1 | MODULE iceadv |
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2 | !!====================================================================== |
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3 | !! *** MODULE iceadv *** |
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4 | !! LIM transport ice model : sea-ice advection/diffusion |
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5 | !!====================================================================== |
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6 | !! History : LIM-2 ! 2000-01 (M.A. Morales Maqueda, H. Goosse, and T. Fichefet) Original code |
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7 | !! 3.0 ! 2005-11 (M. Vancoppenolle) Multi-layer sea ice, salinity variations |
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8 | !! 4.0 ! 2011-02 (G. Madec) dynamical allocation |
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9 | !!---------------------------------------------------------------------- |
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10 | #if defined key_lim3 |
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11 | !!---------------------------------------------------------------------- |
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12 | !! 'key_lim3' LIM3 sea-ice model |
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13 | !!---------------------------------------------------------------------- |
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14 | !! ice_adv : advection/diffusion process of sea ice |
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15 | !!---------------------------------------------------------------------- |
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16 | USE phycst ! physical constant |
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17 | USE dom_oce ! ocean domain |
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18 | USE sbc_oce , ONLY : nn_fsbc |
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19 | USE ice ! ice variables |
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20 | USE limvar ! |
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21 | USE iceadv_prather ! advection scheme (Prather) |
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22 | USE iceadv_umx ! advection scheme (ultimate-macho) |
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23 | ! |
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24 | USE in_out_manager ! I/O manager |
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25 | USE lbclnk ! lateral boundary conditions -- MPP exchanges |
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26 | USE lib_mpp ! MPP library |
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27 | USE wrk_nemo ! work arrays |
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28 | USE prtctl ! Print control |
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29 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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30 | USE timing ! Timing |
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31 | USE limcons ! conservation tests |
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32 | USE limctl ! control prints |
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33 | |
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34 | IMPLICIT NONE |
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35 | PRIVATE |
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36 | |
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37 | PUBLIC ice_adv ! called by icestp |
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38 | |
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39 | INTEGER :: ncfl ! number of ice time step with CFL>1/2 |
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40 | |
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41 | !! * Substitution |
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42 | # include "vectopt_loop_substitute.h90" |
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43 | !!---------------------------------------------------------------------- |
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44 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) |
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45 | !! $Id: iceadv.F90 8373 2017-07-25 17:44:54Z clem $ |
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46 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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47 | !!---------------------------------------------------------------------- |
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48 | CONTAINS |
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49 | |
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50 | SUBROUTINE ice_adv( kt ) |
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51 | !!------------------------------------------------------------------- |
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52 | !! *** ROUTINE ice_adv *** |
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53 | !! |
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54 | !! ** purpose : advection/diffusion process of sea ice |
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55 | !! |
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56 | !! ** method : variables included in the process are scalar, |
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57 | !! other values are considered as second order. |
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58 | !! For advection, one can choose between |
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59 | !! a) an Ultimate-Macho scheme (whose order is defined by nn_limadv_ord) => nn_limadv=0 |
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60 | !! b) and a second order Prather scheme => nn_limadv=-1 |
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61 | !! |
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62 | !! ** action : |
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63 | !!--------------------------------------------------------------------- |
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64 | INTEGER, INTENT(in) :: kt ! number of iteration |
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65 | ! |
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66 | INTEGER :: ji, jj, jk, jl, jt ! dummy loop indices |
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67 | INTEGER :: initad ! number of sub-timestep for the advection |
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68 | REAL(wp) :: zcfl , zusnit ! - - |
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69 | CHARACTER(len=80) :: cltmp |
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70 | ! |
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71 | REAL(wp) :: zvi_b, zsmv_b, zei_b, zfs_b, zfw_b, zft_b |
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72 | REAL(wp) :: zdv, zda |
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73 | REAL(wp), DIMENSION(jpi,jpj) :: zatold, zeiold, zesold, zsmvold |
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74 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zhimax, zviold, zvsold |
