[3] | 1 | MODULE ldfdyn |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE ldfdyn *** |
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| 4 | !! Ocean physics: lateral viscosity coefficient |
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| 5 | !!===================================================================== |
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[1601] | 6 | !! History : OPA ! 1997-07 (G. Madec) multi dimensional coefficients |
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| 7 | !! NEMO 1.0 ! 2002-09 (G. Madec) F90: Free form and module |
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| 8 | !!---------------------------------------------------------------------- |
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[3] | 9 | |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! ldf_dyn_init : initialization, namelist read, and parameters control |
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| 12 | !! ldf_dyn_c3d : 3D eddy viscosity coefficient initialization |
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| 13 | !! ldf_dyn_c2d : 2D eddy viscosity coefficient initialization |
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| 14 | !! ldf_dyn_c1d : 1D eddy viscosity coefficient initialization |
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| 15 | !!---------------------------------------------------------------------- |
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| 16 | USE oce ! ocean dynamics and tracers |
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| 17 | USE dom_oce ! ocean space and time domain |
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| 18 | USE ldfdyn_oce ! ocean dynamics lateral physics |
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| 19 | USE phycst ! physical constants |
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| 20 | USE ldfslp ! ??? |
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[1601] | 21 | USE ioipsl |
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[3] | 22 | USE in_out_manager ! I/O manager |
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| 23 | USE lib_mpp ! distribued memory computing library |
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| 24 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[3294] | 25 | USE wrk_nemo ! Memory Allocation |
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[3] | 26 | |
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| 27 | IMPLICIT NONE |
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| 28 | PRIVATE |
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| 29 | |
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[1601] | 30 | PUBLIC ldf_dyn_init ! called by opa.F90 |
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[3] | 31 | |
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| 32 | INTERFACE ldf_zpf |
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[71] | 33 | MODULE PROCEDURE ldf_zpf_1d, ldf_zpf_1d_3d, ldf_zpf_3d |
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[3] | 34 | END INTERFACE |
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| 35 | |
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| 36 | !! * Substitutions |
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| 37 | # include "domzgr_substitute.h90" |
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| 38 | !!---------------------------------------------------------------------- |
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[2528] | 39 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[6486] | 40 | !! $Id$ |
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[2715] | 41 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[3] | 42 | !!---------------------------------------------------------------------- |
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| 43 | CONTAINS |
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| 44 | |
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| 45 | SUBROUTINE ldf_dyn_init |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | !! *** ROUTINE ldf_dyn_init *** |
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| 48 | !! |
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| 49 | !! ** Purpose : set the horizontal ocean dynamics physics |
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| 50 | !! |
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| 51 | !! ** Method : |
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[1601] | 52 | !! - default option : ahm = constant coef. = rn_ahm_0 (namelist) |
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| 53 | !! - 'key_dynldf_c1d': ahm = F(depth) see ldf_dyn_c1d.h90 |
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| 54 | !! - 'key_dynldf_c2d': ahm = F(latitude,longitude) see ldf_dyn_c2d.h90 |
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| 55 | !! - 'key_dynldf_c3d': ahm = F(latitude,longitude,depth) see ldf_dyn_c3d.h90 |
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| 56 | !! |
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[3] | 57 | !! N.B. User defined include files. By default, 3d and 2d coef. |
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| 58 | !! are set to a constant value given in the namelist and the 1d |
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| 59 | !! coefficients are initialized to a hyperbolic tangent vertical |
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| 60 | !! profile. |
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| 61 | !! |
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[1601] | 62 | !! Reference : Madec, G. and M. Imbard, 1996: Climate Dynamics, 12, 381-388. |
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[3] | 63 | !!---------------------------------------------------------------------- |
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| 64 | INTEGER :: ioptio ! ??? |
