1 | MODULE limtrp |
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2 | !!====================================================================== |
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3 | !! *** MODULE limtrp *** |
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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 | !! lim_trp : 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 ! ocean surface boundary condition |
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19 | USE par_ice ! ice parameter |
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20 | USE dom_ice ! ice domain |
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21 | USE ice ! ice variables |
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22 | USE limadv ! ice advection |
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23 | USE limhdf ! ice horizontal diffusion |
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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 limvar ! clem for ice thickness correction |
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31 | USE timing ! Timing |
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32 | |
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33 | IMPLICIT NONE |
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34 | PRIVATE |
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35 | |
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36 | PUBLIC lim_trp ! called by ice_step |
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37 | |
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38 | REAL(wp) :: epsi10 = 1.e-10_wp |
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39 | REAL(wp) :: rzero = 0._wp |
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40 | REAL(wp) :: rone = 1._wp |
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41 | |
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42 | !! * Substitution |
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43 | # include "vectopt_loop_substitute.h90" |
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44 | !!---------------------------------------------------------------------- |
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45 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) |
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46 | !! $Id$ |
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47 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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48 | !!---------------------------------------------------------------------- |
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49 | CONTAINS |
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50 | |
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51 | SUBROUTINE lim_trp( kt ) |
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52 | !!------------------------------------------------------------------- |
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53 | !! *** ROUTINE lim_trp *** |
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54 | !! |
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55 | !! ** purpose : advection/diffusion process of sea ice |
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56 | !! |
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57 | !! ** method : variables included in the process are scalar, |
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58 | !! other values are considered as second order. |
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59 | !! For advection, a second order Prather scheme is used. |
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60 | !! |
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61 | !! ** action : |
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62 | !!--------------------------------------------------------------------- |
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63 | INTEGER, INTENT(in) :: kt ! number of iteration |
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64 | ! |
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65 | INTEGER :: ji, jj, jk, jl, layer ! dummy loop indices |
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66 | INTEGER :: initad ! number of sub-timestep for the advection |
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67 | INTEGER :: ierr ! error status |
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68 | REAL(wp) :: zindb , zindsn , zindic, zindh, zinda ! local scalar |
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69 | REAL(wp) :: zusvosn, zusvoic, zbigval ! - - |
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70 | REAL(wp) :: zcfl , zusnit ! - - |
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71 | REAL(wp) :: ze , zsal , zage ! - - |
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72 | ! |
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73 | REAL(wp), POINTER, DIMENSION(:,:) :: zui_u, zvi_v, zsm, zs0at, zs0ow |
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74 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zs0ice, zs0sn, zs0a, zs0c0 , zs0sm , zs0oi |
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75 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: zs0e |
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76 | REAL(wp) :: zchk_v_i, zchk_smv, zchk_fs, zchk_fw, zchk_v_i_b, zchk_smv_b, zchk_fs_b, zchk_fw_b ! Check conservation (C Rousset) |
