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MODULE interface_surf |
MODULE interface_surf |
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! From phylmd/interface_surf.F90,v 1.8 2005/05/25 13:10:09 |
! From phylmd/interface_surf.F90, version 1.8 2005/05/25 13:10:09 |
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! L. Fairhead, LMD, february 2000 |
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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 |
IMPLICIT none |
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PRIVATE |
! run_off ruissellement total |
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PUBLIC :: interfsurf_hq |
REAL, ALLOCATABLE, DIMENSION(:), SAVE :: run_off, run_off_lic |
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real, allocatable, dimension(:), save :: coastalflow, riverflow |
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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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! 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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! 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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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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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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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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! |
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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' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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endif |
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DO i=1, klon |
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tmp_tslab(i)=tslab(i) |
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ENDDO |
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! |
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! Aiguillage vers les differents schemas de surface |
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if (nisurf == is_ter) then |
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! |
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! Surface "terre" appel a l'interface avec les sols continentaux |
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! |
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! allocation du run-off |
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if (.not. allocated(coastalflow)) then |
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allocate(coastalflow(knon), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation coastalflow' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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allocate(riverflow(knon), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation riverflow' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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allocate(run_off(knon), stat = error) |
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if (error /= 0) then |
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abort_message='Pb allocation run_off' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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!cym |
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run_off=0.0 |
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!cym |
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!!$PB |
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ALLOCATE (tmp_rriv(iim,jjm+1), stat=error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_rriv' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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ALLOCATE (tmp_rcoa(iim,jjm+1), stat=error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_rcoa' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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ALLOCATE (tmp_rlic(iim,jjm+1), stat=error) |
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if (error /= 0) then |
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abort_message='Pb allocation tmp_rlic' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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tmp_rriv = 0.0 |
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tmp_rcoa = 0.0 |
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tmp_rlic = 0.0 |
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!!$ |
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else if (size(coastalflow) /= knon) then |
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write(*,*)'Bizarre, le nombre de points continentaux' |
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write(*,*)'a change entre deux appels. J''arrete ...' |
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abort_message='voir ci-dessus' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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coastalflow = 0. |
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riverflow = 0. |
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! |
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! Calcul age de la neige |
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if (.not. ok_veget) then |
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! |
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! calcul albedo: lecture albedo fichier CL puis ajout albedo neige |
|
|
! |
|
|
call interfsur_lim(itime, dtime, jour, & |
|
|
& klon, nisurf, knon, knindex, debut, & |
|
|
& alb_new, z0_new) |
|
|
! |
|
|
! calcul snow et qsurf, hydrol adapté |
|
|
! |
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
|
|
|
|
|
IF (soil_model) THEN |
|
|
CALL soil(dtime, nisurf, knon,snow, tsurf, tsoil,soilcap, soilflux) |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
|
|
ELSE |
|
|
cal = RCPD * capsol |
|
|
!!$ cal = capsol |
|
|
ENDIF |
|
|
CALL calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
|
|
|
CALL fonte_neige( klon, knon, nisurf, dtime, & |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
& precip_rain, precip_snow, snow, qsol, & |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
|
|
& fqcalving,ffonte, run_off_lic_0) |
|
|
|
|
|
call albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:)) |
|
|
where (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
|
|
zfra(1:knon) = max(0.0,min(1.0,snow(1:knon)/(snow(1:knon)+10.0))) |
|
|
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
|
|
& alb_new(1 : knon)*(1.0-zfra(1:knon)) |
|
|
z0_new = sqrt(z0_new**2+rugoro**2) |
|
|
alblw(1 : knon) = alb_new(1 : knon) |
|
|
|
|
|
else |
|
|
endif |
|
|
! |
|
|
! Remplissage des pourcentages de surface |
|
|
! |
|
|
pctsrf_new(:,nisurf) = pctsrf(:,nisurf) |
|
|
|
|
|
else if (nisurf == is_oce) then |
|
|
! Surface "ocean" appel a l'interface avec l'ocean |
|
|
! |
|
|
if (ocean == 'slab ') then |
|
|
tsurf_new = tsurf |
|
|
pctsrf_new = tmp_pctsrf_slab |
|
|
! |
|
|
else ! lecture conditions limites |
|
|
call interfoce_lim(itime, dtime, jour, & |
|
|
& klon, nisurf, knon, knindex, & |
|
|
& debut, & |
|
|
& tsurf_new, pctsrf_new) |
|
|
|
|
|
endif |
|
|
|
|
|
tsurf_temp = tsurf_new |
|
|
cal = 0. |
|
|
beta = 1. |
|
|
dif_grnd = 0. |
|
|
alb_neig(:) = 0. |
|
|
agesno(:) = 0. |
|
|
|
|
|
call calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
|
|
|
fder_prev = fder |
|
|
fder = fder_prev + dflux_s + dflux_l |
|
|
|
|
|
iloc = maxloc(fder(1:klon)) |
|
|
if (check.and.fder(iloc(1))> 0.) then |
|
|
WRITE(*,*)'**** Debug fder****' |
|
|
WRITE(*,*)'max fder(',iloc(1),') = ',fder(iloc(1)) |
|
|
WRITE(*,*)'fder_prev, dflux_s, dflux_l',fder_prev(iloc(1)), & |
|
|
& dflux_s(iloc(1)), dflux_l(iloc(1)) |
|
|
endif |
|
|
!!$ |
|
|
!!$ where(fder.gt.0.) |
|
|
!!$ fder = 0. |
|
|
!!$ endwhere |
|
|
|
|
|
!IM: flux ocean-atmosphere utile pour le "slab" ocean |
|
|
DO i=1, knon |
|
|
zx_sl(i) = RLVTT |
|
|
if (tsurf_new(i) .LT. RTT) zx_sl(i) = RLSTT |
|
|
flux_o(i) = fluxsens(i)-evap(i)*zx_sl(i) |
|
|
tmp_flux_o(knindex(i)) = flux_o(i) |
|
|
tmp_radsol(knindex(i))=radsol(i) |
|
|
ENDDO |
|
|
! |
|
|
! 2eme appel a interfoce pour le cumul des champs (en particulier |
|
|
! fluxsens et fluxlat calcules dans calcul_fluxs) |
|
|
! |
|
|
if (ocean == 'slab ') then |
|
|
! |
|
|
seaice=tmp_seaice |
|
|
cumul = .true. |
|
|
call interfoce_slab(klon, debut, itime, dtime, jour, & |
|
|
& tmp_radsol, tmp_flux_o, tmp_flux_g, pctsrf, & |
|
|
& tslab, seaice, pctsrf_new) |
|
|
! |
|
|
tmp_pctsrf_slab=pctsrf_new |
|
|
DO i=1, knon |
|
|
tsurf_new(i)=tslab(knindex(i)) |
|
|
ENDDO !i |
|
|
! |
|
|
endif |
|
|
|
|
|
! |
|
|
! calcul albedo |
|
|
! |
|
|
|
|
|
if ( minval(rmu0) == maxval(rmu0) .and. minval(rmu0) == -999.999 ) then |
|
|
CALL alboc(FLOAT(jour),rlat,alb_eau) |
|
|
else ! cycle diurne |
|
|
CALL alboc_cd(rmu0,alb_eau) |
|
|
endif |
|
|
DO ii =1, knon |
|
|
alb_new(ii) = alb_eau(knindex(ii)) |
|
|
enddo |
|
|
|
|
|
z0_new = sqrt(rugos**2 + rugoro**2) |