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[4147] | 65 | INTEGER :: ios ! Local : output status for namelist read |
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[2715] | 66 | LOGICAL :: ll_print = .FALSE. ! Logical flag for printing viscosity coef. |
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[1601] | 67 | !! |
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| 68 | NAMELIST/namdyn_ldf/ ln_dynldf_lap , ln_dynldf_bilap, & |
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| 69 | & ln_dynldf_level, ln_dynldf_hor , ln_dynldf_iso, & |
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[3634] | 70 | & rn_ahm_0_lap , rn_ahmb_0 , rn_ahm_0_blp , & |
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| 71 | & rn_cmsmag_1 , rn_cmsmag_2 , rn_cmsh, & |
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| 72 | & rn_ahm_m_lap , rn_ahm_m_blp |
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[3] | 73 | |
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[3634] | 74 | !!---------------------------------------------------------------------- |
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| 75 | |
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[4147] | 76 | REWIND( numnam_ref ) ! Namelist namdyn_ldf in reference namelist : Lateral physics |
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| 77 | READ ( numnam_ref, namdyn_ldf, IOSTAT = ios, ERR = 901) |
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| 78 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_ldf in reference namelist', lwp ) |
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[3] | 79 | |
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[4147] | 80 | REWIND( numnam_cfg ) ! Namelist namdyn_ldf in configuration namelist : Lateral physics |
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| 81 | READ ( numnam_cfg, namdyn_ldf, IOSTAT = ios, ERR = 902 ) |
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| 82 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdyn_ldf in configuration namelist', lwp ) |
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[4624] | 83 | IF(lwm) WRITE ( numond, namdyn_ldf ) |
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[4147] | 84 | |
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[1601] | 85 | IF(lwp) THEN ! Parameter print |
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[3] | 86 | WRITE(numout,*) |
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| 87 | WRITE(numout,*) 'ldf_dyn : lateral momentum physics' |
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| 88 | WRITE(numout,*) '~~~~~~~' |
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[4147] | 89 | WRITE(numout,*) ' Namelist namdyn_ldf : set lateral mixing parameters' |
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[2528] | 90 | WRITE(numout,*) ' laplacian operator ln_dynldf_lap = ', ln_dynldf_lap |
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| 91 | WRITE(numout,*) ' bilaplacian operator ln_dynldf_bilap = ', ln_dynldf_bilap |
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| 92 | WRITE(numout,*) ' iso-level ln_dynldf_level = ', ln_dynldf_level |
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| 93 | WRITE(numout,*) ' horizontal (geopotential) ln_dynldf_hor = ', ln_dynldf_hor |
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| 94 | WRITE(numout,*) ' iso-neutral ln_dynldf_iso = ', ln_dynldf_iso |
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| 95 | WRITE(numout,*) ' horizontal laplacian eddy viscosity rn_ahm_0_lap = ', rn_ahm_0_lap |
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| 96 | WRITE(numout,*) ' background viscosity rn_ahmb_0 = ', rn_ahmb_0 |
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| 97 | WRITE(numout,*) ' horizontal bilaplacian eddy viscosity rn_ahm_0_blp = ', rn_ahm_0_blp |
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[3634] | 98 | WRITE(numout,*) ' upper limit for laplacian eddy visc rn_ahm_m_lap = ', rn_ahm_m_lap |
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| 99 | WRITE(numout,*) ' upper limit for bilap eddy viscosity rn_ahm_m_blp = ', rn_ahm_m_blp |
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| 100 | |
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[3] | 101 | ENDIF |
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| 102 | |
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[2528] | 103 | ahm0 = rn_ahm_0_lap ! OLD namelist variables defined from DOCTOR namelist variables |
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| 104 | ahmb0 = rn_ahmb_0 |
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| 105 | ahm0_blp = rn_ahm_0_blp |
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[1601] | 106 | |
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[461] | 107 | ! ... check of lateral diffusive operator on tracers |
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| 108 | ! ==> will be done in trazdf module |
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[3] | 109 | |
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| 110 | ! ... Space variation of eddy coefficients |
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| 111 | ioptio = 0 |
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| 112 | #if defined key_dynldf_c3d |
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[1601] | 113 | IF(lwp) WRITE(numout,*) ' momentum mixing coef. = F( latitude, longitude, depth)' |
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[3] | 114 | ioptio = ioptio+1 |
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| 115 | #endif |
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| 116 | #if defined key_dynldf_c2d |
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[1601] | 117 | IF(lwp) WRITE(numout,*) ' momentum mixing coef. = F( latitude, longitude)' |
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[3] | 118 | ioptio = ioptio+1 |
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| 119 | #endif |
