[2026] | 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 | |
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| 24 | !! * Module declaration |
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| 25 | REAL(wp), DIMENSION(jpi,jpj,jpk), SAVE :: trdtx, trdty, trdt !: |
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| 26 | |
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| 27 | !! * Substitutions |
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| 28 | # include "domzgr_substitute.h90" |
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| 29 | # include "vectopt_loop_substitute.h90" |
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| 30 | !!---------------------------------------------------------------------- |
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[2287] | 31 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[2281] | 32 | !! $Id$ |
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[2287] | 33 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[2026] | 34 | !!---------------------------------------------------------------------- |
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| 35 | |
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| 36 | CONTAINS |
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| 37 | |
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| 38 | SUBROUTINE trd_tra( kt, ctype, ktra, ktrd, ptrd, pun, ptra ) |
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| 39 | !!--------------------------------------------------------------------- |
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| 40 | !! *** ROUTINE trd_tra *** |
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| 41 | !! |
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| 42 | !! ** Purpose : Dispatch all trends computation, e.g. vorticity, mld or |
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| 43 | !! integral constraints |
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| 44 | !! |
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| 45 | !! ** Method/usage : For the mixed-layer trend, the control surface can be either |
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| 46 | !! a mixed layer depth (time varying) or a fixed surface (jk level or bowl). |
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| 47 | !! Choose control surface with nn_ctls in namelist NAMTRD : |
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| 48 | !! nn_ctls = 0 : use mixed layer with density criterion |
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| 49 | !! nn_ctls = 1 : read index from file 'ctlsurf_idx' |
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| 50 | !! nn_ctls > 1 : use fixed level surface jk = nn_ctls |
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| 51 | !!---------------------------------------------------------------------- |
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| 52 | INTEGER , INTENT(in) :: kt ! time step |
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| 53 | CHARACTER(len=3) , INTENT(in) :: ctype ! tracers trends type 'TRA'/'TRC' |
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| 54 | INTEGER , INTENT(in) :: ktra ! tracer index |
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| 55 | INTEGER , INTENT(in) :: ktrd ! tracer trend index |
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| 56 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in) :: ptrd ! tracer trend or flux |
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| 57 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: pun ! velocity |
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| 58 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: ptra ! Tracer variable |
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| 59 | !! |
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| 60 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztrds ! |
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| 61 | !!---------------------------------------------------------------------- |
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| 62 | |
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| 63 | ! Control of optional arguments |
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| 64 | IF( ctype == 'TRA' .AND. ktra == jp_tem ) THEN |
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| 65 | IF( PRESENT( ptra ) ) THEN |
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| 66 | SELECT CASE( ktrd ) ! shift depending on the direction |
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| 67 | CASE( jptra_trd_xad ) ; CALL trd_tra_adv( ptrd, pun, ptra, 'X', trdtx ) |
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| 68 | CASE( jptra_trd_yad ) ; CALL trd_tra_adv( ptrd, pun, ptra, 'Y', trdty ) |
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| 69 | CASE( jptra_trd_zad ) ; CALL trd_tra_adv( ptrd, pun, ptra, 'Z', trdt ) |
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| 70 | END SELECT |
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| 71 | ELSE |
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| 72 | trdt(:,:,:) = ptrd(:,:,:) |
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[2327] | 73 | IF( ktrd == jptra_trd_bbc .OR. ktrd == jptra_trd_qsr ) THEN |
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| 74 | ztrds(:,:,:) = 0. |
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| 75 | CALL trd_mod( trdt, ztrds, ktrd, ctype, kt ) |
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| 76 | END IF |
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[2026] | 77 | END IF |
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| 78 | END IF |
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| 79 | |
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| 80 | IF( ctype == 'TRA' .AND. ktra == jp_sal ) THEN |
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| 81 | IF( PRESENT( ptra ) ) THEN |
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| 82 | SELECT CASE( ktrd ) ! shift depending on the direction |
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| 83 | CASE( jptra_trd_xad ) |
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| 84 | CALL trd_tra_adv( ptrd, pun, ptra, 'X', ztrds ) |
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| 85 | CALL trd_mod( trdtx, ztrds, ktrd, ctype, kt ) |
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| 86 | CASE( jptra_trd_yad ) |
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| 87 | CALL trd_tra_adv( ptrd, pun, ptra, 'Y', ztrds ) |
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| 88 | CALL trd_mod( trdty, ztrds, ktrd, ctype, kt ) |
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| 89 | CASE( jptra_trd_zad ) |
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| 90 | CALL trd_tra_adv( ptrd, pun, ptra, 'Z', ztrds ) |
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| 91 | CALL trd_mod( trdt , ztrds, ktrd, ctype, kt ) |
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| 92 | END SELECT |
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| 93 | ELSE |
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| 94 | ztrds(:,:,:) = ptrd(:,:,:) |
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| 95 | CALL trd_mod( trdt, ztrds, ktrd, ctype, kt ) |
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| 96 | END IF |
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| 97 | END IF |
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| 98 | |
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| 99 | IF( ctype == 'TRC' ) THEN |
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| 100 | ! |
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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 ) |
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| 104 | CALL trd_tra_adv( ptrd, pun, ptra, 'X', ztrds ) |
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| 105 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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| 106 | CASE( jptra_trd_yad ) |
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| 107 | CALL trd_tra_adv( ptrd, pun, ptra, 'Y', ztrds ) |
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| 108 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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| 109 | CASE( jptra_trd_zad ) |
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| 110 | CALL trd_tra_adv( ptrd, pun, ptra, 'Z', ztrds ) |
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| 111 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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| 112 | END SELECT |
