1 | MODULE trcadv_cen2 |
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2 | !!====================================================================== |
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3 | !! *** MODULE trcadv_cen2 *** |
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4 | !! Ocean passive tracers: horizontal & vertical advective tracer trend |
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5 | !!====================================================================== |
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6 | #if defined key_top |
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7 | !!---------------------------------------------------------------------- |
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8 | !! 'key_top' TOP models |
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9 | !!---------------------------------------------------------------------- |
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10 | !! trc_adv_cen2 : update the tracer trend with the horizontal |
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11 | !! and vertical advection trends using a 2nd order |
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12 | !! centered finite difference scheme |
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13 | !!---------------------------------------------------------------------- |
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14 | USE oce_trc ! ocean dynamics and active tracers variables |
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15 | USE trp_trc ! ocean passive tracers variables |
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16 | USE trcbbl ! advective passive tracers in the BBL |
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17 | USE prtctl_trc |
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18 | USE trdmld_trc |
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19 | USE trdmld_trc_oce ! ocean variables trends |
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20 | |
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21 | IMPLICIT NONE |
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22 | PRIVATE |
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23 | |
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24 | PUBLIC trc_adv_cen2 ! routine called by trcstp.F90 |
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25 | |
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26 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj) :: upsmsk !: mixed upstream/centered scheme near some straits |
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27 | ! ! and in closed seas (orca 2 and 4 configurations) |
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28 | |
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29 | !! * Substitutions |
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30 | # include "top_substitute.h90" |
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31 | !!---------------------------------------------------------------------- |
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32 | !! TOP 1.0 , LOCEAN-IPSL (2005) |
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33 | !! $Id$ |
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34 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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35 | !!---------------------------------------------------------------------- |
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36 | |
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37 | CONTAINS |
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38 | |
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39 | !!---------------------------------------------------------------------- |
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40 | !! Default option : 2nd order centered scheme (k-j-i loop) |
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41 | !!---------------------------------------------------------------------- |
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42 | |
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43 | SUBROUTINE trc_adv_cen2( kt ) |
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44 | !!---------------------------------------------------------------------- |
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45 | !! *** ROUTINE trc_adv_cen2 *** |
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46 | !! |
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47 | !! ** Purpose : Compute the now trend due to the advection of tracers |
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48 | !! and add it to the general trend of passive tracer equations. |
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49 | !! |
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50 | !! ** Method : The advection is evaluated by a second order centered |
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51 | !! scheme using now fields (leap-frog scheme). In specific areas |
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52 | !! (vicinity of major river mouths, some straits, or where tn is |
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53 | !! is approaching the freezing point) it is mixed with an upstream |
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54 | !! scheme for stability reasons. |
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55 | !! Part 0 : compute the upstream / centered flag |
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56 | !! (3D array, zind, defined at T-point (0<zind<1)) |
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57 | !! Part I : horizontal advection |
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58 | !! * centered flux: |
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59 | !! * s-coordinate (ln_sco=T) or |
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60 | !! * z-coordinate with partial steps (ln_zps=T), |
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61 | !! the vertical scale factors e3. are inside the derivatives: |
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62 | !! zcenu = e2u*e3u un mi(tn) |
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63 | !! zcenv = e1v*e3v vn mj(tn) |
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64 | !! * z-coordinate (default key), e3t=e3u=e3v: |
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65 | !! zcenu = e2u un mi(tn) |
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66 | !! zcenv = e1v vn mj(tn) |
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67 | !! * horizontal advective trend (divergence of the fluxes) |
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68 | !! * s-coordinate (ln_sco=T) or |
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69 | !! * z-coordinate with partial steps (ln_zps=T) |