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75 | ! --- ultimate macho only --- ! |
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76 | REAL(wp) :: zdt |
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77 | REAL(wp), POINTER, DIMENSION(:,:) :: zudy, zvdx, zcu_box, zcv_box |
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78 | ! --- prather only --- ! |
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79 | REAL(wp), POINTER, DIMENSION(:,:) :: zarea |
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80 | REAL(wp), POINTER, DIMENSION(:,:,:) :: z0opw |
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81 | REAL(wp), POINTER, DIMENSION(:,:,:) :: z0ice, z0snw, z0ai, z0es , z0smi , z0oi |
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82 | ! MV MP 2016 |
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83 | REAL(wp), POINTER, DIMENSION(:,:,:) :: z0ap , z0vp |
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84 | REAL(wp) :: za_old |
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85 | ! END MV MP 2016 |
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86 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: z0ei |
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87 | !! |
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88 | !!--------------------------------------------------------------------- |
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89 | IF( nn_timing == 1 ) CALL timing_start('iceadv') |
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90 | |
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91 | IF( kt == nit000 .AND. lwp ) THEN |
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92 | WRITE(numout,*)'' |
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93 | WRITE(numout,*)'iceadv' |
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94 | WRITE(numout,*)'~~~~~~' |
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95 | ncfl = 0 ! nb of time step with CFL > 1/2 |
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96 | ENDIF |
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97 | |
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98 | CALL lim_var_agg( 1 ) ! integrated values + ato_i |
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99 | |
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100 | !-------------------------------------! |
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101 | ! Advection of sea ice properties ! |
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102 | !-------------------------------------! |
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103 | |
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104 | ! conservation test |
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105 | IF( ln_limdiachk ) CALL lim_cons_hsm(0, 'iceadv', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
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106 | |
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107 | ! store old values for diag |
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108 | zviold = v_i |
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109 | zvsold = v_s |
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110 | zsmvold(:,:) = SUM( smv_i(:,:,:), dim=3 ) |
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111 | zeiold (:,:) = et_i |
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112 | zesold (:,:) = et_s |
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113 | |
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114 | !--- Thickness correction init. --- ! |
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115 | zatold(:,:) = at_i |
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116 | DO jl = 1, jpl |
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117 | DO jj = 1, jpj |
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118 | DO ji = 1, jpi |
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119 | rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi20 ) ) |
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120 | ht_i (ji,jj,jl) = v_i (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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121 | ht_s (ji,jj,jl) = v_s (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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122 | END DO |
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123 | END DO |
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124 | END DO |
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125 | ! --- Record max of the surrounding ice thicknesses for correction in case advection creates ice too thick --- ! |
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126 | zhimax(:,:,:) = ht_i(:,:,:) + ht_s(:,:,:) |
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127 | DO jl = 1, jpl |
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128 | DO jj = 2, jpjm1 |
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129 | DO ji = 2, jpim1 |
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130 | zhimax(ji,jj,jl) = MAXVAL( ht_i(ji-1:ji+1,jj-1:jj+1,jl) + ht_s(ji-1:ji+1,jj-1:jj+1,jl) ) |
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131 | END DO |
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132 | END DO |
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133 | END DO |
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134 | CALL lbc_lnk( zhimax(:,:,:), 'T', 1. ) |
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135 | |
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136 | ! --- If ice drift field is too fast, use an appropriate time step for advection --- ! |
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137 | zcfl = MAXVAL( ABS( u_ice(:,:) ) * rdt_ice * r1_e1u(:,:) ) ! CFL test for stability |
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138 | zcfl = MAX( zcfl, MAXVAL( ABS( v_ice(:,:) ) * rdt_ice * r1_e2v(:,:) ) ) |
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139 | IF( lk_mpp ) CALL mpp_max( zcfl ) |
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140 | |
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141 | IF( zcfl > 0.5 ) THEN ; initad = 2 ; zusnit = 0.5_wp |
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142 | ELSE ; initad = 1 ; zusnit = 1.0_wp |
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143 | ENDIF |
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144 | |
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145 | !! IF( zcfl > 0.5_wp .AND. lwp ) THEN |
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146 | !! ncfl = ncfl + 1 |
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147 | !! IF( ncfl > 0 ) THEN |
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148 | !! WRITE(cltmp,'(i6.1)') ncfl |
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149 | !! CALL ctl_warn( 'ice_adv: ncfl= ', TRIM(cltmp), 'advective ice time-step using a split in sub-time-step ') |
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150 | !! ENDIF |
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151 | !! ENDIF |
