[3] | 1 | MODULE dynvor |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE dynvor *** |
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| 4 | !! Ocean dynamics: Update the momentum trend with the relative and |
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| 5 | !! planetary vorticity trends |
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| 6 | !!====================================================================== |
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[2715] | 7 | !! History : OPA ! 1989-12 (P. Andrich) vor_ens: Original code |
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| 8 | !! 5.0 ! 1991-11 (G. Madec) vor_ene, vor_mix: Original code |
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| 9 | !! 6.0 ! 1996-01 (G. Madec) s-coord, suppress work arrays |
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| 10 | !! NEMO 0.5 ! 2002-08 (G. Madec) F90: Free form and module |
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| 11 | !! 1.0 ! 2004-02 (G. Madec) vor_een: Original code |
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| 12 | !! - ! 2003-08 (G. Madec) add vor_ctl |
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| 13 | !! - ! 2005-11 (G. Madec) add dyn_vor (new step architecture) |
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| 14 | !! 2.0 ! 2006-11 (G. Madec) flux form advection: add metric term |
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| 15 | !! 3.2 ! 2009-04 (R. Benshila) vvl: correction of een scheme |
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| 16 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
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[4990] | 17 | !! 3.7 ! 2014-04 (G. Madec) trend simplification: suppress jpdyn_trd_dat vorticity |
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[5836] | 18 | !! - ! 2014-06 (G. Madec) suppression of velocity curl from in-core memory |
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[7646] | 19 | !! - ! 2016-12 (G. Madec, E. Clementi) add Stokes-Coriolis trends (ln_stcor=T) |
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[503] | 20 | !!---------------------------------------------------------------------- |
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[3] | 21 | |
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| 22 | !!---------------------------------------------------------------------- |
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[2528] | 23 | !! dyn_vor : Update the momentum trend with the vorticity trend |
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| 24 | !! vor_ens : enstrophy conserving scheme (ln_dynvor_ens=T) |
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| 25 | !! vor_ene : energy conserving scheme (ln_dynvor_ene=T) |
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| 26 | !! vor_een : energy and enstrophy conserving (ln_dynvor_een=T) |
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| 27 | !! dyn_vor_init : set and control of the different vorticity option |
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[3] | 28 | !!---------------------------------------------------------------------- |
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[503] | 29 | USE oce ! ocean dynamics and tracers |
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| 30 | USE dom_oce ! ocean space and time domain |
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[3294] | 31 | USE dommsk ! ocean mask |
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[643] | 32 | USE dynadv ! momentum advection (use ln_dynadv_vec value) |
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[4990] | 33 | USE trd_oce ! trends: ocean variables |
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| 34 | USE trddyn ! trend manager: dynamics |
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[7646] | 35 | USE sbcwave ! Surface Waves (add Stokes-Coriolis force) |
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| 36 | USE sbc_oce , ONLY : ln_stcor ! use Stoke-Coriolis force |
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[5836] | 37 | ! |
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[503] | 38 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 39 | USE prtctl ! Print control |
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| 40 | USE in_out_manager ! I/O manager |
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[3294] | 41 | USE lib_mpp ! MPP library |
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| 42 | USE wrk_nemo ! Memory Allocation |
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| 43 | USE timing ! Timing |
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[3] | 44 | |
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[3294] | 45 | |
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[3] | 46 | IMPLICIT NONE |
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| 47 | PRIVATE |
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| 48 | |
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[2528] | 49 | PUBLIC dyn_vor ! routine called by step.F90 |
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[5836] | 50 | PUBLIC dyn_vor_init ! routine called by nemogcm.F90 |
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[3] | 51 | |
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[4147] | 52 | ! !!* Namelist namdyn_vor: vorticity term |
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[5836] | 53 | LOGICAL, PUBLIC :: ln_dynvor_ene !: energy conserving scheme (ENE) |
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| 54 | LOGICAL, PUBLIC :: ln_dynvor_ens !: enstrophy conserving scheme (ENS) |
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| 55 | LOGICAL, PUBLIC :: ln_dynvor_mix !: mixed scheme (MIX) |
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| 56 | LOGICAL, PUBLIC :: ln_dynvor_een !: energy and enstrophy conserving scheme (EEN) |
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| 57 | INTEGER, PUBLIC :: nn_een_e3f !: e3f=masked averaging of e3t divided by 4 (=0) or by the sum of mask (=1) |
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| 58 | LOGICAL, PUBLIC :: ln_dynvor_msk !: vorticity multiplied by fmask (=T) or not (=F) (all vorticity schemes) |
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[3] | 59 | |
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[5836] | 60 | INTEGER :: nvor_scheme ! choice of the type of advection scheme |
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| 61 | ! ! associated indices: |
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| 62 | INTEGER, PUBLIC, PARAMETER :: np_ENE = 1 ! ENE scheme |
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| 63 | INTEGER, PUBLIC, PARAMETER :: np_ENS = 2 ! ENS scheme |
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| 64 | INTEGER, PUBLIC, PARAMETER :: np_MIX = 3 ! MIX scheme |
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| 65 | INTEGER, PUBLIC, PARAMETER :: np_EEN = 4 ! EEN scheme |
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[455] | 66 | |
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[5836] | 67 | INTEGER :: ncor, nrvm, ntot ! choice of calculated vorticity |
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| 68 | ! ! associated indices: |
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| 69 | INTEGER, PARAMETER :: np_COR = 1 ! Coriolis (planetary) |
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| 70 | INTEGER, PARAMETER :: np_RVO = 2 ! relative vorticity |
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| 71 | INTEGER, PARAMETER :: np_MET = 3 ! metric term |
