1 | MODULE traadv_cen2_tam |
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2 | #if defined key_tam |
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3 | !!====================================================================== |
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4 | !! *** MODULE traadv_cen2_tam *** |
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5 | !! Ocean active tracers: horizontal & vertical advective trend |
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6 | !! Tangent and Adjoint module |
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7 | !!====================================================================== |
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8 | !! History : 8.2 ! 2001-08 (G. Madec, E. Durand) trahad+trazad=traadv |
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9 | !! 1.0 ! 2002-06 (G. Madec) F90: Free form and module |
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10 | !! 9.0 ! 2004-08 (C. Talandier) New trends organization |
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11 | !! - ! 2005-11 (V. Garnier) Surface pressure gradient organization |
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12 | !! 2.0 ! 2006-04 (R. Benshila, G. Madec) Step reorganization |
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13 | !! - ! 2006-07 (G. madec) add ups_orca_set routine |
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14 | !! 3.2 ! 2009-07 (G. Madec) add avmb, avtb in restart for cen2 advection |
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15 | !! History of the T&A module |
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16 | !! 9.0 ! 2008-12 (A. Vidard) original version |
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17 | !! 3.2 ! 2010-04 (F. Vigilant) |
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18 | !! 3.4 ! 2012-07 (P.-A. Bouttier) |
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19 | !!---------------------------------------------------------------------- |
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20 | |
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21 | !!---------------------------------------------------------------------- |
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22 | !! tra_adv_cen2 : update the tracer trend with the horizontal and |
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23 | !! vertical advection trends using a seconder order |
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24 | !! ups_orca_set : allow mixed upstream/centered scheme in specific |
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25 | !! area (set for orca 2 and 4 only) |
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26 | !!---------------------------------------------------------------------- |
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27 | USE par_oce |
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28 | USE oce |
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29 | USE oce_tam |
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30 | USE dom_oce |
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31 | USE trc_oce |
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32 | USE gridrandom |
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33 | USE dotprodfld |
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34 | USE in_out_manager |
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35 | USE zdf_oce |
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36 | USE tstool_tam |
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37 | USE paresp |
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38 | USE lib_mpp |
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39 | USE wrk_nemo |
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40 | use timing |
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41 | |
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42 | IMPLICIT NONE |
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43 | PRIVATE |
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44 | |
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45 | PUBLIC tra_adv_cen2_tan ! routine called by traadv_tam.F90 |
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46 | PUBLIC tra_adv_cen2_adj ! routine called by traadv_tam.F90 |
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47 | PUBLIC tra_adv_cen2_adj_tst! routine called by tst.F90 |
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48 | |
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49 | !! * Substitutions |
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50 | # include "domzgr_substitute.h90" |
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51 | # include "vectopt_loop_substitute.h90" |
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52 | !!---------------------------------------------------------------------- |
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53 | !! NEMO/OPA 3.2 , LOCEAN-IPSL (2009) |
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54 | !! $Id: traadv_cen2.F90 1201 2008-09-24 13:24:21Z rblod $ |
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55 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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56 | !!---------------------------------------------------------------------- |
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57 | |
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58 | CONTAINS |
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59 | |
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60 | SUBROUTINE tra_adv_cen2_tan( kt, kit000, pun, pvn, pwn, ptn, & |
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61 | & pun_tl, pvn_tl, pwn_tl, ptn_tl, pta_tl, kjpt ) |
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62 | !!---------------------------------------------------------------------- |
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63 | !! *** ROUTINE tra_adv_cen2_tan *** |
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64 | !! |
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65 | !! ** Purpose of the direct routine: |
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66 | !! Compute the now trend due to the advection of tracers |
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67 | !! and add it to the general trend of passive tracer equations. |
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68 | !! |
