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_enstrophy: enstrophy conserving scheme (ln_dynvor_ens=T) |
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10 | !! dyn_vor_energy : energy conserving scheme (ln_dynvor_ene=T) |
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11 | !! dyn_vor_mixed : mixed enstrophy/energy conserving (ln_dynvor_mix=T) |
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12 | !! dyn_vor_ene_ens : energy and enstrophy conserving (ln_dynvor_een=T) |
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13 | !! dyn_vor_ctl : control of the different vorticity option |
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14 | !!---------------------------------------------------------------------- |
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15 | !! * Modules used |
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16 | USE oce ! ocean dynamics and tracers |
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17 | USE dom_oce ! ocean space and time domain |
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18 | USE in_out_manager ! I/O manager |
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19 | USE trddyn_oce ! ocean momentum trends |
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20 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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21 | |
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22 | IMPLICIT NONE |
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23 | PRIVATE |
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24 | |
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25 | !! * Routine accessibility |
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26 | PUBLIC dyn_vor_enstrophy ! routine called by step.F90 |
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27 | PUBLIC dyn_vor_energy ! routine called by step.F90 |
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28 | PUBLIC dyn_vor_mixed ! routine called by step.F90 |
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29 | PUBLIC dyn_vor_ene_ens ! routine called by step.F90 |
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30 | PUBLIC dyn_vor_ctl ! routine called by step.F90 |
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31 | |
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32 | !! * Shared module variables |
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33 | LOGICAL, PUBLIC :: ln_dynvor_ene = .FALSE. !: energy conserving scheme |
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34 | LOGICAL, PUBLIC :: ln_dynvor_ens = .TRUE. !: enstrophy conserving scheme |
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35 | LOGICAL, PUBLIC :: ln_dynvor_mix = .FALSE. !: mixed scheme |
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36 | LOGICAL, PUBLIC :: ln_dynvor_een = .TRUE. !: energy and enstrophy conserving scheme |
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37 | |
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38 | !! * Substitutions |
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39 | # include "domzgr_substitute.h90" |
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40 | # include "vectopt_loop_substitute.h90" |
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41 | !!---------------------------------------------------------------------- |
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42 | !! OPA 9.0 , LODYC-IPSL (2003) |
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43 | !!---------------------------------------------------------------------- |
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44 | |
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45 | CONTAINS |
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46 | |
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47 | SUBROUTINE dyn_vor_energy( kt ) |
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48 | !!---------------------------------------------------------------------- |
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49 | !! *** ROUTINE dyn_vor_energy *** |
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50 | !! |
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51 | !! ** Purpose : Compute the now total vorticity trend and add it to |
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52 | !! the general trend of the momentum equation. |
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53 | !! |
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54 | !! ** Method : Trend evaluated using now fields (centered in time) |
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55 | !! and the Sadourny (1975) flux form formulation : conserves the |
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56 | !! horizontal kinetic energy. |
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57 | !! The trend of the vorticity term is given by: |
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58 | !! * s-coordinate (lk_sco=T), the e3. are inside the derivatives: |
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59 | !! voru = 1/e1u mj-1[ (rotn+f)/e3f mi(e1v*e3v vn) ] |
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60 | !! vorv = 1/e2v mi-1[ (rotn+f)/e3f mj(e2u*e3u un) ] |
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61 | !! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes: |
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62 | !! voru = 1/e1u mj-1[ (rotn+f) mi(e1v vn) ] |
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63 | !! vorv = 1/e2v mi-1[ (rotn+f) mj(e2u un) ] |
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64 | !! Add this trend to the general momentum trend (ua,va): |
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65 | !! (ua,va) = (ua,va) + ( voru , vorv ) |
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66 | !! |
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67 | !! ** Action : - Update (ua,va) with the now vorticity term trend |
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68 | !! - save the trends in (utrd,vtrd) in 2 parts (relative |
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69 | !! and planetary vorticity trends) ('key_trddyn') |
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70 | !! |
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71 | !! References : |