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| 120 | #if defined key_dynldf_c1d |
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[1601] | 121 | IF(lwp) WRITE(numout,*) ' momentum mixing coef. = F( depth )' |
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[3] | 122 | ioptio = ioptio+1 |
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[1601] | 123 | IF( ln_sco ) CALL ctl_stop( 'key_dynldf_c1d cannot be used in s-coordinate (ln_sco)' ) |
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[3] | 124 | #endif |
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| 125 | IF( ioptio == 0 ) THEN |
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[1601] | 126 | IF(lwp) WRITE(numout,*) ' momentum mixing coef. = constant (default option)' |
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[3] | 127 | ELSEIF( ioptio > 1 ) THEN |
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[1601] | 128 | CALL ctl_stop( 'use only one of the following keys: key_dynldf_c3d, key_dynldf_c2d, key_dynldf_c1d' ) |
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[3] | 129 | ENDIF |
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| 130 | |
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| 131 | |
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[461] | 132 | IF( ln_dynldf_bilap ) THEN |
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[1601] | 133 | IF(lwp) WRITE(numout,*) ' biharmonic momentum diffusion' |
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[2528] | 134 | IF( .NOT. ln_dynldf_lap ) ahm0 = ahm0_blp ! Allow spatially varying coefs, which use ahm0 as input |
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| 135 | IF( ahm0_blp > 0 .AND. .NOT. lk_esopa ) CALL ctl_stop( 'The horizontal viscosity coef. ahm0 must be negative' ) |
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[3] | 136 | ELSE |
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[1601] | 137 | IF(lwp) WRITE(numout,*) ' harmonic momentum diff. (default)' |
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| 138 | IF( ahm0 < 0 .AND. .NOT. lk_esopa ) CALL ctl_stop( 'The horizontal viscosity coef. ahm0 must be positive' ) |
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[3] | 139 | ENDIF |
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| 140 | |
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| 141 | |
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| 142 | ! Lateral eddy viscosity |
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| 143 | ! ====================== |
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| 144 | #if defined key_dynldf_c3d |
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| 145 | CALL ldf_dyn_c3d( ll_print ) ! ahm = 3D coef. = F( longitude, latitude, depth ) |
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| 146 | #elif defined key_dynldf_c2d |
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| 147 | CALL ldf_dyn_c2d( ll_print ) ! ahm = 1D coef. = F( longitude, latitude ) |
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| 148 | #elif defined key_dynldf_c1d |
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| 149 | CALL ldf_dyn_c1d( ll_print ) ! ahm = 1D coef. = F( depth ) |
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| 150 | #else |
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| 151 | ! Constant coefficients |
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| 152 | IF(lwp) WRITE(numout,*) |
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| 153 | IF(lwp) WRITE(numout,*) 'inildf: constant eddy viscosity coef. ' |
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| 154 | IF(lwp) WRITE(numout,*) '~~~~~~' |
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| 155 | IF(lwp) WRITE(numout,*) ' ahm1 = ahm2 = ahm0 = ',ahm0 |
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| 156 | #endif |
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[3634] | 157 | nkahm_smag = 0 |
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| 158 | #if defined key_dynldf_smag |
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| 159 | nkahm_smag = 1 |
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| 160 | #endif |
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| 161 | |
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[1601] | 162 | ! |
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[3] | 163 | END SUBROUTINE ldf_dyn_init |
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| 164 | |
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| 165 | #if defined key_dynldf_c3d |
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| 166 | # include "ldfdyn_c3d.h90" |
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| 167 | #elif defined key_dynldf_c2d |
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| 168 | # include "ldfdyn_c2d.h90" |
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| 169 | #elif defined key_dynldf_c1d |
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| 170 | # include "ldfdyn_c1d.h90" |
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| 171 | #endif |
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| 172 | |
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| 173 | |
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| 174 | SUBROUTINE ldf_zpf_1d( ld_print, pdam, pwam, pbot, pdep, pah ) |
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| 175 | !!---------------------------------------------------------------------- |
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| 176 | !! *** ROUTINE ldf_zpf *** |
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| 177 | !! |
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| 178 | !! ** Purpose : vertical adimensional profile for eddy coefficient |
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| 179 | !! |
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| 180 | !! ** Method : 1D eddy viscosity coefficients ( depth ) |