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69 | !! ** Method : The advection is evaluated by a second order centered |
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70 | !! scheme using now fields (leap-frog scheme). In specific areas |
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71 | !! (vicinity of major river mouths, some straits, or where tn is |
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72 | !! approaching the freezing point) it is mixed with an upstream |
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73 | !! scheme for stability reasons. |
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74 | !! Part 0 : compute the upstream / centered flag |
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75 | !! (3D array, zind, defined at T-point (0<zind<1)) |
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76 | !! Part I : horizontal advection |
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77 | !! * centered flux: |
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78 | !! zcenu = e2u*e3u un mi(tn) |
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79 | !! zcenv = e1v*e3v vn mj(tn) |
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80 | !! * upstream flux: |
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81 | !! zupsu = e2u*e3u un (tb(i) or tb(i-1) ) [un>0 or <0] |
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82 | !! zupsv = e1v*e3v vn (tb(j) or tb(j-1) ) [vn>0 or <0] |
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83 | !! * mixed upstream / centered horizontal advection scheme |
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84 | !! zcofi = max(zind(i+1), zind(i)) |
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85 | !! zcofj = max(zind(j+1), zind(j)) |
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86 | !! zwx = zcofi * zupsu + (1-zcofi) * zcenu |
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87 | !! zwy = zcofj * zupsv + (1-zcofj) * zcenv |
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88 | !! * horizontal advective trend (divergence of the fluxes) |
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89 | !! zta = 1/(e1t*e2t*e3t) { di-1[zwx] + dj-1[zwy] } |
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90 | !! * Add this trend now to the general trend of tracer (ta,sa): |
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91 | !! (ta,sa) = (ta,sa) + ( zta , zsa ) |
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92 | !! * trend diagnostic ('key_trdtra' defined): the trend is |
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93 | !! saved for diagnostics. The trends saved is expressed as |
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94 | !! Uh.gradh(T), i.e. |
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95 | !! save trend = zta + tn divn |
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96 | !! In addition, the advective trend in the two horizontal direc- |
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97 | !! tion is also re-computed as Uh gradh(T). Indeed hadt+tn divn is |
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98 | !! equal to (in s-coordinates, and similarly in z-coord.): |
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99 | !! zta+tn*divn=1/(e1t*e2t*e3t) { mi-1( e2u*e3u un di[tn] ) |
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100 | !! +mj-1( e1v*e3v vn mj[tn] ) } |
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101 | !! NB:in z-coordinate - full step (ln_zco=T) e3u=e3v=e3t, so |
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102 | !! they vanish from the expression of the flux and divergence. |
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103 | !! |
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104 | !! Part II : vertical advection |
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105 | !! For temperature (idem for salinity) the advective trend is com- |
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106 | !! puted as follows : |
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107 | !! zta = 1/e3t dk+1[ zwz ] |
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108 | !! where the vertical advective flux, zwz, is given by : |
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109 | !! zwz = zcofk * zupst + (1-zcofk) * zcent |
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110 | !! with |
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111 | !! zupsv = upstream flux = wn * (tb(k) or tb(k-1) ) [wn>0 or <0] |
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112 | !! zcenu = centered flux = wn * mk(tn) |
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113 | !! The surface boundary condition is : |
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114 | !! variable volume (lk_vvl = T) : zero advective flux |
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115 | !! lin. free-surf (lk_vvl = F) : wn(:,:,1) * tn(:,:,1) |
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116 | !! Add this trend now to the general trend of tracer (ta,sa): |
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117 | !! (ta,sa) = (ta,sa) + ( zta , zsa ) |
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118 | !! Trend diagnostic ('key_trdtra' defined): the trend is |
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119 | !! saved for diagnostics. The trends saved is expressed as : |
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120 | !! save trend = w.gradz(T) = zta - tn divn. |
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121 | !! |
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122 | !! ** Action : - update (ta,sa) with the now advective tracer trends |
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123 | !! - save trends in (ztrdt,ztrds) ('key_trdtra') |
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124 | !!---------------------------------------------------------------------- |
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125 | !! |
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126 | INTEGER , INTENT(in) :: kt ! ocean time-step index |
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127 | INTEGER , INTENT(in ) :: kit000 ! first time step index |
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128 | INTEGER , INTENT(in ) :: kjpt ! first time step index |
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129 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pun_tl ! ocean velocity u-component |