|
|
alblw(1:knon) = alb_new(1:knon) |
|
|
|
|
|
! |
|
|
else if (nisurf == is_sic) then |
|
|
|
|
|
if (check) write(*,*)'sea ice, nisurf = ',nisurf |
|
|
|
|
|
! |
|
|
! Surface "glace de mer" appel a l'interface avec l'ocean |
|
|
! |
|
|
! |
|
|
if (ocean == 'slab ') then |
|
|
pctsrf_new=tmp_pctsrf_slab |
|
|
! |
|
|
DO ii = 1, knon |
|
|
tsurf_new(ii) = tsurf(ii) |
|
|
IF (pctsrf_new(knindex(ii),nisurf) < EPSFRA) then |
|
|
snow(ii) = 0.0 |
|
|
tsurf_new(ii) = RTT - 1.8 |
|
|
IF (soil_model) tsoil(ii,:) = RTT -1.8 |
|
|
ENDIF |
|
|
ENDDO |
|
|
|
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
|
|
|
|
|
IF (soil_model) THEN |
|
|
CALL soil(dtime, nisurf, knon,snow, tsurf_new, tsoil,soilcap, soilflux) |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
|
|
ELSE |
|
|
dif_grnd = 1.0 / tau_gl |
|
|
cal = RCPD * calice |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
|
|
ENDIF |
|
|
tsurf_temp = tsurf_new |
|
|
beta = 1.0 |
|
|
! |
|
|
ELSE |
|
|
! ! lecture conditions limites |
|
|
CALL interfoce_lim(itime, dtime, jour, & |
|
|
& klon, nisurf, knon, knindex, & |
|
|
& debut, & |
|
|
& tsurf_new, pctsrf_new) |
|
|
|
|
|
!IM cf LF |
|
|
DO ii = 1, knon |
|
|
tsurf_new(ii) = tsurf(ii) |
|
|
!IMbad IF (pctsrf_new(ii,nisurf) < EPSFRA) then |
|
|
IF (pctsrf_new(knindex(ii),nisurf) < EPSFRA) then |
|
|
snow(ii) = 0.0 |
|
|
!IM cf LF/JLD tsurf(ii) = RTT - 1.8 |
|
|
tsurf_new(ii) = RTT - 1.8 |
|
|
IF (soil_model) tsoil(ii,:) = RTT -1.8 |
|
|
endif |
|
|
enddo |
|
|
|
|
|
CALL calbeta(dtime, nisurf, knon, snow, qsol, beta, capsol, dif_grnd) |
|
|
|
|
|
IF (soil_model) THEN |
|
|
!IM cf LF/JLD CALL soil(dtime, nisurf, knon,snow, tsurf, tsoil,soilcap, soilflux) |
|
|
CALL soil(dtime, nisurf, knon,snow, tsurf_new, tsoil,soilcap, soilflux) |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
|
|
dif_grnd = 0. |
|
|
ELSE |
|
|
dif_grnd = 1.0 / tau_gl |
|
|
cal = RCPD * calice |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
|
|
ENDIF |
|
|
!IMbadtsurf_temp = tsurf |
|
|
tsurf_temp = tsurf_new |
|
|
beta = 1.0 |
|
|
ENDIF |
|
|
|
|
|
CALL calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
! |
|
|
!IM: flux entre l'ocean et la glace de mer pour le "slab" ocean |
|
|
DO i = 1, knon |
|
|
flux_g(i) = 0.0 |
|
|
! |
|
|
!IM: faire dependre le coefficient de conduction de la glace de mer |
|
|
! de l'epaisseur de la glace de mer, dans l'hypothese ou le coeff. |
|
|
! actuel correspond a 3m de glace de mer, cf. L.Li |
|
|
! |
|
|
! IF(1.EQ.0) THEN |
|
|
! IF(siceh(i).GT.0.) THEN |
|
|
! new_dif_grnd(i) = dif_grnd(i)*3./siceh(i) |
|
|
! ELSE |
|
|
! new_dif_grnd(i) = 0. |
|
|
! ENDIF |
|
|
! ENDIF !(1.EQ.0) THEN |
|
|
! |
|
|
IF (cal(i).GT.1.0e-15) flux_g(i)=(tsurf_new(i)-t_grnd) & |
|
|
& * dif_grnd(i) *RCPD/cal(i) |
|
|
! & * new_dif_grnd(i) *RCPD/cal(i) |
|
|
tmp_flux_g(knindex(i))=flux_g(i) |
|
|
tmp_radsol(knindex(i))=radsol(i) |
|
|
ENDDO |
|
|
|
|
|
CALL fonte_neige( klon, knon, nisurf, dtime, & |
|
|
& tsurf_temp, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
& precip_rain, precip_snow, snow, qsol, & |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
|
|
& fqcalving,ffonte, run_off_lic_0) |
|
|
|
|
|
! calcul albedo |
|
|
|
|
|
CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:)) |
|
|
WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
|
|
zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/(snow(1:knon)+10.0))) |
|
|
alb_new(1 : knon) = alb_neig(1 : knon) *zfra(1:knon) + & |
|
|
0.6 * (1.0-zfra(1:knon)) |
|
|
|
|
|
fder_prev = fder |
|
|
fder = fder_prev + dflux_s + dflux_l |
|
|
|
|
|
iloc = maxloc(fder(1:klon)) |
|
|
if (check.and.fder(iloc(1))> 0.) then |
|
|
WRITE(*,*)'**** Debug fder ****' |
|
|
WRITE(*,*)'max fder(',iloc(1),') = ',fder(iloc(1)) |
|
|
WRITE(*,*)'fder_prev, dflux_s, dflux_l',fder_prev(iloc(1)), & |
|
|
& dflux_s(iloc(1)), dflux_l(iloc(1)) |
|
|
endif |
|
|
|
|
|
! |
|
|
! 2eme appel a interfoce pour le cumul et le passage des flux a l'ocean |
|
|
! |
|
|
z0_new = 0.002 |
|
|
z0_new = SQRT(z0_new**2+rugoro**2) |
|
|
alblw(1:knon) = alb_new(1:knon) |
|
|
|
|
|
else if (nisurf == is_lic) then |
|
|
|
|
|
if (check) write(*,*)'glacier, nisurf = ',nisurf |
|
|
|
|
|
if (.not. allocated(run_off_lic)) then |
|
|
allocate(run_off_lic(knon), stat = error) |
|
|
if (error /= 0) then |
|
|
abort_message='Pb allocation run_off_lic' |
|
|
call abort_gcm(modname,abort_message,1) |
|
|
endif |
|
|
run_off_lic = 0. |
|
|
endif |
|
|
! |
|
|
! Surface "glacier continentaux" appel a l'interface avec le sol |
|
|
! |
|
|
IF (soil_model) THEN |
|
|
CALL soil(dtime, nisurf, knon, snow, tsurf, tsoil,soilcap, soilflux) |
|
|
cal(1:knon) = RCPD / soilcap(1:knon) |
|
|
radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
|
|
ELSE |
|
|
cal = RCPD * calice |
|
|
WHERE (snow > 0.0) cal = RCPD * calsno |
|
|
ENDIF |
|
|
beta = 1.0 |
|
|
dif_grnd = 0.0 |
|
|
|
|
|
call calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
|
|
|
call fonte_neige( klon, knon, nisurf, dtime, & |
|
|
& tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
|
|
& precip_rain, precip_snow, snow, qsol, & |
|
|
& radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
|
|
& fqcalving,ffonte, run_off_lic_0) |
|
|
|
|
|
! passage du run-off des glaciers calcule dans fonte_neige au coupleur |
|
|
bidule=0. |
|
|
bidule(1:knon)= run_off_lic(1:knon) |
|
|
call gath2cpl(bidule, tmp_rlic, klon, knon,iim,jjm,knindex) |
|
|
! |
|
|
! calcul albedo |
|
|
! |
|
|
CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:)) |
|
|
WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
|
|
zfra(1:knon) = MAX(0.0,MIN(1.0,snow(1:knon)/(snow(1:knon)+10.0))) |
|
|
alb_new(1 : knon) = alb_neig(1 : knon)*zfra(1:knon) + & |
|
|
& 0.6 * (1.0-zfra(1:knon)) |
|
|
! |
|
|
!IM: plusieurs choix/tests sur l'albedo des "glaciers continentaux" |
|
|
! alb_new(1 : knon) = 0.6 !IM cf FH/GK |
|
|
! alb_new(1 : knon) = 0.82 |
|
|
! alb_new(1 : knon) = 0.77 !211003 Ksta0.77 |
|
|
! alb_new(1 : knon) = 0.8 !KstaTER0.8 & LMD_ARMIP5 |
|
|
!IM: KstaTER0.77 & LMD_ARMIP6 |
|
|
alb_new(1 : knon) = 0.77 |
|
|
|
|
|
! |
|
|
! Rugosite |
|
|
! |
|
|
z0_new = rugoro |
|
|
! |
|
|
! Remplissage des pourcentages de surface |
|
|
! |
|
|
pctsrf_new(:,nisurf) = pctsrf(:,nisurf) |
|
|
|
|
|
alblw(1:knon) = alb_new(1:knon) |
|
|
else |
|
|
write(*,*)'Index surface = ',nisurf |
|
|
abort_message = 'Index surface non valable' |
|
|
call abort_gcm(modname,abort_message,1) |
|
|
endif |
|
|
|
|
|
END SUBROUTINE interfsurf_hq |
|
|
|
|
|
!************************ |
|
|
|
|
|
SUBROUTINE interfoce_slab(klon, debut, itap, dtime, ijour, & |
|
|
& radsol, fluxo, fluxg, pctsrf, & |
|
|
& tslab, seaice, pctsrf_slab) |
|
|
! |
|
|
! Cette routine calcule la temperature d'un slab ocean, la glace de mer |
|
|
! et les pourcentages de la maille couverte par l'ocean libre et/ou |
|
|
! la glace de mer pour un "slab" ocean de 50m |
|
|
! |
|
|
! I. Musat 04.02.2005 |
|
|
! |
|
|
! input: |
|
|
! klon nombre total de points de grille |
|
|
! debut logical: 1er appel a la physique |
|
|
! itap numero du pas de temps |
|
|
! dtime pas de temps de la physique (en s) |
|
|
! ijour jour dans l'annee en cours |
|
|
! radsol rayonnement net au sol (LW + SW) |
|
|
! fluxo flux turbulent (sensible + latent) sur les mailles oceaniques |
|
|
! fluxg flux de conduction entre la surface de la glace de mer et l'ocean |
|
|
! pctsrf tableau des pourcentages de surface de chaque maille |
|
|
! output: |
|
|
! tslab temperature de l'ocean libre |
|
|
! seaice glace de mer (kg/m2) |
|
|
! pctsrf_slab "pourcentages" (valeurs entre 0. et 1.) surfaces issus du slab |
|
|
! |
|
|
use indicesol |
|
|
use clesphys |
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use abort_gcm_m, only: abort_gcm |
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use YOMCST |
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! Parametres d'entree |
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integer, intent(IN) :: klon |
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logical, intent(IN) :: debut |
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INTEGER, intent(IN) :: itap |
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REAL, intent(IN) :: dtime |
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INTEGER, intent(IN) :: ijour |
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REAL, dimension(klon), intent(IN) :: radsol |
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REAL, dimension(klon), intent(IN) :: fluxo |
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REAL, dimension(klon), intent(IN) :: fluxg |
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real, dimension(klon, nbsrf), intent(IN) :: pctsrf |
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! Parametres de sortie |
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real, dimension(klon), intent(INOUT) :: tslab |
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real, dimension(klon), intent(INOUT) :: seaice ! glace de mer (kg/m2) |
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real, dimension(klon, nbsrf), intent(OUT) :: pctsrf_slab |
