[458] | 1 | MODULE traadv |
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| 2 | !!============================================================================== |
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| 3 | !! *** MODULE traadv *** |
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| 4 | !! Ocean active tracers: advection trend |
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| 5 | !!============================================================================== |
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[2528] | 6 | !! History : 2.0 ! 2005-11 (G. Madec) Original code |
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| 7 | !! 3.3 ! 2010-09 (C. Ethe, G. Madec) merge TRC-TRA + switch from velocity to transport |
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[5836] | 8 | !! 3.6 ! 2011-06 (G. Madec) Addition of Mixed Layer Eddy parameterisation |
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| 9 | !! 3.7 ! 2014-05 (G. Madec) Add 2nd/4th order cases for CEN and FCT schemes |
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| 10 | !! - ! 2014-12 (G. Madec) suppression of cross land advection option |
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[7646] | 11 | !! 3.6 ! 2015-06 (E. Clementi) Addition of Stokes drift in case of wave coupling |
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[458] | 12 | !!---------------------------------------------------------------------- |
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[503] | 13 | |
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| 14 | !!---------------------------------------------------------------------- |
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[5836] | 15 | !! tra_adv : compute ocean tracer advection trend |
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| 16 | !! tra_adv_ctl : control the different options of advection scheme |
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[458] | 17 | !!---------------------------------------------------------------------- |
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[5836] | 18 | USE oce ! ocean dynamics and active tracers |
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| 19 | USE dom_oce ! ocean space and time domain |
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| 20 | USE domvvl ! variable vertical scale factors |
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| 21 | USE traadv_cen ! centered scheme (tra_adv_cen routine) |
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| 22 | USE traadv_fct ! FCT scheme (tra_adv_fct routine) |
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| 23 | USE traadv_mus ! MUSCL scheme (tra_adv_mus routine) |
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| 24 | USE traadv_ubs ! UBS scheme (tra_adv_ubs routine) |
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| 25 | USE traadv_qck ! QUICKEST scheme (tra_adv_qck routine) |
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| 26 | USE traadv_mle ! ML eddy induced velocity (tra_adv_mle routine) |
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| 27 | USE ldftra ! lateral diffusion: eddy diffusivity & EIV coeff. |
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| 28 | USE ldfslp ! Lateral diffusion: slopes of neutral surfaces |
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[7646] | 29 | USE trd_oce ! trends: ocean variables |
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| 30 | USE trdtra ! trends manager: tracers |
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[5147] | 31 | ! |
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[5836] | 32 | USE in_out_manager ! I/O manager |
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| 33 | USE iom ! I/O module |
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| 34 | USE prtctl ! Print control |
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| 35 | USE lib_mpp ! MPP library |
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| 36 | USE wrk_nemo ! Memory Allocation |
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| 37 | USE timing ! Timing |
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[7646] | 38 | USE sbcwave ! wave module |
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| 39 | USE sbc_oce ! surface boundary condition: ocean |
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| 40 | USE diaptr ! Poleward heat transport |
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[5836] | 41 | |
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[458] | 42 | IMPLICIT NONE |
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| 43 | PRIVATE |
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| 44 | |
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[2528] | 45 | PUBLIC tra_adv ! routine called by step module |
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| 46 | PUBLIC tra_adv_init ! routine called by opa module |
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[8661] | 47 | |
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[5836] | 48 | ! !!* Namelist namtra_adv * |
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| 49 | LOGICAL :: ln_traadv_cen ! centered scheme flag |
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| 50 | INTEGER :: nn_cen_h, nn_cen_v ! =2/4 : horizontal and vertical choices of the order of CEN scheme |
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| 51 | LOGICAL :: ln_traadv_fct ! FCT scheme flag |
