1 | MODULE dynvor |
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2 | !!====================================================================== |
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3 | !! *** MODULE dynvor *** |
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4 | !! Ocean dynamics: Update the momentum trend with the relative and |
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5 | !! planetary vorticity trends |
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6 | !!====================================================================== |
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7 | |
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8 | !!---------------------------------------------------------------------- |
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9 | !! dyn_vor : Update the momentum trend with the vorticity trend |
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10 | !! vor_ens : enstrophy conserving scheme (ln_dynvor_ens=T) |
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11 | !! vor_ene : energy conserving scheme (ln_dynvor_ene=T) |
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12 | !! vor_mix : mixed enstrophy/energy conserving (ln_dynvor_mix=T) |
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13 | !! vor_een : energy and enstrophy conserving (ln_dynvor_een=T) |
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14 | !! vor_ctl : control of the different vorticity option |
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15 | !!---------------------------------------------------------------------- |
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16 | !! * Modules used |
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17 | USE oce ! ocean dynamics and tracers |
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18 | USE dom_oce ! ocean space and time domain |
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19 | USE in_out_manager ! I/O manager |
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20 | USE trdmod ! ocean dynamics trends |
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21 | USE trdmod_oce ! ocean variables trends |
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22 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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23 | USE prtctl ! Print control |
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24 | |
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25 | IMPLICIT NONE |
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26 | PRIVATE |
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27 | |
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28 | !! * Routine accessibility |
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29 | PUBLIC dyn_vor ! routine called by step.F90 |
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30 | |
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31 | !! * Shared module variables |
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32 | LOGICAL, PUBLIC :: ln_dynvor_ene = .FALSE. !: energy conserving scheme |
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33 | LOGICAL, PUBLIC :: ln_dynvor_ens = .TRUE. !: enstrophy conserving scheme |
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34 | LOGICAL, PUBLIC :: ln_dynvor_mix = .FALSE. !: mixed scheme |
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35 | LOGICAL, PUBLIC :: ln_dynvor_een = .FALSE. !: energy and enstrophy conserving scheme |
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36 | |
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37 | !! * module variables |
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38 | INTEGER :: & |
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39 | nvor = 0 ! type of vorticity trend used |
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40 | |
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41 | !! * Substitutions |
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42 | # include "domzgr_substitute.h90" |
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43 | # include "vectopt_loop_substitute.h90" |
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44 | !!---------------------------------------------------------------------- |
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45 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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46 | !!---------------------------------------------------------------------- |
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47 | |
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48 | CONTAINS |
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49 | |
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50 | SUBROUTINE dyn_vor( kt ) |
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51 | !!---------------------------------------------------------------------- |
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52 | !! |
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53 | !! ** Purpose : compute the lateral ocean tracer physics. |
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54 | !! |
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55 | !! ** Action : - Update (ua,va) with the now vorticity term trend |
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56 | !! - save the trends in (utrd,vtrd) in 2 parts (relative |
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57 | !! and planetary vorticity trends) ('key_trddyn') |
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58 | !! |
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59 | !! History : |
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60 | !! 9.0 ! 05-11 (G. Madec) Original code |
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61 | !!---------------------------------------------------------------------- |
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62 | USE oce, ONLY : ztrdu => ta, & ! use ta as 3D workspace |
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63 | ztrdv => sa ! use sa as 3D workspace |
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64 | |
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65 | !! * Arguments |
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66 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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67 | !!---------------------------------------------------------------------- |
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68 | |
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69 | IF( kt == nit000 ) CALL vor_ctl ! initialisation & control of options |
