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 : 1.0 ! 2004-08 (C. Talandier) Original code |
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7 | !! 2.0 ! 2005-04 (C. Deltel) Add Asselin trend in the ML budget |
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8 | !! 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 | USE in_out_manager ! I/O manager |
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19 | USE lib_mpp ! MPP library |
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20 | |
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21 | IMPLICIT NONE |
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22 | PRIVATE |
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23 | |
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24 | PUBLIC trd_tra ! called by all traXX modules |
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25 | |
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26 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: trdtx, trdty, trdt !: |
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27 | |
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28 | !! * Control permutation of array indices |
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29 | # include "dom_oce_ftrans.h90" |
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30 | !! These are all private to the module, |
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31 | !! so we do not need a separate file of ftrans directives |
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32 | !FTRANS trdtx trdty trdt :I :I :z |
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33 | |
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34 | !! * Substitutions |
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35 | # include "domzgr_substitute.h90" |
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36 | # include "vectopt_loop_substitute.h90" |
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37 | !!---------------------------------------------------------------------- |
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38 | !! NEMO/OPA 4.0 , NEMO Consortium (2011) |
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39 | !! $Id$ |
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40 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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41 | !!---------------------------------------------------------------------- |
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42 | CONTAINS |
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43 | |
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44 | INTEGER FUNCTION trd_tra_alloc() |
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45 | !!---------------------------------------------------------------------------- |
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46 | !! *** FUNCTION trd_tra_alloc *** |
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47 | !!---------------------------------------------------------------------------- |
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48 | ALLOCATE( trdtx(jpi,jpj,jpk) , trdty(jpi,jpj,jpk) , trdt(jpi,jpj,jpk) , STAT= trd_tra_alloc ) |
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49 | ! |
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50 | IF( lk_mpp ) CALL mpp_sum ( trd_tra_alloc ) |
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51 | IF( trd_tra_alloc /= 0 ) CALL ctl_warn('trd_tra_alloc: failed to allocate arrays') |
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52 | END FUNCTION trd_tra_alloc |
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53 | |
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54 | |
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55 | SUBROUTINE trd_tra( kt, ctype, ktra, ktrd, ptrd, pun, ptra ) |
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56 | !!--------------------------------------------------------------------- |
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57 | !! *** ROUTINE trd_tra *** |
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58 | !! |
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59 | !! ** Purpose : Dispatch all trends computation, e.g. vorticity, mld or |
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60 | !! integral constraints |
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61 | !! |
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62 | !! ** Method/usage : For the mixed-layer trend, the control surface can be either |
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63 | !! a mixed layer depth (time varying) or a fixed surface (jk level or bowl). |
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64 | !! Choose control surface with nn_ctls in namelist NAMTRD : |
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65 | !! nn_ctls = 0 : use mixed layer with density criterion |
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66 | !! nn_ctls = 1 : read index from file 'ctlsurf_idx' |
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67 | !! nn_ctls > 1 : use fixed level surface jk = nn_ctls |
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68 | !!---------------------------------------------------------------------- |
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69 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
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70 | USE wrk_nemo, ONLY: ztrds => wrk_3d_10 ! 3D workspace |
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71 | !! DCSE_NEMO: Need additional directives for renamed module variables |
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72 | !FTRANS ztrds :I :I :z |
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73 | |
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74 | ! |
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75 | INTEGER , INTENT(in) :: kt ! time step |
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76 | CHARACTER(len=3) , INTENT(in) :: ctype ! tracers trends type 'TRA'/'TRC' |
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77 | INTEGER , INTENT(in) :: ktra ! tracer index |
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78 | INTEGER , INTENT(in) :: ktrd ! tracer trend index |
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79 | |
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80 | !! DCSE_NEMO: This style defeats ftrans |
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81 | ! REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in) :: ptrd ! tracer trend or flux |
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82 | ! REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: pun ! velocity |
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83 | ! REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: ptra ! Tracer variable |
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84 | |
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85 | !FTRANS ptrd pun ptra :I :I :z |
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86 | REAL(wp), INTENT(in) :: ptrd(jpi,jpj,jpk) ! tracer trend or flux |
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87 | REAL(wp), INTENT(in), OPTIONAL :: pun(jpi,jpj,jpk) ! velocity |
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88 | REAL(wp), INTENT(in), OPTIONAL :: ptra(jpi,jpj,jpk) ! Tracer variable |
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89 | !!---------------------------------------------------------------------- |
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90 | |
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91 | IF( wrk_in_use(3, 10) ) THEN |
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92 | CALL ctl_stop('trd_tra: requested workspace array unavailable') ; RETURN |
