1 | MODULE crsfld |
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2 | !!====================================================================== |
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3 | !! *** MODULE crsdfld *** |
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4 | !! Ocean coarsening : coarse ocean fields |
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5 | !!===================================================================== |
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6 | !! 2012-07 (J. Simeon, C. Calone, G. Madec, C. Ethe) |
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7 | !!---------------------------------------------------------------------- |
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8 | |
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9 | !!---------------------------------------------------------------------- |
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10 | !! crs_fld : create the standard output files for coarse grid and prep |
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11 | !! other variables needed to be passed to TOP |
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12 | !!---------------------------------------------------------------------- |
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13 | USE crs |
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14 | USE crsdom |
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15 | USE crslbclnk |
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16 | USE oce ! ocean dynamics and tracers |
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17 | USE dom_oce ! ocean space and time domain |
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18 | USE sbc_oce ! Surface boundary condition: ocean fields |
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19 | USE zdf_oce ! vertical physics: ocean fields |
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20 | USE ldftra ! ocean active tracers: lateral diffusivity & EIV coefficients |
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21 | USE zdfddm ! vertical physics: double diffusion |
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22 | ! |
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23 | USE in_out_manager ! I/O manager |
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24 | USE iom ! |
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25 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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26 | USE timing ! preformance summary |
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27 | |
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28 | IMPLICIT NONE |
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29 | PRIVATE |
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30 | |
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31 | PUBLIC crs_fld ! routines called by step.F90 |
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32 | |
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33 | !! * Substitutions |
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34 | # include "vectopt_loop_substitute.h90" |
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35 | !!---------------------------------------------------------------------- |
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36 | !! NEMO/OPA 3.7 , NEMO Consortium (2015) |
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37 | !! $Id$ |
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38 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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39 | !!---------------------------------------------------------------------- |
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40 | CONTAINS |
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41 | |
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42 | SUBROUTINE crs_fld( kt ) |
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43 | !!--------------------------------------------------------------------- |
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44 | !! *** ROUTINE crs_fld *** |
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45 | !! |
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46 | !! ** Purpose : Basic output of coarsened dynamics and tracer fields |
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47 | !! NETCDF format is used by default |
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48 | !! 1. Accumulate in time the dimensionally-weighted fields |
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49 | !! 2. At time of output, rescale [1] by dimension and time |
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50 | !! to yield the spatial and temporal average. |
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51 | !! See. sbcmod.F90 |
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52 | !! |
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53 | !! ** Method : |
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54 | !!---------------------------------------------------------------------- |
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55 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
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56 | ! |
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57 | INTEGER :: ji, jj, jk ! dummy loop indices |
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58 | REAL(wp) :: z2dcrsu, z2dcrsv ! local scalars |
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59 | REAL(wp) :: zztmp ! - - |
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60 | ! |
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61 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ze3t, ze3u, ze3v, ze3w ! 3D workspace for e3 |
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62 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zt , zs , z3d |
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63 | REAL(wp), DIMENSION(jpi_crs,jpj_crs,jpk) :: zt_crs, zs_crs |