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70 | |
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71 | ! ! vorticity term including Coriolis |
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72 | SELECT CASE ( nvor ) ! compute the vorticity trend and add it to the general trend |
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73 | |
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74 | CASE ( -1 ) ! esopa: test all possibility with control print |
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75 | CALL vor_ene( kt, 'TOT', ua, va ) |
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76 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' vor0 - Ua: ', mask1=umask, & |
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77 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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78 | CALL vor_ens( kt, 'TOT', ua, va ) |
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79 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' vor1 - Ua: ', mask1=umask, & |
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80 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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81 | CALL vor_mix( kt ) |
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82 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' vor2 - Ua: ', mask1=umask, & |
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83 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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84 | CALL vor_een( kt, 'TOT', ua, va ) |
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85 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' vor3 - Ua: ', mask1=umask, & |
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86 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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87 | |
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88 | CASE ( 0 ) ! energy conserving scheme |
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89 | IF( l_trddyn ) THEN |
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90 | ztrdu(:,:,:) = ua(:,:,:) |
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91 | ztrdv(:,:,:) = va(:,:,:) |
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92 | CALL vor_ene( kt, 'VOR', ua, va ) ! relative vorticity trend |
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93 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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94 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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95 | CALL trd_mod( ztrdu, ztrdv, jpdtdrvo, 'DYN', kt ) |
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96 | ztrdu(:,:,:) = ua(:,:,:) |
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97 | ztrdv(:,:,:) = va(:,:,:) |
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98 | CALL vor_ene( kt, 'COR', ua, va ) ! planetary vorticity trend |
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99 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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100 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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101 | CALL trd_mod( ztrdu, ztrdu, jpdtdpvo, 'DYN', kt ) |
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102 | CALL trd_mod( ztrdu, ztrdv, jpdtddat, 'DYN', kt ) |
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103 | ELSE |
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104 | CALL vor_ene( kt, 'TOT', ua, va ) ! total vorticity |
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105 | ENDIF |
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106 | |
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107 | CASE ( 1 ) ! enstrophy conserving scheme |
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108 | IF( l_trddyn ) THEN |
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109 | ztrdu(:,:,:) = ua(:,:,:) |
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110 | ztrdv(:,:,:) = va(:,:,:) |
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111 | CALL vor_ens( kt, 'VOR', ua, va ) ! relative vorticity trend |
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112 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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113 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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114 | CALL trd_mod( ztrdu, ztrdv, jpdtdrvo, 'DYN', kt ) |
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115 | ztrdu(:,:,:) = ua(:,:,:) |
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116 | ztrdv(:,:,:) = va(:,:,:) |
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117 | CALL vor_ens( kt, 'COR', ua, va ) ! planetary vorticity trend |
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118 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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119 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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120 | CALL trd_mod( ztrdu, ztrdu, jpdtdpvo, 'DYN', kt ) |
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121 | CALL trd_mod( ztrdu, ztrdv, jpdtddat, 'DYN', kt ) |
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122 | ELSE |
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123 | CALL vor_ens( kt, 'TOT', ua, va ) ! total vorticity |
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124 | ENDIF |
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125 | |
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126 | CASE ( 2 ) ! mixed ene-ens scheme |
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127 | IF( l_trddyn ) THEN |
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128 | ztrdu(:,:,:) = ua(:,:,:) |
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129 | ztrdv(:,:,:) = va(:,:,:) |
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130 | CALL vor_ens( kt, 'VOR', ua, va ) ! relative vorticity trend (ens) |
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131 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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132 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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133 | CALL trd_mod( ztrdu, ztrdv, jpdtdrvo, 'DYN', kt ) |
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134 | ztrdu(:,:,:) = ua(:,:,:) |
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135 | ztrdv(:,:,:) = va(:,:,:) |
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136 | CALL vor_ene( kt, 'COR', ua, va ) ! planetary vorticity trend (ene) |
