[781] | 1 | ! |
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[2538] | 2 | ! $Id: surf_ocean_mod.F90 3411 2018-11-05 14:24:59Z dcugnet $ |
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| 3 | ! |
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[781] | 4 | MODULE surf_ocean_mod |
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| 5 | |
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| 6 | IMPLICIT NONE |
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| 7 | |
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| 8 | CONTAINS |
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| 9 | ! |
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[2254] | 10 | !****************************************************************************** |
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[781] | 11 | ! |
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[888] | 12 | SUBROUTINE surf_ocean(rlon, rlat, swnet, lwnet, alb1, & |
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[2243] | 13 | windsp, rmu0, fder, tsurf_in, & |
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[781] | 14 | itime, dtime, jour, knon, knindex, & |
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[2254] | 15 | p1lay, z1lay, cdragh, cdragm, precip_rain, precip_snow, temp_air, spechum, & |
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[1067] | 16 | AcoefH, AcoefQ, BcoefH, BcoefQ, & |
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| 17 | AcoefU, AcoefV, BcoefU, BcoefV, & |
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[2240] | 18 | ps, u1, v1, gustiness, rugoro, pctsrf, & |
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[888] | 19 | snow, qsurf, agesno, & |
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[2243] | 20 | z0m, z0h, SFRWL, alb_dir_new, alb_dif_new, evap, fluxsens, fluxlat, & |
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[1067] | 21 | tsurf_new, dflux_s, dflux_l, lmt_bils, & |
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| 22 | flux_u1, flux_v1) |
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| 23 | |
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[2322] | 24 | use albedo, only: alboc, alboc_cd |
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[2391] | 25 | USE dimphy, ONLY: klon, zmasq |
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[1067] | 26 | USE surface_data, ONLY : type_ocean |
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| 27 | USE ocean_forced_mod, ONLY : ocean_forced_noice |
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| 28 | USE ocean_slab_mod, ONLY : ocean_slab_noice |
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| 29 | USE ocean_cpl_mod, ONLY : ocean_cpl_noice |
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[2391] | 30 | USE indice_sol_mod, ONLY : nbsrf, is_oce |
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[3002] | 31 | USE limit_read_mod |
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[781] | 32 | ! |
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| 33 | ! This subroutine will make a call to ocean_XXX_noice according to the ocean mode (force, |
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| 34 | ! slab or couple). The calculations of albedo and rugosity for the ocean surface are |
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| 35 | ! done in here because they are identical for the different modes of ocean. |
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[1785] | 36 | |
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| 37 | |
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[793] | 38 | INCLUDE "YOMCST.h" |
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[781] | 39 | |
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[2178] | 40 | include "clesphys.h" |
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[2455] | 41 | ! for cycle_diurne and for iflag_z0_oce==-1 (prescribed z0) |
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[2178] | 42 | |
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[781] | 43 | ! Input variables |
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[2254] | 44 | !****************************************************************************** |
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[781] | 45 | INTEGER, INTENT(IN) :: itime, jour, knon |
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| 46 | INTEGER, DIMENSION(klon), INTENT(IN) :: knindex |
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| 47 | REAL, INTENT(IN) :: dtime |
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| 48 | REAL, DIMENSION(klon), INTENT(IN) :: rlon, rlat |
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[888] | 49 | REAL, DIMENSION(klon), INTENT(IN) :: swnet ! net shortwave radiation at surface |
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| 50 | REAL, DIMENSION(klon), INTENT(IN) :: lwnet ! net longwave radiation at surface |
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| 51 | REAL, DIMENSION(klon), INTENT(IN) :: alb1 ! albedo in visible SW interval |
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[781] | 52 | REAL, DIMENSION(klon), INTENT(IN) :: windsp |
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| 53 | REAL, DIMENSION(klon), INTENT(IN) :: rmu0 |
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| 54 | REAL, DIMENSION(klon), INTENT(IN) :: fder |
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[996] | 55 | REAL, DIMENSION(klon), INTENT(IN) :: tsurf_in |
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[2254] | 56 | REAL, DIMENSION(klon), INTENT(IN) :: p1lay,z1lay ! pression (Pa) et altitude (m) du premier niveau |
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[1067] | 57 | REAL, DIMENSION(klon), INTENT(IN) :: cdragh |
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| 58 | REAL, DIMENSION(klon), INTENT(IN) :: cdragm |
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[781] | 59 | REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow |
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| 60 | REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum |
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[1067] | 61 | REAL, DIMENSION(klon), INTENT(IN) :: AcoefH, AcoefQ, BcoefH, BcoefQ |
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| 62 | REAL, DIMENSION(klon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV |
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[781] | 63 | REAL, DIMENSION(klon), INTENT(IN) :: ps |
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[2240] | 64 | REAL, DIMENSION(klon), INTENT(IN) :: u1, v1, gustiness |
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[781] | 65 | REAL, DIMENSION(klon), INTENT(IN) :: rugoro |
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| 66 | REAL, DIMENSION(klon,nbsrf), INTENT(IN) :: pctsrf |
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| 67 | |
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| 68 | ! In/Output variables |
