1 | MODULE lbclnk |
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2 | !!====================================================================== |
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3 | !! *** MODULE lbclnk *** |
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4 | !! Ocean : lateral boundary conditions |
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5 | !!===================================================================== |
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6 | #if defined key_mpp_mpi || defined key_mpp_shmem |
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7 | !!---------------------------------------------------------------------- |
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8 | !! 'key_mpp_mpi' OR MPI massively parallel processing library |
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9 | !! 'key_mpp_shmem' SHMEM massively parallel processing library |
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10 | !!---------------------------------------------------------------------- |
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11 | !!---------------------------------------------------------------------- |
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12 | !! lbc_lnk : generic interface for mpp_lnk_3d and mpp_lnk_2d |
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13 | !! routines defined in lib_mpp |
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14 | !! lbc_lnk_e : generic interface for mpp_lnk_2d_e |
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15 | !! routinee defined in lib_mpp |
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16 | !!---------------------------------------------------------------------- |
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17 | !! * Modules used |
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18 | USE lib_mpp ! distributed memory computing library |
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19 | |
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20 | INTERFACE lbc_lnk |
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21 | MODULE PROCEDURE mpp_lnk_3d_gather, mpp_lnk_3d, mpp_lnk_2d |
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22 | END INTERFACE |
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23 | |
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24 | INTERFACE lbc_lnk_e |
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25 | MODULE PROCEDURE mpp_lnk_2d_e |
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26 | END INTERFACE |
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27 | |
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28 | PUBLIC lbc_lnk ! ocean lateral boundary conditions |
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29 | PUBLIC lbc_lnk_e |
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30 | !!---------------------------------------------------------------------- |
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31 | |
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32 | #else |
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33 | !!---------------------------------------------------------------------- |
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34 | !! Default option shared memory computing |
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35 | !!---------------------------------------------------------------------- |
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36 | !! lbc_lnk : generic interface for lbc_lnk_3d and lbc_lnk_2d |
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37 | !! lbc_lnk_3d : set the lateral boundary condition on a 3D variable |
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38 | !! on OPA ocean mesh |
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39 | !! lbc_lnk_2d : set the lateral boundary condition on a 2D variable |
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40 | !! on OPA ocean mesh |
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41 | !!---------------------------------------------------------------------- |
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42 | !! * Modules used |
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43 | USE oce ! ocean dynamics and tracers |
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44 | USE dom_oce ! ocean space and time domain |
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45 | USE in_out_manager ! I/O manager |
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46 | |
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47 | IMPLICIT NONE |
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48 | PRIVATE |
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49 | |
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50 | INTERFACE lbc_lnk |
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51 | MODULE PROCEDURE lbc_lnk_3d_gather, lbc_lnk_3d, lbc_lnk_2d |
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52 | END INTERFACE |
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53 | |
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54 | INTERFACE lbc_lnk_e |
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55 | MODULE PROCEDURE lbc_lnk_2d |
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56 | END INTERFACE |
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57 | |
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58 | PUBLIC lbc_lnk ! ocean/ice lateral boundary conditions |
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59 | PUBLIC lbc_lnk_e |
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60 | !!---------------------------------------------------------------------- |
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61 | |
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62 | CONTAINS |
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63 | |
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64 | SUBROUTINE lbc_lnk_3d_gather( pt3d1, cd_type1, pt3d2, cd_type2, psgn ) |