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93 | ENDIF |
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94 | |
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95 | IF( .NOT. ALLOCATED( trdtx ) ) THEN ! allocate trdtra arrays |
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96 | IF( trd_tra_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'trd_tra : unable to allocate arrays' ) |
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97 | ENDIF |
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98 | |
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99 | ! Control of optional arguments |
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100 | IF( ctype == 'TRA' .AND. ktra == jp_tem ) THEN |
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101 | IF( PRESENT( ptra ) ) THEN |
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102 | SELECT CASE( ktrd ) ! shift depending on the direction |
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103 | CASE( jptra_trd_xad ) ; CALL trd_tra_adv( ptrd, pun, ptra, 'X', trdtx ) |
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104 | CASE( jptra_trd_yad ) ; CALL trd_tra_adv( ptrd, pun, ptra, 'Y', trdty ) |
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105 | CASE( jptra_trd_zad ) ; CALL trd_tra_adv( ptrd, pun, ptra, 'Z', trdt ) |
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106 | END SELECT |
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107 | ELSE |
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108 | trdt(:,:,:) = ptrd(:,:,:) |
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109 | IF( ktrd == jptra_trd_bbc .OR. ktrd == jptra_trd_qsr ) THEN |
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110 | ztrds(:,:,:) = 0. |
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111 | CALL trd_mod( trdt, ztrds, ktrd, ctype, kt ) |
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112 | END IF |
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113 | END IF |
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114 | END IF |
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115 | |
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116 | IF( ctype == 'TRA' .AND. ktra == jp_sal ) THEN |
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117 | IF( PRESENT( ptra ) ) THEN |
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118 | SELECT CASE( ktrd ) ! shift depending on the direction |
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119 | CASE( jptra_trd_xad ) |
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120 | CALL trd_tra_adv( ptrd, pun, ptra, 'X', ztrds ) |
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121 | CALL trd_mod( trdtx, ztrds, ktrd, ctype, kt ) |
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122 | CASE( jptra_trd_yad ) |
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123 | CALL trd_tra_adv( ptrd, pun, ptra, 'Y', ztrds ) |
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124 | CALL trd_mod( trdty, ztrds, ktrd, ctype, kt ) |
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125 | CASE( jptra_trd_zad ) |
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126 | CALL trd_tra_adv( ptrd, pun, ptra, 'Z', ztrds ) |
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127 | CALL trd_mod( trdt , ztrds, ktrd, ctype, kt ) |
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128 | END SELECT |
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129 | ELSE |
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130 | ztrds(:,:,:) = ptrd(:,:,:) |
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131 | CALL trd_mod( trdt, ztrds, ktrd, ctype, kt ) |
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132 | END IF |
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133 | END IF |
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134 | |
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135 | IF( ctype == 'TRC' ) THEN |
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136 | ! |
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137 | IF( PRESENT( ptra ) ) THEN |
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138 | SELECT CASE( ktrd ) ! shift depending on the direction |
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139 | CASE( jptra_trd_xad ) |
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140 | CALL trd_tra_adv( ptrd, pun, ptra, 'X', ztrds ) |
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141 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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142 | CASE( jptra_trd_yad ) |
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143 | CALL trd_tra_adv( ptrd, pun, ptra, 'Y', ztrds ) |
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144 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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145 | CASE( jptra_trd_zad ) |
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146 | CALL trd_tra_adv( ptrd, pun, ptra, 'Z', ztrds ) |
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147 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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148 | END SELECT |
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149 | ELSE |
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150 | ztrds(:,:,:) = ptrd(:,:,:) |
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151 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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152 | END IF |
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153 | ! |
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154 | ENDIF |
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155 | ! |
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156 | IF( wrk_not_released(3, 10) ) CALL ctl_stop('trd_tra: failed to release workspace array') |
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157 | ! |
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158 | END SUBROUTINE trd_tra |
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159 | |
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160 | !! * Reset control of array index permutation |
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161 | !FTRANS CLEAR |
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162 | # include "dom_oce_ftrans.h90" |
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163 | !FTRANS trdtx trdty trdt :I :I :z |
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164 | |
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165 | SUBROUTINE trd_tra_adv( pf, pun, ptn, cdir, ptrd ) |
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166 | !!--------------------------------------------------------------------- |
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167 | !! *** ROUTINE trd_tra_adv *** |
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168 | !! |
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169 | !! ** Purpose : transformed the i-, j- or k-advective flux into thes |
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170 | !! i-, j- or k-advective trends, resp. |
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171 | !! ** Method : i-advective trends = -un. di-1[T] = -( di-1[fi] - tn di-1[un] ) |
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172 | !! k-advective trends = -un. di-1[T] = -( dj-1[fi] - tn dj-1[un] ) |
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173 | !! k-advective trends = -un. di+1[T] = -( dk+1[fi] - tn dk+1[un] ) |
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174 | !!---------------------------------------------------------------------- |
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175 | |
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176 | !! DCSE_NEMO: This style defeats ftrans |
