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 ! LIM-3 parameter |
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20 | USE dom_ice ! LIM-3 domain |
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21 | USE ice ! LIM-3 variables |
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22 | USE limadv ! LIM-3 advection |
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23 | USE limhdf ! LIM-3 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 | |
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31 | IMPLICIT NONE |
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32 | PRIVATE |
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33 | |
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34 | PUBLIC lim_trp ! called by ice_step |
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35 | |
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36 | REAL(wp) :: epsi06 = 1.e-06_wp ! constant values |
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37 | REAL(wp) :: epsi03 = 1.e-03_wp |
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38 | REAL(wp) :: zeps10 = 1.e-10_wp |
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39 | REAL(wp) :: epsi16 = 1.e-16_wp |
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40 | REAL(wp) :: rzero = 0._wp |
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41 | REAL(wp) :: rone = 1._wp |
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42 | |
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43 | REAL(wp), SAVE, ALLOCATABLE, DIMENSION(:,:,:,:) :: zs0e |
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44 | |
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45 | !! * Substitution |
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46 | # include "vectopt_loop_substitute.h90" |
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47 | !!---------------------------------------------------------------------- |
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48 | !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) |
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49 | !! $Id$ |
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50 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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51 | !!---------------------------------------------------------------------- |
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52 | CONTAINS |
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53 | |
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54 | SUBROUTINE lim_trp( kt ) |
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55 | !!------------------------------------------------------------------- |
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56 | !! *** ROUTINE lim_trp *** |
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57 | !! |
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58 | !! ** purpose : advection/diffusion process of sea ice |
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59 | !! |
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60 | !! ** method : variables included in the process are scalar, |
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61 | !! other values are considered as second order. |
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62 | !! For advection, a second order Prather scheme is used. |
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63 | !! |
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64 | !! ** action : |
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65 | !!--------------------------------------------------------------------- |
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66 | INTEGER, INTENT(in) :: kt ! number of iteration |
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67 | ! |
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68 | INTEGER :: ji, jj, jk, jl, layer ! dummy loop indices |
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69 | INTEGER :: initad ! number of sub-timestep for the advection |
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70 | INTEGER :: ierr ! error status |
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71 | REAL(wp) :: zindb , zindsn , zindic ! local scalar |
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72 | REAL(wp) :: zusvosn, zusvoic, zbigval ! - - |
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73 | REAL(wp) :: zcfl , zusnit , zrtt ! - - |
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74 | REAL(wp) :: ze , zsal , zage ! - - |
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75 | ! |
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76 | REAL(wp), POINTER, DIMENSION(:,:) :: zui_u, zvi_v, zsm, zs0at, zs0ow |
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77 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zs0ice, zs0sn, zs0a, zs0c0 , zs0sm , zs0oi |
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78 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: zs0e |
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79 | !!--------------------------------------------------------------------- |
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80 | |
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81 | CALL wrk_alloc( jpi, jpj, zui_u, zvi_v, zsm, zs0at, zs0ow ) |
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82 | CALL wrk_alloc( jpi, jpj, jpl, zs0ice, zs0sn, zs0a, zs0c0 , zs0sm , zs0oi ) |
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83 | CALL wrk_alloc( jpi, jpj, jkmax, jpl, zs0e ) |
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84 | |
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85 | IF( numit == nstart .AND. lwp ) THEN |
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86 | WRITE(numout,*) |
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87 | IF( ln_limdyn ) THEN ; WRITE(numout,*) 'lim_trp : Ice transport ' |
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88 | ELSE ; WRITE(numout,*) 'lim_trp : No ice advection as ln_limdyn = ', ln_limdyn |
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89 | ENDIF |
