1 | SUBROUTINE ice_th_glohec(eti,ets,etilayer,kideb,kiut,jl, |
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2 | & nlay_s, nlay_i) |
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3 | |
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4 | !!----------------------------------------------------------------------- |
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5 | !! *** ROUTINE ice_th_glohec *** |
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6 | !! |
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7 | !! ** Purpose : Compute total heat content for each category |
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8 | !! Works with 1d vectors only |
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9 | !! |
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10 | !! history : |
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11 | !! 9.9 ! 07-04 (M.Vancoppenolle) original code |
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12 | !!----------------------------------------------------------------------- |
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13 | !! * Local variables |
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14 | |
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15 | INCLUDE 'type.com' |
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16 | INCLUDE 'para.com' |
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17 | INCLUDE 'const.com' |
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18 | INCLUDE 'ice.com' |
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19 | INCLUDE 'thermo.com' |
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20 | |
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21 | INTEGER, INTENT(in) :: |
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22 | & kideb, kiut, ! bounds for the spatial loop |
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23 | & jl ! category number |
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24 | |
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25 | REAL(8), DIMENSION (nbpt,jpl), INTENT(out) :: |
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26 | & eti, ets ! vertically-summed heat content for ice /snow |
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27 | |
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28 | REAL(8), DIMENSION (nbpt,maxnlay), INTENT(out) :: |
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29 | & etilayer ! heat content for ice layers |
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30 | |
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31 | REAL(8) :: |
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32 | & zdes, ! snow heat content increment (dummy) |
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33 | & zeps ! very small value (1.e-10) |
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34 | |
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35 | INTEGER :: |
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36 | & ji,jj,jk ! loop indices |
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37 | |
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38 | !!----------------------------------------------------------------------- |
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39 | eti(:,:) = 0.0 |
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40 | ets(:,:) = 0.0 |
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41 | zeps = 1.0e-10 |
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42 | |
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43 | ! total q over all layers, ice [J.m-2] |
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44 | DO jk = 1, nlay_i |
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45 | DO ji = kideb, kiut |
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46 | etilayer(ji,jk) = q_i_b(ji,jk) |
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47 | & * ht_i_b(ji) / nlay_i |
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48 | eti(ji,jl) = eti(ji,jl) + etilayer(ji,jk) |
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49 | END DO |
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50 | END DO |
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51 | |
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52 | ! total q over all layers, snow [J.m-2] |
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53 | DO ji = kideb, kiut |
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54 | zdes = q_s_b(ji,1) * ht_s_b(ji) / nlay_s |
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55 | ets(ji,jl) = ets(ji,jl) + zdes |
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56 | END DO |
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57 | |
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58 | RETURN |
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59 | !------------------------------------------------------------------------------ |
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60 | END SUBROUTINE ice_th_glohec |
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61 | |
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62 | !============================================================================== |
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63 | |
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64 | SUBROUTINE ice_th_enmelt(kideb, kiut, nlay_s, nlay_i) |
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65 | !!----------------------------------------------------------------------- |
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66 | !! *** ROUTINE ice_th_enmelt *** |
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67 | !! |
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68 | !! ** Purpose : Computes sea ice energy of melting q_i (J.m-3) |
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69 | !! |
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70 | !! ** Method : Formula (Bitz and Lipscomb, 1999) |
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71 | !! |
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72 | !! history : Martin Vancoppenolle, May 2007 |
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73 | !!------------------------------------------------------------------- |
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74 | |
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75 | INCLUDE 'type.com' |
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76 | INCLUDE 'para.com' |
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77 | INCLUDE 'const.com' |
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78 | INCLUDE 'ice.com' |
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79 | INCLUDE 'thermo.com' |
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80 | |
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81 | REAL(8) :: !: goes to trash |
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82 | & ztmelts , !: sea ice freezing point in K |
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83 | & zeps |
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84 | |
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85 | INTEGER :: |
