1 | ! |
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2 | ! $Id: ocean_forced_mod.F90 2542 2016-06-06 14:04:57Z aborella $ |
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3 | ! |
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4 | MODULE ocean_forced_mod |
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5 | ! |
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6 | ! This module is used for both the sub-surfaces ocean and sea-ice for the case of a |
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7 | ! forced ocean, "ocean=force". |
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8 | ! |
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9 | IMPLICIT NONE |
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10 | |
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11 | CONTAINS |
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12 | ! |
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13 | !**************************************************************************************** |
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14 | ! |
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15 | SUBROUTINE ocean_forced_noice( & |
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16 | itime, dtime, jour, knon, knindex, & |
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17 | p1lay, cdragh, cdragq, cdragm, precip_rain, precip_snow, & |
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18 | temp_air, spechum, & |
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19 | AcoefH, AcoefQ, BcoefH, BcoefQ, & |
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20 | AcoefU, AcoefV, BcoefU, BcoefV, & |
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21 | ps, u1, v1, gustiness, & |
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22 | radsol, snow, agesno, & |
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23 | qsurf, evap, fluxsens, fluxlat, flux_u1, flux_v1, & |
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24 | tsurf_new, dflux_s, dflux_l) |
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25 | ! |
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26 | ! This subroutine treats the "open ocean", all grid points that are not entierly covered |
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27 | ! by ice. |
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28 | ! The routine receives data from climatologie file limit.nc and does some calculations at the |
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29 | ! surface. |
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30 | ! |
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31 | USE dimphy |
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32 | USE calcul_fluxs_mod |
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33 | USE limit_read_mod |
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34 | USE mod_grid_phy_lmdz |
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35 | USE indice_sol_mod |
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36 | USE phys_output_var_mod, ONLY : sens_prec_liq_o, sens_prec_sol_o, lat_prec_liq_o, lat_prec_sol_o |
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37 | |
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38 | INCLUDE "YOMCST.h" |
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39 | INCLUDE "clesphys.h" |
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40 | |
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41 | |
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42 | ! Input arguments |
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43 | !**************************************************************************************** |
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44 | INTEGER, INTENT(IN) :: itime, jour, knon |
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45 | INTEGER, DIMENSION(klon), INTENT(IN) :: knindex |
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46 | REAL, INTENT(IN) :: dtime |
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47 | REAL, DIMENSION(klon), INTENT(IN) :: p1lay |
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48 | REAL, DIMENSION(klon), INTENT(IN) :: cdragh, cdragq, cdragm |
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49 | REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow |
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50 | REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum |
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51 | REAL, DIMENSION(klon), INTENT(IN) :: AcoefH, AcoefQ, BcoefH, BcoefQ |
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52 | REAL, DIMENSION(klon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV |
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53 | REAL, DIMENSION(klon), INTENT(IN) :: ps |
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54 | REAL, DIMENSION(klon), INTENT(IN) :: u1, v1, gustiness |
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55 | |
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56 | ! In/Output arguments |
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57 | !**************************************************************************************** |
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58 | REAL, DIMENSION(klon), INTENT(INOUT) :: radsol |
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59 | REAL, DIMENSION(klon), INTENT(INOUT) :: snow |
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60 | REAL, DIMENSION(klon), INTENT(INOUT) :: agesno !? put to 0 in ocean |
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61 | |
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62 | ! Output arguments |
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63 | !**************************************************************************************** |
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64 | REAL, DIMENSION(klon), INTENT(OUT) :: qsurf |
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65 | REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat |
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66 | REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1, flux_v1 |
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67 | REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new |
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68 | REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l |
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69 | |
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70 | ! Local variables |
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71 | !**************************************************************************************** |
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72 | INTEGER :: i, j |
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73 | REAL, DIMENSION(klon) :: cal, beta, dif_grnd |
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74 | REAL, DIMENSION(klon) :: alb_neig, tsurf_lim, zx_sl |
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75 | REAL, DIMENSION(klon) :: u0, v0 |
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76 | REAL, DIMENSION(klon) :: u1_lay, v1_lay |
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77 | LOGICAL :: check=.FALSE. |
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78 | REAL, DIMENSION(klon) :: sens_prec_liq, sens_prec_sol |
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79 | REAL, DIMENSION(klon) :: lat_prec_liq, lat_prec_sol |
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80 | |
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81 | !**************************************************************************************** |
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82 | ! Start calculation |
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83 | !**************************************************************************************** |
