1 | SUBROUTINE surfini(ngrid,piceco2,qsurf,psolaralb) |
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2 | ! to use 'getin' |
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3 | USE ioipsl_getincom |
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4 | IMPLICIT NONE |
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5 | c======================================================================= |
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6 | c |
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7 | c creation des calottes pour l'etat initial |
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8 | c |
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9 | c======================================================================= |
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10 | c----------------------------------------------------------------------- |
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11 | c Declarations: |
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12 | c ------------- |
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13 | #include "dimensions.h" |
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14 | #include "dimphys.h" |
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15 | #include "surfdat.h" |
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16 | #include "callkeys.h" |
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17 | #include "tracer.h" |
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18 | #include "comgeomfi.h" |
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19 | #include "comcstfi.h" |
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20 | c |
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21 | INTEGER ngrid,ig,icap,iq,alternate |
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22 | REAL piceco2(ngrid),psolaralb(ngrid,2) |
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23 | REAL qsurf(ngrid,nqmx) !tracer on surface (kg/m2) |
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24 | REAL icedryness ! ice dryness |
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25 | |
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26 | EXTERNAL ISMIN,ISMAX |
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27 | INTEGER ISMIN,ISMAX |
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28 | |
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29 | ! Choose false to have a somewhat non resolution dependant water ice caps distribution, |
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30 | ! i.e based only on lat & lon values of each physical point. |
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31 | ! Choose true to get a carefully choosen distribution for GCM resolutions 32x24 or 64x48 |
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32 | ! For vizualisation : soon ... |
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33 | LOGICAL,SAVE :: improvedicelocation = .true. |
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34 | c |
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35 | c======================================================================= |
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36 | |
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37 | c water ice outliers |
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38 | c ------------------------------------------ |
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39 | |
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40 | IF ((water) .and. (caps)) THEN |
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41 | |
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42 | c Perennial H20 north cap defined by watercaptag=true (allows surface to be |
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43 | c hollowed by sublimation in vdifc). |
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44 | |
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45 | c We might not want albedodat to be modified because it is used to write |
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46 | c restart files. Instead, albedo is directly modified when needed (i.e. |
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47 | c if we have watercaptag and no co2 ice), below and in albedocaps.F90 |
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48 | |
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49 | c "Dryness coefficient" controlling the evaporation and |
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50 | c sublimation from the ground water ice (close to 1) |
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51 | c HERE, the goal is to correct for the fact |
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52 | c that the simulated permanent water ice polar caps |
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53 | c is larger than the actual cap and the atmospheric |
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54 | c opacity not always realistic. |
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55 | |
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56 | alternate = 0 |
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57 | temptag = .true. |
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58 | |
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59 | write(*,*) "Ice dryness ?" |
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60 | icedryness=1. ! default value |
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61 | call getin("icedryness",icedryness) |
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62 | write(*,*) " icedryness = ",icedryness |
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63 | |
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64 | |
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65 | #ifdef MESOSCALE |
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66 | do ig=1,ngridmx |
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67 | !write(*,*) "all qsurf to zero. dirty." |
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68 | do iq=1,nqmx |
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69 | qsurf(ig,iq)=0. !! on jette les inputs GCM |
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70 | !! on regle juste watercaptag |
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71 | !! il faudrait garder les inputs GCM |
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72 | !! si elles sont consequentes |
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73 | enddo |
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74 | if ( ( lati(ig)*180./pi .gt. 70. ) .and. |
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75 | . ( albedodat(ig) .ge. 0.26 ) ) then |
