| 1 | MODULE trcdmp |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE trcdmp *** |
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| 4 | !! Ocean physics: internal restoring trend on passive tracers |
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| 5 | !!====================================================================== |
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| 6 | !! History : OPA ! 1991-03 (O. Marti, G. Madec) Original code |
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| 7 | !! ! 1996-01 (G. Madec) statement function for e3 |
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| 8 | !! ! 1997-05 (H. Loukos) adapted for passive tracers |
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| 9 | !! NEMO 9.0 ! 2004-03 (C. Ethe) free form + modules |
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| 10 | !! 3.2 ! 2007-02 (C. Deltel) Diagnose ML trends for passive tracers |
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| 11 | !! 3.3 ! 2010-06 (C. Ethe, G. Madec) merge TRA-TRC |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | #if defined key_top |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | !! trc_dmp : update the tracer trend with the internal damping |
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| 16 | !! trc_dmp_init : initialization, namlist read, parameters control |
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| 17 | !!---------------------------------------------------------------------- |
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| 18 | USE oce_trc ! ocean dynamics and tracers variables |
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| 19 | USE trc ! ocean passive tracers variables |
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| 20 | USE trcdta |
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| 21 | USE tradmp |
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| 22 | USE prtctl_trc ! Print control for debbuging |
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| 23 | USE trdtra |
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| 24 | USE trd_oce |
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| 25 | USE iom |
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| 26 | |
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| 27 | IMPLICIT NONE |
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| 28 | PRIVATE |
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| 29 | |
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| 30 | PUBLIC trc_dmp |
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| 31 | PUBLIC trc_dmp_clo |
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| 32 | PUBLIC trc_dmp_alloc |
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| 33 | PUBLIC trc_dmp_ini |
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| 34 | |
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| 35 | INTEGER , PUBLIC :: nn_zdmp_tr ! = 0/1/2 flag for damping in the mixed layer |
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| 36 | CHARACTER(LEN=200) , PUBLIC :: cn_resto_tr !File containing restoration coefficient |
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| 37 | |
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| 38 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: restotr ! restoring coeff. on tracers (s-1) |
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| 39 | |
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| 40 | INTEGER, PARAMETER :: npncts = 8 ! number of closed sea |
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| 41 | INTEGER, DIMENSION(npncts) :: nctsi1, nctsj1 ! south-west closed sea limits (i,j) |
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| 42 | INTEGER, DIMENSION(npncts) :: nctsi2, nctsj2 ! north-east closed sea limits (i,j) |
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| 43 | |
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| 44 | !! * Substitutions |
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| 45 | # include "vectopt_loop_substitute.h90" |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 48 | !! $Id$ |
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| 49 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 50 | !!---------------------------------------------------------------------- |
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| 51 | CONTAINS |
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| 52 | |
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| 53 | INTEGER FUNCTION trc_dmp_alloc() |
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| 54 | !!---------------------------------------------------------------------- |
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| 55 | !! *** ROUTINE trc_dmp_alloc *** |
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| 56 | !!---------------------------------------------------------------------- |
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| 57 | ALLOCATE( restotr(jpi,jpj,jpk) , STAT=trc_dmp_alloc ) |
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| 58 | ! |
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| 59 | IF( trc_dmp_alloc /= 0 ) CALL ctl_warn('trc_dmp_alloc: failed to allocate array') |
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| 60 | ! |
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| 61 | END FUNCTION trc_dmp_alloc |
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| 62 | |
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| 63 | |
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| 64 | SUBROUTINE trc_dmp( kt ) |
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| 65 | !!---------------------------------------------------------------------- |
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| 66 | !! *** ROUTINE trc_dmp *** |
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| 67 | !! |
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| 68 | !! ** Purpose : Compute the passive tracer trend due to a newtonian damping |
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| 69 | !! of the tracer field towards given data field and add it to the |