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[2254] | 69 | !****************************************************************************** |
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[888] | 70 | REAL, DIMENSION(klon), INTENT(INOUT) :: snow |
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| 71 | REAL, DIMENSION(klon), INTENT(INOUT) :: qsurf |
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[781] | 72 | REAL, DIMENSION(klon), INTENT(INOUT) :: agesno |
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| 73 | |
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| 74 | ! Output variables |
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[2254] | 75 | !****************************************************************************** |
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[2243] | 76 | REAL, DIMENSION(klon), INTENT(OUT) :: z0m, z0h |
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[2227] | 77 | !albedo SB >>> |
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| 78 | ! REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new ! new albedo in visible SW interval |
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| 79 | ! REAL, DIMENSION(klon), INTENT(OUT) :: alb2_new ! new albedo in near IR interval |
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| 80 | REAL, DIMENSION(6), INTENT(IN) :: SFRWL |
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| 81 | REAL, DIMENSION(klon,nsw), INTENT(OUT) :: alb_dir_new,alb_dif_new |
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| 82 | !albedo SB <<< |
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[781] | 83 | REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat |
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[888] | 84 | REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new |
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[781] | 85 | REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l |
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[996] | 86 | REAL, DIMENSION(klon), INTENT(OUT) :: lmt_bils |
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[1067] | 87 | REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1, flux_v1 |
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[781] | 88 | |
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| 89 | ! Local variables |
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[2254] | 90 | !****************************************************************************** |
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[2227] | 91 | INTEGER :: i, k |
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[1146] | 92 | REAL :: tmp |
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| 93 | REAL, PARAMETER :: cepdu2=(0.1)**2 |
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[3002] | 94 | REAL, DIMENSION(klon) :: alb_eau, z0_lim |
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[888] | 95 | REAL, DIMENSION(klon) :: radsol |
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[2254] | 96 | REAL, DIMENSION(klon) :: cdragq ! Cdrag pour l'evaporation |
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[2391] | 97 | CHARACTER(len=20),PARAMETER :: modname="surf_ocean" |
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[781] | 98 | |
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| 99 | ! End definition |
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[2254] | 100 | !****************************************************************************** |
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[888] | 101 | |
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| 102 | |
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[2254] | 103 | !****************************************************************************** |
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[888] | 104 | ! Calculate total net radiance at surface |
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| 105 | ! |
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[2254] | 106 | !****************************************************************************** |
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[2719] | 107 | radsol(1:klon) = 0.0 ! initialisation a priori inutile |
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[888] | 108 | radsol(1:knon) = swnet(1:knon) + lwnet(1:knon) |
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| 109 | |
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[2254] | 110 | !****************************************************************************** |
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| 111 | ! Cdragq computed from cdrag |
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| 112 | ! The difference comes only from a factor (f_z0qh_oce) on z0, so that |
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| 113 | ! it can be computed inside surf_ocean |
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| 114 | ! More complicated appraches may require the propagation through |
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| 115 | ! pbl_surface of an independant cdragq variable. |
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| 116 | !****************************************************************************** |
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| 117 | |
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| 118 | IF ( f_z0qh_oce .ne. 1.) THEN |
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[2261] | 119 | ! Si on suit les formulations par exemple de Tessel, on |
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| 120 | ! a z0h=0.4*nu/u*, z0q=0.62*nu/u*, d'ou f_z0qh_oce=0.62/0.4=1.55 |
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[2718] | 121 | cdragq(1:knon)=cdragh(1:knon)* & |
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| 122 | log(z1lay(1:knon)/z0h(1:knon))/log(z1lay(1:knon)/(f_z0qh_oce*z0h(1:knon))) |
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[2254] | 123 | ELSE |
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[2718] | 124 | cdragq(1:knon)=cdragh(1:knon) |
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[2254] | 125 | ENDIF |
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| 126 | |
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[3002] | 127 | |
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[2254] | 128 | !****************************************************************************** |
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[781] | 129 | ! Switch according to type of ocean (couple, slab or forced) |
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[2254] | 130 | !****************************************************************************** |
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[996] | 131 | SELECT CASE(type_ocean) |
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[781] | 132 | CASE('couple') |
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[888] | 133 | CALL ocean_cpl_noice( & |
