfoce_lim' |
982 |
|
|
character (len = 80) :: abort_message |
983 |
|
|
logical, save :: newlmt = .TRUE. |
984 |
|
|
logical, save :: check = .FALSE. |
985 |
|
|
! Champs lus dans le fichier de CL |
986 |
|
|
real, allocatable , save, dimension(:) :: sst_lu, rug_lu, nat_lu |
987 |
|
|
real, allocatable , save, dimension(:,:) :: pct_tmp |
988 |
|
|
! |
989 |
|
|
! quelques variables pour netcdf |
990 |
|
|
! |
991 |
|
|
include "netcdf.inc" |
992 |
|
|
integer :: nid, nvarid |
993 |
|
|
integer, dimension(2) :: start, epais |
994 |
|
|
! |
995 |
|
|
! Fin déclaration |
996 |
|
|
! |
997 |
|
|
|
998 |
|
|
if (debut .and. .not. allocated(sst_lu)) then |
999 |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
1000 |
|
|
jour_lu = jour - 1 |
1001 |
|
|
allocate(sst_lu(klon)) |
1002 |
|
|
allocate(nat_lu(klon)) |
1003 |
|
|
allocate(pct_tmp(klon,nbsrf)) |
1004 |
|
|
endif |
1005 |
|
|
|
1006 |
|
|
if ((jour - jour_lu) /= 0) deja_lu = .false. |
1007 |
|
|
|
1008 |
|
|
if (check) write(*,*)modname,' :: jour, jour_lu, deja_lu', jour, jour_lu, & |
1009 |
|
|
deja_lu |
1010 |
|
|
if (check) write(*,*)modname,' :: itime, lmt_pas ', itime, lmt_pas,dtime |
1011 |
|
|
|
1012 |
|
|
! Tester d'abord si c'est le moment de lire le fichier |
1013 |
|
|
if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu) then |
1014 |
|
|
! |
1015 |
|
|
! Ouverture du fichier |
1016 |
|
|
! |
1017 |
|
|
ierr = NF_OPEN ('limit.nc', NF_NOWRITE,nid) |
1018 |
|
|
if (ierr.NE.NF_NOERR) then |
1019 |
|
|
abort_message & |
1020 |
|
|
= 'Pb d''ouverture du fichier de conditions aux limites' |
1021 |
|
|
call abort_gcm(modname,abort_message,1) |
1022 |
|
|
endif |
1023 |
|
|
! |
1024 |
|
|
! La tranche de donnees a lire: |
1025 |
|
|
! |
1026 |
|
|
start(1) = 1 |
1027 |
|
|
start(2) = jour |
1028 |
|
|
epais(1) = klon |
1029 |
|
|
epais(2) = 1 |
1030 |
|
|
! |
1031 |
|
|
if (newlmt) then |
1032 |
|
|
! |
1033 |
|
|
! Fraction "ocean" |
1034 |
|
|
! |
1035 |
|
|
ierr = NF_INQ_VARID(nid, 'FOCE', nvarid) |
1036 |
|
|
if (ierr /= NF_NOERR) then |
1037 |
|
|
abort_message = 'Le champ <FOCE> est absent' |
1038 |
|
|
call abort_gcm(modname,abort_message,1) |
1039 |
|
|
endif |
1040 |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_oce)) |
1041 |
|
|
if (ierr /= NF_NOERR) then |
1042 |
|
|
abort_message = 'Lecture echouee pour <FOCE>' |
1043 |
|
|
call abort_gcm(modname,abort_message,1) |
1044 |
|
|
endif |
1045 |
|
|
! |
1046 |
|
|
! Fraction "glace de mer" |
1047 |
|
|
! |
1048 |
|
|
ierr = NF_INQ_VARID(nid, 'FSIC', nvarid) |
1049 |
|
|
if (ierr /= NF_NOERR) then |
1050 |
|
|
abort_message = 'Le champ <FSIC> est absent' |
1051 |
|
|
call abort_gcm(modname,abort_message,1) |
1052 |
|
|
endif |
1053 |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_sic)) |
1054 |
|
|
if (ierr /= NF_NOERR) then |
1055 |
|
|
abort_message = 'Lecture echouee pour <FSIC>' |
1056 |
|
|
call abort_gcm(modname,abort_message,1) |
1057 |
|
|
endif |
1058 |
|
|
! |
1059 |
|
|
! Fraction "terre" |
1060 |
|
|
! |
1061 |
|
|
ierr = NF_INQ_VARID(nid, 'FTER', nvarid) |
1062 |
|
|
if (ierr /= NF_NOERR) then |
1063 |
|
|
abort_message = 'Le champ <FTER> est absent' |
1064 |
|
|
call abort_gcm(modname,abort_message,1) |
1065 |
|
|
endif |
1066 |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_ter)) |
1067 |
|
|
if (ierr /= NF_NOERR) then |
1068 |
|
|
abort_message = 'Lecture echouee pour <FTER>' |
1069 |
|
|
call abort_gcm(modname,abort_message,1) |
1070 |
|
|
endif |
1071 |
|
|
! |
1072 |
|
|
! Fraction "glacier terre" |
1073 |
|
|
! |
1074 |
|
|
ierr = NF_INQ_VARID(nid, 'FLIC', nvarid) |
1075 |
|
|
if (ierr /= NF_NOERR) then |
1076 |
|
|
abort_message = 'Le champ <FLIC> est absent' |
1077 |
|
|
call abort_gcm(modname,abort_message,1) |
1078 |
|
|
endif |
1079 |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_lic)) |
1080 |
|
|
if (ierr /= NF_NOERR) then |
1081 |
|
|
abort_message = 'Lecture echouee pour <FLIC>' |
1082 |
|
|