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84 | IF (check) WRITE(*,*)' Entering ocean_forced_noice' |
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85 | |
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86 | !**************************************************************************************** |
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87 | ! 1) |
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88 | ! Read sea-surface temperature from file limit.nc |
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89 | ! |
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90 | !**************************************************************************************** |
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91 | !--sb: |
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92 | !!jyg if (knon.eq.1) then ! single-column model |
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93 | if (klon_glo.eq.1) then ! single-column model |
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94 | CALL read_tsurf1d(knon,tsurf_lim) ! new |
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95 | else ! GCM |
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96 | CALL limit_read_sst(knon,knindex,tsurf_lim) |
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97 | endif ! knon |
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98 | !sb-- |
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99 | |
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100 | !**************************************************************************************** |
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101 | ! 2) |
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102 | ! Flux calculation |
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103 | ! |
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104 | !**************************************************************************************** |
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105 | ! Set some variables for calcul_fluxs |
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106 | cal = 0. |
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107 | beta = 1. |
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108 | dif_grnd = 0. |
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109 | alb_neig(:) = 0. |
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110 | agesno(:) = 0. |
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111 | sens_prec_liq = 0.; sens_prec_sol = 0.; lat_prec_liq = 0.; lat_prec_sol = 0. |
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112 | |
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113 | ! Suppose zero surface speed |
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114 | u0(:)=0.0 |
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115 | v0(:)=0.0 |
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116 | u1_lay(:) = u1(:) - u0(:) |
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117 | v1_lay(:) = v1(:) - v0(:) |
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118 | |
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119 | ! Calcul de tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l and qsurf |
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120 | CALL calcul_fluxs(knon, is_oce, dtime, & |
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121 | tsurf_lim, p1lay, cal, beta, cdragh, cdragq, ps, & |
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122 | precip_rain, precip_snow, snow, qsurf, & |
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123 | radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, gustiness, & |
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124 | f_qsat_oce,AcoefH, AcoefQ, BcoefH, BcoefQ, & |
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125 | tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
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126 | sens_prec_liq, sens_prec_sol, lat_prec_liq, lat_prec_sol) |
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127 | |
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128 | do j = 1, knon |
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129 | i = knindex(j) |
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130 | sens_prec_liq_o(i,1) = sens_prec_liq(j) |
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131 | sens_prec_sol_o(i,1) = sens_prec_sol(j) |
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132 | lat_prec_liq_o(i,1) = lat_prec_liq(j) |
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133 | lat_prec_sol_o(i,1) = lat_prec_sol(j) |
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134 | enddo |
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135 | |
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136 | |
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137 | ! - Flux calculation at first modele level for U and V |
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138 | CALL calcul_flux_wind(knon, dtime, & |
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139 | u0, v0, u1, v1, gustiness, cdragm, & |
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140 | AcoefU, AcoefV, BcoefU, BcoefV, & |
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141 | p1lay, temp_air, & |
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142 | flux_u1, flux_v1) |
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143 | |
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144 | END SUBROUTINE ocean_forced_noice |
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145 | ! |
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146 | !*************************************************************************************** |
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147 | ! |
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148 | SUBROUTINE ocean_forced_ice( & |
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149 | itime, dtime, jour, knon, knindex, & |
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150 | tsurf_in, p1lay, cdragh, cdragm, precip_rain, precip_snow, temp_air, spechum, & |
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151 | AcoefH, AcoefQ, BcoefH, BcoefQ, & |
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152 | AcoefU, AcoefV, BcoefU, BcoefV, & |
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153 | ps, u1, v1, gustiness, & |
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154 | radsol, snow, qsol, agesno, tsoil, & |
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155 | qsurf, alb1_new, alb2_new, evap, fluxsens, fluxlat, flux_u1, flux_v1, & |
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156 | tsurf_new, dflux_s, dflux_l) |
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157 | ! |
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158 | ! This subroutine treats the ocean where there is ice. |
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159 | ! The routine reads data from climatologie file and does flux calculations at the |
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160 | ! surface. |
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161 | ! |
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162 | USE dimphy |
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163 | USE calcul_fluxs_mod |
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164 | USE surface_data, ONLY : calice, calsno, tau_gl |
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165 | USE limit_read_mod |
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166 | USE fonte_neige_mod, ONLY : fonte_neige |
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167 | USE indice_sol_mod |
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168 | USE phys_output_var_mod, ONLY : sens_prec_liq_o, sens_prec_sol_o, lat_prec_liq_o, lat_prec_sol_o |
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169 | |
