[781] | 1 | ! |
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| 2 | ! $Header$ |
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| 3 | ! |
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| 4 | MODULE surf_land_bucket_mod |
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| 5 | ! |
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| 6 | ! Surface land bucket module |
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| 7 | ! |
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| 8 | ! This module is used when no external land model is choosen. |
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| 9 | ! |
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| 10 | USE fonte_neige_mod |
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| 11 | USE calcul_fluxs_mod |
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| 12 | USE dimphy |
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| 13 | USE mod_grid_phy_lmdz |
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| 14 | USE mod_phys_lmdz_para |
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| 15 | |
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| 16 | IMPLICIT NONE |
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| 17 | |
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| 18 | CONTAINS |
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| 19 | |
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| 20 | SUBROUTINE surf_land_bucket(itime, jour, knon, knindex, debut, dtime,& |
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| 21 | tsurf, p1lay, tq_cdrag, precip_rain, precip_snow, temp_air, & |
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| 22 | spechum, petAcoef, peqAcoef, petBcoef, peqBcoef, ps, & |
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| 23 | u1_lay, v1_lay, rugoro, & |
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| 24 | radsol, snow, qsol, agesno, tsoil, & |
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| 25 | qsurf, z0_new, alblw, evap, fluxsens, fluxlat, & |
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| 26 | tsurf_new, alb_new, dflux_s, dflux_l) |
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| 27 | |
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| 28 | !**************************************************************************************** |
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| 29 | ! Bucket calculations for surface. |
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| 30 | ! |
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[793] | 31 | INCLUDE "clesphys.h" |
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| 32 | INCLUDE "indicesol.h" |
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[781] | 33 | INCLUDE "dimsoil.h" |
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[793] | 34 | INCLUDE "YOMCST.h" |
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[781] | 35 | |
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| 36 | ! Input variables |
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| 37 | !**************************************************************************************** |
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| 38 | INTEGER, INTENT(IN) :: itime, jour, knon |
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| 39 | INTEGER, DIMENSION(klon), INTENT(IN) :: knindex |
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| 40 | LOGICAL, INTENT(IN) :: debut |
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| 41 | REAL, INTENT(IN) :: dtime |
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| 42 | REAL, DIMENSION(klon), INTENT(IN) :: tsurf |
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| 43 | REAL, DIMENSION(klon), INTENT(IN) :: p1lay |
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| 44 | REAL, DIMENSION(klon), INTENT(IN) :: tq_cdrag |
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| 45 | REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow |
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| 46 | REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum |
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| 47 | REAL, DIMENSION(klon), INTENT(IN) :: petAcoef, peqAcoef |
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| 48 | REAL, DIMENSION(klon), INTENT(IN) :: petBcoef, peqBcoef |
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| 49 | REAL, DIMENSION(klon), INTENT(IN) :: ps |
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| 50 | REAL, DIMENSION(klon), INTENT(IN) :: u1_lay, v1_lay |
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| 51 | REAL, DIMENSION(klon), INTENT(IN) :: rugoro |
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| 52 | |
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| 53 | ! In/Output variables |
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| 54 | !**************************************************************************************** |
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| 55 | REAL, DIMENSION(klon), INTENT(INOUT) :: radsol |
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| 56 | REAL, DIMENSION(klon), INTENT(INOUT) :: snow, qsol |
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| 57 | REAL, DIMENSION(klon), INTENT(INOUT) :: agesno |
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| 58 | REAL, DIMENSION(klon, nsoilmx), INTENT(INOUT) :: tsoil |
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| 59 | |
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| 60 | ! Output variables |
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| 61 | !**************************************************************************************** |
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| 62 | REAL, DIMENSION(klon), INTENT(OUT) :: qsurf |
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| 63 | REAL, DIMENSION(klon), INTENT(OUT) :: z0_new |
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| 64 | REAL, DIMENSION(klon), INTENT(OUT) :: alblw |
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| 65 | REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat |
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| 66 | REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new, alb_new |
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| 67 | REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l |
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| 68 | |
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| 69 | ! Local variables |
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| 70 | !**************************************************************************************** |
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| 71 | REAL, DIMENSION(klon) :: soilcap, soilflux |
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| 72 | REAL, DIMENSION(klon) :: cal, beta, dif_grnd, capsol |
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| 73 | REAL, DIMENSION(klon) :: alb_neig |
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| 74 | REAL, DIMENSION(klon) :: zfra |
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| 75 | INTEGER :: i |
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| 76 | ! |
