1 | !!---------------------------------------------------------------------- |
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2 | !! *** ldfdyn_c3d.h90 *** |
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3 | !!---------------------------------------------------------------------- |
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4 | |
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5 | !!---------------------------------------------------------------------- |
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6 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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7 | !! $Header$ |
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8 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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9 | !!---------------------------------------------------------------------- |
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10 | |
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11 | !!---------------------------------------------------------------------- |
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12 | !! 'key_dynldf_c3d' 3D lateral eddy viscosity coefficients |
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13 | !!---------------------------------------------------------------------- |
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14 | |
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15 | SUBROUTINE ldf_dyn_c3d( ld_print ) |
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16 | !!---------------------------------------------------------------------- |
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17 | !! *** ROUTINE ldf_dyn_c3d *** |
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18 | !! |
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19 | !! ** Purpose : initializations of the horizontal ocean physics |
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20 | !! |
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21 | !! ** Method : 3D eddy viscosity coef. ( longitude, latitude, depth ) |
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22 | !! laplacian operator : ahm1, ahm2 defined at T- and F-points |
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23 | !! ahm2, ahm4 never used |
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24 | !! bilaplacian operator : ahm1, ahm2 never used |
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25 | !! : ahm3, ahm4 defined at U- and V-points |
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26 | !! ??? explanation of the default is missing |
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27 | !!---------------------------------------------------------------------- |
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28 | !! * Modules used |
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29 | USE ldftra_oce, ONLY : aht0 |
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30 | |
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31 | !! * Arguments |
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32 | LOGICAL, INTENT (in) :: ld_print ! If true, output arrays on numout |
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33 | |
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34 | !! * local variables |
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35 | INTEGER :: ji, jj, jk ! dummy loop indices |
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36 | REAL(wp) :: & |
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37 | zr = 0.2 , & ! maximum of the reduction factor at the bottom ocean |
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38 | ! ! ( 0 < zr < 1 ) |
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39 | zh = 500., & ! depth of at which start the reduction ( > dept(1) ) |
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40 | zdx_max , & ! maximum grid spacing over the global domain |
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41 | za00, zc, zd ! temporary scalars |
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42 | REAL(wp), DIMENSION(jpk) :: zcoef ! temporary workspace |
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43 | !!---------------------------------------------------------------------- |
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44 | |
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45 | IF(lwp) WRITE(numout,*) |
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46 | IF(lwp) WRITE(numout,*) 'ldf_dyn_c3d : 3D lateral eddy viscosity coefficient' |
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47 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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48 | |
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49 | |
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50 | ! Set ahm1 and ahm2 ( T- and F- points) (used for laplacian operators |
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51 | ! ================= whatever its orientation is) |
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52 | IF( ln_dynldf_lap ) THEN |
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53 | ! define ahm1 and ahm2 at the right grid point position |
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54 | ! (USER: modify ahm1 and ahm2 following your desiderata) |
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55 | |
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56 | zdx_max = MAXVAL( e1t(:,:) ) |
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57 | IF( lk_mpp ) CALL mpp_max( zdx_max ) ! max over the global domain |
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58 | |
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59 | IF(lwp) WRITE(numout,*) ' laplacian operator: ahm proportional to e1' |
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60 | IF(lwp) WRITE(numout,*) ' Caution, here we assume your mesh is isotropic ...' |
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61 | IF(lwp) WRITE(numout,*) ' maximum grid-spacing = ', zdx_max, ' maximum value for ahm = ', ahm0 |