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72 | !! Sadourny, r., 1975, j. atmos. sciences, 32, 680-689. |
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73 | !! History : |
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74 | !! 5.0 ! 91-11 (G. Madec) Original code |
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75 | !! 6.0 ! 96-01 (G. Madec) s-coord, suppress work arrays |
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76 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and module |
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77 | !!---------------------------------------------------------------------- |
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78 | !! * Arguments |
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79 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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80 | |
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81 | !! * Local declarations |
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82 | INTEGER :: ji, jj, jk ! dummy loop indices |
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83 | REAL(wp) :: & |
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84 | zfact2, zua, zva, & ! temporary scalars |
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85 | zx1, zx2, zy1, zy2 ! " " |
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86 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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87 | zwx, zwy, zwz ! temporary workspace |
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88 | #if defined key_trddyn || defined key_trd_vor |
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89 | REAL(wp) :: & |
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90 | zcu, zcv, zce3 ! " " |
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91 | #endif |
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92 | !!---------------------------------------------------------------------- |
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93 | |
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94 | IF( kt == nit000 ) THEN |
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95 | IF(lwp) WRITE(numout,*) |
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96 | IF(lwp) WRITE(numout,*) 'dyn_vor_energy : vorticity term: energy conserving scheme' |
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97 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~' |
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98 | ENDIF |
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99 | |
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100 | ! Local constant initialization |
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101 | zfact2 = 0.5 * 0.5 |
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102 | |
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103 | ! ! =============== |
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104 | DO jk = 1, jpkm1 ! Horizontal slab |
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105 | ! ! =============== |
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106 | |
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107 | ! Potential vorticity and horizontal fluxes |
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108 | ! ----------------------------------------- |
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109 | IF( lk_sco ) THEN |
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110 | zwz(:,:) = ( rotn(:,:,jk) + ff(:,:) ) / fse3f(:,:,jk) |
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111 | zwx(:,:) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk) |
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112 | zwy(:,:) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk) |
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113 | ELSE |
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114 | zwz(:,:) = rotn(:,:,jk) + ff(:,:) |
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115 | zwx(:,:) = e2u(:,:) * un(:,:,jk) |
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116 | zwy(:,:) = e1v(:,:) * vn(:,:,jk) |
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117 | ENDIF |
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118 | |
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119 | ! Compute and add the vorticity term trend |
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120 | ! ---------------------------------------- |
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121 | DO jj = 2, jpjm1 |
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122 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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123 | zy1 = zwy(ji,jj-1) + zwy(ji+1,jj-1) |
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124 | zy2 = zwy(ji,jj ) + zwy(ji+1,jj ) |
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125 | zx1 = zwx(ji-1,jj) + zwx(ji-1,jj+1) |
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126 | zx2 = zwx(ji ,jj) + zwx(ji ,jj+1) |
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127 | zua = zfact2 / e1u(ji,jj) * ( zwz(ji ,jj-1) * zy1 + zwz(ji,jj) * zy2 ) |
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128 | zva =-zfact2 / e2v(ji,jj) * ( zwz(ji-1,jj ) * zx1 + zwz(ji,jj) * zx2 ) |
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129 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
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130 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
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131 | # if defined key_trddyn || defined key_trd_vor |
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132 | # if defined key_s_coord |
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133 | zce3= ff(ji,jj) / fse3f(ji,jj,jk) |
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134 | zcu = zfact2 / e1u(ji,jj) * ( ff(ji ,jj-1) / fse3f(ji,jj-1,jk) * zy1 + zce3 * zy2 ) |
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135 | zcv =-zfact2 / e2v(ji,jj) * ( ff(ji-1,jj ) / fse3f(ji-1,jj,jk) * zx1 + zce3 * zx2 ) |
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136 | # else |
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137 | zcu = zfact2 / e1u(ji,jj) * ( ff(ji ,jj-1) * zy1 + ff(ji,jj) * zy2 ) |
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138 | zcv =-zfact2 / e2v(ji,jj) * ( ff(ji-1,jj ) * zx1 + ff(ji,jj) * zx2 ) |