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! |
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! Variables locales : |
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INTEGER, save :: lmt_pas, julien, idayvrai |
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REAL, parameter :: unjour=86400. |
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real, allocatable, dimension(:), save :: tmp_tslab, tmp_seaice |
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REAL, allocatable, dimension(:), save :: slab_bils |
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REAL, allocatable, dimension(:), save :: lmt_bils |
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logical,save :: check = .false. |
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! |
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REAL, parameter :: cyang=50.0 * 4.228e+06 ! capacite calorifique volumetrique de l'eau J/(m2 K) |
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REAL, parameter :: cbing=0.334e+05 ! J/kg |
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real, dimension(klon) :: siceh !hauteur de la glace de mer (m) |
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INTEGER :: i |
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integer :: sum_error, error |
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REAL :: zz, za, zb |
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! |
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character (len = 80) :: abort_message |
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character (len = 20) :: modname = 'interfoce_slab' |
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! |
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julien = MOD(ijour,360) |
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sum_error = 0 |
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IF (debut) THEN |
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allocate(slab_bils(klon), stat = error); sum_error = sum_error + error |
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allocate(lmt_bils(klon), stat = error); sum_error = sum_error + error |
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allocate(tmp_tslab(klon), stat = error); sum_error = sum_error + error |
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allocate(tmp_seaice(klon), stat = error); sum_error = sum_error + error |
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if (sum_error /= 0) then |
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abort_message='Pb allocation var. slab_bils,lmt_bils,tmp_tslab,tmp_seaice' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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tmp_tslab=tslab |
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tmp_seaice=seaice |
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lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
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! |
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IF (check) THEN |
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PRINT*,'interfoce_slab klon, debut, itap, dtime, ijour, & |
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& lmt_pas ', klon, debut, itap, dtime, ijour, & |
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& lmt_pas |
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ENDIF !check |
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! |
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PRINT*, '************************' |
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PRINT*, 'SLAB OCEAN est actif, prenez precautions !' |
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PRINT*, '************************' |
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! |
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! a mettre un slab_bils aussi en force !!! |
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! |
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DO i = 1, klon |
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slab_bils(i) = 0.0 |
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ENDDO |
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! |
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ENDIF !debut |
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pctsrf_slab(1:klon,1:nbsrf) = pctsrf(1:klon,1:nbsrf) |
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! |
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! lecture du bilan au sol lmt_bils issu d'une simulation forcee en debut de journee |
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! |
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IF (MOD(itap,lmt_pas) .EQ. 1) THEN !1er pas de temps de la journee |
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idayvrai = ijour |
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CALL condsurf(julien,idayvrai, lmt_bils) |
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ENDIF !(MOD(itap-1,lmt_pas) .EQ. 0) THEN |
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DO i = 1, klon |
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IF((pctsrf_slab(i,is_oce).GT.epsfra).OR. & |
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& (pctsrf_slab(i,is_sic).GT.epsfra)) THEN |
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! |
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! fabriquer de la glace si congelation atteinte: |
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! |
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IF (tmp_tslab(i).LT.(RTT-1.8)) THEN |
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zz = (RTT-1.8)-tmp_tslab(i) |
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tmp_seaice(i) = tmp_seaice(i) + cyang/cbing * zz |
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seaice(i) = tmp_seaice(i) |
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tmp_tslab(i) = RTT-1.8 |
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ENDIF |
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! |
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! faire fondre de la glace si temperature est superieure a 0: |
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! |
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IF ((tmp_tslab(i).GT.RTT) .AND. (tmp_seaice(i).GT.0.0)) THEN |
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zz = cyang/cbing * (tmp_tslab(i)-RTT) |
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zz = MIN(zz,tmp_seaice(i)) |
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tmp_seaice(i) = tmp_seaice(i) - zz |
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seaice(i) = tmp_seaice(i) |
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tmp_tslab(i) = tmp_tslab(i) - zz*cbing/cyang |
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ENDIF |
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! |
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! limiter la glace de mer a 10 metres (10000 kg/m2) |
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! |
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IF(tmp_seaice(i).GT.45.) THEN |
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tmp_seaice(i) = MIN(tmp_seaice(i),10000.0) |
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ELSE |
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tmp_seaice(i) = 0. |
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ENDIF |
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seaice(i) = tmp_seaice(i) |
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siceh(i)=tmp_seaice(i)/1000. !en metres |
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! |
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! determiner la nature du sol (glace de mer ou ocean libre): |
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! |
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! on fait dependre la fraction de seaice "pctsrf(i,is_sic)" |
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! de l'epaisseur de seaice : |
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! pctsrf(i,is_sic)=1. si l'epaisseur de la glace de mer est >= a 20cm |
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! et pctsrf(i,is_sic) croit lineairement avec seaice de 0. a 20cm d'epaisseur |
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! |
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pctsrf_slab(i,is_sic)=MIN(siceh(i)/0.20, & |
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& 1.-(pctsrf_slab(i,is_ter)+pctsrf_slab(i,is_lic))) |
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pctsrf_slab(i,is_oce)=1.0 - & |
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& (pctsrf_slab(i,is_ter)+pctsrf_slab(i,is_lic)+pctsrf_slab(i,is_sic)) |
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ENDIF !pctsrf |
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ENDDO |
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! |
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! Calculer le bilan du flux de chaleur au sol : |