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| 70 | !! general tracer trends. |
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| 71 | !! |
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| 72 | !! ** Method : Newtonian damping towards trdta computed |
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| 73 | !! and add to the general tracer trends: |
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| 74 | !! trn = tra + restotr * (trdta - trb) |
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| 75 | !! The trend is computed either throughout the water column |
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| 76 | !! (nlmdmptr=0) or in area of weak vertical mixing (nlmdmptr=1) or |
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| 77 | !! below the well mixed layer (nlmdmptr=2) |
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| 78 | !! |
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| 79 | !! ** Action : - update the tracer trends tra with the newtonian |
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| 80 | !! damping trends. |
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| 81 | !! - save the trends ('key_trdmxl_trc') |
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| 82 | !!---------------------------------------------------------------------- |
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| 83 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
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| 84 | ! |
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| 85 | INTEGER :: ji, jj, jk, jn, jl ! dummy loop indices |
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| 86 | CHARACTER (len=22) :: charout |
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| 87 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrtrd |
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| 88 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrcdta ! 3D workspace |
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| 89 | !!---------------------------------------------------------------------- |
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| 90 | ! |
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| 91 | IF( nn_timing == 1 ) CALL timing_start('trc_dmp') |
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| 92 | ! |
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| 93 | IF( l_trdtrc ) CALL wrk_alloc( jpi, jpj, jpk, ztrtrd ) ! temporary save of trends |
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| 94 | ! |
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| 95 | IF( nb_trcdta > 0 ) THEN ! Initialisation of tracer from a file that may also be used for damping |
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| 96 | ! |
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| 97 | CALL wrk_alloc( jpi, jpj, jpk, ztrcdta ) ! Memory allocation |
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| 98 | ! ! =========== |
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| 99 | DO jn = 1, jptra ! tracer loop |
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| 100 | ! ! =========== |
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| 101 | IF( l_trdtrc ) ztrtrd(:,:,:) = tra(:,:,:,jn) ! save trends |
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| 102 | ! |
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| 103 | IF( ln_trc_ini(jn) ) THEN ! update passive tracers arrays with input data read from file |
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| 104 | ! |
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| 105 | jl = n_trc_index(jn) |
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| 106 | CALL trc_dta( kt, sf_trcdta(jl), rf_trfac(jl), ztrcdta ) ! read tracer data at nit000 |
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| 107 | ! |
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| 108 | SELECT CASE ( nn_zdmp_tr ) |
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| 109 | ! |
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| 110 | CASE( 0 ) !== newtonian damping throughout the water column ==! |
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| 111 | DO jk = 1, jpkm1 |
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| 112 | DO jj = 2, jpjm1 |
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| 113 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 114 | tra(ji,jj,jk,jn) = tra(ji,jj,jk,jn) + restotr(ji,jj,jk) * ( ztrcdta(ji,jj,jk) - trb(ji,jj,jk,jn) ) |
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| 115 | END DO |
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| 116 | END DO |
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| 117 | END DO |
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| 118 | ! |
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| 119 | CASE ( 1 ) !== no damping in the turbocline (avt > 5 cm2/s) ==! |
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| 120 | DO jk = 1, jpkm1 |
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| 121 | DO jj = 2, jpjm1 |
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| 122 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 123 | IF( avt(ji,jj,jk) <= 5.e-4_wp ) THEN |
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| 124 | tra(ji,jj,jk,jn) = tra(ji,jj,jk,jn) + restotr(ji,jj,jk) * ( ztrcdta(ji,jj,jk) - trb(ji,jj,jk,jn) ) |
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| 125 | ENDIF |
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| 126 | END DO |
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| 127 | END DO |
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| 128 | END DO |
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| 129 | ! |
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| 130 | CASE ( 2 ) !== no damping in the mixed layer ==! |
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| 131 | DO jk = 1, jpkm1 |
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| 132 | DO jj = 2, jpjm1 |