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139 | # endif |
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140 | utrd(ji,jj,jk,3) = zua - zcu |
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141 | vtrd(ji,jj,jk,3) = zva - zcv |
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142 | utrd(ji,jj,jk,4) = zcu |
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143 | vtrd(ji,jj,jk,4) = zcv |
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144 | # endif |
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145 | END DO |
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146 | END DO |
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147 | ! ! =============== |
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148 | END DO ! End of slab |
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149 | ! ! =============== |
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150 | |
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151 | IF(l_ctl) THEN ! print sum trends (used for debugging) |
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152 | zua = SUM( ua(2:nictl,2:njctl,1:jpkm1) * umask(2:nictl,2:njctl,1:jpkm1) ) |
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153 | zva = SUM( va(2:nictl,2:njctl,1:jpkm1) * vmask(2:nictl,2:njctl,1:jpkm1) ) |
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154 | WRITE(numout,*) ' vor - Ua: ', zua-u_ctl, ' Va: ', zva-v_ctl |
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155 | u_ctl = zua ; v_ctl = zva |
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156 | ENDIF |
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157 | |
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158 | END SUBROUTINE dyn_vor_energy |
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159 | |
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160 | |
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161 | SUBROUTINE dyn_vor_mixed( kt ) |
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162 | !!---------------------------------------------------------------------- |
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163 | !! *** ROUTINE dyn_vor_mixed *** |
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164 | !! |
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165 | !! ** Purpose : Compute the now total vorticity trend and add it to |
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166 | !! the general trend of the momentum equation. |
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167 | !! |
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168 | !! ** Method : Trend evaluated using now fields (centered in time) |
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169 | !! Mixte formulation : conserves the potential enstrophy of a hori- |
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170 | !! zontally non-divergent flow for (rotzu x uh), the relative vor- |
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171 | !! ticity term and the horizontal kinetic energy for (f x uh), the |
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172 | !! coriolis term. the now trend of the vorticity term is given by: |
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173 | !! * s-coordinate (lk_sco=T), the e3. are inside the derivatives: |
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174 | !! voru = 1/e1u mj-1(rotn/e3f) mj-1[ mi(e1v*e3v vn) ] |
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175 | !! +1/e1u mj-1[ f/e3f mi(e1v*e3v vn) ] |
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176 | !! vorv = 1/e2v mi-1(rotn/e3f) mi-1[ mj(e2u*e3u un) ] |
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177 | !! +1/e2v mi-1[ f/e3f mj(e2u*e3u un) ] |
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178 | !! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes: |
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179 | !! voru = 1/e1u mj-1(rotn) mj-1[ mi(e1v vn) ] |
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180 | !! +1/e1u mj-1[ f mi(e1v vn) ] |
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181 | !! vorv = 1/e2v mi-1(rotn) mi-1[ mj(e2u un) ] |
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182 | !! +1/e2v mi-1[ f mj(e2u un) ] |
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183 | !! Add this now trend to the general momentum trend (ua,va): |
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184 | !! (ua,va) = (ua,va) + ( voru , vorv ) |
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185 | !! |
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186 | !! ** Action : - Update (ua,va) arrays with the now vorticity term trend |
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187 | !! - Save the trends in (utrd,vtrd) in 2 parts (relative |
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188 | !! and planetary vorticity trends) ('key_trddyn') |
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189 | !! |
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190 | !! References : |
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191 | !! Sadourny, r., 1975, j. atmos. sciences, 32, 680-689. |
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192 | !! History : |
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193 | !! 5.0 ! 91-11 (G. Madec) Original code, enstrophy-energy-combined schemes |
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194 | !! 6.0 ! 96-01 (G. Madec) s-coord, suppress work arrays |
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195 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and module |
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196 | !!---------------------------------------------------------------------- |
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197 | !! * Arguments |
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198 | INTEGER, INTENT( in ) :: kt ! ocean timestep index |
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199 | |
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200 | !! * Local declarations |
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201 | INTEGER :: ji, jj, jk ! dummy loop indices |
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202 | REAL(wp) :: & |
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203 | zfact1, zfact2, zua, zva, & ! temporary scalars |