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| 72 | INTEGER, PARAMETER :: np_CRV = 4 ! relative + planetary (total vorticity) |
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| 73 | INTEGER, PARAMETER :: np_CME = 5 ! Coriolis + metric term |
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| 74 | |
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| 75 | REAL(wp) :: r1_4 = 0.250_wp ! =1/4 |
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| 76 | REAL(wp) :: r1_8 = 0.125_wp ! =1/8 |
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| 77 | REAL(wp) :: r1_12 = 1._wp / 12._wp ! 1/12 |
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| 78 | |
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[3] | 79 | !! * Substitutions |
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| 80 | # include "vectopt_loop_substitute.h90" |
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| 81 | !!---------------------------------------------------------------------- |
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[7646] | 82 | !! NEMO/OPA 3.7 , NEMO Consortium (2016) |
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[1152] | 83 | !! $Id$ |
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[2715] | 84 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[3] | 85 | !!---------------------------------------------------------------------- |
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| 86 | CONTAINS |
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| 87 | |
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[455] | 88 | SUBROUTINE dyn_vor( kt ) |
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[3] | 89 | !!---------------------------------------------------------------------- |
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| 90 | !! |
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[455] | 91 | !! ** Purpose : compute the lateral ocean tracer physics. |
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| 92 | !! |
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| 93 | !! ** Action : - Update (ua,va) with the now vorticity term trend |
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[503] | 94 | !! - save the trends in (ztrdu,ztrdv) in 2 parts (relative |
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[4990] | 95 | !! and planetary vorticity trends) and send them to trd_dyn |
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| 96 | !! for futher diagnostics (l_trddyn=T) |
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[503] | 97 | !!---------------------------------------------------------------------- |
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[3294] | 98 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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[2715] | 99 | ! |
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[3294] | 100 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrdu, ztrdv |
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[455] | 101 | !!---------------------------------------------------------------------- |
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[2715] | 102 | ! |
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[3294] | 103 | IF( nn_timing == 1 ) CALL timing_start('dyn_vor') |
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| 104 | ! |
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| 105 | IF( l_trddyn ) CALL wrk_alloc( jpi,jpj,jpk, ztrdu, ztrdv ) |
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| 106 | ! |
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[5836] | 107 | SELECT CASE ( nvor_scheme ) !== vorticity trend added to the general trend ==! |
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[643] | 108 | ! |
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[5836] | 109 | CASE ( np_ENE ) !* energy conserving scheme |
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| 110 | IF( l_trddyn ) THEN ! trend diagnostics: split the trend in two |
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[7753] | 111 | ztrdu(:,:,:) = ua(:,:,:) |
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| 112 | ztrdv(:,:,:) = va(:,:,:) |
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[7646] | 113 | CALL vor_ene( kt, nrvm, un , vn , ua, va ) ! relative vorticity or metric trend |
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[7753] | 114 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 115 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 116 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_rvo, kt ) |
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[7753] | 117 | ztrdu(:,:,:) = ua(:,:,:) |
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| 118 | ztrdv(:,:,:) = va(:,:,:) |
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[7646] | 119 | CALL vor_ene( kt, ncor, un , vn , ua, va ) ! planetary vorticity trend |
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[7753] | 120 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 121 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 122 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_pvo, kt ) |
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[7646] | 123 | ELSE ! total vorticity trend |
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| 124 | CALL vor_ene( kt, ntot, un , vn , ua, va ) ! total vorticity trend |
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| 125 | IF( ln_stcor ) CALL vor_ene( kt, ncor, usd, vsd, ua, va ) ! add the Stokes-Coriolis trend |
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[455] | 126 | ENDIF |
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[643] | 127 | ! |
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[5836] | 128 | CASE ( np_ENS ) !* enstrophy conserving scheme |
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| 129 | IF( l_trddyn ) THEN ! trend diagnostics: splitthe trend in two |
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[7753] | 130 | ztrdu(:,:,:) = ua(:,:,:) |
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| 131 | ztrdv(:,:,:) = va(:,:,:) |
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[7646] | 132 | CALL vor_ens( kt, nrvm, un , vn , ua, va ) ! relative vorticity or metric trend |
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[7753] | 133 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 134 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 135 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_rvo, kt ) |
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[7753] | 136 | ztrdu(:,:,:) = ua(:,:,:) |
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| 137 | ztrdv(:,:,:) = va(:,:,:) |
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[7646] | 138 | CALL vor_ens( kt, ncor, un , vn , ua, va ) ! planetary vorticity trend |
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[7753] | 139 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 140 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 141 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_pvo, kt ) |
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[7646] | 142 | ELSE ! total vorticity trend |
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| 143 | CALL vor_ens( kt, ntot, un , vn , ua, va ) ! total vorticity trend |
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| 144 | IF( ln_stcor ) CALL vor_ens( kt, ncor, usd, vsd, ua, va ) ! add the Stokes-Coriolis trend |
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[455] | 145 | ENDIF |
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[643] | 146 | ! |