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| 52 | INTEGER :: nn_fct_h, nn_fct_v ! =2/4 : horizontal and vertical choices of the order of FCT scheme |
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| 53 | INTEGER :: nn_fct_zts ! >=1 : 2nd order FCT with vertical sub-timestepping |
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| 54 | LOGICAL :: ln_traadv_mus ! MUSCL scheme flag |
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| 55 | LOGICAL :: ln_mus_ups ! use upstream scheme in vivcinity of river mouths |
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| 56 | LOGICAL :: ln_traadv_ubs ! UBS scheme flag |
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| 57 | INTEGER :: nn_ubs_v ! =2/4 : vertical choice of the order of UBS scheme |
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| 58 | LOGICAL :: ln_traadv_qck ! QUICKEST scheme flag |
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[458] | 59 | |
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[5836] | 60 | INTEGER :: nadv ! choice of the type of advection scheme |
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| 61 | ! |
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| 62 | ! ! associated indices: |
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| 63 | INTEGER, PARAMETER :: np_NO_adv = 0 ! no T-S advection |
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| 64 | INTEGER, PARAMETER :: np_CEN = 1 ! 2nd/4th order centered scheme |
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| 65 | INTEGER, PARAMETER :: np_FCT = 2 ! 2nd/4th order Flux Corrected Transport scheme |
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| 66 | INTEGER, PARAMETER :: np_FCT_zts = 3 ! 2nd order FCT scheme with vertical sub-timestepping |
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| 67 | INTEGER, PARAMETER :: np_MUS = 4 ! MUSCL scheme |
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| 68 | INTEGER, PARAMETER :: np_UBS = 5 ! 3rd order Upstream Biased Scheme |
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| 69 | INTEGER, PARAMETER :: np_QCK = 6 ! QUICK scheme |
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| 70 | |
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[458] | 71 | !! * Substitutions |
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[503] | 72 | # include "vectopt_loop_substitute.h90" |
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[458] | 73 | !!---------------------------------------------------------------------- |
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[5836] | 74 | !! NEMO/OPA 3.7 , NEMO Consortium (2014) |
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[2528] | 75 | !! $Id$ |
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| 76 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[458] | 77 | !!---------------------------------------------------------------------- |
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| 78 | CONTAINS |
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| 79 | |
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| 80 | SUBROUTINE tra_adv( kt ) |
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| 81 | !!---------------------------------------------------------------------- |
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| 82 | !! *** ROUTINE tra_adv *** |
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| 83 | !! |
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| 84 | !! ** Purpose : compute the ocean tracer advection trend. |
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| 85 | !! |
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[503] | 86 | !! ** Method : - Update (ua,va) with the advection term following nadv |
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[458] | 87 | !!---------------------------------------------------------------------- |
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[503] | 88 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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[2528] | 89 | ! |
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[7753] | 90 | INTEGER :: jk ! dummy loop index |
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[3294] | 91 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zun, zvn, zwn |
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[7646] | 92 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrdt, ztrds ! 3D workspace |
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[458] | 93 | !!---------------------------------------------------------------------- |
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[2715] | 94 | ! |
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[3294] | 95 | IF( nn_timing == 1 ) CALL timing_start('tra_adv') |
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| 96 | ! |
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[5836] | 97 | CALL wrk_alloc( jpi,jpj,jpk, zun, zvn, zwn ) |
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| 98 | ! |
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[2528] | 99 | ! ! set time step |
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[7753] | 100 | zun(:,:,:) = 0.0 |
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| 101 | zvn(:,:,:) = 0.0 |
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| 102 | zwn(:,:,:) = 0.0 |
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[7646] | 103 | ! |
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[2528] | 104 | IF( neuler == 0 .AND. kt == nit000 ) THEN ! at nit000 |