call abort_gcm(modname,abort_message,1) |
1083 |
|
|
endif |
1084 |
|
|
! |
1085 |
|
|
else ! on en est toujours a rnatur |
1086 |
|
|
! |
1087 |
|
|
ierr = NF_INQ_VARID(nid, 'NAT', nvarid) |
1088 |
|
|
if (ierr /= NF_NOERR) then |
1089 |
|
|
abort_message = 'Le champ <NAT> est absent' |
1090 |
|
|
call abort_gcm(modname,abort_message,1) |
1091 |
|
|
endif |
1092 |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, nat_lu) |
1093 |
|
|
if (ierr /= NF_NOERR) then |
1094 |
|
|
abort_message = 'Lecture echouee pour <NAT>' |
1095 |
|
|
call abort_gcm(modname,abort_message,1) |
1096 |
|
|
endif |
1097 |
|
|
! |
1098 |
|
|
! Remplissage des fractions de surface |
1099 |
|
|
! nat = 0, 1, 2, 3 pour ocean, terre, glacier, seaice |
1100 |
|
|
! |
1101 |
|
|
pct_tmp = 0.0 |
1102 |
|
|
do ii = 1, klon |
1103 |
|
|
pct_tmp(ii,nint(nat_lu(ii)) + 1) = 1. |
1104 |
|
|
enddo |
1105 |
|
|
|
1106 |
|
|
! |
1107 |
|
|
! On se retrouve avec ocean en 1 et terre en 2 alors qu'on veut le contraire |
1108 |
|
|
! |
1109 |
|
|
pctsrf_new = pct_tmp |
1110 |
|
|
pctsrf_new (:,2)= pct_tmp (:,1) |
1111 |
|
|
pctsrf_new (:,1)= pct_tmp (:,2) |
1112 |
|
|
pct_tmp = pctsrf_new |
1113 |
|
|
endif ! fin test sur newlmt |
1114 |
|
|
! |
1115 |
|
|
! Lecture SST |
1116 |
|
|
! |
1117 |
|
|
ierr = NF_INQ_VARID(nid, 'SST', nvarid) |
1118 |
|
|
if (ierr /= NF_NOERR) then |
1119 |
|
|
abort_message = 'Le champ <SST> est absent' |
1120 |
|
|
call abort_gcm(modname,abort_message,1) |
1121 |
|
|
endif |
1122 |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, sst_lu) |
1123 |
|
|
if (ierr /= NF_NOERR) then |
1124 |
|
|
abort_message = 'Lecture echouee pour <SST>' |
1125 |
|
|
call abort_gcm(modname,abort_message,1) |
1126 |
|
|
endif |
1127 |
|
|
|
1128 |
|
|
! |
1129 |
|
|
! Fin de lecture |
1130 |
|
|
! |
1131 |
|
|
ierr = NF_CLOSE(nid) |
1132 |
|
|
deja_lu = .true. |
1133 |
|
|
jour_lu = jour |
1134 |
|
|
endif |
1135 |
|
|
! |
1136 |
|
|
! Recopie des variables dans les champs de sortie |
1137 |
|
|
! |
1138 |
|
|
lmt_sst = 999999999. |
1139 |
|
|
do ii = 1, knon |
1140 |
|
|
lmt_sst(ii) = sst_lu(knindex(ii)) |
1141 |
|
|
enddo |
1142 |
|
|
|
1143 |
|
|
pctsrf_new(:,is_oce) = pct_tmp(:,is_oce) |
1144 |
|
|
pctsrf_new(:,is_sic) = pct_tmp(:,is_sic) |
1145 |
|
|
|
1146 |
|
|
END SUBROUTINE interfoce_lim |
1147 |
|
|
|
1148 |
|
|
!************************ |
1149 |
|
|
|
1150 |
|
|
SUBROUTINE interfsur_lim(itime, dtime, jour, & |
1151 |
|
|
& klon, nisurf, knon, knindex, & |
1152 |
|
|
& debut, & |
1153 |
|
|
& lmt_alb, lmt_rug) |
1154 |
|
|
|
1155 |
|
|
! Cette routine sert d'interface entre le modèle atmosphérique et |
1156 |
|
|
! un fichier de conditions aux limites. |
1157 |
|
|
! |
1158 |
|
|
! L. Fairhead 02/2000 |
1159 |
|
|
! |
1160 |
|
|
! input: |
1161 |
|
|
! itime numero du pas de temps courant |
1162 |
|
|
! dtime pas de temps de la physique (en s) |
1163 |
|
|
! jour jour a lire dans l'annee |
1164 |
|
|
! nisurf index de la surface a traiter (1 = sol continental) |
1165 |
|
|
! knon nombre de points dans le domaine a traiter |
1166 |
|
|
! knindex index des points de la surface a traiter |
1167 |
|
|
! klon taille de la grille |
1168 |
|
|
! debut logical: 1er appel a la physique (initialisation) |
1169 |
|
|
! |
1170 |
|
|
! output: |
1171 |
|
|
! lmt_sst SST lues dans le fichier de CL |
1172 |
|
|
! lmt_alb Albedo lu |
1173 |
|
|
! lmt_rug longueur de rugosité lue |
1174 |
|
|
! pctsrf_new sous-maille fractionnelle |
1175 |
|
|
! |
1176 |
|
|
|
1177 |
|
|
use abort_gcm_m, only: abort_gcm |
1178 |
|
|
|
1179 |
|
|
! Parametres d'entree |
1180 |
|
|
integer, intent(IN) :: itime |
1181 |
|
|
real , intent(IN) :: dtime |
1182 |
|
|
integer, intent(IN) :: jour |
1183 |
|
|
integer, intent(IN) :: nisurf |
1184 |
|
|
integer, intent(IN) :: knon |
1185 |
|
|
integer, intent(IN) :: klon |
1186 |
|
|
integer, dimension(klon), intent(in) :: knindex |
1187 |
|
|
logical, intent(IN) :: debut |
1188 |