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! |
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DO i = 1, klon |
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za = radsol(i) + fluxo(i) |
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zb = fluxg(i) |
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IF((pctsrf_slab(i,is_oce).GT.epsfra).OR. & |
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& (pctsrf_slab(i,is_sic).GT.epsfra)) THEN |
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slab_bils(i)=slab_bils(i)+(za*pctsrf_slab(i,is_oce) & |
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& +zb*pctsrf_slab(i,is_sic))/ FLOAT(lmt_pas) |
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ENDIF |
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ENDDO !klon |
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! |
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! calcul tslab |
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! |
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IF (MOD(itap,lmt_pas).EQ.0) THEN !fin de journee |
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DO i = 1, klon |
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IF ((pctsrf_slab(i,is_oce).GT.epsfra).OR. & |
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& (pctsrf_slab(i,is_sic).GT.epsfra)) THEN |
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tmp_tslab(i) = tmp_tslab(i) + & |
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& (slab_bils(i)-lmt_bils(i)) & |
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& /cyang*unjour |
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! on remet l'accumulation a 0 |
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slab_bils(i) = 0. |
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ENDIF !pctsrf |
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ENDDO !klon |
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ENDIF !(MOD(itap,lmt_pas).EQ.0) THEN |
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! |
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tslab = tmp_tslab |
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seaice = tmp_seaice |
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END SUBROUTINE interfoce_slab |
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!************************ |
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SUBROUTINE interfoce_lim(itime, dtime, jour, & |
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& klon, nisurf, knon, knindex, & |
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& debut, & |
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& lmt_sst, pctsrf_new) |
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! Cette routine sert d'interface entre le modele atmospherique et un fichier |
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! de conditions aux limites |
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! |
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! L. Fairhead 02/2000 |
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! |
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! input: |
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! itime numero du pas de temps courant |
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! dtime pas de temps de la physique (en s) |
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! jour jour a lire dans l'annee |
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! nisurf index de la surface a traiter (1 = sol continental) |
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! knon nombre de points dans le domaine a traiter |
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! knindex index des points de la surface a traiter |
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! klon taille de la grille |
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! debut logical: 1er appel a la physique (initialisation) |
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! |
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! output: |
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! lmt_sst SST lues dans le fichier de CL |
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! pctsrf_new sous-maille fractionnelle |
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! |
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use abort_gcm_m, only: abort_gcm |
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use indicesol |
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! Parametres d'entree |
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integer, intent(IN) :: itime |
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real , intent(IN) :: dtime |
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integer, intent(IN) :: jour |
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integer, intent(IN) :: nisurf |
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integer, intent(IN) :: knon |
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integer, intent(IN) :: klon |
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integer, dimension(klon), intent(in) :: knindex |
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logical, intent(IN) :: debut |
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! Parametres de sortie |
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real, intent(out), dimension(klon) :: lmt_sst |
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real, intent(out), dimension(klon,nbsrf) :: pctsrf_new |
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! Variables locales |
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integer :: ii |
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INTEGER,save :: lmt_pas ! frequence de lecture des conditions limites |
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! (en pas de physique) |
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logical,save :: deja_lu ! pour indiquer que le jour a lire a deja |
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! lu pour une surface precedente |
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integer,save :: jour_lu |
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integer :: ierr |
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character (len = 20) :: modname = 'interfoce_lim' |
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character (len = 80) :: abort_message |
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logical, save :: newlmt = .TRUE. |
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logical, save :: check = .FALSE. |
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! Champs lus dans le fichier de CL |
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real, allocatable , save, dimension(:) :: sst_lu, rug_lu, nat_lu |
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real, allocatable , save, dimension(:,:) :: pct_tmp |
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! |
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! quelques variables pour netcdf |
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! |
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include "netcdf.inc" |
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integer :: nid, nvarid |
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integer, dimension(2) :: start, epais |
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! |
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! Fin déclaration |
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! |
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if (debut .and. .not. allocated(sst_lu)) then |
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lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
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jour_lu = jour - 1 |
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allocate(sst_lu(klon)) |
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allocate(nat_lu(klon)) |
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allocate(pct_tmp(klon,nbsrf)) |
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endif |
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if ((jour - jour_lu) /= 0) deja_lu = .false. |
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if (check) write(*,*)modname,' :: jour, jour_lu, deja_lu', jour, jour_lu, & |
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deja_lu |
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if (check) write(*,*)modname,' :: itime, lmt_pas ', itime, lmt_pas,dtime |
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! Tester d'abord si c'est le moment de lire le fichier |
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if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu) then |
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! |
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! Ouverture du fichier |
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! |
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ierr = NF_OPEN ('limit.nc', NF_NOWRITE,nid) |
