1 | MODULE ldfslp |
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2 | !!====================================================================== |
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3 | !! *** MODULE ldfslp *** |
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4 | !! Ocean physics: slopes of neutral surfaces |
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5 | !!====================================================================== |
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6 | #if defined key_ldfslp || defined key_esopa |
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7 | !!---------------------------------------------------------------------- |
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8 | !! 'key_ldfslp' Rotation of lateral mixing tensor |
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9 | !!---------------------------------------------------------------------- |
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10 | !! ldf_slp : compute the slopes of neutral surface |
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11 | !! ldf_slp_mxl : compute the slopes of iso-neutral surface |
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12 | !! ldf_slp_init : initialization of the slopes computation |
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13 | !!---------------------------------------------------------------------- |
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14 | !! * Modules used |
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15 | USE oce ! ocean dynamics and tracers |
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16 | USE dom_oce ! ocean space and time domain |
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17 | USE ldftra_oce |
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18 | USE ldfdyn_oce |
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19 | USE phycst ! physical constants |
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20 | USE zdfmxl ! mixed layer depth |
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21 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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22 | USE in_out_manager ! I/O manager |
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23 | |
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24 | IMPLICIT NONE |
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25 | PRIVATE |
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26 | |
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27 | !! * Accessibility |
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28 | PUBLIC ldf_slp ! routine called by step.F90 |
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29 | |
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30 | !! * Share module variables |
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31 | LOGICAL , PUBLIC, PARAMETER :: lk_ldfslp = .TRUE. !: slopes flag |
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32 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & !: |
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33 | uslp, wslpi, & !: i_slope at U- and W-points |
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34 | vslp, wslpj !: j-slope at V- and W-points |
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35 | |
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36 | !! * Module variables |
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37 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
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38 | omlmask ! mask of the surface mixed layer at T-pt |
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39 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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40 | uslpml, wslpiml, & ! i_slope at U- and W-points just below |
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41 | ! ! the surface mixed layer |
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42 | vslpml, wslpjml ! j_slope at V- and W-points just below |
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43 | ! ! the surface mixed layer |
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44 | |
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45 | !! * Substitutions |
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46 | # include "domzgr_substitute.h90" |
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47 | # include "vectopt_loop_substitute.h90" |
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48 | !!---------------------------------------------------------------------- |
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49 | !! OPA 9.0 , LODYC-IPSL (2003) |
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50 | !!---------------------------------------------------------------------- |
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51 | |
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52 | CONTAINS |
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53 | |
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54 | SUBROUTINE ldf_slp( kt, prd, pn2 ) |
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55 | !!---------------------------------------------------------------------- |
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56 | !! *** ROUTINE ldf_slp *** |
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57 | !! |
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58 | !! ** Purpose : Compute the slopes of neutral surface (slope of iso- |
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59 | !! pycnal surfaces referenced locally) ('key_traldfiso'). |
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60 | !! |
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61 | !! ** Method : The slope in the i-direction is computed at U- and |
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62 | !! W-points (uslp, wslpi) and the slope in the j-direction is |
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63 | !! computed at V- and W-points (vslp, wslpj). |
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64 | !! They are bounded by 1/100 over the whole ocean, and within the |
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65 | !! surface layer they are bounded by the distance to the surface |
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66 | !! ( slope<= depth/l where l is the length scale of horizontal |
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67 | !! diffusion (here, aht=2000m2/s ==> l=20km with a typical velocity |
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68 | !! of 10cm/s) |
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69 | !! A horizontal shapiro filter is applied to the slopes |
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70 | !! 'key_s_coord' defined: add to the previously computed slopes |