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[6140] | 105 | r2dt = rdt ! = rdt (restarting with Euler time stepping) |
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[2528] | 106 | ELSEIF( kt <= nit000 + 1) THEN ! at nit000 or nit000+1 |
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[6140] | 107 | r2dt = 2._wp * rdt ! = 2 rdt (leapfrog) |
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[458] | 108 | ENDIF |
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[2528] | 109 | ! |
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[5836] | 110 | ! !== effective transport ==! |
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[7646] | 111 | IF( ln_wave .AND. ln_sdw ) THEN |
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| 112 | DO jk = 1, jpkm1 ! eulerian transport + Stokes Drift |
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[7753] | 113 | zun(:,:,jk) = e2u (:,:) * e3u_n(:,:,jk) * ( un(:,:,jk) + usd(:,:,jk) ) |
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| 114 | zvn(:,:,jk) = e1v (:,:) * e3v_n(:,:,jk) * ( vn(:,:,jk) + vsd(:,:,jk) ) |
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| 115 | zwn(:,:,jk) = e1e2t(:,:) * ( wn(:,:,jk) + wsd(:,:,jk) ) |
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[7646] | 116 | END DO |
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| 117 | ELSE |
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| 118 | DO jk = 1, jpkm1 |
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[7753] | 119 | zun(:,:,jk) = e2u (:,:) * e3u_n(:,:,jk) * un(:,:,jk) ! eulerian transport only |
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| 120 | zvn(:,:,jk) = e1v (:,:) * e3v_n(:,:,jk) * vn(:,:,jk) |
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| 121 | zwn(:,:,jk) = e1e2t(:,:) * wn(:,:,jk) |
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[7646] | 122 | END DO |
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| 123 | ENDIF |
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[4292] | 124 | ! |
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[5836] | 125 | IF( ln_vvl_ztilde .OR. ln_vvl_layer ) THEN ! add z-tilde and/or vvl corrections |
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[7753] | 126 | zun(:,:,:) = zun(:,:,:) + un_td(:,:,:) |
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| 127 | zvn(:,:,:) = zvn(:,:,:) + vn_td(:,:,:) |
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[4292] | 128 | ENDIF |
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| 129 | ! |
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[7753] | 130 | zun(:,:,jpk) = 0._wp ! no transport trough the bottom |
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| 131 | zvn(:,:,jpk) = 0._wp |
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| 132 | zwn(:,:,jpk) = 0._wp |
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[2528] | 133 | ! |
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[5836] | 134 | IF( ln_ldfeiv .AND. .NOT. ln_traldf_triad ) & |
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| 135 | & CALL ldf_eiv_trp( kt, nit000, zun, zvn, zwn, 'TRA' ) ! add the eiv transport (if necessary) |
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[2528] | 136 | ! |
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[5836] | 137 | IF( ln_mle ) CALL tra_adv_mle( kt, nit000, zun, zvn, zwn, 'TRA' ) ! add the mle transport (if necessary) |
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[5147] | 138 | ! |
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[5836] | 139 | CALL iom_put( "uocetr_eff", zun ) ! output effective transport |
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[2561] | 140 | CALL iom_put( "vocetr_eff", zvn ) |
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| 141 | CALL iom_put( "wocetr_eff", zwn ) |
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[5147] | 142 | ! |
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[5836] | 143 | !!gm ??? |
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| 144 | IF( ln_diaptr ) CALL dia_ptr( zvn ) ! diagnose the effective MSF |
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| 145 | !!gm ??? |
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[5147] | 146 | ! |
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[7646] | 147 | IF( l_trdtra ) THEN !* Save ta and sa trends |
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| 148 | CALL wrk_alloc( jpi, jpj, jpk, ztrdt, ztrds ) |
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[7753] | 149 | ztrdt(:,:,:) = tsa(:,:,:,jp_tem) |
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| 150 | ztrds(:,:,:) = tsa(:,:,:,jp_sal) |
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[7646] | 151 | ENDIF |
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| 152 | ! |
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[5836] | 153 | SELECT CASE ( nadv ) !== compute advection trend and add it to general trend ==! |
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[503] | 154 | ! |
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[5836] | 155 | CASE ( np_CEN ) ! Centered scheme : 2nd / 4th order |
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| 156 | CALL tra_adv_cen ( kt, nit000, 'TRA', zun, zvn, zwn , tsn, tsa, jpts, nn_cen_h, nn_cen_v ) |
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| 157 | CASE ( np_FCT ) ! FCT scheme : 2nd / 4th order |