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[5836] | 147 | CASE ( np_MIX ) !* mixed ene-ens scheme |
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| 148 | IF( l_trddyn ) THEN ! trend diagnostics: split the trend in two |
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[7753] | 149 | ztrdu(:,:,:) = ua(:,:,:) |
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| 150 | ztrdv(:,:,:) = va(:,:,:) |
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[7646] | 151 | CALL vor_ens( kt, nrvm, un , vn , ua, va ) ! relative vorticity or metric trend (ens) |
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[7753] | 152 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 153 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 154 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_rvo, kt ) |
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[7753] | 155 | ztrdu(:,:,:) = ua(:,:,:) |
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| 156 | ztrdv(:,:,:) = va(:,:,:) |
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[7646] | 157 | CALL vor_ene( kt, ncor, un , vn , ua, va ) ! planetary vorticity trend (ene) |
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[7753] | 158 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 159 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 160 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_pvo, kt ) |
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[7646] | 161 | ELSE ! total vorticity trend |
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| 162 | CALL vor_ens( kt, nrvm, un , vn , ua, va ) ! relative vorticity or metric trend (ens) |
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| 163 | CALL vor_ene( kt, ncor, un , vn , ua, va ) ! planetary vorticity trend (ene) |
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| 164 | IF( ln_stcor ) CALL vor_ene( kt, ncor, usd, vsd, ua, va ) ! add the Stokes-Coriolis trend |
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[5836] | 165 | ENDIF |
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[643] | 166 | ! |
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[5836] | 167 | CASE ( np_EEN ) !* energy and enstrophy conserving scheme |
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| 168 | IF( l_trddyn ) THEN ! trend diagnostics: split the trend in two |
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[7753] | 169 | ztrdu(:,:,:) = ua(:,:,:) |
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| 170 | ztrdv(:,:,:) = va(:,:,:) |
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[7646] | 171 | CALL vor_een( kt, nrvm, un , vn , ua, va ) ! relative vorticity or metric trend |
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[7753] | 172 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 173 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 174 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_rvo, kt ) |
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[7753] | 175 | ztrdu(:,:,:) = ua(:,:,:) |
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| 176 | ztrdv(:,:,:) = va(:,:,:) |
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[7646] | 177 | CALL vor_een( kt, ncor, un , vn , ua, va ) ! planetary vorticity trend |
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[7753] | 178 | ztrdu(:,:,:) = ua(:,:,:) - ztrdu(:,:,:) |
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| 179 | ztrdv(:,:,:) = va(:,:,:) - ztrdv(:,:,:) |
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[4990] | 180 | CALL trd_dyn( ztrdu, ztrdv, jpdyn_pvo, kt ) |
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[7646] | 181 | ELSE ! total vorticity trend |
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| 182 | CALL vor_een( kt, ntot, un , vn , ua, va ) ! total vorticity trend |
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[7913] | 183 | IF( ln_stcor ) CALL vor_een( kt, ncor, usd, vsd, ua, va ) ! add the Stokes-Coriolis trend |
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[455] | 184 | ENDIF |
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[643] | 185 | ! |
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[455] | 186 | END SELECT |
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[2715] | 187 | ! |
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[455] | 188 | ! ! print sum trends (used for debugging) |
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[2715] | 189 | IF(ln_ctl) CALL prt_ctl( tab3d_1=ua, clinfo1=' vor - Ua: ', mask1=umask, & |
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[455] | 190 | & tab3d_2=va, clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
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[1438] | 191 | ! |
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[3294] | 192 | IF( l_trddyn ) CALL wrk_dealloc( jpi,jpj,jpk, ztrdu, ztrdv ) |
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| 193 | ! |
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| 194 | IF( nn_timing == 1 ) CALL timing_stop('dyn_vor') |
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| 195 | ! |
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[455] | 196 | END SUBROUTINE dyn_vor |
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| 197 | |
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| 198 | |
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[7646] | 199 | SUBROUTINE vor_ene( kt, kvor, pun, pvn, pua, pva ) |
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[455] | 200 | !!---------------------------------------------------------------------- |
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| 201 | !! *** ROUTINE vor_ene *** |
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| 202 | !! |
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[3] | 203 | !! ** Purpose : Compute the now total vorticity trend and add it to |
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| 204 | !! the general trend of the momentum equation. |
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| 205 | !! |
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| 206 | !! ** Method : Trend evaluated using now fields (centered in time) |
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[5836] | 207 | !! and the Sadourny (1975) flux form formulation : conserves the |
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| 208 | !! horizontal kinetic energy. |
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| 209 | !! The general trend of momentum is increased due to the vorticity |
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| 210 | !! term which is given by: |
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| 211 | !! voru = 1/e1u mj-1[ (rvor+f)/e3f mi(e1v*e3v vn) ] |
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| 212 | !! vorv = 1/e2v mi-1[ (rvor+f)/e3f mj(e2u*e3u un) ] |
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| 213 | !! where rvor is the relative vorticity |
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[3] | 214 | !! |
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| 215 | !! ** Action : - Update (ua,va) with the now vorticity term trend |
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| 216 | !! |
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[503] | 217 | !! References : Sadourny, r., 1975, j. atmos. sciences, 32, 680-689. |
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[3] | 218 | !!---------------------------------------------------------------------- |
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[7646] | 219 | INTEGER , INTENT(in ) :: kt ! ocean time-step index |