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90 | WRITE(numout,*) '~~~~~~~~~~~~' |
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91 | ENDIF |
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92 | |
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93 | zsm(:,:) = area(:,:) |
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94 | |
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95 | ! !-------------------------------------! |
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96 | IF( ln_limdyn ) THEN ! Advection of sea ice properties ! |
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97 | ! !-------------------------------------! |
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98 | ! |
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99 | |
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100 | !------------------------- |
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101 | ! transported fields |
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102 | !------------------------- |
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103 | ! Snow vol, ice vol, salt and age contents, area |
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104 | zs0ow(:,:) = ato_i(:,:) * area(:,:) ! Open water area |
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105 | DO jl = 1, jpl |
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106 | zs0sn (:,:,jl) = v_s (:,:,jl) * area(:,:) ! Snow volume |
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107 | zs0ice(:,:,jl) = v_i (:,:,jl) * area(:,:) ! Ice volume |
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108 | zs0a (:,:,jl) = a_i (:,:,jl) * area(:,:) ! Ice area |
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109 | zs0sm (:,:,jl) = smv_i(:,:,jl) * area(:,:) ! Salt content |
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110 | zs0oi (:,:,jl) = oa_i (:,:,jl) * area(:,:) ! Age content |
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111 | zs0c0 (:,:,jl) = e_s (:,:,1,jl) ! Snow heat content |
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112 | zs0e (:,:,:,jl) = e_i (:,:,:,jl) ! Ice heat content |
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113 | END DO |
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114 | |
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115 | !-------------------------- |
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116 | ! Advection of Ice fields (Prather scheme) |
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117 | !-------------------------- |
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118 | ! If ice drift field is too fast, use an appropriate time step for advection. |
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119 | ! CFL test for stability |
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120 | zcfl = MAXVAL( ABS( u_ice(:,:) ) * rdt_ice / e1u(:,:) ) |
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121 | zcfl = MAX( zcfl, MAXVAL( ABS( v_ice(:,:) ) * rdt_ice / e2v(:,:) ) ) |
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122 | IF(lk_mpp ) CALL mpp_max( zcfl ) |
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123 | !!gm more readability: |
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124 | ! IF( zcfl > 0.5 ) THEN ; initad = 2 ; zusnit = 0.5_wp |
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125 | ! ELSE ; initad = 1 ; zusnit = 1.0_wp |
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126 | ! ENDIF |
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127 | !!gm end |
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128 | initad = 1 + INT( MAX( rzero, SIGN( rone, zcfl-0.5 ) ) ) |
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129 | zusnit = 1.0 / REAL( initad ) |
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130 | IF( zcfl > 0.5 .AND. lwp ) & |
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131 | WRITE(numout,*) 'lim_trp_2 : CFL violation at day ', nday, ', cfl = ', zcfl, & |
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132 | & ': the ice time stepping is split in two' |
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133 | |
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134 | IF( MOD( ( kt - 1) / nn_fsbc , 2 ) == 0 ) THEN !== odd ice time step: adv_x then adv_y ==! |
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135 | DO jk = 1,initad |
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136 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0ow (:,:), sxopw(:,:), & !--- ice open water area |
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137 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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138 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0ow (:,:), sxopw(:,:), & |
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139 | & sxxopw(:,:), syopw(:,:), syyopw(:,:), sxyopw(:,:) ) |
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140 | DO jl = 1, jpl |
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141 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0ice(:,:,jl), sxice(:,:,jl), & !--- ice volume --- |
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142 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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143 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0ice(:,:,jl), sxice(:,:,jl), & |
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144 | & sxxice(:,:,jl), syice(:,:,jl), syyice(:,:,jl), sxyice(:,:,jl) ) |
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145 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & !--- snow volume --- |
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146 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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147 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0sn (:,:,jl), sxsn (:,:,jl), & |
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148 | & sxxsn (:,:,jl), sysn (:,:,jl), syysn (:,:,jl), sxysn (:,:,jl) ) |