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if (ierr.NE.NF_NOERR) then |
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abort_message & |
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= 'Pb d''ouverture du fichier de conditions aux limites' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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! |
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! La tranche de donnees a lire: |
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! |
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start(1) = 1 |
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start(2) = jour |
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epais(1) = klon |
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epais(2) = 1 |
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! |
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if (newlmt) then |
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! |
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! Fraction "ocean" |
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! |
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ierr = NF_INQ_VARID(nid, 'FOCE', nvarid) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Le champ <FOCE> est absent' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_oce)) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Lecture echouee pour <FOCE>' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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! |
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! Fraction "glace de mer" |
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! |
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ierr = NF_INQ_VARID(nid, 'FSIC', nvarid) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Le champ <FSIC> est absent' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_sic)) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Lecture echouee pour <FSIC>' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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! |
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! Fraction "terre" |
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! |
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ierr = NF_INQ_VARID(nid, 'FTER', nvarid) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Le champ <FTER> est absent' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_ter)) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Lecture echouee pour <FTER>' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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! |
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! Fraction "glacier terre" |
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! |
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ierr = NF_INQ_VARID(nid, 'FLIC', nvarid) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Le champ <FLIC> est absent' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais,pct_tmp(1,is_lic)) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Lecture echouee pour <FLIC>' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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! |
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else ! on en est toujours a rnatur |
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! |
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ierr = NF_INQ_VARID(nid, 'NAT', nvarid) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Le champ <NAT> est absent' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, nat_lu) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Lecture echouee pour <NAT>' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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! |
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! Remplissage des fractions de surface |
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! nat = 0, 1, 2, 3 pour ocean, terre, glacier, seaice |
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! |
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pct_tmp = 0.0 |
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do ii = 1, klon |
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pct_tmp(ii,nint(nat_lu(ii)) + 1) = 1. |
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enddo |
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! |
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! On se retrouve avec ocean en 1 et terre en 2 alors qu'on veut le contraire |
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! |
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pctsrf_new = pct_tmp |
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pctsrf_new (:,2)= pct_tmp (:,1) |
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pctsrf_new (:,1)= pct_tmp (:,2) |
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pct_tmp = pctsrf_new |
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endif ! fin test sur newlmt |
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! |
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! Lecture SST |
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! |
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ierr = NF_INQ_VARID(nid, 'SST', nvarid) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Le champ <SST> est absent' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, sst_lu) |
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if (ierr /= NF_NOERR) then |
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abort_message = 'Lecture echouee pour <SST>' |
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call abort_gcm(modname,abort_message,1) |
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endif |
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! |
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! Fin de lecture |
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! |
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ierr = NF_CLOSE(nid) |
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deja_lu = .true. |
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jour_lu = jour |
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endif |
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! |
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! Recopie des variables dans les champs de sortie |
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! |
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lmt_sst = 999999999. |
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do ii = 1, knon |
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lmt_sst(ii) = sst_lu(knindex(ii)) |
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enddo |
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pctsrf_new(:,is_oce) = pct_tmp(:,is_oce) |
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pctsrf_new(:,is_sic) = pct_tmp(:,is_sic) |
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END SUBROUTINE interfoce_lim |
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!************************ |
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SUBROUTINE interfsur_lim(itime, dtime, jour, & |
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& klon, nisurf, knon, knindex, & |
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& debut, & |
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& lmt_alb, lmt_rug) |
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|
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! Cette routine sert d'interface entre le modèle atmosphérique et |
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! un fichier de conditions aux limites. |
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! |
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! L. Fairhead 02/2000 |
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! |
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! input: |
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! itime numero du pas de temps courant |
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! dtime pas de temps de la physique (en s) |
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|
! jour jour a lire dans l'annee |
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! nisurf index de la surface a traiter (1 = sol continental) |
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! knon nombre de points dans le domaine a traiter |
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! knindex index des points de la surface a traiter |
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! klon taille de la grille |
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! debut logical: 1er appel a la physique (initialisation) |
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! |
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! output: |
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! lmt_sst SST lues dans le fichier de CL |
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! lmt_alb Albedo lu |