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| 77 | !**************************************************************************************** |
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| 78 | |
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| 79 | |
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| 80 | ! |
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| 81 | !* Read from limit.nc : albedo(alb_new), length of rugosity(z0_new) |
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| 82 | ! |
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| 83 | CALL interfsur_lim(itime, dtime, jour, & |
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| 84 | knon, knindex, debut, & |
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| 85 | alb_new, z0_new) |
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| 86 | |
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| 87 | ! |
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| 88 | !* Calcultaion of fluxes |
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| 89 | ! |
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| 90 | ! calculate constants |
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| 91 | CALL calbeta(dtime, is_ter, knon, snow, qsol, beta, capsol, dif_grnd) |
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| 92 | |
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| 93 | ! calculate temperature, heat capacity and conduction flux in soil |
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| 94 | IF (soil_model) THEN |
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| 95 | CALL soil(dtime, is_ter, knon, snow, tsurf, tsoil, soilcap, soilflux) |
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| 96 | DO i=1, knon |
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| 97 | cal(i) = RCPD / soilcap(i) |
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| 98 | radsol(i) = radsol(i) + soilflux(i) |
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| 99 | END DO |
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| 100 | ELSE |
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| 101 | cal(:) = RCPD * capsol(:) |
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| 102 | ENDIF |
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| 103 | |
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| 104 | CALL calcul_fluxs(knon, is_ter, dtime, & |
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| 105 | tsurf, p1lay, cal, beta, tq_cdrag, ps, & |
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| 106 | precip_rain, precip_snow, snow, qsurf, & |
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| 107 | radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, & |
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| 108 | petAcoef, peqAcoef, petBcoef, peqBcoef, & |
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| 109 | tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) |
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| 110 | |
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| 111 | ! |
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| 112 | !* Calculate snow height, run_off, age of snow |
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| 113 | ! |
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| 114 | CALL fonte_neige( knon, is_ter, knindex, dtime, & |
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| 115 | tsurf, precip_rain, precip_snow, & |
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| 116 | snow, qsol, tsurf_new, evap) |
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| 117 | ! |
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| 118 | !* Calculate the age of snow |
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| 119 | ! |
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| 120 | CALL albsno(klon,knon,dtime,agesno(:),alb_neig(:), precip_snow(:)) |
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| 121 | |
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| 122 | WHERE (snow(1 : knon) .LT. 0.0001) agesno(1 : knon) = 0. |
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| 123 | |
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| 124 | DO i=1, knon |
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| 125 | zfra(i) = MAX(0.0,MIN(1.0, snow(i)/(snow(i)+10.0))) |
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| 126 | alb_new(i) = alb_neig(i) *zfra(i) + alb_new(i)*(1.0-zfra(i)) |
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| 127 | END DO |
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| 128 | |
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| 129 | alblw(:) = 0.0 |
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| 130 | alblw(1:knon) = alb_new(1:knon) |
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| 131 | |
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| 132 | ! |
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| 133 | !* Calculate the rugosity |
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| 134 | ! |
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| 135 | z0_new = SQRT(z0_new**2+rugoro**2) |
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| 136 | |
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| 137 | ! |
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| 138 | !* End |
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| 139 | ! |
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| 140 | END SUBROUTINE surf_land_bucket |
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| 141 | ! |
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| 142 | !**************************************************************************************** |
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| 143 | ! |
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| 144 | SUBROUTINE interfsur_lim(itime, dtime, jour, & |
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| 145 | knon, knindex, debut, & |
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| 146 | lmt_alb_p, lmt_rug_p) |
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| 147 | |
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| 148 | ! Cette routine sert d'interface entre le modele atmospherique et un fichier |
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| 149 | ! de conditions aux limites |
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| 150 | ! |
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| 151 | ! L. Fairhead 02/2000 |
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| 152 | ! |
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| 153 | ! input: |
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| 154 | ! itime numero du pas de temps courant |
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| 155 | ! dtime pas de temps de la physique (en s) |
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| 156 | ! jour jour a lire dans l'annee |
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| 157 | ! knon nombre de points dans le domaine a traiter |
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| 158 | ! knindex index des points de la surface a traiter |