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152 | |
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153 | SELECT CASE ( nn_limadv ) |
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154 | |
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155 | !=============================! |
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156 | CASE ( 0 ) !== Ultimate-MACHO scheme ==! |
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157 | !=============================! |
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158 | |
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159 | CALL wrk_alloc( jpi,jpj, zudy, zvdx, zcu_box, zcv_box ) |
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160 | |
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161 | IF( kt == nit000 .AND. lwp ) THEN |
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162 | WRITE(numout,*)'' |
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163 | WRITE(numout,*)'ice_adv_umx : Ultimate-MACHO advection scheme' |
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164 | WRITE(numout,*)'~~~~~~~~~~~' |
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165 | ENDIF |
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166 | ! |
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167 | zdt = rdt_ice / REAL(initad) |
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168 | |
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169 | ! transport |
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170 | zudy(:,:) = u_ice(:,:) * e2u(:,:) |
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171 | zvdx(:,:) = v_ice(:,:) * e1v(:,:) |
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172 | |
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173 | ! define velocity for advection: u*grad(H) |
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174 | DO jj = 2, jpjm1 |
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175 | DO ji = fs_2, fs_jpim1 |
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176 | IF ( u_ice(ji,jj) * u_ice(ji-1,jj) <= 0._wp ) THEN ; zcu_box(ji,jj) = 0._wp |
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177 | ELSEIF( u_ice(ji,jj) > 0._wp ) THEN ; zcu_box(ji,jj) = u_ice(ji-1,jj) |
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178 | ELSE ; zcu_box(ji,jj) = u_ice(ji ,jj) |
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179 | ENDIF |
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180 | |
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181 | IF ( v_ice(ji,jj) * v_ice(ji,jj-1) <= 0._wp ) THEN ; zcv_box(ji,jj) = 0._wp |
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182 | ELSEIF( v_ice(ji,jj) > 0._wp ) THEN ; zcv_box(ji,jj) = v_ice(ji,jj-1) |
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183 | ELSE ; zcv_box(ji,jj) = v_ice(ji,jj ) |
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184 | ENDIF |
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185 | END DO |
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186 | END DO |
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187 | |
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188 | ! advection |
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189 | DO jt = 1, initad |
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190 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, ato_i(:,:) ) ! Open water area |
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191 | DO jl = 1, jpl |
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192 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, a_i(:,:,jl) ) ! Ice area |
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193 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, v_i(:,:,jl) ) ! Ice volume |
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194 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, smv_i(:,:,jl) ) ! Salt content |
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195 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, oa_i (:,:,jl) ) ! Age content |
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196 | DO jk = 1, nlay_i |
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197 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, e_i(:,:,jk,jl) ) ! Ice heat content |
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198 | END DO |
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199 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, v_s(:,:,jl) ) ! Snow volume |
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200 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, e_s(:,:,1,jl) ) ! Snow heat content |
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201 | ! MV MP 2016 |
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202 | IF ( nn_pnd_scheme > 0 ) THEN |
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203 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, a_ip(:,:,jl) ) ! Melt pond fraction |
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204 | CALL ice_adv_umx( kt, zdt, zudy, zvdx, zcu_box, zcv_box, v_ip(:,:,jl) ) ! Melt pond volume |
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205 | ENDIF |
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206 | ! END MV MP 2016 |
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207 | END DO |
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208 | END DO |
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209 | ! |
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210 | at_i(:,:) = a_i(:,:,1) ! total ice fraction |
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211 | DO jl = 2, jpl |
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212 | at_i(:,:) = at_i(:,:) + a_i(:,:,jl) |
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213 | END DO |
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214 | ! |
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215 | CALL wrk_dealloc( jpi,jpj, zudy, zvdx, zcu_box, zcv_box ) |
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216 | |
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217 | !=============================! |
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218 | CASE ( -1 ) !== Prather scheme ==! |
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219 | !=============================! |
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220 | |
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221 | CALL wrk_alloc( jpi,jpj, zarea ) |
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222 | CALL wrk_alloc( jpi,jpj,1, z0opw ) |
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223 | CALL wrk_alloc( jpi,jpj,jpl, z0ice, z0snw, z0ai, z0es , z0smi , z0oi ) |
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224 | CALL wrk_alloc( jpi,jpj,jpl, z0ap , z0vp ) |
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225 | CALL wrk_alloc( jpi,jpj,nlay_i,jpl, z0ei ) |
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226 | |
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227 | IF( kt == nit000 .AND. lwp ) THEN |
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228 | WRITE(numout,*)'' |