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76 | write(*,*)"outlier ",ig |
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77 | watercaptag(ig) = .true. |
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78 | dryness(ig) = 1. |
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79 | albedodat(ig) = albedo_h2o_ice !! pour output |
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80 | else |
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81 | watercaptag(ig) = .false. |
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82 | dryness(ig) = 1. |
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83 | endif |
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84 | enddo |
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85 | #else |
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86 | ! print*,'ngridmx',ngridmx |
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87 | |
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88 | if (improvedicelocation) then |
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89 | |
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90 | if (ngridmx .eq. 738) then ! hopefully 32x24 |
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91 | print*,'water ice caps distribution for 32x24 resolution:' |
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92 | watercaptag(1:9) = .true. ! central cap - core |
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93 | watercaptag(26:33) = .true. ! central cap |
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94 | |
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95 | else if (ngridmx .eq. 3010) then ! hopefully 64x48 |
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96 | print*,'water ice caps distribution for 64x48 resolution:' |
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97 | watercaptag(1:65) = .true. ! central cap - core |
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98 | ! watercaptag(85) = .true. ! central cap |
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99 | watercaptag(83:85) = .true. ! central cap - BIGGER |
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100 | watercaptag(93:114) = .true. ! central cap |
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101 | ! watercaptag(254) = .true. ! Korolev crater |
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102 | ! watercaptag(255) = .true. ! Korolev crater --DECALE |
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103 | watercaptag(242:257)= .true. ! Korolev crater -- VERY BIG |
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104 | !-------------------------------------------------------------------- |
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105 | ! watercaptag(136) = .true. ! outlier, lat = 78.75 |
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106 | ! watercaptag(138) = .true. ! outlier, lat = 78.75 |
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107 | ! watercaptag(140) = .true. ! outlier, lat = 78.75 |
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108 | ! watercaptag(142) = .true. ! outlier, lat = 78.75 |
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109 | ! watercaptag(183) = .true. ! outlier, lat = 78.75 |
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110 | ! watercaptag(185) = .true. ! outlier, lat = 78.75 |
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111 | ! watercaptag(187) = .true. ! outlier, lat = 78.75 |
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112 | ! watercaptag(189) = .true. ! outlier, lat = 78.75 |
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113 | ! watercaptag(191) = .true. ! outlier, lat = 78.75 |
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114 | ! watercaptag(193) = .true. ! outlier, lat = 78.75 |
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115 | !-------------------------------------------------------------------- |
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116 | watercaptag(135:142)= .true. ! BIG outlier, lat = 78.75 |
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117 | watercaptag(181:193)= .true. ! BIG outlier, lat = 78.75 |
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118 | |
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119 | else if (ngridmx .ne. 1) then |
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120 | print*,'No improved ice location for this resolution!' |
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121 | print*,'Please set improvedicelocation to false in surfini.' |
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122 | print*,'And check lat and lon conditions for ice caps in code.' |
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123 | call exit(1) |
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124 | |
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125 | endif |
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126 | |
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127 | ! print caps locations |
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128 | print*,'latitude | longitude | ig' |
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129 | do ig=1,ngridmx |
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130 | dryness (ig) = icedryness |
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131 | !!! OU alors tu mets dryness = icedrag sur outliers et 1 ailleurs |
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132 | !!! OU remettre comme c'était avant Aymeric et pis c'est tout |
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133 | if (watercaptag(ig)) then |
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134 | print*,'ice water cap', lati(ig)*180./pi, |
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135 | . long(ig)*180./pi, ig |
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136 | endif |
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137 | enddo |
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138 | |
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139 | !!------------------------ test ----------------------------- |
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140 | !!----------------------------------------------------------- |
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141 | !! else if (1) then ! DUMMY !!, CAREFUL !!, TOUT CA .... |
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142 | !! |
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143 | !! do ig=1,ngridmx |
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144 | !! dryness (ig) = 1 |
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145 | !! if (albedodat(ig) .ge. 0.35) then |