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64 | !!---------------------------------------------------------------------- |
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65 | ! |
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66 | IF( ln_timing ) CALL timing_start('crs_fld') |
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67 | |
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68 | ! Depth work arrrays |
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69 | ze3t(:,:,:) = e3t_n(:,:,:) |
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70 | ze3u(:,:,:) = e3u_n(:,:,:) |
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71 | ze3v(:,:,:) = e3v_n(:,:,:) |
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72 | ze3w(:,:,:) = e3w_n(:,:,:) |
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73 | |
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74 | IF( kt == nit000 ) THEN |
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75 | tsn_crs (:,:,:,:) = 0._wp ! temp/sal array, now |
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76 | un_crs (:,:,: ) = 0._wp ! u-velocity |
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77 | vn_crs (:,:,: ) = 0._wp ! v-velocity |
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78 | wn_crs (:,:,: ) = 0._wp ! w |
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79 | avs_crs (:,:,: ) = 0._wp ! avt |
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80 | hdivn_crs(:,:,: ) = 0._wp ! hdiv |
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81 | sshn_crs (:,: ) = 0._wp ! ssh |
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82 | utau_crs (:,: ) = 0._wp ! taux |
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83 | vtau_crs (:,: ) = 0._wp ! tauy |
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84 | wndm_crs (:,: ) = 0._wp ! wind speed |
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85 | qsr_crs (:,: ) = 0._wp ! qsr |
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86 | emp_crs (:,: ) = 0._wp ! emp |
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87 | emp_b_crs(:,: ) = 0._wp ! emp |
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88 | rnf_crs (:,: ) = 0._wp ! runoff |
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89 | fr_i_crs (:,: ) = 0._wp ! ice cover |
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90 | ENDIF |
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91 | |
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92 | CALL iom_swap( "nemo_crs" ) ! swap on the coarse grid |
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93 | |
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94 | ! 2. Coarsen fields at each time step |
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95 | ! -------------------------------------------------------- |
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96 | |
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97 | ! Temperature |
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98 | zt(:,:,:) = tsn(:,:,:,jp_tem) ; zt_crs(:,:,:) = 0._wp |
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99 | CALL crs_dom_ope( zt, 'VOL', 'T', tmask, zt_crs, p_e12=e1e2t, p_e3=ze3t, psgn=1.0 ) |
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100 | tsn_crs(:,:,:,jp_tem) = zt_crs(:,:,:) |
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101 | |
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102 | CALL iom_put( "toce", tsn_crs(:,:,:,jp_tem) ) ! temp |
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103 | CALL iom_put( "sst" , tsn_crs(:,:,1,jp_tem) ) ! sst |
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104 | |
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105 | |
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106 | ! Salinity |
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107 | zs(:,:,:) = tsn(:,:,:,jp_sal) ; zs_crs(:,:,:) = 0._wp |
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108 | CALL crs_dom_ope( zs, 'VOL', 'T', tmask, zs_crs, p_e12=e1e2t, p_e3=ze3t, psgn=1.0 ) |
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109 | tsn_crs(:,:,:,jp_sal) = zt_crs(:,:,:) |
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110 | |
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111 | CALL iom_put( "soce" , tsn_crs(:,:,:,jp_sal) ) ! sal |
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112 | CALL iom_put( "sss" , tsn_crs(:,:,1,jp_sal) ) ! sss |
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113 | |
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114 | ! U-velocity |
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115 | CALL crs_dom_ope( un, 'SUM', 'U', umask, un_crs, p_e12=e2u, p_e3=ze3u, p_surf_crs=e2e3u_msk, psgn=-1.0 ) |
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116 | ! |
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117 | zt(:,:,:) = 0._wp ; zs(:,:,:) = 0._wp ; zt_crs(:,:,:) = 0._wp ; zs_crs(:,:,:) = 0._wp |
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118 | DO jk = 1, jpkm1 |
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119 | DO jj = 2, jpjm1 |
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120 | DO ji = 2, jpim1 |
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121 | zt(ji,jj,jk) = un(ji,jj,jk) * 0.5 * ( tsn(ji,jj,jk,jp_tem) + tsn(ji+1,jj,jk,jp_tem) ) |
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122 | zs(ji,jj,jk) = un(ji,jj,jk) * 0.5 * ( tsn(ji,jj,jk,jp_sal) + tsn(ji+1,jj,jk,jp_sal) ) |
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123 | END DO |
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124 | END DO |
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125 | END DO |
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126 | CALL crs_dom_ope( zt, 'SUM', 'U', umask, zt_crs, p_e12=e2u, p_e3=ze3u, p_surf_crs=e2e3u_msk, psgn=-1.0 ) |
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127 | CALL crs_dom_ope( zs, 'SUM', 'U', umask, zs_crs, p_e12=e2u, p_e3=ze3u, p_surf_crs=e2e3u_msk, psgn=-1.0 ) |
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128 | |
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129 | CALL iom_put( "uoce" , un_crs ) ! i-current |