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| 159 | ! debut logical: 1er appel a la physique (initialisation) |
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| 160 | ! |
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| 161 | ! output: |
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| 162 | ! lmt_alb_p Albedo lu |
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| 163 | ! lmt_rug_p longueur de rugosite lue |
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| 164 | |
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| 165 | INCLUDE "netcdf.inc" |
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| 166 | |
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| 167 | ! Input variables |
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| 168 | !**************************************************************************************** |
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| 169 | INTEGER, INTENT(IN) :: itime |
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| 170 | REAL , INTENT(IN) :: dtime |
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| 171 | INTEGER, INTENT(IN) :: jour |
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| 172 | INTEGER, INTENT(IN) :: knon |
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| 173 | INTEGER, DIMENSION(klon_loc), INTENT(IN) :: knindex |
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| 174 | LOGICAL, INTENT(IN) :: debut |
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| 175 | |
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| 176 | ! Output variables |
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| 177 | !**************************************************************************************** |
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| 178 | REAL, INTENT(out), DIMENSION(klon_loc) :: lmt_alb_p |
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| 179 | REAL, INTENT(out), DIMENSION(klon_loc) :: lmt_rug_p |
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| 180 | |
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| 181 | ! Local variables with attribute SAVE |
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| 182 | !**************************************************************************************** |
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| 183 | INTEGER,SAVE :: lmt_pas ! frequence de lecture des conditions limites |
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| 184 | ! (en pas de physique) |
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| 185 | !$OMP THREADPRIVATE(lmt_pas) |
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| 186 | LOGICAL,SAVE :: deja_lu_sur ! pour indiquer que le jour a lire a deja |
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| 187 | ! lu pour une surface precedente |
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| 188 | !$OMP THREADPRIVATE(deja_lu_sur) |
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| 189 | INTEGER,SAVE :: jour_lu_sur |
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| 190 | !$OMP THREADPRIVATE(jour_lu_sur) |
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| 191 | CHARACTER (len = 20),SAVE :: fich ='limit.nc' |
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| 192 | !$OMP THREADPRIVATE(fich) |
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| 193 | LOGICAL,SAVE :: check = .FALSE. |
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| 194 | !$OMP THREADPRIVATE(check) |
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| 195 | ! Champs lus dans le fichier de CL |
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| 196 | REAL, ALLOCATABLE , SAVE, DIMENSION(:) :: alb_lu_p, rug_lu_p |
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| 197 | !$OMP THREADPRIVATE(alb_lu_p, rug_lu_p) |
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| 198 | |
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| 199 | ! quelques variables pour netcdf |
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| 200 | INTEGER ,SAVE :: nid, nvarid |
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| 201 | !$OMP THREADPRIVATE(nid, nvarid) |
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| 202 | INTEGER, DIMENSION(2),SAVE :: start, epais |
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| 203 | !$OMP THREADPRIVATE(start, epais) |
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| 204 | |
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| 205 | ! Other local variables |
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| 206 | !**************************************************************************************** |
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| 207 | INTEGER :: ii, ierr |
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| 208 | CHARACTER (len = 20) :: modname = 'interfsur_lim' |
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| 209 | CHARACTER (len = 80) :: abort_message |
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| 210 | REAL, DIMENSION(klon_glo) :: alb_lu |
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| 211 | REAL, DIMENSION(klon_glo) :: rug_lu |
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| 212 | |
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| 213 | ! |
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| 214 | ! End delaration |
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| 215 | !**************************************************************************************** |
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| 216 | |
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| 217 | IF (debut) THEN |
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| 218 | lmt_pas = NINT(86400./dtime * 1.0) ! pour une lecture une fois par jour |
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| 219 | jour_lu_sur = jour - 1 |
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| 220 | ALLOCATE(alb_lu_p(klon_loc)) |
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| 221 | ALLOCATE(rug_lu_p(klon_loc)) |
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| 222 | ENDIF |
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| 223 | |
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| 224 | IF ((jour - jour_lu_sur) /= 0) deja_lu_sur = .FALSE. |
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| 225 | |
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| 226 | IF (check) WRITE(*,*) modname,':: jour_lu_sur, deja_lu_sur', jour_lu_sur, deja_lu_sur |
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| 227 | IF (check) WRITE(*,*) modname,':: itime, lmt_pas', itime, lmt_pas |
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| 228 | IF (check) CALL flush(6) |
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| 229 | |
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| 230 | ! |
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| 231 | ! Tester d'abord si c'est le moment de lire le fichier |
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| 232 | ! |
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| 233 | IF (MOD(itime-1, lmt_pas) == 0 .AND. .NOT. deja_lu_sur) THEN |