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149 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & !--- ice salinity --- |
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150 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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151 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0sm (:,:,jl), sxsal(:,:,jl), & |
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152 | & sxxsal(:,:,jl), sysal(:,:,jl), syysal(:,:,jl), sxysal(:,:,jl) ) |
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153 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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154 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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155 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0oi (:,:,jl), sxage(:,:,jl), & |
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156 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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157 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0a (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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158 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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159 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0a (:,:,jl), sxa (:,:,jl), & |
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160 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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161 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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162 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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163 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & |
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164 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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165 | DO layer = 1, nlay_i !--- ice heat contents --- |
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166 | CALL lim_adv_x( zusnit, u_ice, rone , zsm, zs0e(:,:,layer,jl), sxe (:,:,layer,jl), & |
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167 | & sxxe(:,:,layer,jl), sye (:,:,layer,jl), & |
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168 | & syye(:,:,layer,jl), sxye(:,:,layer,jl) ) |
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169 | CALL lim_adv_y( zusnit, v_ice, rzero, zsm, zs0e(:,:,layer,jl), sxe (:,:,layer,jl), & |
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170 | & sxxe(:,:,layer,jl), sye (:,:,layer,jl), & |
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171 | & syye(:,:,layer,jl), sxye(:,:,layer,jl) ) |
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172 | END DO |
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173 | END DO |
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174 | END DO |
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175 | ELSE |
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176 | DO jk = 1, initad |
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177 | CALL lim_adv_y( zusnit, v_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_x( zusnit, u_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_y( zusnit, v_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_x( zusnit, u_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_y( zusnit, v_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_x( zusnit, u_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_y( zusnit, v_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_x( zusnit, u_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 | |
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195 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0oi (:,:,jl), sxage(:,:,jl), & !--- ice age --- |
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196 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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197 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0oi (:,:,jl), sxage(:,:,jl), & |
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198 | & sxxage(:,:,jl), syage(:,:,jl), syyage(:,:,jl), sxyage(:,:,jl) ) |
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199 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0a (:,:,jl), sxa (:,:,jl), & !--- ice concentrations --- |
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200 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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201 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0a (:,:,jl), sxa (:,:,jl), & |
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202 | & sxxa (:,:,jl), sya (:,:,jl), syya (:,:,jl), sxya (:,:,jl) ) |
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203 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & !--- snow heat contents --- |
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204 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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205 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0c0 (:,:,jl), sxc0 (:,:,jl), & |
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206 | & sxxc0 (:,:,jl), syc0 (:,:,jl), syyc0 (:,:,jl), sxyc0 (:,:,jl) ) |
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207 | DO layer = 1, nlay_i !--- ice heat contents --- |
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208 | CALL lim_adv_y( zusnit, v_ice, rone , zsm, zs0e(:,:,layer,jl), sxe (:,:,layer,jl), & |
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209 | & sxxe(:,:,layer,jl), sye (:,:,layer,jl), & |
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210 | & syye(:,:,layer,jl), sxye(:,:,layer,jl) ) |
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211 | CALL lim_adv_x( zusnit, u_ice, rzero, zsm, zs0e(:,:,layer,jl), sxe (:,:,layer,jl), & |
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212 | & sxxe(:,:,layer,jl), sye (:,:,layer,jl), & |
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213 | & syye(:,:,layer,jl), sxye(:,:,layer,jl) ) |