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77 | REAL(wp) :: zchk_vmin, zchk_amin, zchk_amax, zchk_umax ! Check errors (C Rousset) |
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78 | ! mass and salt flux (clem) |
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79 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zviold ! old ice volume... |
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80 | ! correct ice thickness (clem) |
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81 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zaiold, zhimax ! old ice concentration and thickness |
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82 | REAL(wp) :: zdv, zda, zvi, zvs, zsmv |
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83 | !!--------------------------------------------------------------------- |
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84 | IF( nn_timing == 1 ) CALL timing_start('limtrp') |
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85 | |
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86 | CALL wrk_alloc( jpi, jpj, zui_u, zvi_v, zsm, zs0at, zs0ow ) |
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87 | CALL wrk_alloc( jpi, jpj, jpl, zs0ice, zs0sn, zs0a, zs0c0 , zs0sm , zs0oi ) |
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88 | CALL wrk_alloc( jpi, jpj, jkmax, jpl, zs0e ) |
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89 | |
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90 | CALL wrk_alloc( jpi,jpj,jpl,zviold ) ! clem |
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91 | CALL wrk_alloc( jpi,jpj,jpl,zaiold, zhimax ) ! clem |
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92 | |
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93 | ! ------------------------------- |
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94 | !- check conservation (C Rousset) |
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95 | IF( ln_limdiahsb ) THEN |
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96 | zchk_v_i_b = glob_sum( SUM( v_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) |
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97 | zchk_smv_b = glob_sum( SUM( smv_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) |
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98 | zchk_fw_b = glob_sum( rdm_ice(:,:) * area(:,:) * tms(:,:) ) |
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99 | zchk_fs_b = glob_sum( ( sfx_bri(:,:) + sfx_thd(:,:) + sfx_res(:,:) + sfx_mec(:,:) ) * area(:,:) * tms(:,:) ) |
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100 | ENDIF |
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101 | !- check conservation (C Rousset) |
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102 | ! ------------------------------- |
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103 | |
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104 | IF( numit == nstart .AND. lwp ) THEN |
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105 | WRITE(numout,*) |
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106 | IF( ln_limdyn ) THEN ; WRITE(numout,*) 'lim_trp : Ice transport ' |
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107 | ELSE ; WRITE(numout,*) 'lim_trp : No ice advection as ln_limdyn = ', ln_limdyn |
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108 | ENDIF |
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109 | WRITE(numout,*) '~~~~~~~~~~~~' |
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110 | ENDIF |
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111 | |
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112 | zsm(:,:) = area(:,:) |
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113 | |
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114 | ! !-------------------------------------! |
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115 | IF( ln_limdyn ) THEN ! Advection of sea ice properties ! |
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116 | ! !-------------------------------------! |
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117 | ! mass and salt flux init (clem) |
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118 | zviold(:,:,:) = v_i(:,:,:) |
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119 | |
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120 | !--- Thickness correction init. (clem) ------------------------------- |
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121 | CALL lim_var_glo2eqv |
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122 | zaiold(:,:,:) = a_i(:,:,:) |
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123 | !--------------------------------------------------------------------- |
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124 | ! Record max of the surrounding ice thicknesses for correction in limupdate |
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125 | ! in case advection creates ice too thick. |
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126 | !--------------------------------------------------------------------- |
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127 | zhimax(:,:,:) = ht_i(:,:,:) |
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128 | DO jl = 1, jpl |
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129 | DO jj = 2, jpjm1 |
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130 | DO ji = 2, jpim1 |