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71 | !! the slope of the model level surface. |
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72 | !! macro-tasked on horizontal slab (jk-loop) (2, jpk-1) |
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73 | !! [slopes already set to zero at level 1, and to zero or the ocean |
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74 | !! bottom slope ('key_s_coord' defined) at level jpk in inildf] |
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75 | !! |
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76 | !! ** Action : - uslp, wslpi, and vslp, wslpj, the i- and j-slopes |
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77 | !! of now neutral surfaces at u-, w- and v- w-points, resp. |
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78 | !! |
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79 | !! History : |
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80 | !! 7.0 ! 94-12 (G. Madec, M. Imbard) Original code |
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81 | !! 8.0 ! 97-06 (G. Madec) optimization, lbc |
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82 | !! 8.1 ! 99-10 (A. Jouzeau) NEW profile |
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83 | !! 8.5 ! 99-10 (G. Madec) Free form, F90 |
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84 | !!---------------------------------------------------------------------- |
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85 | !! * Modules used |
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86 | USE oce , zgru => ua, & ! use ua as workspace |
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87 | zgrv => va, & ! use va as workspace |
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88 | zwy => ta, & ! use ta as workspace |
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89 | zwz => sa ! use sa as workspace |
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90 | !! * Arguments |
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91 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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92 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( in ) :: & |
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93 | prd, & ! in situ density |
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94 | pn2 ! Brunt-Vaisala frequency (locally ref.) |
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95 | |
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96 | !! * Local declarations |
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97 | INTEGER :: ji, jj, jk ! dummy loop indices |
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98 | INTEGER :: ii0, ii1, ij0, ij1 ! temporary integer |
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99 | #if defined key_partial_steps |
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100 | INTEGER :: iku, ikv ! temporary integers |
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101 | #endif |
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102 | REAL(wp) :: & |
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103 | zeps, zmg, zm05g, zcoef1, zcoef2, & ! temporary scalars |
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104 | zau, zbu, zav, zbv, & |
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105 | zai, zbi, zaj, zbj, & |
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106 | zcofu, zcofv, zcofw, & |
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107 | z1u, z1v, z1wu, z1wv, & |
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108 | zalpha |
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109 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zww |
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110 | !!---------------------------------------------------------------------- |
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111 | |
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112 | |
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113 | ! 0. Initialization (first time-step only) |
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114 | ! -------------- |
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115 | |
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116 | IF( kt == nit000 ) CALL ldf_slp_init |
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117 | |
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118 | |
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119 | ! 0. Local constant initialization |
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120 | ! -------------------------------- |
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121 | |
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122 | zeps = 1.e-20 |
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123 | zmg = -1.0 / grav |
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124 | zm05g = -0.5 / grav |
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125 | |
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126 | zww(:,:,:) = 0.e0 |
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127 | zwz(:,:,:) = 0.e0 |
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128 | |
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129 | ! horizontal density gradient computation |
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130 | DO jk = 1, jpk |
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131 | DO jj = 1, jpjm1 |
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132 | DO ji = 1, fs_jpim1 ! vector opt. |
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133 | zgru(ji,jj,jk) = umask(ji,jj,jk) * ( prd(ji+1,jj ,jk) - prd(ji,jj,jk) ) |
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134 | zgrv(ji,jj,jk) = vmask(ji,jj,jk) * ( prd(ji ,jj+1,jk) - prd(ji,jj,jk) ) |
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135 | END DO |
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136 | END DO |
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137 | END DO |
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138 | |
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139 | #if defined key_partial_steps |
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140 | ! partial steps correction at the bottom ocean level (zps_hde routine) |
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141 | # if defined key_vectopt_loop && ! defined key_autotasking |
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142 | jj = 1 |
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143 | DO ji = 1, jpij-jpi ! vector opt. (forced unrolling) |
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144 | # else |
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145 | DO jj = 1, jpjm1 |
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146 | DO ji = 1, jpim1 |
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147 | # endif |
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148 | ! last ocean level |