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| 220 | INTEGER , INTENT(in ) :: kvor ! =ncor (planetary) ; =ntot (total) ; |
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| 221 | ! ! =nrvm (relative vorticity or metric) |
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| 222 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pun, pvn ! now velocities |
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| 223 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pua, pva ! total v-trend |
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[2715] | 224 | ! |
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[5836] | 225 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 226 | REAL(wp) :: zx1, zy1, zx2, zy2 ! local scalars |
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| 227 | REAL(wp), POINTER, DIMENSION(:,:) :: zwx, zwy, zwz ! 2D workspace |
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[3] | 228 | !!---------------------------------------------------------------------- |
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[3294] | 229 | ! |
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| 230 | IF( nn_timing == 1 ) CALL timing_start('vor_ene') |
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| 231 | ! |
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[7646] | 232 | CALL wrk_alloc( jpi,jpj, zwx, zwy, zwz ) |
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[3294] | 233 | ! |
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[52] | 234 | IF( kt == nit000 ) THEN |
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| 235 | IF(lwp) WRITE(numout,*) |
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[455] | 236 | IF(lwp) WRITE(numout,*) 'dyn:vor_ene : vorticity term: energy conserving scheme' |
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| 237 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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[52] | 238 | ENDIF |
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[5836] | 239 | ! |
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[3] | 240 | ! ! =============== |
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| 241 | DO jk = 1, jpkm1 ! Horizontal slab |
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| 242 | ! ! =============== |
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[1438] | 243 | ! |
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[5836] | 244 | SELECT CASE( kvor ) !== vorticity considered ==! |
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| 245 | CASE ( np_COR ) !* Coriolis (planetary vorticity) |
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[7753] | 246 | zwz(:,:) = ff_f(:,:) |
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[5836] | 247 | CASE ( np_RVO ) !* relative vorticity |
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[643] | 248 | DO jj = 1, jpjm1 |
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| 249 | DO ji = 1, fs_jpim1 ! vector opt. |
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[7646] | 250 | zwz(ji,jj) = ( e2v(ji+1,jj ) * pvn(ji+1,jj ,jk) - e2v(ji,jj) * pvn(ji,jj,jk) & |
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| 251 | & - e1u(ji ,jj+1) * pun(ji ,jj+1,jk) + e1u(ji,jj) * pun(ji,jj,jk) ) * r1_e1e2f(ji,jj) |
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[5836] | 252 | END DO |
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| 253 | END DO |
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| 254 | CASE ( np_MET ) !* metric term |
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| 255 | DO jj = 1, jpjm1 |
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| 256 | DO ji = 1, fs_jpim1 ! vector opt. |
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[7646] | 257 | zwz(ji,jj) = ( ( pvn(ji+1,jj ,jk) + pvn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) & |
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| 258 | & - ( pun(ji ,jj+1,jk) + pun (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) & |
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[5836] | 259 | & * 0.5 * r1_e1e2f(ji,jj) |
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[643] | 260 | END DO |
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| 261 | END DO |
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[5836] | 262 | CASE ( np_CRV ) !* Coriolis + relative vorticity |
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[643] | 263 | DO jj = 1, jpjm1 |
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| 264 | DO ji = 1, fs_jpim1 ! vector opt. |
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[7646] | 265 | zwz(ji,jj) = ff_f(ji,jj) + ( e2v(ji+1,jj ) * pvn(ji+1,jj ,jk) - e2v(ji,jj) * pvn(ji,jj,jk) & |
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| 266 | & - e1u(ji ,jj+1) * pun(ji ,jj+1,jk) + e1u(ji,jj) * pun(ji,jj,jk) ) & |
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[5836] | 267 | & * r1_e1e2f(ji,jj) |
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[643] | 268 | END DO |
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| 269 | END DO |
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[5836] | 270 | CASE ( np_CME ) !* Coriolis + metric |
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| 271 | DO jj = 1, jpjm1 |
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| 272 | DO ji = 1, fs_jpim1 ! vector opt. |
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[7646] | 273 | zwz(ji,jj) = ff_f(ji,jj) & |
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| 274 | & + ( ( pvn(ji+1,jj ,jk) + pvn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) & |
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| 275 | & - ( pun(ji ,jj+1,jk) + pun (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) & |
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[5836] | 276 | & * 0.5 * r1_e1e2f(ji,jj) |
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| 277 | END DO |
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| 278 | END DO |
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| 279 | CASE DEFAULT ! error |
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| 280 | CALL ctl_stop('STOP','dyn_vor: wrong value for kvor' ) |
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[455] | 281 | END SELECT |
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[5836] | 282 | ! |
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| 283 | IF( ln_dynvor_msk ) THEN !== mask/unmask vorticity ==! |
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| 284 | DO jj = 1, jpjm1 |
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| 285 | DO ji = 1, fs_jpim1 ! vector opt. |
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| 286 | zwz(ji,jj) = zwz(ji,jj) * fmask(ji,jj,jk) |
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| 287 | END DO |
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| 288 | END DO |
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| 289 | ENDIF |
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[455] | 290 | |
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| 291 | IF( ln_sco ) THEN |
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[7753] | 292 | zwz(:,:) = zwz(:,:) / e3f_n(:,:,jk) |
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| 293 | zwx(:,:) = e2u(:,:) * e3u_n(:,:,jk) * pun(:,:,jk) |
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| 294 | zwy(:,:) = e1v(:,:) * e3v_n(:,:,jk) * pvn(:,:,jk) |
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[3] | 295 | ELSE |
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[7753] | 296 | zwx(:,:) = e2u(:,:) * pun(:,:,jk) |