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131 | zhimax(ji,jj,jl) = MAXVAL( ht_i(ji-1:ji+1,jj-1:jj+1,jl) ) |
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132 | !zhimax(ji,jj,jl) = ( ht_i(ji ,jj ,jl) * tmask(ji, jj ,1) + ht_i(ji-1,jj-1,jl) * tmask(ji-1,jj-1,1) + ht_i(ji+1,jj+1,jl) * tmask(ji+1,jj+1,1) & |
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133 | ! & + ht_i(ji-1,jj ,jl) * tmask(ji-1,jj ,1) + ht_i(ji ,jj-1,jl) * tmask(ji ,jj-1,1) & |
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134 | ! & + ht_i(ji+1,jj ,jl) * tmask(ji+1,jj ,1) + ht_i(ji ,jj+1,jl) * tmask(ji ,jj+1,1) & |
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135 | ! & + ht_i(ji-1,jj+1,jl) * tmask(ji-1,jj+1,1) + ht_i(ji+1,jj-1,jl) * tmask(ji+1,jj-1,1) ) |
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136 | END DO |
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137 | END DO |
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138 | CALL lbc_lnk(zhimax(:,:,jl),'T',1.) |
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139 | END DO |
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140 | |
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141 | !------------------------- |
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142 | ! transported fields |
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143 | !------------------------- |
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144 | ! Snow vol, ice vol, salt and age contents, area |
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145 | zs0ow(:,:) = ato_i(:,:) * area(:,:) ! Open water area |
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146 | DO jl = 1, jpl |
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147 | zs0sn (:,:,jl) = v_s (:,:,jl) * area(:,:) ! Snow volume |
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148 | zs0ice(:,:,jl) = v_i (:,:,jl) * area(:,:) ! Ice volume |
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149 | zs0a (:,:,jl) = a_i (:,:,jl) * area(:,:) ! Ice area |
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150 | zs0sm (:,:,jl) = smv_i(:,:,jl) * area(:,:) ! Salt content |
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151 | zs0oi (:,:,jl) = oa_i (:,:,jl) * area(:,:) ! Age content |
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152 | zs0c0 (:,:,jl) = e_s (:,:,1,jl) ! Snow heat content |
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153 | zs0e (:,:,:,jl) = e_i (:,:,:,jl) ! Ice heat content |
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154 | END DO |
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155 | |
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156 | !-------------------------- |
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157 | ! Advection of Ice fields (Prather scheme) |
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158 | !-------------------------- |
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159 | ! If ice drift field is too fast, use an appropriate time step for advection. |
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160 | ! CFL test for stability |
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161 | zcfl = MAXVAL( ABS( u_ice(:,:) ) * rdt_ice / e1u(:,:) ) |
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162 | zcfl = MAX( zcfl, MAXVAL( ABS( v_ice(:,:) ) * rdt_ice / e2v(:,:) ) ) |
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163 | IF(lk_mpp ) CALL mpp_max( zcfl ) |
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164 | !!gm more readability: |
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165 | ! IF( zcfl > 0.5 ) THEN ; initad = 2 ; zusnit = 0.5_wp |
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166 | ! ELSE ; initad = 1 ; zusnit = 1.0_wp |
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167 | ! ENDIF |
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168 | !!gm end |
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169 | initad = 1 + NINT( MAX( rzero, SIGN( rone, zcfl-0.5 ) ) ) |
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170 | zusnit = 1.0 / REAL( initad ) |
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171 | IF( zcfl > 0.5 .AND. lwp ) & |
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172 | WRITE(numout,*) 'lim_trp : CFL violation at day ', nday, ', cfl = ', zcfl, & |
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173 | & ': the ice time stepping is split in two' |
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174 | |
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175 | IF( MOD( ( kt - 1) / nn_fsbc , 2 ) == 0 ) THEN !== odd ice time step: adv_x then adv_y ==! |
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176 | DO jk = 1,initad |
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177 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0ow (:,:), sxopw(:,:), & !--- ice open water area |
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178 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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179 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0ow (:,:), sxopw(:,:), & |
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180 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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181 | DO jl = 1, jpl |
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182 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0ice(:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