|
|
|
1189 |
|
|
! Parametres de sortie |
1190 |
|
|
real, intent(out), dimension(klon) :: lmt_alb |
1191 |
|
|
real, intent(out), dimension(klon) :: lmt_rug |
1192 |
|
|
|
1193 |
|
|
! Variables locales |
1194 |
|
|
integer :: ii |
1195 |
|
|
integer,save :: lmt_pas ! frequence de lecture des conditions limites |
1196 |
|
|
! (en pas de physique) |
1197 |
|
|
logical,save :: deja_lu_sur! pour indiquer que le jour a lire a deja |
1198 |
|
|
! lu pour une surface precedente |
1199 |
|
|
integer,save :: jour_lu_sur |
1200 |
|
|
integer :: ierr |
1201 |
|
|
character (len = 20) :: modname = 'interfsur_lim' |
1202 |
|
|
character (len = 80) :: abort_message |
1203 |
|
|
logical,save :: newlmt = .false. |
1204 |
|
|
logical,save :: check = .false. |
1205 |
|
|
! Champs lus dans le fichier de CL |
1206 |
|
|
real, allocatable , save, dimension(:) :: alb_lu, rug_lu |
1207 |
|
|
! |
1208 |
|
|
! quelques variables pour netcdf |
1209 |
|
|
! |
1210 |
|
|
include "netcdf.inc" |
1211 |
|
|
integer ,save :: nid, nvarid |
1212 |
|
|
integer, dimension(2),save :: start, epais |
1213 |
|
|
! |
1214 |
|
|
! Fin déclaration |
1215 |
|
|
! |
1216 |
|
|
|
1217 |
|
|
if (debut) then |
1218 |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
1219 |
|
|
jour_lu_sur = jour - 1 |
1220 |
|
|
allocate(alb_lu(klon)) |
1221 |
|
|
allocate(rug_lu(klon)) |
1222 |
|
|
endif |
1223 |
|
|
|
1224 |
|
|
if ((jour - jour_lu_sur) /= 0) deja_lu_sur = .false. |
1225 |
|
|
|
1226 |
|
|
if (check) write(*,*)modname,':: jour_lu_sur, deja_lu_sur', jour_lu_sur, & |
1227 |
|
|
deja_lu_sur |
1228 |
|
|
if (check) write(*,*)modname,':: itime, lmt_pas', itime, lmt_pas |
1229 |
|
|
|
1230 |
|
|
! Tester d'abord si c'est le moment de lire le fichier |
1231 |
|
|
if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu_sur) then |
1232 |
|
|
! |
1233 |
|
|
! Ouverture du fichier |
1234 |
|
|
! |
1235 |
|
|
ierr = NF_OPEN ('limit.nc', NF_NOWRITE,nid) |
1236 |
|
|
if (ierr.NE.NF_NOERR) then |
1237 |
|
|
abort_message & |
1238 |
|
|
= 'Pb d''ouverture du fichier de conditions aux limites' |
1239 |
|
|
call abort_gcm(modname,abort_message,1) |
1240 |
|
|
endif |
1241 |
|
|
! |
1242 |
|
|
! La tranche de donnees a lire: |
1243 |
|
|
|
1244 |
|
|
start(1) = 1 |
1245 |
|
|
start(2) = jour |
1246 |
|
|
epais(1) = klon |
1247 |
|
|
epais(2) = 1 |
1248 |
|
|
! |
1249 |
|
|
! Lecture Albedo |
1250 |
|
|
! |
1251 |
|
|
ierr = NF_INQ_VARID(nid, 'ALB', nvarid) |
1252 |
|
|
if (ierr /= NF_NOERR) then |
1253 |
|
|
abort_message = 'Le champ <ALB> est absent' |
1254 |
|
|
call abort_gcm(modname,abort_message,1) |
1255 |
|
|
endif |
1256 |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, alb_lu) |
1257 |
|
|
if (ierr /= NF_NOERR) then |
1258 |
|
|
abort_message = 'Lecture echouee pour <ALB>' |
1259 |
|
|
call abort_gcm(modname,abort_message,1) |
1260 |
|
|
endif |
1261 |
|
|
! |
1262 |
|
|
! Lecture rugosité |
1263 |
|
|
! |
1264 |
|
|
ierr = NF_INQ_VARID(nid, 'RUG', nvarid) |
1265 |
|
|
if (ierr /= NF_NOERR) then |
1266 |
|
|
abort_message = 'Le champ <RUG> est absent' |
1267 |
|
|
call abort_gcm(modname,abort_message,1) |
1268 |
|
|
endif |
1269 |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, rug_lu) |
1270 |
|
|
if (ierr /= NF_NOERR) then |
1271 |
|
|
abort_message = 'Lecture echouee pour <RUG>' |
1272 |
|
|
call abort_gcm(modname,abort_message,1) |
1273 |
|
|
endif |
1274 |
|
|
|
1275 |
|
|
! |
1276 |
|
|
! Fin de lecture |
1277 |
|
|
! |
1278 |
|
|
ierr = NF_CLOSE(nid) |
1279 |
|
|
deja_lu_sur = .true. |
1280 |
|
|
jour_lu_sur = jour |
1281 |
|
|
endif |
1282 |
|
|
! |
1283 |
|
|
! Recopie des variables dans les champs de sortie |
1284 |
|
|
! |
1285 |
|
|
!!$ lmt_alb(:) = 0.0 |
1286 |
|
|
!!$ lmt_rug(:) = 0.0 |
1287 |
|
|
lmt_alb(:) = 999999. |
1288 |
|
|
lmt_rug(:) = 999999. |
1289 |
|
|
DO ii = 1, knon |
1290 |
|
|
lmt_alb(ii) = alb_lu(knindex(ii)) |
1291 |
|
|
lmt_rug(ii) = rug_lu(knindex(ii)) |
1292 |
|
|
