1 | MODULE trdtra |
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2 | !!====================================================================== |
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3 | !! *** MODULE trdtra *** |
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4 | !! Ocean diagnostics: ocean tracers trends |
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5 | !!===================================================================== |
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6 | !! History : 9.0 ! 2004-08 (C. Talandier) Original code |
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7 | !! ! 2005-04 (C. Deltel) Add Asselin trend in the ML budget |
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8 | !! NEMO 3.3 ! 2010-06 (C. Ethe) merge TRA-TRC |
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9 | !!---------------------------------------------------------------------- |
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10 | #if defined key_trdtra || defined key_trdmld || defined key_trdmld_trc |
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11 | !!---------------------------------------------------------------------- |
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12 | !! trd_tra : Call the trend to be computed |
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13 | !!---------------------------------------------------------------------- |
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14 | USE dom_oce ! ocean domain |
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15 | USE trdmod_oce ! ocean active mixed layer tracers trends |
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16 | USE trdmod ! ocean active mixed layer tracers trends |
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17 | USE trdmod_trc ! ocean passive mixed layer tracers trends |
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18 | |
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19 | IMPLICIT NONE |
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20 | PRIVATE |
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21 | |
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22 | PUBLIC trd_tra ! called by all traXX modules |
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23 | PUBLIC trd_tra_alloc ! called by nemogcm.F90 |
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24 | |
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25 | !! * Module declaration |
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26 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: trdtx, trdty, trdt !: |
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27 | |
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28 | !! * Substitutions |
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29 | # include "domzgr_substitute.h90" |
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30 | # include "vectopt_loop_substitute.h90" |
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31 | !!---------------------------------------------------------------------- |
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32 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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33 | !! $Id$ |
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34 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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35 | !!---------------------------------------------------------------------- |
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36 | |
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37 | CONTAINS |
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38 | |
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39 | FUNCTION trd_tra_alloc() |
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40 | !!---------------------------------------------------------------------------- |
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41 | !! *** ROUTINE trd_tra_alloc *** |
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42 | !!---------------------------------------------------------------------------- |
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43 | IMPLICIT none |
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44 | INTEGER trd_tra_alloc |
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45 | !!---------------------------------------------------------------------------- |
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46 | |
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47 | ALLOCATE(trdtx(jpi,jpj,jpk), trdty(jpi,jpj,jpk), trdt(jpi,jpj,jpk), & |
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48 | Stat=trd_tra_alloc) |
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49 | |
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50 | IF(trd_tra_alloc /= 0)THEN |
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51 | CALL ctl_warn('trd_tra_alloc: failed to allocate arrays.') |
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52 | END IF |
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53 | |
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54 | END FUNCTION trd_tra_alloc |
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55 | |
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56 | SUBROUTINE trd_tra( kt, ctype, ktra, ktrd, ptrd, pun, ptra ) |
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57 | !!--------------------------------------------------------------------- |
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58 | !! *** ROUTINE trd_tra *** |
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59 | !! |
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60 | !! ** Purpose : Dispatch all trends computation, e.g. vorticity, mld or |
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61 | !! integral constraints |
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62 | !! |
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63 | !! ** Method/usage : For the mixed-layer trend, the control surface can be either |
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64 | !! a mixed layer depth (time varying) or a fixed surface (jk level or bowl). |
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65 | !! Choose control surface with nn_ctls in namelist NAMTRD : |
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66 | !! nn_ctls = 0 : use mixed layer with density criterion |
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67 | !! nn_ctls = 1 : read index from file 'ctlsurf_idx' |
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68 | !! nn_ctls > 1 : use fixed level surface jk = nn_ctls |
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69 | !!---------------------------------------------------------------------- |
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70 | USE wrk_nemo, ONLY: wrk_use, wrk_release |
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71 | USE wrk_nemo, ONLY: ztrds => wrk_3d_1 |
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72 | INTEGER , INTENT(in) :: kt ! time step |
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73 | CHARACTER(len=3) , INTENT(in) :: ctype ! tracers trends type 'TRA'/'TRC' |
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74 | INTEGER , INTENT(in) :: ktra ! tracer index |