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65 | !!--------------------------------------------------------------------- |
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66 | !! *** ROUTINE lbc_lnk_3d_gather *** |
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67 | !! |
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68 | !! ** Purpose : set lateral boundary conditions (non mpp case) |
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69 | !! |
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70 | !! ** Method : |
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71 | !! |
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72 | !! History : |
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73 | !! ! 97-06 (G. Madec) Original code |
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74 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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75 | !!---------------------------------------------------------------------- |
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76 | !! * Arguments |
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77 | CHARACTER(len=1), INTENT( in ) :: & |
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78 | cd_type1, cd_type2 ! nature of pt3d grid-points |
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79 | ! ! = T , U , V , F or W gridpoints |
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80 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( inout ) :: & |
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81 | pt3d1, pt3d2 ! 3D array on which the boundary condition is applied |
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82 | REAL(wp), INTENT( in ) :: & |
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83 | psgn ! control of the sign change |
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84 | ! ! =-1 , the sign is changed if north fold boundary |
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85 | ! ! = 1 , no sign change |
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86 | ! ! = 0 , no sign change and > 0 required (use the inner |
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87 | ! ! row/column if closed boundary) |
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88 | |
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89 | |
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90 | !! * Local declarations |
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91 | INTEGER :: ji, jk |
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92 | INTEGER :: ijt, iju |
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93 | !!---------------------------------------------------------------------- |
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94 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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95 | !! $Id$ |
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96 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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97 | !!---------------------------------------------------------------------- |
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98 | |
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99 | ! ! =============== |
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100 | DO jk = 1, jpk ! Horizontal slab |
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101 | ! ! =============== |
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102 | |
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103 | ! ! East-West boundaries |
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104 | ! ! ==================== |
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105 | SELECT CASE ( nperio ) |
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106 | |
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107 | CASE ( 1 , 4 , 6 ) ! * cyclic east-west |
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108 | pt3d1( 1 ,:,jk) = pt3d1(jpim1,:,jk) ! all points |
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109 | pt3d1(jpi,:,jk) = pt3d1( 2 ,:,jk) |
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110 | pt3d2( 1 ,:,jk) = pt3d2(jpim1,:,jk) |
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111 | pt3d2(jpi,:,jk) = pt3d2( 2 ,:,jk) |
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112 | |
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113 | CASE DEFAULT ! * closed |
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114 | SELECT CASE ( cd_type1 ) |
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115 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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116 | pt3d1( 1 ,:,jk) = 0.e0 |
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117 | pt3d1(jpi,:,jk) = 0.e0 |
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118 | CASE ( 'F' ) ! F-point |
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119 | pt3d1(jpi,:,jk) = 0.e0 |
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120 | END SELECT |
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121 | SELECT CASE ( cd_type2 ) |
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122 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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123 | pt3d2( 1 ,:,jk) = 0.e0 |
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124 | pt3d2(jpi,:,jk) = 0.e0 |
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125 | CASE ( 'F' ) ! F-point |
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126 | pt3d2(jpi,:,jk) = 0.e0 |
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127 | END SELECT |
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128 | |
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129 | END SELECT |
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130 | |
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131 | ! ! North-South boundaries |
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132 | ! ! ====================== |
