1 | MODULE zdfini |
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2 | !!====================================================================== |
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3 | !! *** MODULE zdfini *** |
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4 | !! Ocean physics : define vertical mixing variables |
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5 | !!===================================================================== |
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6 | |
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7 | !!---------------------------------------------------------------------- |
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8 | !! zdf_init : initialization, namelist read, and parameters control |
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9 | !!---------------------------------------------------------------------- |
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10 | !! * Modules used |
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11 | USE par_oce ! mesh and scale factors |
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12 | USE ldftra_oce ! ??? |
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13 | USE ldfdyn_oce ! ??? |
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14 | USE zdf_oce ! TKE vertical mixing |
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15 | USE zdftke ! TKE vertical mixing |
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16 | USE zdfddm ! double diffusion mixing |
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17 | USE zdfevd ! enhanced vertical diffusion |
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18 | USE zdfric ! Richardson vertical mixing |
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19 | USE tranpc ! convection: non penetrative adjustment |
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20 | USE ldfslp ! ??? |
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21 | |
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22 | USE in_out_manager ! I/O manager |
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23 | |
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24 | IMPLICIT NONE |
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25 | PRIVATE |
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26 | |
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27 | !! * Routine accessibility |
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28 | PUBLIC zdf_init ! routine called by opa.F90 |
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29 | !!---------------------------------------------------------------------- |
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30 | !! OPA 9.0 ! LODYC-IPSL (2003) |
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31 | !!---------------------------------------------------------------------- |
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32 | |
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33 | CONTAINS |
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34 | |
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35 | SUBROUTINE zdf_init |
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36 | !!---------------------------------------------------------------------- |
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37 | !! *** ROUTINE zdf_init *** |
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38 | !! |
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39 | !! ** Purpose : initializations of the vertical ocean physics |
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40 | !! |
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41 | !! ** Method : Read namelist namzdf, control cpp keys |
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42 | !! |
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43 | !! History : |
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44 | !! ! 97-06 (G. Madec) Original code from inimix |
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45 | !! 8.5 ! 02-08 (G. Madec) F90 : free form |
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46 | !!---------------------------------------------------------------------- |
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47 | !! * Local declarations |
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48 | INTEGER :: ioptio ! temporary scalar |
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49 | LOGICAL :: & !!! namzdf: vertical diffusion |
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50 | ln_zdfexp = .FALSE. ! explicit vertical diffusion scheme flag |
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51 | |
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52 | !! * Namelist |
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53 | NAMELIST/namzdf/ ln_zdfevd, ln_zdfnpc, & |
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54 | & avm0, avt0, avevd, nevdm, ln_zdfexp, n_zdfexp |
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55 | !!---------------------------------------------------------------------- |
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56 | !! OPA 9.0, LODYC-IPSL (2003) |
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57 | !!---------------------------------------------------------------------- |
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58 | |
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59 | ! Read namzdf namelist : vertical mixing parameters |
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60 | ! -------------------- |
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61 | REWIND( numnam ) |
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62 | READ ( numnam, namzdf ) |
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63 | |
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64 | ! Parameter print |
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65 | ! --------------- |
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66 | IF(lwp) THEN |
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67 | WRITE(numout,*) |
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68 | WRITE(numout,*) 'zdf_init: vertical physics' |
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69 | WRITE(numout,*) '~~~~~~~~' |
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70 | WRITE(numout,*) ' Namelist namzdf : set vertical mixing mixing parameters' |
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71 | WRITE(numout,*) ' enhanced vertical diffusion ln_zdfevd = ', ln_zdfevd |
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72 | WRITE(numout,*) ' non-penetrative convection ln_zdfnpc = ', ln_zdfnpc |
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73 | WRITE(numout,*) ' vertical eddy viscosity avm0 = ', avm0 |
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74 | WRITE(numout,*) ' vertical eddy diffusivity avt0 = ', avt0 |
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75 | WRITE(numout,*) ' vertical coefficient for evd avevd = ', avevd |
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76 | WRITE(numout,*) ' applied on momentum (=1/0) nevdm = ', nevdm |
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77 | WRITE(numout,*) ' time splitting / backward scheme ln_zdfexp = ', ln_zdfexp |
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78 | WRITE(numout,*) ' number of time step n_zdfexp = ', n_zdfexp |
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79 | ENDIF |
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80 | |
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81 | ! Parameter & key controls |
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82 | ! ------------------------ |
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83 | ! ... vertical mixing |
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84 | ! time stepping scheme (N.B. TKE scheme => force the use of implicit scheme) |