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214 | END DO |
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215 | END DO |
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216 | END DO |
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217 | ENDIF |
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218 | |
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219 | !------------------------------------------- |
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220 | ! Recover the properties from their contents |
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221 | !------------------------------------------- |
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222 | zs0ow(:,:) = zs0ow(:,:) / area(:,:) |
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223 | DO jl = 1, jpl |
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224 | zs0ice(:,:,jl) = zs0ice(:,:,jl) / area(:,:) |
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225 | zs0sn (:,:,jl) = zs0sn (:,:,jl) / area(:,:) |
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226 | zs0sm (:,:,jl) = zs0sm (:,:,jl) / area(:,:) |
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227 | zs0oi (:,:,jl) = zs0oi (:,:,jl) / area(:,:) |
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228 | zs0a (:,:,jl) = zs0a (:,:,jl) / area(:,:) |
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229 | zs0c0 (:,:,jl) = zs0c0 (:,:,jl) / area(:,:) |
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230 | DO jk = 1, nlay_i |
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231 | zs0e(:,:,jk,jl) = zs0e(:,:,jk,jl) / area(:,:) |
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232 | END DO |
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233 | END DO |
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234 | |
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235 | !------------------------------------------------------------------------------! |
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236 | ! 4) Diffusion of Ice fields |
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237 | !------------------------------------------------------------------------------! |
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238 | |
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239 | !-------------------------------- |
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240 | ! diffusion of open water area |
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241 | !-------------------------------- |
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242 | zs0at(:,:) = zs0a(:,:,1) ! total ice fraction |
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243 | DO jl = 2, jpl |
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244 | zs0at(:,:) = zs0at(:,:) + zs0a(:,:,jl) |
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245 | END DO |
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246 | ! |
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247 | ! ! Masked eddy diffusivity coefficient at ocean U- and V-points |
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248 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
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249 | DO ji = 1 , fs_jpim1 ! vector opt. |
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250 | pahu(ji,jj) = ( 1._wp - MAX( rzero, SIGN( rone, -zs0at(ji ,jj) ) ) ) & |
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251 | & * ( 1._wp - MAX( rzero, SIGN( rone, -zs0at(ji+1,jj) ) ) ) * ahiu(ji,jj) |
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252 | pahv(ji,jj) = ( 1._wp - MAX( rzero, SIGN( rone, -zs0at(ji,jj ) ) ) ) & |
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253 | & * ( 1._wp - MAX( rzero, SIGN( rone,- zs0at(ji,jj+1) ) ) ) * ahiv(ji,jj) |
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254 | END DO |
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255 | END DO |
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256 | ! |
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257 | CALL lim_hdf( zs0ow (:,:) ) ! Diffusion |
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258 | |
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259 | !------------------------------------ |
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260 | ! Diffusion of other ice variables |
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261 | !------------------------------------ |
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262 | DO jl = 1, jpl |
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263 | ! ! Masked eddy diffusivity coefficient at ocean U- and V-points |
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264 | DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row |
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265 | DO ji = 1 , fs_jpim1 ! vector opt. |
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266 | pahu(ji,jj) = ( 1._wp - MAX( rzero, SIGN( rone, -zs0a(ji ,jj,jl) ) ) ) & |
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267 | & * ( 1._wp - MAX( rzero, SIGN( rone, -zs0a(ji+1,jj,jl) ) ) ) * ahiu(ji,jj) |
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268 | pahv(ji,jj) = ( 1._wp - MAX( rzero, SIGN( rone, -zs0a(ji,jj ,jl) ) ) ) & |
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269 | & * ( 1._wp - MAX( rzero, SIGN( rone,- zs0a(ji,jj+1,jl) ) ) ) * ahiv(ji,jj) |
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270 | END DO |
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271 | END DO |
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272 | |
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273 | CALL lim_hdf( zs0ice (:,:,jl) ) |
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274 | CALL lim_hdf( zs0sn (:,:,jl) ) |
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275 | CALL lim_hdf( zs0sm (:,:,jl) ) |
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276 | CALL lim_hdf( zs0oi (:,:,jl) ) |
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277 | CALL lim_hdf( zs0a (:,:,jl) ) |