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! lmt_rug longueur de rugosité lue |
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! pctsrf_new sous-maille fractionnelle |
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! |
|
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|
|
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use abort_gcm_m, only: abort_gcm |
|
|
|
|
|
! Parametres d'entree |
|
|
integer, intent(IN) :: itime |
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|
real , intent(IN) :: dtime |
|
|
integer, intent(IN) :: jour |
|
|
integer, intent(IN) :: nisurf |
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integer, intent(IN) :: knon |
|
|
integer, intent(IN) :: klon |
|
|
integer, dimension(klon), intent(in) :: knindex |
|
|
logical, intent(IN) :: debut |
|
|
|
|
|
! Parametres de sortie |
|
|
real, intent(out), dimension(klon) :: lmt_alb |
|
|
real, intent(out), dimension(klon) :: lmt_rug |
|
|
|
|
|
! Variables locales |
|
|
integer :: ii |
|
|
integer,save :: lmt_pas ! frequence de lecture des conditions limites |
|
|
! (en pas de physique) |
|
|
logical,save :: deja_lu_sur! pour indiquer que le jour a lire a deja |
|
|
! lu pour une surface precedente |
|
|
integer,save :: jour_lu_sur |
|
|
integer :: ierr |
|
|
character (len = 20) :: modname = 'interfsur_lim' |
|
|
character (len = 80) :: abort_message |
|
|
logical,save :: newlmt = .false. |
|
|
logical,save :: check = .false. |
|
|
! Champs lus dans le fichier de CL |
|
|
real, allocatable , save, dimension(:) :: alb_lu, rug_lu |
|
|
! |
|
|
! quelques variables pour netcdf |
|
|
! |
|
|
include "netcdf.inc" |
|
|
integer ,save :: nid, nvarid |
|
|
integer, dimension(2),save :: start, epais |
|
|
! |
|
|
! Fin déclaration |
|
|
! |
|
|
|
|
|
if (debut) then |
|
|
lmt_pas = nint(86400./dtime * 1.0) ! pour une lecture une fois par jour |
|
|
jour_lu_sur = jour - 1 |
|
|
allocate(alb_lu(klon)) |
|
|
allocate(rug_lu(klon)) |
|
|
endif |
|
|
|
|
|
if ((jour - jour_lu_sur) /= 0) deja_lu_sur = .false. |
|
|
|
|
|
if (check) write(*,*)modname,':: jour_lu_sur, deja_lu_sur', jour_lu_sur, & |
|
|
deja_lu_sur |
|
|
if (check) write(*,*)modname,':: itime, lmt_pas', itime, lmt_pas |
|
|
|
|
|
! Tester d'abord si c'est le moment de lire le fichier |
|
|
if (mod(itime-1, lmt_pas) == 0 .and. .not. deja_lu_sur) then |
|
|
! |
|
|
! Ouverture du fichier |
|
|
! |
|
|
ierr = NF_OPEN ('limit.nc', NF_NOWRITE,nid) |
|
|
if (ierr.NE.NF_NOERR) then |
|
|
abort_message & |
|
|
= 'Pb d''ouverture du fichier de conditions aux limites' |
|
|
call abort_gcm(modname,abort_message,1) |
|
|
endif |
|
|
! |
|
|
! La tranche de donnees a lire: |
|
|
|
|
|
start(1) = 1 |
|
|
start(2) = jour |
|
|
epais(1) = klon |
|
|
epais(2) = 1 |
|
|
! |
|
|
! Lecture Albedo |
|
|
! |
|
|
ierr = NF_INQ_VARID(nid, 'ALB', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <ALB> est absent' |
|
|
call abort_gcm(modname,abort_message,1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, alb_lu) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <ALB>' |
|
|
call abort_gcm(modname,abort_message,1) |
|
|
endif |
|
|
! |
|
|
! Lecture rugosité |
|
|
! |
|
|
ierr = NF_INQ_VARID(nid, 'RUG', nvarid) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Le champ <RUG> est absent' |
|
|
call abort_gcm(modname,abort_message,1) |
|
|
endif |
|
|
ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, rug_lu) |
|
|
if (ierr /= NF_NOERR) then |
|
|
abort_message = 'Lecture echouee pour <RUG>' |
|
|
call abort_gcm(modname,abort_message,1) |
|
|
endif |
|
|
|
|
|
! |
|
|
! Fin de lecture |
|
|
! |
|
|
ierr = NF_CLOSE(nid) |
|
|
deja_lu_sur = .true. |
|
|
jour_lu_sur = jour |
|
|
endif |
|
|
! |
|
|
! Recopie des variables dans les champs de sortie |
|
|
! |
|
|
!!$ lmt_alb(:) = 0.0 |
|
|
!!$ lmt_rug(:) = 0.0 |
|
|
lmt_alb(:) = 999999. |
|
|
lmt_rug(:) = 999999. |
|
|
DO ii = 1, knon |
|
|
lmt_alb(ii) = alb_lu(knindex(ii)) |
|
|
lmt_rug(ii) = rug_lu(knindex(ii)) |
|
|
enddo |
|
|
|
|
|
END SUBROUTINE interfsur_lim |
|
|
|
|
|
!************************ |
|
|
|
|
|
SUBROUTINE calcul_fluxs( klon, knon, nisurf, dtime, & |
|
|
& tsurf, p1lay, cal, beta, coef1lay, ps, & |
|
|
& precip_rain, precip_snow, snow, qsurf, & |
|
|
& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, & |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
|
|
|
|
|
! Cette routine calcule les fluxs en h et q a l'interface et eventuellement |
|
|
! une temperature de surface (au cas ou ok_veget = false) |
|
|
! |
|
|
! L. Fairhead 4/2000 |
|
|
! |
|
|
! input: |
|
|
! knon nombre de points a traiter |
|
|
! nisurf surface a traiter |
|
|
! tsurf temperature de surface |
|
|
! p1lay pression 1er niveau (milieu de couche) |
|
|
! cal capacite calorifique du sol |
|
|
! beta evap reelle |
|
|
! coef1lay coefficient d'echange |
|
|
! ps pression au sol |
|
|
! precip_rain precipitations liquides |
|
|
! precip_snow precipitations solides |
|
|
! snow champs hauteur de neige |
|
|
! runoff runoff en cas de trop plein |
|
|
! petAcoef coeff. A de la resolution de la CL pour t |
|
|
! peqAcoef coeff. A de la resolution de la CL pour q |
|
|
! petBcoef coeff. B de la resolution de la CL pour t |
|
|
! peqBcoef coeff. B de la resolution de la CL pour q |
|
|
! radsol rayonnement net aus sol (LW + SW) |
|
|
! dif_grnd coeff. diffusion vers le sol profond |
|
|
! |
|
|
! output: |
|
|
! tsurf_new temperature au sol |
|
|
! qsurf humidite de l'air au dessus du sol |
|
|
! fluxsens flux de chaleur sensible |
|
|
! fluxlat flux de chaleur latente |
|
|
! dflux_s derivee du flux de chaleur sensible / Ts |
|
|
! dflux_l derivee du flux de chaleur latente / Ts |
|
|
! |
|
|
|
|
|
use indicesol |
|
|
use abort_gcm_m, only: abort_gcm |
|
|
use yoethf |
|
|
use fcttre, only: thermcep, foeew, qsats, qsatl, foede, dqsats, dqsatl |
|
|
use YOMCST |
|
|
|
|
|
! Parametres d'entree |
|
|
integer, intent(IN) :: knon, nisurf, klon |
|
|
real , intent(IN) :: dtime |
|
|
real, dimension(klon), intent(IN) :: petAcoef, peqAcoef |
|
|
real, dimension(klon), intent(IN) :: petBcoef, peqBcoef |
|
|
real, dimension(klon), intent(IN) :: ps, q1lay |
|
|
real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay |
|
|
real, dimension(klon), intent(IN) :: precip_rain, precip_snow |
|
|
real, dimension(klon), intent(IN) :: radsol, dif_grnd |
|
|
real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay |
|
|
real, dimension(klon), intent(INOUT) :: snow, qsurf |
|
|
|
|
|
! Parametres sorties |
|
|
real, dimension(klon), intent(OUT):: tsurf_new, evap, fluxsens, fluxlat |
|
|
real, dimension(klon), intent(OUT):: dflux_s, dflux_l |
|
|
|
|
|
! Variables locales |
|
|
integer :: i |
|
|
real, dimension(klon) :: zx_mh, zx_nh, zx_oh |
|
|
real, dimension(klon) :: zx_mq, zx_nq, zx_oq |
|
|
real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef |
|
|
real, dimension(klon) :: zx_sl, zx_k1 |
|
|
real, dimension(klon) :: zx_q_0 , d_ts |
|
|
real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh |
|
|
real :: bilan_f, fq_fonte |
|
|
REAL :: subli, fsno |
|
|
REAL :: qsat_new, q1_new |
|
|
real, parameter :: t_grnd = 271.35, t_coup = 273.15 |
|
|
!! PB temporaire en attendant mieux pour le modele de neige |
|
|
REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15) |
|
|
! |
|
|
logical, save :: check = .false. |
|
|
character (len = 20) :: modname = 'calcul_fluxs' |
|
|
logical, save :: fonte_neige = .false. |
|
|
real, save :: max_eau_sol = 150.0 |
|
|
character (len = 80) :: abort_message |
|
|
logical,save :: first = .true.,second=.false. |
|
|
|
|
|
if (check) write(*,*)'Entree ', modname,' surface = ',nisurf |
|
|
|
|
|
IF (check) THEN |
|
|
WRITE(*,*)' radsol (min, max)' & |
|
|
& , MINVAL(radsol(1:knon)), MAXVAL(radsol(1:knon)) |
|
|
!!CALL flush(6) |
|
|
ENDIF |
|
|
|
|
|
if (size(coastalflow) /= knon .AND. nisurf == is_ter) then |
|
|
write(*,*)'Bizarre, le nombre de points continentaux' |
|
|
write(*,*)'a change entre deux appels. J''arrete ...' |
|
|
abort_message='Pb run_off' |
|
|
call abort_gcm(modname,abort_message,1) |
|
|
endif |
|
|
! |
|
|
! Traitement neige et humidite du sol |
|
|
! |
|
|
!!$ WRITE(*,*)'test calcul_flux, surface ', nisurf |
|
|
!!PB test |
|
|
!!$ if (nisurf == is_oce) then |
|
|
!!$ snow = 0. |
|
|
!!$ qsol = max_eau_sol |
|
|
!!$ else |
|
|
!!$ where (precip_snow > 0.) snow = snow + (precip_snow * dtime) |
|
|
!!$ where (snow > epsilon(snow)) snow = max(0.0, snow - (evap * dtime)) |
|
|
!!$! snow = max(0.0, snow + (precip_snow - evap) * dtime) |
|
|
!!$ where (precip_rain > 0.) qsol = qsol + (precip_rain - evap) * dtime |
|
|
!!$ endif |
|
|
!!$ IF (nisurf /= is_ter) qsol = max_eau_sol |
|
|
|
|
|
! |
|
|
! Initialisation |
|
|
! |
|
|
evap = 0. |
|
|
fluxsens=0. |
|
|
fluxlat=0. |
|
|
dflux_s = 0. |
|
|
dflux_l = 0. |
|
|
! |
|
|
! zx_qs = qsat en kg/kg |
|
|
! |
|
|
DO i = 1, knon |
|
|
zx_pkh(i) = (ps(i)/ps(i))**RKAPPA |
|
|
IF (thermcep) THEN |
|
|
zdelta=MAX(0.,SIGN(1.,rtt-tsurf(i))) |
|
|
zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
|
|
zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i)) |
|
|
zx_qs= r2es * FOEEW(tsurf(i),zdelta)/ps(i) |