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133 | SELECT CASE ( nperio ) |
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134 | |
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135 | CASE ( 2 ) ! * south symmetric |
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136 | |
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137 | SELECT CASE ( cd_type1 ) |
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138 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
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139 | pt3d1(:, 1 ,jk) = pt3d1(:,3,jk) |
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140 | pt3d1(:,jpj,jk) = 0.e0 |
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141 | CASE ( 'V' , 'F' ) ! V-, F-points |
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142 | pt3d1(:, 1 ,jk) = psgn * pt3d1(:,2,jk) |
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143 | pt3d1(:,jpj,jk) = 0.e0 |
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144 | END SELECT |
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145 | SELECT CASE ( cd_type2 ) |
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146 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
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147 | pt3d2(:, 1 ,jk) = pt3d2(:,3,jk) |
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148 | pt3d2(:,jpj,jk) = 0.e0 |
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149 | CASE ( 'V' , 'F' ) ! V-, F-points |
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150 | pt3d2(:, 1 ,jk) = psgn * pt3d2(:,2,jk) |
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151 | pt3d2(:,jpj,jk) = 0.e0 |
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152 | END SELECT |
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153 | |
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154 | CASE ( 3 , 4 ) ! * North fold T-point pivot |
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155 | |
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156 | pt3d1( 1 ,jpj,jk) = 0.e0 |
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157 | pt3d1(jpi,jpj,jk) = 0.e0 |
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158 | pt3d2( 1 ,jpj,jk) = 0.e0 |
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159 | pt3d2(jpi,jpj,jk) = 0.e0 |
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160 | |
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161 | SELECT CASE ( cd_type1 ) |
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162 | CASE ( 'T' , 'W' ) ! T-, W-point |
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163 | DO ji = 2, jpi |
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164 | ijt = jpi-ji+2 |
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165 | pt3d1(ji, 1 ,jk) = 0.e0 |
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166 | pt3d1(ji,jpj,jk) = psgn * pt3d1(ijt,jpj-2,jk) |
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167 | END DO |
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168 | DO ji = jpi/2+1, jpi |
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169 | ijt = jpi-ji+2 |
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170 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(ijt,jpjm1,jk) |
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171 | END DO |
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172 | CASE ( 'U' ) ! U-point |
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173 | DO ji = 1, jpi-1 |
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174 | iju = jpi-ji+1 |
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175 | pt3d1(ji, 1 ,jk) = 0.e0 |
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176 | pt3d1(ji,jpj,jk) = psgn * pt3d1(iju,jpj-2,jk) |
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177 | END DO |
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178 | DO ji = jpi/2, jpi-1 |
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179 | iju = jpi-ji+1 |
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180 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(iju,jpjm1,jk) |
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181 | END DO |
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182 | CASE ( 'V' ) ! V-point |
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183 | DO ji = 2, jpi |
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184 | ijt = jpi-ji+2 |
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185 | pt3d1(ji, 1 ,jk) = 0.e0 |
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186 | pt3d1(ji,jpj-1,jk) = psgn * pt3d1(ijt,jpj-2,jk) |
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187 | pt3d1(ji,jpj ,jk) = psgn * pt3d1(ijt,jpj-3,jk) |
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188 | END DO |
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189 | CASE ( 'F' ) ! F-point |
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190 | DO ji = 1, jpi-1 |
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191 | iju = jpi-ji+1 |
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192 | pt3d1(ji,jpj-1,jk) = psgn * pt3d1(iju,jpj-2,jk) |
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193 | pt3d1(ji,jpj ,jk) = psgn * pt3d1(iju,jpj-3,jk) |
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194 | END DO |
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195 | END SELECT |
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196 | SELECT CASE ( cd_type2 ) |
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197 | CASE ( 'T' , 'W' ) ! T-, W-point |
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198 | DO ji = 2, jpi |
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199 | ijt = jpi-ji+2 |
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200 | pt3d2(ji, 1 ,jk) = 0.e0 |
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201 | pt3d2(ji,jpj,jk) = psgn * pt3d2(ijt,jpj-2,jk) |
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202 | END DO |
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203 | DO ji = jpi/2+1, jpi |