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70 | !! ztra = 1/(e1t*e2t*e3t) { di-1[zwx] + dj-1[zwy] } |
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71 | !! * z-coordinate (default key), e3t=e3u=e3v: |
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72 | !! ztra = 1/(e1t*e2t) { di-1[zwx] + dj-1[zwy] } |
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73 | !! * Add this trend now to the general trend of tracer tra: |
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74 | !! tra = tra + ztra |
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75 | !! * trend diagnostic ('key_trdmld_trc'): the trend is saved |
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76 | !! for diagnostics. The trends saved is expressed as |
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77 | !! Uh.gradh(T) |
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78 | !! |
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79 | !! Part II : vertical advection |
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80 | !! For any tracer the advective trend is computed as follows : |
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81 | !! ztra = 1/e3t dk+1[ zwz ] |
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82 | !! where the vertical advective flux, zwz, is given by : |
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83 | !! zwz = zcofk * zupst + (1-zcofk) * zcent |
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84 | !! with |
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85 | !! zupsv = upstream flux = wn * (trb(k) or trb(k-1) ) [wn>0 or <0] |
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86 | !! zcenu = centered flux = wn * mk(trn) |
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87 | !! The surface boundary condition is : |
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88 | !! variable volume : zero advective flux |
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89 | !! fixed volume ("default option) : wn(:,:,1) * trn(:,:,1) |
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90 | !! Add this trend now to the general trend of tracer tra : |
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91 | !! tra = tra + ztra |
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92 | !! Trend diagnostic ('key_trdmld_trc'): the trend is saved for |
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93 | !! diagnostics. The trends saved is expressed as : |
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94 | !! save trend = w.gradz(T) = ztra - trn divn. |
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95 | !! |
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96 | !! ** Action : - update tra with the now advective tracer trends |
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97 | !! - save the trends in trtrd ('key_trdmld_trc') |
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98 | !! |
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99 | !! History : |
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100 | !! 8.2 ! 01-08 (M-A Filiberti, and M.Levy) trahad+trazad = traadv |
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101 | !! 8.5 ! 02-06 (G. Madec, C. Ethe) F90: Free form and module |
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102 | !!---------------------------------------------------------------------- |
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103 | !! * Modules used |
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104 | USE oce_trc , zwx => ua, & ! use ua as workspace |
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105 | & zwy => va ! use va as workspace |
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106 | #if defined key_trcbbl_adv |
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107 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & ! temporary arrays |
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108 | & zun, zvn, zwn |
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109 | #else |
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110 | USE oce_trc , zun => un, & ! When no bbl, zun == un |
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111 | & zvn => vn, & ! When no bbl, zvn == vn |
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112 | & zwn => wn ! When no bbl, zwn == wn |
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113 | #endif |
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114 | |
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115 | |
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116 | !! * Arguments |
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117 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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118 | |
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119 | !! * Local save |
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120 | REAL(wp), DIMENSION(jpi,jpj), SAVE :: & |
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121 | zbtr2 |
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122 | |
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123 | !! * Local declarations |
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124 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
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125 | REAL(wp) :: & |
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126 | zbtr, ztra, zfui, zfvj, & ! temporary scalars |
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127 | zhw, ze3tr, zcofi, zcofj, & ! " " |
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128 | zupsut, zupsvt, & ! " " |
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129 | zfp_ui, zfp_vj, zfm_ui, zfm_vj, & ! " " |
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130 | zcofk, zupst, zcent, & ! " " |
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131 | zfp_w, zfm_w, & ! " " |
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132 | zcenut, zcenvt ! |
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133 | |
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134 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
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135 | zind ! temporary workspace arrays |
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136 | |
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137 | REAL(wp) :: & |
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138 | ztai, ztaj, & ! temporary scalars |
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139 | zfui1, zfvj1 ! " " |
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140 | |
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141 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: ztrtrd |