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85 | IF( ln_zdfexp .AND. .NOT.lk_zdftke ) THEN |
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86 | l_trazdf_exp = .TRUE. ! use explicit scheme |
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87 | l_trazdf_imp = .FALSE. |
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88 | l_dynzdf_exp = .TRUE. ! use explicit scheme |
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89 | l_dynzdf_imp = .FALSE. |
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90 | ELSE |
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91 | l_trazdf_exp = .FALSE. ! use implicit scheme |
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92 | l_trazdf_imp = .TRUE. |
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93 | l_dynzdf_exp = .FALSE. ! use implicit scheme |
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94 | l_dynzdf_imp = .TRUE. |
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95 | ENDIF |
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96 | IF( l_trazdf_iso .OR. l_trazdf_iso_vo ) THEN |
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97 | l_trazdf_exp = .FALSE. ! iso-neutral diffusion : |
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98 | l_trazdf_imp = .FALSE. ! implicit scheme included in iso-neutral routine |
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99 | ENDIF |
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100 | IF( l_dynldf_iso ) THEN |
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101 | l_dynzdf_exp = .FALSE. ! iso-neutral diffusion : |
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102 | l_dynzdf_imp = .FALSE. ! implicit scheme included in iso-neutral routine |
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103 | ENDIF |
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104 | #if defined key_autotasking |
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105 | IF( l_dynzdf_imp ) THEN |
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106 | l_dynzdf_imp = .FALSE. |
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107 | l_dynzdf_imp_tsk = .TRUE. |
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108 | ENDIF |
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109 | #else |
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110 | l_dynzdf_imp_tsk = .FALSE. |
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111 | #endif |
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112 | IF( lk_esopa ) THEN |
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113 | l_trazdf_exp = .TRUE. ! esopa: use all options |
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114 | l_trazdf_imp = .TRUE. |
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115 | l_dynzdf_exp = .TRUE. ! esopa: use all options |
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116 | l_dynzdf_imp = .TRUE. |
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117 | l_dynzdf_imp_tsk = .TRUE. |
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118 | ENDIF |
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119 | |
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120 | IF(lwp) WRITE(numout,*) |
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121 | IF(lwp) WRITE(numout,*) ' vertical mixing option :' |
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122 | ioptio = 0 |
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123 | IF( lk_zdfcst ) THEN |
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124 | IF(lwp) WRITE(numout,*) ' constant eddy diffusion coef.' |
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125 | ioptio = ioptio+1 |
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126 | ENDIF |
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127 | IF( lk_zdfric ) THEN |
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128 | IF(lwp) WRITE(numout,*) ' Richardson dependent eddy coef.' |
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129 | ioptio = ioptio+1 |
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130 | ENDIF |
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131 | IF( lk_zdftke ) THEN |
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132 | IF(lwp) WRITE(numout,*) ' TKE dependent eddy coef.' |
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133 | ioptio = ioptio+1 |
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134 | ENDIF |
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135 | IF( ioptio == 0 .OR. ioptio > 1 .AND. .NOT. lk_esopa ) THEN |
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136 | IF(lwp) WRITE(numout,cform_err) |
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137 | IF(lwp) WRITE(numout,*) ' one and only one vertical diffusion option has to be defined ' |
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138 | nstop = nstop + 1 |
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139 | ENDIF |
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140 | |
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141 | ! ... Convection |
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142 | IF(lwp) WRITE(numout,*) |
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143 | IF(lwp) WRITE(numout,*) ' convection :' |
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144 | ioptio = 0 |
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145 | IF( ln_zdfnpc ) THEN |
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146 | IF(lwp) WRITE(numout,*) ' use non penetrative convective scheme' |
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147 | ioptio = ioptio+1 |
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148 | ENDIF |
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149 | IF( ln_zdfevd ) THEN |
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150 | IF(lwp) WRITE(numout,*) ' use enhanced vertical dif. scheme' |
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151 | ioptio = ioptio+1 |
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152 | ENDIF |
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153 | IF( lk_zdftke ) THEN |
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154 | IF(lwp) WRITE(numout,*) ' use the 1.5 turbulent closure' |
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155 | ENDIF |
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156 | IF ( ioptio > 1 .AND. .NOT. lk_esopa ) THEN |
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157 | IF(lwp) WRITE(numout,cform_err) |
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158 | IF(lwp) WRITE(numout,*) ' chose between key_convnpc' |
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159 | IF(lwp) WRITE(numout,*) ' and key_convevd' |
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160 | nstop = nstop + 1 |
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161 | ENDIF |
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162 | IF( ioptio == 0 .AND. .NOT. lk_zdftke ) THEN |
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163 | IF(lwp) WRITE(numout,cform_err) |
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164 | IF(lwp) WRITE(numout,*) ' except for TKE scheme, a convection scheme is' |
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165 | IF(lwp) WRITE(numout,*) ' required: convevd or convnpc keys' |
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166 | nstop = nstop + 1 |
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167 | ENDIF |
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168 | |
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169 | END SUBROUTINE zdf_init |
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170 | |
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171 | !!====================================================================== |
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172 | END MODULE zdfini |
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