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62 | |
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63 | |
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64 | za00 = ahm0 / zdx_max |
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65 | |
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66 | IF( ln_dynldf_iso ) THEN |
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67 | IF(lwp) WRITE(numout,*) ' Caution, as implemented now, the isopycnal part of momentum' |
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68 | IF(lwp) WRITE(numout,*) ' mixing use aht0 as eddy viscosity coefficient. Thus, it is' |
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69 | IF(lwp) WRITE(numout,*) ' uniform and you must be sure that your ahm is greater than' |
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70 | IF(lwp) WRITE(numout,*) ' aht0 everywhere in the model domain.' |
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71 | ENDIF |
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72 | |
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73 | CALL ldf_zpf( .TRUE. , 1000., 500., 0.25, fsdept(:,:,:), ahm1 ) ! vertical profile |
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74 | CALL ldf_zpf( .TRUE. , 1000., 500., 0.25, fsdept(:,:,:), ahm2 ) ! vertical profile |
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75 | DO jk = 1,jpk |
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76 | ahm1(:,:,jk) = za00 * e1t(:,:) * ahm1(:,:,jk) |
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77 | ahm2(:,:,jk) = za00 * e1f(:,:) * ahm2(:,:,jk) |
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78 | END DO |
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79 | |
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80 | |
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81 | ! Special case for ORCA R2 and R4 configurations (overwrite the value of ahm1 ahm2) |
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82 | ! ============================================== |
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83 | IF( cp_cfg == "orca" .AND. ( jp_cfg == 2 .OR. jp_cfg == 4 ) ) THEN |
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84 | IF(lwp) WRITE(numout,*) |
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85 | IF(lwp) WRITE(numout,*) ' ORCA R2 or R4: overwrite the previous definition of ahm' |
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86 | IF(lwp) WRITE(numout,*) ' =============' |
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87 | CALL ldf_dyn_c3d_orca( ld_print ) |
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88 | ENDIF |
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89 | |
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90 | ENDIF |
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91 | |
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92 | ! Control print |
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93 | IF(lwp .AND. ld_print ) THEN |
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94 | WRITE(numout,*) |
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95 | WRITE(numout,*) ' 3D ahm1 array (k=1)' |
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96 | CALL prihre( ahm1(:,:,1), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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97 | WRITE(numout,*) |
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98 | WRITE(numout,*) ' 3D ahm2 array (k=1)' |
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99 | CALL prihre( ahm2(:,:,1), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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100 | ENDIF |
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101 | |
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102 | |
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103 | ! ahm3 and ahm4 at U- and V-points (used for bilaplacian operator |
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104 | ! ================================ whatever its orientation is) |
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105 | ! (USER: modify ahm3 and ahm4 following your desiderata) |
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106 | ! Here: ahm is proportional to the cube of the maximum of the gridspacing |
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107 | ! in the to horizontal direction |
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108 | |
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109 | IF( ln_dynldf_bilap ) THEN |
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110 | |
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111 | zdx_max = MAXVAL( e1u(:,:) ) |
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112 | IF( lk_mpp ) CALL mpp_max( zdx_max ) ! max over the global domain |
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113 | |
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114 | IF(lwp) WRITE(numout,*) ' bi-laplacian operator: ahm proportional to e1**3 ' |
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115 | IF(lwp) WRITE(numout,*) ' Caution, here we assume your mesh is isotropic ...' |
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116 | IF(lwp) WRITE(numout,*) ' maximum grid-spacing = ', zdx_max, ' maximum value for ahm = ', ahm0 |
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117 | |
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118 | za00 = ahm0 / ( zdx_max * zdx_max * zdx_max ) |
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119 | ahm3(:,:,1) = za00 * e1u(:,:) * e1u(:,:) * e1u(:,:) |
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120 | ahm4(:,:,1) = za00 * e1v(:,:) * e1v(:,:) * e1v(:,:) |
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121 | |
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122 | zh = MAX( zh, fsdept(1,1,1) ) ! at least the first reach ahm0 |
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123 | IF( ln_zco ) THEN ! z-coordinate, same profile everywhere |
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124 | IF(lwp) WRITE(numout,'(36x," ahm ", 7x)') |