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142 | #if defined key_lim3 || defined key_lim2 |
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143 | REAL(wp) :: & |
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144 | ztfreez ! freezing point |
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145 | #endif |
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146 | CHARACTER (len=22) :: charout |
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147 | !!---------------------------------------------------------------------- |
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148 | |
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149 | IF( kt == nittrc000 ) THEN |
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150 | IF(lwp) WRITE(numout,*) |
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151 | IF(lwp) WRITE(numout,*) 'trc_adv_cen2 : 2nd order centered advection scheme' |
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152 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~ Vector optimization case' |
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153 | IF(lwp) WRITE(numout,*) |
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154 | |
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155 | upsmsk(:,:) = 0.e0 ! not upstream by default |
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156 | IF( cp_cfg == "orca" ) CALL ups_orca_set ! set mixed Upstream/centered scheme near some straits |
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157 | ! ! and in closed seas (orca2 and orca4 only) |
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158 | zbtr2(:,:) = 1. / ( e1t(:,:) * e2t(:,:) ) |
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159 | ENDIF |
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160 | |
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161 | IF( l_trdtrc ) ALLOCATE( ztrtrd(jpi,jpj,jpk) ) |
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162 | |
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163 | #if defined key_trcbbl_adv |
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164 | |
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165 | ! Advective bottom boundary layer |
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166 | ! ------------------------------- |
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167 | zun(:,:,:) = un(:,:,:) - u_trc_bbl(:,:,:) |
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168 | zvn(:,:,:) = vn(:,:,:) - v_trc_bbl(:,:,:) |
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169 | zwn(:,:,:) = wn(:,:,:) + w_trc_bbl(:,:,:) |
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170 | #endif |
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171 | |
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172 | ! Upstream / centered scheme indicator |
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173 | ! ------------------------------------ |
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174 | DO jk = 1, jpk |
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175 | DO jj = 1, jpj |
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176 | DO ji = 1, jpi |
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177 | #if defined key_lim3 || defined key_lim2 |
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178 | ztfreez = ( - 0.0575 + 1.710523e-3 * SQRT( sn(ji,jj,1) ) & |
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179 | & - 2.154996e-4 * sn(ji,jj,1) ) * sn(ji,jj,1) |
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180 | |
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181 | zind(ji,jj,jk) = MAX ( & |
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182 | rnfmsk(ji,jj) * rnfmsk_z(jk), & ! near runoff mouths (& closed sea outflows) |
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183 | upsmsk(ji,jj) & ! some of some straits |
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184 | ! ! below ice covered area (if tn < "freezing"+0.1 ) |
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185 | , MAX( 0., SIGN( 1., ztfreez + 0.1 - tn(ji,jj,jk) ) ) * tmask(ji,jj,jk) & |
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186 | & ) |
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187 | |
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188 | #else |
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189 | zind(ji,jj,jk) = MAX ( & |
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190 | rnfmsk(ji,jj) * rnfmsk_z(jk), & ! near runoff mouths (& closed sea outflows) |
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191 | upsmsk(ji,jj) & ! some of some straits |
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192 | & ) |
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193 | #endif |
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194 | END DO |
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195 | END DO |
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196 | END DO |
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197 | |
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198 | |
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199 | |
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200 | DO jn = 1, jptra |
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201 | ! I. Horizontal advective fluxes |
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202 | ! ------------------------------ |
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203 | |
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204 | ! Second order centered tracer flux at u and v-points |
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205 | |
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206 | ! ! =============== |
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207 | DO jk = 1, jpkm1 ! Horizontal slab |
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208 | ! ! =============== |
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209 | DO jj = 1, jpjm1 |
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210 | DO ji = 1, fs_jpim1 ! vector opt. |
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211 | ! upstream indicator |
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212 | zcofi = MAX( zind(ji+1,jj,jk), zind(ji,jj,jk) ) |
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213 | zcofj = MAX( zind(ji,jj+1,jk), zind(ji,jj,jk) ) |
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214 | ! volume fluxes * 1/2 |
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215 | #if ! defined key_zco |
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216 | zfui = 0.5 * e2u(ji,jj) * fse3u(ji,jj,jk) * zun(ji,jj,jk) |
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217 | zfvj = 0.5 * e1v(ji,jj) * fse3v(ji,jj,jk) * zvn(ji,jj,jk) |
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218 | #else |