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130 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pvn_tl ! ocean velocity v-component |
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131 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pwn_tl ! ocean velocity w-component |
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132 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pun ! ocean velocity u-component |
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133 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pvn ! ocean velocity v-component |
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134 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pwn ! ocean velocity w-component |
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135 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk,kjpt) :: ptn ! ocean velocity v-component |
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136 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk,kjpt) :: ptn_tl, pta_tl ! ocean velocity w-component |
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137 | !! |
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138 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
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139 | REAL(wp) :: zbtr, zhw, zhwtl, & ! temporary scalars |
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140 | & ze3tr, zfui , zfuitl , & ! " " |
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141 | & zfvj , zfvjtl, ztra ! " " |
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142 | REAL(wp) :: zice ! - - |
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143 | REAL(wp), POINTER, DIMENSION(:,:) :: ztfreez ! 2D workspace |
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144 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zwztl ! 3D workspace |
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145 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zwxtl, zwytl ! 3D workspace |
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146 | !!---------------------------------------------------------------------- |
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147 | IF( nn_timing == 1 ) CALL timing_start('tra_adv_cen2_tan') |
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148 | ! |
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149 | CALL wrk_alloc( jpi, jpj, ztfreez ) |
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150 | CALL wrk_alloc( jpi, jpj, jpk, zwztl, zwxtl, zwytl ) |
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151 | ! |
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152 | zwztl = 0._wp ; zwxtl = 0._wp ; zwytl = 0._wp |
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153 | ! |
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154 | IF( kt == kit000 ) THEN |
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155 | IF(lwp) WRITE(numout,*) |
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156 | IF(lwp) WRITE(numout,*) 'tra_adv_cen2_tan : 2nd order centered advection scheme' |
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157 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~ Vector optimization case' |
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158 | IF(lwp) WRITE(numout,*) |
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159 | ! |
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160 | ENDIF |
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161 | ! |
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162 | ! I. Horizontal advection |
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163 | ! ==================== |
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164 | ! |
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165 | DO jn = 1, kjpt |
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166 | DO jk = 1, jpkm1 |
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167 | ! ! Second order centered tracer flux at u- and v-points |
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168 | DO jj = 1, jpjm1 |
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169 | DO ji = 1, fs_jpim1 ! vector opt. |
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170 | ! volume fluxes * 1/2 |
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171 | zfuitl = 0.5 * pun_tl(ji,jj,jk) |
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172 | zfvjtl = 0.5 * pvn_tl(ji,jj,jk) |
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173 | zfui = 0.5 * pun( ji,jj,jk) |
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174 | zfvj = 0.5 * pvn( ji,jj,jk) |
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175 | ! |
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176 | ! centered scheme |
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177 | zwxtl(ji,jj,jk) = zfuitl * ( ptn( ji,jj,jk, jn) + ptn( ji+1,jj ,jk, jn) ) & |
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178 | & + zfui * ( ptn_tl(ji,jj,jk, jn) + ptn_tl(ji+1,jj ,jk, jn) ) |
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179 | zwytl(ji,jj,jk) = zfvjtl * ( ptn( ji,jj,jk, jn) + ptn( ji ,jj+1,jk, jn) ) & |
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180 | & + zfvj * ( ptn_tl(ji,jj,jk, jn) + ptn_tl(ji ,jj+1,jk, jn) ) |
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181 | END DO |
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182 | END DO |
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183 | END DO |
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184 | |
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185 | ! "zonal" mean advective heat and salt transport |
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186 | ! ---------------------------------------------- |
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187 | |
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188 | ! II. Vertical advection |
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189 | ! ================== |
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190 | ! |
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191 | zwztl(:,:,jpk) = 0.0_wp ! Bottom value : flux set to zero |
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192 | |
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193 | IF( lk_vvl ) THEN |
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194 | zwztl(:,:, 1 ) = 0.e0 ! volume variable |
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195 | ELSE |
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196 | zwztl(:,:, 1 ) = pwn(:,:,1) * ptn_tl(:,:,1,jn) & ! linear free surface |