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183 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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184 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0ice(:,:,jl), sxice(:,:,jl), & |
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185 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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186 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
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187 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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188 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & |
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189 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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190 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
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191 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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192 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & |
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193 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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194 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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195 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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196 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0oi (:,:,jl), sxage(:,:,jl), & |
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197 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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198 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0a (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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199 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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200 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0a (:,:,jl), sxa (:,:,jl), & |
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201 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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202 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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203 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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204 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & |
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205 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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206 | DO layer = 1, nlay_i !--- ice heat contents --- |
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207 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0e(:,:,layer,jl), sxe (:,:,layer,jl), & |
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208 | & sxxe(:,:,layer,jl), sye (:,:,layer,jl), & |
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209 | & syye(:,:,layer,jl), sxye(:,:,layer,jl) ) |
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210 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0e(:,:,layer,jl), sxe (:,:,layer,jl), & |
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211 | & sxxe(:,:,layer,jl), sye (:,:,layer,jl), & |
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212 | & syye(:,:,layer,jl), sxye(:,:,layer,jl) ) |
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213 | END DO |
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214 | END DO |
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215 | END DO |
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216 | ELSE |
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217 | DO jk = 1, initad |
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218 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0ow (:,:), sxopw(:,:), & !--- ice open water area |
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219 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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220 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0ow (:,:), sxopw(:,:), & |
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221 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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222 | DO jl = 1, jpl |
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223 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0ice(:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
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224 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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225 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0ice(:,:,jl), sxice(:,:,jl), & |
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226 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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227 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
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228 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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229 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & |
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230 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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231 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