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[6140] | 158 | CALL tra_adv_fct ( kt, nit000, 'TRA', r2dt, zun, zvn, zwn, tsb, tsn, tsa, jpts, nn_fct_h, nn_fct_v ) |
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[5836] | 159 | CASE ( np_FCT_zts ) ! 2nd order FCT with vertical time-splitting |
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[6140] | 160 | CALL tra_adv_fct_zts( kt, nit000, 'TRA', r2dt, zun, zvn, zwn, tsb, tsn, tsa, jpts , nn_fct_zts ) |
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[5836] | 161 | CASE ( np_MUS ) ! MUSCL |
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[6140] | 162 | CALL tra_adv_mus ( kt, nit000, 'TRA', r2dt, zun, zvn, zwn, tsb, tsa, jpts , ln_mus_ups ) |
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[5836] | 163 | CASE ( np_UBS ) ! UBS |
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[6140] | 164 | CALL tra_adv_ubs ( kt, nit000, 'TRA', r2dt, zun, zvn, zwn, tsb, tsn, tsa, jpts , nn_ubs_v ) |
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[5836] | 165 | CASE ( np_QCK ) ! QUICKEST |
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[6140] | 166 | CALL tra_adv_qck ( kt, nit000, 'TRA', r2dt, zun, zvn, zwn, tsb, tsn, tsa, jpts ) |
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[5836] | 167 | ! |
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[458] | 168 | END SELECT |
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[2528] | 169 | ! |
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[7646] | 170 | IF( l_trdtra ) THEN ! save the advective trends for further diagnostics |
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| 171 | DO jk = 1, jpkm1 |
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[7753] | 172 | ztrdt(:,:,jk) = tsa(:,:,jk,jp_tem) - ztrdt(:,:,jk) |
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| 173 | ztrds(:,:,jk) = tsa(:,:,jk,jp_sal) - ztrds(:,:,jk) |
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[7646] | 174 | END DO |
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| 175 | CALL trd_tra( kt, 'TRA', jp_tem, jptra_totad, ztrdt ) |
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| 176 | CALL trd_tra( kt, 'TRA', jp_sal, jptra_totad, ztrds ) |
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| 177 | CALL wrk_dealloc( jpi, jpj, jpk, ztrdt, ztrds ) |
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| 178 | ENDIF |
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| 179 | ! ! print mean trends (used for debugging) |
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[2528] | 180 | IF(ln_ctl) CALL prt_ctl( tab3d_1=tsa(:,:,:,jp_tem), clinfo1=' adv - Ta: ', mask1=tmask, & |
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| 181 | & tab3d_2=tsa(:,:,:,jp_sal), clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) |
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[503] | 182 | ! |
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[4245] | 183 | IF( nn_timing == 1 ) CALL timing_stop( 'tra_adv' ) |
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[2715] | 184 | ! |
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[5836] | 185 | CALL wrk_dealloc( jpi,jpj,jpk, zun, zvn, zwn ) |
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[3294] | 186 | ! |
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[458] | 187 | END SUBROUTINE tra_adv |
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| 188 | |
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| 189 | |
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[2528] | 190 | SUBROUTINE tra_adv_init |
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[458] | 191 | !!--------------------------------------------------------------------- |
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[2528] | 192 | !! *** ROUTINE tra_adv_init *** |
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[458] | 193 | !! |
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[503] | 194 | !! ** Purpose : Control the consistency between namelist options for |
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| 195 | !! tracer advection schemes and set nadv |
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[458] | 196 | !!---------------------------------------------------------------------- |
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[5836] | 197 | INTEGER :: ioptio, ios ! Local integers |
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| 198 | ! |
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| 199 | NAMELIST/namtra_adv/ ln_traadv_cen, nn_cen_h, nn_cen_v, & ! CEN |
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| 200 | & ln_traadv_fct, nn_fct_h, nn_fct_v, nn_fct_zts, & ! FCT |
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| 201 | & ln_traadv_mus, ln_mus_ups, & ! MUSCL |
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| 202 | & ln_traadv_ubs, nn_ubs_v, & ! UBS |
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| 203 | & ln_traadv_qck ! QCK |
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[458] | 204 | !!---------------------------------------------------------------------- |
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[5836] | 205 | ! |
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| 206 | ! !== Namelist ==! |
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| 207 | REWIND( numnam_ref ) ! Namelist namtra_adv in reference namelist : Tracer advection scheme |
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[4147] | 208 | READ ( numnam_ref, namtra_adv, IOSTAT = ios, ERR = 901) |