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75 | INTEGER , INTENT(in) :: ktrd ! tracer trend index |
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76 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in) :: ptrd ! tracer trend or flux |
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77 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: pun ! velocity |
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78 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: ptra ! Tracer variable |
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79 | !!---------------------------------------------------------------------- |
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80 | |
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81 | IF(.NOT. wrk_use(3, 1))THEN |
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82 | CALL ctl_stop('trd_tra: requested workspace array unavailable.') |
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83 | RETURN |
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84 | END IF |
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85 | |
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86 | ! Control of optional arguments |
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87 | IF( ctype == 'TRA' .AND. ktra == jp_tem ) THEN |
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88 | IF( PRESENT( ptra ) ) THEN |
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89 | SELECT CASE( ktrd ) ! shift depending on the direction |
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90 | CASE( jptra_trd_xad ) ; CALL trd_tra_adv( ptrd, pun, ptra, 'X', trdtx ) |
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91 | CASE( jptra_trd_yad ) ; CALL trd_tra_adv( ptrd, pun, ptra, 'Y', trdty ) |
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92 | CASE( jptra_trd_zad ) ; CALL trd_tra_adv( ptrd, pun, ptra, 'Z', trdt ) |
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93 | END SELECT |
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94 | ELSE |
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95 | trdt(:,:,:) = ptrd(:,:,:) |
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96 | IF( ktrd == jptra_trd_bbc .OR. ktrd == jptra_trd_qsr ) THEN |
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97 | ztrds(:,:,:) = 0. |
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98 | CALL trd_mod( trdt, ztrds, ktrd, ctype, kt ) |
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99 | END IF |
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100 | END IF |
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101 | END IF |
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102 | |
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103 | IF( ctype == 'TRA' .AND. ktra == jp_sal ) THEN |
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104 | IF( PRESENT( ptra ) ) THEN |
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105 | SELECT CASE( ktrd ) ! shift depending on the direction |
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106 | CASE( jptra_trd_xad ) |
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107 | CALL trd_tra_adv( ptrd, pun, ptra, 'X', ztrds ) |
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108 | CALL trd_mod( trdtx, ztrds, ktrd, ctype, kt ) |
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109 | CASE( jptra_trd_yad ) |
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110 | CALL trd_tra_adv( ptrd, pun, ptra, 'Y', ztrds ) |
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111 | CALL trd_mod( trdty, ztrds, ktrd, ctype, kt ) |
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112 | CASE( jptra_trd_zad ) |
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113 | CALL trd_tra_adv( ptrd, pun, ptra, 'Z', ztrds ) |
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114 | CALL trd_mod( trdt , ztrds, ktrd, ctype, kt ) |
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115 | END SELECT |
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116 | ELSE |
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117 | ztrds(:,:,:) = ptrd(:,:,:) |
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118 | CALL trd_mod( trdt, ztrds, ktrd, ctype, kt ) |
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119 | END IF |
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120 | END IF |
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121 | |
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122 | IF( ctype == 'TRC' ) THEN |
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123 | ! |
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124 | IF( PRESENT( ptra ) ) THEN |
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125 | SELECT CASE( ktrd ) ! shift depending on the direction |
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126 | CASE( jptra_trd_xad ) |
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127 | CALL trd_tra_adv( ptrd, pun, ptra, 'X', ztrds ) |
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128 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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129 | CASE( jptra_trd_yad ) |
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130 | CALL trd_tra_adv( ptrd, pun, ptra, 'Y', ztrds ) |
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131 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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132 | CASE( jptra_trd_zad ) |
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133 | CALL trd_tra_adv( ptrd, pun, ptra, 'Z', ztrds ) |
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134 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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135 | END SELECT |
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136 | ELSE |
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137 | ztrds(:,:,:) = ptrd(:,:,:) |
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138 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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139 | END IF |
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140 | ! |
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141 | ENDIF |
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142 | ! |
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143 | IF(.NOT. wrk_release(3, 1))THEN |
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144 | CALL ctl_stop('trd_tra: failed to release workspace array.') |
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145 | END IF |
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146 | ! |
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147 | END SUBROUTINE trd_tra |
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148 | |
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149 | SUBROUTINE trd_tra_adv( pf, pun, ptn, cdir, ptrd ) |
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150 | !!--------------------------------------------------------------------- |
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151 | !! *** ROUTINE trd_tra_adv *** |
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152 | !! |
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153 | !! ** Purpose : transformed the i-, j- or k-advective flux into thes |