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146 | !! watercaptag(ig) = .true. |
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147 | !! print*,' albedo criteria ice water cap', lati(ig)*180./pi, |
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148 | !! . long(ig)*180./pi, ig |
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149 | !! endif |
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150 | !! enddo |
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151 | !!----------------------------------------------------------- |
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152 | !!----------------------------------------------------------- |
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153 | |
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154 | else |
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155 | |
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156 | do ig=1,ngridmx |
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157 | |
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158 | dryness (ig) = icedryness |
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159 | |
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160 | !!c Towards olympia planitia water caps ('relatively' low latitude ones) |
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161 | !!c---------------- proposition par AS -------------------- |
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162 | !!c-------------------------------------------------------- |
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163 | !!c if ( ( lati(ig)*180./pi .ge. 75 ) .and. |
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164 | !!c . ( lati(ig)*180./pi .le. 77 ) .and. |
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165 | !!c . ( ( ( long(ig)*180./pi .ge. 000. ) .and. |
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166 | !!c . ( long(ig)*180./pi .le. 120. ) ) |
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167 | !!c . .or. |
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168 | !!c . ( ( long(ig)*180./pi .ge. -130. ) .and. |
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169 | !!c . ( long(ig)*180./pi .le. -115. ) ) ) ) then |
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170 | !!c---------------- proposition par TN -------------------- |
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171 | !!c---------------- HIGHLY EXPERIMENTAL ------------------- |
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172 | !!c-------------------------------------------------------- |
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173 | !! if ( ( ( lati(ig)*180./pi .ge. 73. ) .and. ! cap #1 |
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174 | !! . ( lati(ig)*180./pi .le. 75.1 ) .and. |
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175 | !! . ( long(ig)*180./pi .ge. 95. ) .and. |
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176 | !! . ( long(ig)*180./pi .le. 110. ) ) |
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177 | !! . .or. |
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178 | !! . ( ( lati(ig)*180./pi .ge. 77. ) .and. ! cap #2 |
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179 | !! . ( lati(ig)*180./pi .le. 80. ) .and. |
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180 | !! . ( long(ig)*180./pi .ge. 110. ) .and. |
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181 | !! . ( long(ig)*180./pi .le. 140. ) ) |
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182 | !! . .or. |
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183 | !! . ( ( lati(ig)*180./pi .ge. 74.9 ) .and. ! cap #3 |
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184 | !! . ( lati(ig)*180./pi .le. 78. ) .and. |
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185 | !! . ( long(ig)*180./pi .ge. 155. ) .and. |
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186 | !! . ( long(ig)*180./pi .le. 180. ) ) |
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187 | !! . .or. |
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188 | !! . ( ( lati(ig)*180./pi .ge. 71. ) .and. ! cap #4 (Korolev crater) |
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189 | !! . ( lati(ig)*180./pi .le. 72. ) .and. |
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190 | !! . ( long(ig)*180./pi .ge. 163. ) .and. |
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191 | !! . ( long(ig)*180./pi .le. 168. ) ) |
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192 | !! . .or. |
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193 | !! . ( ( lati(ig)*180./pi .ge. 74.9 ) .and. ! cap #5 |
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194 | !! . ( lati(ig)*180./pi .le. 78. ) .and. |
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195 | !! . ( long(ig)*180./pi .ge. -160.) .and. |
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196 | !! . ( long(ig)*180./pi .le. -120.) ) ) |
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197 | !! . then |
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198 | if ( ( ( lati(ig)*180./pi .ge. 77. ) .and. ! cap #2 |
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199 | . ( lati(ig)*180./pi .le. 80. ) .and. |
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200 | . ( long(ig)*180./pi .ge. 110. ) .and. |
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201 | . ( long(ig)*180./pi .le. 181. ) ) |
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202 | . .or. |
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203 | |
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204 | . ( ( lati(ig)*180./pi .ge. 75. ) .and. ! cap #4 (Korolev crater) |
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205 | . ( lati(ig)*180./pi .le. 76. ) .and. |
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206 | . ( long(ig)*180./pi .ge. 150. ) .and. |
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207 | . ( long(ig)*180./pi .le. 168. ) ) |
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208 | . .or. |
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209 | . ( ( lati(ig)*180./pi .ge. 77 ) .and. ! cap #5 |
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210 | . ( lati(ig)*180./pi .le. 80. ) .and. |
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211 | . ( long(ig)*180./pi .ge. -150.) .and. |
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212 | . ( long(ig)*180./pi .le. -110.) ) ) |
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213 | . then |
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214 | |
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215 | if (temptag) then |