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170 | ! INCLUDE "indicesol.h" |
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171 | INCLUDE "dimsoil.h" |
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172 | INCLUDE "YOMCST.h" |
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173 | INCLUDE "clesphys.h" |
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174 | |
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175 | ! Input arguments |
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176 | !**************************************************************************************** |
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177 | INTEGER, INTENT(IN) :: itime, jour, knon |
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178 | INTEGER, DIMENSION(klon), INTENT(IN) :: knindex |
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179 | REAL, INTENT(IN) :: dtime |
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180 | REAL, DIMENSION(klon), INTENT(IN) :: tsurf_in |
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181 | REAL, DIMENSION(klon), INTENT(IN) :: p1lay |
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182 | REAL, DIMENSION(klon), INTENT(IN) :: cdragh, cdragm |
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183 | REAL, DIMENSION(klon), INTENT(IN) :: precip_rain, precip_snow |
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184 | REAL, DIMENSION(klon), INTENT(IN) :: temp_air, spechum |
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185 | REAL, DIMENSION(klon), INTENT(IN) :: AcoefH, AcoefQ, BcoefH, BcoefQ |
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186 | REAL, DIMENSION(klon), INTENT(IN) :: AcoefU, AcoefV, BcoefU, BcoefV |
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187 | REAL, DIMENSION(klon), INTENT(IN) :: ps |
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188 | REAL, DIMENSION(klon), INTENT(IN) :: u1, v1, gustiness |
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189 | |
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190 | ! In/Output arguments |
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191 | !**************************************************************************************** |
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192 | REAL, DIMENSION(klon), INTENT(INOUT) :: radsol |
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193 | REAL, DIMENSION(klon), INTENT(INOUT) :: snow, qsol |
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194 | REAL, DIMENSION(klon), INTENT(INOUT) :: agesno |
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195 | REAL, DIMENSION(klon, nsoilmx), INTENT(INOUT) :: tsoil |
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196 | |
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197 | ! Output arguments |
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198 | !**************************************************************************************** |
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199 | REAL, DIMENSION(klon), INTENT(OUT) :: qsurf |
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200 | REAL, DIMENSION(klon), INTENT(OUT) :: alb1_new ! new albedo in visible SW interval |
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201 | REAL, DIMENSION(klon), INTENT(OUT) :: alb2_new ! new albedo in near IR interval |
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202 | REAL, DIMENSION(klon), INTENT(OUT) :: evap, fluxsens, fluxlat |
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203 | REAL, DIMENSION(klon), INTENT(OUT) :: flux_u1, flux_v1 |
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204 | REAL, DIMENSION(klon), INTENT(OUT) :: tsurf_new |
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205 | REAL, DIMENSION(klon), INTENT(OUT) :: dflux_s, dflux_l |
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206 | |
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207 | ! Local variables |
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208 | !**************************************************************************************** |
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209 | LOGICAL :: check=.FALSE. |
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210 | INTEGER :: i, j |
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211 | REAL :: zfra |
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212 | REAL, PARAMETER :: t_grnd=271.35 |
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213 | REAL, DIMENSION(klon) :: cal, beta, dif_grnd, capsol |
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214 | REAL, DIMENSION(klon) :: alb_neig, tsurf_tmp |
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215 | REAL, DIMENSION(klon) :: soilcap, soilflux |
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216 | REAL, DIMENSION(klon) :: u0, v0 |
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217 | REAL, DIMENSION(klon) :: u1_lay, v1_lay |
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218 | REAL, DIMENSION(klon) :: sens_prec_liq, sens_prec_sol |
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219 | REAL, DIMENSION(klon) :: lat_prec_liq, lat_prec_sol |
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220 | |
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221 | |
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222 | !**************************************************************************************** |
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223 | ! Start calculation |
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224 | !**************************************************************************************** |
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225 | IF (check) WRITE(*,*)'Entering surface_seaice, knon=',knon |
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226 | |
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227 | !**************************************************************************************** |
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228 | ! 1) |
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229 | ! Flux calculation : tsurf_new, evap, fluxlat, fluxsens, flux_u1, flux_v1 |
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230 | ! dflux_s, dflux_l and qsurf |
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231 | !**************************************************************************************** |
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232 | |
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233 | tsurf_tmp(:) = tsurf_in(:) |
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234 | |
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235 | ! calculate the parameters cal, beta, capsol and dif_grnd |
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236 | CALL calbeta(dtime, is_sic, knon, snow, qsol, beta, capsol, dif_grnd) |
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237 | |
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238 | |
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239 | IF (soil_model) THEN |
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240 | ! update tsoil and calculate soilcap and soilflux |
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241 | CALL soil(dtime, is_sic, knon, snow, tsurf_tmp, tsoil,soilcap, soilflux) |
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242 | cal(1:knon) = RCPD / soilcap(1:knon) |
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243 | radsol(1:knon) = radsol(1:knon) + soilflux(1:knon) |
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244 | dif_grnd = 1.0 / tau_gl |
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245 | ELSE |
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246 | dif_grnd = 1.0 / tau_gl |
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247 | cal = RCPD * calice |
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248 | WHERE (snow > 0.0) cal = RCPD * calsno |