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197 | & + pwn_tl(:,:,1) * ptn(:,:,1,jn) |
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198 | ENDIF |
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199 | ! |
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200 | DO jk = 2, jpk ! Second order centered tracer flux at w-point |
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201 | DO jj = 2, jpjm1 |
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202 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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203 | ! velocity * 1/2 |
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204 | zhwtl = 0.5 * pwn_tl(ji,jj,jk) |
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205 | zhw = 0.5 * pwn( ji,jj,jk) |
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206 | ! centered scheme |
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207 | zwztl(ji,jj,jk) = zhwtl * ( ptn( ji,jj,jk,jn) + ptn( ji,jj,jk-1,jn) ) & |
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208 | & + zhw * ( ptn_tl(ji,jj,jk,jn) + ptn_tl(ji,jj,jk-1,jn) ) |
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209 | END DO |
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210 | END DO |
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211 | END DO |
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212 | ! |
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213 | DO jk = 1, jpkm1 ! divergence of Tracer flux added to the general trend |
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214 | DO jj = 2, jpjm1 |
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215 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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216 | zbtr = 1. / ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) ) |
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217 | ! vertical advective trends |
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218 | ztra = - zbtr * ( zwxtl(ji,jj,jk) - zwxtl(ji-1,jj ,jk ) & |
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219 | & + zwytl(ji,jj,jk) - zwytl(ji ,jj-1,jk ) & |
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220 | & + zwztl(ji,jj,jk) - zwztl(ji ,jj ,jk+1) ) |
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221 | ! advective trends added to the general tracer trends |
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222 | pta_tl(ji,jj,jk,jn) = pta_tl(ji,jj,jk,jn) + ztra |
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223 | END DO |
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224 | END DO |
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225 | END DO |
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226 | END DO |
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227 | ! |
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228 | CALL wrk_dealloc( jpi, jpj, ztfreez ) |
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229 | CALL wrk_dealloc( jpi, jpj, jpk, zwztl, zwxtl, zwytl ) |
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230 | ! |
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231 | IF( nn_timing == 1 ) CALL timing_stop('tra_adv_cen2_tan') |
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232 | ! |
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233 | ! |
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234 | END SUBROUTINE tra_adv_cen2_tan |
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235 | |
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236 | SUBROUTINE tra_adv_cen2_adj( kt, kit000, pun, pvn, pwn, ptn, & |
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237 | & pun_ad, pvn_ad, pwn_ad, ptn_ad, pta_ad, kjpt ) |
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238 | !!---------------------------------------------------------------------- |
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239 | !! *** ROUTINE tra_adv_cen2_adj *** |
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240 | !! |
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241 | !! ** Purpose of the direct routine: |
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242 | !! Compute the now trend due to the advection of tracers |
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243 | !! and add it to the general trend of passive tracer equations. |
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244 | !! |
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245 | !! ** Method : The advection is evaluated by a second order centered |
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246 | !! scheme using now fields (leap-frog scheme). In specific areas |
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247 | !! (vicinity of major river mouths, some straits, or where tn is |
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248 | !! approaching the freezing point) it is mixed with an upstream |
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249 | !! scheme for stability reasons. |
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250 | !! Part 0 : compute the upstream / centered flag |
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251 | !! (3D array, zind, defined at T-point (0<zind<1)) |
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252 | !! Part I : horizontal advection |
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253 | !! * centered flux: |
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254 | !! zcenu = e2u*e3u un mi(tn) |
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255 | !! zcenv = e1v*e3v vn mj(tn) |
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256 | !! * upstream flux: |
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257 | !! zupsu = e2u*e3u un (tb(i) or tb(i-1) ) [un>0 or <0] |
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258 | !! zupsv = e1v*e3v vn (tb(j) or tb(j-1) ) [vn>0 or <0] |
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259 | !! * mixed upstream / centered horizontal advection scheme |
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260 | !! zcofi = max(zind(i+1), zind(i)) |
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261 | !! zcofj = max(zind(j+1), zind(j)) |
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262 | !! zwx = zcofi * zupsu + (1-zcofi) * zcenu |
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263 | !! zwy = zcofj * zupsv + (1-zcofj) * zcenv |
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264 | !! * horizontal advective trend (divergence of the fluxes) |