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204 | ijt = jpi-ji+2 |
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205 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(ijt,jpjm1,jk) |
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206 | END DO |
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207 | CASE ( 'U' ) ! U-point |
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208 | DO ji = 1, jpi-1 |
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209 | iju = jpi-ji+1 |
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210 | pt3d2(ji, 1 ,jk) = 0.e0 |
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211 | pt3d2(ji,jpj,jk) = psgn * pt3d2(iju,jpj-2,jk) |
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212 | END DO |
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213 | DO ji = jpi/2, jpi-1 |
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214 | iju = jpi-ji+1 |
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215 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(iju,jpjm1,jk) |
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216 | END DO |
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217 | CASE ( 'V' ) ! V-point |
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218 | DO ji = 2, jpi |
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219 | ijt = jpi-ji+2 |
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220 | pt3d2(ji, 1 ,jk) = 0.e0 |
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221 | pt3d2(ji,jpj-1,jk) = psgn * pt3d2(ijt,jpj-2,jk) |
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222 | pt3d2(ji,jpj ,jk) = psgn * pt3d2(ijt,jpj-3,jk) |
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223 | END DO |
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224 | CASE ( 'F' ) ! F-point |
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225 | DO ji = 1, jpi-1 |
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226 | iju = jpi-ji+1 |
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227 | pt3d2(ji,jpj-1,jk) = psgn * pt3d2(iju,jpj-2,jk) |
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228 | pt3d2(ji,jpj ,jk) = psgn * pt3d2(iju,jpj-3,jk) |
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229 | END DO |
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230 | END SELECT |
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231 | |
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232 | CASE ( 5 , 6 ) ! * North fold F-point pivot |
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233 | |
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234 | pt3d1( 1 ,jpj,jk) = 0.e0 |
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235 | pt3d1(jpi,jpj,jk) = 0.e0 |
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236 | pt3d2( 1 ,jpj,jk) = 0.e0 |
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237 | pt3d2(jpi,jpj,jk) = 0.e0 |
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238 | |
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239 | SELECT CASE ( cd_type1 ) |
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240 | CASE ( 'T' , 'W' ) ! T-, W-point |
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241 | DO ji = 1, jpi |
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242 | ijt = jpi-ji+1 |
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243 | pt3d1(ji, 1 ,jk) = 0.e0 |
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244 | pt3d1(ji,jpj,jk) = psgn * pt3d1(ijt,jpj-1,jk) |
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245 | END DO |
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246 | CASE ( 'U' ) ! U-point |
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247 | DO ji = 1, jpi-1 |
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248 | iju = jpi-ji |
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249 | pt3d1(ji, 1 ,jk) = 0.e0 |
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250 | pt3d1(ji,jpj,jk) = psgn * pt3d1(iju,jpj-1,jk) |
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251 | END DO |
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252 | CASE ( 'V' ) ! V-point |
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253 | DO ji = 1, jpi |
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254 | ijt = jpi-ji+1 |
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255 | pt3d1(ji, 1 ,jk) = 0.e0 |
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256 | pt3d1(ji,jpj,jk) = psgn * pt3d1(ijt,jpj-2,jk) |
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257 | END DO |
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258 | DO ji = jpi/2+1, jpi |
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259 | ijt = jpi-ji+1 |
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260 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(ijt,jpjm1,jk) |
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261 | END DO |
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262 | CASE ( 'F' ) ! F-point |
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263 | DO ji = 1, jpi-1 |
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264 | iju = jpi-ji |
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265 | pt3d1(ji,jpj ,jk) = psgn * pt3d1(iju,jpj-2,jk) |
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266 | END DO |
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267 | DO ji = jpi/2+1, jpi-1 |
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268 | iju = jpi-ji |
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269 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(iju,jpjm1,jk) |
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270 | END DO |
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271 | END SELECT |
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272 | SELECT CASE ( cd_type2 ) |
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273 | CASE ( 'T' , 'W' ) ! T-, W-point |
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274 | DO ji = 1, jpi |
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275 | ijt = jpi-ji+1 |