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149 | iku = MIN ( mbathy(ji,jj), mbathy(ji+1,jj) ) - 1 |
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150 | ikv = MIN ( mbathy(ji,jj), mbathy(ji,jj+1) ) - 1 |
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151 | zgru(ji,jj,iku) = gru(ji,jj) |
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152 | zgrv(ji,jj,ikv) = grv(ji,jj) |
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153 | # if ! defined key_vectopt_loop || defined key_autotasking |
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154 | END DO |
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155 | # endif |
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156 | END DO |
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157 | #endif |
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158 | |
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159 | ! Slopes of isopycnal surfaces just below the mixed layer |
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160 | ! ------------------------------------------------------- |
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161 | |
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162 | CALL ldf_slp_mxl( prd, pn2 ) |
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163 | |
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164 | !-------------------synchro--------------------------------------------- |
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165 | |
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166 | ! ! =============== |
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167 | DO jk = 2, jpkm1 ! Horizontal slab |
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168 | ! ! =============== |
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169 | |
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170 | ! I. slopes at u and v point |
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171 | ! =========================== |
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172 | |
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173 | |
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174 | ! I.1. Slopes of isopycnal surfaces |
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175 | ! --------------------------------- |
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176 | ! uslp = d/di( prd ) / d/dz( prd ) |
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177 | ! vslp = d/dj( prd ) / d/dz( prd ) |
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178 | |
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179 | ! Local vertical density gradient evaluated from N^2 |
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180 | ! zwy = d/dz(prd)= - ( prd ) / grav * mk(pn2) -- at t point |
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181 | |
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182 | DO jj = 1, jpj |
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183 | DO ji = 1, jpi |
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184 | zwy(ji,jj,jk) = zmg * ( prd(ji,jj,jk) + 1. ) & |
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185 | & * ( pn2(ji,jj,jk) + pn2(ji,jj,jk+1) ) & |
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186 | & / MAX( tmask(ji,jj,jk) + tmask (ji,jj,jk+1), 1. ) |
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187 | END DO |
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188 | END DO |
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189 | |
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190 | ! Slope at u and v points |
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191 | DO jj = 2, jpjm1 |
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192 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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193 | ! horizontal and vertical density gradient at u- and v-points |
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194 | zau = 1. / e1u(ji,jj) * zgru(ji,jj,jk) |
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195 | zav = 1. / e2v(ji,jj) * zgrv(ji,jj,jk) |
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196 | zbu = 0.5 * ( zwy(ji,jj,jk) + zwy(ji+1,jj ,jk) ) |
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197 | zbv = 0.5 * ( zwy(ji,jj,jk) + zwy(ji ,jj+1,jk) ) |
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198 | ! bound the slopes: abs(zw.)<= 1/100 and zb..<0 |
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199 | ! kxz max= ah slope max =< e1 e3 /(pi**2 2 dt) |
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200 | zbu = MIN( zbu, -100.*ABS( zau ), -7.e+3/fse3u(ji,jj,jk)*ABS( zau ) ) |
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201 | zbv = MIN( zbv, -100.*ABS( zav ), -7.e+3/fse3v(ji,jj,jk)*ABS( zav ) ) |
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202 | ! uslp and vslp output in zwz and zww, resp. |
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203 | zalpha = MAX( omlmask(ji,jj,jk), omlmask(ji+1,jj,jk) ) |
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204 | #if defined key_s_coord |
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205 | zwz (ji,jj,jk) = ( zau / ( zbu - zeps ) * ( 1. - zalpha) & |
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206 | & + zalpha * uslpml(ji,jj) & |
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207 | & * ( fsdepu(ji,jj,jk) - .5*fse3u(ji,jj,1) ) & |
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208 | & / MAX( hmlpt(ji,jj), hmlpt(ji+1,jj), 5. ) ) & |
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209 | & * umask(ji,jj,jk) |
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210 | zalpha = MAX( omlmask(ji,jj,jk), omlmask(ji,jj+1,jk) ) |
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211 | zww (ji,jj,jk) = ( zav / ( zbv - zeps ) * ( 1. - zalpha) & |
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212 | & + zalpha * vslpml(ji,jj) & |
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213 | & * ( fsdepv(ji,jj,jk) - .5*fse3v(ji,jj,1) ) & |
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214 | & / MAX( hmlpt(ji,jj), hmlpt(ji,jj+1), 5. ) ) & |
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215 | & * vmask(ji,jj,jk) |
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216 | #else |
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217 | ! z-coord and partial steps slope computed in the same way |
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218 | zwz (ji,jj,jk) = ( zau / ( zbu - zeps ) * ( 1. - zalpha) & |
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219 | & + zalpha * uslpml(ji,jj) & |
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220 | & * ( fsdept(ji,jj,jk) - .5*fse3u(ji,jj,1)) & |
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221 | & / MAX (hmlpt(ji,jj),hmlpt(ji+1,jj),5.) ) & |
