! MODULE surf_landice_mod IMPLICIT NONE CONTAINS ! !**************************************************************************************** ! SUBROUTINE surf_landice(itime, dtime, knon, knindex, & rlon, rlat, debut, lafin, & rmu0, lwdownm, albedo, pphi1, & swnet, lwnet, tsurf, p1lay, & cdragh, cdragm, precip_rain, precip_snow, temp_air, spechum, & AcoefH, AcoefQ, BcoefH, BcoefQ, & AcoefU, AcoefV, BcoefU, BcoefV, & ps, u1, v1, gustiness, rugoro, pctsrf, & snow, qsurf, qsol, agesno, & tsoil, z0m, z0h, SFRWL, alb_dir, alb_dif, evap, fluxsens, fluxlat, & tsurf_new, dflux_s, dflux_l, & slope, cloudf, & snowhgt, qsnow, to_ice, sissnow, & alb3, runoff, & flux_u1, flux_v1) USE dimphy USE surface_data, ONLY : type_ocean, calice, calsno, ok_snow USE fonte_neige_mod, ONLY : fonte_neige, run_off_lic USE cpl_mod, ONLY : cpl_send_landice_fields USE calcul_fluxs_mod USE phys_output_var_mod !FC USE ioipsl_getin_p_mod, ONLY : getin_p #ifdef CPP_SISVAT USE surf_sisvat_mod, ONLY : surf_sisvat #endif USE indice_sol_mod ! INCLUDE "indicesol.h" INCLUDE "dimsoil.h" INCLUDE "YOMCST.h" INCLUDE "clesphys.h" ! Input variables !**************************************************************************************** INTEGER, INTENT(IN) :: itime, knon INTEGER, DIMENSION(klon), INTENT(in) :: knindex REAL, INTENT(in) :: dtime REAL, DIMENSION(klon), INTENT(IN) :: swnet ! net shortwave radiance REAL, DIMENSION(klon), INTENT(IN) :: lwnet ! net longwave radiance REAL, DIMENSION(klon), INTENT(IN) :: tsurf REAL, DIMENSION(klon), INTENT(IN) :: p1lay REAL, DIMENSION(klon), INTENT(IN) :: cdragh, cdragm REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum REAL, DIMENSION(klon), INTENT(IN) :: AcoefH, AcoefQ REAL, DIMENSION(klon), INTENT(IN) :: BcoefH, BcoefQ REAL, DIMENSION(klon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV REAL, DIMENSION(klon), INTENT(IN) :: ps REAL, DIMENSION(klon), INTENT(IN) :: u1, v1, gustiness REAL, DIMENSION(klon), INTENT(IN) :: rugoro REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf LOGICAL, INTENT(IN) :: debut !true if first step LOGICAL, INTENT(IN) :: lafin !true if last step REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat REAL, DIMENSION(klon), INTENT(IN) :: rmu0 REAL, DIMENSION(klon), INTENT(IN) :: lwdownm !ylwdown REAL, DIMENSION(klon), INTENT(IN) :: albedo !mean albedo REAL, DIMENSION(klon), INTENT(IN) :: pphi1 REAL, DIMENSION(klon), INTENT(IN) :: slope !mean slope in grid box REAL, DIMENSION(klon), INTENT(IN) :: cloudf !total cloud fraction ! In/Output variables !**************************************************************************************** REAL, DIMENSION(klon), INTENT(INOUT) :: snow, qsol REAL, DIMENSION(klon), INTENT(INOUT) :: agesno REAL, DIMENSION(klon, nsoilmx), INTENT(INOUT) :: tsoil ! Output variables !**************************************************************************************** REAL, DIMENSION(klon), INTENT(OUT) :: qsurf REAL, DIMENSION(klon), INTENT(OUT) :: z0m, z0h !albedo SB >>> ! REAL, DIMENSION(klon), INTENT(OUT) :: alb1 ! new albedo in visible SW interval ! REAL, DIMENSION(klon), INTENT(OUT) :: alb2 ! new albedo in near IR interval REAL, DIMENSION(6), INTENT(IN) ::SFRWL REAL, DIMENSION(klon,nsw), INTENT(OUT) ::alb_dir,alb_dif !albedo SB <<< REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1, flux_v1 REAL, DIMENSION(klon), INTENT(OUT) :: alb3 REAL, DIMENSION(klon), INTENT(OUT) :: qsnow !column water in snow [kg/m2] REAL, DIMENSION(klon), INTENT(OUT) :: snowhgt !Snow height (m) REAL, DIMENSION(klon), INTENT(OUT) :: to_ice REAL, DIMENSION(klon), INTENT(OUT) :: sissnow REAL, DIMENSION(klon), INTENT(OUT) :: runoff !Land ice runoff ! Local variables !