|
|
zx_qs=MIN(0.5,zx_qs) |
|
|
zcor=1./(1.-retv*zx_qs) |
|
|
zx_qs=zx_qs*zcor |
|
|
zx_dq_s_dh = FOEDE(tsurf(i),zdelta,zcvm5,zx_qs,zcor) & |
|
|
& /RLVTT / zx_pkh(i) |
|
|
ELSE |
|
|
IF (tsurf(i).LT.t_coup) THEN |
|
|
zx_qs = qsats(tsurf(i)) / ps(i) |
|
|
zx_dq_s_dh = dqsats(tsurf(i),zx_qs)/RLVTT & |
|
|
& / zx_pkh(i) |
|
|
ELSE |
|
|
zx_qs = qsatl(tsurf(i)) / ps(i) |
|
|
zx_dq_s_dh = dqsatl(tsurf(i),zx_qs)/RLVTT & |
|
|
& / zx_pkh(i) |
|
|
ENDIF |
|
|
ENDIF |
|
|
zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh |
|
|
zx_qsat(i) = zx_qs |
|
|
zx_coef(i) = coef1lay(i) & |
|
|
& * (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) & |
|
|
& * p1lay(i)/(RD*t1lay(i)) |
|
|
|
|
|
ENDDO |
|
|
|
|
|
! === Calcul de la temperature de surface === |
|
|
! |
|
|
! zx_sl = chaleur latente d'evaporation ou de sublimation |
|
|
! |
|
|
do i = 1, knon |
|
|
zx_sl(i) = RLVTT |
|
|
if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT |
|
|
zx_k1(i) = zx_coef(i) |
|
|
enddo |
|
|
|
|
|
do i = 1, knon |
|
|
! Q |
|
|
zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime) |
|
|
zx_mq(i) = beta(i) * zx_k1(i) * & |
|
|
& (peqAcoef(i) - zx_qsat(i) & |
|
|
& + zx_dq_s_dt(i) * tsurf(i)) & |
|
|
& / zx_oq(i) |
|
|
zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) & |
|
|
& / zx_oq(i) |
|
|
|
|
|
! H |
|
|
zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime) |
|
|
zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i) |
|
|
zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i) |
|
|
|
|
|
! Tsurface |
|
|
tsurf_new(i) = (tsurf(i) + cal(i)/(RCPD * zx_pkh(i)) * dtime * & |
|
|
& (radsol(i) + zx_mh(i) + zx_sl(i) * zx_mq(i)) & |
|
|
& + dif_grnd(i) * t_grnd * dtime)/ & |
|
|
& ( 1. - dtime * cal(i)/(RCPD * zx_pkh(i)) * ( & |
|
|
& zx_nh(i) + zx_sl(i) * zx_nq(i)) & |
|
|
& + dtime * dif_grnd(i)) |
|
|
|
|
|
! |
|
|
! Y'a-t-il fonte de neige? |
|
|
! |
|
|
! fonte_neige = (nisurf /= is_oce) .AND. & |
|
|
! & (snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) & |
|
|
! & .AND. (tsurf_new(i) >= RTT) |
|
|
! if (fonte_neige) tsurf_new(i) = RTT |
|
|
d_ts(i) = tsurf_new(i) - tsurf(i) |
|
|
! zx_h_ts(i) = tsurf_new(i) * RCPD * zx_pkh(i) |
|
|
! zx_q_0(i) = zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) |
|
|
!== flux_q est le flux de vapeur d'eau: kg/(m**2 s) positive vers bas |
|
|
!== flux_t est le flux de cpt (energie sensible): j/(m**2 s) |
|
|
evap(i) = - zx_mq(i) - zx_nq(i) * tsurf_new(i) |
|
|
fluxlat(i) = - evap(i) * zx_sl(i) |
|
|
fluxsens(i) = zx_mh(i) + zx_nh(i) * tsurf_new(i) |
|
|
! Derives des flux dF/dTs (W m-2 K-1): |
|
|
dflux_s(i) = zx_nh(i) |
|
|
dflux_l(i) = (zx_sl(i) * zx_nq(i)) |
|
|
! Nouvelle valeure de l'humidite au dessus du sol |
|
|
qsat_new=zx_qsat(i) + zx_dq_s_dt(i) * d_ts(i) |
|
|
q1_new = peqAcoef(i) - peqBcoef(i)*evap(i)*dtime |
|
|
qsurf(i)=q1_new*(1.-beta(i)) + beta(i)*qsat_new |
|
|
ENDDO |
|
|
|
|
|
END SUBROUTINE calcul_fluxs |
|
|
|
|
|
!************************ |
|
|
|
|
|
SUBROUTINE fonte_neige( klon, knon, nisurf, dtime, & |
|
|
& tsurf, p1lay, cal, beta, coef1lay, ps, & |
|
|
& precip_rain, precip_snow, snow, qsol, & |
|
|
& radsol, dif_grnd, t1lay, q1lay, u1lay, v1lay, & |
|
|
& petAcoef, peqAcoef, petBcoef, peqBcoef, & |
|
|
& tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
|
|
& fqcalving,ffonte,run_off_lic_0) |
|
|
|
|
|
! Routine de traitement de la fonte de la neige dans le cas du traitement |
|
|
! de sol simplifié |
|
|
! |
|
|
! LF 03/2001 |
|
|
! input: |
|
|
! knon nombre de points a traiter |
|
|
! nisurf surface a traiter |
|
|
! tsurf temperature de surface |
|
|
! p1lay pression 1er niveau (milieu de couche) |
|
|
! cal capacite calorifique du sol |
|
|
! beta evap reelle |
|
|
! coef1lay coefficient d'echange |
|
|
! ps pression au sol |
|
|
! precip_rain precipitations liquides |
|
|
! precip_snow precipitations solides |
|
|
! snow champs hauteur de neige |
|
|
! qsol hauteur d'eau contenu dans le sol |
|
|
! runoff runoff en cas de trop plein |
|
|
! petAcoef coeff. A de la resolution de la CL pour t |
|
|
! peqAcoef coeff. A de la resolution de la CL pour q |
|
|
! petBcoef coeff. B de la resolution de la CL pour t |
|
|
! peqBcoef coeff. B de la resolution de la CL pour q |
|
|
! radsol rayonnement net aus sol (LW + SW) |
|
|
! dif_grnd coeff. diffusion vers le sol profond |
|
|
! |
|
|
! output: |
|
|
! tsurf_new temperature au sol |
|
|
! fluxsens flux de chaleur sensible |
|
|
! fluxlat flux de chaleur latente |
|
|
! dflux_s derivee du flux de chaleur sensible / Ts |
|
|
! dflux_l derivee du flux de chaleur latente / Ts |
|
|
! in/out: |
|
|
! run_off_lic_0 run off glacier du pas de temps précedent |
|
|
! |
|
|
|
|
|
use indicesol |
|
|
use YOMCST |
|
|
use yoethf |
|
|
use fcttre |
|
|
!IM cf JLD |
|
| 11 |
|
|
| 12 |
! Parametres d'entree |
REAL, save :: tau_calv |
| 13 |
integer, intent(IN) :: knon, nisurf, klon |
! temps de relaxation pour la fonte des glaciers, en jours |
|
real , intent(IN) :: dtime |
|
|
real, dimension(klon), intent(IN) :: petAcoef, peqAcoef |
|
|
real, dimension(klon), intent(IN) :: petBcoef, peqBcoef |
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real, dimension(klon), intent(IN) :: ps, q1lay |
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real, dimension(klon), intent(IN) :: tsurf, p1lay, cal, beta, coef1lay |
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real, dimension(klon), intent(IN) :: precip_rain, precip_snow |
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real, dimension(klon), intent(IN) :: radsol, dif_grnd |
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real, dimension(klon), intent(IN) :: t1lay, u1lay, v1lay |
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real, dimension(klon), intent(INOUT) :: snow, qsol |
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| 14 |
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| 15 |
! Parametres sorties |
contains |
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real, dimension(klon), intent(INOUT):: tsurf_new, evap, fluxsens, fluxlat |
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real, dimension(klon), intent(INOUT):: dflux_s, dflux_l |
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! Flux thermique utiliser pour fondre la neige |
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real, dimension(klon), intent(INOUT):: ffonte |
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! Flux d'eau "perdue" par la surface et necessaire pour que limiter la |
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! hauteur de neige, en kg/m2/s |
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real, dimension(klon), intent(INOUT):: fqcalving |
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real, dimension(klon), intent(INOUT):: run_off_lic_0 |
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! Variables locales |
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! Masse maximum de neige (kg/m2). Au dessus de ce seuil, la neige |
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! en exces "s'ecoule" (calving) |
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! real, parameter :: snow_max=1. |
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!IM cf JLD/GK |
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real, parameter :: snow_max=3000. |
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integer :: i |
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real, dimension(klon) :: zx_mh, zx_nh, zx_oh |
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real, dimension(klon) :: zx_mq, zx_nq, zx_oq |
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real, dimension(klon) :: zx_pkh, zx_dq_s_dt, zx_qsat, zx_coef |
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real, dimension(klon) :: zx_sl, zx_k1 |
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real, dimension(klon) :: zx_q_0 , d_ts |
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real :: zdelta, zcvm5, zx_qs, zcor, zx_dq_s_dh |
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real :: bilan_f, fq_fonte |
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REAL :: subli, fsno |
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REAL, DIMENSION(klon) :: bil_eau_s, snow_evap |
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real, parameter :: t_grnd = 271.35, t_coup = 273.15 |
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!! PB temporaire en attendant mieux pour le modele de neige |
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! REAL, parameter :: chasno = RLMLT/(2.3867E+06*0.15) |
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REAL, parameter :: chasno = 3.334E+05/(2.3867E+06*0.15) |
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!IM cf JLD/ GKtest |
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REAL, parameter :: chaice = 3.334E+05/(2.3867E+06*0.15) |
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! fin GKtest |
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! |
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logical, save :: check = .FALSE. |
