[456] | 1 | MODULE dynzdf |
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| 2 | !!============================================================================== |
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| 3 | !! *** MODULE dynzdf *** |
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| 4 | !! Ocean dynamics : vertical component of the momentum mixing trend |
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| 5 | !!============================================================================== |
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[2528] | 6 | !! History : 1.0 ! 2005-11 (G. Madec) Original code |
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| 7 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
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[456] | 8 | !!---------------------------------------------------------------------- |
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[503] | 9 | |
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| 10 | !!---------------------------------------------------------------------- |
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[456] | 11 | !! dyn_zdf : Update the momentum trend with the vertical diffusion |
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[2528] | 12 | !! dyn_zdf_init : initializations of the vertical diffusion scheme |
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[456] | 13 | !!---------------------------------------------------------------------- |
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| 14 | USE oce ! ocean dynamics and tracers variables |
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| 15 | USE dom_oce ! ocean space and time domain variables |
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| 16 | USE zdf_oce ! ocean vertical physics variables |
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| 17 | |
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| 18 | USE dynzdf_exp ! vertical diffusion: explicit (dyn_zdf_exp routine) |
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| 19 | USE dynzdf_imp ! vertical diffusion: implicit (dyn_zdf_imp routine) |
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| 20 | |
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| 21 | USE ldfdyn_oce ! ocean dynamics: lateral physics |
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[4990] | 22 | USE trd_oce ! trends: ocean variables |
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| 23 | USE trddyn ! trend manager: dynamics |
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[456] | 24 | USE in_out_manager ! I/O manager |
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[2715] | 25 | USE lib_mpp ! MPP library |
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[456] | 26 | USE prtctl ! Print control |
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[3294] | 27 | USE wrk_nemo ! Memory Allocation |
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| 28 | USE timing ! Timing |
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[456] | 29 | |
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[11738] | 30 | USE yomhook, ONLY: lhook, dr_hook |
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| 31 | USE parkind1, ONLY: jprb, jpim |
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| 32 | |
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[456] | 33 | IMPLICIT NONE |
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| 34 | PRIVATE |
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| 35 | |
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[2528] | 36 | PUBLIC dyn_zdf ! routine called by step.F90 |
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| 37 | PUBLIC dyn_zdf_init ! routine called by opa.F90 |
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[456] | 38 | |
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[2528] | 39 | INTEGER :: nzdf = 0 ! type vertical diffusion algorithm used, defined from ln_zdf... namlist logicals |
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| 40 | REAL(wp) :: r2dt ! time-step, = 2 rdttra except at nit000 (=rdttra) if neuler=0 |
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[456] | 41 | |
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| 42 | !! * Substitutions |
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| 43 | # include "domzgr_substitute.h90" |
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| 44 | # include "zdfddm_substitute.h90" |
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| 45 | # include "vectopt_loop_substitute.h90" |
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| 46 | !!---------------------------------------------------------------------- |
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[2528] | 47 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1152] | 48 | !! $Id$ |
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[2528] | 49 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[456] | 50 | !!---------------------------------------------------------------------- |
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| 51 | |
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| 52 | CONTAINS |
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| 53 | |
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| 54 | SUBROUTINE dyn_zdf( kt ) |
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| 55 | !!---------------------------------------------------------------------- |
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| 56 | !! *** ROUTINE dyn_zdf *** |
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| 57 | !! |
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| 58 | !! ** Purpose : compute the vertical ocean dynamics physics. |
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| 59 | !!--------------------------------------------------------------------- |
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[2715] | 60 | !! |
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[456] | 61 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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[3294] | 62 | ! |
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| 63 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrdu, ztrdv |
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[11738] | 64 | INTEGER(KIND=jpim), PARAMETER :: zhook_in = 0 |
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| 65 | INTEGER(KIND=jpim), PARAMETER :: zhook_out = 1 |
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| 66 | REAL(KIND=jprb) :: zhook_handle |
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| 67 | |
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| 68 | CHARACTER(LEN=*), PARAMETER :: RoutineName='DYN_ZDF' |
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| 69 | |
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| 70 | IF (lhook) CALL dr_hook(RoutineName,zhook_in,zhook_handle) |
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| 71 | |
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[456] | 72 | !!--------------------------------------------------------------------- |
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[3294] | 73 | ! |
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| 74 | IF( nn_timing == 1 ) CALL timing_start('dyn_zdf') |
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| 75 | ! |
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[456] | 76 | ! ! set time step |
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[2528] | 77 | IF( neuler == 0 .AND. kt == nit000 ) THEN ; r2dt = rdt ! = rdtra (restart with Euler time stepping) |
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| 78 | ELSEIF( kt <= nit000 + 1 ) THEN ; r2dt = 2. * rdt ! = 2 rdttra (leapfrog) |
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[456] | 79 | ENDIF |
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| 80 | |
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| 81 | IF( l_trddyn ) THEN ! temporary save of ta and sa trends |
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[3294] | 82 | CALL wrk_alloc( jpi, jpj, jpk, ztrdu, ztrdv ) |
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[456] | 83 | ztrdu(:,:,:) = ua(:,:,:) |