**************************************************************************************** REAL, DIMENSION(klon) :: soilcap, soilflux REAL, DIMENSION(klon) :: cal, beta, dif_grnd REAL, DIMENSION(klon) :: zfra, alb_neig REAL, DIMENSION(klon) :: radsol REAL, DIMENSION(klon) :: u0, v0, u1_lay, v1_lay INTEGER :: i,j REAL, DIMENSION(klon) :: emis_new !Emissivity REAL, DIMENSION(klon) :: swdown,lwdown REAL, DIMENSION(klon) :: precip_snow_adv, snow_adv !Snow Drift precip./advection REAL, DIMENSION(klon) :: bl_height, wind_velo !height boundary layer, wind spd REAL, DIMENSION(klon) :: dens_air, snow_cont_air !air density; snow content air REAL, DIMENSION(klon) :: alb_soil !albedo of underlying ice REAL, DIMENSION(klon) :: pexner !Exner potential REAL :: pref REAL, DIMENSION(klon,nsoilmx) :: tsoil0 !modfi CHARACTER (len = 20) :: modname = 'surf_landice' CHARACTER (len = 80) :: abort_message !albedo SB >>> real,dimension(klon) :: alb1,alb2 !albedo SB <<< ! End definition !**************************************************************************************** !FC !FC REAL,SAVE :: alb_vis_sno_lic !$OMP THREADPRIVATE(alb_vis_sno_lic) REAL,SAVE :: alb_nir_sno_lic !$OMP THREADPRIVATE(alb_nir_sno_lic) LOGICAL, SAVE :: firstcall = .TRUE. !$OMP THREADPRIVATE(firstcall) !FC IF (firstcall) THEN alb_vis_sno_lic=0.77 CALL getin_p('alb_vis_sno_lic',alb_vis_sno_lic) PRINT*, 'alb_vis_sno_lic',alb_vis_sno_lic alb_nir_sno_lic=0.77 CALL getin_p('alb_nir_sno_lic',alb_nir_sno_lic) PRINT*, 'alb_nir_sno_lic',alb_nir_sno_lic firstcall=.false. ENDIF ! ! Initialize output variables alb3(:) = 999999. alb2(:) = 999999. alb1(:) = 999999. runoff(:) = 0. !**************************************************************************************** ! Calculate total absorbed radiance at surface ! !**************************************************************************************** radsol(:) = 0.0 radsol(1:knon) = swnet(1:knon) + lwnet(1:knon) !**************************************************************************************** ! ok_snow = TRUE : prepare and call SISVAT snow model ! ok_snow = FALSE : soil_model, calcul_flux, fonte_neige, ... ! !**************************************************************************************** IF (ok_snow) THEN #ifdef CPP_SISVAT ! Prepare for calling SISVAT ! Calculate incoming flux for SW and LW interval: swdown, lwdown swdown(:) = 0.0 lwdown(:) = 0.0 DO i = 1, knon swdown(i) = swnet(i)/(1-albedo(i)) lwdown(i) = lwdownm(i) END DO ! Set constants and compute some input for SISVAT snow_adv(:) = 0. ! no snow blown in for now snow_cont_air(:) = 0. alb_soil(:) = albedo(:) pref = 100000. ! = 1000 hPa DO i = 1, knon wind_velo(i) = u1(i)**2 + v1(i)**2 wind_velo(i) = wind_velo(i)**0.5 pexner(i) = (p1lay(i)/pref)**(RD/RCPD) dens_air(i) = p1lay(i)/RD/temp_air(i) ! dry air density bl_height(i) = pphi1(i)/RG END DO !**************************************************************************************** ! CALL to SISVAT interface ! !**************************************************************************************** ! config: compute everything with SV but temperatures afterwards with soil/calculfluxs DO i = 1, knon tsoil0(i,:)=tsoil(i,:) END DO ! Martin PRINT*, 'on appelle surf_sisvat' ! Martin CALL surf_sisvat(knon, rlon, rlat, knindex, itime, dtime, debut, lafin, & rmu0, swdown, lwdown, pexner, ps, p1lay, & precip_rain, precip_snow, precip_snow_adv, snow_adv, & bl_height, wind_velo, temp_air, dens_air, spechum, tsurf, & rugoro, snow_cont_air, alb_soil, slope, cloudf, & radsol, qsol, tsoil0, snow, snowhgt, qsnow, to_ice,sissnow, agesno, & AcoefH, AcoefQ, BcoefH, BcoefQ, cdragh, & run_off_lic, evap, fluxsens, fluxlat, dflux_s, dflux_l, & tsurf_new, alb1, alb2, alb3, & emis_new, z0m, qsurf) z0h(1:knon)=z0m(1:knon) ! en attendant mieux ! Suppose zero surface speed u0(:) = 0.0 v0(:) = 0.0 ! The calculation of heat/water fluxes, otherwise done by "CALL calcul_fluxs" is ! integrated in SISVAT, using the same method. It can be found in "sisvat.f", in the ! subroutine "SISVAT_TS2". ! u0, v0=0., dif_grnd=0. and beta=1 are assumed there! CALL calcul_flux_wind(knon, dtime, & u0, v0, u1, v1, gustiness, cdragm, & AcoefU, AcoefV, BcoefU, BcoefV, & p1lay, temp_air, & flux_u1, flux_v1) #else abort_message='Pb de coherence: ok_snow = .true. mais CPP_SISVAT = .false.' CALL abort_physic(modname,abort_message,1) #endif ELSE ! ok_snow=FALSE !