1 | MODULE limdia_2 |
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2 | !!====================================================================== |
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3 | !! *** MODULE limdia_2 *** |
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4 | !! diagnostics of ice model |
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5 | !!====================================================================== |
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6 | !! History : 8.0 ! 97-06 (Louvain-La-Neuve) Original code |
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7 | !! 8.5 ! 02-09 (C. Ethe , G. Madec ) F90: Free form and module |
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8 | !! 9.0 ! 06-08 (S. Masson) change frequency output control |
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9 | !!------------------------------------------------------------------- |
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10 | #if defined key_lim2 |
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11 | !!---------------------------------------------------------------------- |
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12 | !! 'key_lim2' : LIM 2.0 sea-ice model |
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13 | !!---------------------------------------------------------------------- |
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14 | !!---------------------------------------------------------------------- |
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15 | !! lim_dia_2 : computation of the time evolution of keys var. |
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16 | !! lim_dia_init_2 : initialization and namelist read |
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17 | !!---------------------------------------------------------------------- |
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18 | USE dom_oce ! ocean space and time domain |
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19 | USE phycst ! |
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20 | USE par_ice_2 ! ice parameters |
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21 | USE sbc_oce ! surface boundary condition variables |
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22 | USE dom_ice_2 ! |
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23 | USE ice_2 ! |
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24 | USE limistate_2 ! |
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25 | USE in_out_manager ! I/O manager |
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26 | |
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27 | IMPLICIT NONE |
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28 | PRIVATE |
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29 | |
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30 | PUBLIC lim_dia_2 ! called by sbc_ice_lim_2 |
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31 | INTEGER, PUBLIC :: ntmoy = 1 , & !: instantaneous values of ice evolution or averaging ntmoy |
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32 | & ninfo = 1 !: frequency of ouputs on file ice_evolu in case of averaging |
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33 | |
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34 | INTEGER, PARAMETER :: & ! Parameters for outputs to files "evolu" |
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35 | jpinfmx = 100 , & ! maximum number of key variables |
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36 | jpchinf = 5 , & ! ??? |
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37 | jpchsep = jpchinf + 2 ! ??? |
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38 | |
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39 | INTEGER :: & |
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40 | nfrinf = 4 , & ! number of variables written in one line |
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41 | nferme , & ! last time step at which the var. are written on file |
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42 | nvinfo , & ! number of total variables |
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43 | nbvt , & ! number of time variables |
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44 | naveg ! number of step for accumulation before averaging |
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45 | |
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46 | CHARACTER(len= 8) :: fmtinf = '1PE13.5 ' ! format of the output values |
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47 | CHARACTER(len=30) :: fmtw , & ! formats |
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48 | & fmtr , & ! ??? |
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49 | & fmtitr ! ??? |
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50 | CHARACTER(len=jpchsep), DIMENSION(jpinfmx) :: titvar ! title of key variables |
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51 | |
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52 | REAL(wp) :: epsi06 = 1.e-06 ! ??? |
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53 | REAL(wp), DIMENSION(jpinfmx) :: vinfom ! temporary working space |
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54 | REAL(wp), DIMENSION(jpi,jpj) :: aire ! masked grid cell area |
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55 | |
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56 | !! * Substitutions |
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57 | # include "vectopt_loop_substitute.h90" |
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58 | !!---------------------------------------------------------------------- |
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59 | !! LIM 2.0, UCL-LOCEAN-IPSL (2005) |
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60 | !! $Id$ |
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61 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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62 | !!---------------------------------------------------------------------- |
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63 | |
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64 | CONTAINS |
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65 | |
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66 | SUBROUTINE lim_dia_2( kt ) |
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67 | !!-------------------------------------------------------------------- |
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68 | !! *** ROUTINE lim_dia_2 *** |
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69 | !! |
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70 | !! ** Purpose : Computation and outputs on file ice.evolu |