enddo |
1293 |
|
|
|
1294 |
|
|
END SUBROUTINE interfsur_lim |
1295 |
|
|
|
1296 |
|
|
!************************ |
1297 |
|
|
|
1298 |
|
|
SUBROUTINE calcul_fluxs( klon, knon, nisurf, dtime, & |
1299 |
|
|
& tsurf, p1lay, cal, beta, coef1lay, ps, & |
1300 |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
1301 |
|
|
& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, & |
1302 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
1303 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
1304 |
|
|
|
1305 |
|
|
! Cette routine calcule les fluxs en h et q a l'interface et eventuellement |
1306 |
|
|
! une temperature de surface (au cas ou ok_veget = false) |
1307 |
|
|
! |
1308 |
|
|
! L. Fairhead 4/2000 |
1309 |
|
|
! |
1310 |
|
|
! input: |
1311 |
|
|
! knon nombre de points a traiter |
1312 |
|
|
! nisurf surface a traiter |
1313 |
|
|
! tsurf temperature de surface |
1314 |
|
|
! p1lay pression 1er niveau (milieu de couche) |
1315 |
|
|
! cal capacite calorifique du sol |
1316 |
|
|
! beta evap reelle |
1317 |
|
|
! coef1lay coefficient d'echange |
1318 |
|
|
! ps pression au sol |
1319 |
|
|
! precip_rain precipitations liquides |
1320 |
|
|
! precip_snow precipitations solides |
1321 |
|
|
! snow champs hauteur de neige |
1322 |
|
|
! runoff runoff en cas de trop plein |
1323 |
|
|
! petAcoef coeff. A de la resolution de la CL pour t |
1324 |
|
|
! peqAcoef coeff. A de la resolution de la CL pour q |
1325 |
|
|
! petBcoef coeff. B de la resolution de la CL pour t |
1326 |
|
|
! peqBcoef coeff. B de la resolution de la CL pour q |
1327 |
|
|
! radsol rayonnement net aus sol (LW + SW) |
1328 |
|
|
! dif_grnd coeff. diffusion vers le sol profond |
1329 |
|
|
! |
1330 |
|
|
! output: |
1331 |
|
|
! tsurf_new temperature au sol |
1332 |
|
|
! qsurf humidite de l'air au dessus du sol |
1333 |
|
|
! fluxsens flux de chaleur sensible |
1334 |
|
|
! fluxlat flux de chaleur latente |
1335 |
|
|
! dflux_s derivee du flux de chaleur sensible / Ts |
1336 |
|
|
! dflux_l derivee du flux de chaleur latente / Ts |
1337 |
|
|
! |
1338 |
|
|
|
1339 |
|
|
use indicesol |
1340 |
|
|
use abort_gcm_m, only: abort_gcm |
1341 |
|
|
use yoethf |
1342 |
|
|
use fcttre, only: thermcep, foeew, qsats, qsatl, foede, dqsats, dqsatl |
1343 |
|
|
use YOMCST |
1344 |
|
|
|
1345 |
|
|
! Parametres d'entree |
1346 |
|
|
integer, intent(IN) :: knon, nisurf, klon |
1347 |
|
|
real , intent(IN) :: dtime |
1348 |
|
|
real, dimension(klon), intent(IN) :: petAcoef, peqAcoef |
1349 |
|
|
real, dimension(klon), intent(IN) :: petBcoef, peqBcoef |
1350 |
|
|
real, dimension(klon), intent(IN) :: ps, q1lay |
1351 |
|
|
real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay |
1352 |
|
|
real, dimension(klon), intent(IN) :: precip_rain, precip_snow |
1353 |
|
|
real, dimension(klon), intent(IN) :: radsol, dif_grnd |
1354 |
|
|
real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay |
1355 |
|
|
real, dimension(klon), intent(INOUT) :: snow, qsurf |
1356 |
|
|
|
1357 |
|
|
! Parametres sorties |
1358 |
|
|
real, dimension(klon), intent(OUT):: tsurf_new, evap, fluxsens, fluxlat |
1359 |
|
|
real, dimension(klon), intent(OUT):: dflux_s, dflux_l |
1360 |
|
|
|
1361 |
|
|
! Variables locales |
1362 |
|
|
integer :: i |
1363 |
|
|
real, dimension(klon) :: zx_mh, zx_nh, zx_oh |
1364 |
|
|
real, dimension(klon) :: zx_mq, zx_nq, zx_oq |
1365 |
|
|
real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef |
1366 |
|
|
real, dimension(klon) :: zx_sl, zx_k1 |
1367 |
|
|
real, dimension(klon) :: zx_q_0 , d_ts |
1368 |
|
|
real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh |
1369 |
|
|
real :: bilan_f, fq_fonte |
1370 |
|
|
REAL :: subli, fsno |
1371 |
|
|
REAL :: qsat_new, q1_new |
1372 |
|
|
real, parameter :: t_grnd = 271.35, t_coup = 273.15 |
1373 |
|
|
!! PB temporaire en attendant mieux pour le modele de neige |
1374 |
|
|
REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15) |
1375 |
|
|
! |
