1 | ! |
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2 | !************************************************************************ |
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3 | ! Fortran 95 OPA Nesting tools * |
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4 | ! * |
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5 | ! Copyright (C) 2005 Florian Lemari�(Florian.Lemarie@imag.fr) * |
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6 | ! * |
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7 | !************************************************************************ |
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8 | ! |
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9 | PROGRAM create_rstrt_ice |
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10 | ! |
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11 | USE NETCDF |
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12 | USE bilinear_interp |
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13 | USE bicubic_interp |
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14 | USE agrif_readwrite |
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15 | USE io_netcdf |
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16 | USE agrif_extrapolation |
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17 | USE agrif_interpolation |
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18 | USE agrif_partial_steps |
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19 | USE agrif_connect_topo |
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20 | ! |
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21 | IMPLICIT NONE |
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22 | ! |
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23 | !************************************************************************ |
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24 | ! * |
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25 | ! PROGRAM CREATE_RSTRT_ICE * |
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26 | ! * |
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27 | ! program to interpolate parent grid restart file to child grid * |
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28 | ! * |
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29 | ! * |
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30 | !Interpolation is carried out using bilinear interpolation * |
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31 | !routine from SCRIP package * |
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32 | ! * |
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33 | !http://climate.lanl.gov/Software/SCRIP/ * |
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34 | !************************************************************************ |
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35 | ! |
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36 | ! variables declaration |
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37 | ! |
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38 | CHARACTER*20,DIMENSION(:),POINTER :: Ncdf_varname => NULL() |
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39 | CHARACTER*20 :: vert_coord_name |
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40 | CHARACTER*1 :: posvar |
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41 | CHARACTER*100 :: Child_file,Childcoordinates,varname,Child_Bathy_Level,Child_Bathy_Meter |
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42 | REAL*8, POINTER, DIMENSION(:,:,:) :: tabvar00, tabvar3d,tabinterp3d,mask => NULL() |
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43 | REAL*8, POINTER, DIMENSION(:,:,:,:) :: tabinterp4d,tabvar0,tabvar1,tabvar2,tabvar3 => NULL() |
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44 | REAL*8, POINTER, DIMENSION(:) :: tabtemp1D,nav_lev => NULL() |
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45 | INTEGER, POINTER, DIMENSION(:) :: tabtemp1DInt => NULL() |
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46 | REAL*8, POINTER, DIMENSION(:,:) :: tabtemp2D,zwf => NULL() |
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47 | REAL*8, POINTER, DIMENSION(:,:) :: e1f,e2f,e1v,e2v,e1u,e2u,e1t,e2t => NULL() |
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48 | REAL*8, POINTER, DIMENSION(:,:,:,:) :: tabtemp4D => NULL() |
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49 | INTEGER,DIMENSION(:),POINTER :: src_add,dst_add => NULL() |
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50 | REAL*8,DIMENSION(:,:),POINTER :: matrix => NULL() |
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51 | LOGICAL,DIMENSION(:,:),POINTER :: masksrc => NULL() |
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52 | LOGICAL, DIMENSION(:,:,:), POINTER :: detected_pts |
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53 | LOGICAL :: Interpolation,Extrapolation,Pacifique |
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54 | INTEGER :: narg,iargc,ncid,x,y,z |
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55 | INTEGER :: ji,jl,status,varid,numdims |
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56 | CHARACTER(len=20),DIMENSION(4) :: dimnames |
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57 | CHARACTER(len=80) :: namelistname |
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58 | TYPE(Coordinates) :: G0,G1 |
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59 | INTEGER :: jpl,jpiglo,jpjglo |
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60 | REAL*8 :: tabtemp0dreal |
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61 | INTEGER :: tabtemp0dint |
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62 | |
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63 | LOGICAL, PARAMETER :: conservation = .FALSE. |
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64 | ! |
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65 | narg = iargc() |
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66 | IF (narg == 0) THEN |
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67 | namelistname = 'namelist.input' |
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68 | ELSE |
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69 | CALL getarg(1,namelistname) |
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70 | ENDIF |
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71 | ! |
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72 | ! read input file |
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73 | ! |
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74 | CALL read_namelist(namelistname) |
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75 | ! |
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76 | IF(TRIM(restart_ice_file) == '') THEN |
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77 | WRITE(*,*) 'no ice restart file specified in ',TRIM(namelistname) |
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78 | STOP |
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79 | ENDIF |
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80 | |
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81 | |
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82 | ! |
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83 | WRITE(*,*) '' |
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84 | WRITE(*,*) 'Interpolation of restart file : ',TRIM(restart_ice_file) |
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85 | WRITE(*,*) '' |
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86 | ! |
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87 | CALL Read_Ncdf_VarName(restart_ice_file,Ncdf_varname) |
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88 | ! |