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71 | !! the temporal evolution of some key variables |
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72 | !!------------------------------------------------------------------- |
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73 | INTEGER, INTENT(in) :: kt ! number of iteration |
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74 | !! |
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75 | INTEGER :: jv,ji, jj ! dummy loop indices |
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76 | INTEGER :: nv ! indice of variable |
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77 | REAL(wp) :: zarea , zldarea , & ! sea-ice and leads area |
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78 | & zextent15, zextent85, & ! sea-ice extent (15% and 85%) |
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79 | & zicevol , zsnwvol , & ! sea-ice and snow volume volume |
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80 | & zicespd ! sea-ice velocity |
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81 | REAL(wp), DIMENSION(jpinfmx) :: vinfor ! temporary working space |
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82 | !!------------------------------------------------------------------- |
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83 | |
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84 | IF( kt == nit000 ) CALL lim_dia_init_2 ! initialisation of ice_evolu file |
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85 | |
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86 | ! computation of key variables at each time step |
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87 | |
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88 | nv = 1 |
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89 | vinfor(nv) = REAL( kt + nn_fsbc - 1 ) |
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90 | nv = nv + 1 |
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91 | vinfor(nv) = nyear |
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92 | |
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93 | DO jv = nbvt + 1, nvinfo |
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94 | vinfor(jv) = 0.e0 |
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95 | END DO |
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96 | |
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97 | zextent15 = 0.e0 |
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98 | zextent85 = 0.e0 |
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99 | ! variables in northern Hemis |
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100 | DO jj = njeq, jpjm1 |
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101 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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102 | IF( tms(ji,jj) == 1 ) THEN |
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103 | zarea = ( 1.0 - frld(ji,jj) ) * aire(ji,jj) |
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104 | IF (frld(ji,jj) <= 0.15 ) zextent15 = aire(ji,jj) |
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105 | IF (frld(ji,jj) <= 0.85 ) zextent85 = aire(ji,jj) |
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106 | zldarea = zarea / MAX( ( 1 - frld(ji,jj) ) , epsi06 ) |
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107 | zicevol = zarea * hicif(ji,jj) |
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108 | zsnwvol = zarea * hsnif(ji,jj) |
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109 | zicespd = zicevol * ( u_ice(ji,jj) * u_ice(ji,jj) + v_ice(ji,jj) * v_ice(ji,jj) ) |
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110 | vinfor(nv+ 1) = vinfor(nv+ 1) + zarea |
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111 | vinfor(nv+ 3) = vinfor(nv+ 3) + zextent15 |
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112 | vinfor(nv+ 5) = vinfor(nv+ 5) + zextent85 |
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113 | vinfor(nv+ 7) = vinfor(nv+ 7) + zldarea |
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114 | vinfor(nv+ 9) = vinfor(nv+ 9) + zicevol |
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115 | vinfor(nv+11) = vinfor(nv+11) + zsnwvol |
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116 | vinfor(nv+13) = vinfor(nv+13) + zicespd |
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117 | ENDIF |
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118 | END DO |
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119 | END DO |
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120 | vinfor(nv+13) = SQRT( vinfor(nv+13) / MAX( vinfor(nv+9) , epsi06 ) ) |
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121 | |
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122 | |
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123 | ! variables in southern Hemis |
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124 | nv = nv + 1 |
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125 | DO jj = 2, njeqm1 |
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126 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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127 | IF( tms(ji,jj) == 1 ) THEN |
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128 | zarea = ( 1.0 - frld(ji,jj) ) * aire(ji,jj) |
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129 | IF (frld(ji,jj) <= 0.15 ) zextent15 = aire(ji,jj) |
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130 | IF (frld(ji,jj) <= 0.85 ) zextent85 = aire(ji,jj) |
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131 | zldarea = zarea / MAX( ( 1 - frld(ji,jj) ) , epsi06 ) |
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132 | zicevol = zarea * hicif(ji,jj) |
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133 | zsnwvol = zarea * hsnif(ji,jj) |
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134 | zicespd = zicevol * ( u_ice(ji,jj) * u_ice(ji,jj) + v_ice(ji,jj) * v_ice(ji,jj) ) |
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135 | vinfor(nv+ 1) = vinfor(nv+ 1) + zarea |
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136 | vinfor(nv+ 3) = vinfor(nv+ 3) + zextent15 |
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137 | vinfor(nv+ 5) = vinfor(nv+ 5) + zextent85 |
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138 | vinfor(nv+ 7) = vinfor(nv+ 7) + zldarea |
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139 | vinfor(nv+ 9) = vinfor(nv+ 9) + zicevol |
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140 | vinfor(nv+11) = vinfor(nv+11) + zsnwvol |
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141 | vinfor(nv+13) = vinfor(nv+13) + zicespd |