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265 | !! zta = 1/(e1t*e2t*e3t) { di-1[zwx] + dj-1[zwy] } |
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266 | !! * Add this trend now to the general trend of tracer (ta,sa): |
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267 | !! (ta,sa) = (ta,sa) + ( zta , zsa ) |
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268 | !! * trend diagnostic ('key_trdtra' defined): the trend is |
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269 | !! saved for diagnostics. The trends saved is expressed as |
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270 | !! Uh.gradh(T), i.e. |
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271 | !! save trend = zta + tn divn |
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272 | !! In addition, the advective trend in the two horizontal direc- |
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273 | !! tion is also re-computed as Uh gradh(T). Indeed hadt+tn divn is |
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274 | !! equal to (in s-coordinates, and similarly in z-coord.): |
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275 | !! zta+tn*divn=1/(e1t*e2t*e3t) { mi-1( e2u*e3u un di[tn] ) |
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276 | !! +mj-1( e1v*e3v vn mj[tn] ) } |
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277 | !! NB:in z-coordinate - full step (ln_zco=T) e3u=e3v=e3t, so |
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278 | !! they vanish from the expression of the flux and divergence. |
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279 | !! |
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280 | !! Part II : vertical advection |
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281 | !! For temperature (idem for salinity) the advective trend is com- |
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282 | !! puted as follows : |
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283 | !! zta = 1/e3t dk+1[ zwz ] |
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284 | !! where the vertical advective flux, zwz, is given by : |
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285 | !! zwz = zcofk * zupst + (1-zcofk) * zcent |
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286 | !! with |
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287 | !! zupsv = upstream flux = wn * (tb(k) or tb(k-1) ) [wn>0 or <0] |
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288 | !! zcenu = centered flux = wn * mk(tn) |
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289 | !! The surface boundary condition is : |
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290 | !! rigid-lid (lk_dynspg_frd = T) : zero advective flux |
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291 | !! free-surf (lk_dynspg_fsc = T) : wn(:,:,1) * tn(:,:,1) |
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292 | !! Add this trend now to the general trend of tracer (ta,sa): |
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293 | !! (ta,sa) = (ta,sa) + ( zta , zsa ) |
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294 | !! Trend diagnostic ('key_trdtra' defined): the trend is |
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295 | !! saved for diagnostics. The trends saved is expressed as : |
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296 | !! save trend = w.gradz(T) = zta - tn divn. |
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297 | !! |
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298 | !! ** Action : - update (ta,sa) with the now advective tracer trends |
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299 | !! - save trends in (ztrdt,ztrds) ('key_trdtra') |
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300 | !!---------------------------------------------------------------------- |
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301 | !! |
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302 | INTEGER , INTENT(in) :: kt ! ocean time-step index |
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303 | INTEGER , INTENT(in) :: kit000 |
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304 | INTEGER , INTENT(in) :: kjpt |
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305 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pun_ad ! ocean velocity u-component |
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306 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pvn_ad ! ocean velocity v-component |
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307 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pwn_ad ! ocean velocity w-component |
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308 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pun ! ocean velocity u-component |
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309 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pvn ! ocean velocity v-component |
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310 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pwn ! ocean velocity w-component |
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311 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk,kjpt) :: ptn |
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312 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk,kjpt) :: ptn_ad, pta_ad |
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313 | !! |
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314 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
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315 | REAL(wp) :: zbtr, zhw, zhwad, & ! temporary scalars |
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316 | & ze3tr, zfui , zfuiad , & ! " " |
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317 | & zfvj , zfvjad ! " " |
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318 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zwzad ! 3D workspace |
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319 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zwxad, zwyad ! 3D workspace |
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320 | !!---------------------------------------------------------------------- |
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321 | ! |
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322 | IF( nn_timing == 1 ) CALL timing_start('tra_adv_cen2_adj') |
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323 | ! |