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204 | zcua, zcva, zx1, zx2, zy1, zy2 |
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205 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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206 | zwx, zwy, zwz, zww ! temporary workspace |
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207 | !!---------------------------------------------------------------------- |
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208 | |
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209 | IF( kt == nit000 ) THEN |
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210 | IF(lwp) WRITE(numout,*) |
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211 | IF(lwp) WRITE(numout,*) 'dyn_vor_mixed : vorticity term: mixed energy/enstrophy conserving scheme' |
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212 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~' |
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213 | ENDIF |
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214 | |
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215 | ! Local constant initialization |
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216 | zfact1 = 0.5 * 0.25 |
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217 | zfact2 = 0.5 * 0.5 |
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218 | |
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219 | ! ! =============== |
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220 | DO jk = 1, jpkm1 ! Horizontal slab |
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221 | ! ! =============== |
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222 | |
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223 | ! Relative and planetary potential vorticity and horizontal fluxes |
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224 | ! ---------------------------------------------------------------- |
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225 | IF( lk_sco ) THEN |
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226 | zwz(:,:) = ff (:,:) / fse3f(:,:,jk) |
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227 | zww(:,:) = rotn(:,:,jk) / fse3f(:,:,jk) |
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228 | zwx(:,:) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk) |
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229 | zwy(:,:) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk) |
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230 | ELSE |
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231 | zwz(:,:) = ff(:,:) |
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232 | zww(:,:) = rotn(:,:,jk) |
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233 | zwx(:,:) = e2u(:,:) * un(:,:,jk) |
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234 | zwy(:,:) = e1v(:,:) * vn(:,:,jk) |
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235 | ENDIF |
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236 | |
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237 | ! Compute and add the vorticity term trend |
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238 | ! ---------------------------------------- |
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239 | DO jj = 2, jpjm1 |
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240 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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241 | zy1 = ( zwy(ji,jj-1) + zwy(ji+1,jj-1) ) / e1u(ji,jj) |
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242 | zy2 = ( zwy(ji,jj ) + zwy(ji+1,jj ) ) / e1u(ji,jj) |
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243 | zx1 = ( zwx(ji-1,jj) + zwx(ji-1,jj+1) ) / e2v(ji,jj) |
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244 | zx2 = ( zwx(ji ,jj) + zwx(ji ,jj+1) ) / e2v(ji,jj) |
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245 | ! enstrophy conserving formulation for relative vorticity term |
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246 | zua = zfact1 * ( zww(ji ,jj-1) + zww(ji,jj) ) * ( zy1 + zy2 ) |
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247 | zva =-zfact1 * ( zww(ji-1,jj ) + zww(ji,jj) ) * ( zx1 + zx2 ) |
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248 | ! energy conserving formulation for planetary vorticity term |
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249 | zcua = zfact2 * ( zwz(ji ,jj-1) * zy1 + zwz(ji,jj) * zy2 ) |
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250 | zcva =-zfact2 * ( zwz(ji-1,jj ) * zx1 + zwz(ji,jj) * zx2 ) |
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251 | |
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252 | ua(ji,jj,jk) = ua(ji,jj,jk) + zcua + zua |
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253 | va(ji,jj,jk) = va(ji,jj,jk) + zcva + zva |
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254 | # if defined key_trddyn || defined key_trd_vor |
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255 | utrd(ji,jj,jk,3) = zua |
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256 | vtrd(ji,jj,jk,3) = zva |
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257 | utrd(ji,jj,jk,4) = zcua |
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258 | vtrd(ji,jj,jk,4) = zcva |
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259 | # endif |
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260 | END DO |
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261 | END DO |
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262 | ! ! =============== |
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263 | END DO ! End of slab |
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264 | ! ! =============== |
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265 | |
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266 | IF(l_ctl) THEN ! print sum trends (used for debugging) |
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267 | zua = SUM( ua(2:nictl,2:njctl,1:jpkm1) * umask(2:nictl,2:njctl,1:jpkm1) ) |
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268 | zva = SUM( va(2:nictl,2:njctl,1:jpkm1) * vmask(2:nictl,2:njctl,1:jpkm1) ) |
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269 | WRITE(numout,*) ' vor - Ua: ', zua-u_ctl, ' Va: ', zva-v_ctl |
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270 | u_ctl = zua ; v_ctl = zva |