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86 | & ji, !: spatial loop index |
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87 | & jk !: vertical index |
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88 | |
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89 | LOGICAL :: |
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90 | & ln_write = .FALSE. |
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91 | |
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92 | !!------------------------------------------------------------------- |
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93 | zeps = 1.0e-10 |
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94 | IF ( ln_write ) THEN |
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95 | WRITE(numout,*) ' ** ice_th_enmelt : ' |
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96 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~ ' |
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97 | WRITE(numout,*) |
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98 | WRITE(numout,*) ' kideb : ', kideb |
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99 | WRITE(numout,*) ' kiut : ', kiut |
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100 | WRITE(numout,*) ' nlay_s: ', nlay_s |
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101 | WRITE(numout,*) ' nlay_i: ', nlay_i |
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102 | ENDIF |
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103 | |
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104 | ! Sea ice energy of melting |
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105 | DO jk = 1, nlay_i |
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106 | DO ji = kideb, kiut |
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107 | ztmelts = - tmut * s_i_b(ji,jk) + tpw |
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108 | q_i_b(ji,jk) = rhog * ( cpg * ( ztmelts - t_i_b(ji,jk) ) |
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109 | & + lfus*( 1.0 - (ztmelts-tpw) / |
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110 | & MIN((t_i_b(ji,jk)-tpw),-zeps) ) |
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111 | & - cpw * ( ztmelts-tpw ) ) |
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112 | END DO !ji |
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113 | END DO !jk |
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114 | |
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115 | ! Snow energy of melting |
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116 | DO jk = 1, nlay_s |
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117 | DO ji = kideb,kiut |
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118 | q_s_b(ji,jk) = rhon * ( cpg * ( tpw - t_s_b(ji,jk) ) + |
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119 | & lfus ) |
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120 | END DO !ji |
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121 | END DO !jk |
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122 | |
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123 | WRITE(numout,*) |
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124 | |
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125 | RETURN |
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126 | !------------------------------------------------------------------------------ |
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127 | END SUBROUTINE ice_th_enmelt |
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128 | |
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129 | !============================================================================== |
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130 | |
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131 | SUBROUTINE ice_th_con_dif(kideb,kiut,nlay_s,nlay_i,jl) |
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132 | !!----------------------------------------------------------------------- |
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133 | !! *** ROUTINE ice_th_con_dif *** |
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134 | !! |
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135 | !! ** Purpose : Test energy conservation after heat diffusion |
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136 | !! |
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137 | !! history : |
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138 | !! 9.9 ! 07-04 (M.Vancoppenolle) original code |
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139 | !!------------------------------------------------------------------- |
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140 | !! * Local variables |
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141 | |
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142 | INCLUDE 'type.com' |
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143 | INCLUDE 'para.com' |
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144 | INCLUDE 'const.com' |
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145 | INCLUDE 'ice.com' |
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146 | INCLUDE 'thermo.com' |
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147 | |
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148 | REAL(8) :: !: ! goes to trash |
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149 | & meance, !: mean conservation error |
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150 | & max_cons_err, !: maximum tolerated conservation error |
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151 | & max_surf_err !: maximum tolerated surface error |
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152 | |
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153 | INTEGER :: |
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154 | & numce !: number of points for which conservation |
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155 | ! is violated |
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156 | INTEGER :: |
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157 | & ji,jj,jk, !: loop indices |
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158 | & zji, zjj |
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159 | |
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160 | LOGICAL :: |
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161 | & l_write |
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162 | !!--------------------------------------------------------------------- |
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163 | |
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164 | max_cons_err = 0.1 |
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165 | max_surf_err = 0.001 |
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166 | l_write = .TRUE. |
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167 | |
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168 | IF ( l_write ) THEN |
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169 | WRITE(numout,*) ' ** ice_th_con_dif : ' |
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170 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~ ' |
