[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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| 25 | |
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| 26 | IMPLICIT NONE |
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| 27 | PRIVATE |
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| 28 | |
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[1601] | 29 | PUBLIC ldf_dyn_init ! called by opa.F90 |
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[3] | 30 | |
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| 31 | INTERFACE ldf_zpf |
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[71] | 32 | MODULE PROCEDURE ldf_zpf_1d, ldf_zpf_1d_3d, ldf_zpf_3d |
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[3] | 33 | END INTERFACE |
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| 34 | |
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| 35 | !! * Substitutions |
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| 36 | # include "domzgr_substitute.h90" |
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| 37 | !!---------------------------------------------------------------------- |
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[1601] | 38 | !! NEMO/OPA 3.2 , LOCEAN-IPSL (2009) |
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[1152] | 39 | !! $Id$ |
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[1601] | 40 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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[3] | 41 | !!---------------------------------------------------------------------- |
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| 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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| 65 | LOGICAL :: ll_print = .FALSE. ! Logical flag for printing viscosity coef. |
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[1601] | 66 | !! |
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| 67 | NAMELIST/namdyn_ldf/ ln_dynldf_lap , ln_dynldf_bilap, & |
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| 68 | & ln_dynldf_level, ln_dynldf_hor , ln_dynldf_iso, & |
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[1954] | 69 | & rn_ahm_0 , rn_ahmb_0 , rn_ahm_0_blp |
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[3] | 70 | !!---------------------------------------------------------------------- |
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| 71 | |
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[1601] | 72 | REWIND( numnam ) ! Read Namelist namdyn_ldf : Lateral physics |
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| 73 | READ ( numnam, namdyn_ldf ) |
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[3] | 74 | |
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[1601] | 75 | IF(lwp) THEN ! Parameter print |
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[3] | 76 | WRITE(numout,*) |
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| 77 | WRITE(numout,*) 'ldf_dyn : lateral momentum physics' |
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| 78 | WRITE(numout,*) '~~~~~~~' |
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[1601] | 79 | WRITE(numout,*) ' Namelist nam_dynldf : set lateral mixing parameters' |
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[1954] | 80 | WRITE(numout,*) ' laplacian operator ln_dynldf_lap = ', ln_dynldf_lap |
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| 81 | WRITE(numout,*) ' bilaplacian operator ln_dynldf_bilap = ', ln_dynldf_bilap |
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| 82 | WRITE(numout,*) ' iso-level ln_dynldf_level = ', ln_dynldf_level |
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| 83 | WRITE(numout,*) ' horizontal (geopotential) ln_dynldf_hor = ', ln_dynldf_hor |
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| 84 | WRITE(numout,*) ' iso-neutral ln_dynldf_iso = ', ln_dynldf_iso |
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| 85 | WRITE(numout,*) ' horizontal laplacian eddy viscosity rn_ahm_0 = ', rn_ahm_0 |
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| 86 | WRITE(numout,*) ' background viscosity rn_ahmb_0 = ', rn_ahmb_0 |
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| 87 | WRITE(numout,*) ' horizontal bilaplacian eddy viscosity rn_ahm_0 = ', rn_ahm_0 |
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| 88 | |
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[3] | 89 | ENDIF |
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| 90 | |
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[1954] | 91 | ahm0 = rn_ahm_0 ! OLD namelist variables defined from DOCTOR namelist variables |
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| 92 | ahmb0 = rn_ahmb_0 |
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| 93 | ahm0_blp = rn_ahm_0_blp |
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[1601] | 94 | |
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[461] | 95 | ! ... check of lateral diffusive operator on tracers |
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| 96 | ! ==> will be done in trazdf module |
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[3] | 97 | |
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| 98 | ! ... Space variation of eddy coefficients |
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| 99 | ioptio = 0 |
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| 100 | #if defined key_dynldf_c3d |
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[1601] | 101 | IF(lwp) WRITE(numout,*) ' momentum mixing coef. = F( latitude, longitude, depth)' |
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[3] | 102 | ioptio = ioptio+1 |
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| 103 | #endif |
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| 104 | #if defined key_dynldf_c2d |
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[1601] | 105 | IF(lwp) WRITE(numout,*) ' momentum mixing coef. = F( latitude, longitude)' |
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[3] | 106 | ioptio = ioptio+1 |
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| 107 | #endif |
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| 108 | #if defined key_dynldf_c1d |
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[1601] | 109 | IF(lwp) WRITE(numout,*) ' momentum mixing coef. = F( depth )' |
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[3] | 110 | ioptio = ioptio+1 |
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[1601] | 111 | IF( ln_sco ) CALL ctl_stop( 'key_dynldf_c1d cannot be used in s-coordinate (ln_sco)' ) |
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[3] | 112 | #endif |
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| 113 | IF( ioptio == 0 ) THEN |
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[1601] | 114 | IF(lwp) WRITE(numout,*) ' momentum mixing coef. = constant (default option)' |
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[3] | 115 | ELSEIF( ioptio > 1 ) THEN |
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[1601] | 116 | CALL ctl_stop( 'use only one of the following keys: key_dynldf_c3d, key_dynldf_c2d, key_dynldf_c1d' ) |
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[3] | 117 | ENDIF |
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| 118 | |
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| 119 | |
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[461] | 120 | IF( ln_dynldf_bilap ) THEN |
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[1601] | 121 | IF(lwp) WRITE(numout,*) ' biharmonic momentum diffusion' |
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[1954] | 122 | IF( ahm0_blp == 0.0 ) ahm0_blp = ahm0 ! Old namelist method: bilap specified with ahm0 |