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222 | & * umask (ji,jj,jk) |
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223 | zalpha = MAX(omlmask(ji,jj,jk),omlmask(ji,jj+1,jk)) |
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224 | zww (ji,jj,jk) = ( zav / ( zbv - zeps ) * ( 1. - zalpha) & |
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225 | & + zalpha * vslpml(ji,jj) & |
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226 | & * ( fsdept(ji,jj,jk) - .5*fse3v(ji,jj,1)) & |
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227 | & / MAX(hmlpt(ji,jj),hmlpt(ji,jj+1),5.) ) & |
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228 | & * vmask (ji,jj,jk) |
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229 | #endif |
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230 | END DO |
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231 | END DO |
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232 | ! ! =============== |
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233 | END DO ! end of slab |
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234 | ! ! =============== |
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235 | |
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236 | |
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237 | ! lateral boundary conditions on zww and zwz |
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238 | CALL lbc_lnk( zwz, 'U', -1. ) |
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239 | CALL lbc_lnk( zww, 'V', -1. ) |
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240 | |
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241 | ! ! =============== |
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242 | DO jk = 2, jpkm1 ! Horizontal slab |
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243 | ! ! =============== |
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244 | |
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245 | ! Shapiro filter applied in the horizontal direction |
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246 | zcofu = 1. / 16. |
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247 | zcofv = 1. / 16. |
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248 | DO jj = 2, jpjm1, jpj-3 ! row jj=2 and =jpjm1 only |
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249 | DO ji = 2, jpim1 |
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250 | !uslop |
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251 | uslp(ji,jj,jk) = zcofu * ( zwz(ji-1,jj-1,jk) + zwz(ji+1,jj-1,jk) & |
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252 | & + zwz(ji-1,jj+1,jk) + zwz(ji+1,jj+1,jk) & |
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253 | & + 2.*(zwz(ji ,jj-1,jk) + zwz(ji-1,jj ,jk) & |
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254 | & + zwz(ji+1,jj ,jk) + zwz(ji ,jj+1,jk) ) & |
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255 | & + 4.* zwz(ji ,jj ,jk) ) |
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256 | ! vslop |
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257 | vslp(ji,jj,jk) = zcofv * ( zww(ji-1,jj-1,jk) + zww(ji+1,jj-1,jk) & |
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258 | & + zww(ji-1,jj+1,jk) + zww(ji+1,jj+1,jk) & |
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259 | & + 2.*(zww(ji ,jj-1,jk) + zww(ji-1,jj ,jk) & |
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260 | & + zww(ji+1,jj ,jk) + zww(ji ,jj+1,jk) ) & |
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261 | & + 4.* zww(ji,jj ,jk) ) |
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262 | END DO |
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263 | END DO |
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264 | |
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265 | DO jj = 3, jpj-2 |
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266 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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267 | ! uslop |
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268 | uslp(ji,jj,jk) = zcofu * ( zwz(ji-1,jj-1,jk) + zwz(ji+1,jj-1,jk) & |
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269 | & + zwz(ji-1,jj+1,jk) + zwz(ji+1,jj+1,jk) & |
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270 | & + 2.*( zwz(ji ,jj-1,jk) + zwz(ji-1,jj ,jk) & |
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271 | & + zwz(ji+1,jj ,jk) + zwz(ji ,jj+1,jk) ) & |
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272 | & + 4.* zwz(ji ,jj ,jk) ) |
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273 | ! vslop |
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274 | vslp(ji,jj,jk) = zcofv * ( zww(ji-1,jj-1,jk) + zww(ji+1,jj-1,jk) & |
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275 | & + zww(ji-1,jj+1,jk) + zww(ji+1,jj+1,jk) & |
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276 | & + 2.*( zww(ji ,jj-1,jk) + zww(ji-1,jj ,jk) & |
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277 | & + zww(ji+1,jj ,jk) + zww(ji ,jj+1,jk) ) & |
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278 | & + 4.* zww(ji,jj ,jk) ) |
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279 | END DO |
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280 | END DO |
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281 | |
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282 | ! decrease along coastal boundaries |
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283 | DO jj = 2, jpjm1 |
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284 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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285 | z1u = ( umask(ji,jj+1,jk) + umask(ji,jj-1,jk) )*.5 |
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286 | z1v = ( vmask(ji+1,jj,jk) + vmask(ji-1,jj,jk) )*.5 |
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287 | z1wu = ( umask(ji,jj,jk) + umask(ji,jj,jk+1) )*.5 |
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288 | z1wv = ( vmask(ji,jj,jk) + vmask(ji,jj,jk+1) )*.5 |
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289 | uslp(ji,jj,jk) = uslp(ji,jj,jk) * z1u * z1wu |
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290 | vslp(ji,jj,jk) = vslp(ji,jj,jk) * z1v * z1wv |
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291 | END DO |
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292 | END DO |
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293 | |
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294 | |
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295 | IF( lk_sco ) THEN |
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296 | ! Add the slope of level surfaces |
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297 | ! ----------------------------------- |
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298 | ! 'key_s_coord' defined but not 'key_traldfiso' the computation is done |