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229 | WRITE(numout,*)'ice_adv_xy : Prather advection scheme' |
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230 | WRITE(numout,*)'~~~~~~~~~~~' |
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231 | ENDIF |
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232 | |
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233 | zarea(:,:) = e1e2t(:,:) |
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234 | |
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235 | !------------------------- |
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236 | ! transported fields |
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237 | !------------------------- |
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238 | z0opw(:,:,1) = ato_i(:,:) * e1e2t(:,:) ! Open water area |
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239 | DO jl = 1, jpl |
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240 | z0snw (:,:,jl) = v_s (:,:, jl) * e1e2t(:,:) ! Snow volume |
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241 | z0ice(:,:,jl) = v_i (:,:, jl) * e1e2t(:,:) ! Ice volume |
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242 | z0ai (:,:,jl) = a_i (:,:, jl) * e1e2t(:,:) ! Ice area |
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243 | z0smi (:,:,jl) = smv_i(:,:, jl) * e1e2t(:,:) ! Salt content |
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244 | z0oi (:,:,jl) = oa_i (:,:, jl) * e1e2t(:,:) ! Age content |
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245 | z0es (:,:,jl) = e_s (:,:,1,jl) * e1e2t(:,:) ! Snow heat content |
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246 | DO jk = 1, nlay_i |
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247 | z0ei (:,:,jk,jl) = e_i (:,:,jk,jl) * e1e2t(:,:) ! Ice heat content |
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248 | END DO |
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249 | ! MV MP 2016 |
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250 | IF ( nn_pnd_scheme > 0 ) THEN |
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251 | z0ap (:,:,jl) = a_ip (:,:,jl) * e1e2t(:,:) ! Melt pond fraction |
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252 | z0vp (:,:,jl) = v_ip (:,:,jl) * e1e2t(:,:) ! Melt pond volume |
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253 | ENDIF |
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254 | ! END MV MP 2016 |
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255 | |
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256 | END DO |
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257 | |
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258 | |
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259 | IF( MOD( ( kt - 1) / nn_fsbc , 2 ) == 0 ) THEN !== odd ice time step: adv_x then adv_y ==! |
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260 | DO jt = 1, initad |
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261 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0opw (:,:,1), sxopw(:,:), & !--- ice open water area |
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262 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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263 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0opw (:,:,1), sxopw(:,:), & |
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264 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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265 | DO jl = 1, jpl |
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266 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
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267 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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268 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & |
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269 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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270 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
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271 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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272 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & |
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273 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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274 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
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275 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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276 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & |
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277 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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278 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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279 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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280 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & |
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281 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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282 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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283 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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284 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & |
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285 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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286 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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287 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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288 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & |
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289 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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290 | DO jk = 1, nlay_i !--- ice heat contents --- |
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291 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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292 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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293 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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294 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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295 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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296 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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297 | END DO |
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298 | ! MV MP 2016 |