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| 133 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 134 | IF( gdept_n(ji,jj,jk) >= hmlp (ji,jj) ) THEN |
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| 135 | tra(ji,jj,jk,jn) = tra(ji,jj,jk,jn) + restotr(ji,jj,jk) * ( ztrcdta(ji,jj,jk) - trb(ji,jj,jk,jn) ) |
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| 136 | END IF |
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| 137 | END DO |
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| 138 | END DO |
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| 139 | END DO |
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| 140 | ! |
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| 141 | END SELECT |
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| 142 | ! |
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| 143 | ENDIF |
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| 144 | ! |
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| 145 | IF( l_trdtrc ) THEN |
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| 146 | ztrtrd(:,:,:) = tra(:,:,:,jn) - ztrtrd(:,:,:) |
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| 147 | CALL trd_tra( kt, 'TRC', jn, jptra_dmp, ztrtrd ) |
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| 148 | END IF |
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| 149 | ! ! =========== |
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| 150 | END DO ! tracer loop |
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| 151 | ! ! =========== |
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| 152 | CALL wrk_dealloc( jpi, jpj, jpk, ztrcdta ) |
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| 153 | ENDIF |
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| 154 | ! |
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| 155 | IF( l_trdtrc ) CALL wrk_dealloc( jpi, jpj, jpk, ztrtrd ) |
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| 156 | ! ! print mean trends (used for debugging) |
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| 157 | IF( ln_ctl ) THEN |
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| 158 | WRITE(charout, FMT="('dmp ')") |
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| 159 | CALL prt_ctl_trc_info(charout) |
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| 160 | CALL prt_ctl_trc( tab4d=tra, mask=tmask, clinfo=ctrcnm, clinfo2='trd' ) |
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| 161 | ENDIF |
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| 162 | ! |
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| 163 | IF( nn_timing == 1 ) CALL timing_stop('trc_dmp') |
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| 164 | ! |
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| 165 | END SUBROUTINE trc_dmp |
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| 166 | |
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| 167 | |
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| 168 | SUBROUTINE trc_dmp_ini |
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| 169 | !!---------------------------------------------------------------------- |
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| 170 | !! *** ROUTINE trc_dmp_ini *** |
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| 171 | !! |
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| 172 | !! ** Purpose : Initialization for the newtonian damping |
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| 173 | !! |
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| 174 | !! ** Method : read the nammbf namelist and check the parameters |
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| 175 | !! called by trc_dmp at the first timestep (nittrc000) |
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| 176 | !!---------------------------------------------------------------------- |
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| 177 | INTEGER :: ios, imask ! local integers |
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| 178 | !! |
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| 179 | NAMELIST/namtrc_dmp/ nn_zdmp_tr , cn_resto_tr |
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| 180 | !!---------------------------------------------------------------------- |
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| 181 | ! |
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| 182 | IF( nn_timing == 1 ) CALL timing_start('trc_dmp_ini') |
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| 183 | ! |
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| 184 | REWIND( numnat_ref ) ! Namelist namtrc_dmp in reference namelist : Passive tracers newtonian damping |
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| 185 | READ ( numnat_ref, namtrc_dmp, IOSTAT = ios, ERR = 909) |
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| 186 | 909 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtrc_dmp in reference namelist', lwp ) |
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| 187 | |
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| 188 | REWIND( numnat_cfg ) ! Namelist namtrc_dmp in configuration namelist : Passive tracers newtonian damping |
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| 189 | READ ( numnat_cfg, namtrc_dmp, IOSTAT = ios, ERR = 910) |
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| 190 | 910 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtrc_dmp in configuration namelist', lwp ) |
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| 191 | IF(lwm) WRITE ( numont, namtrc_dmp ) |
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| 192 | |
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| 193 | IF(lwp) THEN ! Namelist print |
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| 194 | WRITE(numout,*) |
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| 195 | WRITE(numout,*) 'trc_dmp : Passive tracers newtonian damping' |
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| 196 | WRITE(numout,*) '~~~~~~~' |
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| 197 | WRITE(numout,*) ' Namelist namtrc_dmp : set damping parameter' |