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249 | ENDIF |
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250 | |
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251 | beta = 1.0 |
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252 | sens_prec_liq = 0.; sens_prec_sol = 0.; lat_prec_liq = 0.; lat_prec_sol = 0. |
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253 | |
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254 | ! Suppose zero surface speed |
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255 | u0(:)=0.0 |
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256 | v0(:)=0.0 |
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257 | u1_lay(:) = u1(:) - u0(:) |
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258 | v1_lay(:) = v1(:) - v0(:) |
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259 | CALL calcul_fluxs(knon, is_sic, dtime, & |
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260 | tsurf_tmp, p1lay, cal, beta, cdragh, cdragh, ps, & |
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261 | precip_rain, precip_snow, snow, qsurf, & |
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262 | radsol, dif_grnd, temp_air, spechum, u1_lay, v1_lay, gustiness, & |
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263 | f_qsat_oce,AcoefH, AcoefQ, BcoefH, BcoefQ, & |
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264 | tsurf_new, evap, fluxlat, fluxsens, dflux_s, dflux_l, & |
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265 | sens_prec_liq, sens_prec_sol, lat_prec_liq, lat_prec_sol) |
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266 | do j = 1, knon |
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267 | i = knindex(j) |
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268 | sens_prec_liq_o(i,2) = sens_prec_liq(j) |
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269 | sens_prec_sol_o(i,2) = sens_prec_sol(j) |
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270 | lat_prec_liq_o(i,2) = lat_prec_liq(j) |
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271 | lat_prec_sol_o(i,2) = lat_prec_sol(j) |
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272 | enddo |
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273 | |
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274 | ! - Flux calculation at first modele level for U and V |
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275 | CALL calcul_flux_wind(knon, dtime, & |
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276 | u0, v0, u1, v1, gustiness, cdragm, & |
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277 | AcoefU, AcoefV, BcoefU, BcoefV, & |
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278 | p1lay, temp_air, & |
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279 | flux_u1, flux_v1) |
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280 | |
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281 | !**************************************************************************************** |
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282 | ! 2) |
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283 | ! Calculations due to snow and runoff |
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284 | ! |
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285 | !**************************************************************************************** |
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286 | CALL fonte_neige( knon, is_sic, knindex, dtime, & |
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287 | tsurf_tmp, precip_rain, precip_snow, & |
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288 | snow, qsol, tsurf_new, evap) |
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289 | |
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290 | ! Calculation of albedo at snow (alb_neig) and update the age of snow (agesno) |
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291 | ! |
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292 | CALL albsno(klon, knon, dtime, agesno(:), alb_neig(:), precip_snow(:)) |
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293 | |
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294 | WHERE (snow(1:knon) .LT. 0.0001) agesno(1:knon) = 0. |
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295 | |
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296 | alb1_new(:) = 0.0 |
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297 | DO i=1, knon |
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298 | zfra = MAX(0.0,MIN(1.0,snow(i)/(snow(i)+10.0))) |
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299 | alb1_new(i) = alb_neig(i) * zfra + 0.6 * (1.0-zfra) |
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300 | ENDDO |
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301 | |
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302 | alb2_new(:) = alb1_new(:) |
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303 | |
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304 | END SUBROUTINE ocean_forced_ice |
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305 | |
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306 | !************************************************************************ |
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307 | ! 1D case |
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308 | !************************************************************************ |
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309 | SUBROUTINE read_tsurf1d(knon,sst_out) |
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310 | |
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311 | ! This subroutine specifies the surface temperature to be used in 1D simulations |
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312 | |
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313 | USE dimphy, ONLY : klon |
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314 | |
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315 | INTEGER, INTENT(IN) :: knon ! nomber of points on compressed grid |
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316 | REAL, DIMENSION(klon), INTENT(OUT) :: sst_out ! tsurf used to force the single-column model |
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317 | |
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318 | INTEGER :: i |
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319 | ! COMMON defined in lmdz1d.F: |
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320 | real ts_cur |
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321 | common /sst_forcing/ts_cur |
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322 | |
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323 | DO i = 1, knon |
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324 | sst_out(i) = ts_cur |
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325 | ENDDO |
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326 | |
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327 | END SUBROUTINE read_tsurf1d |
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328 | |
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329 | ! |
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330 | !************************************************************************ |
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331 | ! |
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332 | END MODULE ocean_forced_mod |
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333 | |
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334 | |
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335 | |
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336 | |
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337 | |
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338 | |
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