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276 | pt3d2(ji, 1 ,jk) = 0.e0 |
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277 | pt3d2(ji,jpj,jk) = psgn * pt3d2(ijt,jpj-1,jk) |
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278 | END DO |
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279 | CASE ( 'U' ) ! U-point |
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280 | DO ji = 1, jpi-1 |
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281 | iju = jpi-ji |
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282 | pt3d2(ji, 1 ,jk) = 0.e0 |
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283 | pt3d2(ji,jpj,jk) = psgn * pt3d2(iju,jpj-1,jk) |
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284 | END DO |
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285 | CASE ( 'V' ) ! V-point |
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286 | DO ji = 1, jpi |
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287 | ijt = jpi-ji+1 |
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288 | pt3d2(ji, 1 ,jk) = 0.e0 |
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289 | pt3d2(ji,jpj,jk) = psgn * pt3d2(ijt,jpj-2,jk) |
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290 | END DO |
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291 | DO ji = jpi/2+1, jpi |
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292 | ijt = jpi-ji+1 |
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293 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(ijt,jpjm1,jk) |
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294 | END DO |
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295 | CASE ( 'F' ) ! F-point |
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296 | DO ji = 1, jpi-1 |
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297 | iju = jpi-ji |
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298 | pt3d2(ji,jpj ,jk) = psgn * pt3d2(iju,jpj-2,jk) |
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299 | END DO |
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300 | DO ji = jpi/2+1, jpi-1 |
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301 | iju = jpi-ji |
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302 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(iju,jpjm1,jk) |
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303 | END DO |
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304 | END SELECT |
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305 | |
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306 | CASE DEFAULT ! * closed |
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307 | |
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308 | SELECT CASE ( cd_type1 ) |
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309 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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310 | pt3d1(:, 1 ,jk) = 0.e0 |
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311 | pt3d1(:,jpj,jk) = 0.e0 |
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312 | CASE ( 'F' ) ! F-point |
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313 | pt3d1(:,jpj,jk) = 0.e0 |
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314 | END SELECT |
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315 | SELECT CASE ( cd_type2 ) |
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316 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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317 | pt3d2(:, 1 ,jk) = 0.e0 |
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318 | pt3d2(:,jpj,jk) = 0.e0 |
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319 | CASE ( 'F' ) ! F-point |
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320 | pt3d2(:,jpj,jk) = 0.e0 |
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321 | END SELECT |
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322 | |
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323 | END SELECT |
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324 | ! ! =============== |
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325 | END DO ! End of slab |
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326 | ! ! =============== |
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327 | |
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328 | END SUBROUTINE lbc_lnk_3d_gather |
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329 | |
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330 | |
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331 | SUBROUTINE lbc_lnk_3d( pt3d, cd_type, psgn, cd_mpp, pval ) |
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332 | !!--------------------------------------------------------------------- |
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333 | !! *** ROUTINE lbc_lnk_3d *** |
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334 | !! |
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335 | !! ** Purpose : set lateral boundary conditions (non mpp case) |
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336 | !! |
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337 | !! ** Method : |
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338 | !! |
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339 | !! History : |
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340 | !! ! 97-06 (G. Madec) Original code |
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341 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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342 | !!---------------------------------------------------------------------- |
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343 | !! * Arguments |
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344 | CHARACTER(len=1), INTENT( in ) :: & |
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345 | cd_type ! nature of pt3d grid-points |
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346 | ! ! = T , U , V , F or W gridpoints |