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| 297 | zwy(:,:) = e1v(:,:) * pvn(:,:,jk) |
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[3] | 298 | ENDIF |
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[5836] | 299 | ! !== compute and add the vorticity term trend =! |
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[3] | 300 | DO jj = 2, jpjm1 |
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| 301 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 302 | zy1 = zwy(ji,jj-1) + zwy(ji+1,jj-1) |
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| 303 | zy2 = zwy(ji,jj ) + zwy(ji+1,jj ) |
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| 304 | zx1 = zwx(ji-1,jj) + zwx(ji-1,jj+1) |
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| 305 | zx2 = zwx(ji ,jj) + zwx(ji ,jj+1) |
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[5836] | 306 | pua(ji,jj,jk) = pua(ji,jj,jk) + r1_4 * r1_e1u(ji,jj) * ( zwz(ji ,jj-1) * zy1 + zwz(ji,jj) * zy2 ) |
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| 307 | pva(ji,jj,jk) = pva(ji,jj,jk) - r1_4 * r1_e2v(ji,jj) * ( zwz(ji-1,jj ) * zx1 + zwz(ji,jj) * zx2 ) |
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[3] | 308 | END DO |
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| 309 | END DO |
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| 310 | ! ! =============== |
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| 311 | END DO ! End of slab |
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| 312 | ! ! =============== |
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[3294] | 313 | CALL wrk_dealloc( jpi, jpj, zwx, zwy, zwz ) |
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[2715] | 314 | ! |
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[3294] | 315 | IF( nn_timing == 1 ) CALL timing_stop('vor_ene') |
---|
| 316 | ! |
---|
[455] | 317 | END SUBROUTINE vor_ene |
---|
[216] | 318 | |
---|
| 319 | |
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[7646] | 320 | SUBROUTINE vor_ens( kt, kvor, pun, pvn, pua, pva ) |
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[3] | 321 | !!---------------------------------------------------------------------- |
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[455] | 322 | !! *** ROUTINE vor_ens *** |
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[3] | 323 | !! |
---|
| 324 | !! ** Purpose : Compute the now total vorticity trend and add it to |
---|
| 325 | !! the general trend of the momentum equation. |
---|
| 326 | !! |
---|
| 327 | !! ** Method : Trend evaluated using now fields (centered in time) |
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| 328 | !! and the Sadourny (1975) flux FORM formulation : conserves the |
---|
| 329 | !! potential enstrophy of a horizontally non-divergent flow. the |
---|
| 330 | !! trend of the vorticity term is given by: |
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[5836] | 331 | !! voru = 1/e1u mj-1[ (rvor+f)/e3f ] mj-1[ mi(e1v*e3v vn) ] |
---|
| 332 | !! vorv = 1/e2v mi-1[ (rvor+f)/e3f ] mi-1[ mj(e2u*e3u un) ] |
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[3] | 333 | !! Add this trend to the general momentum trend (ua,va): |
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| 334 | !! (ua,va) = (ua,va) + ( voru , vorv ) |
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| 335 | !! |
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| 336 | !! ** Action : - Update (ua,va) arrays with the now vorticity term trend |
---|
| 337 | !! |
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[503] | 338 | !! References : Sadourny, r., 1975, j. atmos. sciences, 32, 680-689. |
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[3] | 339 | !!---------------------------------------------------------------------- |
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[7646] | 340 | INTEGER , INTENT(in ) :: kt ! ocean time-step index |
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| 341 | INTEGER , INTENT(in ) :: kvor ! =ncor (planetary) ; =ntot (total) ; |
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| 342 | ! ! =nrvm (relative vorticity or metric) |
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| 343 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pun, pvn ! now velocities |
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| 344 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pua, pva ! total v-trend |
---|
[2715] | 345 | ! |
---|
[5836] | 346 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 347 | REAL(wp) :: zuav, zvau ! local scalars |
---|
| 348 | REAL(wp), POINTER, DIMENSION(:,:) :: zwx, zwy, zwz, zww ! 2D workspace |
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[3] | 349 | !!---------------------------------------------------------------------- |
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[3294] | 350 | ! |
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| 351 | IF( nn_timing == 1 ) CALL timing_start('vor_ens') |
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| 352 | ! |
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[7646] | 353 | CALL wrk_alloc( jpi,jpj, zwx, zwy, zwz ) |
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[3294] | 354 | ! |
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[52] | 355 | IF( kt == nit000 ) THEN |
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| 356 | IF(lwp) WRITE(numout,*) |
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[455] | 357 | IF(lwp) WRITE(numout,*) 'dyn:vor_ens : vorticity term: enstrophy conserving scheme' |
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| 358 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
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[52] | 359 | ENDIF |
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[3] | 360 | ! ! =============== |
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| 361 | DO jk = 1, jpkm1 ! Horizontal slab |
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| 362 | ! ! =============== |
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[1438] | 363 | ! |
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[5836] | 364 | SELECT CASE( kvor ) !== vorticity considered ==! |
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| 365 | CASE ( np_COR ) !* Coriolis (planetary vorticity) |
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[7646] | 366 | zwz(:,:) = ff_f(:,:) |
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[5836] | 367 | CASE ( np_RVO ) !* relative vorticity |
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[643] | 368 | DO jj = 1, jpjm1 |
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| 369 | DO ji = 1, fs_jpim1 ! vector opt. |
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[7646] | 370 | zwz(ji,jj) = ( e2v(ji+1,jj ) * pvn(ji+1,jj ,jk) - e2v(ji,jj) * pvn(ji,jj,jk) & |
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| 371 | & - e1u(ji ,jj+1) * pun(ji ,jj+1,jk) + e1u(ji,jj) * pun(ji,jj,jk) ) * r1_e1e2f(ji,jj) |
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[5836] | 372 | END DO |
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| 373 | END DO |
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| 374 | CASE ( np_MET ) !* metric term |
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| 375 | DO jj = 1, jpjm1 |
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| 376 | DO ji = 1, fs_jpim1 ! vector opt. |
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[7646] | 377 | zwz(ji,jj) = ( ( pvn(ji+1,jj ,jk) + pvn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) & |