1376 |
|
|
logical, save :: check = .false. |
1377 |
|
|
character (len = 20) :: modname = 'calcul_fluxs' |
1378 |
|
|
logical, save :: fonte_neige = .false. |
1379 |
|
|
real, save :: max_eau_sol = 150.0 |
1380 |
|
|
character (len = 80) :: abort_message |
1381 |
|
|
logical,save :: first = .true.,second=.false. |
1382 |
|
|
|
1383 |
|
|
if (check) write(*,*)'Entree ', modname,' surface = ',nisurf |
1384 |
|
|
|
1385 |
|
|
IF (check) THEN |
1386 |
|
|
WRITE(*,*)' radsol (min, max)' & |
1387 |
|
|
& , MINVAL(radsol(1:knon)), MAXVAL(radsol(1:knon)) |
1388 |
|
|
!!CALL flush(6) |
1389 |
|
|
ENDIF |
1390 |
|
|
|
1391 |
|
|
if (size(coastalflow) /= knon .AND. nisurf == is_ter) then |
1392 |
|
|
write(*,*)'Bizarre, le nombre de points continentaux' |
1393 |
|
|
write(*,*)'a change entre deux appels. J''arrete ...' |
1394 |
|
|
abort_message='Pb run_off' |
1395 |
|
|
call abort_gcm(modname,abort_message,1) |
1396 |
|
|
endif |
1397 |
|
|
! |
1398 |
|
|
! Traitement neige et humidite du sol |
1399 |
|
|
! |
1400 |
|
|
!!$ WRITE(*,*)'test calcul_flux, surface ', nisurf |
1401 |
|
|
!!PB test |
1402 |
|
|
!!$ if (nisurf == is_oce) then |
1403 |
|
|
!!$ snow = 0. |
1404 |
|
|
!!$ qsol = max_eau_sol |
1405 |
|
|
!!$ else |
1406 |
|
|
!!$ where (precip_snow > 0.) snow = snow + (precip_snow * dtime) |
1407 |
|
|
!!$ where (snow > epsilon(snow)) snow = max(0.0, snow - (evap * dtime)) |
1408 |
|
|
!!$! snow = max(0.0, snow + (precip_snow - evap) * dtime) |
1409 |
|
|
!!$ where (precip_rain > 0.) qsol = qsol + (precip_rain - evap) * dtime |
1410 |
|
|
!!$ endif |
1411 |
|
|
!!$ IF (nisurf /= is_ter) qsol = max_eau_sol |
1412 |
|
|
|
1413 |
|
|
! |
1414 |
|
|
! Initialisation |
1415 |
|
|
! |
1416 |
|
|
evap = 0. |
1417 |
|
|
fluxsens=0. |
1418 |
|
|
fluxlat=0. |
1419 |
|
|
dflux_s = 0. |
1420 |
|
|
dflux_l = 0. |
1421 |
|
|
! |
1422 |
|
|
! zx_qs = qsat en kg/kg |
1423 |
|
|
! |
1424 |
|
|
DO i = 1, knon |
1425 |
|
|
zx_pkh(i) = (ps(i)/ps(i))**RKAPPA |
1426 |
|
|
IF (thermcep) THEN |
1427 |
|
|
zdelta=MAX(0.,SIGN(1.,rtt-tsurf(i))) |
1428 |
|
|
zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
1429 |
|
|
zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i)) |
1430 |
|
|
zx_qs= r2es * FOEEW(tsurf(i),zdelta)/ps(i) |
1431 |
|
|
zx_qs=MIN(0.5,zx_qs) |
1432 |
|
|
zcor=1./(1.-retv*zx_qs) |
1433 |
|
|
zx_qs=zx_qs*zcor |
1434 |
|
|
zx_dq_s_dh = FOEDE(tsurf(i),zdelta,zcvm5,zx_qs,zcor) & |
1435 |
|
|
& /RLVTT / zx_pkh(i) |
1436 |
|
|
ELSE |
1437 |
|
|
IF (tsurf(i).LT.t_coup) THEN |
1438 |
|
|
zx_qs = qsats(tsurf(i)) / ps(i) |
1439 |
|
|
zx_dq_s_dh = dqsats(tsurf(i),zx_qs)/RLVTT & |
1440 |
|
|
& / zx_pkh(i) |
1441 |
|
|
ELSE |
1442 |
|
|
zx_qs = qsatl(tsurf(i)) / ps(i) |
1443 |
|
|
zx_dq_s_dh = dqsatl(tsurf(i),zx_qs)/RLVTT & |
1444 |
|
|
& / zx_pkh(i) |
1445 |
|
|
ENDIF |
1446 |
|
|
ENDIF |
1447 |
|
|
zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh |
1448 |
|
|
zx_qsat(i) = zx_qs |
1449 |
|
|
zx_coef(i) = coef1lay(i) & |
1450 |
|
|
& * (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) & |
1451 |
|
|
& * p1lay(i)/(RD*t1lay(i)) |
1452 |
|
|
|
1453 |
|
|
ENDDO |
1454 |
|
|
|
1455 |
|
|
! === Calcul de la temperature de surface === |
1456 |
|
|
! |
1457 |
|
|
! zx_sl = chaleur latente d'evaporation ou de sublimation |
1458 |
|
|
! |
1459 |
|
|
do i = 1, knon |
1460 |
|
|
zx_sl(i) = RLVTT |
1461 |
|
|
if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT |
1462 |
|
|
zx_k1(i) = zx_coef(i) |
1463 |
|
|
enddo |
1464 |
|
|
|
1465 |
|
|
do i = 1, knon |
1466 |
|
|
! Q |
1467 |
|
|
zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime) |
1468 |
|
|
zx_mq(i) = beta(i) * zx_k1(i) * & |
1469 |
|
|
& (peqAcoef(i) - zx_qsat(i) & |
1470 |
|
|
& + zx_dq_s_dt(i) * tsurf(i)) & |
1471 |
|
|
& / zx_oq(i) |
1472 |
|
|
zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) & |
1473 |
|
|
& / zx_oq(i) |
1474 |
|
|
|
1475 |
|
|
! H |
1476 |
|
|
zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime) |