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| 113 | ELSE |
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| 114 | ztrds(:,:,:) = ptrd(:,:,:) |
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| 115 | CALL trd_mod_trc( ztrds, ktra, ktrd, kt ) |
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| 116 | END IF |
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| 117 | ! |
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| 118 | ENDIF |
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| 119 | ! |
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| 120 | END SUBROUTINE trd_tra |
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| 121 | |
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| 122 | SUBROUTINE trd_tra_adv( pf, pun, ptn, cdir, ptrd ) |
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| 123 | !!--------------------------------------------------------------------- |
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| 124 | !! *** ROUTINE trd_tra_adv *** |
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| 125 | !! |
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| 126 | !! ** Purpose : transformed the i-, j- or k-advective flux into thes |
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| 127 | !! i-, j- or k-advective trends, resp. |
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| 128 | !! ** Method : i-advective trends = -un. di-1[T] = -( di-1[fi] - tn di-1[un] ) |
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| 129 | !! k-advective trends = -un. di-1[T] = -( dj-1[fi] - tn dj-1[un] ) |
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| 130 | !! k-advective trends = -un. di+1[T] = -( dk+1[fi] - tn dk+1[un] ) |
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| 131 | !!---------------------------------------------------------------------- |
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| 132 | REAL(wp) , INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pf ! advective flux in one direction |
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| 133 | REAL(wp) , INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pun ! now velocity in one direction |
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| 134 | REAL(wp) , INTENT(in ), DIMENSION(jpi,jpj,jpk) :: ptn ! now or before tracer |
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| 135 | CHARACTER(len=1), INTENT(in ) :: cdir ! X/Y/Z direction |
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| 136 | REAL(wp) , INTENT(out), DIMENSION(jpi,jpj,jpk) :: ptrd ! advective trend in one direction |
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| 137 | !! |
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| 138 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 139 | INTEGER :: ii, ij, ik ! index shift function of the direction |
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| 140 | REAL(wp) :: zbtr ! temporary scalar |
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| 141 | !!---------------------------------------------------------------------- |
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| 142 | |
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| 143 | SELECT CASE( cdir ) ! shift depending on the direction |
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| 144 | CASE( 'X' ) ; ii = 1 ; ij = 0 ; ik = 0 ! i-advective trend |
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| 145 | CASE( 'Y' ) ; ii = 0 ; ij = 1 ; ik = 0 ! j-advective trend |
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| 146 | CASE( 'Z' ) ; ii = 0 ; ij = 0 ; ik =-1 ! k-advective trend |
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| 147 | END SELECT |
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| 148 | |
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| 149 | ! ! set to zero uncomputed values |
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| 150 | ptrd(jpi,:,:) = 0.e0 ; ptrd(1,:,:) = 0.e0 |
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| 151 | ptrd(:,jpj,:) = 0.e0 ; ptrd(:,1,:) = 0.e0 |
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| 152 | ptrd(:,:,jpk) = 0.e0 |
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| 153 | ! |
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| 154 | ! |
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| 155 | DO jk = 1, jpkm1 |
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| 156 | DO jj = 2, jpjm1 |
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| 157 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 158 | zbtr = 1.e0/ ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) ) |
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| 159 | ptrd(ji,jj,jk) = - zbtr * ( pf (ji,jj,jk) - pf (ji-ii,jj-ij,jk-ik) & |
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| 160 | & - ( pun(ji,jj,jk) - pun(ji-ii,jj-ij,jk-ik) ) * ptn(ji,jj,jk) ) |
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| 161 | END DO |
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| 162 | END DO |
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| 163 | END DO |
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| 164 | ! |
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| 165 | END SUBROUTINE trd_tra_adv |
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| 166 | |
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| 167 | # else |
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| 168 | !!---------------------------------------------------------------------- |
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| 169 | !! Default case : Empty module |
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| 170 | !!---------------------------------------------------------------------- |
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| 171 | USE par_oce ! ocean variables trends |
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| 172 | |
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| 173 | CONTAINS |
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| 174 | |
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| 175 | SUBROUTINE trd_tra( kt, ctype, ktra, ktrd, ptrd, pu, ptra ) |
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| 176 | !!---------------------------------------------------------------------- |
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| 177 | INTEGER , INTENT(in) :: kt ! time step |
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| 178 | CHARACTER(len=3) , INTENT(in) :: ctype ! tracers trends type 'TRA'/'TRC' |
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| 179 | INTEGER , INTENT(in) :: ktra ! tracer index |
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| 180 | INTEGER , INTENT(in) :: ktrd ! tracer trend index |
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| 181 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in) :: ptrd ! tracer trend |
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| 182 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: pu ! velocity |
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| 183 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in), OPTIONAL :: ptra ! Tracer variable |
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| 184 | WRITE(*,*) 'trd_3d: You should not have seen this print! error ?', ptrd(1,1,1) |
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| 185 | WRITE(*,*) ' " ": You should not have seen this print! error ?', ptra(1,1,1) |
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| 186 | WRITE(*,*) ' " ": You should not have seen this print! error ?', pu(1,1,1) |
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| 187 | WRITE(*,*) ' " ": You should not have seen this print! error ?', ktrd |
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| 188 | WRITE(*,*) ' " ": You should not have seen this print! error ?', ktra |
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| 189 | WRITE(*,*) ' " ": You should not have seen this print! error ?', ctype |
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| 190 | WRITE(*,*) ' " ": You should not have seen this print! error ?', kt |
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| 191 | END SUBROUTINE trd_tra |
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| 192 | # endif |
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| 193 | !!====================================================================== |
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| 194 | END MODULE trdtra |
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