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| 378 | & - ( pun(ji ,jj+1,jk) + pun (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) & |
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[5836] | 379 | & * 0.5 * r1_e1e2f(ji,jj) |
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[643] | 380 | END DO |
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| 381 | END DO |
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[5836] | 382 | CASE ( np_CRV ) !* Coriolis + relative vorticity |
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[643] | 383 | DO jj = 1, jpjm1 |
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| 384 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[7646] | 385 | zwz(ji,jj) = ff_f(ji,jj) + ( e2v(ji+1,jj ) * pvn(ji+1,jj ,jk) - e2v(ji,jj) * pvn(ji,jj,jk) & |
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| 386 | & - e1u(ji ,jj+1) * pun(ji ,jj+1,jk) + e1u(ji,jj) * pun(ji,jj,jk) ) & |
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[5836] | 387 | & * r1_e1e2f(ji,jj) |
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[643] | 388 | END DO |
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| 389 | END DO |
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[5836] | 390 | CASE ( np_CME ) !* Coriolis + metric |
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| 391 | DO jj = 1, jpjm1 |
---|
| 392 | DO ji = 1, fs_jpim1 ! vector opt. |
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[7646] | 393 | zwz(ji,jj) = ff_f(ji,jj) & |
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| 394 | & + ( ( pvn(ji+1,jj ,jk) + pvn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) & |
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| 395 | & - ( pun(ji ,jj+1,jk) + pun (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) & |
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[5836] | 396 | & * 0.5 * r1_e1e2f(ji,jj) |
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| 397 | END DO |
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| 398 | END DO |
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| 399 | CASE DEFAULT ! error |
---|
| 400 | CALL ctl_stop('STOP','dyn_vor: wrong value for kvor' ) |
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[455] | 401 | END SELECT |
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[1438] | 402 | ! |
---|
[5836] | 403 | IF( ln_dynvor_msk ) THEN !== mask/unmask vorticity ==! |
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| 404 | DO jj = 1, jpjm1 |
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| 405 | DO ji = 1, fs_jpim1 ! vector opt. |
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| 406 | zwz(ji,jj) = zwz(ji,jj) * fmask(ji,jj,jk) |
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[3] | 407 | END DO |
---|
| 408 | END DO |
---|
[5836] | 409 | ENDIF |
---|
| 410 | ! |
---|
| 411 | IF( ln_sco ) THEN !== horizontal fluxes ==! |
---|
[6140] | 412 | zwz(:,:) = zwz(:,:) / e3f_n(:,:,jk) |
---|
[7646] | 413 | zwx(:,:) = e2u(:,:) * e3u_n(:,:,jk) * pun(:,:,jk) |
---|
| 414 | zwy(:,:) = e1v(:,:) * e3v_n(:,:,jk) * pvn(:,:,jk) |
---|
[3] | 415 | ELSE |
---|
[7646] | 416 | zwx(:,:) = e2u(:,:) * pun(:,:,jk) |
---|
| 417 | zwy(:,:) = e1v(:,:) * pvn(:,:,jk) |
---|
[3] | 418 | ENDIF |
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[5836] | 419 | ! !== compute and add the vorticity term trend =! |
---|
[3] | 420 | DO jj = 2, jpjm1 |
---|
| 421 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[6140] | 422 | zuav = r1_8 * r1_e1u(ji,jj) * ( zwy(ji ,jj-1) + zwy(ji+1,jj-1) & |
---|
| 423 | & + zwy(ji ,jj ) + zwy(ji+1,jj ) ) |
---|
| 424 | zvau =-r1_8 * r1_e2v(ji,jj) * ( zwx(ji-1,jj ) + zwx(ji-1,jj+1) & |
---|
| 425 | & + zwx(ji ,jj ) + zwx(ji ,jj+1) ) |
---|
[455] | 426 | pua(ji,jj,jk) = pua(ji,jj,jk) + zuav * ( zwz(ji ,jj-1) + zwz(ji,jj) ) |
---|
| 427 | pva(ji,jj,jk) = pva(ji,jj,jk) + zvau * ( zwz(ji-1,jj ) + zwz(ji,jj) ) |
---|
[3] | 428 | END DO |
---|
| 429 | END DO |
---|
| 430 | ! ! =============== |
---|
| 431 | END DO ! End of slab |
---|
| 432 | ! ! =============== |
---|
[3294] | 433 | CALL wrk_dealloc( jpi, jpj, zwx, zwy, zwz ) |
---|
[2715] | 434 | ! |
---|
[3294] | 435 | IF( nn_timing == 1 ) CALL timing_stop('vor_ens') |
---|
| 436 | ! |
---|
[455] | 437 | END SUBROUTINE vor_ens |
---|
[216] | 438 | |
---|
| 439 | |
---|
[7646] | 440 | SUBROUTINE vor_een( kt, kvor, pun, pvn, pua, pva ) |
---|
[108] | 441 | !!---------------------------------------------------------------------- |
---|
[455] | 442 | !! *** ROUTINE vor_een *** |
---|
[108] | 443 | !! |
---|
| 444 | !! ** Purpose : Compute the now total vorticity trend and add it to |
---|
| 445 | !! the general trend of the momentum equation. |
---|
| 446 | !! |
---|
| 447 | !! ** Method : Trend evaluated using now fields (centered in time) |
---|
[1438] | 448 | !! and the Arakawa and Lamb (1980) flux form formulation : conserves |
---|
[108] | 449 | !! both the horizontal kinetic energy and the potential enstrophy |
---|
[1438] | 450 | !! when horizontal divergence is zero (see the NEMO documentation) |
---|
| 451 | !! Add this trend to the general momentum trend (ua,va). |
---|
[108] | 452 | !! |
---|
| 453 | !! ** Action : - Update (ua,va) with the now vorticity term trend |
---|
| 454 | !! |
---|
[503] | 455 | !! References : Arakawa and Lamb 1980, Mon. Wea. Rev., 109, 18-36 |
---|
| 456 | !!---------------------------------------------------------------------- |
---|
[7646] | 457 | INTEGER , INTENT(in ) :: kt ! ocean time-step index |
---|
| 458 | INTEGER , INTENT(in ) :: kvor ! =ncor (planetary) ; =ntot (total) ; |
---|
| 459 | ! ! =nrvm (relative vorticity or metric) |
---|
| 460 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pun, pvn ! now velocities |
---|
| 461 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pua, pva ! total v-trend |
---|
[5836] | 462 | ! |
---|
| 463 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 464 | INTEGER :: ierr ! local integer |
---|
| 465 | REAL(wp) :: zua, zva ! local scalars |
---|
| 466 | REAL(wp) :: zmsk, ze3 ! local scalars |
---|
| 467 | ! |
---|
| 468 | REAL(wp), POINTER, DIMENSION(:,:) :: zwx, zwy, zwz, z1_e3f |
---|
| 469 | REAL(wp), POINTER, DIMENSION(:,:) :: ztnw, ztne, ztsw, ztse |
---|
[108] | 470 | !!---------------------------------------------------------------------- |
---|
[3294] | 471 | ! |
---|
| 472 | IF( nn_timing == 1 ) CALL timing_start('vor_een') |
---|
| 473 | ! |
---|
[5836] | 474 | CALL wrk_alloc( jpi,jpj, zwx , zwy , zwz , z1_e3f ) |
---|
| 475 | CALL wrk_alloc( jpi,jpj, ztnw, ztne, ztsw, ztse ) |
---|
[3294] | 476 | ! |
---|
[108] | 477 | IF( kt == nit000 ) THEN |
---|
| 478 | IF(lwp) WRITE(numout,*) |
---|
[455] | 479 | IF(lwp) WRITE(numout,*) 'dyn:vor_een : vorticity term: energy and enstrophy conserving scheme' |
---|
| 480 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
---|
[1438] | 481 | ENDIF |
---|
[5836] | 482 | ! |
---|
| 483 | ! ! =============== |
---|
| 484 | DO jk = 1, jpkm1 ! Horizontal slab |
---|
| 485 | ! ! =============== |
---|
| 486 | ! |
---|
| 487 | SELECT CASE( nn_een_e3f ) ! == reciprocal of e3 at F-point |
---|
| 488 | CASE ( 0 ) ! original formulation (masked averaging of e3t divided by 4) |
---|
| 489 | DO jj = 1, jpjm1 |
---|
| 490 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[6140] | 491 | ze3 = ( e3t_n(ji,jj+1,jk)*tmask(ji,jj+1,jk) + e3t_n(ji+1,jj+1,jk)*tmask(ji+1,jj+1,jk) & |
---|
| 492 | & + e3t_n(ji,jj ,jk)*tmask(ji,jj ,jk) + e3t_n(ji+1,jj ,jk)*tmask(ji+1,jj ,jk) ) |
---|
| 493 | IF( ze3 /= 0._wp ) THEN ; z1_e3f(ji,jj) = 4._wp / ze3 |