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219 | zfui = 0.5 * e2u(ji,jj) * zun(ji,jj,jk) |
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220 | zfvj = 0.5 * e1v(ji,jj) * zvn(ji,jj,jk) |
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221 | #endif |
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222 | ! upstream scheme |
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223 | zfp_ui = zfui + ABS( zfui ) |
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224 | zfp_vj = zfvj + ABS( zfvj ) |
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225 | zfm_ui = zfui - ABS( zfui ) |
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226 | zfm_vj = zfvj - ABS( zfvj ) |
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227 | zupsut = zfp_ui * trb(ji,jj,jk,jn) + zfm_ui * trb(ji+1,jj ,jk,jn) |
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228 | zupsvt = zfp_vj * trb(ji,jj,jk,jn) + zfm_vj * trb(ji ,jj+1,jk,jn) |
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229 | ! centered scheme |
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230 | zcenut = zfui * ( trn(ji,jj,jk,jn) + trn(ji+1,jj ,jk,jn) ) |
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231 | zcenvt = zfvj * ( trn(ji,jj,jk,jn) + trn(ji ,jj+1,jk,jn) ) |
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232 | ! mixed centered / upstream scheme |
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233 | zwx(ji,jj,jk) = zcofi * zupsut + (1.-zcofi) * zcenut |
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234 | zwy(ji,jj,jk) = zcofj * zupsvt + (1.-zcofj) * zcenvt |
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235 | END DO |
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236 | END DO |
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237 | |
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238 | |
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239 | ! 2. Tracer flux divergence at t-point added to the general trend |
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240 | ! ------------------------- |
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241 | |
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242 | DO jj = 2, jpjm1 |
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243 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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244 | #if ! defined key_zco |
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245 | zbtr = zbtr2(ji,jj) / fse3t(ji,jj,jk) |
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246 | #else |
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247 | zbtr = zbtr2(ji,jj) |
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248 | #endif |
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249 | ! horizontal advective trends |
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250 | ztra = - zbtr * ( zwx(ji,jj,jk) - zwx(ji-1,jj ,jk) & |
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251 | & + zwy(ji,jj,jk) - zwy(ji ,jj-1,jk) ) |
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252 | |
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253 | ! add it to the general tracer trends |
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254 | tra(ji,jj,jk,jn) = tra(ji,jj,jk,jn) + ztra |
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255 | |
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256 | #if defined key_trc_diatrd |
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257 | ! recompute the trends in i- and j-direction as Uh gradh(T) |
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258 | # if ! defined key_zco |
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259 | zfui = 0.5 * e2u(ji ,jj) * fse3u(ji, jj,jk) * zun(ji, jj,jk) |
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260 | zfui1= 0.5 * e2u(ji-1,jj) * fse3u(ji-1,jj,jk) * zun(ji-1,jj,jk) |
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261 | zfvj = 0.5 * e1v(ji,jj ) * fse3v(ji,jj ,jk) * zvn(ji,jj ,jk) |
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262 | zfvj1= 0.5 * e1v(ji,jj-1) * fse3v(ji,jj-1,jk) * zvn(ji,jj-1,jk) |
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263 | # else |
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264 | zfui = 0.5 * e2u(ji ,jj) * zun(ji, jj,jk) |
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265 | zfui1= 0.5 * e2u(ji-1,jj) * zun(ji-1,jj,jk) |
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266 | zfvj = 0.5 * e1v(ji,jj ) * zvn(ji,jj ,jk) |
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267 | zfvj1= 0.5 * e1v(ji,jj-1) * zvn(ji,jj-1,jk) |
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268 | # endif |
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269 | ztai = - zbtr * ( zfui * ( trn(ji+1,jj ,jk,jn) - trn(ji, jj,jk,jn) ) & |
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270 | & + zfui1 * ( trn(ji, jj, jk,jn) - trn(ji-1,jj,jk,jn) ) ) |
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271 | ztaj = - zbtr * ( zfvj * ( trn(ji ,jj+1,jk,jn) - trn(ji,jj ,jk,jn) ) & |
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272 | & + zfvj1 * ( trn(ji ,jj ,jk,jn) - trn(ji,jj-1,jk,jn) ) ) |
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273 | ! save i- and j- advective trends computed as Uh gradh(T) |
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274 | IF (luttrd(jn)) trtrd(ji,jj,jk,ikeep(jn),1) = ztai |
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275 | IF (luttrd(jn)) trtrd(ji,jj,jk,ikeep(jn),2) = ztaj |
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276 | #endif |
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277 | |
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278 | END DO |
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279 | END DO |
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280 | ! ! =============== |
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281 | END DO ! End of slab |
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282 | ! ! =============== |
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283 | |
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284 | ! 3. Save the horizontal advective trends for diagnostics |
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285 | ! ------------------------------------------------------- |
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286 | TRDTRC_XY : IF( l_trdtrc )THEN |
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287 | |
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288 | ! 3.1) Passive tracer ZONAL advection trends |
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289 | ztrtrd(:,:,:) = 0.e0 |
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290 | |
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291 | DO jk = 1, jpkm1 |