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347 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( inout ) :: & |
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348 | pt3d ! 3D array on which the boundary condition is applied |
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349 | REAL(wp), INTENT( in ) :: & |
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350 | psgn ! control of the sign change |
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351 | ! ! =-1 , the sign is changed if north fold boundary |
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352 | ! ! = 1 , no sign change |
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353 | ! ! = 0 , no sign change and > 0 required (use the inner |
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354 | ! ! row/column if closed boundary) |
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355 | CHARACTER(len=3), INTENT( in ), OPTIONAL :: & |
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356 | cd_mpp ! fill the overlap area only (here do nothing) |
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357 | REAL(wp) , INTENT(in ), OPTIONAL :: pval ! background value (used at closed boundaries) |
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358 | |
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359 | !! * Local declarations |
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360 | INTEGER :: ji, jk |
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361 | INTEGER :: ijt, iju |
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362 | REAL(wp) :: zland |
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363 | !!---------------------------------------------------------------------- |
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364 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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365 | !! $Id$ |
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366 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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367 | !!---------------------------------------------------------------------- |
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368 | |
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369 | IF( PRESENT( pval ) ) THEN ! set land value (zero by default) |
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370 | zland = pval |
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371 | ELSE |
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372 | zland = 0.e0 |
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373 | ENDIF |
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374 | |
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375 | |
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376 | IF( PRESENT( cd_mpp ) ) THEN |
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377 | ! only fill the overlap area and extra allows |
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378 | ! this is in mpp case. In this module, just do nothing |
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379 | ELSE |
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380 | |
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381 | ! ! =============== |
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382 | DO jk = 1, jpk ! Horizontal slab |
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383 | ! ! =============== |
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384 | |
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385 | ! ! East-West boundaries |
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386 | ! ! ==================== |
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387 | SELECT CASE ( nperio ) |
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388 | |
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389 | CASE ( 1 , 4 , 6 ) ! * cyclic east-west |
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390 | pt3d( 1 ,:,jk) = pt3d(jpim1,:,jk) ! all points |
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391 | pt3d(jpi,:,jk) = pt3d( 2 ,:,jk) |
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392 | |
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393 | CASE DEFAULT ! * closed |
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394 | SELECT CASE ( cd_type ) |
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395 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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396 | pt3d( 1 ,:,jk) = zland |
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397 | pt3d(jpi,:,jk) = zland |
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398 | CASE ( 'F' ) ! F-point |
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399 | pt3d(jpi,:,jk) = zland |
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400 | END SELECT |
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401 | |
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402 | END SELECT |
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403 | |
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404 | ! ! North-South boundaries |
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405 | ! ! ====================== |
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406 | SELECT CASE ( nperio ) |
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407 | |
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408 | CASE ( 2 ) ! * south symmetric |
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409 | |
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410 | SELECT CASE ( cd_type ) |
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411 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
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412 | pt3d(:, 1 ,jk) = pt3d(:,3,jk) |
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413 | pt3d(:,jpj,jk) = zland |
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414 | CASE ( 'V' , 'F' ) ! V-, F-points |
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415 | pt3d(:, 1 ,jk) = psgn * pt3d(:,2,jk) |