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324 | CALL wrk_alloc( jpi, jpj, jpk, zwzad, zwyad, zwxad ) |
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325 | ! |
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326 | zhwad = 0.0_wp ; zfuiad = 0.0_wp ; zfvjad = 0.0_wp |
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327 | zwxad(:,:,:) = 0.0_wp ; zwyad(:,:,:) = 0.0_wp ; zwzad(:,:,:) = 0.0_wp |
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328 | |
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329 | IF( kt == nitend ) THEN |
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330 | IF(lwp) WRITE(numout,*) |
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331 | IF(lwp) WRITE(numout,*) 'tra_adv_cen2_adj : 2nd order centered advection scheme' |
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332 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~ Vector optimization case' |
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333 | IF(lwp) WRITE(numout,*) |
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334 | ! |
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335 | ENDIF |
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336 | ! II. Vertical advection |
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337 | ! ================== |
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338 | ! |
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339 | DO jn = 1, kjpt |
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340 | DO jk = jpkm1, 1, -1 ! divergence of Tracer flux added to the general trend |
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341 | DO jj = jpjm1, 2, -1 |
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342 | DO ji = fs_jpim1, fs_2, -1 ! vector opt. |
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343 | zbtr = 1. / ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) ) |
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344 | zwxad(ji,jj,jk) = zwxad(ji,jj,jk) - zbtr * pta_ad(ji,jj,jk,jn) |
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345 | zwyad(ji,jj,jk) = zwyad(ji,jj,jk) - zbtr * pta_ad(ji,jj,jk,jn) |
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346 | zwzad(ji,jj,jk) = zwzad(ji,jj,jk) - zbtr * pta_ad(ji,jj,jk,jn) |
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347 | zwxad(ji-1,jj,jk) = zwxad(ji-1,jj,jk) + zbtr * pta_ad(ji,jj,jk,jn) |
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348 | zwyad(ji,jj-1,jk) = zwyad(ji,jj-1,jk) + zbtr * pta_ad(ji,jj,jk,jn) |
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349 | zwzad(ji,jj,jk+1) = zwzad(ji,jj,jk+1) + zbtr * pta_ad(ji,jj,jk,jn) |
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350 | END DO |
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351 | END DO |
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352 | END DO |
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353 | ! |
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354 | DO jk = jpk, 2, -1 ! Second order centered tracer flux at w-point |
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355 | DO jj = jpjm1, 2, -1 |
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356 | DO ji = fs_jpim1, fs_2, -1 ! vector opt. |
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357 | zhw = 0.5 * pwn( ji,jj,jk) |
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358 | ! centered scheme |
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359 | zhwad = zwzad(ji,jj,jk) * ( ptn( ji,jj,jk,jn) + ptn( ji,jj,jk-1,jn) ) |
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360 | ptn_ad(ji,jj,jk,jn) = ptn_ad(ji,jj,jk,jn) + zhw * zwzad(ji,jj,jk) |
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361 | ptn_ad(ji,jj,jk-1,jn) = ptn_ad(ji,jj,jk-1,jn) + zhw * zwzad(ji,jj,jk) |
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362 | zwzad(ji,jj,jk) = 0.0_wp |
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363 | pwn_ad(ji,jj,jk) = pwn_ad(ji,jj,jk) + 0.5 * zhwad |
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364 | zhwad = 0._wp |
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365 | END DO |
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366 | END DO |
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367 | END DO |
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368 | |
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369 | IF( lk_vvl ) THEN ! Surface value : zero in variable volume |
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370 | zwzad(:,:, 1 ) = 0.0_wp |
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371 | ELSE ! : linear free surface case |
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372 | pwn_ad(:,:,1) = pwn_ad(:,:,1) + zwzad(:,:, 1 ) * ptn(:,:,1,jn) |
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373 | ptn_ad(:,:,1,jn) = ptn_ad(:,:,1,jn) + zwzad(:,:, 1 ) * pwn(:,:,1) |
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374 | zwzad(:,:, 1 ) = 0.0_wp |
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375 | ENDIF |
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376 | ! |
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377 | zwzad(:,:,jpk) = 0.0_wp ! Bottom value : flux set to zero |
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378 | ! "zonal" mean advective heat and salt transport |
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379 | ! ---------------------------------------------- |
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380 | ! I. Horizontal advective fluxes |
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381 | ! ==================== |
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382 | ! |
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383 | DO jk = 1, jpkm1 |
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384 | ! ! Second order centered tracer flux at u- and v-points |
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385 | DO jj = jpjm1, 1, -1 |
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386 | DO ji = fs_jpim1, 1, -1 ! vector opt. |
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387 | ! volume fluxes * 1/2 |
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388 | zfui = 0.5 * pun(ji,jj,jk) |
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389 | zfvj = 0.5 * pvn(ji,jj,jk) |
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390 | ! centered scheme |
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391 | zfvjad = zwyad(ji,jj,jk) * ( ptn(ji,jj,jk,jn) + ptn(ji,jj+1,jk,jn) ) |