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299 | ! in inildf, ldfslp never called |
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300 | ! 'key_s_coord' and 'key_traldfiso' defined, the slope of level surfaces |
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301 | ! is added to the slope of isopycnal surfaces. |
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302 | ! c a u t i o n : minus sign as fsdep has positive value |
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303 | |
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304 | DO jj = 2, jpjm1 |
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305 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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306 | uslp(ji,jj,jk) = uslp(ji,jj,jk) - 1. / e1u(ji,jj) & |
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307 | & * ( fsdept(ji+1,jj,jk) - fsdept(ji,jj,jk) ) |
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308 | vslp(ji,jj,jk) = vslp(ji,jj,jk) - 1. / e2v(ji,jj) & |
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309 | & * ( fsdept(ji,jj+1,jk) - fsdept(ji,jj,jk) ) |
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310 | END DO |
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311 | END DO |
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312 | ENDIF |
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313 | |
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314 | |
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315 | ! II. Computation of slopes at w point |
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316 | ! ==================================== |
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317 | |
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318 | |
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319 | ! II.1 Slopes of isopycnal surfaces |
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320 | ! --------------------------------- |
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321 | ! wslpi = mij( d/di( prd ) / d/dz( prd ) |
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322 | ! wslpj = mij( d/dj( prd ) / d/dz( prd ) |
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323 | |
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324 | |
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325 | ! Local vertical density gradient evaluated from N^2 |
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326 | ! zwy = d/dz(prd)= - mk ( prd ) / grav * pn2 -- at w point |
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327 | DO jj = 1, jpj |
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328 | DO ji = 1, jpi |
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329 | zwy (ji,jj,jk) = zm05g * pn2 (ji,jj,jk) * & |
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330 | & ( prd (ji,jj,jk) + prd (ji,jj,jk-1) + 2. ) |
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331 | END DO |
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332 | END DO |
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333 | |
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334 | ! Slope at w point |
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335 | DO jj = 2, jpjm1 |
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336 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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337 | ! horizontal density i-gradient at w-points |
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338 | zcoef1 = MAX( zeps, umask(ji-1,jj,jk )+umask(ji,jj,jk ) & |
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339 | & +umask(ji-1,jj,jk-1)+umask(ji,jj,jk-1) ) |
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340 | zcoef1 = 1. / ( zcoef1 * e1t (ji,jj) ) |
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341 | zai = zcoef1 * ( zgru(ji ,jj,jk ) + zgru(ji ,jj,jk-1) & |
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342 | & + zgru(ji-1,jj,jk-1) + zgru(ji-1,jj,jk ) ) * tmask (ji,jj,jk) |
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343 | ! horizontal density j-gradient at w-points |
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344 | zcoef2 = MAX( zeps, vmask(ji,jj-1,jk )+vmask(ji,jj,jk-1) & |
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345 | & +vmask(ji,jj-1,jk-1)+vmask(ji,jj,jk ) ) |
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346 | zcoef2 = 1.0 / ( zcoef2 * e2t (ji,jj) ) |
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347 | zaj = zcoef2 * ( zgrv(ji,jj ,jk ) + zgrv(ji,jj ,jk-1) & |
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348 | & + zgrv(ji,jj-1,jk-1) + zgrv(ji,jj-1,jk ) ) * tmask (ji,jj,jk) |
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349 | ! bound the slopes: abs(zw.)<= 1/100 and zb..<0. |
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350 | ! static instability: |
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351 | ! kxz max= ah slope max =< e1 e3 /(pi**2 2 dt) |
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352 | zbi = MIN( zwy (ji,jj,jk),- 100.*ABS(zai), -7.e+3/fse3w(ji,jj,jk)*ABS(zai) ) |
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353 | zbj = MIN( zwy (ji,jj,jk), -100.*ABS(zaj), -7.e+3/fse3w(ji,jj,jk)*ABS(zaj) ) |
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354 | ! wslpi and wslpj output in zwz and zww, resp. |
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355 | zalpha = MAX(omlmask(ji,jj,jk),omlmask(ji,jj,jk-1)) |
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356 | zwz(ji,jj,jk) = ( zai / ( zbi - zeps) * ( 1. - zalpha ) & |
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357 | & + zalpha * wslpiml(ji,jj) & |
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358 | & * fsdepw(ji,jj,jk) / MAX( hmlp(ji,jj),10. ) ) & |
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359 | & * tmask (ji,jj,jk) |
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360 | zww(ji,jj,jk) = ( zaj / ( zbj - zeps) * ( 1. - zalpha ) & |
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361 | & + zalpha * wslpjml(ji,jj) & |
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362 | & * fsdepw(ji,jj,jk) / MAX( hmlp(ji,jj),10. ) ) & |
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363 | & * tmask (ji,jj,jk) |
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364 | END DO |
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365 | END DO |
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366 | ! ! =============== |
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367 | END DO ! end of slab |
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368 | ! ! =============== |
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369 | |
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370 | |
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371 | ! lateral boundary conditions on zwz and zww |