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125 | DO jk = 1, jpk |
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126 | IF( fsdept(1,1,jk) <= zh ) THEN |
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127 | zcoef(jk) = 1.e0 |
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128 | ELSE |
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129 | zcoef(jk) = 1.e0 + ( zr - 1.e0 ) & |
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130 | & * ( 1. - EXP( ( fsdept(1,1,jk ) - zh ) / zh ) ) & |
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131 | & / ( 1. - EXP( ( fsdept(1,1,jpkm1) - zh ) / zh ) ) |
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132 | ENDIF |
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133 | ahm3(:,:,jk) = ahm3(:,:,1) * zcoef(jk) |
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134 | ahm4(:,:,jk) = ahm4(:,:,1) * zcoef(jk) |
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135 | IF(lwp) WRITE(numout,'(34x,E7.2,8x,i3)') zcoef(jk) * ahm0, jk |
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136 | END DO |
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137 | ELSE ! partial steps or s-ccordinate |
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138 | # if defined key_zco |
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139 | zc = gdept_0(jpkm1) |
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140 | # else |
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141 | zc = MAXVAL( fsdept(:,:,jpkm1) ) |
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142 | # endif |
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143 | IF( lk_mpp ) CALL mpp_max( zc ) ! max over the global domain |
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144 | |
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145 | zc = 1. / ( 1. - EXP( ( zc - zh ) / zh ) ) |
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146 | DO jk = 2, jpkm1 |
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147 | DO jj = 1, jpj |
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148 | DO ji = 1, jpi |
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149 | IF( fsdept(ji,jj,jk) <= zh ) THEN |
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150 | ahm3(ji,jj,jk) = ahm3(ji,jj,1) |
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151 | ahm4(ji,jj,jk) = ahm4(ji,jj,1) |
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152 | ELSE |
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153 | zd = 1.e0 + ( zr - 1.e0 ) * ( 1. - EXP( ( fsdept(ji,jj,jk) - zh ) / zh ) ) * zc |
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154 | ahm3(ji,jj,jk) = ahm3(ji,jj,1) * zd |
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155 | ahm4(ji,jj,jk) = ahm4(ji,jj,1) * zd |
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156 | ENDIF |
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157 | END DO |
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158 | END DO |
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159 | END DO |
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160 | ahm3(:,:,jpk) = ahm3(:,:,jpkm1) |
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161 | ahm4(:,:,jpk) = ahm4(:,:,jpkm1) |
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162 | IF(lwp) WRITE(numout,'(36x," ahm ", 7x)') |
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163 | DO jk = 1, jpk |
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164 | IF(lwp) WRITE(numout,'(30x,E10.2,8x,i3)') ahm3(1,1,jk), jk |
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165 | END DO |
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166 | ENDIF |
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167 | |
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168 | ! Control print |
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169 | IF( lwp .AND. ld_print ) THEN |
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170 | WRITE(numout,*) |
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171 | WRITE(numout,*) 'inildf: ahm3 array at level 1' |
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172 | CALL prihre(ahm3(:,:,1 ),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) |
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173 | WRITE(numout,*) |
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174 | WRITE(numout,*) 'inildf: ahm4 array at level 1' |
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175 | CALL prihre(ahm4(:,:,jpk),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) |
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176 | ENDIF |
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177 | ENDIF |
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178 | |
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179 | END SUBROUTINE ldf_dyn_c3d |
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180 | |
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181 | |
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182 | SUBROUTINE ldf_dyn_c3d_orca( ld_print ) |
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183 | !!---------------------------------------------------------------------- |
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184 | !! *** ROUTINE ldf_dyn_c3d *** |
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185 | !! |
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186 | !! ** Purpose : ORCA R2 an R4 only |
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187 | !! |
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188 | !! ** Method : blah blah blah .... |
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189 | !!---------------------------------------------------------------------- |
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190 | !! * Modules used |
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191 | USE ldftra_oce, ONLY : aht0 |
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192 | |
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193 | !! * Arguments |