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171 | ENDIF |
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172 | |
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173 | !-------------------------- |
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174 | ! 1) Increment of energy |
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175 | !-------------------------- |
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176 | ! vertically integrated |
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177 | DO ji = kideb, kiut |
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178 | dq_i(ji,jl) = qt_i_fin(ji,jl) - qt_i_in(ji,jl) |
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179 | & + qt_s_fin(ji,jl) - qt_s_in(ji,jl) |
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180 | END DO |
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181 | |
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182 | ! layer by layer |
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183 | DO ji = kideb, kiut |
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184 | DO jk = 1, nlay_i |
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185 | dq_i_layer(ji,jk) = q_i_layer_fin(ji,jk) - |
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186 | & q_i_layer_in(ji,jk) |
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187 | END DO |
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188 | END DO |
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189 | |
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190 | !------------------------------------------- |
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191 | ! 2) Atmospheric heat flux, ice heat budget |
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192 | !------------------------------------------- |
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193 | |
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194 | DO ji = kideb, kiut |
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195 | fatm(ji,jl) = ab(ji)*fsolgb(ji) + fratsb(ji) |
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196 | & + fcsb(ji) + fleb(ji) |
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197 | sum_fluxq(ji,jl) = fc_su(ji) - fc_bo_i(ji) |
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198 | & + fsolgb(ji)*(1-ab(ji)) - ftroce |
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199 | END DO |
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200 | |
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201 | IF ( l_write ) THEN |
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202 | DO ji = kideb, kiut |
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203 | WRITE(numout,*) ' fc_su : ', fc_su(ji) |
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204 | WRITE(numout,*) ' fc_bo_i : ', fc_bo_i(ji) |
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205 | WRITE(numout,*) ' fsol*io : ', fsolgb(ji)*(1.-ab(ji)) |
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206 | WRITE(numout,*) ' ftroce : ', ftroce |
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207 | END DO |
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208 | ENDIF |
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209 | |
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210 | !----------------------- |
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211 | ! 3) Conservation error |
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212 | !----------------------- |
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213 | DO ji = kideb, kiut |
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214 | cons_error(ji,jl) = ABS( dq_i(ji,jl) / ddtb + |
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215 | & sum_fluxq(ji,jl) ) |
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216 | END DO |
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217 | |
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218 | numce = 0 |
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219 | meance = 0.0 |
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220 | DO ji = kideb, kiut |
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221 | IF ( cons_error(ji,jl) .GT. max_cons_err ) THEN |
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222 | numce = numce + 1 |
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223 | meance = meance + cons_error(ji,jl) |
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224 | ENDIF |
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225 | IF (numce .GT. 0 ) meance = meance / numce |
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226 | |
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227 | IF ( cons_error(ji,jl) .GT. max_cons_err ) THEN |
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228 | WRITE(numout,*) ' Diffusion of heat - large cons. error ' |
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229 | WRITE(numout,*) ' Maximum tolerated conservation error : ', |
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230 | & max_cons_err |
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231 | WRITE(numout,*) ' Thickness category : ', jl |
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232 | WRITE(numout,*) ' DIF Mean conservation error ', |
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233 | & meance, numit |
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234 | ENDIF |
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235 | |
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236 | ENDDO |
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237 | |
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238 | !--------------------------------------------------------- |
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239 | ! 4) Surface error due to imbalance between Fatm and Fcsu |
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240 | !--------------------------------------------------------- |
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241 | numce = 0.0 |
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242 | meance = 0.0 |
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243 | |
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244 | DO ji = kideb, kiut |
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245 | surf_error(ji,jl) = ABS ( fatm(ji,jl) - fc_su(ji) ) |
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246 | IF ( ( t_su_b(ji) .LT. tpw ) .AND. ( surf_error(ji,jl) .GT. |
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247 | & max_surf_err ) ) THEN |
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248 | numce = numce + 1 |
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249 | meance = meance + surf_error(ji,jl) |
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250 | ENDIF |
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251 | IF (numce .GT. 0 ) meance = meance / numce |
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252 | |
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253 | IF ( ( t_su_b(ji) .LT. tpw ) .AND. ( surf_error(ji,jl) .GT. |
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254 | & max_surf_err ) ) THEN |