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372 | CALL lbc_lnk( zwz, 'T', -1. ) |
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373 | CALL lbc_lnk( zww, 'T', -1. ) |
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374 | |
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375 | ! ! =============== |
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376 | DO jk = 2, jpkm1 ! Horizontal slab |
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377 | ! ! =============== |
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378 | |
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379 | ! Shapiro filter applied in the horizontal direction |
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380 | |
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381 | DO jj = 2, jpjm1, jpj-3 ! row jj=2 and =jpjm1 |
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382 | DO ji = 2, jpim1 |
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383 | zcofw = tmask(ji,jj,jk)/16. |
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384 | wslpi(ji,jj,jk) = ( zwz(ji-1,jj-1,jk) + zwz(ji+1,jj-1,jk) & |
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385 | & + zwz(ji-1,jj+1,jk) + zwz(ji+1,jj+1,jk) & |
---|
386 | & + 2.*( zwz(ji ,jj-1,jk) + zwz(ji-1,jj ,jk) & |
---|
387 | & + zwz(ji+1,jj ,jk) + zwz(ji ,jj+1,jk) ) & |
---|
388 | & + 4.* zwz(ji ,jj ,jk) ) * zcofw |
---|
389 | |
---|
390 | wslpj(ji,jj,jk) = ( zww(ji-1,jj-1,jk) + zww(ji+1,jj-1,jk) & |
---|
391 | & + zww(ji-1,jj+1,jk) + zww(ji+1,jj+1,jk) & |
---|
392 | & + 2.*( zww(ji ,jj-1,jk) + zww(ji-1,jj ,jk) & |
---|
393 | & + zww(ji+1,jj ,jk) + zww(ji ,jj+1,jk) ) & |
---|
394 | & + 4.* zww(ji ,jj ,jk) ) * zcofw |
---|
395 | END DO |
---|
396 | END DO |
---|
397 | |
---|
398 | DO jj = 3, jpj-2 |
---|
399 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
400 | zcofw = tmask(ji,jj,jk)/16. |
---|
401 | wslpi(ji,jj,jk) = ( zwz(ji-1,jj-1,jk) + zwz(ji+1,jj-1,jk) & |
---|
402 | & + zwz(ji-1,jj+1,jk) + zwz(ji+1,jj+1,jk) & |
---|
403 | & + 2.*( zwz(ji ,jj-1,jk) + zwz(ji-1,jj ,jk) & |
---|
404 | & + zwz(ji+1,jj ,jk) + zwz(ji ,jj+1,jk) ) & |
---|
405 | & + 4.* zwz(ji ,jj ,jk) ) * zcofw |
---|
406 | |
---|
407 | wslpj(ji,jj,jk) = ( zww(ji-1,jj-1,jk) + zww(ji+1,jj-1,jk) & |
---|
408 | & + zww(ji-1,jj+1,jk) + zww(ji+1,jj+1,jk) & |
---|
409 | & + 2.*( zww(ji ,jj-1,jk) + zww(ji-1,jj ,jk) & |
---|
410 | & + zww(ji+1,jj ,jk) + zww(ji ,jj+1,jk) ) & |
---|
411 | & + 4.* zww(ji ,jj ,jk) ) * zcofw |
---|
412 | END DO |
---|
413 | END DO |
---|
414 | |
---|
415 | ! decrease the slope along the boundaries |
---|
416 | DO jj = 2, jpjm1 |
---|
417 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
418 | z1u = ( umask(ji,jj,jk) + umask(ji-1,jj,jk) ) *.5 |
---|
419 | z1v = ( vmask(ji,jj,jk) + vmask(ji,jj-1,jk) ) *.5 |
---|
420 | wslpi(ji,jj,jk) = wslpi(ji,jj,jk) * z1u * z1v |
---|
421 | wslpj(ji,jj,jk) = wslpj(ji,jj,jk) * z1u * z1v |
---|
422 | END DO |
---|
423 | END DO |
---|
424 | |
---|
425 | IF( lk_sco ) THEN |
---|
426 | |
---|
427 | ! Slope of level surfaces |
---|
428 | ! ----------------------- |
---|
429 | ! 'key_s_coord' defined but not 'key_traldfiso' the computation is done |
---|
430 | ! in inildf, ldfslp never called |
---|
431 | ! 'key_s_coord' and 'key_traldfiso' defined, the slope of level surfaces |
---|
432 | ! is added to the slope of isopycnal surfaces. |
---|
433 | |
---|
434 | DO jj = 2, jpjm1 |
---|
435 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
436 | wslpi(ji,jj,jk) = wslpi(ji,jj,jk) - 1. / e1t(ji,jj) & |
---|
437 | & * ( fsdepuw(ji+1,jj,jk) - fsdepuw(ji,jj,jk) ) |
---|
438 | wslpj(ji,jj,jk) = wslpj(ji,jj,jk) - 1. / e2t(ji,jj) & |
---|
439 | & * ( fsdepvw(ji,jj+1,jk) - fsdepvw(ji,jj,jk) ) |
---|
440 | END DO |
---|
441 | END DO |
---|
442 | ENDIF |
---|
443 | |
---|
444 | ! III. Specific grid points |
---|
445 | ! ------------------------- |
---|
446 | |
---|
447 | IF( cp_cfg == "orca" .AND. jp_cfg == 4 ) THEN |
---|
448 | ! ! ======================= |
---|
449 | ! Horizontal diffusion in ! ORCA_R4 configuration |
---|
450 | ! specific area ! ======================= |
---|
451 | ! |
---|
452 | ! ! Gibraltar Strait |
---|
453 | ij0 = 50 ; ij1 = 53 |
---|
454 | ii0 = 69 ; ii1 = 71 ; uslp ( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk ) = 0.e0 |
---|
455 | ij0 = 51 ; ij1 = 53 |
---|
456 | ii0 = 68 ; ii1 = 71 ; vslp ( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk ) = 0.e0 |
---|
457 | ii0 = 69 ; ii1 = 71 ; wslpi( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk ) = 0.e0 |
---|
458 | ii0 = 69 ; ii1 = 71 ; wslpj( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk ) = 0.e0 |
---|
459 | |
---|
460 | ! ! Mediterrannean Sea |
---|
461 | ij0 = 49 ; ij1 = 56 |
---|
462 | ii0 = 71 ; ii1 = 90 ; uslp ( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk ) = 0.e0 |
---|
463 | ij0 = 50 ; ij1 = 56 |
---|
464 | ii0 = 70 ; ii1 = 90 ; vslp ( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk ) = 0.e0 |
---|
465 | ii0 = 71 ; ii1 = 90 ; wslpi( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk ) = 0.e0 |
---|
466 | ii0 = 71 ; ii1 = 90 ; wslpj( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) , jk ) = 0.e0 |
---|
467 | ENDIF |
---|
468 | ! ! =============== |
---|
469 | END DO ! end of slab |
---|
470 | ! ! =============== |
---|
471 | |
---|
472 | |
---|
473 | ! III Lateral boundary conditions on all slopes (uslp , vslp, |
---|
474 | ! ------------------------------- wslpi, wslpj ) |
---|
475 | CALL lbc_lnk( uslp , 'U', -1. ) |
---|
476 | CALL lbc_lnk( vslp , 'V', -1. ) |
---|
477 | CALL lbc_lnk( wslpi, 'W', -1. ) |
---|
478 | CALL lbc_lnk( wslpj, 'W', -1. ) |
---|
479 | |
---|
480 | IF(l_ctl) THEN |
---|
481 | WRITE(numout,*) ' slp - u : ', SUM( uslp (1:nictl,1:njctl,:) ), ' v : ', SUM( vslp (1:nictl,1:njctl,:) ) |
---|
482 | WRITE(numout,*) ' - wi: ', SUM( wslpi(1:nictl,1:njctl,:) ), ' wj: ', SUM( wslpj(1:nictl,1:njctl,:) ) |
---|
483 | ENDIF |
---|
484 | |
---|
485 | END SUBROUTINE ldf_slp |
---|
486 | |
---|
487 | |
---|
488 | SUBROUTINE ldf_slp_mxl( prd, pn2 ) |
---|
489 | !!---------------------------------------------------------------------- |
---|
490 | !! *** ROUTINE ldf_slp_mxl *** |
---|
491 | !! ** Purpose : |
---|
492 | !! Compute the slopes of iso-neutral surface (slope of isopycnal |
---|
493 | !! surfaces referenced locally) just above the mixed layer. |
---|
494 | !! |
---|
495 | !! ** Method : |
---|
496 | !! The slope in the i-direction is computed at u- and w-points |
---|
497 | !! (uslp, wslpi) and the slope in the j-direction is computed at |
---|
498 | !! v- and w-points (vslp, wslpj). |
---|
499 | !! They are bounded by 1/100 over the whole ocean, and within the |
---|
500 | !! surface layer they are bounded by the distance to the surface |
---|
501 | !! ( slope<= depth/l where l is the length scale of horizontal |
---|
502 | !! diffusion (here, aht=2000m2/s ==> l=20km with a typical velocity |
---|
503 | !! of 10cm/s) |