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232 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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233 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & |
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234 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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235 | |
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236 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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237 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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238 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0oi (:,:,jl), sxage(:,:,jl), & |
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239 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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240 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0a (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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241 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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242 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0a (:,:,jl), sxa (:,:,jl), & |
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243 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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244 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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245 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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246 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & |
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247 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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248 | DO layer = 1, nlay_i !--- ice heat contents --- |
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249 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0e(:,:,layer,jl), sxe (:,:,layer,jl), & |
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250 | & sxxe(:,:,layer,jl), sye (:,:,layer,jl), & |
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251 | & syye(:,:,layer,jl), sxye(:,:,layer,jl) ) |
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252 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0e(:,:,layer,jl), sxe (:,:,layer,jl), & |
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253 | & sxxe(:,:,layer,jl), sye (:,:,layer,jl), & |
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254 | & syye(:,:,layer,jl), sxye(:,:,layer,jl) ) |
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255 | END DO |
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256 | END DO |
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257 | END DO |
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258 | ENDIF |
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259 | |
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260 | !------------------------------------------- |
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261 | ! Recover the properties from their contents |
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262 | !------------------------------------------- |
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263 | zs0ow(:,:) = zs0ow(:,:) / area(:,:) |
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264 | DO jl = 1, jpl |
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265 | zs0ice(:,:,jl) = zs0ice(:,:,jl) / area(:,:) |
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266 | zs0sn (:,:,jl) = zs0sn (:,:,jl) / area(:,:) |
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267 | zs0sm (:,:,jl) = zs0sm (:,:,jl) / area(:,:) |
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268 | zs0oi (:,:,jl) = zs0oi (:,:,jl) / area(:,:) |
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269 | zs0a (:,:,jl) = zs0a (:,:,jl) / area(:,:) |
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270 | zs0c0 (:,:,jl) = zs0c0 (:,:,jl) / area(:,:) |
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271 | DO jk = 1, nlay_i |
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272 | zs0e(:,:,jk,jl) = zs0e(:,:,jk,jl) / area(:,:) |
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273 | END DO |
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274 | END DO |
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275 | |
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276 | !------------------------------------------------------------------------------! |
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277 | ! 4) Diffusion of Ice fields |
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278 | !------------------------------------------------------------------------------! |
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279 | |
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280 | !-------------------------------- |
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281 | ! diffusion of open water area |
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282 | !-------------------------------- |
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283 | zs0at(:,:) = zs0a(:,:,1) ! total ice fraction |
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284 | DO jl = 2, jpl |