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255 | WRITE(numout,*) ' Diffusion of heat - large surface error ' |
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256 | WRITE(numout,*) ' Surf_error : ', surf_error(1,jl), |
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257 | & ' (W/m2) ' |
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258 | WRITE(numout,*) ' Maximum tolerated surface error : ', |
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259 | & max_surf_err |
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260 | WRITE(numout,*) ' Thickness category : ', jl |
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261 | WRITE(numout,*) ' t_su_b: ', t_su_b(ji) |
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262 | WRITE(numout,*) ' t_s_b : ', ( t_s_b(ji,layer), |
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263 | & layer = 1, nlay_s ) |
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264 | WRITE(numout,*) ' t_i_b : ', ( t_i_b(ji,layer), |
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265 | & layer = 1, nlay_i ) |
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266 | ENDIF |
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267 | |
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268 | ENDDO |
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269 | |
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270 | !------------------- |
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271 | ! 5) Layer by layer |
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272 | !------------------- |
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273 | IF ( l_write ) THEN |
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274 | WRITE(numout,*) |
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275 | WRITE(numout,*) ' Layer by layer ... ' |
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276 | |
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277 | DO ji = kideb, kiut |
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278 | WRITE(numout,*) ' T_su : ', t_su_b(ji) |
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279 | WRITE(numout,*) ' *** Snow *** h_s = ', |
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280 | & ht_s_b(ji) |
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281 | |
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282 | IF ( ht_s_b(ji) .GT. 0.0 ) THEN |
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283 | zdqs = ( qt_s_fin(ji,jl) - qt_s_in(ji,jl) ) / ddtb |
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284 | WRITE(numout,*) ' Conservation error (W/m2): ', |
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285 | & ABS( zdqs + fc_s(ji,0) - |
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286 | & fc_s(ji,1) + radab_s(1) ) |
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287 | ENDIF |
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288 | END DO |
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289 | |
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290 | DO ji = kideb, kiut |
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291 | WRITE(numout,*) ' *** Ice *** h_i = ', ht_i_b(ji) |
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292 | DO jk = 1, nlay_i |
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293 | WRITE(numout,*) ' LAYER : ', jk |
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294 | WRITE(numout,*) ' Conservation error (W/m2): ', |
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295 | & ABS( dq_i_layer(ji,jk) / ddtb + fc_i(ji,jk-1) - |
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296 | & fc_i(ji,jk) + radab_i(jk) ) !radab_phy_i(jk) + radab_alg_i(jk) ) |
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297 | END DO |
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298 | END DO |
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299 | |
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300 | ENDIF |
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301 | ! |
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302 | !------------------------------------------------------------------------------ |
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303 | END SUBROUTINE ice_th_con_dif |
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304 | !============================================================================== |
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305 | |
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306 | SUBROUTINE ice_th_con_dh(kideb,kiut,nlay_s,nlay_i,jl) |
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307 | !!----------------------------------------------------------------------- |
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308 | !! *** ROUTINE ice_th_con_dh *** |
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309 | !! |
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310 | !! ** Purpose : Test energy conservation after ice growth and melt |
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311 | !! |
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312 | !! history : |
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313 | !! 9.9 ! 07-04 (M.Vancoppenolle) original code |
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314 | !!------------------------------------------------------------------- |
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315 | !! * Local variables |
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316 | |
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317 | INCLUDE 'type.com' |
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318 | INCLUDE 'para.com' |
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319 | INCLUDE 'const.com' |
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320 | INCLUDE 'ice.com' |
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321 | INCLUDE 'thermo.com' |
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322 | |
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323 | REAL(8) :: !: ! goes to trash |
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324 | & meance, !: mean conservation error |
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325 | & max_cons_err, !: maximum tolerated conservation error |
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326 | & max_surf_err !: maximum tolerated surface error |
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327 | |
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328 | INTEGER :: |
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329 | & numce !: number of points for which conservation |
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330 | ! is violated |
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331 | INTEGER :: |
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332 | & ji,jj,jk, !: loop indices |
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333 | & zji, zjj |
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334 | LOGICAL :: |
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335 | & l_write |
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336 | |