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character (len = 20) :: modname = 'fonte_neige' |
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logical, save :: neige_fond = .false. |
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real, save :: max_eau_sol = 150.0 |
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character (len = 80) :: abort_message |
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logical,save :: first = .true.,second=.false. |
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real :: coeff_rel |
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| 16 |
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| 17 |
if (check) write(*,*)'Entree ', modname,' surface = ',nisurf |
subroutine conf_interface |
| 18 |
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| 19 |
! Initialisations |
! From phylmd/conf_phys.F90, version 1.7 2005/07/05 07:21:23 |
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coeff_rel = dtime/(tau_calv * rday) |
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bil_eau_s(:) = 0. |
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DO i = 1, knon |
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zx_pkh(i) = (ps(i)/ps(i))**RKAPPA |
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IF (thermcep) THEN |
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zdelta=MAX(0.,SIGN(1.,rtt-tsurf(i))) |
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zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
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zcvm5 = zcvm5 / RCPD / (1.0+RVTMP2*q1lay(i)) |
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zx_qs= r2es * FOEEW(tsurf(i),zdelta)/ps(i) |
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zx_qs=MIN(0.5,zx_qs) |
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zcor=1./(1.-retv*zx_qs) |
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zx_qs=zx_qs*zcor |
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zx_dq_s_dh = FOEDE(tsurf(i),zdelta,zcvm5,zx_qs,zcor) & |
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& /RLVTT / zx_pkh(i) |
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ELSE |
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IF (tsurf(i).LT.t_coup) THEN |
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zx_qs = qsats(tsurf(i)) / ps(i) |
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zx_dq_s_dh = dqsats(tsurf(i),zx_qs)/RLVTT & |
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& / zx_pkh(i) |
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ELSE |
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zx_qs = qsatl(tsurf(i)) / ps(i) |
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zx_dq_s_dh = dqsatl(tsurf(i),zx_qs)/RLVTT & |
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& / zx_pkh(i) |
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ENDIF |
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ENDIF |
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zx_dq_s_dt(i) = RCPD * zx_pkh(i) * zx_dq_s_dh |
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zx_qsat(i) = zx_qs |
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zx_coef(i) = coef1lay(i) & |
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& * (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) & |
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& * p1lay(i)/(RD*t1lay(i)) |
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ENDDO |
|
| 20 |
|
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| 21 |
! === Calcul de la temperature de surface === |
! Configuration de l'interace atm/surf |
|
! |
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! zx_sl = chaleur latente d'evaporation ou de sublimation |
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! |
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do i = 1, knon |
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zx_sl(i) = RLVTT |
|
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if (tsurf(i) .LT. RTT) zx_sl(i) = RLSTT |
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zx_k1(i) = zx_coef(i) |
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enddo |
|
| 22 |
|
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| 23 |
do i = 1, knon |
use unit_nml_m, only: unit_nml |
|
! Q |
|
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zx_oq(i) = 1. - (beta(i) * zx_k1(i) * peqBcoef(i) * dtime) |
|
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zx_mq(i) = beta(i) * zx_k1(i) * & |
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& (peqAcoef(i) - zx_qsat(i) & |
|
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& + zx_dq_s_dt(i) * tsurf(i)) & |
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& / zx_oq(i) |
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zx_nq(i) = beta(i) * zx_k1(i) * (-1. * zx_dq_s_dt(i)) & |
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& / zx_oq(i) |
|
| 24 |
|
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| 25 |
! H |
namelist /conf_interface_nml/ tau_calv |
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zx_oh(i) = 1. - (zx_k1(i) * petBcoef(i) * dtime) |
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zx_mh(i) = zx_k1(i) * petAcoef(i) / zx_oh(i) |
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zx_nh(i) = - (zx_k1(i) * RCPD * zx_pkh(i))/ zx_oh(i) |
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enddo |
|
| 26 |
|
|
| 27 |
WHERE (precip_snow > 0.) snow = snow + (precip_snow * dtime) |
!------------------------------------------------------ |
|
snow_evap = 0. |
|
|
WHERE (evap > 0. ) |
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snow_evap = MIN (snow / dtime, evap) |
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snow = snow - snow_evap * dtime |
|
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snow = MAX(0.0, snow) |
|
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end where |
|
| 28 |
|
|
| 29 |
! bil_eau_s = bil_eau_s + (precip_rain * dtime) - (evap - snow_evap) * dtime |
tau_calv = 360.*10. |
|
bil_eau_s = (precip_rain * dtime) - (evap - snow_evap) * dtime |
|
| 30 |
|
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| 31 |
! |
print *, "Enter namelist 'conf_interface_nml'." |
| 32 |
! Y'a-t-il fonte de neige? |
read(unit=*, nml=conf_interface_nml) |
| 33 |
! |
write(unit_nml, nml=conf_interface_nml) |
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ffonte=0. |
|
|
do i = 1, knon |
|
|
neige_fond = ((snow(i) > epsfra .OR. nisurf == is_sic .OR. nisurf == is_lic) & |
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& .AND. tsurf_new(i) >= RTT) |
|
|
if (neige_fond) then |
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fq_fonte = MIN( MAX((tsurf_new(i)-RTT )/chasno,0.0),snow(i)) |
|
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ffonte(i) = fq_fonte * RLMLT/dtime |
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snow(i) = max(0., snow(i) - fq_fonte) |
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bil_eau_s(i) = bil_eau_s(i) + fq_fonte |
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tsurf_new(i) = tsurf_new(i) - fq_fonte * chasno |
|
|
!IM cf JLD OK |
|
|
!IM cf JLD/ GKtest fonte aussi pour la glace |
|
|
IF (nisurf == is_sic .OR. nisurf == is_lic ) THEN |
|
|
fq_fonte = MAX((tsurf_new(i)-RTT )/chaice,0.0) |
|
|
ffonte(i) = ffonte(i) + fq_fonte * RLMLT/dtime |
|
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bil_eau_s(i) = bil_eau_s(i) + fq_fonte |
|
|
tsurf_new(i) = RTT |
|
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ENDIF |
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d_ts(i) = tsurf_new(i) - tsurf(i) |
|
|
endif |
|
|
! |
|
|
! s'il y a une hauteur trop importante de neige, elle s'coule |
|
|
fqcalving(i) = max(0., snow(i) - snow_max)/dtime |
|
|
snow(i)=min(snow(i),snow_max) |
|
|
! |
|
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IF (nisurf == is_ter) then |
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qsol(i) = qsol(i) + bil_eau_s(i) |
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run_off(i) = run_off(i) + MAX(qsol(i) - max_eau_sol, 0.0) |
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qsol(i) = MIN(qsol(i), max_eau_sol) |
|
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else if (nisurf == is_lic) then |
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run_off_lic(i) = (coeff_rel * fqcalving(i)) + & |
|
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& (1. - coeff_rel) * run_off_lic_0(i) |
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run_off_lic_0(i) = run_off_lic(i) |
|
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run_off_lic(i) = run_off_lic(i) + bil_eau_s(i)/dtime |
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endif |
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enddo |
|
| 34 |
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| 35 |
END SUBROUTINE fonte_neige |
end subroutine conf_interface |
| 36 |
|
|
| 37 |
END MODULE interface_surf |
END MODULE interface_surf |
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