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| 134 | swnet, lwnet, alb1, & |
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[1067] | 135 | windsp, fder, & |
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[781] | 136 | itime, dtime, knon, knindex, & |
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[2254] | 137 | p1lay, cdragh, cdragq, cdragm, precip_rain, precip_snow,temp_air,spechum,& |
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[1067] | 138 | AcoefH, AcoefQ, BcoefH, BcoefQ, & |
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| 139 | AcoefU, AcoefV, BcoefU, BcoefV, & |
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[2240] | 140 | ps, u1, v1, gustiness, & |
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[888] | 141 | radsol, snow, agesno, & |
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[1067] | 142 | qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, & |
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[996] | 143 | tsurf_new, dflux_s, dflux_l) |
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[781] | 144 | |
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| 145 | CASE('slab') |
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[888] | 146 | CALL ocean_slab_noice( & |
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[996] | 147 | itime, dtime, jour, knon, knindex, & |
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[2254] | 148 | p1lay, cdragh, cdragq, cdragm, precip_rain, precip_snow, temp_air, spechum,& |
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[1067] | 149 | AcoefH, AcoefQ, BcoefH, BcoefQ, & |
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| 150 | AcoefU, AcoefV, BcoefU, BcoefV, & |
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[2240] | 151 | ps, u1, v1, gustiness, tsurf_in, & |
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[2209] | 152 | radsol, snow, & |
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[1067] | 153 | qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, & |
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[996] | 154 | tsurf_new, dflux_s, dflux_l, lmt_bils) |
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[781] | 155 | |
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| 156 | CASE('force') |
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[888] | 157 | CALL ocean_forced_noice( & |
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| 158 | itime, dtime, jour, knon, knindex, & |
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[2254] | 159 | p1lay, cdragh, cdragq, cdragm, precip_rain, precip_snow, & |
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[781] | 160 | temp_air, spechum, & |
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[1067] | 161 | AcoefH, AcoefQ, BcoefH, BcoefQ, & |
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| 162 | AcoefU, AcoefV, BcoefU, BcoefV, & |
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[2240] | 163 | ps, u1, v1, gustiness, & |
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[888] | 164 | radsol, snow, agesno, & |
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[1067] | 165 | qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, & |
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[996] | 166 | tsurf_new, dflux_s, dflux_l) |
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[781] | 167 | END SELECT |
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| 168 | |
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[2254] | 169 | !****************************************************************************** |
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[2057] | 170 | ! fcodron: compute lmt_bils forced case (same as wfbils_oce / 1.-contfracatm) |
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[2254] | 171 | !****************************************************************************** |
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[2057] | 172 | IF (type_ocean.NE.'slab') THEN |
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[2719] | 173 | lmt_bils(1:klon)=0. |
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[2057] | 174 | DO i=1,knon |
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| 175 | lmt_bils(knindex(i))=(swnet(i)+lwnet(i)+fluxsens(i)+fluxlat(i)) & |
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| 176 | *pctsrf(knindex(i),is_oce)/(1.-zmasq(knindex(i))) |
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| 177 | END DO |
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| 178 | END IF |
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| 179 | |
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[2254] | 180 | !****************************************************************************** |
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[2413] | 181 | ! Calculate ocean surface albedo |
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[2254] | 182 | !****************************************************************************** |
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[2227] | 183 | !albedo SB >>> |
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[2413] | 184 | IF (iflag_albedo==0) THEN |
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| 185 | !--old parametrizations of ocean surface albedo |
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| 186 | ! |
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[3411] | 187 | IF (cycle_diurne) THEN |
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[2413] | 188 | ! |
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[2178] | 189 | CALL alboc_cd(rmu0,alb_eau) |
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[2413] | 190 | ! |
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| 191 | !--ad-hoc correction for model radiative balance tuning |
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| 192 | !--now outside alboc_cd routine |
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[2718] | 193 | alb_eau(1:klon) = fmagic*alb_eau(1:klon) + pmagic |
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| 194 | alb_eau(1:klon)=MIN(MAX(alb_eau(1:klon),0.0),1.0) |
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[2413] | 195 | ! |
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[2178] | 196 | ELSE |
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[2413] | 197 | ! |
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[1403] | 198 | CALL alboc(REAL(jour),rlat,alb_eau) |
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[2413] | 199 | !--ad-hoc correction for model radiative balance tuning |
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| 200 | !--now outside alboc routine |
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[2718] | 201 | alb_eau(1:klon) = fmagic*alb_eau(1:klon) + pmagic |
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| 202 | alb_eau(1:klon)=MIN(MAX(alb_eau(1:klon),0.04),0.60) |
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[2413] | 203 | ! |