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278 | CALL lim_hdf( zs0c0 (:,:,jl) ) |
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279 | DO jk = 1, nlay_i |
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280 | CALL lim_hdf( zs0e (:,:,jk,jl) ) |
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281 | END DO |
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282 | END DO |
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283 | |
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284 | !----------------------------------------- |
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285 | ! Remultiply everything by ice area |
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286 | !----------------------------------------- |
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287 | zs0ow(:,:) = MAX( rzero, zs0ow(:,:) * area(:,:) ) |
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288 | DO jl = 1, jpl |
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289 | zs0ice(:,:,jl) = MAX( rzero, zs0ice(:,:,jl) * area(:,:) ) !!bug: est-ce utile |
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290 | zs0sn (:,:,jl) = MAX( rzero, zs0sn (:,:,jl) * area(:,:) ) !!bug: cf /area juste apres |
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291 | zs0sm (:,:,jl) = MAX( rzero, zs0sm (:,:,jl) * area(:,:) ) !!bug: cf /area juste apres |
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292 | zs0oi (:,:,jl) = MAX( rzero, zs0oi (:,:,jl) * area(:,:) ) |
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293 | zs0a (:,:,jl) = MAX( rzero, zs0a (:,:,jl) * area(:,:) ) !! suppress both change le resultat |
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294 | zs0c0 (:,:,jl) = MAX( rzero, zs0c0 (:,:,jl) * area(:,:) ) |
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295 | DO jk = 1, nlay_i |
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296 | zs0e(:,:,jk,jl) = MAX( rzero, zs0e (:,:,jk,jl) * area(:,:) ) |
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297 | END DO ! jk |
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298 | END DO ! jl |
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299 | |
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300 | !------------------------------------------------------------------------------! |
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301 | ! 5) Update and limit ice properties after transport |
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302 | !------------------------------------------------------------------------------! |
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303 | |
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304 | !-------------------------------------------------- |
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305 | ! 5.1) Recover mean values over the grid squares. |
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306 | !-------------------------------------------------- |
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307 | |
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308 | DO jl = 1, jpl |
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309 | DO jk = 1, nlay_i |
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310 | DO jj = 1, jpj |
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311 | DO ji = 1, jpi |
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312 | zs0e(ji,jj,jk,jl) = MAX( rzero, zs0e(ji,jj,jk,jl) / area(ji,jj) ) |
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313 | END DO |
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314 | END DO |
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315 | END DO |
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316 | END DO |
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317 | |
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318 | DO jj = 1, jpj |
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319 | DO ji = 1, jpi |
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320 | zs0ow(ji,jj) = MAX( rzero, zs0ow (ji,jj) / area(ji,jj) ) |
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321 | END DO |
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322 | END DO |
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323 | |
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324 | zs0at(:,:) = 0._wp |
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325 | DO jl = 1, jpl |
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326 | DO jj = 1, jpj |
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327 | DO ji = 1, jpi |
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328 | zs0sn (ji,jj,jl) = MAX( rzero, zs0sn (ji,jj,jl)/area(ji,jj) ) |
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329 | zs0ice(ji,jj,jl) = MAX( rzero, zs0ice(ji,jj,jl)/area(ji,jj) ) |
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330 | zs0sm (ji,jj,jl) = MAX( rzero, zs0sm (ji,jj,jl)/area(ji,jj) ) |
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331 | zs0oi (ji,jj,jl) = MAX( rzero, zs0oi (ji,jj,jl)/area(ji,jj) ) |
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332 | zs0a (ji,jj,jl) = MAX( rzero, zs0a (ji,jj,jl)/area(ji,jj) ) |
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333 | zs0c0 (ji,jj,jl) = MAX( rzero, zs0c0 (ji,jj,jl)/area(ji,jj) ) |
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334 | zs0at (ji,jj) = zs0at(ji,jj) + zs0a(ji,jj,jl) |
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335 | END DO |
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336 | END DO |
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337 | END DO |
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338 | |
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339 | !--------------------------------------------------------- |
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340 | ! 5.2) Snow thickness, Ice thickness, Ice concentrations |
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341 | !--------------------------------------------------------- |
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342 | DO jj = 1, jpj |