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292 | DO jj = 2, jpjm1 |
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293 | DO ji = fs_2, fs_jpim1 |
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294 | ! recompute the trends in i-direction as Uh gradh(T) |
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295 | # if ! defined key_zco |
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296 | zbtr = zbtr2(ji,jj) / fse3t(ji,jj,jk) |
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297 | zfui = 0.5 * e2u(ji ,jj) * fse3u(ji, jj,jk) * zun(ji, jj,jk) |
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298 | zfui1= 0.5 * e2u(ji-1,jj) * fse3u(ji-1,jj,jk) * zun(ji-1,jj,jk) |
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299 | # else |
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300 | zbtr = zbtr2(ji,jj) |
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301 | zfui = 0.5 * e2u(ji ,jj) * zun(ji, jj,jk) |
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302 | zfui1= 0.5 * e2u(ji-1,jj) * zun(ji-1,jj,jk) |
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303 | # endif |
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304 | ztai = - zbtr * ( zfui * ( trn(ji+1,jj ,jk,jn) - trn(ji, jj,jk,jn) ) & |
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305 | & + zfui1 * ( trn(ji, jj, jk,jn) - trn(ji-1,jj,jk,jn) ) ) |
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306 | |
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307 | ! save i- and j- advective trends computed as Uh gradh(T) |
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308 | ztrtrd(ji,jj,jk) = ztai |
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309 | END DO |
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310 | END DO |
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311 | END DO |
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312 | |
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313 | IF( luttrd(jn) ) CALL trd_mod_trc(ztrtrd, jn, jptrc_trd_xad, kt) ! handle the trend |
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314 | |
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315 | ! 3.2) Passive tracer MERIDIONAL advection trends |
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316 | ztrtrd(:,:,:) = 0.e0 |
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317 | |
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318 | DO jk = 1, jpkm1 |
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319 | DO jj = 2, jpjm1 |
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320 | DO ji = fs_2, fs_jpim1 |
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321 | ! recompute the trends in j-direction as Uh gradh(T) |
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322 | # if ! defined key_zco |
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323 | zbtr = zbtr2(ji,jj) / fse3t(ji,jj,jk) |
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324 | zfvj = 0.5 * e1v(ji,jj ) * fse3v(ji,jj ,jk) * zvn(ji,jj ,jk) |
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325 | zfvj1= 0.5 * e1v(ji,jj-1) * fse3v(ji,jj-1,jk) * zvn(ji,jj-1,jk) |
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326 | # else |
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327 | zbtr = zbtr2(ji,jj) |
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328 | zfvj = 0.5 * e1v(ji,jj ) * zvn(ji,jj ,jk) |
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329 | zfvj1= 0.5 * e1v(ji,jj-1) * zvn(ji,jj-1,jk) |
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330 | # endif |
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331 | ztaj = - zbtr * ( zfvj * ( trn(ji ,jj+1,jk,jn) - trn(ji,jj ,jk,jn) ) & |
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332 | & + zfvj1 * ( trn(ji ,jj ,jk,jn) - trn(ji,jj-1,jk,jn) ) ) |
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333 | |
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334 | ! save i- and j- advective trends computed as Uh gradh(T) |
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335 | ztrtrd(ji,jj,jk) = ztaj |
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336 | END DO |
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337 | END DO |
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338 | END DO |
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339 | |
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340 | IF( luttrd(jn) ) CALL trd_mod_trc(ztrtrd, jn, jptrc_trd_yad, kt) ! handle the trend |
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341 | |
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342 | ENDIF TRDTRC_XY |
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343 | ! ! =========== |
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344 | END DO ! tracer loop |
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345 | ! ! =========== |
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346 | |
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347 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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348 | WRITE(charout, FMT="('centered2 - had')") |
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349 | CALL prt_ctl_trc_info(charout) |
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350 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
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351 | ENDIF |
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352 | |
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353 | ! II. Vertical advection |
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354 | ! ---------------------- |
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355 | DO jn = 1, jptra |
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356 | |
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357 | ! Bottom value : flux set to zero |
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358 | zwx(:,:,jpk) = 0.e0 |
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359 | |
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360 | ! Surface value |
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361 | IF ( lk_vvl ) THEN |
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362 | ! variable volume: flux set to zero |
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363 | zwx(:,:, 1 ) = 0.e0 |
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364 | ELSE |
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365 | ! free surface-constant volume |
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366 | zwx(:,:, 1 ) = zwn(:,:,1) * trn(:,:,1,jn) |
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367 | ENDIF |
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368 | |
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369 | ! 1. Vertical advective fluxes |