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194 | LOGICAL, INTENT (in) :: ld_print ! If true, output arrays on numout |
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195 | |
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196 | !! * local variables |
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197 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
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198 | INTEGER :: ii0, ii1, ij0, ij1 ! temporary integers |
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199 | INTEGER :: inum = 11 ! temporary logical unit |
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200 | INTEGER :: iost, iim, ijm |
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201 | INTEGER :: ifreq, il1, il2, ij, ii |
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202 | INTEGER, DIMENSION(jpidta, jpjdta) :: idata |
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203 | INTEGER, DIMENSION(jpi , jpj ) :: icof |
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204 | |
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205 | REAL(wp) :: & |
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206 | zahmeq, zcoff, zcoft, zmsk, & ! ??? |
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207 | zemax, zemin, zeref, zahmm |
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208 | REAL(wp), DIMENSION(jpi,jpj) :: zahm0 |
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209 | REAL(wp), DIMENSION(jpk) :: zcoef |
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210 | |
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211 | CHARACTER (len=15) :: clexp |
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212 | !!---------------------------------------------------------------------- |
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213 | |
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214 | IF(lwp) WRITE(numout,*) |
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215 | IF(lwp) WRITE(numout,*) 'ldfdyn_c3d_orca : 3D eddy viscosity coefficient' |
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216 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~~' |
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217 | IF(lwp) WRITE(numout,*) |
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218 | IF(lwp) WRITE(numout,*) ' orca R2 or R4 ocean model' |
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219 | IF(lwp) WRITE(numout,*) ' reduced in the surface Eq. strip ' |
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220 | IF(lwp) WRITE(numout,*) |
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221 | |
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222 | ! Read 2d integer array to specify western boundary increase in the |
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223 | ! ===================== equatorial strip (20N-20S) defined at t-points |
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224 | |
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225 | OPEN( UNIT=inum, FILE='ahmcoef', STATUS='OLD', & |
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226 | & FORM='FORMATTED', ACCESS='SEQUENTIAL', ERR=111 , & |
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227 | & IOSTAT= iost) |
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228 | IF( iost == 0 ) THEN |
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229 | IF(lwp) THEN |
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230 | WRITE(numout,*) ' file : ahmcoef open ok' |
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231 | WRITE(numout,*) ' unit = ', inum |
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232 | WRITE(numout,*) ' status = OLD' |
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233 | WRITE(numout,*) ' form = FORMATTED' |
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234 | WRITE(numout,*) ' access = SEQUENTIAL' |
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235 | WRITE(numout,*) |
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236 | ENDIF |
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237 | ENDIF |
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238 | 111 CONTINUE |
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239 | IF( iost /= 0 ) CALL ctl_stop( ' ', & |
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240 | & ' ===>>>> : bad opening file: ahmcoef, verify the file ahmcoef', & |
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241 | & ' ======= === ' ) |
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242 | REWIND inum |
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243 | READ(inum,9101) clexp, iim, ijm |
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244 | READ(inum,'(/)') |
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245 | ifreq = 40 |
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246 | il1 = 1 |
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247 | DO jn = 1, jpidta/ifreq+1 |
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248 | READ(inum,'(/)') |
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249 | il2 = MIN( jpidta, il1+ifreq-1 ) |
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250 | READ(inum,9201) ( ii, ji = il1, il2, 5 ) |
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251 | READ(inum,'(/)') |
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252 | DO jj = jpjdta, 1, -1 |
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253 | READ(inum,9202) ij, ( idata(ji,jj), ji = il1, il2 ) |
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254 | END DO |
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255 | il1 = il1 + ifreq |
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256 | END DO |
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257 | |
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258 | DO jj = 1, nlcj |
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259 | DO ji = 1, nlci |
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260 | icof(ji,jj) = idata( mig(ji), mjg(jj) ) |
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261 | END DO |