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[6140] | 209 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtra_adv in reference namelist', lwp ) |
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[5836] | 210 | ! |
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| 211 | REWIND( numnam_cfg ) ! Namelist namtra_adv in configuration namelist : Tracer advection scheme |
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[4147] | 212 | READ ( numnam_cfg, namtra_adv, IOSTAT = ios, ERR = 902 ) |
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[6140] | 213 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtra_adv in configuration namelist', lwp ) |
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| 214 | IF(lwm) WRITE( numond, namtra_adv ) |
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| 215 | ! |
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[5836] | 216 | IF(lwp) THEN ! Namelist print |
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[458] | 217 | WRITE(numout,*) |
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[2528] | 218 | WRITE(numout,*) 'tra_adv_init : choice/control of the tracer advection scheme' |
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[458] | 219 | WRITE(numout,*) '~~~~~~~~~~~' |
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[1601] | 220 | WRITE(numout,*) ' Namelist namtra_adv : chose a advection scheme for tracers' |
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[5836] | 221 | WRITE(numout,*) ' centered scheme ln_traadv_cen = ', ln_traadv_cen |
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| 222 | WRITE(numout,*) ' horizontal 2nd/4th order nn_cen_h = ', nn_fct_h |
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| 223 | WRITE(numout,*) ' vertical 2nd/4th order nn_cen_v = ', nn_fct_v |
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| 224 | WRITE(numout,*) ' Flux Corrected Transport scheme ln_traadv_fct = ', ln_traadv_fct |
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| 225 | WRITE(numout,*) ' horizontal 2nd/4th order nn_fct_h = ', nn_fct_h |
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| 226 | WRITE(numout,*) ' vertical 2nd/4th order nn_fct_v = ', nn_fct_v |
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| 227 | WRITE(numout,*) ' 2nd order + vertical sub-timestepping nn_fct_zts = ', nn_fct_zts |
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| 228 | WRITE(numout,*) ' MUSCL scheme ln_traadv_mus = ', ln_traadv_mus |
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| 229 | WRITE(numout,*) ' + upstream scheme near river mouths ln_mus_ups = ', ln_mus_ups |
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| 230 | WRITE(numout,*) ' UBS scheme ln_traadv_ubs = ', ln_traadv_ubs |
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| 231 | WRITE(numout,*) ' vertical 2nd/4th order nn_ubs_v = ', nn_ubs_v |
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| 232 | WRITE(numout,*) ' QUICKEST scheme ln_traadv_qck = ', ln_traadv_qck |
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[2528] | 233 | ENDIF |
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[6140] | 234 | ! |
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[5836] | 235 | ioptio = 0 !== Parameter control ==! |
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| 236 | IF( ln_traadv_cen ) ioptio = ioptio + 1 |
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| 237 | IF( ln_traadv_fct ) ioptio = ioptio + 1 |
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| 238 | IF( ln_traadv_mus ) ioptio = ioptio + 1 |
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| 239 | IF( ln_traadv_ubs ) ioptio = ioptio + 1 |
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| 240 | IF( ln_traadv_qck ) ioptio = ioptio + 1 |
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| 241 | ! |
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| 242 | IF( ioptio == 0 ) THEN |
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| 243 | nadv = np_NO_adv |
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| 244 | CALL ctl_warn( 'tra_adv_init: You are running without tracer advection.' ) |
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| 245 | ENDIF |
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[6140] | 246 | IF( ioptio /= 1 ) CALL ctl_stop( 'tra_adv_init: Choose ONE advection scheme in namelist namtra_adv' ) |
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[5836] | 247 | ! |
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| 248 | IF( ln_traadv_cen .AND. ( nn_cen_h /= 2 .AND. nn_cen_h /= 4 ) & ! Centered |
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| 249 | .AND. ( nn_cen_v /= 2 .AND. nn_cen_v /= 4 ) ) THEN |
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| 250 | CALL ctl_stop( 'tra_adv_init: CEN scheme, choose 2nd or 4th order' ) |
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| 251 | ENDIF |
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| 252 | IF( ln_traadv_fct .AND. ( nn_fct_h /= 2 .AND. nn_fct_h /= 4 ) & ! FCT |
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| 253 | .AND. ( nn_fct_v /= 2 .AND. nn_fct_v /= 4 ) ) THEN |
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| 254 | CALL ctl_stop( 'tra_adv_init: FCT scheme, choose 2nd or 4th order' ) |
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| 255 | ENDIF |
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| 256 | IF( ln_traadv_fct .AND. nn_fct_zts > 0 ) THEN |