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137 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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138 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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139 | CALL trd_mod( ztrdu, ztrdu, jpdtdpvo, 'DYN', kt ) |
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140 | CALL trd_mod( ztrdu, ztrdv, jpdtddat, 'DYN', kt ) |
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141 | ELSE |
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142 | CALL vor_mix( kt ) ! total vorticity (mix=ens-ene) |
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143 | ENDIF |
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144 | |
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145 | CASE ( 3 ) ! energy and enstrophy conserving scheme |
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146 | IF( l_trddyn ) THEN |
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147 | ztrdu(:,:,:) = ua(:,:,:) |
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148 | ztrdv(:,:,:) = va(:,:,:) |
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149 | CALL vor_een( kt, 'VOR', ua, va ) ! relative vorticity trend |
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150 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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151 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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152 | CALL trd_mod( ztrdu, ztrdv, jpdtdrvo, 'DYN', kt ) |
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153 | ztrdu(:,:,:) = ua(:,:,:) |
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154 | ztrdv(:,:,:) = va(:,:,:) |
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155 | CALL vor_een( kt, 'COR', ua, va ) ! planetary vorticity trend |
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156 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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157 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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158 | CALL trd_mod( ztrdu, ztrdu, jpdtdpvo, 'DYN', kt ) |
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159 | CALL trd_mod( ztrdu, ztrdv, jpdtddat, 'DYN', kt ) |
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160 | ELSE |
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161 | CALL vor_een( kt, 'TOT', ua, va ) ! total vorticity |
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162 | ENDIF |
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163 | |
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164 | END SELECT |
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165 | |
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166 | ! ! print sum trends (used for debugging) |
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167 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' vor - Ua: ', mask1=umask, & |
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168 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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169 | |
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170 | END SUBROUTINE dyn_vor |
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171 | |
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172 | |
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173 | SUBROUTINE vor_ene( kt, cd_vor, pua, pva ) |
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174 | !!---------------------------------------------------------------------- |
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175 | !! *** ROUTINE vor_ene *** |
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176 | !! |
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177 | !! ** Purpose : Compute the now total vorticity trend and add it to |
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178 | !! the general trend of the momentum equation. |
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179 | !! |
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180 | !! ** Method : Trend evaluated using now fields (centered in time) |
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181 | !! and the Sadourny (1975) flux form formulation : conserves the |
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182 | !! horizontal kinetic energy. |
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183 | !! The trend of the vorticity term is given by: |
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184 | !! * s-coordinate (ln_sco=T), the e3. are inside the derivatives: |
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185 | !! voru = 1/e1u mj-1[ (rotn+f)/e3f mi(e1v*e3v vn) ] |
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186 | !! vorv = 1/e2v mi-1[ (rotn+f)/e3f mj(e2u*e3u un) ] |
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187 | !! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes: |
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188 | !! voru = 1/e1u mj-1[ (rotn+f) mi(e1v vn) ] |
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189 | !! vorv = 1/e2v mi-1[ (rotn+f) mj(e2u un) ] |
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190 | !! Add this trend to the general momentum trend (ua,va): |
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191 | !! (ua,va) = (ua,va) + ( voru , vorv ) |
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192 | !! |
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193 | !! ** Action : - Update (ua,va) with the now vorticity term trend |
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194 | !! - save the trends in (utrd,vtrd) in 2 parts (relative |
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195 | !! and planetary vorticity trends) ('key_trddyn') |
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196 | !! |
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197 | !! References : |
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198 | !! Sadourny, r., 1975, j. atmos. sciences, 32, 680-689. |
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199 | !! History : |
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200 | !! 5.0 ! 91-11 (G. Madec) Original code |
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201 | !! 6.0 ! 96-01 (G. Madec) s-coord, suppress work arrays |
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202 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and module |
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203 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
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204 | !!---------------------------------------------------------------------- |