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| 198 | WRITE(numout,*) ' mixed layer damping option nn_zdmp_tr = ', nn_zdmp_tr, '(zoom: forced to 0)' |
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| 199 | WRITE(numout,*) ' Restoration coeff file cn_resto_tr = ', cn_resto_tr |
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| 200 | ENDIF |
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| 201 | ! ! Allocate arrays |
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| 202 | IF( trc_dmp_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'trc_dmp_ini: unable to allocate arrays' ) |
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| 203 | ! |
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| 204 | IF( lzoom .AND. .NOT.lk_c1d ) nn_zdmp_tr = 0 ! restoring to climatology at closed north or south boundaries |
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| 205 | SELECT CASE ( nn_zdmp_tr ) |
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| 206 | CASE ( 0 ) ; IF(lwp) WRITE(numout,*) ' tracer damping throughout the water column' |
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| 207 | CASE ( 1 ) ; IF(lwp) WRITE(numout,*) ' no tracer damping in the turbocline (avt > 5 cm2/s)' |
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| 208 | CASE ( 2 ) ; IF(lwp) WRITE(numout,*) ' no tracer damping in the mixed layer' |
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| 209 | CASE DEFAULT |
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| 210 | WRITE(ctmp1,*) 'bad flag value for nn_zdmp_tr = ', nn_zdmp_tr |
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| 211 | CALL ctl_stop(ctmp1) |
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| 212 | END SELECT |
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| 213 | |
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| 214 | IF( .NOT.lk_c1d ) THEN |
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| 215 | IF( .NOT. ln_tradmp ) & |
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| 216 | & CALL ctl_stop( 'passive trace damping need ln_tradmp to compute damping coef.' ) |
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| 217 | ! |
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| 218 | ! ! Read damping coefficients from file |
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| 219 | !Read in mask from file |
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| 220 | CALL iom_open ( cn_resto_tr, imask) |
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| 221 | CALL iom_get ( imask, jpdom_autoglo, 'resto', restotr) |
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| 222 | CALL iom_close( imask ) |
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| 223 | ! |
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| 224 | ENDIF |
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| 225 | IF( nn_timing == 1 ) CALL timing_stop('trc_dmp_init') |
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| 226 | ! |
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| 227 | END SUBROUTINE trc_dmp_ini |
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| 228 | |
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| 229 | |
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| 230 | SUBROUTINE trc_dmp_clo( kt ) |
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| 231 | !!--------------------------------------------------------------------- |
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| 232 | !! *** ROUTINE trc_dmp_clo *** |
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| 233 | !! |
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| 234 | !! ** Purpose : Closed sea domain initialization |
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| 235 | !! |
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| 236 | !! ** Method : if a closed sea is located only in a model grid point |
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| 237 | !! we restore to initial data |
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| 238 | !! |
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| 239 | !! ** Action : nctsi1(), nctsj1() : south-west closed sea limits (i,j) |
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| 240 | !! nctsi2(), nctsj2() : north-east Closed sea limits (i,j) |
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| 241 | !!---------------------------------------------------------------------- |
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| 242 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 243 | ! |
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| 244 | INTEGER :: ji , jj, jk, jn, jl, jc ! dummy loop indicesa |
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| 245 | INTEGER :: isrow ! local index |
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| 246 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrcdta ! 3D workspace |
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| 247 | |
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| 248 | !!---------------------------------------------------------------------- |
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| 249 | |
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| 250 | IF( kt == nit000 ) THEN |
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| 251 | ! initial values |
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| 252 | nctsi1(:) = 1 ; nctsi2(:) = 1 |
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| 253 | nctsj1(:) = 1 ; nctsj2(:) = 1 |
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| 254 | |
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| 255 | ! set the closed seas (in data domain indices) |
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| 256 | ! ------------------- |
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| 257 | |
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| 258 | IF( cp_cfg == "orca" ) THEN |
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| 259 | ! |
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| 260 | SELECT CASE ( jp_cfg ) |