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216 | |
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217 | if ((alternate .eq. 0)) then ! 1/2 en 64x48 sinon trop large en lat |
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218 | if (ngridmx.ne.1) watercaptag(ig)=.true. |
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219 | ! print*,'ice water cap', lati(ig)*180./pi, |
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220 | ! . long(ig)*180./pi, ig |
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221 | !dryness(ig) = 1. |
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222 | alternate = 1 |
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223 | else |
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224 | alternate = 0 |
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225 | endif !end if alternate = 0 |
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226 | |
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227 | else |
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228 | |
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229 | ! if (ngridmx.ne.1) watercaptag(ig)=.true. |
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230 | ! write(*,*) "outliers ", lati(ig)*180./pi, |
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231 | ! . long(ig)*180./pi |
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232 | |
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233 | endif ! end if temptag |
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234 | |
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235 | endif |
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236 | |
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237 | |
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238 | c Opposite olympia planitia water cap |
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239 | c---------------- proposition par AS -------------------- |
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240 | c-------------------------------------------------------- |
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241 | c if ( ( lati(ig)*180./pi .ge. 82 ) .and. |
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242 | c . ( lati(ig)*180./pi .le. 84 ) .and. |
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243 | c . ( ( long(ig)*180./pi .gt. -030. ) .and. |
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244 | c . ( long(ig)*180./pi .lt. 090. ) ) ) then |
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245 | c---------------- proposition par TN -------------------- |
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246 | c-------------------------------------------------------- |
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247 | if ( ( ( lati(ig)*180./pi .ge. 80 ) .and. |
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248 | . ( lati(ig)*180./pi .le. 84 ) ) |
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249 | . .and. |
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250 | . ( ( long(ig)*180./pi .lt. -95. ) .or. !!! 32x24 |
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251 | . ( long(ig)*180./pi .gt. 85. ) ) ) then !!! 32x24 |
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252 | ! . ( ( ( long(ig)*180./pi .ge. -29. ) .and. !!! 64x48 |
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253 | ! . ( long(ig)*180./pi .le. 90. ) ) .or. !!! 64x48 |
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254 | ! . ( ( long(ig)*180./pi .ge. -77. ) .and. !!! 64x48 |
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255 | ! . ( long(ig)*180./pi .le. -70. ) ) ) ) then !!! 64x48 |
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256 | if (ngridmx.ne.1) then |
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257 | watercaptag(ig)=.true. |
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258 | print*,'ice water cap', lati(ig)*180./pi, |
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259 | . long(ig)*180./pi, ig |
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260 | endif |
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261 | !dryness(ig) = 1. |
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262 | endif |
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263 | |
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264 | c Central cap |
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265 | c---------------- anciens reglages FF ------------------- |
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266 | c-------------------------------------------------------- |
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267 | |
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268 | if (lati(ig)*180./pi.gt.84) then |
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269 | print*,'ice water cap', lati(ig)*180./pi, |
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270 | . long(ig)*180./pi, ig |
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271 | if (ngridmx.ne.1) watercaptag(ig)=.true. |
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272 | !dryness(ig) = 1. |
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273 | c Use the following cap definition for high spatial resolution (latitudinal bin <= 5 deg) |
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274 | c if (lati(ig)*180./pi.lt.85.and.long(ig).ge.0) then |
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275 | c if (ngridmx.ne.1) watercaptag(ig)=.true. |
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276 | c dryness(ig) = 1. |
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277 | c endif |
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278 | c if (lati(ig)*180./pi.ge.85) then |
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279 | c if (ngridmx.ne.1) watercaptag(ig)=.true. |
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280 | c dryness(ig) = 1. |
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281 | c endif |
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282 | endif ! (lati>80 deg) |
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283 | |
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284 | end do ! (ngridmx) |
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285 | |
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286 | endif ! of if (improvedicelocation) |
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287 | #endif |
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288 | |
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289 | ENDIF ! (caps & water) |
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290 | |