1477 |
|
|
zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i) |
1478 |
|
|
zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i) |
1479 |
|
|
|
1480 |
|
|
! Tsurface |
1481 |
|
|
tsurf_new(i) = (tsurf(i) + cal(i)/(RCPD * zx_pkh(i)) * dtime * & |
1482 |
|
|
& (radsol(i) + zx_mh(i) + zx_sl(i) * zx_mq(i)) & |
1483 |
|
|
& + dif_grnd(i) * t_grnd * dtime)/ & |
1484 |
|
|
& ( 1. - dtime * cal(i)/(RCPD * zx_pkh(i)) * ( & |
1485 |
|
|
& zx_nh(i) + zx_sl(i) * zx_nq(i)) & |
1486 |
|
|
& + dtime * dif_grnd(i)) |
1487 |
|
|
|
1488 |
|
|
! |
1489 |
|
|
! Y'a-t-il fonte de neige? |
1490 |
|
|
! |
1491 |
|
|
! fonte_neige = (nisurf /= is_oce) .AND. & |
1492 |
|
|
! & (snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) & |
1493 |
|
|
! & .AND. (tsurf_new(i) >= RTT) |
1494 |
|
|
! if (fonte_neige) tsurf_new(i) = RTT |
1495 |
|
|
d_ts(i) = tsurf_new(i) - tsurf(i) |
1496 |
|
|
! zx_h_ts(i) = tsurf_new(i) * RCPD * zx_pkh(i) |
1497 |
|
|
! zx_q_0(i) = zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) |
1498 |
|
|
!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas |
1499 |
|
|
!== flux_t est le flux de cpt (energie sensible): j/(m**2 s) |
1500 |
|
|
evap(i) = - zx_mq(i) - zx_nq(i) * tsurf_new(i) |
1501 |
|
|
fluxlat(i) = - evap(i) * zx_sl(i) |
1502 |
|
|
fluxsens(i) = zx_mh(i) + zx_nh(i) * tsurf_new(i) |
1503 |
|
|
! Derives des flux dF/dTs (W m-2 K-1): |
1504 |
|
|
dflux_s(i) = zx_nh(i) |
1505 |
|
|
dflux_l(i) = (zx_sl(i) * zx_nq(i)) |
1506 |
|
|
! Nouvelle valeure de l'humidite au dessus du sol |
1507 |
|
|
qsat_new=zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) |
1508 |
|
|
q1_new = peqAcoef(i) - peqBcoef(i)*evap(i)*dtime |
1509 |
|
|
qsurf(i)=q1_new*(1.-beta(i)) + beta(i)*qsat_new |
1510 |
|
|
ENDDO |
1511 |
|
|
|
1512 |
|
|
END SUBROUTINE calcul_fluxs |
1513 |
|
|
|
1514 |
|
|
!************************ |
1515 |
|
|
|
1516 |
|
|
SUBROUTINE fonte_neige( klon, knon, nisurf, dtime, & |
1517 |
|
|
& tsurf, p1lay, cal, beta, coef1lay, ps, & |
1518 |
|
|
& precip_rain, precip_snow, snow, qsol, & |
1519 |
|
|
& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, & |
1520 |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
1521 |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
1522 |
|
|
& fqcalving,ffonte,run_off_lic_0) |
1523 |
|
|
|
1524 |
|
|
! Routine de traitement de la fonte de la neige dans le cas du traitement |
1525 |
|
|
! de sol simplifié |
1526 |
|
|
! |
1527 |
|
|
! LF 03/2001 |
1528 |
|
|
! input: |
1529 |
|
|
! knon nombre de points a traiter |
1530 |
|
|
! nisurf surface a traiter |
1531 |
|
|
! tsurf temperature de surface |
1532 |
|
|
! p1lay pression 1er niveau (milieu de couche) |
1533 |
|
|
! cal capacite calorifique du sol |
1534 |
|
|
! beta evap reelle |
1535 |
|
|
! coef1lay coefficient d'echange |
1536 |
|
|
! ps pression au sol |
1537 |
|
|
! precip_rain precipitations liquides |
1538 |
|
|
! precip_snow precipitations solides |
1539 |
|
|
! snow champs hauteur de neige |
1540 |
|
|
! qsol hauteur d'eau contenu dans le sol |
1541 |
|
|
! runoff runoff en cas de trop plein |
1542 |
|
|
! petAcoef coeff. A de la resolution de la CL pour t |
1543 |
|
|
! peqAcoef coeff. A de la resolution de la CL pour q |
1544 |
|
|
! petBcoef coeff. B de la resolution de la CL pour t |
1545 |
|
|
! peqBcoef coeff. B de la resolution de la CL pour q |
1546 |
|
|
! radsol rayonnement net aus sol (LW + SW) |
1547 |
|
|
! dif_grnd coeff. diffusion vers le sol profond |
1548 |
|
|
! |
1549 |
|
|
! output: |
1550 |
|
|
! tsurf_new temperature au sol |
1551 |
|
|
! fluxsens flux de chaleur sensible |
1552 |
|
|
! fluxlat flux de chaleur latente |
1553 |
|
|
! dflux_s derivee du flux de chaleur sensible / Ts |
1554 |
|
|
! dflux_l derivee du flux de chaleur latente / Ts |
1555 |
|
|
! in/out: |
1556 |
|
|
! run_off_lic_0 run off glacier du pas de temps précedent |
1557 |
|
|
! |
1558 |
|
|
|
1559 |
|
|
use indicesol |
1560 |
|