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416 | pt3d(:,jpj,jk) = zland |
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417 | END SELECT |
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418 | |
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419 | CASE ( 3 , 4 ) ! * North fold T-point pivot |
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420 | |
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421 | pt3d( 1 ,jpj,jk) = zland |
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422 | pt3d(jpi,jpj,jk) = zland |
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423 | |
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424 | SELECT CASE ( cd_type ) |
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425 | CASE ( 'T' , 'W' ) ! T-, W-point |
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426 | DO ji = 2, jpi |
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427 | ijt = jpi-ji+2 |
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428 | pt3d(ji, 1 ,jk) = zland |
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429 | pt3d(ji,jpj,jk) = psgn * pt3d(ijt,jpj-2,jk) |
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430 | END DO |
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431 | DO ji = jpi/2+1, jpi |
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432 | ijt = jpi-ji+2 |
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433 | pt3d(ji,jpjm1,jk) = psgn * pt3d(ijt,jpjm1,jk) |
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434 | END DO |
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435 | CASE ( 'U' ) ! U-point |
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436 | DO ji = 1, jpi-1 |
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437 | iju = jpi-ji+1 |
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438 | pt3d(ji, 1 ,jk) = zland |
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439 | pt3d(ji,jpj,jk) = psgn * pt3d(iju,jpj-2,jk) |
---|
440 | END DO |
---|
441 | DO ji = jpi/2, jpi-1 |
---|
442 | iju = jpi-ji+1 |
---|
443 | pt3d(ji,jpjm1,jk) = psgn * pt3d(iju,jpjm1,jk) |
---|
444 | END DO |
---|
445 | CASE ( 'V' ) ! V-point |
---|
446 | DO ji = 2, jpi |
---|
447 | ijt = jpi-ji+2 |
---|
448 | pt3d(ji, 1 ,jk) = zland |
---|
449 | pt3d(ji,jpj-1,jk) = psgn * pt3d(ijt,jpj-2,jk) |
---|
450 | pt3d(ji,jpj ,jk) = psgn * pt3d(ijt,jpj-3,jk) |
---|
451 | END DO |
---|
452 | CASE ( 'F' ) ! F-point |
---|
453 | DO ji = 1, jpi-1 |
---|
454 | iju = jpi-ji+1 |
---|
455 | pt3d(ji,jpj-1,jk) = psgn * pt3d(iju,jpj-2,jk) |
---|
456 | pt3d(ji,jpj ,jk) = psgn * pt3d(iju,jpj-3,jk) |
---|
457 | END DO |
---|
458 | END SELECT |
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459 | |
---|
460 | CASE ( 5 , 6 ) ! * North fold F-point pivot |
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461 | |
---|
462 | pt3d( 1 ,jpj,jk) = zland |
---|
463 | pt3d(jpi,jpj,jk) = zland |
---|
464 | |
---|
465 | SELECT CASE ( cd_type ) |
---|
466 | CASE ( 'T' , 'W' ) ! T-, W-point |
---|
467 | DO ji = 1, jpi |
---|
468 | ijt = jpi-ji+1 |
---|
469 | pt3d(ji, 1 ,jk) = zland |
---|
470 | pt3d(ji,jpj,jk) = psgn * pt3d(ijt,jpj-1,jk) |
---|
471 | END DO |
---|
472 | CASE ( 'U' ) ! U-point |
---|
473 | DO ji = 1, jpi-1 |
---|
474 | iju = jpi-ji |
---|
475 | pt3d(ji, 1 ,jk) = zland |
---|
476 | pt3d(ji,jpj,jk) = psgn * pt3d(iju,jpj-1,jk) |
---|
477 | END DO |
---|
478 | CASE ( 'V' ) ! V-point |
---|
479 | DO ji = 1, jpi |
---|
480 | ijt = jpi-ji+1 |
---|
481 | pt3d(ji, 1 ,jk) = zland |
---|
482 | pt3d(ji,jpj,jk) = psgn * pt3d(ijt,jpj-2,jk) |
---|
483 | END DO |
---|
484 | DO ji = jpi/2+1, jpi |
---|
485 | ijt = jpi-ji+1 |
---|
486 | pt3d(ji,jpjm1,jk) = psgn * pt3d(ijt,jpjm1,jk) |
---|
487 | END DO |
---|
488 | CASE ( 'F' ) ! F-point |
---|
489 | DO ji = 1, jpi-1 |
---|
490 | iju = jpi-ji |
---|
491 | pt3d(ji,jpj ,jk) = psgn * pt3d(iju,jpj-2,jk) |
---|
492 | END DO |
---|
493 | DO ji = jpi/2+1, jpi-1 |
---|
494 | iju = jpi-ji |
---|
495 | pt3d(ji,jpjm1,jk) = psgn * pt3d(iju,jpjm1,jk) |
---|
496 | END DO |
---|
497 | END SELECT |
---|
498 | |
---|
499 | CASE DEFAULT ! * closed |
---|
500 | |
---|
501 | SELECT CASE ( cd_type ) |
---|
502 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
---|
503 | pt3d(:, 1 ,jk) = zland |
---|
504 | pt3d(:,jpj,jk) = zland |
---|
505 | CASE ( 'F' ) ! F-point |
---|
506 | pt3d(:,jpj,jk) = zland |
---|
507 | END SELECT |
---|
508 | |
---|
509 | END SELECT |
---|
510 | ! ! =============== |
---|
511 | END DO ! End of slab |
---|
512 | ! ! =============== |
---|
513 | ENDIF |
---|
514 | END SUBROUTINE lbc_lnk_3d |
---|
515 | |
---|
516 | |
---|
517 | SUBROUTINE lbc_lnk_2d( pt2d, cd_type, psgn, cd_mpp, pval ) |
---|
518 | !!--------------------------------------------------------------------- |
---|
519 | !! *** ROUTINE lbc_lnk_2d *** |
---|
520 | !! |
---|
521 | !! ** Purpose : set lateral boundary conditions (non mpp case) |
---|
522 | !! |
---|
523 | !! ** Method : |
---|
524 | !! |
---|
525 | !! History : |
---|
526 | !! ! 97-06 (G. Madec) Original code |
---|
527 | !! ! 01-05 (E. Durand) correction |
---|
528 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
---|
529 | !!---------------------------------------------------------------------- |
---|
530 | !! * Arguments |
---|
531 | CHARACTER(len=1), INTENT( in ) :: & |
---|
532 | cd_type ! nature of pt2d grid-point |
---|
533 | ! ! = T , U , V , F or W gridpoints |
---|
534 | ! ! = I sea-ice U-V gridpoint (= F ocean grid point with indice shift) |
---|
535 | REAL(wp), INTENT( in ) :: & |
---|
536 | psgn ! control of the sign change |
---|
537 | ! ! =-1 , the sign is modified following the type of b.c. used |
---|
538 | ! ! = 1 , no sign change |
---|
539 | REAL(wp), DIMENSION(jpi,jpj), INTENT( inout ) :: & |
---|
540 | pt2d ! 2D array on which the boundary condition is applied |
---|
541 | CHARACTER(len=3), INTENT( in ), OPTIONAL :: & |
---|
542 | cd_mpp ! fill the overlap area only (here do nothing) |
---|
543 | REAL(wp) , INTENT(in ), OPTIONAL :: pval ! background value (used at closed boundaries) |