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262 | END DO |
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263 | DO jj = nlcj+1, jpj |
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264 | DO ji = 1, nlci |
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265 | icof(ji,jj) = icof(ji,nlcj) |
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266 | END DO |
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267 | END DO |
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268 | DO jj = 1, jpj |
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269 | DO ji = nlci+1, jpi |
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270 | icof(ji,jj) = icof(nlci,jj) |
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271 | END DO |
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272 | END DO |
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273 | |
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274 | 9101 FORMAT(1x,a15,2i8) |
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275 | 9201 FORMAT(3x,13(i3,12x)) |
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276 | 9202 FORMAT(i3,41i3) |
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277 | |
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278 | ! Set ahm1 and ahm2 |
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279 | ! ================= |
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280 | |
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281 | ! define ahm1 and ahm2 at the right grid point position |
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282 | ! (USER: modify ahm1 and ahm2 following your desiderata) |
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283 | ! biharmonic : ahm1 (ahm2) defined at u- (v-) point |
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284 | ! harmonic : ahm1 (ahm2) defined at t- (f-) point |
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285 | |
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286 | ! first level : as for 2D coefficients |
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287 | |
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288 | ! Decrease ahm to zahmeq m2/s in the tropics |
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289 | ! (from 90 to 20 degre: ahm = constant |
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290 | ! from 20 to 2.5 degre: ahm = decrease in (1-cos)/2 |
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291 | ! from 2.5 to 0 degre: ahm = constant |
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292 | ! symmetric in the south hemisphere) |
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293 | |
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294 | IF( jp_cfg == 4 ) THEN |
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295 | zahmeq = 5.0 * aht0 |
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296 | zahmm = min( 160000.0, ahm0) |
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297 | zemax = MAXVAL ( e1t(:,:) * e2t(:,:), tmask(:,:,1) .GE. 0.5 ) |
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298 | zemin = MINVAL ( e1t(:,:) * e2t(:,:), tmask(:,:,1) .GE. 0.5 ) |
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299 | zeref = MAXVAL ( e1t(:,:) * e2t(:,:), & |
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300 | & tmask(:,:,1) .GE. 0.5 .AND. ABS(gphit(:,:)) .GT. 50. ) |
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301 | |
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302 | DO jj = 1, jpj |
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303 | DO ji = 1, jpi |
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304 | zmsk = e1t(ji,jj) * e2t(ji,jj) |
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305 | IF( abs(gphit(ji,jj)) .LE. 15 ) THEN |
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306 | zahm0(ji,jj) = ahm0 |
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307 | ELSE |
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308 | IF( zmsk .GE. zeref ) THEN |
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309 | zahm0(ji,jj) = ahm0 |
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310 | ELSE |
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311 | zahm0(ji,jj) = zahmm + (ahm0-zahmm)*(1.0 - & |
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312 | & cos((rpi*0.5*(zmsk-zemin)/(zeref-zemin)))) |
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313 | ENDIF |
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314 | ENDIF |
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315 | END DO |
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316 | END DO |
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317 | ENDIF |
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318 | |
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319 | IF( jp_cfg == 2 ) THEN |
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320 | zahmeq = aht0 |
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321 | zahmm = ahm0 |
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322 | zahm0(:,:) = ahm0 |
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323 | ENDIF |
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324 | |
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325 | DO jj = 1, jpj |
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326 | DO ji = 1, jpi |
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327 | IF( ABS(gphif(ji,jj)) >= 20.) THEN |
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328 | ahm2(ji,jj,1) = zahm0(ji,jj) |
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329 | ELSEIF( ABS(gphif(ji,jj)) <= 2.5) THEN |
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330 | ahm2(ji,jj,1) = zahmeq |
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331 | ELSE |
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332 | ahm2(ji,jj,1) = zahmeq + (zahm0(ji,jj)-zahmeq)/2. & |
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333 | & *(1.-COS( rad*(ABS(gphif(ji,jj))-2.5)*180./17.5 ) ) |
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334 | ENDIF |