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205 | !! * Arguments |
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206 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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207 | CHARACTER(len=3) , INTENT( in ) :: & |
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208 | cd_vor ! define the vorticity considered |
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209 | ! ! ='COR' (planetary) ; ='VOR' (relative) ; ='TOT' (total) |
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210 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( inout ) :: & |
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211 | pua, pva ! ???? |
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212 | |
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213 | !! * Local declarations |
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214 | INTEGER :: ji, jj, jk ! dummy loop indices |
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215 | REAL(wp) :: & |
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216 | zfact2, & ! temporary scalars |
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217 | zx1, zx2, zy1, zy2 ! " " |
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218 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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219 | zwx, zwy, zwz ! temporary workspace |
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220 | !!---------------------------------------------------------------------- |
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221 | |
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222 | IF( kt == nit000 ) THEN |
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223 | IF(lwp) WRITE(numout,*) |
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224 | IF(lwp) WRITE(numout,*) 'dyn:vor_ene : vorticity term: energy conserving scheme' |
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225 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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226 | ENDIF |
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227 | |
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228 | ! Local constant initialization |
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229 | zfact2 = 0.5 * 0.5 |
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230 | |
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231 | !CDIR PARALLEL DO PRIVATE( zwx, zwy, zwz ) |
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232 | !$OMP PARALLEL DO PRIVATE( zwx, zwy, zwz ) |
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233 | ! ! =============== |
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234 | DO jk = 1, jpkm1 ! Horizontal slab |
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235 | ! ! =============== |
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236 | |
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237 | ! Potential vorticity and horizontal fluxes |
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238 | ! ----------------------------------------- |
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239 | SELECT CASE( cd_vor ) ! vorticity considered |
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240 | CASE ( 'COR' ) ! planetary vorticcity (Coriolis) |
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241 | zwz(:,:) = ff(:,:) |
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242 | CASE ( 'VOR' ) ! relative vorticity |
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243 | zwz(:,:) = rotn(:,:,jk) |
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244 | CASE ( 'TOT' ) ! total vorticity (planetary + relative) |
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245 | zwz(:,:) = rotn(:,:,jk) + ff(:,:) |
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246 | END SELECT |
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247 | |
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248 | IF( ln_sco ) THEN |
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249 | zwz(:,:) = zwz(:,:) / fse3f(:,:,jk) |
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250 | zwx(:,:) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk) |
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251 | zwy(:,:) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk) |
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252 | ELSE |
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253 | zwx(:,:) = e2u(:,:) * un(:,:,jk) |
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254 | zwy(:,:) = e1v(:,:) * vn(:,:,jk) |
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255 | ENDIF |
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256 | |
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257 | ! Compute and add the vorticity term trend |
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258 | ! ---------------------------------------- |
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259 | DO jj = 2, jpjm1 |
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260 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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261 | zy1 = zwy(ji,jj-1) + zwy(ji+1,jj-1) |
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262 | zy2 = zwy(ji,jj ) + zwy(ji+1,jj ) |
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263 | zx1 = zwx(ji-1,jj) + zwx(ji-1,jj+1) |
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264 | zx2 = zwx(ji ,jj) + zwx(ji ,jj+1) |
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265 | pua(ji,jj,jk) = pua(ji,jj,jk) + zfact2 / e1u(ji,jj) * ( zwz(ji ,jj-1) * zy1 + zwz(ji,jj) * zy2 ) |
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266 | pva(ji,jj,jk) = pva(ji,jj,jk) - zfact2 / e2v(ji,jj) * ( zwz(ji-1,jj ) * zx1 + zwz(ji,jj) * zx2 ) |
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267 | END DO |
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268 | END DO |
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269 | ! ! =============== |
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270 | END DO ! End of slab |
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271 | ! ! =============== |
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272 | |
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273 | END SUBROUTINE vor_ene |
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274 | |
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275 | |
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276 | SUBROUTINE vor_mix( kt ) |
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277 | !!---------------------------------------------------------------------- |