---|
504 | !! |
---|
505 | !! ** Action : |
---|
506 | !! Compute uslp, wslpi, and vslp, wslpj, the i- and j-slopes |
---|
507 | !! of now neutral surfaces at u-, w- and v- w-points, resp. |
---|
508 | !! |
---|
509 | !! History : |
---|
510 | !! 8.1 ! 99-10 (A. Jouzeau) Original code |
---|
511 | !! 8.5 ! 99-10 (G. Madec) Free form, F90 |
---|
512 | !!---------------------------------------------------------------------- |
---|
513 | !! * Modules used |
---|
514 | USE oce , zgru => ua, & ! ua, va used as workspace and set to hor. |
---|
515 | zgrv => va ! density gradient in ldf_slp |
---|
516 | |
---|
517 | !! * Arguments |
---|
518 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( in ) :: & |
---|
519 | prd, & ! in situ density |
---|
520 | pn2 ! Brunt-Vaisala frequency (locally ref.) |
---|
521 | |
---|
522 | !! * Local declarations |
---|
523 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
524 | INTEGER :: ik, ikm1 ! temporary integers |
---|
525 | REAL(wp), DIMENSION(jpi,jpj) :: & |
---|
526 | zwy ! temporary workspace |
---|
527 | REAL(wp) :: & |
---|
528 | zeps, zmg, zm05g, & ! temporary scalars |
---|
529 | zcoef1, zcoef2, & ! " " |
---|
530 | zau, zbu, zav, zbv, & ! " " |
---|
531 | zai, zbi, zaj, zbj ! " " |
---|
532 | !!---------------------------------------------------------------------- |
---|
533 | |
---|
534 | |
---|
535 | ! 0. Local constant initialization |
---|
536 | ! -------------------------------- |
---|
537 | |
---|
538 | zeps = 1.e-20 |
---|
539 | zmg = -1.0 / grav |
---|
540 | zm05g = -0.5 / grav |
---|
541 | |
---|
542 | |
---|
543 | uslpml (1,:) = 0.e0 ; uslpml (jpi,:) = 0.e0 |
---|
544 | vslpml (1,:) = 0.e0 ; vslpml (jpi,:) = 0.e0 |
---|
545 | wslpiml(1,:) = 0.e0 ; wslpiml(jpi,:) = 0.e0 |
---|
546 | wslpjml(1,:) = 0.e0 ; wslpjml(jpi,:) = 0.e0 |
---|
547 | |
---|
548 | ! surface mixed layer mask |
---|
549 | |
---|
550 | ! mask for mixed layer |
---|
551 | DO jk = 1, jpk |
---|
552 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
553 | jj = 1 |
---|
554 | DO ji = 1, jpij ! vector opt. (forced unrolling) |
---|
555 | # else |
---|
556 | DO jj = 1, jpj |
---|
557 | DO ji = 1, jpi |
---|
558 | # endif |
---|
559 | ! mixed layer interior (mask = 1) and exterior (mask = 0) |
---|
560 | ik = nmln(ji,jj) - 1 |
---|
561 | IF( jk <= ik ) THEN |
---|
562 | omlmask(ji,jj,jk) = 1.e0 |
---|
563 | ELSE |
---|
564 | omlmask(ji,jj,jk) = 0.e0 |
---|
565 | ENDIF |
---|
566 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
567 | END DO |
---|
568 | # endif |
---|
569 | END DO |
---|
570 | END DO |
---|
571 | |
---|
572 | |
---|
573 | ! Slopes of isopycnal surfaces just before bottom of mixed layer |
---|
574 | ! -------------------------------------------------------------- |
---|
575 | ! uslpml = d/di( prd ) / d/dz( prd ) |
---|
576 | ! vslpml = d/dj( prd ) / d/dz( prd ) |
---|
577 | |
---|
578 | ! Local vertical density gradient evaluated from N^2 |
---|
579 | ! zwy = d/dz(prd)= - ( prd ) / grav * mk(pn2) -- at t point |
---|
580 | |
---|
581 | !----------------------------------------------------------------------- |
---|
582 | zwy(:,jpj) = 0.e0 |
---|
583 | zwy(jpi,:) = 0.e0 |
---|
584 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
585 | jj = 1 |
---|
586 | DO ji = 1, jpij-jpi ! vector opt. (forced unrolling) |
---|
587 | # else |
---|
588 | DO jj = 1, jpjm1 |
---|
589 | DO ji = 1, jpim1 |
---|
590 | # endif |
---|
591 | ik = MAX( 1, nmln(ji,jj) , nmln(ji+1,jj) ) |
---|
592 | ! if ik = jpk take jpkm1 values |
---|
593 | ik = MIN( ik,jpkm1 ) |
---|
594 | zwy(ji,jj) = zmg * ( prd(ji,jj,ik) + 1. ) & |
---|
595 | & * ( pn2(ji,jj,ik) + pn2(ji,jj,ik+1) ) & |
---|
596 | & / MAX( tmask(ji,jj,ik) + tmask (ji,jj,ik+1), 1. ) |
---|
597 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
598 | END DO |
---|
599 | # endif |
---|
600 | END DO |
---|
601 | ! lateral boundary conditions on zwy |
---|
602 | CALL lbc_lnk( zwy, 'U', -1. ) |
---|
603 | |
---|
604 | ! Slope at u points |
---|
605 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
606 | jj = 1 |
---|
607 | DO ji = jpi+2, jpij-jpi-1 ! vector opt. (forced unrolling) |
---|
608 | # else |
---|
609 | DO jj = 2, jpjm1 |
---|
610 | DO ji = 2, jpim1 |
---|
611 | # endif |
---|
612 | ! horizontal and vertical density gradient at u-points |
---|
613 | ik = MAX( 1, nmln(ji,jj) , nmln(ji+1,jj) ) |
---|
614 | ik = MIN( ik,jpkm1 ) |
---|
615 | zau = 1./ e1u(ji,jj) * zgru(ji,jj,ik) |
---|
616 | zbu = 0.5*( zwy(ji,jj) + zwy(ji+1,jj) ) |
---|
617 | ! bound the slopes: abs(zw.)<= 1/100 and zb..<0 |
---|
618 | ! kxz max= ah slope max =< e1 e3 /(pi**2 2 dt) |
---|
619 | zbu = MIN( zbu, -100.*ABS(zau), -7.e+3/fse3u(ji,jj,ik)*ABS(zau) ) |
---|
620 | ! uslpml |
---|
621 | uslpml (ji,jj) = zau / ( zbu - zeps ) * umask (ji,jj,ik) |
---|
622 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
623 | END DO |
---|
624 | # endif |
---|
625 | END DO |
---|
626 | |
---|
627 | ! lateral boundary conditions on uslpml |
---|
628 | CALL lbc_lnk( uslpml, 'U', -1. ) |
---|
629 | |
---|
630 | ! Local vertical density gradient evaluated from N^2 |
---|
631 | ! zwy = d/dz(prd)= - ( prd ) / grav * mk(pn2) -- at t point |
---|
632 | zwy ( :, jpj) = 0.e0 |
---|
633 | zwy ( jpi, :) = 0.e0 |
---|
634 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
635 | jj = 1 |
---|
636 | DO ji = 1, jpij-jpi ! vector opt. (forced unrolling) |
---|
637 | # else |
---|
638 | DO jj = 1, jpjm1 |
---|
639 | DO ji = 1, jpim1 |
---|
640 | # endif |
---|
641 | ik = MAX( 1, nmln(ji,jj) , nmln(ji,jj+1) ) |
---|
642 | ik = MIN( ik,jpkm1 ) |
---|
643 | zwy(ji,jj) = zmg * ( prd(ji,jj,ik) + 1. ) & |
---|
644 | & * ( pn2(ji,jj,ik) + pn2(ji,jj,ik+1) ) & |
---|
645 | & / MAX( tmask(ji,jj,ik) + tmask (ji,jj,ik+1), 1. ) |
---|
646 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
647 | END DO |
---|
648 | # endif |
---|
649 | END DO |
---|
650 | |
---|
651 | ! lateral boundary conditions on zwy |
---|
652 | CALL lbc_lnk( zwy, 'V', -1. ) |
---|
653 | |
---|
654 | ! Slope at v points |
---|
655 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
656 | jj = 1 |
---|
657 | DO ji = jpi+2, jpij-jpi-1 ! vector opt. (forced unrolling) |
---|
658 | # else |
---|
659 | DO jj = 2, jpjm1 |
---|
660 | DO ji = 2, jpim1 |
---|
661 | # endif |
---|
662 | ! horizontal and vertical density gradient at v-points |
---|
663 | ik = MAX( 1, nmln(ji,jj) , nmln(ji,jj+1) ) |
---|
664 | ik = MIN( ik,jpkm1 ) |
---|
665 | zav = 1./ e2v(ji,jj) * zgrv(ji,jj,ik) |
---|
666 | zbv = 0.5*( zwy(ji,jj) + zwy(ji,jj+1) ) |
---|
667 | ! bound the slopes: abs(zw.)<= 1/100 and zb..<0 |
---|
668 | ! kxz max= ah slope max =< e1 e3 /(pi**2 2 dt) |
---|
669 | zbv = MIN( zbv, -100.*ABS(zav), -7.e+3/fse3v(ji,jj,ik)*ABS( zav ) ) |
---|
670 | ! vslpml |
---|
671 | vslpml (ji,jj) = zav / ( zbv - zeps ) * vmask (ji,jj,ik) |
---|
672 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
673 | END DO |
---|
674 | # endif |
---|
675 | END DO |