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335 | IF( ABS(gphit(ji,jj)) >= 20.) THEN |
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336 | ahm1(ji,jj,1) = zahm0(ji,jj) |
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337 | ELSEIF( ABS(gphit(ji,jj)) <= 2.5) THEN |
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338 | ahm1(ji,jj,1) = zahmeq |
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339 | ELSE |
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340 | ahm1(ji,jj,1) = zahmeq + (zahm0(ji,jj)-zahmeq)/2. & |
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341 | & *(1.-COS( rad*(ABS(gphit(ji,jj))-2.5)*180./17.5 ) ) |
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342 | ENDIF |
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343 | END DO |
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344 | END DO |
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345 | |
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346 | ! increase along western boundaries of equatorial strip |
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347 | ! t-point |
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348 | DO jj = 1, jpjm1 |
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349 | DO ji = 1, jpim1 |
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350 | zcoft = float( icof(ji,jj) ) / 100. |
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351 | ahm1(ji,jj,1) = zcoft * zahm0(ji,jj) + (1.-zcoft) * ahm1(ji,jj,1) |
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352 | END DO |
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353 | END DO |
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354 | ! f-point |
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355 | icof(:,:) = icof(:,:) * tmask(:,:,1) |
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356 | DO jj = 1, jpjm1 |
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357 | DO ji = 1, jpim1 |
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358 | zmsk = tmask(ji,jj+1,1) + tmask(ji+1,jj+1,1) + tmask(ji,jj,1) + tmask(ji,jj+1,1) |
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359 | IF( zmsk == 0. ) THEN |
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360 | zcoff = 1. |
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361 | ELSE |
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362 | zcoff = FLOAT( icof(ji,jj+1) + icof(ji+1,jj+1) + icof(ji,jj) + icof(ji,jj+1) ) & |
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363 | / (zmsk * 100.) |
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364 | ENDIF |
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365 | ahm2(ji,jj,1) = zcoff * zahm0(ji,jj) + (1.-zcoff) * ahm2(ji,jj,1) |
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366 | END DO |
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367 | END DO |
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368 | |
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369 | ! other level: re-increase the coef in the deep ocean |
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370 | |
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371 | #if defined key_orca_lev10 |
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372 | DO jk = 1, 210 |
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373 | zcoef(jk) = 1. |
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374 | END DO |
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375 | DO jk= 211, 230 |
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376 | zcoef(jk) = 1. + 0.1 * FLOAT(jk-210) |
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377 | END DO |
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378 | DO jk= 231, 260 |
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379 | zcoef(jk) = 3. + 0.2 * FLOAT(jk-230) |
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380 | END DO |
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381 | DO jk= 261, 270 |
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382 | zcoef(jk) = 9. + 0.1 * FLOAT(jk-260) |
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383 | END DO |
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384 | DO jk= 271, jpk |
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385 | zcoef(jk) = 10. |
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386 | END DO |
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387 | DO jk= 1, jpk |
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388 | IF(lwp) WRITE(numout,*) 'k= ',jk, 'cof ', zcoef(jk) |
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389 | END DO |
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390 | #else |
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391 | DO jk = 1, 21 |
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392 | zcoef(jk) = 1. |
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393 | END DO |
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394 | zcoef(22) = 2. |
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395 | zcoef(23) = 3. |
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396 | zcoef(24) = 5. |
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397 | zcoef(25) = 7. |
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398 | zcoef(26) = 9. |
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399 | DO jk = 27, jpk |
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400 | zcoef(jk) = 10. |
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401 | END DO |
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402 | #endif |
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403 | |
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404 | DO jk = 2, jpk |
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405 | ahm1(:,:,jk) = MIN( zahm0(:,:), zcoef(jk) * ahm1(:,:,1) ) |
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406 | ahm2(:,:,jk) = MIN( zahm0(:,:), zcoef(jk) * ahm2(:,:,1) ) |
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407 | END DO |
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408 | |