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271 | ENDIF |
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272 | |
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273 | END SUBROUTINE dyn_vor_mixed |
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274 | |
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275 | |
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276 | SUBROUTINE dyn_vor_enstrophy( kt ) |
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277 | !!---------------------------------------------------------------------- |
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278 | !! *** ROUTINE dyn_vor_enstrophy *** |
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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 | !! and the Sadourny (1975) flux FORM formulation : conserves the |
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285 | !! potential enstrophy of a horizontally non-divergent flow. the |
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286 | !! trend of the vorticity term is given by: |
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287 | !! * s-coordinate (lk_sco=T), the e3. are inside the derivative: |
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288 | !! voru = 1/e1u mj-1[ (rotn+f)/e3f ] mj-1[ mi(e1v*e3v vn) ] |
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289 | !! vorv = 1/e2v mi-1[ (rotn+f)/e3f ] mi-1[ mj(e2u*e3u un) ] |
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290 | !! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes: |
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291 | !! voru = 1/e1u mj-1[ rotn+f ] mj-1[ mi(e1v vn) ] |
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292 | !! vorv = 1/e2v mi-1[ rotn+f ] mi-1[ mj(e2u un) ] |
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293 | !! Add this trend to the general momentum trend (ua,va): |
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294 | !! (ua,va) = (ua,va) + ( voru , vorv ) |
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295 | !! |
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296 | !! ** Action : - Update (ua,va) arrays with the now vorticity term trend |
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297 | !! - Save the trends in (utrd,vtrd) in 2 parts (relative |
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298 | !! and planetary vorticity trends) ('key_trddyn') |
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299 | !! |
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300 | !! References : |
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301 | !! Sadourny, r., 1975, j. atmos. sciences, 32, 680-689. |
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302 | !! History : |
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303 | !! 5.0 ! 91-11 (G. Madec) Original code |
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304 | !! 6.0 ! 96-01 (G. Madec) s-coord, suppress work arrays |
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305 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and module |
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306 | !!---------------------------------------------------------------------- |
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307 | !! * modules used |
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308 | USE oce, ONLY: zwx => ta, & ! use ta as 3D workspace |
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309 | zwy => sa ! use sa as 3D workspace |
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310 | !! * Arguments |
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311 | INTEGER, INTENT( in ) :: kt ! ocean timestep |
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312 | |
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313 | !! * Local declarations |
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314 | INTEGER :: ji, jj, jk ! dummy loop indices |
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315 | REAL(wp) :: & |
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316 | zfact1, zua, zva, zuav, zvau ! temporary scalars |
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317 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
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318 | zwz ! temporary workspace |
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319 | # if defined key_trddyn || defined key_trd_vor |
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320 | REAL(wp) :: & |
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321 | zcu, zcv, zce3 ! temporary scalars |
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322 | # endif |
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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_enstrophy : vorticity term: 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 | |
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334 | ! ! =============== |
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335 | DO jk = 1, jpkm1 ! Horizontal slab |
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336 | ! ! =============== |
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337 | |
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338 | ! Potential vorticity and horizontal fluxes |
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339 | ! ----------------------------------------- |
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340 | IF( lk_sco ) THEN |
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341 | DO jj = 1, jpj ! caution: don't use (:,:) for this loop |
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342 | DO ji = 1, jpi ! it causes optimization problems on NEC in auto-tasking |
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343 | zwz(ji,jj,jk) = ( rotn(ji,jj,jk) + ff(ji,jj) ) / fse3f(ji,jj,jk) |
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344 | zwx(ji,jj,jk) = e2u(ji,jj) * fse3u(ji,jj,jk) * un(ji,jj,jk) |
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345 | zwy(ji,jj,jk) = e1v(ji,jj) * fse3v(ji,jj,jk) * vn(ji,jj,jk) |
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346 | END DO |
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347 | END DO |
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348 | ELSE |