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299 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0ap (:,:,jl), sxap (:,:,jl), & !--- melt pond fraction -- |
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300 | & sxxap (:,:,jl), syap (:,:,jl), syyap (:,:,jl), sxyap (:,:,jl) ) |
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301 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0ap (:,:,jl), sxap (:,:,jl), & |
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302 | & sxxap (:,:,jl), syap (:,:,jl), syyap (:,:,jl), sxyap (:,:,jl) ) |
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303 | CALL ice_adv_x( zusnit, u_ice, 1._wp, zarea, z0vp (:,:,jl), sxvp (:,:,jl), & !--- melt pond volume -- |
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304 | & sxxvp (:,:,jl), syvp (:,:,jl), syyvp (:,:,jl), sxyvp (:,:,jl) ) |
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305 | CALL ice_adv_y( zusnit, v_ice, 0._wp, zarea, z0vp (:,:,jl), sxvp (:,:,jl), & |
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306 | & sxxvp (:,:,jl), syvp (:,:,jl), syyvp (:,:,jl), sxyvp (:,:,jl) ) |
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307 | ! END MV MP 2016 |
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308 | END DO |
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309 | END DO |
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310 | ELSE |
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311 | DO jt = 1, initad |
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312 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0opw (:,:,1), sxopw(:,:), & !--- ice open water area |
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313 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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314 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0opw (:,:,1), sxopw(:,:), & |
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315 | & sxxopw(:,:) , syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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316 | DO jl = 1, jpl |
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317 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
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318 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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319 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0ice (:,:,jl), sxice(:,:,jl), & |
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320 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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321 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
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322 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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323 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0snw (:,:,jl), sxsn (:,:,jl), & |
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324 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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325 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
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326 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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327 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0smi (:,:,jl), sxsal(:,:,jl), & |
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328 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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329 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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330 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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331 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0oi (:,:,jl), sxage(:,:,jl), & |
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332 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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333 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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334 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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335 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0ai (:,:,jl), sxa (:,:,jl), & |
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336 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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337 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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338 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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339 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0es (:,:,jl), sxc0 (:,:,jl), & |
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340 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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341 | DO jk = 1, nlay_i !--- ice heat contents --- |
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342 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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343 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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344 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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345 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0ei(:,:,jk,jl), sxe (:,:,jk,jl), & |
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346 | & sxxe(:,:,jk,jl), sye (:,:,jk,jl), & |
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347 | & syye(:,:,jk,jl), sxye(:,:,jk,jl) ) |
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348 | END DO |
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349 | ! MV MP 2016 |
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350 | IF ( nn_pnd_scheme > 0 ) THEN |
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351 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0ap (:,:,jl), sxap (:,:,jl), & !--- melt pond fraction --- |
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352 | & sxxap (:,:,jl), syap (:,:,jl), syyap (:,:,jl), sxyap (:,:,jl) ) |
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353 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0ap (:,:,jl), sxap (:,:,jl), & |
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354 | & sxxap (:,:,jl), syap (:,:,jl), syyap (:,:,jl), sxyap (:,:,jl) ) |
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355 | CALL ice_adv_y( zusnit, v_ice, 1._wp, zarea, z0vp (:,:,jl), sxvp (:,:,jl), & !--- melt pond volume --- |
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356 | & sxxvp (:,:,jl), syvp (:,:,jl), syyvp (:,:,jl), sxyvp (:,:,jl) ) |
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357 | CALL ice_adv_x( zusnit, u_ice, 0._wp, zarea, z0vp (:,:,jl), sxvp (:,:,jl), & |
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358 | & sxxvp (:,:,jl), syvp (:,:,jl), syyvp (:,:,jl), sxyvp (:,:,jl) ) |
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359 | ENDIF |
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360 | ! END MV MP 2016 |
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361 | END DO |