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89 | CALL set_child_name(parent_coordinate_file,Childcoordinates) |
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90 | IF( TRIM(parent_bathy_level) /= '' ) CALL set_child_name(parent_bathy_level,Child_Bathy_Level) |
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91 | IF( TRIM(parent_bathy_meter) /= '' ) CALL set_child_name(parent_bathy_meter,Child_Bathy_Meter) |
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92 | ! |
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93 | ! create this file |
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94 | ! |
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95 | CALL set_child_name(restart_ice_file,Child_file) |
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96 | status = nf90_create(Child_file,NF90_WRITE,ncid) |
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97 | status = nf90_close(ncid) |
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98 | WRITE(*,*) 'Child grid restart file name = ',TRIM(Child_file) |
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99 | WRITE(*,*) '' |
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100 | ! |
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101 | ! read dimensions in parent restart file |
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102 | ! |
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103 | CALL Read_Ncdf_dim('x',restart_ice_file,x) |
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104 | CALL Read_Ncdf_dim('y',restart_ice_file,y) |
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105 | CALL Read_Ncdf_dim('numcat',restart_ice_file,z) |
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106 | |
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107 | ! |
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108 | ! mask initialization for extrapolation and interpolation |
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109 | ! |
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110 | WRITE(*,*) 'mask initialisation on coarse and fine grids' |
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111 | ! |
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112 | status = Read_Local_Coordinates(parent_coordinate_file,G0,(/jpizoom,jpjzoom/),(/x,y/)) |
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113 | status = Read_Coordinates(Childcoordinates,G1,Pacifique) |
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114 | ! |
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115 | !longitude modification if child domain covers Pacific ocean area |
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116 | ! |
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117 | IF( Pacifique ) THEN |
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118 | WHERE( G0%nav_lon < 0 ) |
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119 | G0%nav_lon = G0%nav_lon + 360. |
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120 | END WHERE |
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121 | WHERE( G1%nav_lon < 0 ) |
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122 | G1%nav_lon = G1%nav_lon + 360. |
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123 | END WHERE |
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124 | ENDIF |
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125 | ! |
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126 | ! one needs bathy_level |
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127 | IF( TRIM(parent_bathy_level) /= '' ) THEN |
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128 | status = Read_bathy_level(TRIM(parent_bathy_level),G0) |
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129 | status = Read_bathy_level(TRIM(child_bathy_level),G1) |
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130 | ELSE |
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131 | status = read_bathy_meter(TRIM(parent_bathy_meter),G0) |
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132 | status = read_bathy_meter(TRIM(child_bathy_meter),G1) |
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133 | CALL meter_to_levels(G0) |
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134 | CALL meter_to_levels(G1) |
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135 | ENDIF |
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136 | ! get masks |
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137 | CALL Init_mask(parent_bathy_level,G0,x,y) |
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138 | CALL Init_mask(child_bathy_level,G1,nxfin,nyfin) |
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139 | |
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140 | ! |
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141 | ! write dimensions in output file |
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142 | WRITE(*,*) 'write dimensions' |
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143 | ! |
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144 | CALL Write_Ncdf_dim('x',Child_file,nxfin) |
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145 | CALL Write_Ncdf_dim('y',Child_file,nyfin) |
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146 | CALL Write_Ncdf_dim('numcat',Child_file,z) |
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147 | CALL Write_Ncdf_dim('time_counter',Child_file,0) |
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148 | ! |
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149 | ! |
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150 | DO ji = 1,SIZE(Ncdf_varname) |
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151 | ! |
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152 | ! loop on variables names |
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153 | varname = TRIM(Ncdf_varname(ji)) |
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154 | ! |
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155 | WRITE(*,*) 'var = ',TRIM(varname) |
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156 | ! |
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157 | SELECT CASE (varname) |
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158 | ! |
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159 | !copy nav_lon from child coordinates to output file |
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160 | ! |
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161 | CASE('nav_lon') |
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162 | CALL Read_Ncdf_var(varname,TRIM(Childcoordinates),tabtemp2D) |
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163 | CALL Write_Ncdf_var(varname,(/'x','y'/),Child_file,tabtemp2D,'float') |
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164 | CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file, MINVAL(tabtemp2D),MAXVAL(tabtemp2D)) |
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165 | DEALLOCATE(tabtemp2D) |
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166 | Interpolation = .FALSE. |
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167 | ! |
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168 | !copy nav_lat from child coordinates to output file |
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169 | ! |
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170 | CASE('nav_lat') |
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171 | CALL Read_Ncdf_var(varname,TRIM(Childcoordinates),tabtemp2D) |
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172 | CALL Write_Ncdf_var(varname,(/'x','y'/),Child_file,tabtemp2D,'float') |
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173 | CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file,MINVAL(tabtemp2D),MAXVAL(tabtemp2D)) |
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174 | DEALLOCATE(tabtemp2D) |