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291 | c =============================================================== |
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292 | c INITIAL ALBEDO |
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293 | c =============================================================== |
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294 | |
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295 | write(*,*)"surfini: water frost thickness", |
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296 | s frost_albedo_threshold |
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297 | write(*,*)"surfini: water ice albedo:", albedo_h2o_ice |
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298 | write(*,*)"surfini: water ice TI:", inert_h2o_ice |
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299 | |
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300 | c To start with : Initial albedo = observed dataset |
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301 | c ------------------------------------------------- |
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302 | DO ig=1,ngrid |
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303 | psolaralb(ig,1)=albedodat(ig) |
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304 | psolaralb(ig,2)=albedodat(ig) |
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305 | END DO |
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306 | PRINT*,'minimum albedo sans water caps', |
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307 | s albedodat(ISMIN(ngrid,albedodat,1)) |
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308 | PRINT*,'maximum albedo sans water caps', |
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309 | s albedodat(ISMAX(ngrid,albedodat,1)) |
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310 | |
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311 | c initial albedo if permanent H2O ice is present |
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312 | c ------------------------------------------------ |
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313 | IF ((water) .and. (caps)) THEN |
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314 | DO ig=1,ngrid |
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315 | IF (watercaptag(ig)) THEN |
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316 | psolaralb(ig,1) = albedo_h2o_ice |
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317 | psolaralb(ig,2) = albedo_h2o_ice |
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318 | ENDIF |
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319 | END DO |
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320 | PRINT*,'minimum albedo avec water caps', |
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321 | s psolaralb(ISMIN(ngrid,psolaralb,1),1) |
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322 | PRINT*,'maximum albedo avec water caps', |
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323 | s psolaralb(ISMAX(ngrid,psolaralb,1),1) |
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324 | |
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325 | ENDIF |
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326 | |
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327 | c changing initial albedo if CO2 ice is present |
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328 | c ------------------------------------------- |
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329 | |
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330 | DO ig=1,ngrid |
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331 | IF (piceco2(ig) .GT. 0.) THEN |
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332 | IF(ig.GT.ngrid/2+1) THEN |
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333 | icap=2 |
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334 | ELSE |
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335 | icap=1 |
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336 | ENDIF |
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337 | psolaralb(ig,1) = albedice(icap) |
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338 | psolaralb(ig,2) = albedice(icap) |
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339 | END IF |
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340 | END DO |
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341 | |
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342 | c changing initial albedo if water ice frost is present |
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343 | c ------------------------------------------- |
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344 | IF (water) THEN |
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345 | do iq=1,nqmx |
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346 | c if there is frost and surface albedo is set to albedo_h2o_ice |
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347 | if(noms(iq).eq."h2o_ice") then |
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348 | do ig=1,ngrid |
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349 | if ((piceco2(ig) .eq. 0.).and. |
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350 | & (qsurf(ig,iq).gt.frost_albedo_threshold)) then |
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351 | psolaralb(ig,1) = albedo_h2o_ice |
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352 | psolaralb(ig,2) = albedo_h2o_ice |
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353 | c PRINT*,'surfini.F frost', |
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354 | c & lati(ig)*180./pi, long(ig)*180./pi |
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355 | endif |
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356 | enddo |
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357 | endif |
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358 | end do |
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359 | PRINT*,'minimum albedo avec givre et co2', |
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360 | s psolaralb(ISMIN(ngrid,psolaralb,1),1) |
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361 | PRINT*,'maximum albedo avec givre et co2', |
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362 | s psolaralb(ISMAX(ngrid,psolaralb,1),1) |
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363 | END IF |
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364 | |
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365 | |
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366 | RETURN |
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367 | END |
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