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349 | DO jj = 1, jpj ! caution: don't use (:,:) for this loop |
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350 | DO ji = 1, jpi ! it causes optimization problems on NEC in auto-tasking |
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351 | zwz(ji,jj,jk) = rotn(ji,jj,jk) + ff(ji,jj) |
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352 | zwx(ji,jj,jk) = e2u(ji,jj) * un(ji,jj,jk) |
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353 | zwy(ji,jj,jk) = e1v(ji,jj) * vn(ji,jj,jk) |
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354 | END DO |
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355 | END DO |
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356 | ENDIF |
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357 | |
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358 | |
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359 | ! Compute and add the vorticity term trend |
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360 | ! ---------------------------------------- |
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361 | DO jj = 2, jpjm1 |
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362 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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363 | zuav = zfact1 / e1u(ji,jj) * ( zwy(ji ,jj-1,jk) + zwy(ji+1,jj-1,jk) & |
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364 | + zwy(ji ,jj ,jk) + zwy(ji+1,jj ,jk) ) |
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365 | zvau =-zfact1 / e2v(ji,jj) * ( zwx(ji-1,jj ,jk) + zwx(ji-1,jj+1,jk) & |
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366 | + zwx(ji ,jj ,jk) + zwx(ji ,jj+1,jk) ) |
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367 | |
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368 | zua = zuav * ( zwz(ji ,jj-1,jk) + zwz(ji,jj,jk) ) |
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369 | zva = zvau * ( zwz(ji-1,jj ,jk) + zwz(ji,jj,jk) ) |
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370 | |
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371 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
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372 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
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373 | |
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374 | # if defined key_trddyn || defined key_trd_vor |
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375 | # if defined key_s_coord |
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376 | zce3 = ff(ji,jj) / fse3f(ji,jj,jk) |
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377 | zcu = zuav * ( ff(ji ,jj-1) / fse3f(ji ,jj-1,jk) + zce3 ) |
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378 | zcv = zvau * ( ff(ji-1,jj ) / fse3f(ji-1,jj ,jk) + zce3 ) |
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379 | # else |
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380 | zcu = zuav * ( ff(ji ,jj-1) + ff(ji,jj) ) |
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381 | zcv = zvau * ( ff(ji-1,jj ) + ff(ji,jj) ) |
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382 | # endif |
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383 | |
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384 | # if defined key_trddyn_new |
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385 | utrd(ji,jj,jk,2) = utrd(ji,jj,jk,2) + zua - zcu |
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386 | vtrd(ji,jj,jk,3) = vtrd(ji,jj,jk,3) + zva - zcv |
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387 | # else |
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388 | utrd(ji,jj,jk,3) = zua - zcu |
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389 | vtrd(ji,jj,jk,3) = zva - zcv |
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390 | # endif |
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391 | utrd(ji,jj,jk,4) = zcu |
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392 | vtrd(ji,jj,jk,4) = zcv |
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393 | # endif |
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394 | END DO |
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395 | END DO |
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396 | ! ! =============== |
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397 | END DO ! End of slab |
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398 | ! ! =============== |
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399 | |
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400 | IF(l_ctl) THEN ! print sum trends (used for debugging) |
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401 | zua = SUM( ua(2:nictl,2:njctl,1:jpkm1) * umask(2:nictl,2:njctl,1:jpkm1) ) |
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402 | zva = SUM( va(2:nictl,2:njctl,1:jpkm1) * vmask(2:nictl,2:njctl,1:jpkm1) ) |
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403 | WRITE(numout,*) ' vor - Ua: ', zua-u_ctl, ' Va: ', zva-v_ctl |
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404 | u_ctl = zua ; v_ctl = zva |
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405 | ENDIF |
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406 | |
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407 | END SUBROUTINE dyn_vor_enstrophy |
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408 | |
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409 | |
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410 | SUBROUTINE dyn_vor_ene_ens( kt ) |
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411 | !!---------------------------------------------------------------------- |
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412 | !! *** ROUTINE dyn_vor_ene_ens *** |
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413 | !! |
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414 | !! ** Purpose : Compute the now total vorticity trend and add it to |
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415 | !! the general trend of the momentum equation. |
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416 | !! |
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417 | !! ** Method : Trend evaluated using now fields (centered in time) |
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418 | !! and the Arakawa and Lamb (19XX) flux form formulation : conserves |