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337 | !!--------------------------------------------------------------------- |
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338 | |
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339 | l_write = .TRUE. |
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340 | max_cons_err = 0.1 |
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341 | max_surf_err = 0.001 |
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342 | |
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343 | WRITE(numout,*) ' ** ice_th_con_dh : ' |
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344 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~ ' |
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345 | |
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346 | !------------------------ |
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347 | ! 1) Increment of energy |
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348 | !------------------------ |
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349 | DO ji = kideb, kiut ! vertically integrated |
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350 | dq_i(ji,jl) = qt_i_fin(ji,jl) - qt_i_in(ji,jl) |
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351 | & + qt_s_fin(ji,jl) - qt_s_in(ji,jl) |
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352 | END DO |
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353 | |
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354 | DO ji = kideb, kiut ! layer by layer |
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355 | DO jk = 1, nlay_i |
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356 | dq_i_layer(ji,jk) = q_i_layer_fin(ji,jk) - |
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357 | & q_i_layer_in(ji,jk) |
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358 | END DO |
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359 | END DO |
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360 | |
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361 | !------------------------------------------- |
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362 | ! 2) Atmospheric heat flux, ice heat budget |
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363 | !------------------------------------------- |
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364 | DO ji = kideb, kiut |
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365 | fatm(ji,jl) = fsolgb(ji) + fratsb(ji) |
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366 | & + fcsb(ji) + fleb(ji) |
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367 | sum_fluxq(ji,jl) = fatm(ji,jl) + fbbqb(ji) |
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368 | & - ftroce + fsnic + fprec |
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369 | END DO |
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370 | |
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371 | IF ( l_write ) THEN |
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372 | DO ji = kideb, kiut |
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373 | WRITE(numout,*) ' fsolgb : ' , fsolgb(ji) |
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374 | WRITE(numout,*) ' fratsb : ' , fratsb(ji) |
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375 | WRITE(numout,*) ' fcsb : ' , fcsb(ji) |
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376 | WRITE(numout,*) ' fleb : ' , fleb(ji) |
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377 | WRITE(numout,*) |
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378 | WRITE(numout,*) ' fatm : ' , fatm(ji,jl) |
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379 | WRITE(numout,*) ' fbbqb : ' , fbbqb(ji) |
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380 | WRITE(numout,*) ' ftroce : ' , ftroce |
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381 | WRITE(numout,*) ' fprec : ' , fprec |
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382 | WRITE(numout,*) ' fsnic : ' , fsnic |
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383 | WRITE(numout,*) |
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384 | WRITE(numout,*) ' sum_fluxq : ', sum_fluxq(ji,jl) |
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385 | WRITE(numout,*) ' dq_i : ', dq_i(ji,jl) / ddtb |
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386 | END DO |
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387 | ENDIF |
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388 | |
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389 | !----------------------- |
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390 | ! 3) Conservation error |
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391 | !----------------------- |
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392 | IF ( l_write ) WRITE(numout,*) ' kideb, kiut, jl : ', |
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393 | & kideb, kiut, jl |
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394 | |
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395 | DO ji = kideb, kiut |
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396 | cons_error(ji,jl) = ABS( dq_i(ji,jl) / ddtb + |
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397 | & sum_fluxq(ji,jl) ) |
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398 | END DO |
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399 | |
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400 | numce = 0 |
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401 | meance = 0.0 |
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402 | DO ji = kideb, kiut |
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403 | IF ( cons_error(ji,jl) .GT. max_cons_err ) THEN |
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404 | numce = numce + 1 |
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405 | meance = meance + cons_error(ji,jl) |
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406 | ENDIF |
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407 | IF (numce .GT. 0 ) meance = meance / numce |
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408 | |
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409 | IF ( cons_error(ji,jl) .GT. max_cons_err ) THEN |
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410 | WRITE(numout,*) ' Growth and melt - large cons. error ' |
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411 | WRITE(numout,*) ' Maximum tolerated conservation error : ', |
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412 | & max_cons_err |
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413 | WRITE(numout,*) ' DH Mean conservation error ', |
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414 | & meance, numit |
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415 | ENDIF |
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416 | ENDDO |
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417 | |
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418 | !------------------------------------------------------------------------------ |
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419 | END SUBROUTINE ice_th_con_dh |
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