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278 | !! *** ROUTINE vor_mix *** |
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279 | !! |
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280 | !! ** Purpose : Compute the now total vorticity trend and add it to |
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281 | !! the general trend of the momentum equation. |
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282 | !! |
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283 | !! ** Method : Trend evaluated using now fields (centered in time) |
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284 | !! Mixte formulation : conserves the potential enstrophy of a hori- |
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285 | !! zontally non-divergent flow for (rotzu x uh), the relative vor- |
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286 | !! ticity term and the horizontal kinetic energy for (f x uh), the |
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287 | !! coriolis term. the now trend of the vorticity term is given by: |
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288 | !! * s-coordinate (ln_sco=T), the e3. are inside the derivatives: |
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289 | !! voru = 1/e1u mj-1(rotn/e3f) mj-1[ mi(e1v*e3v vn) ] |
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290 | !! +1/e1u mj-1[ f/e3f mi(e1v*e3v vn) ] |
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291 | !! vorv = 1/e2v mi-1(rotn/e3f) mi-1[ mj(e2u*e3u un) ] |
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292 | !! +1/e2v mi-1[ f/e3f mj(e2u*e3u un) ] |
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293 | !! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes: |
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294 | !! voru = 1/e1u mj-1(rotn) mj-1[ mi(e1v vn) ] |
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295 | !! +1/e1u mj-1[ f mi(e1v vn) ] |
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296 | !! vorv = 1/e2v mi-1(rotn) mi-1[ mj(e2u un) ] |
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297 | !! +1/e2v mi-1[ f mj(e2u un) ] |
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298 | !! Add this now trend to the general momentum trend (ua,va): |
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299 | !! (ua,va) = (ua,va) + ( voru , vorv ) |
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300 | !! |
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301 | !! ** Action : - Update (ua,va) arrays with the now vorticity term trend |
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302 | !! - Save the trends in (utrd,vtrd) in 2 parts (relative |
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303 | !! and planetary vorticity trends) ('key_trddyn') |
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304 | !! |
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305 | !! References : |
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306 | !! Sadourny, r., 1975, j. atmos. sciences, 32, 680-689. |
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307 | !! History : |
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308 | !! 5.0 ! 91-11 (G. Madec) Original code, enstrophy-energy-combined schemes |
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309 | !! 6.0 ! 96-01 (G. Madec) s-coord, suppress work arrays |
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310 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and module |
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311 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
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312 | !!---------------------------------------------------------------------- |
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313 | !! * Arguments |
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314 | INTEGER, INTENT( in ) :: kt ! ocean timestep index |
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315 | |
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316 | !! * Local declarations |
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317 | INTEGER :: ji, jj, jk ! dummy loop indices |
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318 | REAL(wp) :: & |
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319 | zfact1, zfact2, zua, zva, & ! temporary scalars |
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320 | zcua, zcva, zx1, zx2, zy1, zy2 |
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321 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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322 | zwx, zwy, zwz, zww ! temporary workspace |
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323 | !!---------------------------------------------------------------------- |
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324 | |
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325 | IF( kt == nit000 ) THEN |
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326 | IF(lwp) WRITE(numout,*) |
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327 | IF(lwp) WRITE(numout,*) 'dyn:vor_mix : vorticity term: mixed energy/enstrophy conserving scheme' |
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328 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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329 | ENDIF |
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330 | |
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331 | ! Local constant initialization |
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332 | zfact1 = 0.5 * 0.25 |
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333 | zfact2 = 0.5 * 0.5 |
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334 | |
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335 | !CDIR PARALLEL DO PRIVATE( zwx, zwy, zwz, zww ) |
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336 | !$OMP PARALLEL DO PRIVATE( zwx, zwy, zwz, zww ) |
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337 | ! ! =============== |
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338 | DO jk = 1, jpkm1 ! Horizontal slab |
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339 | ! ! =============== |
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340 | |
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341 | ! Relative and planetary potential vorticity and horizontal fluxes |
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342 | ! ---------------------------------------------------------------- |
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343 | IF( ln_sco ) THEN |
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344 | zwz(:,:) = ff (:,:) / fse3f(:,:,jk) |