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419 | !! both the horizontal kinetic energy and the potential enstrophy |
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420 | !! when horizontal divergence is zero. |
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421 | !! The trend of the vorticity term is given by: |
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422 | !! * s-coordinate (lk_sco=T), the e3. are inside the derivatives: |
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423 | !! * z-coordinate (default key), e3t=e3u=e3v, the trend becomes: |
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424 | !! Add this trend to the general momentum trend (ua,va): |
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425 | !! (ua,va) = (ua,va) + ( voru , vorv ) |
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426 | !! |
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427 | !! ** Action : - Update (ua,va) with the now vorticity term trend |
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428 | !! - save the trends in (utrd,vtrd) in 2 parts (relative |
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429 | !! and planetary vorticity trends) ('key_trddyn') |
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430 | !! |
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431 | !! References : |
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432 | !! Arakawa and Lamb 19XX, ??? |
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433 | !! History : |
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434 | !! 5.0 ! 04-02 (G. Madec) Original code |
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435 | !!---------------------------------------------------------------------- |
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436 | !! * Arguments |
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437 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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438 | |
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439 | !! * Local declarations |
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440 | INTEGER :: ji, jj, jk ! dummy loop indices |
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441 | REAL(wp) :: & |
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442 | zfac12, zua, zva ! temporary scalars |
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443 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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444 | zwx, zwy, zwz, & ! temporary workspace |
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445 | ztnw, ztne, ztsw, ztse ! " " |
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446 | #if defined key_trddyn || defined key_trd_vor |
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447 | REAL(wp) :: & |
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448 | zcu, zcv ! " " |
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449 | REAL(wp), DIMENSION(jpi,jpj) :: & |
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450 | zcor ! potential planetary vorticity (f/e3) |
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451 | #endif |
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452 | REAL(wp), DIMENSION(jpi,jpj,jpk), SAVE :: & |
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453 | ze3f |
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454 | !!---------------------------------------------------------------------- |
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455 | |
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456 | IF( kt == nit000 ) THEN |
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457 | IF(lwp) WRITE(numout,*) |
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458 | IF(lwp) WRITE(numout,*) 'dyn_vor_ene_ens : vorticity term: energy and enstrophy conserving scheme' |
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459 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~~' |
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460 | |
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461 | DO jk = 1, jpk |
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462 | DO jj = 1, jpjm1 |
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463 | DO ji = 1, jpim1 |
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464 | 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) & |
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465 | & + fse3t(ji,jj ,jk)*tmask(ji,jj ,jk) + fse3t(ji+1,jj ,jk)*tmask(ji+1,jj ,jk) ) * 0.25 |
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466 | !!! ze3f(ji,jj,jk) = MAX( ze3f(ji,jj,jk) , 1.e-20) |
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467 | IF( ze3f(ji,jj,jk) /= 0.e0 ) ze3f(ji,jj,jk) = 1.e0 / ze3f(ji,jj,jk) |
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468 | END DO |
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469 | END DO |
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470 | END DO |
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471 | CALL lbc_lnk( ze3f, 'F', 1. ) |
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472 | ENDIF |
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473 | |
---|
474 | ! Local constant initialization |
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475 | zfac12 = 1.e0 / 12.e0 |
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476 | |
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477 | ! ! =============== |
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478 | DO jk = 1, jpkm1 ! Horizontal slab |
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479 | ! ! =============== |
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480 | |
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481 | ! Potential vorticity and horizontal fluxes |
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482 | ! ----------------------------------------- |
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483 | !!!bug zwz(:,:) = ( rotn(:,:,jk) + ff(:,:) ) / fse3f(:,:,jk) |
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484 | zwz(:,:) = ( rotn(:,:,jk) + ff(:,:) ) * ze3f(:,:,jk) |
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485 | zwx(:,:) = e2u(:,:) * fse3u(:,:,jk) * un(:,:,jk) |
---|
486 | zwy(:,:) = e1v(:,:) * fse3v(:,:,jk) * vn(:,:,jk) |