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409 | IF( jp_cfg == 4 ) THEN |
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410 | ! Limit AHM in Gibraltar strait |
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411 | ij0 = 50 ; ij1 = 53 |
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412 | ii0 = 69 ; ii1 = 71 |
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413 | DO jk = 1, jpk |
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414 | ahm1(mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk) = min( zahmm, ahm1 (mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk) ) |
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415 | ahm2(mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk) = min( zahmm, ahm2 (mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk) ) |
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416 | END DO |
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417 | ENDIF |
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418 | |
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419 | ! Lateral boundary conditions on ( ahm1, ahm2 ) |
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420 | ! ============== |
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421 | CALL lbc_lnk( ahm1, 'T', 1. ) ! T-point, unchanged sign |
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422 | CALL lbc_lnk( ahm2, 'F', 1. ) ! F-point, unchanged sign |
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423 | |
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424 | ! Control print |
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425 | |
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426 | IF(lwp) THEN |
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427 | WRITE(numout,*) |
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428 | WRITE(numout,*) ' 3D ahm1 array (k=1)' |
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429 | CALL prihre( ahm1(:,:,1), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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430 | WRITE(numout,*) |
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431 | WRITE(numout,*) ' 3D ahm2 array (k=1)' |
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432 | CALL prihre( ahm2(:,:,1), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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433 | WRITE(numout,*) |
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434 | WRITE(numout,*) ' 3D ahm2 array (k=jpk)' |
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435 | CALL prihre( ahm2(:,:,jpk), jpi, jpj, 1, jpi, 20, 1, jpj, 20, 1.e-3, numout ) |
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436 | ENDIF |
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437 | |
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438 | |
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439 | ! Set ahm3 and ahm4 |
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440 | ! ================= |
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441 | |
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442 | ! define ahm3 and ahm4 at the right grid point position |
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443 | ! initialization to a constant value |
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444 | ! (USER: modify ahm3 and ahm4 following your desiderata) |
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445 | ! harmonic isopycnal or geopotential: |
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446 | ! ahm3 (ahm4) defined at u- (v-) point |
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447 | DO jk = 1, jpk |
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448 | DO jj = 2, jpj |
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449 | DO ji = 2, jpi |
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450 | ahm3(ji,jj,jk) = 0.5 * ( ahm2(ji,jj,jk) + ahm2(ji ,jj-1,jk) ) |
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451 | ahm4(ji,jj,jk) = 0.5 * ( ahm2(ji,jj,jk) + ahm2(ji-1,jj ,jk) ) |
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452 | END DO |
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453 | END DO |
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454 | END DO |
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455 | ahm3 ( :, 1, :) = ahm3 ( :, 2, :) |
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456 | ahm4 ( :, 1, :) = ahm4 ( :, 2, :) |
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457 | |
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458 | ! Lateral boundary conditions on ( ahm3, ahm4 ) |
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459 | ! ============== |
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460 | CALL lbc_lnk( ahm3, 'U', 1. ) ! U-point, unchanged sign |
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461 | CALL lbc_lnk( ahm4, 'V', 1. ) ! V-point, unchanged sign |
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462 | |
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463 | ! Control print |
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464 | |
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465 | IF( lwp .AND. ld_print ) THEN |
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466 | WRITE(numout,*) |
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467 | WRITE(numout,*) ' ahm3 array level 1' |
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468 | CALL prihre(ahm3(:,:,1),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) |
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469 | WRITE(numout,*) |
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470 | WRITE(numout,*) ' ahm4 array level 1' |
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471 | CALL prihre(ahm4(:,:,1),jpi,jpj,1,jpi,1,1,jpj,1,1.e-3,numout) |
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472 | ENDIF |
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473 | |
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474 | END SUBROUTINE ldf_dyn_c3d_orca |
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