**************************************************************************************** ! Soil calculations ! !**************************************************************************************** IF (soil_model) THEN CALL soil(dtime, is_lic, 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 !**************************************************************************************** ! Calulate fluxes ! !**************************************************************************************** beta(:) = 1.0 dif_grnd(:) = 0.0 ! Suppose zero surface speed u0(:)=0.0 v0(:)=0.0 u1_lay(:) = u1(:) - u0(:) v1_lay(:) = v1(:) - v0(:) CALL calcul_fluxs(knon, is_lic, dtime, & tsurf, p1lay, cal, beta, cdragh, cdragh, ps, & precip_rain, precip_snow, snow, qsurf, & radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, gustiness, & 1.,AcoefH, AcoefQ, BcoefH, BcoefQ, & tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l) CALL calcul_flux_wind(knon, dtime, & u0, v0, u1, v1, gustiness, cdragm, & AcoefU, AcoefV, BcoefU, BcoefV, & p1lay, temp_air, & flux_u1, flux_v1) !**************************************************************************************** ! Calculate snow height, age, run-off,.. ! !**************************************************************************************** CALL fonte_neige( knon, is_lic, knindex, dtime, & tsurf, precip_rain, precip_snow, & snow, qsol, tsurf_new, evap) !**************************************************************************************** ! Calculate 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))) alb1(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" ! alb1(1 : knon) = 0.6 !IM cf FH/GK ! alb1(1 : knon) = 0.82 ! alb1(1 : knon) = 0.77 !211003 Ksta0.77 ! alb1(1 : knon) = 0.8 !KstaTER0.8 & LMD_ARMIP5 !IM: KstaTER0.77 & LMD_ARMIP6 ! Attantion: alb1 and alb2 are the same! alb1(1:knon) = alb_vis_sno_lic alb2(1:knon) = alb_nir_sno_lic !**************************************************************************************** ! Rugosity ! !**************************************************************************************** z0m=1.e-3 z0h = z0m z0m = SQRT(z0m**2+rugoro**2) END IF ! ok_snow !**************************************************************************************** ! Send run-off on land-ice to coupler if coupled ocean. ! run_off_lic has been calculated in fonte_neige or surf_sisvat ! !**************************************************************************************** IF (type_ocean=='couple') THEN CALL cpl_send_landice_fields(itime, knon, knindex, run_off_lic) ENDIF ! transfer runoff rate [kg/m2/s](!) to physiq for output runoff(1:knon)=run_off_lic(1:knon)/dtime !**************************************************************************************** snow_o=0. zfra_o = 0. DO j = 1, knon i = knindex(j) snow_o(i) = snow(j) zfra_o(i) = zfra(j) ENDDO !**************************************************************************************** snow_o=0. zfra_o = 0. DO j = 1, knon i = knindex(j) snow_o(i) = snow(j) zfra_o(i) = zfra(j) ENDDO !albedo SB >>> select case(NSW) case(2) alb_dir(1:knon,1)=alb1(1:knon) alb_dir(1:knon,2)=alb2(1:knon) case(4) alb_dir(1:knon,1)=alb1(1:knon) alb_dir(1:knon,2)=alb2(1:knon) alb_dir(1:knon,3)=alb2(1:knon) alb_dir(1:knon,4)=alb2(1:knon) case(6) alb_dir(1:knon,1)=alb1(1:knon) alb_dir(1:knon,2)=alb1(1:knon) alb_dir(1:knon,3)=alb1(1:knon) alb_dir(1:knon,4)=alb2(1:knon) alb_dir(1:knon,5)=alb2(1:knon) alb_dir(1:knon,6)=alb2(1:knon) end select alb_dif=alb_dir !albedo SB <<< END SUBROUTINE surf_landice ! !**************************************************************************************** ! END MODULE surf_landice_mod