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343 | DO ji = 1, jpi |
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344 | zindb = MAX( 0._wp , SIGN( 1.0, zs0at(ji,jj) - zeps10) ) |
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345 | zs0ow(ji,jj) = ( 1._wp - zindb ) + zindb * MAX( zs0ow(ji,jj), 0._wp ) |
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346 | ato_i(ji,jj) = zs0ow(ji,jj) |
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347 | END DO |
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348 | END DO |
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349 | |
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350 | DO jl = 1, jpl ! Remove very small areas |
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351 | DO jj = 1, jpj |
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352 | DO ji = 1, jpi |
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353 | zindb = MAX( 0.0 , SIGN( 1.0, zs0a(ji,jj,jl) - zeps10) ) |
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354 | ! |
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355 | zs0a(ji,jj,jl) = zindb * MIN( zs0a(ji,jj,jl), 0.99 ) |
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356 | v_s(ji,jj,jl) = zindb * zs0sn (ji,jj,jl) |
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357 | v_i(ji,jj,jl) = zindb * zs0ice(ji,jj,jl) |
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358 | ! |
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359 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - zeps10 ) ) |
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360 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - zeps10 ) ) |
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361 | zindb = MAX( zindsn, zindic ) |
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362 | zs0a(ji,jj,jl) = zindb * zs0a(ji,jj,jl) !ice concentration |
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363 | a_i (ji,jj,jl) = zs0a(ji,jj,jl) |
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364 | v_s (ji,jj,jl) = zindsn * v_s(ji,jj,jl) |
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365 | v_i (ji,jj,jl) = zindic * v_i(ji,jj,jl) |
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366 | END DO |
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367 | END DO |
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368 | END DO |
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369 | |
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370 | DO jj = 1, jpj |
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371 | DO ji = 1, jpi |
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372 | zs0at(ji,jj) = SUM( zs0a(ji,jj,1:jpl) ) |
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373 | END DO |
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374 | END DO |
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375 | |
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376 | !---------------------- |
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377 | ! 5.3) Ice properties |
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378 | !---------------------- |
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379 | |
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380 | zbigval = 1.d+13 |
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381 | |
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382 | DO jl = 1, jpl |
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383 | DO jj = 1, jpj |
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384 | DO ji = 1, jpi |
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385 | |
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386 | ! Switches and dummy variables |
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387 | zusvosn = 1.0/MAX( v_s(ji,jj,jl) , epsi16 ) |
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388 | zusvoic = 1.0/MAX( v_i(ji,jj,jl) , epsi16 ) |
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389 | zrtt = 173.15 * rone |
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390 | zindsn = MAX( rzero, SIGN( rone, v_s(ji,jj,jl) - zeps10 ) ) |
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391 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - zeps10 ) ) |
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392 | zindb = MAX( zindsn, zindic ) |
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393 | |
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394 | ! Ice salinity and age |
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395 | zsal = MAX( MIN( (rhoic-rhosn)/rhoic*sss_m(ji,jj) , & |
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396 | zusvoic * zs0sm(ji,jj,jl) ), s_i_min ) * v_i(ji,jj,jl) |
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397 | IF ( ( num_sal .EQ. 2 ) .OR. ( num_sal .EQ. 4 ) ) & |
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398 | smv_i(ji,jj,jl) = zindic*zsal + (1.0-zindic)*0.0 |
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399 | |
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400 | zage = MAX( MIN( zbigval, zs0oi(ji,jj,jl) / & |
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401 | MAX( a_i(ji,jj,jl), epsi16 ) ), 0.0 ) * a_i(ji,jj,jl) |
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402 | oa_i (ji,jj,jl) = zindic*zage |
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403 | |
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404 | ! Snow heat content |
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405 | ze = MIN( MAX( 0.0, zs0c0(ji,jj,jl)*area(ji,jj) ), zbigval ) |
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406 | e_s(ji,jj,1,jl) = zindsn * ze + (1.0 - zindsn) * 0.0 |
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407 | |
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408 | END DO !ji |
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409 | END DO !jj |
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410 | END DO ! jl |
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411 | |
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412 | DO jl = 1, jpl |