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370 | ! ---------------------------- |
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371 | |
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372 | ! Second order centered tracer flux at w-point |
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373 | |
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374 | DO jk = 2, jpk |
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375 | DO jj = 2, jpjm1 |
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376 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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377 | ! upstream indicator |
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378 | zcofk = MAX( zind(ji,jj,jk-1), zind(ji,jj,jk) ) |
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379 | ! velocity * 1/2 |
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380 | zhw = 0.5 * zwn(ji,jj,jk) |
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381 | ! upstream scheme |
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382 | zfp_w = zhw + ABS( zhw ) |
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383 | zfm_w = zhw - ABS( zhw ) |
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384 | zupst = zfp_w * trb(ji,jj,jk,jn) + zfm_w * trb(ji,jj,jk-1,jn) |
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385 | ! centered scheme |
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386 | zcent = zhw * ( trn(ji,jj,jk,jn) + trn(ji,jj,jk-1,jn) ) |
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387 | ! centered scheme |
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388 | zwx(ji,jj,jk) = zcofk * zupst + (1.-zcofk) * zcent |
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389 | END DO |
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390 | END DO |
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391 | END DO |
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392 | |
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393 | |
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394 | ! 2. Tracer flux divergence at t-point added to the general trend |
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395 | ! ------------------------- |
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396 | |
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397 | DO jk = 1, jpkm1 |
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398 | DO jj = 2, jpjm1 |
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399 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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400 | ze3tr = 1. / fse3t(ji,jj,jk) |
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401 | ! vertical advective trends |
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402 | ztra = - ze3tr * ( zwx(ji,jj,jk) - zwx(ji,jj,jk+1) ) |
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403 | ! add it to the general tracer trends |
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404 | tra(ji,jj,jk,jn) = tra(ji,jj,jk,jn) + ztra |
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405 | #if defined key_trc_diatrd |
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406 | ! save the vertical advective trends computed as w gradz(T) |
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407 | IF (luttrd(jn)) trtrd(ji,jj,jk,ikeep(jn),3) = ztra - trn(ji,jj,jk,jn) * hdivn(ji,jj,jk) |
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408 | #endif |
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409 | |
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410 | END DO |
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411 | END DO |
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412 | END DO |
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413 | |
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414 | ! 3. Save the vertical advective trends for diagnostic |
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415 | ! ---------------------------------------------------- |
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416 | |
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417 | TRDTRC_Z : IF( l_trdtrc )THEN |
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418 | ztrtrd(:,:,:) = 0.e0 |
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419 | |
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420 | ! Compute T/S vertical advection trends |
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421 | DO jk = 1, jpkm1 |
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422 | DO jj = 2, jpjm1 |
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423 | DO ji = fs_2, fs_jpim1 |
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424 | ze3tr = 1. / fse3t(ji,jj,jk) |
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425 | ! vertical advective trends |
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426 | ztra = - ze3tr * ( zwx(ji,jj,jk) - zwx(ji,jj,jk+1) ) |
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427 | ! save the vertical advective trends computed as w gradz(T) |
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428 | ztrtrd(ji,jj,jk) = ztra - trn(ji,jj,jk,jn) * hdivn(ji,jj,jk) |
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429 | END DO |
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430 | END DO |
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431 | END DO |
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432 | |
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433 | IF( luttrd(jn) ) CALL trd_mod_trc(ztrtrd, jn, jptrc_trd_zad, kt) ! handle the trend |
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434 | |
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435 | ENDIF TRDTRC_Z |
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436 | ! ! =========== |
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437 | END DO ! tracer loop |
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438 | ! ! =========== |
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439 | |
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440 | IF( l_trdtrc ) DEALLOCATE( ztrtrd ) |
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441 | |
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442 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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443 | WRITE(charout, FMT="('centered - zad')") |
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444 | CALL prt_ctl_trc_info(charout) |
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445 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
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446 | ENDIF |
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447 | |
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448 | END SUBROUTINE trc_adv_cen2 |