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130 | CALL iom_put( "uocet" , zt_crs ) ! uT |
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131 | CALL iom_put( "uoces" , zs_crs ) ! uS |
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132 | |
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133 | ! V-velocity |
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134 | CALL crs_dom_ope( vn, 'SUM', 'V', vmask, vn_crs, p_e12=e1v, p_e3=ze3v, p_surf_crs=e1e3v_msk, psgn=-1.0 ) |
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135 | ! |
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136 | zt(:,:,:) = 0._wp ; zs(:,:,:) = 0._wp ; zt_crs(:,:,:) = 0._wp ; zs_crs(:,:,:) = 0._wp |
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137 | DO jk = 1, jpkm1 |
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138 | DO jj = 2, jpjm1 |
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139 | DO ji = 2, jpim1 |
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140 | zt(ji,jj,jk) = vn(ji,jj,jk) * 0.5 * ( tsn(ji,jj,jk,jp_tem) + tsn(ji,jj+1,jk,jp_tem) ) |
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141 | zs(ji,jj,jk) = vn(ji,jj,jk) * 0.5 * ( tsn(ji,jj,jk,jp_sal) + tsn(ji,jj+1,jk,jp_sal) ) |
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142 | END DO |
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143 | END DO |
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144 | END DO |
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145 | CALL crs_dom_ope( zt, 'SUM', 'V', vmask, zt_crs, p_e12=e1v, p_e3=ze3v, p_surf_crs=e1e3v_msk, psgn=-1.0 ) |
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146 | CALL crs_dom_ope( zs, 'SUM', 'V', vmask, zs_crs, p_e12=e1v, p_e3=ze3v, p_surf_crs=e1e3v_msk, psgn=-1.0 ) |
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147 | |
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148 | CALL iom_put( "voce" , vn_crs ) ! i-current |
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149 | CALL iom_put( "vocet" , zt_crs ) ! vT |
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150 | CALL iom_put( "voces" , zs_crs ) ! vS |
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151 | |
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152 | IF( iom_use( "eken") ) THEN ! kinetic energy |
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153 | z3d(:,:,jk) = 0._wp |
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154 | DO jk = 1, jpkm1 |
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155 | DO jj = 2, jpjm1 |
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156 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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157 | zztmp = r1_e1e2t(ji,jj) / e3t_n(ji,jj,jk) |
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158 | z3d(ji,jj,jk) = 0.25_wp * zztmp * ( & |
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159 | & un(ji-1,jj,jk)**2 * e2u(ji-1,jj) * e3u_n(ji-1,jj,jk) & |
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160 | & + un(ji ,jj,jk)**2 * e2u(ji ,jj) * e3u_n(ji ,jj,jk) & |
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161 | & + vn(ji,jj-1,jk)**2 * e1v(ji,jj-1) * e3v_n(ji,jj-1,jk) & |
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162 | & + vn(ji,jj ,jk)**2 * e1v(ji,jj ) * e3v_n(ji,jj ,jk) ) |
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163 | END DO |
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164 | END DO |
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165 | END DO |
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166 | CALL lbc_lnk( z3d, 'T', 1. ) |
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167 | ! |
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168 | CALL crs_dom_ope( z3d, 'VOL', 'T', tmask, zt_crs, p_e12=e1e2t, p_e3=ze3t, psgn=1.0 ) |
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169 | CALL iom_put( "eken", zt_crs ) |
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170 | ENDIF |
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171 | ! Horizontal divergence ( following OPA_SRC/DYN/divhor.F90 ) |
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172 | DO jk = 1, jpkm1 |
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173 | DO ji = 2, jpi_crsm1 |
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174 | DO jj = 2, jpj_crsm1 |
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175 | IF( tmask_crs(ji,jj,jk ) > 0 ) THEN |
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176 | z2dcrsu = ( un_crs(ji ,jj ,jk) * crs_surfu_wgt(ji ,jj ,jk) ) & |
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177 | & - ( un_crs(ji-1,jj ,jk) * crs_surfu_wgt(ji-1,jj ,jk) ) |
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178 | z2dcrsv = ( vn_crs(ji ,jj ,jk) * crs_surfv_wgt(ji ,jj ,jk) ) & |
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179 | & - ( vn_crs(ji ,jj-1,jk) * crs_surfv_wgt(ji ,jj-1,jk) ) |
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180 | ! |
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181 | hdivn_crs(ji,jj,jk) = ( z2dcrsu + z2dcrsv ) / crs_volt_wgt(ji,jj,jk) |
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182 | ENDIF |
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183 | END DO |
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184 | END DO |
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185 | END DO |
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186 | CALL crs_lbc_lnk( hdivn_crs, 'T', 1.0 ) |
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187 | ! |
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188 | CALL iom_put( "hdiv", hdivn_crs ) |
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189 | |
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190 | |
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191 | ! W-velocity |
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192 | IF( ln_crs_wn ) THEN |
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193 | CALL crs_dom_ope( wn, 'SUM', 'W', tmask, wn_crs, p_e12=e1e2t, p_surf_crs=e1e2w_msk, psgn=1.0 ) |