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362 | END DO |
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363 | ENDIF |
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364 | |
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365 | !------------------------------------------- |
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366 | ! Recover the properties from their contents |
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367 | !------------------------------------------- |
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368 | ato_i(:,:) = z0opw(:,:,1) * r1_e1e2t(:,:) |
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369 | DO jl = 1, jpl |
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370 | v_i (:,:, jl) = z0ice(:,:,jl) * r1_e1e2t(:,:) |
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371 | v_s (:,:, jl) = z0snw(:,:,jl) * r1_e1e2t(:,:) |
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372 | smv_i(:,:, jl) = z0smi(:,:,jl) * r1_e1e2t(:,:) |
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373 | oa_i (:,:, jl) = z0oi (:,:,jl) * r1_e1e2t(:,:) |
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374 | a_i (:,:, jl) = z0ai (:,:,jl) * r1_e1e2t(:,:) |
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375 | e_s (:,:,1,jl) = z0es (:,:,jl) * r1_e1e2t(:,:) |
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376 | DO jk = 1, nlay_i |
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377 | e_i(:,:,jk,jl) = z0ei(:,:,jk,jl) * r1_e1e2t(:,:) |
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378 | END DO |
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379 | ! MV MP 2016 |
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380 | IF ( nn_pnd_scheme > 0 ) THEN |
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381 | a_ip (:,:,jl) = z0ap (:,:,jl) * r1_e1e2t(:,:) |
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382 | v_ip (:,:,jl) = z0vp (:,:,jl) * r1_e1e2t(:,:) |
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383 | ENDIF |
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384 | ! END MV MP 2016 |
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385 | END DO |
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386 | |
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387 | at_i(:,:) = a_i(:,:,1) ! total ice fraction |
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388 | DO jl = 2, jpl |
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389 | at_i(:,:) = at_i(:,:) + a_i(:,:,jl) |
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390 | END DO |
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391 | |
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392 | CALL wrk_dealloc( jpi,jpj, zarea ) |
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393 | CALL wrk_dealloc( jpi,jpj,1, z0opw ) |
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394 | CALL wrk_dealloc( jpi,jpj,jpl, z0ice, z0snw, z0ai, z0es , z0smi , z0oi ) |
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395 | ! MV MP 2016 |
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396 | CALL wrk_dealloc( jpi,jpj,jpl, z0ap , z0vp ) |
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397 | ! END MV MP 2016 |
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398 | CALL wrk_dealloc( jpi,jpj,nlay_i,jpl, z0ei ) |
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399 | |
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400 | END SELECT |
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401 | |
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402 | ! --- diags --- |
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403 | DO jj = 1, jpj |
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404 | DO ji = 1, jpi |
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405 | diag_trp_ei (ji,jj) = ( SUM( e_i (ji,jj,1:nlay_i,:) ) - zeiold(ji,jj) ) * r1_rdtice |
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406 | diag_trp_es (ji,jj) = ( SUM( e_s (ji,jj,1:nlay_s,:) ) - zesold(ji,jj) ) * r1_rdtice |
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407 | diag_trp_smv(ji,jj) = ( SUM( smv_i(ji,jj,:) ) - zsmvold(ji,jj) ) * r1_rdtice |
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408 | diag_trp_vi (ji,jj) = SUM( v_i(ji,jj,:) - zviold(ji,jj,:) ) * r1_rdtice |
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409 | diag_trp_vs (ji,jj) = SUM( v_s(ji,jj,:) - zvsold(ji,jj,:) ) * r1_rdtice |
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410 | END DO |
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411 | END DO |
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412 | |
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413 | IF( nn_limdyn == 2) THEN |
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414 | |
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415 | ! zap small areas |
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416 | CALL lim_var_zapsmall |
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417 | |
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418 | !--- Thickness correction in case too high --- ! |
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419 | DO jl = 1, jpl |
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420 | DO jj = 1, jpj |
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421 | DO ji = 1, jpi |
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422 | |
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423 | IF ( v_i(ji,jj,jl) > 0._wp ) THEN |
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424 | |
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425 | rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi20 ) ) |
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426 | ht_i (ji,jj,jl) = v_i (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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427 | ht_s (ji,jj,jl) = v_s (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch |
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428 | |
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429 | zdv = v_i(ji,jj,jl) + v_s(ji,jj,jl) - zviold(ji,jj,jl) - zvsold(ji,jj,jl) |
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430 | |
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431 | IF ( ( zdv > 0.0 .AND. (ht_i(ji,jj,jl)+ht_s(ji,jj,jl)) > zhimax(ji,jj,jl) .AND. zatold(ji,jj) < 0.80 ) .OR. & |
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432 | & ( zdv <= 0.0 .AND. (ht_i(ji,jj,jl)+ht_s(ji,jj,jl)) > zhimax(ji,jj,jl) ) ) THEN |
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433 | |
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434 | rswitch = MAX( 0._wp, SIGN( 1._wp, zhimax(ji,jj,jl) - epsi20 ) ) |
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435 | a_i(ji,jj,jl) = rswitch * ( v_i(ji,jj,jl) + v_s(ji,jj,jl) ) / MAX( zhimax(ji,jj,jl), epsi20 ) |
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436 | |
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437 | ! small correction due to *rswitch for a_i |
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438 | v_i (ji,jj,jl) = rswitch * v_i (ji,jj,jl) |