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[1601] | 181 | !!---------------------------------------------------------------------- |
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| 182 | LOGICAL , INTENT(in ) :: ld_print ! If true, output arrays on numout |
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| 183 | REAL(wp), INTENT(in ) :: pdam ! depth of the inflection point |
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| 184 | REAL(wp), INTENT(in ) :: pwam ! width of inflection |
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| 185 | REAL(wp), INTENT(in ) :: pbot ! bottom value (0<pbot<= 1) |
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| 186 | REAL(wp), INTENT(in ), DIMENSION(jpk) :: pdep ! depth of the gridpoint (T, U, V, F) |
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| 187 | REAL(wp), INTENT(inout), DIMENSION(jpk) :: pah ! adimensional vertical profile |
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[3] | 188 | !! |
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| 189 | INTEGER :: jk ! dummy loop indices |
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| 190 | REAL(wp) :: zm00, zm01, zmhb, zmhs ! temporary scalars |
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| 191 | !!---------------------------------------------------------------------- |
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| 192 | |
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[4292] | 193 | zm00 = TANH( ( pdam - gdept_1d(1 ) ) / pwam ) |
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| 194 | zm01 = TANH( ( pdam - gdept_1d(jpkm1) ) / pwam ) |
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[3] | 195 | zmhs = zm00 / zm01 |
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| 196 | zmhb = ( 1.e0 - pbot ) / ( 1.e0 - zmhs ) / zm01 |
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| 197 | |
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| 198 | DO jk = 1, jpk |
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| 199 | pah(jk) = 1.e0 + zmhb * ( zm00 - TANH( ( pdam - pdep(jk) ) / pwam ) ) |
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| 200 | END DO |
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| 201 | |
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[1601] | 202 | IF(lwp .AND. ld_print ) THEN ! Control print |
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[3] | 203 | WRITE(numout,*) |
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| 204 | WRITE(numout,*) ' ahm profile : ' |
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| 205 | WRITE(numout,*) |
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| 206 | WRITE(numout,'(" jk ahm "," depth t-level " )') |
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| 207 | DO jk = 1, jpk |
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| 208 | WRITE(numout,'(i6,2f12.4,3x,2f12.4)') jk, pah(jk), pdep(jk) |
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| 209 | END DO |
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| 210 | ENDIF |
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[1601] | 211 | ! |
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[3] | 212 | END SUBROUTINE ldf_zpf_1d |
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| 213 | |
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| 214 | |
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[71] | 215 | SUBROUTINE ldf_zpf_1d_3d( ld_print, pdam, pwam, pbot, pdep, pah ) |
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| 216 | !!---------------------------------------------------------------------- |
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| 217 | !! *** ROUTINE ldf_zpf *** |
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| 218 | !! |
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| 219 | !! ** Purpose : vertical adimensional profile for eddy coefficient |
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| 220 | !! |
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| 221 | !! ** Method : 1D eddy viscosity coefficients ( depth ) |
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[1601] | 222 | !!---------------------------------------------------------------------- |
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| 223 | LOGICAL , INTENT(in ) :: ld_print ! If true, output arrays on numout |
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| 224 | REAL(wp), INTENT(in ) :: pdam ! depth of the inflection point |
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| 225 | REAL(wp), INTENT(in ) :: pwam ! width of inflection |
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| 226 | REAL(wp), INTENT(in ) :: pbot ! bottom value (0<pbot<= 1) |
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[2715] | 227 | REAL(wp), INTENT(in ), DIMENSION (:) :: pdep ! depth of the gridpoint (T, U, V, F) |
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| 228 | REAL(wp), INTENT(inout), DIMENSION (:,:,:) :: pah ! adimensional vertical profile |
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[71] | 229 | !! |
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| 230 | INTEGER :: jk ! dummy loop indices |
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| 231 | REAL(wp) :: zm00, zm01, zmhb, zmhs, zcf ! temporary scalars |
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| 232 | !!---------------------------------------------------------------------- |
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| 233 | |
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[4292] | 234 | zm00 = TANH( ( pdam - gdept_1d(1 ) ) / pwam ) |
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| 235 | zm01 = TANH( ( pdam - gdept_1d(jpkm1) ) / pwam ) |
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[71] | 236 | zmhs = zm00 / zm01 |
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| 237 | zmhb = ( 1.e0 - pbot ) / ( 1.e0 - zmhs ) / zm01 |