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345 | zww(:,:) = rotn(:,:,jk) / fse3f(:,:,jk) |
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346 | zwx(:,:) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk) |
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347 | zwy(:,:) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk) |
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348 | ELSE |
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349 | zwz(:,:) = ff(:,:) |
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350 | zww(:,:) = rotn(:,:,jk) |
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351 | zwx(:,:) = e2u(:,:) * un(:,:,jk) |
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352 | zwy(:,:) = e1v(:,:) * vn(:,:,jk) |
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353 | ENDIF |
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354 | |
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355 | ! Compute and add the vorticity term trend |
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356 | ! ---------------------------------------- |
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357 | DO jj = 2, jpjm1 |
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358 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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359 | zy1 = ( zwy(ji,jj-1) + zwy(ji+1,jj-1) ) / e1u(ji,jj) |
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360 | zy2 = ( zwy(ji,jj ) + zwy(ji+1,jj ) ) / e1u(ji,jj) |
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361 | zx1 = ( zwx(ji-1,jj) + zwx(ji-1,jj+1) ) / e2v(ji,jj) |
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362 | zx2 = ( zwx(ji ,jj) + zwx(ji ,jj+1) ) / e2v(ji,jj) |
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363 | ! enstrophy conserving formulation for relative vorticity term |
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364 | zua = zfact1 * ( zww(ji ,jj-1) + zww(ji,jj) ) * ( zy1 + zy2 ) |
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365 | zva =-zfact1 * ( zww(ji-1,jj ) + zww(ji,jj) ) * ( zx1 + zx2 ) |
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366 | ! energy conserving formulation for planetary vorticity term |
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367 | zcua = zfact2 * ( zwz(ji ,jj-1) * zy1 + zwz(ji,jj) * zy2 ) |
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368 | zcva =-zfact2 * ( zwz(ji-1,jj ) * zx1 + zwz(ji,jj) * zx2 ) |
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369 | |
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370 | ua(ji,jj,jk) = ua(ji,jj,jk) + zcua + zua |
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371 | va(ji,jj,jk) = va(ji,jj,jk) + zcva + zva |
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372 | END DO |
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373 | END DO |
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374 | ! ! =============== |
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375 | END DO ! End of slab |
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376 | ! ! =============== |
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377 | |
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378 | END SUBROUTINE vor_mix |
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379 | |
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380 | |
---|
381 | SUBROUTINE vor_ens( kt, cd_vor, pua, pva ) |
---|
382 | !!---------------------------------------------------------------------- |
---|
383 | !! *** ROUTINE vor_ens *** |
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384 | !! |
---|
385 | !! ** Purpose : Compute the now total vorticity trend and add it to |
---|
386 | !! the general trend of the momentum equation. |
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387 | !! |
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388 | !! ** Method : Trend evaluated using now fields (centered in time) |
---|
389 | !! and the Sadourny (1975) flux FORM formulation : conserves the |
---|
390 | !! potential enstrophy of a horizontally non-divergent flow. the |
---|
391 | !! trend of the vorticity term is given by: |
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392 | !! * s-coordinate (ln_sco=T), the e3. are inside the derivative: |
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393 | !! voru = 1/e1u mj-1[ (rotn+f)/e3f ] mj-1[ mi(e1v*e3v vn) ] |
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394 | !! vorv = 1/e2v mi-1[ (rotn+f)/e3f ] mi-1[ mj(e2u*e3u un) ] |
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395 | !! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes: |
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396 | !! voru = 1/e1u mj-1[ rotn+f ] mj-1[ mi(e1v vn) ] |
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397 | !! vorv = 1/e2v mi-1[ rotn+f ] mi-1[ mj(e2u un) ] |
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398 | !! Add this trend to the general momentum trend (ua,va): |
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399 | !! (ua,va) = (ua,va) + ( voru , vorv ) |
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400 | !! |
---|
401 | !! ** Action : - Update (ua,va) arrays with the now vorticity term trend |
---|
402 | !! - Save the trends in (utrd,vtrd) in 2 parts (relative |
---|
403 | !! and planetary vorticity trends) ('key_trddyn') |
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404 | !! |
---|
405 | !! References : |
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406 | !! Sadourny, r., 1975, j. atmos. sciences, 32, 680-689. |
---|
407 | !! History : |
---|
408 | !! 5.0 ! 91-11 (G. Madec) Original code |
---|
409 | !! 6.0 ! 96-01 (G. Madec) s-coord, suppress work arrays |
---|
410 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and module |
---|
411 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
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412 | !!---------------------------------------------------------------------- |
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413 | !! * Arguments |
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414 | INTEGER, INTENT( in ) :: kt ! ocean timestep |
---|
415 | CHARACTER(len=3) , INTENT( in ) :: & |
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416 | cd_vor ! define the vorticity considered |
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417 | ! ! ='COR' (planetary) ; ='VOR' (relative) ; ='TOT' (total) |
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418 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( inout ) :: & |
---|
419 | pua, pva ! ???? |
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420 | |
---|
421 | !! * Local declarations |