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285 | zs0at(:,:) = zs0at(:,:) + zs0a(:,:,jl) |
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286 | END DO |
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287 | ! |
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288 | ! ! Masked eddy diffusivity coefficient at ocean U- and V-points |
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289 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
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290 | DO ji = 1 , fs_jpim1 ! vector opt. |
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291 | pahu(ji,jj) = ( 1._wp - MAX( rzero, SIGN( rone, -zs0at(ji ,jj) ) ) ) & |
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292 | & * ( 1._wp - MAX( rzero, SIGN( rone, -zs0at(ji+1,jj) ) ) ) * ahiu(ji,jj) |
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293 | pahv(ji,jj) = ( 1._wp - MAX( rzero, SIGN( rone, -zs0at(ji,jj ) ) ) ) & |
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294 | & * ( 1._wp - MAX( rzero, SIGN( rone,- zs0at(ji,jj+1) ) ) ) * ahiv(ji,jj) |
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295 | END DO |
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296 | END DO |
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297 | ! |
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298 | CALL lim_hdf( zs0ow (:,:) ) ! Diffusion |
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299 | |
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300 | !------------------------------------ |
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301 | ! Diffusion of other ice variables |
---|
302 | !------------------------------------ |
---|
303 | DO jl = 1, jpl |
---|
304 | ! ! Masked eddy diffusivity coefficient at ocean U- and V-points |
---|
305 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
---|
306 | DO ji = 1 , fs_jpim1 ! vector opt. |
---|
307 | pahu(ji,jj) = ( 1._wp - MAX( rzero, SIGN( rone, -zs0a(ji ,jj,jl) ) ) ) & |
---|
308 | & * ( 1._wp - MAX( rzero, SIGN( rone, -zs0a(ji+1,jj,jl) ) ) ) * ahiu(ji,jj) |
---|
309 | pahv(ji,jj) = ( 1._wp - MAX( rzero, SIGN( rone, -zs0a(ji,jj ,jl) ) ) ) & |
---|
310 | & * ( 1._wp - MAX( rzero, SIGN( rone,- zs0a(ji,jj+1,jl) ) ) ) * ahiv(ji,jj) |
---|
311 | END DO |
---|
312 | END DO |
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313 | |
---|
314 | CALL lim_hdf( zs0ice (:,:,jl) ) |
---|
315 | CALL lim_hdf( zs0sn (:,:,jl) ) |
---|
316 | CALL lim_hdf( zs0sm (:,:,jl) ) |
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317 | CALL lim_hdf( zs0oi (:,:,jl) ) |
---|
318 | CALL lim_hdf( zs0a (:,:,jl) ) |
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319 | CALL lim_hdf( zs0c0 (:,:,jl) ) |
---|
320 | DO jk = 1, nlay_i |
---|
321 | CALL lim_hdf( zs0e (:,:,jk,jl) ) |
---|
322 | END DO |
---|
323 | END DO |
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324 | |
---|
325 | !------------------------------------------------------------------------------! |
---|
326 | ! 5) Update and limit ice properties after transport |
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327 | !------------------------------------------------------------------------------! |
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328 | |
---|
329 | !-------------------------------------------------- |
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330 | ! 5.1) Recover mean values over the grid squares. |
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331 | !-------------------------------------------------- |
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332 | zs0at(:,:) = 0._wp |
---|
333 | DO jl = 1, jpl |
---|
334 | DO jj = 1, jpj |
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335 | DO ji = 1, jpi |
---|
336 | zs0sn (ji,jj,jl) = MAX( rzero, zs0sn (ji,jj,jl) ) |
---|
337 | zs0ice(ji,jj,jl) = MAX( rzero, zs0ice(ji,jj,jl) ) |
---|
338 | zs0sm (ji,jj,jl) = MAX( rzero, zs0sm (ji,jj,jl) ) |
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339 | zs0oi (ji,jj,jl) = MAX( rzero, zs0oi (ji,jj,jl) ) |
---|
340 | zs0a (ji,jj,jl) = MAX( rzero, zs0a (ji,jj,jl) ) |
---|
341 | zs0c0 (ji,jj,jl) = MAX( rzero, zs0c0 (ji,jj,jl) ) |
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342 | zs0at (ji,jj) = zs0at(ji,jj) + zs0a(ji,jj,jl) |
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343 | END DO |
---|
344 | END DO |
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345 | END DO |
---|
346 | |
---|
347 | !--------------------------------------------------------- |
---|
348 | ! 5.2) Snow thickness, Ice thickness, Ice concentrations |
---|
349 | !--------------------------------------------------------- |
---|
350 | DO jj = 1, jpj |
---|
351 | DO ji = 1, jpi |
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352 | zindb = MAX( 0._wp , SIGN( 1.0, zs0at(ji,jj) - epsi10) ) |
---|
353 | zs0ow(ji,jj) = ( 1._wp - zindb ) + zindb * MAX( zs0ow(ji,jj), 0._wp ) |
---|
354 | ato_i(ji,jj) = zs0ow(ji,jj) |
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355 | END DO |
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356 | END DO |
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357 | |
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358 | DO jl = 1, jpl ! Remove very small areas |
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359 | DO jj = 1, jpj |
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360 | DO ji = 1, jpi |
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361 | zvi = zs0ice(ji,jj,jl) |