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177 | ! REAL(wp) , INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pf ! advective flux in one direction |
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178 | ! REAL(wp) , INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pun ! now velocity in one direction |
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179 | ! REAL(wp) , INTENT(in ), DIMENSION(jpi,jpj,jpk) :: ptn ! now or before tracer |
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180 | |
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181 | !FTRANS pf pun ptn :I :I :z |
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182 | REAL(wp) , INTENT(in ) :: pf(jpi,jpj,jpk) ! advective flux in one direction |
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183 | REAL(wp) , INTENT(in ) :: pun(jpi,jpj,jpk) ! now velocity in one direction |
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184 | REAL(wp) , INTENT(in ) :: ptn(jpi,jpj,jpk) ! now or before tracer |
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185 | CHARACTER(len=1), INTENT(in ) :: cdir ! X/Y/Z direction |
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186 | |
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187 | ! REAL(wp) , INTENT(out), DIMENSION(jpi,jpj,jpk) :: ptrd ! advective trend in one direction |
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188 | !FTRANS ptrd :I :I :z |
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189 | REAL(wp) , INTENT(out) :: ptrd(jpi,jpj,jpk) ! advective trend in one direction |
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190 | ! |
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191 | INTEGER :: ji, jj, jk ! dummy loop indices |
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192 | INTEGER :: ii, ij, ik ! index shift function of the direction |
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193 | REAL(wp) :: zbtr ! local scalar |
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194 | !!---------------------------------------------------------------------- |
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195 | |
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196 | SELECT CASE( cdir ) ! shift depending on the direction |
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197 | CASE( 'X' ) ; ii = 1 ; ij = 0 ; ik = 0 ! i-advective trend |
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198 | CASE( 'Y' ) ; ii = 0 ; ij = 1 ; ik = 0 ! j-advective trend |
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199 | CASE( 'Z' ) ; ii = 0 ; ij = 0 ; ik =-1 ! k-advective trend |
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200 | END SELECT |
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201 | |
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202 | ! ! set to zero uncomputed values |
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203 | ptrd(jpi,:,:) = 0.e0 ; ptrd(1,:,:) = 0.e0 |
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204 | ptrd(:,jpj,:) = 0.e0 ; ptrd(:,1,:) = 0.e0 |
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205 | ptrd(:,:,jpk) = 0.e0 |
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206 | ! |
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207 | ! |
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208 | #if defined key_z_first |
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209 | DO jj = 2, jpjm1 |
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210 | DO ji = 2, jpim1 |
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211 | DO jk = 1, jpkm1 |
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212 | #else |
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213 | DO jk = 1, jpkm1 |
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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 | #endif |
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217 | zbtr = 1.e0/ ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) ) |
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218 | ptrd(ji,jj,jk) = - zbtr * ( pf (ji,jj,jk) - pf (ji-ii,jj-ij,jk-ik) & |
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219 | & - ( pun(ji,jj,jk) - pun(ji-ii,jj-ij,jk-ik) ) * ptn(ji,jj,jk) ) |
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220 | END DO |
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221 | END DO |
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222 | END DO |
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223 | ! |
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224 | END SUBROUTINE trd_tra_adv |
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225 | |
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226 | # else |
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227 | !!---------------------------------------------------------------------- |
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228 | !! Default case : Dummy module No trend diagnostics |
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229 | !!---------------------------------------------------------------------- |
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230 | USE par_oce ! ocean variables trends |
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231 | CONTAINS |
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232 | SUBROUTINE trd_tra( kt, ctype, ktra, ktrd, ptrd, pu, ptra ) |
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233 | !!---------------------------------------------------------------------- |
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234 | INTEGER , INTENT(in) :: kt ! time step |
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235 | CHARACTER(len=3) , INTENT(in) :: ctype ! tracers trends type 'TRA'/'TRC' |
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236 | INTEGER , INTENT(in) :: ktra ! tracer index |
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237 | INTEGER , INTENT(in) :: ktrd ! tracer trend index |
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238 | !! DCSE_NEMO: This style defeats ftrans |
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239 | ! REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in) :: ptrd ! tracer trend or flux |
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240 | ! REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: pu ! velocity |
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241 | ! REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: ptra ! Tracer variable |
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242 | |
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243 | !FTRANS ptrd pu ptra :I :I :z |
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244 | REAL(wp), INTENT(in) :: ptrd(jpi,jpj,jpk) ! tracer trend or flux |
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245 | REAL(wp), INTENT(in), OPTIONAL :: pu(jpi,jpj,jpk) ! velocity |
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246 | REAL(wp), INTENT(in), OPTIONAL :: ptra(jpi,jpj,jpk) ! Tracer variable |
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247 | |
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248 | WRITE(*,*) 'trd_3d: You should not have seen this print! error ?', ptrd(1,1,1), ptra(1,1,1), pu(1,1,1), & |
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249 | & ktrd, ktra, ctype, kt |
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250 | END SUBROUTINE trd_tra |
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251 | # endif |
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252 | !!====================================================================== |
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253 | END MODULE trdtra |
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