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| 84 | ztrdv(:,:,:) = va(:,:,:) |
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| 85 | ENDIF |
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| 86 | |
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| 87 | SELECT CASE ( nzdf ) ! compute lateral mixing trend and add it to the general trend |
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[503] | 88 | ! |
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[2528] | 89 | CASE ( 0 ) ; CALL dyn_zdf_exp( kt, r2dt ) ! explicit scheme |
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| 90 | CASE ( 1 ) ; CALL dyn_zdf_imp( kt, r2dt ) ! implicit scheme |
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[503] | 91 | ! |
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[2715] | 92 | CASE ( -1 ) ! esopa: test all possibility with control print |
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[2528] | 93 | CALL dyn_zdf_exp( kt, r2dt ) |
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[684] | 94 | CALL prt_ctl( tab3d_1=ua, clinfo1=' zdf0 - Ua: ', mask1=umask, & |
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[2715] | 95 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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[2528] | 96 | CALL dyn_zdf_imp( kt, r2dt ) |
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[684] | 97 | CALL prt_ctl( tab3d_1=ua, clinfo1=' zdf1 - Ua: ', mask1=umask, & |
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[2715] | 98 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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[456] | 99 | END SELECT |
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| 100 | |
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[503] | 101 | IF( l_trddyn ) THEN ! save the vertical diffusive trends for further diagnostics |
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[456] | 102 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 103 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 104 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_zdf, kt ) |
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[3294] | 105 | CALL wrk_dealloc( jpi, jpj, jpk, ztrdu, ztrdv ) |
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[456] | 106 | ENDIF |
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| 107 | ! ! print mean trends (used for debugging) |
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| 108 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' zdf - Ua: ', mask1=umask, & |
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| 109 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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[503] | 110 | ! |
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[3294] | 111 | IF( nn_timing == 1 ) CALL timing_stop('dyn_zdf') |
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[2715] | 112 | ! |
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[11738] | 113 | IF (lhook) CALL dr_hook(RoutineName,zhook_out,zhook_handle) |
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[456] | 114 | END SUBROUTINE dyn_zdf |
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| 115 | |
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| 116 | |
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[2528] | 117 | SUBROUTINE dyn_zdf_init |
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[456] | 118 | !!---------------------------------------------------------------------- |
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[2528] | 119 | !! *** ROUTINE dyn_zdf_init *** |
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[456] | 120 | !! |
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[503] | 121 | !! ** Purpose : initializations of the vertical diffusion scheme |
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[456] | 122 | !! |
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| 123 | !! ** Method : implicit (euler backward) scheme (default) |
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| 124 | !! explicit (time-splitting) scheme if ln_zdfexp=T |
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| 125 | !!---------------------------------------------------------------------- |
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| 126 | USE zdftke |
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[2528] | 127 | USE zdfgls |
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[456] | 128 | USE zdfkpp |
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[11738] | 129 | INTEGER(KIND=jpim), PARAMETER :: zhook_in = 0 |
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| 130 | INTEGER(KIND=jpim), PARAMETER :: zhook_out = 1 |
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| 131 | REAL(KIND=jprb) :: zhook_handle |
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| 132 | |
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| 133 | CHARACTER(LEN=*), PARAMETER :: RoutineName='DYN_ZDF_INIT' |
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| 134 | |
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| 135 | IF (lhook) CALL dr_hook(RoutineName,zhook_in,zhook_handle) |
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| 136 | |
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[456] | 137 | !!---------------------------------------------------------------------- |
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[2528] | 138 | ! |
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[456] | 139 | ! Choice from ln_zdfexp read in namelist in zdfini |
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[503] | 140 | IF( ln_zdfexp ) THEN ; nzdf = 0 ! use explicit scheme |
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| 141 | ELSE ; nzdf = 1 ! use implicit scheme |
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[456] | 142 | ENDIF |
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[2528] | 143 | ! |
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[456] | 144 | ! Force implicit schemes |
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[2528] | 145 | IF( lk_zdftke .OR. lk_zdfgls .OR. lk_zdfkpp ) nzdf = 1 ! TKE, GLS or KPP physics |
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| 146 | IF( ln_dynldf_iso ) nzdf = 1 ! iso-neutral lateral physics |
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| 147 | IF( ln_dynldf_hor .AND. ln_sco ) nzdf = 1 ! horizontal lateral physics in s-coordinate |
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| 148 | ! |
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[503] | 149 | IF( lk_esopa ) nzdf = -1 ! Esopa key: All schemes used |
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[2528] | 150 | ! |
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[503] | 151 | IF(lwp) THEN ! Print the choice |
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[456] | 152 | WRITE(numout,*) |
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[2528] | 153 | WRITE(numout,*) 'dyn_zdf_init : vertical dynamics physics scheme' |
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[456] | 154 | WRITE(numout,*) '~~~~~~~~~~~' |
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| 155 | IF( nzdf == -1 ) WRITE(numout,*) ' ESOPA test All scheme used' |
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| 156 | IF( nzdf == 0 ) WRITE(numout,*) ' Explicit time-splitting scheme' |
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| 157 | IF( nzdf == 1 ) WRITE(numout,*) ' Implicit (euler backward) scheme' |
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| 158 | ENDIF |
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[503] | 159 | ! |
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[11738] | 160 | IF (lhook) CALL dr_hook(RoutineName,zhook_out,zhook_handle) |
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[2528] | 161 | END SUBROUTINE dyn_zdf_init |
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[456] | 162 | |
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| 163 | !!============================================================================== |
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| 164 | END MODULE dynzdf |
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