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413 | DO jk = 1, nlay_i |
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414 | DO jj = 1, jpj |
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415 | DO ji = 1, jpi |
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416 | ! Ice heat content |
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417 | zindic = MAX( rzero, SIGN( rone, v_i(ji,jj,jl) - zeps10 ) ) |
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418 | ze = MIN( MAX( 0.0, zs0e(ji,jj,jk,jl)*area(ji,jj) ), zbigval ) |
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419 | e_i(ji,jj,jk,jl) = zindic * ze + ( 1.0 - zindic ) * 0.0 |
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420 | END DO !ji |
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421 | END DO ! jj |
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422 | END DO ! jk |
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423 | END DO ! jl |
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424 | |
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425 | ENDIF |
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426 | |
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427 | IF(ln_ctl) THEN ! Control print |
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428 | CALL prt_ctl_info(' ') |
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429 | CALL prt_ctl_info(' - Cell values : ') |
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430 | CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') |
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431 | CALL prt_ctl(tab2d_1=area , clinfo1=' lim_trp : cell area :') |
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432 | CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_trp : at_i :') |
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433 | CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_trp : vt_i :') |
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434 | CALL prt_ctl(tab2d_1=vt_s , clinfo1=' lim_trp : vt_s :') |
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435 | DO jl = 1, jpl |
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436 | CALL prt_ctl_info(' ') |
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437 | CALL prt_ctl_info(' - Category : ', ivar1=jl) |
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438 | CALL prt_ctl_info(' ~~~~~~~~~~') |
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439 | CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_trp : a_i : ') |
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440 | CALL prt_ctl(tab2d_1=ht_i (:,:,jl) , clinfo1= ' lim_trp : ht_i : ') |
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441 | CALL prt_ctl(tab2d_1=ht_s (:,:,jl) , clinfo1= ' lim_trp : ht_s : ') |
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442 | CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_trp : v_i : ') |
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443 | CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_trp : v_s : ') |
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444 | CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_trp : e_s : ') |
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445 | CALL prt_ctl(tab2d_1=t_su (:,:,jl) , clinfo1= ' lim_trp : t_su : ') |
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446 | CALL prt_ctl(tab2d_1=t_s (:,:,1,jl) , clinfo1= ' lim_trp : t_snow : ') |
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447 | CALL prt_ctl(tab2d_1=sm_i (:,:,jl) , clinfo1= ' lim_trp : sm_i : ') |
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448 | CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_trp : smv_i : ') |
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449 | DO jk = 1, nlay_i |
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450 | CALL prt_ctl_info(' ') |
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451 | CALL prt_ctl_info(' - Layer : ', ivar1=jk) |
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452 | CALL prt_ctl_info(' ~~~~~~~') |
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453 | CALL prt_ctl(tab2d_1=t_i(:,:,jk,jl) , clinfo1= ' lim_trp : t_i : ') |
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454 | CALL prt_ctl(tab2d_1=e_i(:,:,jk,jl) , clinfo1= ' lim_trp : e_i : ') |
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455 | END DO |
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456 | END DO |
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457 | ENDIF |
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458 | ! |
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459 | CALL wrk_dealloc( jpi, jpj, zui_u, zvi_v, zsm, zs0at, zs0ow ) |
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460 | CALL wrk_dealloc( jpi, jpj, jpl, zs0ice, zs0sn, zs0a, zs0c0 , zs0sm , zs0oi ) |
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461 | CALL wrk_dealloc( jpi, jpj, jkmax, jpl, zs0e ) |
---|
462 | ! |
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463 | END SUBROUTINE lim_trp |
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464 | |
---|
465 | #else |
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466 | !!---------------------------------------------------------------------- |
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467 | !! Default option Empty Module No sea-ice model |
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468 | !!---------------------------------------------------------------------- |
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469 | CONTAINS |
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470 | SUBROUTINE lim_trp ! Empty routine |
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471 | END SUBROUTINE lim_trp |
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472 | #endif |
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473 | |
---|
474 | !!====================================================================== |
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475 | END MODULE limtrp |
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