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| 234 | |
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| 235 | ! |
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| 236 | ! Ouverture et lecture du fichier |
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| 237 | ! |
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| 238 | !$OMP MASTER |
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| 239 | IF (is_mpi_root) THEN |
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| 240 | fich = TRIM(fich) |
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| 241 | IF (check) WRITE(*,*)modname,' ouverture fichier ',fich |
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| 242 | IF (check) CALL flush(6) |
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| 243 | ierr = NF_OPEN (fich, NF_NOWRITE,nid) |
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| 244 | IF (ierr.NE.NF_NOERR) THEN |
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| 245 | abort_message = 'Pb d''ouverture du fichier de conditions aux limites' |
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| 246 | CALL abort_gcm(modname,abort_message,1) |
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| 247 | ENDIF |
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| 248 | ! |
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| 249 | ! La tranche de donnees a lire: |
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| 250 | start(1) = 1 |
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| 251 | start(2) = jour |
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| 252 | epais(1) = klon_glo |
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| 253 | epais(2) = 1 |
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| 254 | ! |
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| 255 | ! Lecture albedo |
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| 256 | ierr = NF_INQ_VARID(nid, 'ALB', nvarid) |
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| 257 | IF (ierr /= NF_NOERR) THEN |
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| 258 | abort_message = 'Le champ <ALB> est absent' |
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| 259 | CALL abort_gcm(modname,abort_message,1) |
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| 260 | ENDIF |
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| 261 | #ifdef NC_DOUBLE |
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| 262 | ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, alb_lu) |
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| 263 | #else |
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| 264 | ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, alb_lu) |
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| 265 | #endif |
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| 266 | IF (ierr /= NF_NOERR) THEN |
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| 267 | abort_message = 'Lecture echouee pour <ALB>' |
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| 268 | CALL abort_gcm(modname,abort_message,1) |
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| 269 | ENDIF |
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| 270 | ! |
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| 271 | ! Lecture rugosite! |
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| 272 | ierr = NF_INQ_VARID(nid, 'RUG', nvarid) |
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| 273 | IF (ierr /= NF_NOERR) THEN |
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| 274 | abort_message = 'Le champ <RUG> est absent' |
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| 275 | CALL abort_gcm(modname,abort_message,1) |
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| 276 | ENDIF |
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| 277 | #ifdef NC_DOUBLE |
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| 278 | ierr = NF_GET_VARA_DOUBLE(nid,nvarid,start,epais, rug_lu) |
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| 279 | #else |
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| 280 | ierr = NF_GET_VARA_REAL(nid,nvarid,start,epais, rug_lu) |
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| 281 | #endif |
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| 282 | IF (ierr /= NF_NOERR) THEN |
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| 283 | abort_message = 'Lecture echouee pour <RUG>' |
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| 284 | CALL abort_gcm(modname,abort_message,1) |
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| 285 | ENDIF |
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| 286 | |
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| 287 | ! |
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| 288 | ! Fin de lecture |
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| 289 | ierr = NF_CLOSE(nid) |
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| 290 | |
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| 291 | ENDIF ! is_mpi_root |
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| 292 | !$OMP END MASTER |
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| 293 | |
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| 294 | CALL Scatter(alb_lu,alb_lu_p) |
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| 295 | CALL Scatter(rug_lu,rug_lu_p) |
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| 296 | |
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| 297 | deja_lu_sur = .TRUE. |
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| 298 | jour_lu_sur = jour |
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| 299 | |
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| 300 | ENDIF |
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| 301 | |
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| 302 | ! |
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| 303 | ! Recopie des variables dans les champs de sortie |
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| 304 | ! |
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| 305 | lmt_alb_p(:) = 999999. |
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| 306 | lmt_rug_p(:) = 999999. |
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| 307 | DO ii = 1, knon |
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| 308 | lmt_alb_p(ii) = alb_lu_p(knindex(ii)) |
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| 309 | lmt_rug_p(ii) = rug_lu_p(knindex(ii)) |
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| 310 | ENDDO |
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| 311 | |
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| 312 | |
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| 313 | END SUBROUTINE interfsur_lim |
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| 314 | ! |
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| 315 | !**************************************************************************************** |
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| 316 | ! |
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| 317 | END MODULE surf_land_bucket_mod |
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