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194 | ! CALL crs_dom_ope( wn, 'VOL', 'W', tmask, wn_crs, p_e12=e1e2t, p_e3=ze3w ) |
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195 | ELSE |
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196 | wn_crs(:,:,jpk) = 0._wp |
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197 | DO jk = jpkm1, 1, -1 |
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198 | wn_crs(:,:,jk) = wn_crs(:,:,jk+1) - e3t_crs(:,:,jk) * hdivn_crs(:,:,jk) |
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199 | ENDDO |
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200 | ENDIF |
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201 | CALL iom_put( "woce", wn_crs ) ! vertical velocity |
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202 | ! free memory |
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203 | |
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204 | ! avs |
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205 | SELECT CASE ( nn_crs_kz ) |
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206 | CASE ( 0 ) |
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207 | CALL crs_dom_ope( avt, 'VOL', 'W', tmask, avt_crs, p_e12=e1e2t, p_e3=ze3w, psgn=1.0 ) |
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208 | CALL crs_dom_ope( avs, 'VOL', 'W', tmask, avs_crs, p_e12=e1e2t, p_e3=ze3w, psgn=1.0 ) |
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209 | CASE ( 1 ) |
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210 | CALL crs_dom_ope( avt, 'MAX', 'W', tmask, avt_crs, p_e12=e1e2t, p_e3=ze3w, psgn=1.0 ) |
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211 | CALL crs_dom_ope( avs, 'MAX', 'W', tmask, avs_crs, p_e12=e1e2t, p_e3=ze3w, psgn=1.0 ) |
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212 | CASE ( 2 ) |
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213 | CALL crs_dom_ope( avt, 'MIN', 'W', tmask, avt_crs, p_e12=e1e2t, p_e3=ze3w, psgn=1.0 ) |
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214 | CALL crs_dom_ope( avs, 'MIN', 'W', tmask, avs_crs, p_e12=e1e2t, p_e3=ze3w, psgn=1.0 ) |
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215 | END SELECT |
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216 | ! |
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217 | CALL iom_put( "avt", avt_crs ) ! Kz on T |
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218 | CALL iom_put( "avs", avs_crs ) ! Kz on S |
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219 | |
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220 | ! sbc fields |
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221 | CALL crs_dom_ope( sshn , 'VOL', 'T', tmask, sshn_crs , p_e12=e1e2t, p_e3=ze3t , psgn=1.0 ) |
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222 | CALL crs_dom_ope( utau , 'SUM', 'U', umask, utau_crs , p_e12=e2u , p_surf_crs=e2u_crs , psgn=1.0 ) |
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223 | CALL crs_dom_ope( vtau , 'SUM', 'V', vmask, vtau_crs , p_e12=e1v , p_surf_crs=e1v_crs , psgn=1.0 ) |
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224 | CALL crs_dom_ope( wndm , 'SUM', 'T', tmask, wndm_crs , p_e12=e1e2t, p_surf_crs=e1e2t_crs, psgn=1.0 ) |
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225 | CALL crs_dom_ope( rnf , 'MAX', 'T', tmask, rnf_crs , psgn=1.0 ) |
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226 | CALL crs_dom_ope( qsr , 'SUM', 'T', tmask, qsr_crs , p_e12=e1e2t, p_surf_crs=e1e2t_crs, psgn=1.0 ) |
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227 | CALL crs_dom_ope( emp_b, 'SUM', 'T', tmask, emp_b_crs, p_e12=e1e2t, p_surf_crs=e1e2t_crs, psgn=1.0 ) |
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228 | CALL crs_dom_ope( emp , 'SUM', 'T', tmask, emp_crs , p_e12=e1e2t, p_surf_crs=e1e2t_crs, psgn=1.0 ) |
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229 | CALL crs_dom_ope( sfx , 'SUM', 'T', tmask, sfx_crs , p_e12=e1e2t, p_surf_crs=e1e2t_crs, psgn=1.0 ) |
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230 | CALL crs_dom_ope( fr_i , 'SUM', 'T', tmask, fr_i_crs , p_e12=e1e2t, p_surf_crs=e1e2t_crs, psgn=1.0 ) |
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231 | |
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232 | CALL iom_put( "ssh" , sshn_crs ) ! ssh output |
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233 | CALL iom_put( "utau" , utau_crs ) ! i-tau output |
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234 | CALL iom_put( "vtau" , vtau_crs ) ! j-tau output |
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235 | CALL iom_put( "wspd" , wndm_crs ) ! wind speed output |
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236 | CALL iom_put( "runoffs" , rnf_crs ) ! runoff output |
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237 | CALL iom_put( "qsr" , qsr_crs ) ! qsr output |
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238 | CALL iom_put( "empmr" , emp_crs ) ! water flux output |
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239 | CALL iom_put( "saltflx" , sfx_crs ) ! salt flux output |
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240 | CALL iom_put( "ice_cover", fr_i_crs ) ! ice cover output |
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241 | |
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242 | ! |
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243 | CALL iom_swap( "nemo" ) ! return back on high-resolution grid |
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244 | ! |
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245 | IF( ln_timing ) CALL timing_stop('crs_fld') |
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246 | ! |
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247 | END SUBROUTINE crs_fld |
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248 | |
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249 | !!====================================================================== |
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250 | END MODULE crsfld |
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