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175 | Interpolation = .FALSE. |
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176 | ! |
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177 | !copy numcat from restart_ice_file to output file |
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178 | ! |
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179 | CASE('numcat') |
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180 | CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),nav_lev) |
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181 | CALL Write_Ncdf_var(varname,varname,Child_file,nav_lev,'float') |
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182 | CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) |
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183 | Interpolation = .FALSE. |
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184 | ! |
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185 | !copy time from restart_ice_file to output file |
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186 | ! |
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187 | CASE('time_counter') |
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188 | CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabtemp1D) |
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189 | tabtemp1D = tabtemp1D * rhot |
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190 | CALL Write_Ncdf_var(varname,'time_counter',Child_file,tabtemp1D,'double') |
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191 | CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) |
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192 | DEALLOCATE(tabtemp1D) |
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193 | Interpolation = .FALSE. |
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194 | ! |
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195 | !copy info from restart_ice_file to output file |
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196 | ! |
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197 | CASE('kt_ice') |
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198 | CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabtemp0dreal) |
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199 | tabtemp0dreal = tabtemp0dreal * rhot |
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200 | CALL Write_Ncdf_var(varname,Child_file,tabtemp0dreal,'double') |
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201 | CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) |
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202 | Interpolation = .FALSE. |
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203 | ! |
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204 | CASE('nn_fsbc') |
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205 | CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabtemp0dreal) |
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206 | CALL Write_Ncdf_var(varname,Child_file,tabtemp0dreal,'double') |
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207 | CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) |
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208 | Interpolation = .FALSE. |
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209 | ! |
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210 | CASE('frc_voltop','frc_volbot','frc_temtop','frc_tembot') |
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211 | CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabtemp0dreal) |
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212 | CALL Write_Ncdf_var(varname,Child_file,tabtemp0dreal,'double') |
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213 | CALL Copy_Ncdf_att(varname,TRIM(restart_ice_file),Child_file) |
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214 | Interpolation = .FALSE. |
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215 | ! |
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216 | CASE('u_ice') |
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217 | vert_coord_name = '1' |
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218 | posvar='U' |
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219 | Interpolation = .TRUE. |
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220 | |
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221 | CASE('v_ice') |
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222 | vert_coord_name = '1' |
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223 | posvar='V' |
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224 | Interpolation = .TRUE. |
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225 | |
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226 | CASE('stress12_i') |
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227 | vert_coord_name = '1' |
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228 | posvar='F' |
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229 | Interpolation = .TRUE. |
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230 | |
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231 | CASE DEFAULT |
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232 | IF( Get_NbDims(TRIM(Ncdf_varname(ji)),TRIM(restart_ice_file)) == 4 ) THEN |
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233 | vert_coord_name = 'numcat' |
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234 | ELSEIF( Get_NbDims(TRIM(Ncdf_varname(ji)),TRIM(restart_ice_file)) == 3 ) THEN |
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235 | vert_coord_name = '1' |
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236 | ENDIF |
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237 | posvar='T' |
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238 | Interpolation = .TRUE. |
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239 | ! |
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240 | END SELECT |
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241 | |
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242 | IF( Interpolation ) THEN |
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243 | ! |
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244 | ! |
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245 | IF( vert_coord_name == '1' ) THEN |
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246 | jpl = 1 |
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247 | ELSE |
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248 | jpl = z |
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249 | ENDIF |
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250 | ! |
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251 | ALLOCATE(detected_pts(SIZE(G0%tmask,1),SIZE(G0%tmask,2),jpl)) |
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252 | ALLOCATE(tabvar00(x,y,1)) |
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253 | ALLOCATE(tabvar0(x,y,jpl,1)) |
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254 | ALLOCATE(tabvar1(x,y,1,1)) |
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255 | ALLOCATE(tabvar2(x,y,1,1)) |
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256 | ALLOCATE(tabvar3(x,y,1,1)) |
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257 | ALLOCATE(masksrc(x,y)) |
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258 | ALLOCATE(tabinterp4d(nxfin,nyfin,jpl,1)) |
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259 | |
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260 | IF( vert_coord_name == '1' ) THEN |
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261 | CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabvar00) |
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262 | ELSE |
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263 | CALL Read_Ncdf_var(varname,TRIM(restart_ice_file),tabvar0) |