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154 | !! i-, j- or k-advective trends, resp. |
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155 | !! ** Method : i-advective trends = -un. di-1[T] = -( di-1[fi] - tn di-1[un] ) |
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156 | !! k-advective trends = -un. di-1[T] = -( dj-1[fi] - tn dj-1[un] ) |
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157 | !! k-advective trends = -un. di+1[T] = -( dk+1[fi] - tn dk+1[un] ) |
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158 | !!---------------------------------------------------------------------- |
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159 | REAL(wp) , INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pf ! advective flux in one direction |
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160 | REAL(wp) , INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pun ! now velocity in one direction |
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161 | REAL(wp) , INTENT(in ), DIMENSION(jpi,jpj,jpk) :: ptn ! now or before tracer |
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162 | CHARACTER(len=1), INTENT(in ) :: cdir ! X/Y/Z direction |
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163 | REAL(wp) , INTENT(out), DIMENSION(jpi,jpj,jpk) :: ptrd ! advective trend in one direction |
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164 | !! |
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165 | INTEGER :: ji, jj, jk ! dummy loop indices |
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166 | INTEGER :: ii, ij, ik ! index shift function of the direction |
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167 | REAL(wp) :: zbtr ! temporary scalar |
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168 | !!---------------------------------------------------------------------- |
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169 | |
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170 | SELECT CASE( cdir ) ! shift depending on the direction |
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171 | CASE( 'X' ) ; ii = 1 ; ij = 0 ; ik = 0 ! i-advective trend |
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172 | CASE( 'Y' ) ; ii = 0 ; ij = 1 ; ik = 0 ! j-advective trend |
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173 | CASE( 'Z' ) ; ii = 0 ; ij = 0 ; ik =-1 ! k-advective trend |
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174 | END SELECT |
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175 | |
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176 | ! ! set to zero uncomputed values |
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177 | ptrd(jpi,:,:) = 0.e0 ; ptrd(1,:,:) = 0.e0 |
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178 | ptrd(:,jpj,:) = 0.e0 ; ptrd(:,1,:) = 0.e0 |
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179 | ptrd(:,:,jpk) = 0.e0 |
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180 | ! |
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181 | ! |
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182 | DO jk = 1, jpkm1 |
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183 | DO jj = 2, jpjm1 |
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184 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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185 | zbtr = 1.e0/ ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) ) |
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186 | ptrd(ji,jj,jk) = - zbtr * ( pf (ji,jj,jk) - pf (ji-ii,jj-ij,jk-ik) & |
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187 | & - ( pun(ji,jj,jk) - pun(ji-ii,jj-ij,jk-ik) ) * ptn(ji,jj,jk) ) |
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188 | END DO |
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189 | END DO |
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190 | END DO |
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191 | ! |
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192 | END SUBROUTINE trd_tra_adv |
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193 | |
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194 | # else |
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195 | !!---------------------------------------------------------------------- |
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196 | !! Default case : Empty module |
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197 | !!---------------------------------------------------------------------- |
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198 | USE par_oce ! ocean variables trends |
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199 | |
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200 | CONTAINS |
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201 | |
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202 | SUBROUTINE trd_tra( kt, ctype, ktra, ktrd, ptrd, pu, ptra ) |
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203 | !!---------------------------------------------------------------------- |
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204 | INTEGER , INTENT(in) :: kt ! time step |
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205 | CHARACTER(len=3) , INTENT(in) :: ctype ! tracers trends type 'TRA'/'TRC' |
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206 | INTEGER , INTENT(in) :: ktra ! tracer index |
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207 | INTEGER , INTENT(in) :: ktrd ! tracer trend index |
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208 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in) :: ptrd ! tracer trend |
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209 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: pu ! velocity |
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210 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: ptra ! Tracer variable |
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211 | WRITE(*,*) 'trd_3d: You should not have seen this print! error ?', ptrd(1,1,1) |
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212 | WRITE(*,*) ' " ": You should not have seen this print! error ?', ptra(1,1,1) |
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213 | WRITE(*,*) ' " ": You should not have seen this print! error ?', pu(1,1,1) |
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214 | WRITE(*,*) ' " ": You should not have seen this print! error ?', ktrd |
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215 | WRITE(*,*) ' " ": You should not have seen this print! error ?', ktra |
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216 | WRITE(*,*) ' " ": You should not have seen this print! error ?', ctype |
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217 | WRITE(*,*) ' " ": You should not have seen this print! error ?', kt |
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218 | END SUBROUTINE trd_tra |
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219 | # endif |
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220 | !!====================================================================== |
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221 | END MODULE trdtra |
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