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392 | zfuiad = zwxad(ji,jj,jk) * ( ptn(ji,jj,jk,jn) + ptn(ji+1,jj,jk,jn) ) |
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393 | ptn_ad(ji ,jj ,jk,jn) = ptn_ad(ji ,jj ,jk,jn) + zwyad(ji,jj,jk) * zfvj |
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394 | ptn_ad(ji ,jj+1,jk,jn) = ptn_ad(ji ,jj+1,jk,jn) + zwyad(ji,jj,jk) * zfvj |
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395 | ptn_ad(ji ,jj ,jk,jn) = ptn_ad(ji ,jj ,jk,jn) + zwxad(ji,jj,jk) * zfui |
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396 | ptn_ad(ji+1,jj ,jk,jn) = ptn_ad(ji+1,jj ,jk,jn) + zwxad(ji,jj,jk) * zfui |
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397 | zwyad(ji ,jj ,jk) = 0.0_wp |
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398 | zwxad(ji ,jj ,jk) = 0.0_wp |
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399 | ! volume fluxes * 1/2 |
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400 | pun_ad(ji,jj,jk) = pun_ad(ji,jj,jk) + 0.5 * zfuiad |
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401 | pvn_ad(ji,jj,jk) = pvn_ad(ji,jj,jk) + 0.5 * zfvjad |
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402 | zfuiad = 0._wp |
---|
403 | zfvjad = 0._wp |
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404 | END DO |
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405 | END DO |
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406 | END DO |
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407 | END DO |
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408 | ! |
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409 | CALL wrk_dealloc( jpi, jpj, jpk, zwzad, zwyad, zwxad ) |
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410 | ! |
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411 | IF( nn_timing == 1 ) CALL timing_stop('tra_adv_cen2_adj') |
---|
412 | ! |
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413 | END SUBROUTINE tra_adv_cen2_adj |
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414 | SUBROUTINE tra_adv_cen2_adj_tst( kumadt ) |
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415 | !!----------------------------------------------------------------------- |
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416 | !! |
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417 | !! *** ROUTINE tra_adv_cen2_adj_tst *** |
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418 | !! |
---|
419 | !! ** Purpose : Test the adjoint routine. |
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420 | !! |
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421 | !! ** Method : Verify the scalar product |
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422 | !! |
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423 | !! ( L dx )^T W dy = dx^T L^T W dy |
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424 | !! |
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425 | !! where L = tangent routine |
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426 | !! L^T = adjoint routine |
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427 | !! W = diagonal matrix of scale factors |
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428 | !! dx = input perturbation (random field) |
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429 | !! dy = L dx |
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430 | !! |
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431 | !! |
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432 | !! History : |
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433 | !! ! 08-08 (A. Vidard) |
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434 | !!----------------------------------------------------------------------- |
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435 | !! * Modules used |
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436 | |
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437 | !! * Arguments |
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438 | INTEGER, INTENT(IN) :: & |
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439 | & kumadt ! Output unit |
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440 | |
---|
441 | !! * Local declarations |
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442 | INTEGER :: & |
---|
443 | & ji, & ! dummy loop indices |
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444 | & jj, & |
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445 | & jk |
---|
446 | INTEGER, DIMENSION(jpi,jpj) :: & |
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447 | & iseed_2d ! 2D seed for the random number generator |
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448 | REAL(KIND=wp) :: & |
---|
449 | & zsp1, & ! scalar product involving the tangent routine |
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450 | & zsp2 ! scalar product involving the adjoint routine |
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451 | REAL(KIND=wp), DIMENSION(:,:,:), ALLOCATABLE :: & |
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452 | & zun_tlin , zvn_tlin , zwn_tlin , ztn_tlin , & ! Tangent input |
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453 | & zsn_tlin , zta_tlin , zsa_tlin , & ! Tangent input |
---|
454 | & zun_adout, zvn_adout, zwn_adout, ztn_adout, & ! Adjoint output |
---|
455 | & zsn_adout, zta_adout, zsa_adout, & ! Adjoint output |
---|
456 | & zta_tlout, zsa_tlout, & ! Tangent output |
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457 | & zta_adin , zsa_adin , & ! Adjoint input |
---|
458 | & zr ! 3D random field |
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459 | CHARACTER(LEN=14) ::& |
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460 | & cl_name |
---|
461 | ! Allocate memory |
---|
462 | |
---|
463 | ALLOCATE( & |
---|
464 | & zun_tlin( jpi,jpj,jpk), zvn_tlin( jpi,jpj,jpk), zwn_tlin( jpi,jpj,jpk), & |
---|
465 | & ztn_tlin( jpi,jpj,jpk), zsn_tlin( jpi,jpj,jpk), zta_tlin( jpi,jpj,jpk), & |
---|
466 | & zsa_tlin( jpi,jpj,jpk), zta_tlout(jpi,jpj,jpk), zsa_tlout(jpi,jpj,jpk), & |
---|
467 | & zta_adin( jpi,jpj,jpk), zsa_adin( jpi,jpj,jpk), zun_adout(jpi,jpj,jpk), & |
---|
468 | & zvn_adout(jpi,jpj,jpk), zwn_adout(jpi,jpj,jpk), ztn_adout(jpi,jpj,jpk), & |
---|
469 | & zsn_adout(jpi,jpj,jpk), zta_adout(jpi,jpj,jpk), zsa_adout(jpi,jpj,jpk), & |
---|
470 | & zr( jpi,jpj,jpk) & |
---|
471 | & ) |
---|
472 | !================================================================== |
---|
473 | ! 1) dx = ( un_tl, vn_tl, hdivn_tl ) and |
---|
474 | ! dy = ( hdivb_tl, hdivn_tl ) |