|
use YOMCST |
1561 |
|
|
use yoethf |
1562 |
|
|
use fcttre |
1563 |
|
|
!IM cf JLD |
1564 |
|
|
|
1565 |
|
|
! Parametres d'entree |
1566 |
|
|
integer, intent(IN) :: knon, nisurf, klon |
1567 |
|
|
real , intent(IN) :: dtime |
1568 |
|
|
real, dimension(klon), intent(IN) :: petAcoef, peqAcoef |
1569 |
|
|
real, dimension(klon), intent(IN) :: petBcoef, peqBcoef |
1570 |
|
|
real, dimension(klon), intent(IN) :: ps, q1lay |
1571 |
|
|
real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay |
1572 |
|
|
real, dimension(klon), intent(IN) :: precip_rain, precip_snow |
1573 |
|
|
real, dimension(klon), intent(IN) :: radsol, dif_grnd |
1574 |
|
|
real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay |
1575 |
|
|
real, dimension(klon), intent(INOUT) :: snow, qsol |
1576 |
|
|
|
1577 |
|
|
! Parametres sorties |
1578 |
|
|
real, dimension(klon), intent(INOUT):: tsurf_new, evap, fluxsens, fluxlat |
1579 |
|
|
real, dimension(klon), intent(INOUT):: dflux_s, dflux_l |
1580 |
|
|
! Flux thermique utiliser pour fondre la neige |
1581 |
|
|
real, dimension(klon), intent(INOUT):: ffonte |
1582 |
|
|
! Flux d'eau "perdue" par la surface et necessaire pour que limiter la |
1583 |
|
|
! hauteur de neige, en kg/m2/s |
1584 |
|
|
real, dimension(klon), intent(INOUT):: fqcalving |
1585 |
|
|
real, dimension(klon), intent(INOUT):: run_off_lic_0 |
1586 |
|
|
! Variables locales |
1587 |
|
|
! Masse maximum de neige (kg/m2). Au dessus de ce seuil, la neige |
1588 |
|
|
! en exces "s'ecoule" (calving) |
1589 |
|
|
! real, parameter :: snow_max=1. |
1590 |
|
|
!IM cf JLD/GK |
1591 |
|
|
real, parameter :: snow_max=3000. |
1592 |
|
|
integer :: i |
1593 |
|
|
real, dimension(klon) :: zx_mh, zx_nh, zx_oh |
1594 |
|
|
real, dimension(klon) :: zx_mq, zx_nq, zx_oq |
1595 |
|
|
real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef |
1596 |
|
|
real, dimension(klon) :: zx_sl, zx_k1 |
1597 |
|
|
real, dimension(klon) :: zx_q_0 , d_ts |
1598 |
|
|
real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh |
1599 |
|
|
real :: bilan_f, fq_fonte |
1600 |
|
|
REAL :: subli, fsno |
1601 |
|
|
REAL, DIMENSION(klon) :: bil_eau_s, snow_evap |
1602 |
|
|
real, parameter :: t_grnd = 271.35, t_coup = 273.15 |
1603 |
|
|
!! PB temporaire en attendant mieux pour le modele de neige |
1604 |
|
|
! REAL, parameter :: chasno = RLMLT/(2.3867E+06*0.15) |
1605 |
|
|
REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15) |
1606 |
|
|
!IM cf JLD/ GKtest |
1607 |
|
|
REAL, parameter :: chaice = 3.334E+05/(2.3867E+06*0.15) |
1608 |
|
|
! fin GKtest |
1609 |
|
|
! |
1610 |
|
|
logical, save :: check = .FALSE. |
1611 |
|
|
character (len = 20) :: modname = 'fonte_neige' |
1612 |
|
|
logical, save :: neige_fond = .false. |
1613 |
|
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real, save :: max_eau_sol = 150.0 |
1614 |
|
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character (len = 80) :: abort_message |
1615 |
|
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logical,save :: first = .true.,second=.false. |
1616 |
|
|
real :: coeff_rel |
1617 |
|
|
|
1618 |
|
|
if (check) write(*,*)'Entree ', modname,' surface = ',nisurf |
1619 |
|
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|
1620 |
|
|
! Initialisations |
1621 |
|
|
coeff_rel = dtime/(tau_calv * rday) |
1622 |
|
|
bil_eau_s(:) = 0. |
1623 |
|
|
DO i = 1, knon |
1624 |
|
|
zx_pkh(i) = (ps(i)/ps(i))**RKAPPA |
1625 |
|
|
IF (thermcep) THEN |
1626 |
|
|
zdelta=MAX(0.,SIGN(1.,rtt-tsurf(i))) |
1627 |
|
|
zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
1628 |
|
|
zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i)) |
1629 |
|
|
zx_qs= r2es * FOEEW(tsurf(i),zdelta)/ps(i) |
1630 |
|
|
zx_qs=MIN(0.5,zx_qs) |
1631 |
|
|
zcor=1./(1.-retv*zx_qs) |
1632 |
|
|
zx_qs=zx_qs*zcor |
1633 |
|
|
zx_dq_s_dh = FOEDE(tsurf(i),zdelta,zcvm5,zx_qs,zcor) & |
1634 |
|
|
& /RLVTT / zx_pkh(i) |
1635 |
|
|
ELSE |
1636 |
|
|
IF (tsurf(i).LT.t_coup) THEN |