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439 | v_s (ji,jj,jl) = rswitch * v_s (ji,jj,jl) |
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440 | smv_i(ji,jj,jl) = rswitch * smv_i(ji,jj,jl) |
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441 | e_s(ji,jj,1,jl) = rswitch * e_s(ji,jj,1,jl) |
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442 | e_i(ji,jj,1:nlay_i,jl) = rswitch * e_i(ji,jj,1:nlay_i,jl) |
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443 | |
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444 | ! MV MP 2016 |
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445 | IF ( nn_pnd_scheme > 0 ) THEN |
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446 | a_ip (ji,jj,jl) = rswitch * a_ip (ji,jj,jl) |
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447 | v_ip (ji,jj,jl) = rswitch * v_ip (ji,jj,jl) |
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448 | ENDIF |
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449 | ! END MV MP 2016 |
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450 | |
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451 | ENDIF |
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452 | |
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453 | ENDIF |
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454 | |
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455 | END DO |
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456 | END DO |
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457 | END DO |
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458 | ! ------------------------------------------------- |
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459 | |
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460 | ! Force the upper limit of ht_i to always be < hi_max (99 m). |
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461 | DO jj = 1, jpj |
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462 | DO ji = 1, jpi |
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463 | ! MV MP 2016 |
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464 | za_old = a_i(ji,jj,jpl) |
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465 | ! END MV MP 2016 |
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466 | rswitch = MAX( 0._wp , SIGN( 1._wp, ht_i(ji,jj,jpl) - epsi20 ) ) |
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467 | ht_i(ji,jj,jpl) = MIN( ht_i(ji,jj,jpl) , hi_max(jpl) ) |
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468 | a_i (ji,jj,jpl) = v_i(ji,jj,jpl) / MAX( ht_i(ji,jj,jpl) , epsi20 ) * rswitch |
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469 | ! MV MP 2016 |
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470 | IF ( nn_pnd_scheme > 0 ) THEN |
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471 | ! correct pond fraction to avoid a_ip > a_i |
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472 | a_ip(ji,jj,jpl) = a_ip(ji,jj,jpl) * a_i(ji,jj,jpl) / MAX( za_old , epsi20 ) * rswitch |
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473 | ENDIF |
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474 | ! END MP 2016 |
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475 | END DO |
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476 | END DO |
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477 | |
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478 | |
---|
479 | ENDIF |
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480 | |
---|
481 | !------------------------------------------------------------ |
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482 | ! Impose a_i < amax if no ridging/rafting or in mono-category |
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483 | !------------------------------------------------------------ |
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484 | ! |
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485 | at_i(:,:) = SUM( a_i(:,:,:), dim=3 ) |
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486 | IF ( nn_limdyn == 1 .OR. ( ( nn_monocat == 2 ) .AND. ( jpl == 1 ) ) ) THEN ! simple conservative piling, comparable with LIM2 |
---|
487 | DO jl = 1, jpl |
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488 | DO jj = 1, jpj |
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489 | DO ji = 1, jpi |
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490 | rswitch = MAX( 0._wp, SIGN( 1._wp, at_i(ji,jj) - epsi20 ) ) |
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491 | zda = rswitch * MIN( rn_amax_2d(ji,jj) - at_i(ji,jj), 0._wp ) & |
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492 | & * a_i(ji,jj,jl) / MAX( at_i(ji,jj), epsi20 ) |
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493 | a_i(ji,jj,jl) = a_i(ji,jj,jl) + zda |
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494 | END DO |
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495 | END DO |
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496 | END DO |
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497 | ENDIF |
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498 | |
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499 | ! --- agglomerate variables ----------------- |
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500 | vt_i(:,:) = SUM( v_i(:,:,:), dim=3 ) |
---|
501 | vt_s(:,:) = SUM( v_s(:,:,:), dim=3 ) |
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502 | at_i(:,:) = SUM( a_i(:,:,:), dim=3 ) |
---|
503 | |
---|
504 | ! MV MP 2016 (remove once we get rid of a_i_frac and ht_i) |
---|
505 | IF ( nn_pnd_scheme > 0 ) THEN |
---|
506 | at_ip(:,:) = SUM( a_ip(:,:,:), dim = 3 ) |
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507 | vt_ip(:,:) = SUM( v_ip(:,:,:), dim = 3 ) |
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508 | ENDIF |
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509 | ! END MP 2016 |
---|
510 | |
---|
511 | ! --- open water = 1 if at_i=0 -------------------------------- |
---|
512 | WHERE( at_i == 0._wp ) ato_i = 1._wp |
---|
513 | |
---|
514 | ! conservation test |
---|
515 | IF( ln_limdiachk ) CALL lim_cons_hsm(1, 'iceadv', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) |
---|
516 | |
---|
517 | ! ------------------------------------------------- |
---|
518 | ! control prints |
---|
519 | ! ------------------------------------------------- |
---|
520 | IF( ln_limctl ) CALL lim_prt( kt, iiceprt, jiceprt,-1, ' - ice dyn & trp - ' ) |
---|
521 | ! |
---|
522 | IF( nn_timing == 1 ) CALL timing_stop('iceadv') |
---|
523 | ! |
---|
524 | END SUBROUTINE ice_adv |
---|
525 | |
---|
526 | #else |
---|
527 | !!---------------------------------------------------------------------- |
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528 | !! Default option Empty Module No sea-ice model |
---|
529 | !!---------------------------------------------------------------------- |
---|
530 | CONTAINS |
---|
531 | SUBROUTINE ice_adv ! Empty routine |
---|
532 | END SUBROUTINE ice_adv |
---|
533 | #endif |
---|
534 | !!====================================================================== |
---|
535 | END MODULE iceadv |
---|
536 | |
---|