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| 238 | |
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| 239 | DO jk = 1, jpk |
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| 240 | zcf = 1.e0 + zmhb * ( zm00 - TANH( ( pdam - pdep(jk) ) / pwam ) ) |
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| 241 | pah(:,:,jk) = zcf |
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| 242 | END DO |
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| 243 | |
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[1601] | 244 | IF(lwp .AND. ld_print ) THEN ! Control print |
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[71] | 245 | WRITE(numout,*) |
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| 246 | WRITE(numout,*) ' ahm profile : ' |
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| 247 | WRITE(numout,*) |
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| 248 | WRITE(numout,'(" jk ahm "," depth t-level " )') |
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| 249 | DO jk = 1, jpk |
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[174] | 250 | WRITE(numout,'(i6,2f12.4,3x,2f12.4)') jk, pah(1,1,jk), pdep(jk) |
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[71] | 251 | END DO |
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| 252 | ENDIF |
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[1601] | 253 | ! |
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[71] | 254 | END SUBROUTINE ldf_zpf_1d_3d |
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| 255 | |
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| 256 | |
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[3] | 257 | SUBROUTINE ldf_zpf_3d( ld_print, pdam, pwam, pbot, pdep, pah ) |
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| 258 | !!---------------------------------------------------------------------- |
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| 259 | !! *** ROUTINE ldf_zpf *** |
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| 260 | !! |
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| 261 | !! ** Purpose : vertical adimensional profile for eddy coefficient |
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| 262 | !! |
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| 263 | !! ** Method : 3D for partial step or s-coordinate |
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[1601] | 264 | !!---------------------------------------------------------------------- |
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| 265 | LOGICAL , INTENT(in ) :: ld_print ! If true, output arrays on numout |
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| 266 | REAL(wp), INTENT(in ) :: pdam ! depth of the inflection point |
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| 267 | REAL(wp), INTENT(in ) :: pwam ! width of inflection |
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| 268 | REAL(wp), INTENT(in ) :: pbot ! bottom value (0<pbot<= 1) |
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[2715] | 269 | REAL(wp), INTENT(in ), DIMENSION (:,:,:) :: pdep ! dep of the gridpoint (T, U, V, F) |
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| 270 | REAL(wp), INTENT(inout), DIMENSION (:,:,:) :: pah ! adimensional vertical profile |
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[3] | 271 | !! |
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| 272 | INTEGER :: jk ! dummy loop indices |
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| 273 | REAL(wp) :: zm00, zm01, zmhb, zmhs ! temporary scalars |
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| 274 | !!---------------------------------------------------------------------- |
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| 275 | |
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[4292] | 276 | zm00 = TANH( ( pdam - gdept_1d(1 ) ) / pwam ) |
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| 277 | zm01 = TANH( ( pdam - gdept_1d(jpkm1) ) / pwam ) |
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[3] | 278 | zmhs = zm00 / zm01 |
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| 279 | zmhb = ( 1.e0 - pbot ) / ( 1.e0 - zmhs ) / zm01 |
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| 280 | |
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| 281 | DO jk = 1, jpk |
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| 282 | pah(:,:,jk) = 1.e0 + zmhb * ( zm00 - TANH( ( pdam - pdep(:,:,jk) ) / pwam ) ) |
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| 283 | END DO |
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| 284 | |
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[1601] | 285 | IF(lwp .AND. ld_print ) THEN ! Control print |
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[3] | 286 | WRITE(numout,*) |
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| 287 | WRITE(numout,*) ' ahm profile : ' |
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| 288 | WRITE(numout,*) |
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| 289 | WRITE(numout,'(" jk ahm "," depth t-level " )') |
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| 290 | DO jk = 1, jpk |
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| 291 | WRITE(numout,'(i6,2f12.4,3x,2f12.4)') jk, pah(1,1,jk), pdep(1,1,jk) |
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| 292 | END DO |
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| 293 | ENDIF |
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[1601] | 294 | ! |
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| 295 | END SUBROUTINE ldf_zpf_3d |
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[3] | 296 | |
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| 297 | !!====================================================================== |
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| 298 | END MODULE ldfdyn |
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