---|
362 | zvs = zs0sn(ji,jj,jl) |
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363 | ! |
---|
364 | zindb = MAX( 0.0 , SIGN( 1.0, zs0a(ji,jj,jl) - epsi10) ) |
---|
365 | ! |
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366 | v_s(ji,jj,jl) = zindb * zs0sn (ji,jj,jl) |
---|
367 | v_i(ji,jj,jl) = zindb * zs0ice(ji,jj,jl) |
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368 | ! |
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369 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - epsi10 ) ) |
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370 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - epsi10 ) ) |
---|
371 | zindb = MAX( zindsn, zindic ) |
---|
372 | ! |
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373 | zs0a(ji,jj,jl) = zindb * zs0a(ji,jj,jl) !ice concentration |
---|
374 | a_i (ji,jj,jl) = zs0a(ji,jj,jl) |
---|
375 | v_s (ji,jj,jl) = zindsn * v_s(ji,jj,jl) |
---|
376 | v_i (ji,jj,jl) = zindic * v_i(ji,jj,jl) |
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377 | ! |
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378 | ! Update mass fluxes (clem) |
---|
379 | rdm_ice(ji,jj) = rdm_ice(ji,jj) + ( v_i(ji,jj,jl) - zvi ) * rhoic |
---|
380 | rdm_snw(ji,jj) = rdm_snw(ji,jj) + ( v_s(ji,jj,jl) - zvs ) * rhosn |
---|
381 | END DO |
---|
382 | END DO |
---|
383 | END DO |
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384 | |
---|
385 | !--- Thickness correction in case too high (clem) -------------------------------------------------------- |
---|
386 | CALL lim_var_glo2eqv |
---|
387 | DO jl = 1, jpl |
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388 | DO jj = 1, jpj |
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389 | DO ji = 1, jpi |
---|
390 | |
---|
391 | IF ( v_i(ji,jj,jl) > 0._wp ) THEN |
---|
392 | zvi = v_i(ji,jj,jl) |
---|
393 | zvs = v_s(ji,jj,jl) |
---|
394 | zdv = v_i(ji,jj,jl) - zviold(ji,jj,jl) |
---|
395 | !zda = a_i(ji,jj,jl) - zaiold(ji,jj,jl) |
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396 | |
---|
397 | zindh = 1._wp |
---|
398 | IF ( ( zdv > 0.0 .AND. ht_i(ji,jj,jl) > zhimax(ji,jj,jl) .AND. SUM( zaiold(ji,jj,1:jpl) ) < 0.80 ) .OR. & |
---|
399 | & ( zdv < 0.0 .AND. ht_i(ji,jj,jl) > zhimax(ji,jj,jl) ) ) THEN |
---|
400 | ht_i(ji,jj,jl) = MIN( zhimax(ji,jj,jl), hi_max(jl) ) |
---|
401 | zindh = MAX( rzero, SIGN( rone, ht_i(ji,jj,jl) - epsi10 ) ) |
---|
402 | a_i(ji,jj,jl) = zindh * v_i(ji,jj,jl) / MAX( ht_i(ji,jj,jl), epsi10 ) |
---|
403 | ELSE |
---|
404 | ht_i(ji,jj,jl) = MAX( MIN( ht_i(ji,jj,jl), hi_max(jl) ), hi_max(jl-1) ) |
---|
405 | zindh = MAX( rzero, SIGN( rone, ht_i(ji,jj,jl) - epsi10 ) ) |
---|
406 | a_i(ji,jj,jl) = zindh * v_i(ji,jj,jl) / MAX( ht_i(ji,jj,jl), epsi10 ) |
---|
407 | ENDIF |
---|
408 | |
---|
409 | ! small correction due to *zindh for a_i |
---|
410 | v_i(ji,jj,jl) = zindh * v_i(ji,jj,jl) |
---|
411 | v_s(ji,jj,jl) = zindh * v_s(ji,jj,jl) |
---|
412 | |
---|
413 | ! Update mass fluxes |
---|
414 | rdm_ice(ji,jj) = rdm_ice(ji,jj) + ( v_i(ji,jj,jl) - zvi ) * rhoic |
---|
415 | rdm_snw(ji,jj) = rdm_snw(ji,jj) + ( v_s(ji,jj,jl) - zvs ) * rhosn |
---|
416 | |
---|
417 | ENDIF |
---|
418 | |
---|
419 | diag_trp_vi(ji,jj) = diag_trp_vi(ji,jj) + ( v_i(ji,jj,jl) - zviold(ji,jj,jl) ) * r1_rdtice |
---|
420 | |
---|
421 | END DO |
---|
422 | END DO |
---|
423 | END DO |
---|
424 | |
---|
425 | ! --- |
---|
426 | DO jj = 1, jpj |
---|
427 | DO ji = 1, jpi |
---|
428 | zs0at(ji,jj) = SUM( zs0a(ji,jj,1:jpl) ) ! clem@useless?? |
---|
429 | END DO |
---|
430 | END DO |
---|
431 | |
---|
432 | !---------------------- |
---|
433 | ! 5.3) Ice properties |
---|
434 | !---------------------- |
---|
435 | |
---|
436 | zbigval = 1.e+13 |
---|
437 | |
---|
438 | DO jl = 1, jpl |
---|
439 | DO jj = 1, jpj |
---|
440 | DO ji = 1, jpi |
---|
441 | zsmv = zs0sm(ji,jj,jl) |
---|
442 | |
---|
443 | ! Switches and dummy variables |
---|
444 | zusvosn = 1.0/MAX( v_s(ji,jj,jl) , epsi10 ) |
---|
445 | zusvoic = 1.0/MAX( v_i(ji,jj,jl) , epsi10 ) |
---|
446 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - epsi10 ) ) |
---|
447 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - epsi10 ) ) |
---|
448 | zindb = MAX( zindsn, zindic ) |
---|
449 | |
---|
450 | ! Ice salinity and age |
---|
451 | !clem zsal = MAX( MIN( (rhoic-rhosn)/rhoic*sss_m(ji,jj), zusvoic * zs0sm(ji,jj,jl) ), s_i_min ) * v_i(ji,jj,jl) |
---|
452 | IF( num_sal == 2 ) THEN |
---|
453 | smv_i(ji,jj,jl) = MAX( MIN( s_i_max * v_i(ji,jj,jl), zsmv ), s_i_min * v_i(ji,jj,jl) ) |
---|
454 | ENDIF |
---|
455 | |
---|
456 | zage = MAX( MIN( zbigval, zs0oi(ji,jj,jl) / MAX( a_i(ji,jj,jl), epsi10 ) ), 0._wp ) * a_i(ji,jj,jl) |
---|
457 | oa_i (ji,jj,jl) = zindic * zage |
---|
458 | |
---|
459 | ! Snow heat content |
---|
460 | ze = MIN( MAX( 0.0, zs0c0(ji,jj,jl)*area(ji,jj) ), zbigval ) |
---|
461 | e_s(ji,jj,1,jl) = zindsn * ze |
---|
462 | |
---|
463 | ! Update salt fluxes (clem) |
---|
464 | sfx_res(ji,jj) = sfx_res(ji,jj) - ( smv_i(ji,jj,jl) - zsmv ) * rhoic * r1_rdtice |
---|
465 | END DO !ji |
---|
466 | END DO !jj |
---|
467 | END DO ! jl |
---|
468 | |
---|
469 | DO jl = 1, jpl |
---|
470 | DO jk = 1, nlay_i |
---|
471 | DO jj = 1, jpj |
---|
472 | DO ji = 1, jpi |
---|
473 | ! Ice heat content |
---|
474 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - epsi10 ) ) |
---|
475 | ze = MIN( MAX( 0.0, zs0e(ji,jj,jk,jl)*area(ji,jj) ), zbigval ) |
---|
476 | e_i(ji,jj,jk,jl) = zindic * ze |