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[781] | 204 | ENDIF |
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[2413] | 205 | ! |
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[781] | 206 | DO i =1, knon |
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[2413] | 207 | DO k=1,nsw |
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[2227] | 208 | alb_dir_new(i,k) = alb_eau(knindex(i)) |
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[2413] | 209 | ENDDO |
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[781] | 210 | ENDDO |
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[2413] | 211 | !IM 09122015 next line corresponds to the old way of doing in LMDZ5A/IPSLCM5A versions |
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| 212 | !albedo for diffuse radiation is taken the same as for direct radiation |
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[2718] | 213 | alb_dif_new(1:knon,:)=alb_dir_new(1:knon,:) |
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[2405] | 214 | !IM 09122015 end |
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[2413] | 215 | ! |
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| 216 | ELSE IF (iflag_albedo==1) THEN |
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| 217 | !--new parametrization of ocean surface albedo by Sunghye Baek |
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| 218 | !--albedo for direct and diffuse radiation are different |
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| 219 | ! |
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| 220 | CALL ocean_albedo(knon,rmu0,knindex,windsp,SFRWL,alb_dir_new,alb_dif_new) |
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| 221 | ! |
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| 222 | !--ad-hoc correction for model radiative balance tuning |
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[2718] | 223 | alb_dir_new(1:knon,:) = fmagic*alb_dir_new(1:knon,:) + pmagic |
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[2719] | 224 | alb_dif_new(1:knon,:) = fmagic*alb_dif_new(1:knon,:) + pmagic |
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[2718] | 225 | alb_dir_new(1:knon,:)=MIN(MAX(alb_dir_new(1:knon,:),0.0),1.0) |
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| 226 | alb_dif_new(1:knon,:)=MIN(MAX(alb_dif_new(1:knon,:),0.0),1.0) |
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[2413] | 227 | ! |
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[3002] | 228 | ! F. Codron albedo read from limit.nc |
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| 229 | ELSE IF (iflag_albedo==2) THEN |
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| 230 | CALL limit_read_rug_alb(itime, dtime, jour,& |
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| 231 | knon, knindex, z0_lim, alb_eau) |
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| 232 | DO i =1, knon |
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| 233 | DO k=1,nsw |
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| 234 | alb_dir_new(i,k) = alb_eau(i) |
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| 235 | ENDDO |
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| 236 | ENDDO |
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| 237 | alb_dif_new=alb_dir_new |
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[2413] | 238 | ENDIF |
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[2227] | 239 | !albedo SB <<< |
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| 240 | |
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[2254] | 241 | !****************************************************************************** |
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[781] | 242 | ! Calculate the rugosity |
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[2254] | 243 | !****************************************************************************** |
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[2243] | 244 | IF (iflag_z0_oce==0) THEN |
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[781] | 245 | DO i = 1, knon |
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[2278] | 246 | tmp = MAX(cepdu2,gustiness(i)+u1(i)**2+v1(i)**2) |
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| 247 | z0m(i) = 0.018*cdragm(i) * (gustiness(i)+u1(i)**2+v1(i)**2)/RG & |
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[1146] | 248 | + 0.11*14e-6 / SQRT(cdragm(i) * tmp) |
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[2243] | 249 | z0m(i) = MAX(1.5e-05,z0m(i)) |
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[1146] | 250 | ENDDO |
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[2243] | 251 | z0h(1:knon)=z0m(1:knon) ! En attendant mieux |
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| 252 | |
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[2261] | 253 | ELSE IF (iflag_z0_oce==1) THEN |
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[2264] | 254 | DO i = 1, knon |
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[2278] | 255 | tmp = MAX(cepdu2,gustiness(i)+u1(i)**2+v1(i)**2) |
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| 256 | z0m(i) = 0.018*cdragm(i) * (gustiness(i)+u1(i)**2+v1(i)**2)/RG & |
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[2264] | 257 | + 0.11*14e-6 / SQRT(cdragm(i) * tmp) |
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| 258 | z0m(i) = MAX(1.5e-05,z0m(i)) |
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[2278] | 259 | z0h(i)=0.4*14e-6 / SQRT(cdragm(i) * tmp) |
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[2264] | 260 | ENDDO |
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[2455] | 261 | ELSE IF (iflag_z0_oce==-1) THEN |
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| 262 | DO i = 1, knon |
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| 263 | z0m(i) = z0min |
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| 264 | z0h(i) = z0min |
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| 265 | ENDDO |
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[2243] | 266 | ELSE |
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[2391] | 267 | CALL abort_physic(modname,'version non prevue',1) |
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[2243] | 268 | ENDIF |
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[781] | 269 | ! |
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[2254] | 270 | !****************************************************************************** |
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[781] | 271 | END SUBROUTINE surf_ocean |
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[2254] | 272 | !****************************************************************************** |
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[781] | 273 | ! |
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| 274 | END MODULE surf_ocean_mod |
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