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| 261 | ! ! ======================= |
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| 262 | CASE ( 1 ) ! eORCA_R1 configuration |
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| 263 | ! ! ======================= |
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| 264 | isrow = 332 - jpjglo |
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| 265 | ! |
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| 266 | ! Caspian Sea |
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| 267 | nctsi1(1) = 333 ; nctsj1(1) = 243 - isrow |
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| 268 | nctsi2(1) = 342 ; nctsj2(1) = 274 - isrow |
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| 269 | ! ! Lake Superior |
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| 270 | nctsi1(2) = 198 ; nctsj1(2) = 258 - isrow |
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| 271 | nctsi2(2) = 204 ; nctsj2(2) = 262 - isrow |
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| 272 | ! ! Lake Michigan |
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| 273 | nctsi1(3) = 201 ; nctsj1(3) = 250 - isrow |
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| 274 | nctsi2(3) = 203 ; nctsj2(3) = 256 - isrow |
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| 275 | ! ! Lake Huron |
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| 276 | nctsi1(4) = 204 ; nctsj1(4) = 252 - isrow |
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| 277 | nctsi2(4) = 209 ; nctsj2(4) = 256 - isrow |
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| 278 | ! ! Lake Erie |
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| 279 | nctsi1(5) = 206 ; nctsj1(5) = 249 - isrow |
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| 280 | nctsi2(5) = 209 ; nctsj2(5) = 251 - isrow |
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| 281 | ! ! Lake Ontario |
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| 282 | nctsi1(6) = 210 ; nctsj1(6) = 252 - isrow |
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| 283 | nctsi2(6) = 212 ; nctsj2(6) = 252 - isrow |
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| 284 | ! ! Victoria Lake |
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| 285 | nctsi1(7) = 321 ; nctsj1(7) = 180 - isrow |
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| 286 | nctsi2(7) = 322 ; nctsj2(7) = 189 - isrow |
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| 287 | ! ! Baltic Sea |
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| 288 | nctsi1(8) = 297 ; nctsj1(8) = 270 - isrow |
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| 289 | nctsi2(8) = 308 ; nctsj2(8) = 293 - isrow |
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| 290 | ! |
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| 291 | ! ! ======================= |
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| 292 | CASE ( 2 ) ! ORCA_R2 configuration |
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| 293 | ! ! ======================= |
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| 294 | ! ! Caspian Sea |
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| 295 | nctsi1(1) = 11 ; nctsj1(1) = 103 |
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| 296 | nctsi2(1) = 17 ; nctsj2(1) = 112 |
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| 297 | ! ! Great North American Lakes |
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| 298 | nctsi1(2) = 97 ; nctsj1(2) = 107 |
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| 299 | nctsi2(2) = 103 ; nctsj2(2) = 111 |
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| 300 | ! ! Black Sea 1 : west part of the Black Sea |
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| 301 | nctsi1(3) = 174 ; nctsj1(3) = 107 |
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| 302 | nctsi2(3) = 181 ; nctsj2(3) = 112 |
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| 303 | ! ! Black Sea 2 : est part of the Black Sea |
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| 304 | nctsi1(4) = 2 ; nctsj1(4) = 107 |
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| 305 | nctsi2(4) = 6 ; nctsj2(4) = 112 |
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| 306 | ! ! Baltic Sea |
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| 307 | nctsi1(5) = 145 ; nctsj1(5) = 116 |
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| 308 | nctsi2(5) = 150 ; nctsj2(5) = 126 |
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| 309 | ! ! ======================= |
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| 310 | CASE ( 4 ) ! ORCA_R4 configuration |
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| 311 | ! ! ======================= |
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| 312 | ! ! Caspian Sea |
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| 313 | nctsi1(1) = 4 ; nctsj1(1) = 53 |
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| 314 | nctsi2(1) = 4 ; nctsj2(1) = 56 |
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| 315 | ! ! Great North American Lakes |
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| 316 | nctsi1(2) = 49 ; nctsj1(2) = 55 |
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| 317 | nctsi2(2) = 51 ; nctsj2(2) = 56 |
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| 318 | ! ! Black Sea |
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| 319 | nctsi1(3) = 88 ; nctsj1(3) = 55 |
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| 320 | nctsi2(3) = 91 ; nctsj2(3) = 56 |
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| 321 | ! ! Baltic Sea |
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| 322 | nctsi1(4) = 75 ; nctsj1(4) = 59 |
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| 323 | nctsi2(4) = 76 ; nctsj2(4) = 61 |
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| 324 | ! ! ======================= |
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| 325 | CASE ( 025 ) ! ORCA_R025 configuration |
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| 326 | ! ! ======================= |