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487 | #if defined key_trddyn || defined key_trd_vor |
---|
488 | zcor(:,:) = ff(:,:) * ze3f(:,:,jk) |
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489 | #endif |
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490 | |
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491 | ! Compute and add the vorticity term trend |
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492 | ! ---------------------------------------- |
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493 | jj=2 |
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494 | ztne(1,:) = 0 ; ztnw(1,:) = 0 ; ztse(1,:) = 0 ; ztsw(1,:) = 0 |
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495 | DO ji = 2, jpi |
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496 | ztne(ji,jj) = zwz(ji-1,jj ) + zwz(ji ,jj ) + zwz(ji ,jj-1) |
---|
497 | ztnw(ji,jj) = zwz(ji-1,jj-1) + zwz(ji-1,jj ) + zwz(ji ,jj ) |
---|
498 | ztse(ji,jj) = zwz(ji ,jj ) + zwz(ji ,jj-1) + zwz(ji-1,jj-1) |
---|
499 | ztsw(ji,jj) = zwz(ji ,jj-1) + zwz(ji-1,jj-1) + zwz(ji-1,jj ) |
---|
500 | END DO |
---|
501 | DO jj = 3, jpj |
---|
502 | DO ji = fs_2, jpi ! vector opt. |
---|
503 | ztne(ji,jj) = zwz(ji-1,jj ) + zwz(ji ,jj ) + zwz(ji ,jj-1) |
---|
504 | ztnw(ji,jj) = zwz(ji-1,jj-1) + zwz(ji-1,jj ) + zwz(ji ,jj ) |
---|
505 | ztse(ji,jj) = zwz(ji ,jj ) + zwz(ji ,jj-1) + zwz(ji-1,jj-1) |
---|
506 | ztsw(ji,jj) = zwz(ji ,jj-1) + zwz(ji-1,jj-1) + zwz(ji-1,jj ) |
---|
507 | END DO |
---|
508 | END DO |
---|
509 | |
---|
510 | DO jj = 2, jpjm1 |
---|
511 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
512 | zua = + zfac12 / e1u(ji,jj) * ( ztne(ji,jj ) * zwy(ji ,jj ) + ztnw(ji+1,jj) * zwy(ji+1,jj ) & |
---|
513 | & + ztse(ji,jj ) * zwy(ji ,jj-1) + ztsw(ji+1,jj) * zwy(ji+1,jj-1) ) |
---|
514 | zva = - zfac12 / e2v(ji,jj) * ( ztsw(ji,jj+1) * zwx(ji-1,jj+1) + ztse(ji,jj+1) * zwx(ji ,jj+1) & |
---|
515 | & + ztnw(ji,jj ) * zwx(ji-1,jj ) + ztne(ji,jj ) * zwx(ji ,jj ) ) |
---|
516 | ua(ji,jj,jk) = ua(ji,jj,jk) + zua |
---|
517 | va(ji,jj,jk) = va(ji,jj,jk) + zva |
---|
518 | # if defined key_trddyn || defined key_trd_vor |
---|
519 | zcu = + zfac12 / e1u(ji,jj) * ( zcor(ji,jj ) * zwy(ji ,jj ) + zcor(ji+1,jj) * zwy(ji+1,jj ) & |
---|
520 | & + zcor(ji,jj ) * zwy(ji ,jj-1) + zcor(ji+1,jj) * zwy(ji+1,jj-1) ) |
---|
521 | zcv = - zfac12 / e2v(ji,jj) * ( zcor(ji,jj+1) * zwx(ji-1,jj+1) + zcor(ji,jj+1) * zwx(ji ,jj+1) & |
---|
522 | & + zcor(ji,jj ) * zwx(ji-1,jj ) + zcor(ji,jj ) * zwx(ji ,jj ) ) |
---|
523 | utrd(ji,jj,jk,3) = zua - zcu |
---|
524 | vtrd(ji,jj,jk,3) = zva - zcv |
---|
525 | utrd(ji,jj,jk,4) = zcu |
---|
526 | vtrd(ji,jj,jk,4) = zcv |
---|
527 | # endif |
---|
528 | END DO |
---|
529 | END DO |
---|
530 | ! ! =============== |
---|
531 | END DO ! End of slab |
---|
532 | ! ! =============== |
---|
533 | |
---|
534 | IF(l_ctl) THEN ! print sum trends (used for debugging) |
---|
535 | zua = SUM( ua(2:jpim1,2:jpjm1,1:jpkm1) * umask(2:jpim1,2:jpjm1,1:jpkm1) ) |
---|
536 | zva = SUM( va(2:jpim1,2:jpjm1,1:jpkm1) * vmask(2:jpim1,2:jpjm1,1:jpkm1) ) |
---|
537 | WRITE(numout,*) ' vor een - Ua: ', zua-u_ctl, ' Va: ', zva-v_ctl |
---|
538 | u_ctl = zua ; v_ctl = zva |
---|
539 | ENDIF |
---|
540 | |
---|
541 | END SUBROUTINE dyn_vor_ene_ens |
---|
542 | |
---|
543 | |
---|
544 | SUBROUTINE dyn_vor_ctl |
---|
545 | !!--------------------------------------------------------------------- |
---|
546 | !! *** ROUTINE dyn_vor_ctl *** |
---|
547 | !! |
---|
548 | !! ** Purpose : Control the consistency between cpp options for |
---|
549 | !! tracer advection schemes |
---|
550 | !! |
---|
551 | !! History : |
---|
552 | !! 9.0 ! 03-08 (G. Madec) Original code |
---|
553 | !!---------------------------------------------------------------------- |
---|
554 | !! * Local declarations |
---|
555 | INTEGER :: ioptio = 0 ! temporary integer |
---|
556 | |
---|
557 | NAMELIST/nam_dynvor/ ln_dynvor_ens, ln_dynvor_ene, ln_dynvor_mix, ln_dynvor_een |
---|
558 | !!---------------------------------------------------------------------- |
---|
559 | |
---|
560 | ! Read Namelist nam_dynvor : Vorticity scheme options |
---|
561 | ! ------------------------ |
---|
562 | REWIND ( numnam ) |
---|
563 | READ ( numnam, nam_dynvor ) |
---|
564 | |
---|
565 | ! Control of vorticity scheme options |
---|
566 | ! ----------------------------------- |
---|
567 | ! Control print |
---|
568 | IF(lwp) THEN |
---|
569 | WRITE(numout,*) |
---|
570 | WRITE(numout,*) 'dyn_vor_ctl : vorticity term : read namelist and control the consistency' |
---|
571 | WRITE(numout,*) '~~~~~~~~~~~' |
---|
572 | WRITE(numout,*) ' Namelist nam_dynvor : oice of the vorticity term scheme' |
---|
573 | WRITE(numout,*) ' enstrophy conserving scheme ln_dynvor_ens = ', ln_dynvor_ens |
---|
574 | WRITE(numout,*) ' energy conserving scheme ln_dynvor_ene = ', ln_dynvor_ene |
---|
575 | WRITE(numout,*) ' mixed enstrophy/energy conserving scheme ln_dynvor_mix = ', ln_dynvor_mix |
---|
576 | WRITE(numout,*) ' enstrophy and energy conserving scheme ln_dynvor_een = ', ln_dynvor_een |
---|
577 | ENDIF |
---|
578 | |
---|
579 | IF( ln_dynvor_ens ) THEN |
---|
580 | IF(lwp) WRITE(numout,*) |
---|
581 | IF(lwp) WRITE(numout,*) ' vorticity term : enstrophy conserving scheme' |
---|
582 | ioptio = ioptio + 1 |
---|
583 | ENDIF |
---|
584 | IF( ln_dynvor_ene ) THEN |
---|
585 | IF(lwp) WRITE(numout,*) |
---|
586 | IF(lwp) WRITE(numout,*) ' vorticity term : energy conserving scheme' |
---|
587 | ioptio = ioptio + 1 |
---|
588 | ENDIF |
---|
589 | IF( ln_dynvor_mix ) THEN |
---|
590 | IF(lwp) WRITE(numout,*) |
---|
591 | IF(lwp) WRITE(numout,*) ' vorticity term : mixed enstrophy/energy conserving scheme' |
---|
592 | ioptio = ioptio + 1 |
---|
593 | ENDIF |
---|
594 | IF( ln_dynvor_een ) THEN |
---|
595 | IF(lwp) WRITE(numout,*) |
---|
596 | IF(lwp) WRITE(numout,*) ' vorticity term : energy and enstrophy conserving scheme' |
---|
597 | ioptio = ioptio + 1 |
---|
598 | ENDIF |
---|
599 | IF ( ioptio /= 1 .AND. .NOT. lk_esopa ) THEN |
---|
600 | WRITE(numout,cform_err) |
---|
601 | IF(lwp) WRITE(numout,*) ' use ONE and ONLY one vorticity scheme' |
---|
602 | nstop = nstop + 1 |
---|
603 | ENDIF |
---|
604 | |
---|
605 | END SUBROUTINE dyn_vor_ctl |
---|
606 | |
---|
607 | !!============================================================================== |
---|
608 | END MODULE dynvor |
---|