---|
422 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
423 | REAL(wp) :: & |
---|
424 | zfact1, zuav, zvau ! temporary scalars |
---|
425 | REAL(wp), DIMENSION(jpi,jpj) :: & |
---|
426 | zwx, zwy, zwz ! temporary workspace |
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427 | !!---------------------------------------------------------------------- |
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428 | |
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429 | IF( kt == nit000 ) THEN |
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430 | IF(lwp) WRITE(numout,*) |
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431 | IF(lwp) WRITE(numout,*) 'dyn:vor_ens : vorticity term: enstrophy conserving scheme' |
---|
432 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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433 | ENDIF |
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434 | |
---|
435 | ! Local constant initialization |
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436 | zfact1 = 0.5 * 0.25 |
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437 | |
---|
438 | !CDIR PARALLEL DO PRIVATE( zwx, zwy, zwz ) |
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439 | !$OMP PARALLEL DO PRIVATE( zwx, zwy, zwz ) |
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440 | ! ! =============== |
---|
441 | DO jk = 1, jpkm1 ! Horizontal slab |
---|
442 | ! ! =============== |
---|
443 | |
---|
444 | ! Potential vorticity and horizontal fluxes |
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445 | ! ----------------------------------------- |
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446 | SELECT CASE( cd_vor ) ! vorticity considered |
---|
447 | CASE ( 'COR' ) ! planetary vorticcity (Coriolis) |
---|
448 | zwz(:,:) = ff(:,:) |
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449 | CASE ( 'VOR' ) ! relative vorticity |
---|
450 | zwz(:,:) = rotn(:,:,jk) |
---|
451 | CASE ( 'TOT' ) ! total vorticity (planetary + relative) |
---|
452 | zwz(:,:) = rotn(:,:,jk) + ff(:,:) |
---|
453 | END SELECT |
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454 | |
---|
455 | IF( ln_sco ) THEN |
---|
456 | DO jj = 1, jpj ! caution: don't use (:,:) for this loop |
---|
457 | DO ji = 1, jpi ! it causes optimization problems on NEC in auto-tasking |
---|
458 | zwz(ji,jj) = zwz(ji,jj) / fse3f(ji,jj,jk) |
---|
459 | zwx(ji,jj) = e2u(ji,jj) * fse3u(ji,jj,jk) * un(ji,jj,jk) |
---|
460 | zwy(ji,jj) = e1v(ji,jj) * fse3v(ji,jj,jk) * vn(ji,jj,jk) |
---|
461 | END DO |
---|
462 | END DO |
---|
463 | ELSE |
---|
464 | DO jj = 1, jpj ! caution: don't use (:,:) for this loop |
---|
465 | DO ji = 1, jpi ! it causes optimization problems on NEC in auto-tasking |
---|
466 | zwx(ji,jj) = e2u(ji,jj) * un(ji,jj,jk) |
---|
467 | zwy(ji,jj) = e1v(ji,jj) * vn(ji,jj,jk) |
---|
468 | END DO |
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469 | END DO |
---|
470 | ENDIF |
---|
471 | |
---|
472 | |
---|
473 | ! Compute and add the vorticity term trend |
---|
474 | ! ---------------------------------------- |
---|
475 | DO jj = 2, jpjm1 |
---|
476 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
477 | zuav = zfact1 / e1u(ji,jj) * ( zwy(ji ,jj-1) + zwy(ji+1,jj-1) & |
---|
478 | + zwy(ji ,jj ) + zwy(ji+1,jj ) ) |
---|
479 | zvau =-zfact1 / e2v(ji,jj) * ( zwx(ji-1,jj ) + zwx(ji-1,jj+1) & |
---|
480 | + zwx(ji ,jj ) + zwx(ji ,jj+1) ) |
---|
481 | |
---|
482 | pua(ji,jj,jk) = pua(ji,jj,jk) + zuav * ( zwz(ji ,jj-1) + zwz(ji,jj) ) |
---|
483 | pva(ji,jj,jk) = pva(ji,jj,jk) + zvau * ( zwz(ji-1,jj ) + zwz(ji,jj) ) |
---|
484 | END DO |
---|
485 | END DO |
---|
486 | ! ! =============== |
---|
487 | END DO ! End of slab |
---|
488 | ! ! =============== |
---|
489 | |
---|
490 | END SUBROUTINE vor_ens |
---|
491 | |
---|
492 | |
---|
493 | SUBROUTINE vor_een( kt, cd_vor, pua, pva ) |
---|
494 | !!---------------------------------------------------------------------- |
---|
495 | !! *** ROUTINE vor_een *** |
---|
496 | !! |
---|
497 | !! ** Purpose : Compute the now total vorticity trend and add it to |
---|
498 | !! the general trend of the momentum equation. |
---|
499 | !! |
---|
500 | !! ** Method : Trend evaluated using now fields (centered in time) |
---|
501 | !! and the Arakawa and Lamb (19XX) flux form formulation : conserves |
---|
502 | !! both the horizontal kinetic energy and the potential enstrophy |
---|
503 | !! when horizontal divergence is zero. |
---|
504 | !! The trend of the vorticity term is given by: |
---|
505 | !! * s-coordinate (ln_sco=T), the e3. are inside the derivatives: |
---|
506 | !! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes: |
---|
507 | !! Add this trend to the general momentum trend (ua,va): |
---|
508 | !! (ua,va) = (ua,va) + ( voru , vorv ) |
---|
509 | !! |
---|
510 | !! ** Action : - Update (ua,va) with the now vorticity term trend |
---|
511 | !! - save the trends in (utrd,vtrd) in 2 parts (relative |
---|
512 | !! and planetary vorticity trends) ('key_trddyn') |
---|
513 | !! |
---|
514 | !! References : |
---|
515 | !! Arakawa and Lamb 1980, A potential enstrophy and energy conserving |
---|
516 | !! scheme for the Shallow water equations, |
---|
517 | !! Monthly Weather Review, vol. 109, p 18-36 |
---|
518 | !! |
---|
519 | !! History : |
---|
520 | !! 8.5 ! 04-02 (G. Madec) Original code |
---|
521 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
---|
522 | !!---------------------------------------------------------------------- |
---|
523 | !! * Arguments |
---|
524 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
---|
525 | CHARACTER(len=3) , INTENT( in ) :: & |
---|
526 | cd_vor ! define the vorticity considered |
---|
527 | ! ! ='COR' (planetary) ; ='VOR' (relative) ; ='TOT' (total) |
---|
528 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( inout ) :: & |
---|
529 | pua, pva ! ???? |
---|
530 | |
---|
531 | !! * Local declarations |
---|
532 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
533 | REAL(wp) :: & |
---|
534 | zfac12, zua, zva ! temporary scalars |
---|
535 | REAL(wp), DIMENSION(jpi,jpj) :: & |
---|
536 | zwx, zwy, zwz, & ! temporary workspace |
---|
537 | ztnw, ztne, ztsw, ztse ! " " |
---|
538 | REAL(wp), DIMENSION(jpi,jpj,jpk), SAVE :: & |
---|
539 | ze3f |
---|
540 | !!---------------------------------------------------------------------- |
---|
541 | |
---|
542 | IF( kt == nit000 ) THEN |
---|
543 | IF(lwp) WRITE(numout,*) |
---|
544 | IF(lwp) WRITE(numout,*) 'dyn:vor_een : vorticity term: energy and enstrophy conserving scheme' |
---|
545 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
---|
546 | |
---|
547 | DO jk = 1, jpk |
---|
548 | DO jj = 1, jpjm1 |
---|