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449 | |
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450 | SUBROUTINE ups_orca_set |
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451 | !!---------------------------------------------------------------------- |
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452 | !! *** ROUTINE ups_orca_set *** |
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453 | !! |
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454 | !! ** Purpose : add a portion of upstream scheme in area where the |
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455 | !! centered scheme generates too strong overshoot |
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456 | !! |
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457 | !! ** Method : orca (R4 and R2) confiiguration setting. Set upsmsk |
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458 | !! array to nozero value in some straith. |
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459 | !! |
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460 | !! ** Action : - upsmsk set to 1 at some strait, 0 elsewhere for orca |
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461 | !!---------------------------------------------------------------------- |
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462 | INTEGER :: ii0, ii1, ij0, ij1 ! temporary integers |
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463 | !!---------------------------------------------------------------------- |
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464 | |
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465 | ! mixed upstream/centered scheme near river mouths |
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466 | ! ------------------------------------------------ |
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467 | SELECT CASE ( jp_cfg ) |
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468 | ! ! ======================= |
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469 | CASE ( 4 ) ! ORCA_R4 configuration |
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470 | ! ! ======================= |
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471 | ! ! Gibraltar Strait |
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472 | ii0 = 70 ; ii1 = 71 |
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473 | ij0 = 52 ; ij1 = 53 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.50 |
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474 | ! |
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475 | ! ! ======================= |
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476 | CASE ( 2 ) ! ORCA_R2 configuration |
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477 | ! ! ======================= |
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478 | ! ! Gibraltar Strait |
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479 | ij0 = 102 ; ij1 = 102 |
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480 | ii0 = 138 ; ii1 = 138 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.20 |
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481 | ii0 = 139 ; ii1 = 139 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.40 |
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482 | ii0 = 140 ; ii1 = 140 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.50 |
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483 | ij0 = 101 ; ij1 = 102 |
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484 | ii0 = 141 ; ii1 = 141 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.50 |
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485 | ! ! Bab el Mandeb Strait |
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486 | ij0 = 87 ; ij1 = 88 |
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487 | ii0 = 164 ; ii1 = 164 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.10 |
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488 | ij0 = 88 ; ij1 = 88 |
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489 | ii0 = 163 ; ii1 = 163 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.25 |
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490 | ii0 = 162 ; ii1 = 162 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.40 |
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491 | ii0 = 160 ; ii1 = 161 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.50 |
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492 | ij0 = 89 ; ij1 = 89 |
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493 | ii0 = 158 ; ii1 = 160 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.25 |
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494 | ij0 = 90 ; ij1 = 90 |
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495 | ii0 = 160 ; ii1 = 160 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.25 |
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496 | ! ! Sound Strait |
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497 | ij0 = 116 ; ij1 = 116 |
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498 | ii0 = 145 ; ii1 = 147 ; upsmsk( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.50 |
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499 | ! |
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500 | END SELECT |
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501 | |
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502 | END SUBROUTINE ups_orca_set |
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503 | |
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504 | #else |
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505 | |
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506 | !!---------------------------------------------------------------------- |
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507 | !! Default option Empty module |
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508 | !!---------------------------------------------------------------------- |
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509 | CONTAINS |
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510 | SUBROUTINE trc_adv_cen2( kt ) |
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511 | INTEGER, INTENT(in) :: kt |
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512 | WRITE(*,*) 'trc_adv_cen2: You should not have seen this print! error?', kt |
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513 | END SUBROUTINE trc_adv_cen2 |
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514 | #endif |
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515 | !!====================================================================== |
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516 | END MODULE trcadv_cen2 |
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