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| 257 | IF( nn_fct_h == 4 ) THEN |
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| 258 | nn_fct_h = 2 |
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| 259 | CALL ctl_stop( 'tra_adv_init: force 2nd order FCT scheme, 4th order does not exist with sub-timestepping' ) |
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| 260 | ENDIF |
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[6140] | 261 | IF( .NOT.ln_linssh ) THEN |
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[5836] | 262 | CALL ctl_stop( 'tra_adv_init: vertical sub-timestepping not allow in non-linear free surface' ) |
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| 263 | ENDIF |
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| 264 | IF( nn_fct_zts == 1 ) CALL ctl_warn( 'tra_adv_init: FCT with ONE sub-timestep = FCT without sub-timestep' ) |
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| 265 | ENDIF |
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| 266 | IF( ln_traadv_ubs .AND. ( nn_ubs_v /= 2 .AND. nn_ubs_v /= 4 ) ) THEN ! UBS |
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| 267 | CALL ctl_stop( 'tra_adv_init: UBS scheme, choose 2nd or 4th order' ) |
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| 268 | ENDIF |
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| 269 | IF( ln_traadv_ubs .AND. nn_ubs_v == 4 ) THEN |
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| 270 | CALL ctl_warn( 'tra_adv_init: UBS scheme, only 2nd FCT scheme available on the vertical. It will be used' ) |
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| 271 | ENDIF |
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| 272 | IF( ln_isfcav ) THEN ! ice-shelf cavities |
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[6140] | 273 | IF( ln_traadv_cen .AND. nn_cen_v == 4 .OR. & ! NO 4th order with ISF |
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| 274 | & ln_traadv_fct .AND. nn_fct_v == 4 ) CALL ctl_stop( 'tra_adv_init: 4th order COMPACT scheme not allowed with ISF' ) |
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[5836] | 275 | ENDIF |
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| 276 | ! |
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| 277 | ! !== used advection scheme ==! |
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| 278 | ! ! set nadv |
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| 279 | IF( ln_traadv_cen ) nadv = np_CEN |
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| 280 | IF( ln_traadv_fct ) nadv = np_FCT |
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| 281 | IF( ln_traadv_fct .AND. nn_fct_zts > 0 ) nadv = np_FCT_zts |
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| 282 | IF( ln_traadv_mus ) nadv = np_MUS |
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| 283 | IF( ln_traadv_ubs ) nadv = np_UBS |
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| 284 | IF( ln_traadv_qck ) nadv = np_QCK |
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[6140] | 285 | ! |
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[5836] | 286 | IF(lwp) THEN ! Print the choice |
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[503] | 287 | WRITE(numout,*) |
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[6140] | 288 | SELECT CASE ( nadv ) |
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[7646] | 289 | CASE( np_NO_adv ) ; WRITE(numout,*) ' ===>> NO T-S advection' |
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| 290 | CASE( np_CEN ) ; WRITE(numout,*) ' ===>> CEN scheme is used. Horizontal order: ', nn_cen_h, & |
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[6140] | 291 | & ' Vertical order: ', nn_cen_v |
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[7646] | 292 | CASE( np_FCT ) ; WRITE(numout,*) ' ===>> FCT scheme is used. Horizontal order: ', nn_fct_h, & |
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[6140] | 293 | & ' Vertical order: ', nn_fct_v |
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[7646] | 294 | CASE( np_FCT_zts ) ; WRITE(numout,*) ' ===>> use 2nd order FCT with ', nn_fct_zts,'vertical sub-timestepping' |
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| 295 | CASE( np_MUS ) ; WRITE(numout,*) ' ===>> MUSCL scheme is used' |
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| 296 | CASE( np_UBS ) ; WRITE(numout,*) ' ===>> UBS scheme is used' |
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| 297 | CASE( np_QCK ) ; WRITE(numout,*) ' ===>> QUICKEST scheme is used' |
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[6140] | 298 | END SELECT |
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[458] | 299 | ENDIF |
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[503] | 300 | ! |
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[5836] | 301 | CALL tra_adv_mle_init !== initialisation of the Mixed Layer Eddy parametrisation (MLE) ==! |
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[4245] | 302 | ! |
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[2528] | 303 | END SUBROUTINE tra_adv_init |
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[458] | 304 | |
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| 305 | !!====================================================================== |
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| 306 | END MODULE traadv |
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