---|
| 494 | ELSE ; z1_e3f(ji,jj) = 0._wp |
---|
[5836] | 495 | ENDIF |
---|
[108] | 496 | END DO |
---|
| 497 | END DO |
---|
[5836] | 498 | CASE ( 1 ) ! new formulation (masked averaging of e3t divided by the sum of mask) |
---|
| 499 | DO jj = 1, jpjm1 |
---|
| 500 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[6140] | 501 | ze3 = ( e3t_n(ji,jj+1,jk)*tmask(ji,jj+1,jk) + e3t_n(ji+1,jj+1,jk)*tmask(ji+1,jj+1,jk) & |
---|
| 502 | & + e3t_n(ji,jj ,jk)*tmask(ji,jj ,jk) + e3t_n(ji+1,jj ,jk)*tmask(ji+1,jj ,jk) ) |
---|
| 503 | zmsk = ( tmask(ji,jj+1,jk) + tmask(ji+1,jj+1,jk) & |
---|
| 504 | & + tmask(ji,jj ,jk) + tmask(ji+1,jj ,jk) ) |
---|
[5836] | 505 | IF( ze3 /= 0._wp ) THEN ; z1_e3f(ji,jj) = zmsk / ze3 |
---|
[6140] | 506 | ELSE ; z1_e3f(ji,jj) = 0._wp |
---|
[5836] | 507 | ENDIF |
---|
[5029] | 508 | END DO |
---|
| 509 | END DO |
---|
[5836] | 510 | END SELECT |
---|
| 511 | ! |
---|
| 512 | SELECT CASE( kvor ) !== vorticity considered ==! |
---|
| 513 | CASE ( np_COR ) !* Coriolis (planetary vorticity) |
---|
[643] | 514 | DO jj = 1, jpjm1 |
---|
| 515 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[7646] | 516 | zwz(ji,jj) = ff_f(ji,jj) * z1_e3f(ji,jj) |
---|
[5836] | 517 | END DO |
---|
| 518 | END DO |
---|
| 519 | CASE ( np_RVO ) !* relative vorticity |
---|
| 520 | DO jj = 1, jpjm1 |
---|
| 521 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[7646] | 522 | zwz(ji,jj) = ( e2v(ji+1,jj ) * pvn(ji+1,jj ,jk) - e2v(ji,jj) * pvn(ji,jj,jk) & |
---|
| 523 | & - e1u(ji ,jj+1) * pun(ji ,jj+1,jk) + e1u(ji,jj) * pun(ji,jj,jk) ) & |
---|
[5836] | 524 | & * r1_e1e2f(ji,jj) * z1_e3f(ji,jj) |
---|
| 525 | END DO |
---|
| 526 | END DO |
---|
| 527 | CASE ( np_MET ) !* metric term |
---|
| 528 | DO jj = 1, jpjm1 |
---|
| 529 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[7646] | 530 | zwz(ji,jj) = ( ( pvn(ji+1,jj ,jk) + pvn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) & |
---|
| 531 | & - ( pun(ji ,jj+1,jk) + pun (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) & |
---|
[5836] | 532 | & * 0.5 * r1_e1e2f(ji,jj) * z1_e3f(ji,jj) |
---|
[643] | 533 | END DO |
---|
| 534 | END DO |
---|
[5836] | 535 | CASE ( np_CRV ) !* Coriolis + relative vorticity |
---|
[643] | 536 | DO jj = 1, jpjm1 |
---|
| 537 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[7646] | 538 | zwz(ji,jj) = ( ff_f(ji,jj) + ( e2v(ji+1,jj ) * pvn(ji+1,jj ,jk) - e2v(ji,jj) * pvn(ji,jj,jk) & |
---|
| 539 | & - e1u(ji ,jj+1) * pun(ji ,jj+1,jk) + e1u(ji,jj) * pun(ji,jj,jk) ) & |
---|
[5836] | 540 | & * r1_e1e2f(ji,jj) ) * z1_e3f(ji,jj) |
---|
[643] | 541 | END DO |
---|
| 542 | END DO |
---|
[5836] | 543 | CASE ( np_CME ) !* Coriolis + metric |
---|
| 544 | DO jj = 1, jpjm1 |
---|
| 545 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[7646] | 546 | zwz(ji,jj) = ( ff_f(ji,jj) & |
---|
| 547 | & + ( ( pvn(ji+1,jj ,jk) + pvn (ji,jj,jk) ) * ( e2v(ji+1,jj ) - e2v(ji,jj) ) & |
---|
| 548 | & - ( pun(ji ,jj+1,jk) + pun (ji,jj,jk) ) * ( e1u(ji ,jj+1) - e1u(ji,jj) ) ) & |
---|
[5836] | 549 | & * 0.5 * r1_e1e2f(ji,jj) ) * z1_e3f(ji,jj) |
---|
| 550 | END DO |
---|
| 551 | END DO |
---|
| 552 | CASE DEFAULT ! error |
---|
| 553 | CALL ctl_stop('STOP','dyn_vor: wrong value for kvor' ) |
---|
[455] | 554 | END SELECT |
---|
[5836] | 555 | ! |
---|
| 556 | IF( ln_dynvor_msk ) THEN !== mask/unmask vorticity ==! |
---|
| 557 | DO jj = 1, jpjm1 |
---|
| 558 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
| 559 | zwz(ji,jj) = zwz(ji,jj) * fmask(ji,jj,jk) |
---|
| 560 | END DO |
---|
| 561 | END DO |
---|
| 562 | ENDIF |
---|
| 563 | ! |
---|
[5907] | 564 | CALL lbc_lnk( zwz, 'F', 1. ) |
---|
| 565 | ! |
---|
[5836] | 566 | ! !== horizontal fluxes ==! |
---|
[7753] | 567 | zwx(:,:) = e2u(:,:) * e3u_n(:,:,jk) * pun(:,:,jk) |
---|
| 568 | zwy(:,:) = e1v(:,:) * e3v_n(:,:,jk) * pvn(:,:,jk) |
---|
[108] | 569 | |
---|
[5836] | 570 | ! !== compute and add the vorticity term trend =! |
---|
[1438] | 571 | jj = 2 |
---|
| 572 | ztne(1,:) = 0 ; ztnw(1,:) = 0 ; ztse(1,:) = 0 ; ztsw(1,:) = 0 |
---|
[5836] | 573 | DO ji = 2, jpi ! split in 2 parts due to vector opt. |
---|
[108] | 574 | ztne(ji,jj) = zwz(ji-1,jj ) + zwz(ji ,jj ) + zwz(ji ,jj-1) |
---|
| 575 | ztnw(ji,jj) = zwz(ji-1,jj-1) + zwz(ji-1,jj ) + zwz(ji ,jj ) |
---|
| 576 | ztse(ji,jj) = zwz(ji ,jj ) + zwz(ji ,jj-1) + zwz(ji-1,jj-1) |
---|
| 577 | ztsw(ji,jj) = zwz(ji ,jj-1) + zwz(ji-1,jj-1) + zwz(ji-1,jj ) |
---|
| 578 | END DO |
---|
| 579 | DO jj = 3, jpj |
---|
[1694] | 580 | DO ji = fs_2, jpi ! vector opt. ok because we start at jj = 3 |
---|
[108] | 581 | ztne(ji,jj) = zwz(ji-1,jj ) + zwz(ji ,jj ) + zwz(ji ,jj-1) |
---|
| 582 | ztnw(ji,jj) = zwz(ji-1,jj-1) + zwz(ji-1,jj ) + zwz(ji ,jj ) |
---|
| 583 | ztse(ji,jj) = zwz(ji ,jj ) + zwz(ji ,jj-1) + zwz(ji-1,jj-1) |
---|
| 584 | ztsw(ji,jj) = zwz(ji ,jj-1) + zwz(ji-1,jj-1) + zwz(ji-1,jj ) |
---|
| 585 | END DO |
---|
| 586 | END DO |
---|
| 587 | DO jj = 2, jpjm1 |
---|
| 588 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[5836] | 589 | zua = + r1_12 * r1_e1u(ji,jj) * ( ztne(ji,jj ) * zwy(ji ,jj ) + ztnw(ji+1,jj) * zwy(ji+1,jj ) & |
---|
| 590 | & + ztse(ji,jj ) * zwy(ji ,jj-1) + ztsw(ji+1,jj) * zwy(ji+1,jj-1) ) |
---|
| 591 | zva = - r1_12 * r1_e2v(ji,jj) * ( ztsw(ji,jj+1) * zwx(ji-1,jj+1) + ztse(ji,jj+1) * zwx(ji ,jj+1) & |
---|
| 592 | & + ztnw(ji,jj ) * zwx(ji-1,jj ) + ztne(ji,jj ) * zwx(ji ,jj ) ) |
---|
[455] | 593 | pua(ji,jj,jk) = pua(ji,jj,jk) + zua |
---|
| 594 | pva(ji,jj,jk) = pva(ji,jj,jk) + zva |
---|
[108] | 595 | END DO |
---|
| 596 | END DO |
---|
| 597 | ! ! =============== |
---|
| 598 | END DO ! End of slab |
---|
| 599 | ! ! =============== |
---|
[2715] | 600 | ! |
---|
[5836] | 601 | CALL wrk_dealloc( jpi,jpj, zwx , zwy , zwz , z1_e3f ) |
---|
| 602 | CALL wrk_dealloc( jpi,jpj, ztnw, ztne, ztsw, ztse ) |
---|
| 603 | ! |
---|
[3294] | 604 | IF( nn_timing == 1 ) CALL timing_stop('vor_een') |
---|
| 605 | ! |
---|
[455] | 606 | END SUBROUTINE vor_een |
---|
[216] | 607 | |
---|
| 608 | |
---|
[2528] | 609 | SUBROUTINE dyn_vor_init |
---|
[3] | 610 | !!--------------------------------------------------------------------- |
---|
[2528] | 611 | !! *** ROUTINE dyn_vor_init *** |
---|
[3] | 612 | !! |
---|
| 613 | !! ** Purpose : Control the consistency between cpp options for |
---|
[1438] | 614 | !! tracer advection schemes |
---|
[3] | 615 | !!---------------------------------------------------------------------- |
---|
[2715] | 616 | INTEGER :: ioptio ! local integer |
---|
[3294] | 617 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
[4147] | 618 | INTEGER :: ios ! Local integer output status for namelist read |
---|
[2715] | 619 | !! |
---|
[5836] | 620 | NAMELIST/namdyn_vor/ ln_dynvor_ens, ln_dynvor_ene, ln_dynvor_mix, ln_dynvor_een, nn_een_e3f, ln_dynvor_msk |
---|
[3] | 621 | !!---------------------------------------------------------------------- |
---|
| 622 | |
---|
[4147] | 623 | REWIND( numnam_ref ) ! Namelist namdyn_vor in reference namelist : Vorticity scheme options |
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| 624 | READ ( numnam_ref, namdyn_vor, IOSTAT = ios, ERR = 901) |
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| 625 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_vor in reference namelist', lwp ) |
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[3] | 626 | |
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[4147] | 627 | REWIND( numnam_cfg ) ! Namelist namdyn_vor in configuration namelist : Vorticity scheme options |
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| 628 | READ ( numnam_cfg, namdyn_vor, IOSTAT = ios, ERR = 902 ) |