---|
477 | END DO !ji |
---|
478 | END DO ! jj |
---|
479 | END DO ! jk |
---|
480 | END DO ! jl |
---|
481 | |
---|
482 | |
---|
483 | ! --- agglomerate variables (clem) ----------------- |
---|
484 | vt_i (:,:) = 0._wp |
---|
485 | vt_s (:,:) = 0._wp |
---|
486 | at_i (:,:) = 0._wp |
---|
487 | ! |
---|
488 | DO jl = 1, jpl |
---|
489 | DO jj = 1, jpj |
---|
490 | DO ji = 1, jpi |
---|
491 | ! |
---|
492 | vt_i(ji,jj) = vt_i(ji,jj) + v_i(ji,jj,jl) ! ice volume |
---|
493 | vt_s(ji,jj) = vt_s(ji,jj) + v_s(ji,jj,jl) ! snow volume |
---|
494 | at_i(ji,jj) = at_i(ji,jj) + a_i(ji,jj,jl) ! ice concentration |
---|
495 | ! |
---|
496 | zinda = MAX( rzero , SIGN( rone , at_i(ji,jj) - epsi10 ) ) |
---|
497 | icethi(ji,jj) = vt_i(ji,jj) / MAX( at_i(ji,jj) , epsi10 ) * zinda ! ice thickness |
---|
498 | END DO |
---|
499 | END DO |
---|
500 | END DO |
---|
501 | ! ------------------------------------------------- |
---|
502 | |
---|
503 | |
---|
504 | |
---|
505 | ENDIF |
---|
506 | |
---|
507 | IF(ln_ctl) THEN ! Control print |
---|
508 | CALL prt_ctl_info(' ') |
---|
509 | CALL prt_ctl_info(' - Cell values : ') |
---|
510 | CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') |
---|
511 | CALL prt_ctl(tab2d_1=area , clinfo1=' lim_trp : cell area :') |
---|
512 | CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_trp : at_i :') |
---|
513 | CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_trp : vt_i :') |
---|
514 | CALL prt_ctl(tab2d_1=vt_s , clinfo1=' lim_trp : vt_s :') |
---|
515 | DO jl = 1, jpl |
---|
516 | CALL prt_ctl_info(' ') |
---|
517 | CALL prt_ctl_info(' - Category : ', ivar1=jl) |
---|
518 | CALL prt_ctl_info(' ~~~~~~~~~~') |
---|
519 | CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_trp : a_i : ') |
---|
520 | CALL prt_ctl(tab2d_1=ht_i (:,:,jl) , clinfo1= ' lim_trp : ht_i : ') |
---|
521 | CALL prt_ctl(tab2d_1=ht_s (:,:,jl) , clinfo1= ' lim_trp : ht_s : ') |
---|
522 | CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_trp : v_i : ') |
---|
523 | CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_trp : v_s : ') |
---|
524 | CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_trp : e_s : ') |
---|
525 | CALL prt_ctl(tab2d_1=t_su (:,:,jl) , clinfo1= ' lim_trp : t_su : ') |
---|
526 | CALL prt_ctl(tab2d_1=t_s (:,:,1,jl) , clinfo1= ' lim_trp : t_snow : ') |
---|
527 | CALL prt_ctl(tab2d_1=sm_i (:,:,jl) , clinfo1= ' lim_trp : sm_i : ') |
---|
528 | CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_trp : smv_i : ') |
---|
529 | DO jk = 1, nlay_i |
---|
530 | CALL prt_ctl_info(' ') |
---|
531 | CALL prt_ctl_info(' - Layer : ', ivar1=jk) |
---|
532 | CALL prt_ctl_info(' ~~~~~~~') |
---|
533 | CALL prt_ctl(tab2d_1=t_i(:,:,jk,jl) , clinfo1= ' lim_trp : t_i : ') |
---|
534 | CALL prt_ctl(tab2d_1=e_i(:,:,jk,jl) , clinfo1= ' lim_trp : e_i : ') |
---|
535 | END DO |
---|
536 | END DO |
---|
537 | ENDIF |
---|
538 | ! ------------------------------- |
---|
539 | !- check conservation (C Rousset) |
---|
540 | IF( ln_limdiahsb ) THEN |
---|
541 | zchk_fs = glob_sum( ( sfx_bri(:,:) + sfx_thd(:,:) + sfx_res(:,:) + sfx_mec(:,:) ) * area(:,:) * tms(:,:) ) - zchk_fs_b |
---|
542 | zchk_fw = glob_sum( rdm_ice(:,:) * area(:,:) * tms(:,:) ) - zchk_fw_b |
---|
543 | |
---|
544 | zchk_v_i = ( glob_sum( SUM( v_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) - zchk_v_i_b - ( zchk_fw / rhoic ) ) / rdt_ice |
---|
545 | zchk_smv = ( glob_sum( SUM( smv_i(:,:,:), dim=3 ) * area(:,:) * tms(:,:) ) - zchk_smv_b ) / rdt_ice + ( zchk_fs / rhoic ) |
---|
546 | |
---|
547 | zchk_vmin = glob_min(v_i) |
---|
548 | zchk_amax = glob_max(SUM(a_i,dim=3)) |
---|
549 | zchk_amin = glob_min(a_i) |
---|
550 | zchk_umax = glob_max(SQRT(u_ice**2 + v_ice**2)) |
---|
551 | |
---|
552 | IF(lwp) THEN |
---|
553 | IF ( ABS( zchk_v_i ) > 1.e-5 ) THEN |
---|
554 | WRITE(numout,*) 'violation volume [m3/day] (limtrp) = ',(zchk_v_i * rday) |
---|
555 | WRITE(numout,*) 'u_ice max [m/s] (limtrp) = ',zchk_umax |
---|
556 | WRITE(numout,*) 'number of time steps (limtrp) =',kt |
---|
557 | ENDIF |
---|
558 | IF ( ABS( zchk_smv ) > 1.e-4 ) WRITE(numout,*) 'violation saline [psu*m3/day] (limtrp) = ',(zchk_smv * rday) |
---|
559 | IF ( zchk_vmin < 0. ) WRITE(numout,*) 'violation v_i<0 [mm] (limtrp) = ',(zchk_vmin * 1.e-3) |
---|
560 | IF ( zchk_amin < 0. ) WRITE(numout,*) 'violation a_i<0 (limtrp) = ',zchk_amin |
---|
561 | ENDIF |
---|
562 | ENDIF |
---|
563 | !- check conservation (C Rousset) |
---|
564 | ! ------------------------------- |
---|
565 | ! |
---|
566 | CALL wrk_dealloc( jpi, jpj, zui_u, zvi_v, zsm, zs0at, zs0ow ) |
---|
567 | CALL wrk_dealloc( jpi, jpj, jpl, zs0ice, zs0sn, zs0a, zs0c0 , zs0sm , zs0oi ) |
---|
568 | CALL wrk_dealloc( jpi, jpj, jkmax, jpl, zs0e ) |
---|
569 | |
---|
570 | CALL wrk_dealloc( jpi,jpj,jpl,zaiold, zhimax ) ! clem |
---|
571 | ! |
---|
572 | IF( nn_timing == 1 ) CALL timing_stop('limtrp') |
---|
573 | END SUBROUTINE lim_trp |
---|
574 | |
---|
575 | #else |
---|
576 | !!---------------------------------------------------------------------- |
---|
577 | !! Default option Empty Module No sea-ice model |
---|
578 | !!---------------------------------------------------------------------- |
---|
579 | CONTAINS |
---|
580 | SUBROUTINE lim_trp ! Empty routine |
---|
581 | END SUBROUTINE lim_trp |
---|
582 | #endif |
---|
583 | |
---|
584 | !!====================================================================== |
---|
585 | END MODULE limtrp |
---|