549 | DO ji = 1, jpim1 |
---|
550 | ze3f(ji,jj,jk) = ( fse3t(ji,jj+1,jk)*tmask(ji,jj+1,jk) + fse3t(ji+1,jj+1,jk)*tmask(ji+1,jj+1,jk) & |
---|
551 | & + fse3t(ji,jj ,jk)*tmask(ji,jj ,jk) + fse3t(ji+1,jj ,jk)*tmask(ji+1,jj ,jk) ) * 0.25 |
---|
552 | IF( ze3f(ji,jj,jk) /= 0.e0 ) ze3f(ji,jj,jk) = 1.e0 / ze3f(ji,jj,jk) |
---|
553 | END DO |
---|
554 | END DO |
---|
555 | END DO |
---|
556 | CALL lbc_lnk( ze3f, 'F', 1. ) |
---|
557 | ENDIF |
---|
558 | |
---|
559 | ! Local constant initialization |
---|
560 | zfac12 = 1.e0 / 12.e0 |
---|
561 | |
---|
562 | |
---|
563 | !CDIR PARALLEL DO PRIVATE( zwx, zwy, zwz, ztnw, ztne, ztsw, ztse ) |
---|
564 | !$OMP PARALLEL DO PRIVATE( zwx, zwy, zwz, ztnw, ztne, ztsw, ztse ) |
---|
565 | ! ! =============== |
---|
566 | DO jk = 1, jpkm1 ! Horizontal slab |
---|
567 | ! ! =============== |
---|
568 | |
---|
569 | ! Potential vorticity and horizontal fluxes |
---|
570 | ! ----------------------------------------- |
---|
571 | SELECT CASE( cd_vor ) ! vorticity considered |
---|
572 | CASE ( 'COR' ) ! planetary vorticcity (Coriolis) |
---|
573 | zwz(:,:) = ff(:,:) * ze3f(:,:,jk) |
---|
574 | CASE ( 'VOR' ) ! relative vorticity |
---|
575 | zwz(:,:) = rotn(:,:,jk) * ze3f(:,:,jk) |
---|
576 | CASE ( 'TOT' ) ! total vorticity (planetary + relative) |
---|
577 | zwz(:,:) = ( rotn(:,:,jk) + ff(:,:) ) * ze3f(:,:,jk) |
---|
578 | END SELECT |
---|
579 | |
---|
580 | zwx(:,:) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk) |
---|
581 | zwy(:,:) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk) |
---|
582 | |
---|
583 | ! Compute and add the vorticity term trend |
---|
584 | ! ---------------------------------------- |
---|
585 | jj=2 |
---|
586 | ztne(1,:) = 0 ; ztnw(1,:) = 0 ; ztse(1,:) = 0 ; ztsw(1,:) = 0 |
---|
587 | DO ji = 2, jpi |
---|
588 | ztne(ji,jj) = zwz(ji-1,jj ) + zwz(ji ,jj ) + zwz(ji ,jj-1) |
---|
589 | ztnw(ji,jj) = zwz(ji-1,jj-1) + zwz(ji-1,jj ) + zwz(ji ,jj ) |
---|
590 | ztse(ji,jj) = zwz(ji ,jj ) + zwz(ji ,jj-1) + zwz(ji-1,jj-1) |
---|
591 | ztsw(ji,jj) = zwz(ji ,jj-1) + zwz(ji-1,jj-1) + zwz(ji-1,jj ) |
---|
592 | END DO |
---|
593 | DO jj = 3, jpj |
---|
594 | DO ji = fs_2, jpi ! vector opt. |
---|
595 | ztne(ji,jj) = zwz(ji-1,jj ) + zwz(ji ,jj ) + zwz(ji ,jj-1) |
---|
596 | ztnw(ji,jj) = zwz(ji-1,jj-1) + zwz(ji-1,jj ) + zwz(ji ,jj ) |
---|
597 | ztse(ji,jj) = zwz(ji ,jj ) + zwz(ji ,jj-1) + zwz(ji-1,jj-1) |
---|
598 | ztsw(ji,jj) = zwz(ji ,jj-1) + zwz(ji-1,jj-1) + zwz(ji-1,jj ) |
---|
599 | END DO |
---|
600 | END DO |
---|
601 | |
---|
602 | DO jj = 2, jpjm1 |
---|
603 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
604 | zua = + zfac12 / e1u(ji,jj) * ( ztne(ji,jj ) * zwy(ji ,jj ) + ztnw(ji+1,jj) * zwy(ji+1,jj ) & |
---|
605 | & + ztse(ji,jj ) * zwy(ji ,jj-1) + ztsw(ji+1,jj) * zwy(ji+1,jj-1) ) |
---|
606 | zva = - zfac12 / e2v(ji,jj) * ( ztsw(ji,jj+1) * zwx(ji-1,jj+1) + ztse(ji,jj+1) * zwx(ji ,jj+1) & |
---|
607 | & + ztnw(ji,jj ) * zwx(ji-1,jj ) + ztne(ji,jj ) * zwx(ji ,jj ) ) |
---|
608 | pua(ji,jj,jk) = pua(ji,jj,jk) + zua |
---|
609 | pva(ji,jj,jk) = pva(ji,jj,jk) + zva |
---|
610 | END DO |
---|
611 | END DO |
---|
612 | ! ! =============== |
---|
613 | END DO ! End of slab |
---|
614 | ! ! =============== |
---|
615 | |
---|
616 | END SUBROUTINE vor_een |
---|
617 | |
---|
618 | |
---|
619 | SUBROUTINE vor_ctl |
---|
620 | !!--------------------------------------------------------------------- |
---|
621 | !! *** ROUTINE vor_ctl *** |
---|
622 | !! |
---|
623 | !! ** Purpose : Control the consistency between cpp options for |
---|
624 | !! tracer advection schemes |
---|
625 | !! |
---|
626 | !! History : |
---|
627 | !! 9.0 ! 03-08 (G. Madec) Original code |
---|
628 | !!---------------------------------------------------------------------- |
---|
629 | !! * Local declarations |
---|
630 | INTEGER :: ioptio ! temporary integer |
---|
631 | |
---|
632 | NAMELIST/nam_dynvor/ ln_dynvor_ens, ln_dynvor_ene, ln_dynvor_mix, ln_dynvor_een |
---|
633 | !!---------------------------------------------------------------------- |
---|
634 | |
---|
635 | ! Read Namelist nam_dynvor : Vorticity scheme options |
---|
636 | ! ------------------------ |
---|
637 | REWIND ( numnam ) |
---|
638 | READ ( numnam, nam_dynvor ) |
---|
639 | |
---|
640 | ! Control of vorticity scheme options |
---|
641 | ! ----------------------------------- |
---|
642 | ! Control print |
---|
643 | IF(lwp) THEN |
---|
644 | WRITE(numout,*) |
---|
645 | WRITE(numout,*) 'dyn:vor_ctl : vorticity term : read namelist and control the consistency' |
---|
646 | WRITE(numout,*) '~~~~~~~~~~~' |
---|
647 | WRITE(numout,*) ' Namelist nam_dynvor : oice of the vorticity term scheme' |
---|
648 | WRITE(numout,*) ' energy conserving scheme ln_dynvor_ene = ', ln_dynvor_ene |
---|
649 | WRITE(numout,*) ' enstrophy conserving scheme ln_dynvor_ens = ', ln_dynvor_ens |
---|
650 | WRITE(numout,*) ' mixed enstrophy/energy conserving scheme ln_dynvor_mix = ', ln_dynvor_mix |
---|
651 | WRITE(numout,*) ' enstrophy and energy conserving scheme ln_dynvor_een = ', ln_dynvor_een |
---|
652 | ENDIF |
---|
653 | |
---|
654 | ioptio = 0 |
---|
655 | IF( ln_dynvor_ene ) THEN |
---|
656 | nvor = 0 |
---|
657 | IF(lwp) WRITE(numout,*) |
---|
658 | IF(lwp) WRITE(numout,*) ' vorticity term : energy conserving scheme' |
---|
659 | ioptio = ioptio + 1 |
---|
660 | ENDIF |
---|
661 | IF( ln_dynvor_ens ) THEN |
---|
662 | nvor = 1 |
---|
663 | IF(lwp) WRITE(numout,*) |
---|
664 | IF(lwp) WRITE(numout,*) ' vorticity term : enstrophy conserving scheme' |
---|
665 | ioptio = ioptio + 1 |
---|
666 | ENDIF |
---|
667 | IF( ln_dynvor_mix ) THEN |
---|
668 | nvor = 2 |
---|
669 | IF(lwp) WRITE(numout,*) |
---|
670 | IF(lwp) WRITE(numout,*) ' vorticity term : mixed enstrophy/energy conserving scheme' |
---|
671 | ioptio = ioptio + 1 |
---|
672 | ENDIF |
---|
673 | IF( ln_dynvor_een ) THEN |
---|
674 | nvor = 3 |
---|
675 | IF(lwp) WRITE(numout,*) |
---|
676 | IF(lwp) WRITE(numout,*) ' vorticity term : energy and enstrophy conserving scheme' |
---|
677 | ioptio = ioptio + 1 |
---|
678 | ENDIF |
---|
679 | IF( ioptio /= 1 .AND. .NOT. lk_esopa ) THEN |
---|
680 | WRITE(numout,cform_err) |
---|
681 | IF(lwp) WRITE(numout,*) ' use ONE and ONLY one vorticity scheme' |
---|
682 | nstop = nstop + 1 |
---|
683 | ENDIF |
---|
684 | IF( lk_esopa ) THEN |
---|
685 | nvor = -1 |
---|
686 | IF(lwp ) WRITE(numout,*) ' esopa test: use all lateral physics options' |
---|
687 | ENDIF |
---|
688 | IF(lwp) WRITE(numout,*) ' choice of vor_... nvor = ', nvor |
---|
689 | |
---|
690 | END SUBROUTINE vor_ctl |
---|
691 | |
---|
692 | !!============================================================================== |
---|
693 | END MODULE dynvor |
---|