---|
676 | |
---|
677 | ! lateral boundary conditions on vslpml |
---|
678 | CALL lbc_lnk( vslpml, 'V', -1. ) |
---|
679 | |
---|
680 | ! wslpiml = mij( d/di( prd ) / d/dz( prd ) |
---|
681 | ! wslpjml = mij( d/dj( prd ) / d/dz( prd ) |
---|
682 | |
---|
683 | |
---|
684 | ! Local vertical density gradient evaluated from N^2 |
---|
685 | ! zwy = d/dz(prd)= - mk ( prd ) / grav * pn2 -- at w point |
---|
686 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
687 | jj = 1 |
---|
688 | DO ji = 1, jpij ! vector opt. (forced unrolling) |
---|
689 | # else |
---|
690 | DO jj = 1, jpj |
---|
691 | DO ji = 1, jpi |
---|
692 | # endif |
---|
693 | ik = nmln(ji,jj)+1 |
---|
694 | ik = MIN( ik,jpk ) |
---|
695 | ikm1 = MAX ( 1, ik-1) |
---|
696 | zwy (ji,jj) = zm05g * pn2 (ji,jj,ik) * & |
---|
697 | & ( prd (ji,jj,ik) + prd (ji,jj,ikm1) + 2. ) |
---|
698 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
699 | END DO |
---|
700 | # endif |
---|
701 | END DO |
---|
702 | |
---|
703 | ! Slope at w point |
---|
704 | # if defined key_vectopt_loop && ! defined key_autotasking |
---|
705 | jj = 1 |
---|
706 | DO ji = jpi+2, jpij-jpi-1 ! vector opt. (forced unrolling) |
---|
707 | # else |
---|
708 | DO jj = 2, jpjm1 |
---|
709 | DO ji = 2, jpim1 |
---|
710 | # endif |
---|
711 | ik = nmln(ji,jj)+1 |
---|
712 | ik = MIN( ik,jpk ) |
---|
713 | ikm1 = MAX ( 1, ik-1) |
---|
714 | ! horizontal density i-gradient at w-points |
---|
715 | zcoef1 = MAX( zeps, umask(ji-1,jj,ik )+umask(ji,jj,ik ) & |
---|
716 | & +umask(ji-1,jj,ikm1)+umask(ji,jj,ikm1) ) |
---|
717 | zcoef1 = 1. / ( zcoef1 * e1t (ji,jj) ) |
---|
718 | zai = zcoef1 * ( zgru(ji ,jj,ik ) + zgru(ji ,jj,ikm1) & |
---|
719 | & + zgru(ji-1,jj,ikm1) + zgru(ji-1,jj,ik ) ) * tmask (ji,jj,ik) |
---|
720 | ! horizontal density j-gradient at w-points |
---|
721 | zcoef2 = MAX( zeps, vmask(ji,jj-1,ik )+vmask(ji,jj,ikm1) & |
---|
722 | & +vmask(ji,jj-1,ikm1)+vmask(ji,jj,ik ) ) |
---|
723 | zcoef2 = 1.0 / ( zcoef2 * e2t (ji,jj) ) |
---|
724 | zaj = zcoef2 * ( zgrv(ji,jj ,ik ) + zgrv(ji,jj ,ikm1) & |
---|
725 | & + zgrv(ji,jj-1,ikm1) + zgrv(ji,jj-1,ik ) ) * tmask (ji,jj,ik) |
---|
726 | ! bound the slopes: abs(zw.)<= 1/100 and zb..<0. |
---|
727 | ! static instability: |
---|
728 | ! kxz max= ah slope max =< e1 e3 /(pi**2 2 dt) |
---|
729 | zbi = MIN ( zwy (ji,jj),- 100.*ABS(zai), -7.e+3/fse3w(ji,jj,ik)*ABS(zai) ) |
---|
730 | zbj = MIN ( zwy (ji,jj), -100.*ABS(zaj), -7.e+3/fse3w(ji,jj,ik)*ABS(zaj) ) |
---|
731 | ! wslpiml and wslpjml |
---|
732 | wslpiml (ji,jj) = zai / ( zbi - zeps) * tmask (ji,jj,ik) |
---|
733 | wslpjml (ji,jj) = zaj / ( zbj - zeps) * tmask (ji,jj,ik) |
---|
734 | # if ! defined key_vectopt_loop || defined key_autotasking |
---|
735 | END DO |
---|
736 | # endif |
---|
737 | END DO |
---|
738 | |
---|
739 | ! lateral boundary conditions on wslpiml and wslpjml |
---|
740 | CALL lbc_lnk( wslpiml, 'W', -1. ) |
---|
741 | CALL lbc_lnk( wslpjml, 'W', -1. ) |
---|
742 | |
---|
743 | END SUBROUTINE ldf_slp_mxl |
---|
744 | |
---|
745 | |
---|
746 | SUBROUTINE ldf_slp_init |
---|
747 | !!---------------------------------------------------------------------- |
---|
748 | !! *** ROUTINE ldf_slp_init *** |
---|
749 | !! |
---|
750 | !! ** Purpose : Initialization for the isopycnal slopes computation |
---|
751 | !! |
---|
752 | !! ** Method : read the nammbf namelist and check the parameter |
---|
753 | !! values called by tra_dmp at the first timestep (nit000) |
---|
754 | !! |
---|
755 | !! History : |
---|
756 | !! 8.5 ! 02-06 (G. Madec) original code |
---|
757 | !!---------------------------------------------------------------------- |
---|
758 | !! * local declarations |
---|
759 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
760 | !!---------------------------------------------------------------------- |
---|
761 | |
---|
762 | |
---|
763 | ! Parameter control and print |
---|
764 | ! --------------------------- |
---|
765 | IF(lwp) THEN |
---|
766 | WRITE(numout,*) |
---|
767 | WRITE(numout,*) 'ldf_slp : direction of lateral mixing' |
---|
768 | WRITE(numout,*) '~~~~~~~' |
---|
769 | ENDIF |
---|
770 | |
---|
771 | ! Direction of lateral diffusion (tracers and/or momentum) |
---|
772 | ! ------------------------------ |
---|
773 | ! set the slope to zero (even in s-coordinates) |
---|
774 | |
---|
775 | uslp (:,:,:) = 0.e0 |
---|
776 | vslp (:,:,:) = 0.e0 |
---|
777 | wslpi(:,:,:) = 0.e0 |
---|
778 | wslpj(:,:,:) = 0.e0 |
---|
779 | |
---|
780 | uslpml (:,:) = 0.e0 |
---|
781 | vslpml (:,:) = 0.e0 |
---|
782 | wslpiml(:,:) = 0.e0 |
---|
783 | wslpjml(:,:) = 0.e0 |
---|
784 | |
---|
785 | IF( ln_traldf_hor .OR. ln_dynldf_hor ) THEN |
---|
786 | |
---|
787 | ! geopotential diffusion in s-coordinates on tracers and/or momentum |
---|
788 | ! The slopes of s-surfaces are computed once (no call to ldfslp in step) |
---|
789 | ! The slopes for momentum diffusion are i- or j- averaged of those on tracers |
---|
790 | |
---|
791 | ! set the slope of diffusion to the slope of s-surfaces |
---|
792 | ! ( c a u t i o n : minus sign as fsdep has positive value ) |
---|
793 | DO jk = 1, jpk |
---|
794 | DO jj = 2, jpjm1 |
---|
795 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
796 | uslp (ji,jj,jk) = -1. / e1u(ji,jj) * umask(ji,jj,jk) & |
---|
797 | & * ( fsdept(ji+1,jj,jk) - fsdept(ji,jj,jk) ) |
---|
798 | vslp (ji,jj,jk) = -1. / e2v(ji,jj) * vmask(ji,jj,jk) & |
---|
799 | & * ( fsdept(ji,jj+1,jk) - fsdept(ji,jj,jk) ) |
---|
800 | wslpi(ji,jj,jk) = -1. / e1t(ji,jj) * tmask(ji,jj,jk) & |
---|
801 | & * ( fsdepuw(ji+1,jj,jk) - fsdepuw(ji,jj,jk) ) |
---|
802 | wslpj(ji,jj,jk) = -1. / e2t(ji,jj) * tmask(ji,jj,jk) & |
---|
803 | & * ( fsdepvw(ji,jj+1,jk) - fsdepvw(ji,jj,jk) ) |
---|
804 | END DO |
---|
805 | END DO |
---|
806 | END DO |
---|
807 | |
---|
808 | ! Lateral boundary conditions on the slopes |
---|
809 | CALL lbc_lnk( uslp , 'U', -1. ) |
---|
810 | CALL lbc_lnk( vslp , 'V', -1. ) |
---|
811 | CALL lbc_lnk( wslpi, 'W', -1. ) |
---|
812 | CALL lbc_lnk( wslpj, 'W', -1. ) |
---|
813 | ENDIF |
---|
814 | |
---|
815 | END SUBROUTINE ldf_slp_init |
---|
816 | |
---|
817 | #else |
---|
818 | !!------------------------------------------------------------------------ |
---|
819 | !! Dummy module : NO Rotation of lateral mixing tensor |
---|
820 | !!------------------------------------------------------------------------ |
---|
821 | LOGICAL, PUBLIC, PARAMETER :: lk_ldfslp = .FALSE. !: slopes flag |
---|
822 | CONTAINS |
---|
823 | SUBROUTINE ldf_slp( kt, prd, pn2 ) ! Dummy routine |
---|
824 | INTEGER, INTENT(in) :: kt |
---|
825 | REAL,DIMENSION(:,:,:), INTENT(in) :: prd, pn2 |
---|
826 | WRITE(*,*) 'ldf_slp: You should not have seen this print! error?', kt, prd(1,1,1), pn2(1,1,1) |
---|
827 | END SUBROUTINE ldf_slp |
---|
828 | #endif |
---|
829 | |
---|
830 | !!====================================================================== |
---|
831 | END MODULE ldfslp |
---|