1637 |
|
|
zx_qs = qsats(tsurf(i)) / ps(i) |
1638 |
|
|
zx_dq_s_dh = dqsats(tsurf(i),zx_qs)/RLVTT & |
1639 |
|
|
& / zx_pkh(i) |
1640 |
|
|
ELSE |
1641 |
|
|
zx_qs = qsatl(tsurf(i)) / ps(i) |
1642 |
|
|
zx_dq_s_dh = dqsatl(tsurf(i),zx_qs)/RLVTT & |
1643 |
|
|
& / zx_pkh(i) |
1644 |
|
|
ENDIF |
1645 |
|
|
ENDIF |
1646 |
|
|
zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh |
1647 |
|
|
zx_qsat(i) = zx_qs |
1648 |
|
|
zx_coef(i) = coef1lay(i) & |
1649 |
|
|
& * (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) & |
1650 |
|
|
& * p1lay(i)/(RD*t1lay(i)) |
1651 |
|
|
ENDDO |
1652 |
|
|
|
1653 |
|
|
! === Calcul de la temperature de surface === |
1654 |
|
|
! |
1655 |
|
|
! zx_sl = chaleur latente d'evaporation ou de sublimation |
1656 |
|
|
! |
1657 |
|
|
do i = 1, knon |
1658 |
|
|
zx_sl(i) = RLVTT |
1659 |
|
|
if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT |
1660 |
|
|
zx_k1(i) = zx_coef(i) |
1661 |
|
|
enddo |
1662 |
|
|
|
1663 |
|
|
do i = 1, knon |
1664 |
|
|
! Q |
1665 |
|
|
zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime) |
1666 |
|
|
zx_mq(i) = beta(i) * zx_k1(i) * & |
1667 |
|
|
& (peqAcoef(i) - zx_qsat(i) & |
1668 |
|
|
& + zx_dq_s_dt(i) * tsurf(i)) & |
1669 |
|
|
& / zx_oq(i) |
1670 |
|
|
zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) & |
1671 |
|
|
& / zx_oq(i) |
1672 |
|
|
|
1673 |
|
|
! H |
1674 |
|
|
zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime) |
1675 |
|
|
zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i) |
1676 |
|
|
zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i) |
1677 |
|
|
enddo |
1678 |
|
|
|
1679 |
|
|
WHERE (precip_snow > 0.) snow = snow + (precip_snow * dtime) |
1680 |
|
|
snow_evap = 0. |
1681 |
|
|
WHERE (evap > 0. ) |
1682 |
|
|
snow_evap = MIN (snow / dtime, evap) |
1683 |
|
|
snow = snow - snow_evap * dtime |
1684 |
|
|
snow = MAX(0.0, snow) |
1685 |
|
|
end where |
1686 |
|
|
|
1687 |
|
|
! bil_eau_s = bil_eau_s + (precip_rain * dtime) - (evap - snow_evap) * dtime |
1688 |
|
|
bil_eau_s = (precip_rain * dtime) - (evap - snow_evap) * dtime |
1689 |
|
|
|
1690 |
|
|
! |
1691 |
|
|
! Y'a-t-il fonte de neige? |
1692 |
|
|
! |
1693 |
|
|
ffonte=0. |
1694 |
|
|
do i = 1, knon |
1695 |
|
|
neige_fond = ((snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) & |
1696 |
|
|
& .AND. tsurf_new(i) >= RTT) |
1697 |
|
|
if (neige_fond) then |
1698 |
|
|
fq_fonte = MIN( MAX((tsurf_new(i)-RTT )/chasno,0.0),snow(i)) |
1699 |
|
|
ffonte(i) = fq_fonte * RLMLT/dtime |
1700 |
|
|
snow(i) = max(0., snow(i) - fq_fonte) |
1701 |
|
|
bil_eau_s(i) = bil_eau_s(i) + fq_fonte |
1702 |
|
|
tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno |
1703 |
|
|
!IM cf JLD OK |
1704 |
|
|
!IM cf JLD/ GKtest fonte aussi pour la glace |
1705 |
|
|
IF (nisurf == is_sic .OR. nisurf == is_lic ) THEN |
1706 |
|
|
fq_fonte = MAX((tsurf_new(i)-RTT )/chaice,0.0) |
1707 |
|
|
ffonte(i) = ffonte(i) + fq_fonte * RLMLT/dtime |
1708 |
|
|
bil_eau_s(i) = bil_eau_s(i) + fq_fonte |
1709 |
|
|
tsurf_new(i) = RTT |
1710 |
|
|
ENDIF |
1711 |
|
|
d_ts(i) = tsurf_new(i) - tsurf(i) |
1712 |
|
|
endif |
1713 |
|
|
! |
1714 |
|
|
! s'il y a une hauteur trop importante de neige, elle s'coule |
1715 |
|
|
fqcalving(i) = max(0., snow(i) - snow_max)/dtime |
1716 |
|
|
snow(i)=min(snow(i),snow_max) |
1717 |
|
|
! |
1718 |
|
|
IF (nisurf == is_ter) then |
1719 |
|
|
qsol(i) = qsol(i) + bil_eau_s(i) |
1720 |
|
|
run_off(i) = run_off(i) + MAX(qsol(i) - max_eau_sol, 0.0) |
1721 |
|
|
qsol(i) = MIN(qsol(i), max_eau_sol) |
1722 |
|
|
else if (nisurf == is_lic) then |
1723 |
|
|
run_off_lic(i) = (coeff_rel * fqcalving(i)) + & |
1724 |
|
|
& (1. - coeff_rel) * run_off_lic_0(i) |
1725 |
|
|
run_off_lic_0(i) = run_off_lic(i) |
1726 |
|
|
run_off_lic(i) = run_off_lic(i) + bil_eau_s(i)/dtime |
1727 |
|
|
endif |
1728 |
|
|
enddo |
1729 |
|
|
|
1730 |
|
|
END SUBROUTINE fonte_neige |
1731 |
|
|
|
1732 |
|
|
END MODULE interface_surf |