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264 | ENDIF |
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265 | |
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266 | DO jl = 1, jpl |
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267 | ! |
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268 | WRITE(*,*) 'interpolate/extrapolate for category = ',jl |
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269 | ! |
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270 | IF( vert_coord_name == '1' ) THEN |
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271 | tabvar1(:,:,1,1) = tabvar00(:,:,1) |
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272 | tabvar2(:,:,1,1) = tabvar00(:,:,1) |
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273 | tabvar3(:,:,1,1) = tabvar00(:,:,1) |
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274 | ELSE |
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275 | tabvar1(:,:,1,1) = tabvar0(:,:,jl,1) |
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276 | tabvar2(:,:,1,1) = tabvar0(:,:,jl,1) |
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277 | tabvar3(:,:,1,1) = tabvar0(:,:,jl,1) |
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278 | ENDIF |
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279 | ! |
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280 | CALL extrap_detect(G0,G1,detected_pts(:,:,jl),1,posvar) |
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281 | CALL correct_field(detected_pts(:,:,jl),tabvar1,tabvar2,tabvar3,G0,nav_lev,masksrc,1,posvar) !clem: nav_lev is useless here |
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282 | |
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283 | SELECT CASE(TRIM(interp_type)) |
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284 | CASE('bilinear') |
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285 | CALL get_remap_matrix(G0%nav_lat,G1%nav_lat,G0%nav_lon,G1%nav_lon,masksrc,matrix,src_add,dst_add) |
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286 | CALL make_remap(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1),nxfin,nyfin,matrix,src_add,dst_add) |
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287 | CASE('bicubic') |
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288 | CALL get_remap_bicub(G0%nav_lat,G1%nav_lat,G0%nav_lon,G1%nav_lon,masksrc,matrix,src_add,dst_add) |
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289 | CALL make_bicubic_remap(tabvar1(:,:,1,1),masksrc,tabinterp4d(:,:,jl,1),nxfin,nyfin,matrix,src_add,dst_add) |
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290 | END SELECT |
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291 | ! |
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292 | IF( conservation ) THEN ! clem: currently this does not work (and is only coded for T) |
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293 | SELECT CASE (posvar) |
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294 | CASE( 'T' ) |
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295 | CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1), & |
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296 | & G0%e1t,G0%e2t,G1%e1t,G1%e2t,nxfin,nyfin,posvar,imin-jpizoom+1,jmin-jpjzoom+1) |
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297 | CASE( 'U' ) |
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298 | CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1), & |
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299 | & G0%e1u,G0%e2u,G1%e1u,G1%e2u,nxfin,nyfin,posvar,imin-jpizoom+1,jmin-jpjzoom+1) |
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300 | CASE( 'V' ) |
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301 | CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1), & |
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302 | & G0%e1v,G0%e2v,G1%e1v,G1%e2v,nxfin,nyfin,posvar,imin-jpizoom+1,jmin-jpjzoom+1) |
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303 | CASE( 'F' ) |
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304 | CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,jl,1), & |
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305 | & G0%e1f,G0%e2f,G1%e1f,G1%e2f,nxfin,nyfin,posvar,imin-jpizoom+1,jmin-jpjzoom+1) |
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306 | END SELECT |
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307 | ENDIF |
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308 | tabinterp4d(:,:,jl,1) = tabinterp4d(:,:,jl,1) * G1%tmask(:,:,1) |
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309 | |
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310 | IF(ASSOCIATED(matrix)) DEALLOCATE(matrix,src_add,dst_add) |
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311 | |
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312 | ENDDO |
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313 | |
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314 | dimnames(1)='x' |
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315 | dimnames(2)='y' |
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316 | IF( vert_coord_name == '1' ) THEN |
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317 | dimnames(3)='time_counter' |
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318 | |
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319 | ALLOCATE(tabvar3d(SIZE(tabinterp4d,1),SIZE(tabinterp4d,2),SIZE(tabinterp4d,3))) |
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320 | tabvar3d=tabinterp4d(:,:,:,1) |
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321 | CALL Write_Ncdf_var(varname,dimnames,Child_file,tabvar3d,'double') |
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322 | DEALLOCATE(tabvar3d) |
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323 | ELSE |
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324 | dimnames(3)='numcat' |
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325 | dimnames(4)='time_counter' |
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326 | |
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327 | CALL Write_Ncdf_var(TRIM(varname),dimnames,Child_file,tabinterp4d,'double') |
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328 | ENDIF |
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329 | ! |
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330 | CALL Copy_Ncdf_att(TRIM(varname),TRIM(restart_ice_file),Child_file) |
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331 | |
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332 | DEALLOCATE(detected_pts) |
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333 | DEALLOCATE(tabinterp4d) |
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334 | DEALLOCATE(tabvar00, tabvar0, tabvar1,tabvar2,tabvar3) |
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335 | DEALLOCATE(masksrc) |
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336 | |
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337 | ENDIF |
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338 | END DO |
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339 | ! |
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340 | WRITE(*,*) ' ' |
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341 | WRITE(*,*) '******* restart file successfully created *******' |
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342 | WRITE(*,*) ' ' |
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343 | ! |
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344 | STOP |
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345 | END PROGRAM create_rstrt_ice |
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346 | |
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347 | |
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