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142 | ENDIF |
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143 | END DO |
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144 | END DO |
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145 | vinfor(nv+13) = SQRT( vinfor(nv+13) / MAX( vinfor(nv+9) , epsi06 ) ) |
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146 | |
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147 | ! Accumulation before averaging |
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148 | DO jv = 1, nvinfo |
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149 | vinfom(jv) = vinfom(jv) + vinfor(jv) |
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150 | END DO |
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151 | naveg = naveg + 1 |
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152 | |
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153 | ! oututs on file ice_evolu |
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154 | IF( MOD( kt + nn_fsbc - 1, ninfo ) == 0 ) THEN |
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155 | WRITE(numevo_ice,fmtw) ( titvar(jv), vinfom(jv)/naveg, jv = 1, nvinfo ) |
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156 | naveg = 0 |
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157 | DO jv = 1, nvinfo |
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158 | vinfom(jv) = 0.e0 |
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159 | END DO |
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160 | ENDIF |
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161 | ! |
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162 | END SUBROUTINE lim_dia_2 |
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163 | |
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164 | |
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165 | SUBROUTINE lim_dia_init_2 |
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166 | !!------------------------------------------------------------------- |
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167 | !! *** ROUTINE lim_dia_init_2 *** |
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168 | !! |
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169 | !! ** Purpose : Preparation of the file ice_evolu for the output of |
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170 | !! the temporal evolution of key variables |
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171 | !! |
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172 | !! ** input : Namelist namicedia |
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173 | !!------------------------------------------------------------------- |
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174 | CHARACTER(len=jpchinf) :: titinf |
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175 | INTEGER :: jv ! dummy loop indice |
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176 | INTEGER :: ntot , ndeb |
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177 | INTEGER :: nv ! indice of variable |
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178 | REAL(wp) :: zxx0, zxx1 ! temporary scalars |
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179 | |
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180 | NAMELIST/namicedia/fmtinf, nfrinf, ninfo, ntmoy |
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181 | !!------------------------------------------------------------------- |
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182 | |
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183 | ! Read Namelist namicedia |
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184 | REWIND ( numnam_ice ) |
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185 | READ ( numnam_ice , namicedia ) |
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186 | |
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187 | IF(lwp) THEN |
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188 | WRITE(numout,*) |
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189 | WRITE(numout,*) 'lim_dia_init_2 : ice parameters for ice diagnostics ' |
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190 | WRITE(numout,*) '~~~~~~~~~~~~~~' |
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191 | WRITE(numout,*) ' format of the output values fmtinf = ', fmtinf |
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192 | WRITE(numout,*) ' number of variables written in one line nfrinf = ', nfrinf |
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193 | WRITE(numout,*) ' Instantaneous values of ice evolution or averaging ntmoy = ', ntmoy |
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194 | WRITE(numout,*) ' frequency of ouputs on file ice_evolu in case of averaging ninfo = ', ninfo |
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195 | ENDIF |
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196 | |
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197 | ! masked grid cell area |
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198 | aire(:,:) = area(:,:) * tms(:,:) |
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199 | |
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200 | ! Titles of ice key variables : |
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201 | nv = 1 |
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202 | titvar(nv) = 'NoIt' ! iteration number |
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203 | nv = nv + 1 |
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204 | titvar(nv) = 'T yr' ! time step in years |
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205 | |
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206 | nbvt = nv - 1 |
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207 | |
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208 | nv = nv + 1 ; titvar(nv) = 'AEFN' ! sea ice area in the northern Hemisp.(10^12 km2) |
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209 | nv = nv + 1 ; titvar(nv) = 'AEFS' ! sea ice area in the southern Hemisp.(10^12 km2) |
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210 | nv = nv + 1 ; titvar(nv) = 'A15N' ! sea ice extent (15%) in the northern Hemisp.(10^12 km2) |
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211 | nv = nv + 1 ; titvar(nv) = 'A15S' ! sea ice extent (15%) in the southern Hemisp.(10^12 km2) |
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212 | nv = nv + 1 ; titvar(nv) = 'A85N' ! sea ice extent (85%) in the northern Hemisp.(10^12 km2) |
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213 | nv = nv + 1 ; titvar(nv) = 'A85S' ! sea ice extent (85%) in the southern Hemisp.(10^12 km2) |