---|
544 | |
---|
545 | !! * Local declarations |
---|
546 | INTEGER :: ji |
---|
547 | INTEGER :: ijt, iju |
---|
548 | REAL(wp) :: zland |
---|
549 | !!---------------------------------------------------------------------- |
---|
550 | |
---|
551 | IF( PRESENT( pval ) ) THEN ! set land value (zero by default) |
---|
552 | zland = pval |
---|
553 | ELSE |
---|
554 | zland = 0.e0 |
---|
555 | ENDIF |
---|
556 | |
---|
557 | IF (PRESENT(cd_mpp)) THEN |
---|
558 | ! only fill the overlap area and extra allows |
---|
559 | ! this is in mpp case. In this module, just do nothing |
---|
560 | ELSE |
---|
561 | |
---|
562 | ! ! East-West boundaries |
---|
563 | ! ! ==================== |
---|
564 | SELECT CASE ( nperio ) |
---|
565 | |
---|
566 | CASE ( 1 , 4 , 6 ) ! * cyclic east-west |
---|
567 | pt2d( 1 ,:) = pt2d(jpim1,:) |
---|
568 | pt2d(jpi,:) = pt2d( 2 ,:) |
---|
569 | |
---|
570 | CASE DEFAULT ! * closed |
---|
571 | SELECT CASE ( cd_type ) |
---|
572 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
---|
573 | pt2d( 1 ,:) = zland |
---|
574 | pt2d(jpi,:) = zland |
---|
575 | CASE ( 'F' ) ! F-point, ice U-V point |
---|
576 | pt2d(jpi,:) = zland |
---|
577 | CASE ( 'I' ) ! F-point, ice U-V point |
---|
578 | pt2d( 1 ,:) = zland |
---|
579 | pt2d(jpi,:) = zland |
---|
580 | END SELECT |
---|
581 | |
---|
582 | END SELECT |
---|
583 | |
---|
584 | ! ! North-South boundaries |
---|
585 | ! ! ====================== |
---|
586 | SELECT CASE ( nperio ) |
---|
587 | |
---|
588 | CASE ( 2 ) ! * South symmetric |
---|
589 | |
---|
590 | SELECT CASE ( cd_type ) |
---|
591 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
---|
592 | pt2d(:, 1 ) = pt2d(:,3) |
---|
593 | pt2d(:,jpj) = zland |
---|
594 | CASE ( 'V' , 'F' , 'I' ) ! V-, F-points, ice U-V point |
---|
595 | pt2d(:, 1 ) = psgn * pt2d(:,2) |
---|
596 | pt2d(:,jpj) = zland |
---|
597 | END SELECT |
---|
598 | |
---|
599 | CASE ( 3 , 4 ) ! * North fold T-point pivot |
---|
600 | |
---|
601 | pt2d( 1 , 1 ) = zland !!!!! bug gm ??? !Edmee |
---|
602 | pt2d( 1 ,jpj) = zland |
---|
603 | pt2d(jpi,jpj) = zland |
---|
604 | |
---|
605 | SELECT CASE ( cd_type ) |
---|
606 | |
---|
607 | CASE ( 'T' , 'W' ) ! T-, W-point |
---|
608 | DO ji = 2, jpi |
---|
609 | ijt = jpi-ji+2 |
---|
610 | pt2d(ji, 1 ) = zland |
---|
611 | pt2d(ji,jpj) = psgn * pt2d(ijt,jpj-2) |
---|
612 | END DO |
---|
613 | DO ji = jpi/2+1, jpi |
---|
614 | ijt = jpi-ji+2 |
---|
615 | pt2d(ji,jpjm1) = psgn * pt2d(ijt,jpjm1) |
---|
616 | END DO |
---|
617 | |
---|
618 | CASE ( 'U' ) ! U-point |
---|
619 | DO ji = 1, jpi-1 |
---|
620 | iju = jpi-ji+1 |
---|
621 | pt2d(ji, 1 ) = zland |
---|
622 | pt2d(ji,jpj) = psgn * pt2d(iju,jpj-2) |
---|
623 | END DO |
---|
624 | DO ji = jpi/2, jpi-1 |
---|
625 | iju = jpi-ji+1 |
---|
626 | pt2d(ji,jpjm1) = psgn * pt2d(iju,jpjm1) |
---|
627 | END DO |
---|
628 | |
---|
629 | CASE ( 'V' ) ! V-point |
---|
630 | DO ji = 2, jpi |
---|
631 | ijt = jpi-ji+2 |
---|
632 | pt2d(ji, 1 ) = zland |
---|
633 | pt2d(ji,jpj-1) = psgn * pt2d(ijt,jpj-2) |
---|
634 | pt2d(ji,jpj ) = psgn * pt2d(ijt,jpj-3) |
---|
635 | END DO |
---|
636 | |
---|
637 | CASE ( 'F' ) ! F-point |
---|
638 | DO ji = 1, jpi-1 |
---|
639 | iju = jpi - ji + 1 |
---|
640 | pt2d(ji,jpj-1) = psgn * pt2d(iju,jpj-2) |
---|
641 | pt2d(ji,jpj ) = psgn * pt2d(iju,jpj-3) |
---|
642 | END DO |
---|
643 | |
---|
644 | CASE ( 'I' ) ! ice U-V point |
---|
645 | pt2d(:, 1 ) = zland |
---|
646 | pt2d(2,jpj) = psgn * pt2d(3,jpj-1) |
---|
647 | DO ji = 3, jpi |
---|
648 | iju = jpi - ji + 3 |
---|
649 | pt2d(ji,jpj) = psgn * pt2d(iju,jpj-1) |
---|
650 | END DO |
---|
651 | |
---|
652 | END SELECT |
---|
653 | |
---|
654 | CASE ( 5 , 6 ) ! * North fold F-point pivot |
---|
655 | |
---|
656 | pt2d( 1 , 1 ) = zland !!bug ??? |
---|
657 | pt2d( 1 ,jpj) = zland |
---|
658 | pt2d(jpi,jpj) = zland |
---|
659 | |
---|
660 | SELECT CASE ( cd_type ) |
---|
661 | |
---|
662 | CASE ( 'T' , 'W' ) ! T-, W-point |
---|
663 | DO ji = 1, jpi |
---|
664 | ijt = jpi-ji+1 |
---|
665 | pt2d(ji, 1 ) = zland |
---|
666 | pt2d(ji,jpj) = psgn * pt2d(ijt,jpj-1) |
---|
667 | END DO |
---|
668 | |
---|
669 | CASE ( 'U' ) ! U-point |
---|
670 | DO ji = 1, jpi-1 |
---|
671 | iju = jpi-ji |
---|
672 | pt2d(ji, 1 ) = zland |
---|
673 | pt2d(ji,jpj) = psgn * pt2d(iju,jpj-1) |
---|
674 | END DO |
---|
675 | |
---|
676 | CASE ( 'V' ) ! V-point |
---|
677 | DO ji = 1, jpi |
---|
678 | ijt = jpi-ji+1 |
---|
679 | pt2d(ji, 1 ) = zland |
---|
680 | pt2d(ji,jpj) = psgn * pt2d(ijt,jpj-2) |
---|
681 | END DO |
---|
682 | DO ji = jpi/2+1, jpi |
---|
683 | ijt = jpi-ji+1 |
---|
684 | pt2d(ji,jpjm1) = psgn * pt2d(ijt,jpjm1) |
---|
685 | END DO |
---|
686 | |
---|
687 | CASE ( 'F' ) ! F-point |
---|
688 | DO ji = 1, jpi-1 |
---|
689 | iju = jpi-ji |
---|
690 | pt2d(ji,jpj ) = psgn * pt2d(iju,jpj-2) |
---|
691 | END DO |
---|
692 | DO ji = jpi/2+1, jpi-1 |
---|
693 | iju = jpi-ji |
---|
694 | pt2d(ji,jpjm1) = psgn * pt2d(iju,jpjm1) |
---|
695 | END DO |
---|
696 | |
---|
697 | CASE ( 'I' ) ! ice U-V point |
---|
698 | pt2d( : , 1 ) = zland |
---|
699 | pt2d( 2 ,jpj) = zland |
---|
700 | DO ji = 2 , jpim1 |
---|
701 | ijt = jpi - ji + 2 |
---|
702 | pt2d(ji,jpj)= 0.5 * ( pt2d(ji,jpjm1) + psgn * pt2d(ijt,jpjm1) ) |
---|
703 | END DO |
---|
704 | |
---|
705 | END SELECT |
---|
706 | |
---|
707 | CASE DEFAULT ! * closed |
---|
708 | |
---|
709 | SELECT CASE ( cd_type ) |
---|
710 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
---|
711 | pt2d(:, 1 ) = zland |
---|
712 | pt2d(:,jpj) = zland |
---|
713 | CASE ( 'F' ) ! F-point |
---|
714 | pt2d(:,jpj) = zland |
---|
715 | CASE ( 'I' ) ! ice U-V point |
---|
716 | pt2d(:, 1 ) = zland |
---|
717 | pt2d(:,jpj) = zland |
---|
718 | END SELECT |
---|
719 | |
---|
720 | END SELECT |
---|
721 | |
---|
722 | ENDIF |
---|
723 | |
---|
724 | END SUBROUTINE lbc_lnk_2d |
---|
725 | |
---|
726 | #endif |
---|
727 | |
---|
728 | !!====================================================================== |
---|
729 | END MODULE lbclnk |
---|