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| 327 | ! Caspian + Aral sea |
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| 328 | nctsi1(1) = 1330 ; nctsj1(1) = 645 |
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| 329 | nctsi2(1) = 1400 ; nctsj2(1) = 795 |
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| 330 | ! ! Azov Sea |
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| 331 | nctsi1(2) = 1284 ; nctsj1(2) = 722 |
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| 332 | nctsi2(2) = 1304 ; nctsj2(2) = 747 |
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| 333 | ! |
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| 334 | END SELECT |
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| 335 | ! |
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| 336 | ENDIF |
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| 337 | ! |
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| 338 | |
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| 339 | ! convert the position in local domain indices |
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| 340 | ! -------------------------------------------- |
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| 341 | DO jc = 1, npncts |
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| 342 | nctsi1(jc) = mi0( nctsi1(jc) ) |
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| 343 | nctsj1(jc) = mj0( nctsj1(jc) ) |
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| 344 | |
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| 345 | nctsi2(jc) = mi1( nctsi2(jc) ) |
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| 346 | nctsj2(jc) = mj1( nctsj2(jc) ) |
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| 347 | END DO |
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| 348 | ! |
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| 349 | ENDIF |
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| 350 | |
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| 351 | ! Restore close seas values to initial data |
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| 352 | IF( ln_trcdta .AND. nb_trcdta > 0 ) THEN ! Initialisation of tracer from a file that may also be used for damping |
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| 353 | ! |
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| 354 | IF(lwp) WRITE(numout,*) |
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| 355 | IF(lwp) WRITE(numout,*) ' trc_dmp_clo : Restoring of nutrients on close seas at time-step kt = ', kt |
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| 356 | IF(lwp) WRITE(numout,*) |
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| 357 | ! |
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| 358 | CALL wrk_alloc( jpi, jpj, jpk, ztrcdta ) ! Memory allocation |
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| 359 | ! |
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| 360 | DO jn = 1, jptra |
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| 361 | IF( ln_trc_ini(jn) ) THEN ! update passive tracers arrays with input data read from file |
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| 362 | jl = n_trc_index(jn) |
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| 363 | CALL trc_dta( kt, sf_trcdta(jl), rf_trfac(jl), ztrcdta ) ! read tracer data at nit000 |
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| 364 | DO jc = 1, npncts |
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| 365 | DO jk = 1, jpkm1 |
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| 366 | DO jj = nctsj1(jc), nctsj2(jc) |
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| 367 | DO ji = nctsi1(jc), nctsi2(jc) |
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| 368 | trn(ji,jj,jk,jn) = ztrcdta(ji,jj,jk) |
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| 369 | trb(ji,jj,jk,jn) = trn(ji,jj,jk,jn) |
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| 370 | ENDDO |
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| 371 | ENDDO |
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| 372 | ENDDO |
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| 373 | ENDDO |
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| 374 | ENDIF |
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| 375 | ENDDO |
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| 376 | CALL wrk_dealloc( jpi, jpj, jpk, ztrcdta ) |
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| 377 | ENDIF |
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| 378 | ! |
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| 379 | END SUBROUTINE trc_dmp_clo |
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| 380 | |
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| 381 | |
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| 382 | #else |
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| 383 | !!---------------------------------------------------------------------- |
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| 384 | !! Dummy module : No passive tracer |
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| 385 | !!---------------------------------------------------------------------- |
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| 386 | CONTAINS |
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| 387 | SUBROUTINE trc_dmp( kt ) ! Empty routine |
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| 388 | INTEGER, INTENT(in) :: kt |
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| 389 | WRITE(*,*) 'trc_dmp: You should not have seen this print! error?', kt |
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| 390 | END SUBROUTINE trc_dmp |
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| 391 | #endif |
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| 392 | |
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| 393 | !!====================================================================== |
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| 394 | END MODULE trcdmp |
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