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| 629 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_vor in configuration namelist', lwp ) |
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[4624] | 630 | IF(lwm) WRITE ( numond, namdyn_vor ) |
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[4147] | 631 | |
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[503] | 632 | IF(lwp) THEN ! Namelist print |
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[3] | 633 | WRITE(numout,*) |
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[2528] | 634 | WRITE(numout,*) 'dyn_vor_init : vorticity term : read namelist and control the consistency' |
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| 635 | WRITE(numout,*) '~~~~~~~~~~~~' |
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[7646] | 636 | WRITE(numout,*) ' Namelist namdyn_vor : choice of the vorticity term scheme' |
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| 637 | WRITE(numout,*) ' energy conserving scheme ln_dynvor_ene = ', ln_dynvor_ene |
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| 638 | WRITE(numout,*) ' enstrophy conserving scheme ln_dynvor_ens = ', ln_dynvor_ens |
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| 639 | WRITE(numout,*) ' mixed enstrophy/energy conserving scheme ln_dynvor_mix = ', ln_dynvor_mix |
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| 640 | WRITE(numout,*) ' enstrophy and energy conserving scheme ln_dynvor_een = ', ln_dynvor_een |
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| 641 | WRITE(numout,*) ' e3f = averaging /4 (=0) or /sum(tmask) (=1) nn_een_e3f = ', nn_een_e3f |
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| 642 | WRITE(numout,*) ' masked (=T) or unmasked(=F) vorticity ln_dynvor_msk = ', ln_dynvor_msk |
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[52] | 643 | ENDIF |
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| 644 | |
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[5836] | 645 | !!gm this should be removed when choosing a unique strategy for fmask at the coast |
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[3294] | 646 | ! If energy, enstrophy or mixed advection of momentum in vector form change the value for masks |
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| 647 | ! at angles with three ocean points and one land point |
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[5836] | 648 | IF(lwp) WRITE(numout,*) |
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[7646] | 649 | IF(lwp) WRITE(numout,*) ' change fmask value in the angles (T) ln_vorlat = ', ln_vorlat |
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[3294] | 650 | IF( ln_vorlat .AND. ( ln_dynvor_ene .OR. ln_dynvor_ens .OR. ln_dynvor_mix ) ) THEN |
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| 651 | DO jk = 1, jpk |
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| 652 | DO jj = 2, jpjm1 |
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| 653 | DO ji = 2, jpim1 |
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| 654 | IF( tmask(ji,jj,jk)+tmask(ji+1,jj,jk)+tmask(ji,jj+1,jk)+tmask(ji+1,jj+1,jk) == 3._wp ) & |
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| 655 | fmask(ji,jj,jk) = 1._wp |
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| 656 | END DO |
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| 657 | END DO |
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| 658 | END DO |
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| 659 | ! |
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| 660 | CALL lbc_lnk( fmask, 'F', 1._wp ) ! Lateral boundary conditions on fmask |
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| 661 | ! |
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| 662 | ENDIF |
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[5836] | 663 | !!gm end |
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[3294] | 664 | |
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[5836] | 665 | ioptio = 0 ! type of scheme for vorticity (set nvor_scheme) |
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| 666 | IF( ln_dynvor_ene ) THEN ; ioptio = ioptio + 1 ; nvor_scheme = np_ENE ; ENDIF |
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| 667 | IF( ln_dynvor_ens ) THEN ; ioptio = ioptio + 1 ; nvor_scheme = np_ENS ; ENDIF |
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| 668 | IF( ln_dynvor_mix ) THEN ; ioptio = ioptio + 1 ; nvor_scheme = np_MIX ; ENDIF |
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| 669 | IF( ln_dynvor_een ) THEN ; ioptio = ioptio + 1 ; nvor_scheme = np_EEN ; ENDIF |
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| 670 | ! |
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[6140] | 671 | IF( ioptio /= 1 ) CALL ctl_stop( ' use ONE and ONLY one vorticity scheme' ) |
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[5836] | 672 | ! |
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| 673 | IF(lwp) WRITE(numout,*) ! type of calculated vorticity (set ncor, nrvm, ntot) |
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| 674 | ncor = np_COR |
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[643] | 675 | IF( ln_dynadv_vec ) THEN |
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[7646] | 676 | IF(lwp) WRITE(numout,*) ' ===>> Vector form advection : vorticity = Coriolis + relative vorticity' |
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[5836] | 677 | nrvm = np_RVO ! relative vorticity |
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| 678 | ntot = np_CRV ! relative + planetary vorticity |
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[643] | 679 | ELSE |
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[7646] | 680 | IF(lwp) WRITE(numout,*) ' ===>> Flux form advection : vorticity = Coriolis + metric term' |
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[5836] | 681 | nrvm = np_MET ! metric term |
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| 682 | ntot = np_CME ! Coriolis + metric term |
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[643] | 683 | ENDIF |
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| 684 | |
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[503] | 685 | IF(lwp) THEN ! Print the choice |
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| 686 | WRITE(numout,*) |
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[7646] | 687 | IF( nvor_scheme == np_ENE ) WRITE(numout,*) ' ===>> energy conserving scheme' |
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| 688 | IF( nvor_scheme == np_ENS ) WRITE(numout,*) ' ===>> enstrophy conserving scheme' |
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| 689 | IF( nvor_scheme == np_MIX ) WRITE(numout,*) ' ===>> mixed enstrophy/energy conserving scheme' |
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| 690 | IF( nvor_scheme == np_EEN ) WRITE(numout,*) ' ===>> energy and enstrophy conserving scheme' |
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[3] | 691 | ENDIF |
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[503] | 692 | ! |
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[2528] | 693 | END SUBROUTINE dyn_vor_init |
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[3] | 694 | |
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[503] | 695 | !!============================================================================== |
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[3] | 696 | END MODULE dynvor |
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