---|
475 | !================================================================== |
---|
476 | |
---|
477 | !-------------------------------------------------------------------- |
---|
478 | ! Reset the tangent and adjoint variables |
---|
479 | !-------------------------------------------------------------------- |
---|
480 | zun_tlin( :,:,:) = 0.0_wp |
---|
481 | zvn_tlin( :,:,:) = 0.0_wp |
---|
482 | zwn_tlin( :,:,:) = 0.0_wp |
---|
483 | ztn_tlin( :,:,:) = 0.0_wp |
---|
484 | zsn_tlin( :,:,:) = 0.0_wp |
---|
485 | zta_tlin( :,:,:) = 0.0_wp |
---|
486 | zsa_tlin( :,:,:) = 0.0_wp |
---|
487 | zta_tlout(:,:,:) = 0.0_wp |
---|
488 | zsa_tlout(:,:,:) = 0.0_wp |
---|
489 | zta_adin( :,:,:) = 0.0_wp |
---|
490 | zsa_adin( :,:,:) = 0.0_wp |
---|
491 | zun_adout(:,:,:) = 0.0_wp |
---|
492 | zvn_adout(:,:,:) = 0.0_wp |
---|
493 | zwn_adout(:,:,:) = 0.0_wp |
---|
494 | ztn_adout(:,:,:) = 0.0_wp |
---|
495 | zsn_adout(:,:,:) = 0.0_wp |
---|
496 | zta_adout(:,:,:) = 0.0_wp |
---|
497 | zsa_adout(:,:,:) = 0.0_wp |
---|
498 | zr( :,:,:) = 0.0_wp |
---|
499 | |
---|
500 | tsn_ad(:,:,:,jp_tem) = 0.0_wp |
---|
501 | tsn_ad(:,:,:,jp_sal) = 0.0_wp |
---|
502 | |
---|
503 | |
---|
504 | !-------------------------------------------------------------------- |
---|
505 | ! Initialize the tangent input with random noise: dx |
---|
506 | !-------------------------------------------------------------------- |
---|
507 | |
---|
508 | CALL grid_random( zr, 'U', 0.0_wp, stdu ) |
---|
509 | DO jk = 1, jpk |
---|
510 | DO jj = nldj, nlej |
---|
511 | DO ji = nldi, nlei |
---|
512 | zun_tlin(ji,jj,jk) = zr(ji,jj,jk) |
---|
513 | END DO |
---|
514 | END DO |
---|
515 | END DO |
---|
516 | CALL grid_random( zr, 'V', 0.0_wp, stdv ) |
---|
517 | DO jk = 1, jpk |
---|
518 | DO jj = nldj, nlej |
---|
519 | DO ji = nldi, nlei |
---|
520 | zvn_tlin(ji,jj,jk) = zr(ji,jj,jk) |
---|
521 | END DO |
---|
522 | END DO |
---|
523 | END DO |
---|
524 | CALL grid_random( zr, 'W', 0.0_wp, stdw ) |
---|
525 | DO jk = 1, jpk |
---|
526 | DO jj = nldj, nlej |
---|
527 | DO ji = nldi, nlei |
---|
528 | zwn_tlin(ji,jj,jk) = zr(ji,jj,jk) |
---|
529 | END DO |
---|
530 | END DO |
---|
531 | END DO |
---|
532 | CALL grid_random( zr, 'T', 0.0_wp, stdt ) |
---|
533 | DO jk = 1, jpk |
---|
534 | DO jj = nldj, nlej |
---|
535 | DO ji = nldi, nlei |
---|
536 | ztn_tlin(ji,jj,jk) = zr(ji,jj,jk) |
---|
537 | END DO |
---|
538 | END DO |
---|
539 | END DO |
---|
540 | CALL grid_random( zr, 'T', 0.0_wp, stds ) |
---|
541 | DO jk = 1, jpk |
---|
542 | DO jj = nldj, nlej |
---|
543 | DO ji = nldi, nlei |
---|
544 | zsn_tlin(ji,jj,jk) = zr(ji,jj,jk) |
---|
545 | END DO |
---|
546 | END DO |
---|
547 | END DO |
---|
548 | CALL grid_random( zr, 'T', 0.0_wp, stdt ) |
---|
549 | DO jk = 1, jpk |
---|
550 | DO jj = nldj, nlej |
---|
551 | DO ji = nldi, nlei |
---|
552 | zta_tlin(ji,jj,jk) = zr(ji,jj,jk) |
---|
553 | END DO |
---|
554 | END DO |
---|
555 | END DO |
---|
556 | CALL grid_random( zr, 'T', 0.0_wp, stds ) |
---|
557 | DO jk = 1, jpk |
---|
558 | DO jj = nldj, nlej |
---|
559 | DO ji = nldi, nlei |
---|
560 | zsa_tlin(ji,jj,jk) = zr(ji,jj,jk) |
---|
561 | END DO |
---|
562 | END DO |
---|
563 | END DO |
---|
564 | |
---|
565 | tsn_tl(:,:,:,jp_tem) = ztn_tlin(:,:,:) |
---|
566 | tsn_tl(:,:,:,jp_sal) = zsn_tlin(:,:,:) |
---|
567 | tsa_tl(:,:,:,jp_tem) = zta_tlin(:,:,:) |
---|
568 | tsa_tl(:,:,:,jp_sal) = zsa_tlin(:,:,:) |
---|
569 | |
---|
570 | CALL tra_adv_cen2_tan(nit000, nit000, un, vn, wn, tsn, zun_tlin, zvn_tlin, zwn_tlin, tsn_tl, tsa_tl, 2) |
---|
571 | |
---|
572 | zta_tlout(:,:,:) = tsa_tl(:,:,:,jp_tem) |
---|
573 | zsa_tlout(:,:,:) = tsa_tl(:,:,:,jp_sal) |
---|
574 | |
---|
575 | !-------------------------------------------------------------------- |
---|
576 | ! Initialize the adjoint variables: dy^* = W dy |
---|
577 | !-------------------------------------------------------------------- |
---|
578 | |
---|
579 | DO jk = 1, jpk |
---|
580 | DO jj = nldj, nlej |
---|
581 | DO ji = nldi, nlei |
---|
582 | zta_adin(ji,jj,jk) = zta_tlout(ji,jj,jk) & |
---|
583 | & * e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) & |
---|
584 | & * tmask(ji,jj,jk) * wesp_t(jk) |
---|
585 | zsa_adin(ji,jj,jk) = zsa_tlout(ji,jj,jk) & |
---|
586 | & * e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) & |
---|
587 | & * tmask(ji,jj,jk) * wesp_s(jk) |
---|
588 | END DO |
---|
589 | END DO |
---|
590 | END DO |
---|
591 | !-------------------------------------------------------------------- |
---|
592 | ! Compute the scalar product: ( L dx )^T W dy |
---|
593 | !-------------------------------------------------------------------- |
---|
594 | |
---|
595 | zsp1 = DOT_PRODUCT( zsa_tlout, zsa_adin ) & |
---|
596 | & + DOT_PRODUCT( zta_tlout, zta_adin ) |
---|
597 | |
---|
598 | !-------------------------------------------------------------------- |
---|
599 | ! Call the adjoint routine: dx^* = L^T dy^* |
---|
600 | !-------------------------------------------------------------------- |
---|
601 | tsa_ad(:,:,:,jp_tem) = zta_adin(:,:,:) |
---|
602 | tsa_ad(:,:,:,jp_sal) = zsa_adin(:,:,:) |
---|
603 | |
---|
604 | CALL tra_adv_cen2_adj(nit000, nit000, un, vn, wn, tsn, zun_adout, zvn_adout, zwn_adout, tsn_ad, tsa_ad, 2) |
---|
605 | |
---|
606 | ztn_adout(:,:,:) = tsn_ad(:,:,:,jp_tem) |
---|
607 | zsn_adout(:,:,:) = tsn_ad(:,:,:,jp_sal) |
---|
608 | zta_adout(:,:,:) = tsa_ad(:,:,:,jp_tem) |
---|
609 | zsa_adout(:,:,:) = tsa_ad(:,:,:,jp_sal) |
---|
610 | |
---|
611 | zsp2 = DOT_PRODUCT( zun_tlin, zun_adout ) & |
---|
612 | & + DOT_PRODUCT( zvn_tlin, zvn_adout ) & |
---|
613 | & + DOT_PRODUCT( zwn_tlin, zwn_adout ) & |
---|
614 | & + DOT_PRODUCT( ztn_tlin, ztn_adout ) & |
---|
615 | & + DOT_PRODUCT( zsn_tlin, zsn_adout ) & |
---|
616 | & + DOT_PRODUCT( zta_tlin, zta_adout ) & |
---|
617 | & + DOT_PRODUCT( zsa_tlin, zsa_adout ) |
---|
618 | |
---|
619 | ! 14 char:'12345678901234' |
---|
620 | cl_name = 'tra_adv_cen2 ' |
---|
621 | CALL prntst_adj( cl_name, kumadt, zsp1, zsp2 ) |
---|
622 | |
---|
623 | DEALLOCATE( & |
---|
624 | & zun_tlin , zvn_tlin , zwn_tlin , ztn_tlin , zsn_tlin , & |
---|
625 | & zta_tlin , zsa_tlin , zta_tlout, zsa_tlout, zta_adin , & |
---|
626 | & zsa_adin , zun_adout, zvn_adout, zwn_adout, ztn_adout, & |
---|
627 | & zsn_adout, zta_adout, zsa_adout, zr & |
---|
628 | & ) |
---|
629 | |
---|
630 | END SUBROUTINE tra_adv_cen2_adj_tst |
---|
631 | #endif |
---|
632 | !!====================================================================== |
---|
633 | END MODULE traadv_cen2_tam |
---|