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214 | nv = nv + 1 ; titvar(nv) = 'ALEN' ! leads area in the northern Hemisp.(10^12 km2) |
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215 | nv = nv + 1 ; titvar(nv) = 'ALES' ! leads area in the southern Hemisp.(10^12 km2) |
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216 | nv = nv + 1 ; titvar(nv) = 'VOLN' ! sea ice volume in the northern Hemisp.(10^3 km3) |
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217 | nv = nv + 1 ; titvar(nv) = 'VOLS' ! sea ice volume in the southern Hemisp.(10^3 km3) |
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218 | nv = nv + 1 ; titvar(nv) = 'VONN' ! snow volume over sea ice in the northern Hemisp.(10^3 km3) |
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219 | nv = nv + 1 ; titvar(nv) = 'VONS' ! snow volume over sea ice in the southern Hemisp.(10^3 km3) |
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220 | nv = nv + 1 ; titvar(nv) = 'ECGN' ! mean sea ice velocity in the northern Hemisp.(m/s) |
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221 | nv = nv + 1 ; titvar(nv) = 'ECGS' ! mean sea ice velocity in the southern Hemisp.(m/s) |
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222 | |
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223 | nvinfo = nv |
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224 | |
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225 | ! Definition et Ecriture de l'entete : nombre d'enregistrements |
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226 | ndeb = ( nit000 - 1 + nn_fsbc - 1 ) / ninfo |
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227 | IF( nit000 - 1 + nn_fsbc == 1 ) ndeb = -1 |
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228 | |
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229 | nferme = ( nitend + nn_fsbc - 1 ) / ninfo ! nit000 - 1 + nn_fsbc - 1 + nitend - nit000 + 1 |
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230 | ntot = nferme - ndeb |
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231 | ndeb = ninfo * ( 1 + ndeb ) |
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232 | nferme = ninfo * nferme |
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233 | |
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234 | ! definition of formats |
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235 | WRITE( fmtw , '(A,I3,A2,I1,A)' ) '(', nfrinf, '(A', jpchsep, ','//fmtinf//'))' |
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236 | WRITE( fmtr , '(A,I3,A,I1,A)' ) '(', nfrinf, '(', jpchsep, 'X,'//fmtinf//'))' |
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237 | WRITE( fmtitr, '(A,I3,A,I1,A)' ) '(', nvinfo, 'A', jpchinf, ')' |
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238 | |
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239 | ! opening "ice_evolu" file |
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240 | CALL ctl_opn( numevo_ice, 'ice_evolu', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) |
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241 | |
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242 | !- ecriture de 2 lignes d''entete : |
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243 | WRITE(numevo_ice,1000) fmtr, fmtw, fmtitr, nvinfo, ntot, 0, nfrinf |
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244 | zxx0 = 0.001 * REAL( ninfo ) |
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245 | zxx1 = 0.001 * REAL( ndeb ) |
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246 | WRITE(numevo_ice,1111) REAL(jpchinf), 0., zxx1, zxx0, 0., 0., 0 |
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247 | |
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248 | !- ecriture de 2 lignes de titre : |
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249 | WRITE(numevo_ice,'(A,I8,A,I8,A,I5)') & |
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250 | 'Evolution chronologique - Experience '//cexper & |
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251 | //' de', ndeb, ' a', nferme, ' pas', ninfo |
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252 | WRITE(numevo_ice,fmtitr) ( titvar(jv), jv = 1, nvinfo ) |
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253 | |
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254 | |
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255 | !--preparation de "titvar" pour l''ecriture parmi les valeurs numeriques : |
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256 | DO jv = 2 , nvinfo |
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257 | titinf = titvar(jv)(:jpchinf) |
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258 | titvar(jv) = ' '//titinf |
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259 | END DO |
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260 | |
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261 | !--Initialisation of the arrays for the accumulation |
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262 | DO jv = 1, nvinfo |
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263 | vinfom(jv) = 0. |
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264 | END DO |
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265 | naveg = 0 |
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266 | |
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267 | 1000 FORMAT( 3(A20),4(1x,I6) ) |
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268 | 1111 FORMAT( 3(F7.1,1X,F7.3,1X),I3,A ) |
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269 | ! |
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270 | END SUBROUTINE lim_dia_init_2 |
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271 | |
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272 | #else |
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273 | !!---------------------------------------------------------------------- |
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274 | !! Default option : NO LIM 2.0 sea-ice model |
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275 | !!---------------------------------------------------------------------- |
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276 | CONTAINS |
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277 | SUBROUTINE lim_dia_2 ! Empty routine |
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278 | END SUBROUTINE lim_dia_2 |
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279 | #endif |
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280 | |
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281 | !!====================================================================== |
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282 | END MODULE limdia_2 |
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