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| 123 | IF( .NOT. ln_dynldf_lap ) ahm0 = ahm0_blp ! Allow spatially varying coefs, which use ahm0 as input |
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| 124 | IF( ahm0_blp > 0 .AND. .NOT. lk_esopa ) CALL ctl_stop( 'The horizontal viscosity coef. ahm0 must be negative' ) |
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[3] | 125 | ELSE |
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[1601] | 126 | IF(lwp) WRITE(numout,*) ' harmonic momentum diff. (default)' |
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| 127 | IF( ahm0 < 0 .AND. .NOT. lk_esopa ) CALL ctl_stop( 'The horizontal viscosity coef. ahm0 must be positive' ) |
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[3] | 128 | ENDIF |
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| 129 | |
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| 130 | |
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| 131 | ! Lateral eddy viscosity |
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| 132 | ! ====================== |
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| 133 | #if defined key_dynldf_c3d |
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| 134 | CALL ldf_dyn_c3d( ll_print ) ! ahm = 3D coef. = F( longitude, latitude, depth ) |
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| 135 | #elif defined key_dynldf_c2d |
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| 136 | CALL ldf_dyn_c2d( ll_print ) ! ahm = 1D coef. = F( longitude, latitude ) |
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| 137 | #elif defined key_dynldf_c1d |
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| 138 | CALL ldf_dyn_c1d( ll_print ) ! ahm = 1D coef. = F( depth ) |
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| 139 | #else |
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| 140 | ! Constant coefficients |
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| 141 | IF(lwp) WRITE(numout,*) |
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| 142 | IF(lwp) WRITE(numout,*) 'inildf: constant eddy viscosity coef. ' |
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| 143 | IF(lwp) WRITE(numout,*) '~~~~~~' |
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| 144 | IF(lwp) WRITE(numout,*) ' ahm1 = ahm2 = ahm0 = ',ahm0 |
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| 145 | #endif |
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[1601] | 146 | ! |
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[3] | 147 | END SUBROUTINE ldf_dyn_init |
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| 148 | |
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| 149 | #if defined key_dynldf_c3d |
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| 150 | # include "ldfdyn_c3d.h90" |
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| 151 | #elif defined key_dynldf_c2d |
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| 152 | # include "ldfdyn_c2d.h90" |
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| 153 | #elif defined key_dynldf_c1d |
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| 154 | # include "ldfdyn_c1d.h90" |
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| 155 | #endif |
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| 156 | |
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| 157 | |
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| 158 | SUBROUTINE ldf_zpf_1d( ld_print, pdam, pwam, pbot, pdep, pah ) |
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| 159 | !!---------------------------------------------------------------------- |
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| 160 | !! *** ROUTINE ldf_zpf *** |
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| 161 | !! |
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| 162 | !! ** Purpose : vertical adimensional profile for eddy coefficient |
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| 163 | !! |
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| 164 | !! ** Method : 1D eddy viscosity coefficients ( depth ) |
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[1601] | 165 | !!---------------------------------------------------------------------- |
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| 166 | LOGICAL , INTENT(in ) :: ld_print ! If true, output arrays on numout |
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| 167 | REAL(wp), INTENT(in ) :: pdam ! depth of the inflection point |
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| 168 | REAL(wp), INTENT(in ) :: pwam ! width of inflection |
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| 169 | REAL(wp), INTENT(in ) :: pbot ! bottom value (0<pbot<= 1) |
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| 170 | REAL(wp), INTENT(in ), DIMENSION(jpk) :: pdep ! depth of the gridpoint (T, U, V, F) |
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| 171 | REAL(wp), INTENT(inout), DIMENSION(jpk) :: pah ! adimensional vertical profile |
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[3] | 172 | !! |
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| 173 | INTEGER :: jk ! dummy loop indices |
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| 174 | REAL(wp) :: zm00, zm01, zmhb, zmhs ! temporary scalars |
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| 175 | !!---------------------------------------------------------------------- |
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| 176 | |
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[461] | 177 | zm00 = TANH( ( pdam - gdept_0(1 ) ) / pwam ) |
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| 178 | zm01 = TANH( ( pdam - gdept_0(jpkm1) ) / pwam ) |
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[3] | 179 | zmhs = zm00 / zm01 |
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| 180 | zmhb = ( 1.e0 - pbot ) / ( 1.e0 - zmhs ) / zm01 |
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| 181 | |
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| 182 | DO jk = 1, jpk |
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| 183 | pah(jk) = 1.e0 + zmhb * ( zm00 - TANH( ( pdam - pdep(jk) ) / pwam ) ) |
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| 184 | END DO |
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| 185 | |
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[1601] | 186 | IF(lwp .AND. ld_print ) THEN ! Control print |
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[3] | 187 | WRITE(numout,*) |
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| 188 | WRITE(numout,*) ' ahm profile : ' |
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| 189 | WRITE(numout,*) |
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| 190 | WRITE(numout,'(" jk ahm "," depth t-level " )') |
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| 191 | DO jk = 1, jpk |
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| 192 | WRITE(numout,'(i6,2f12.4,3x,2f12.4)') jk, pah(jk), pdep(jk) |
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| 193 | END DO |
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| 194 | ENDIF |
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[1601] | 195 | ! |
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[3] | 196 | END SUBROUTINE ldf_zpf_1d |
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| 197 | |
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| 198 | |
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[71] | 199 | SUBROUTINE ldf_zpf_1d_3d( ld_print, pdam, pwam, pbot, pdep, pah ) |
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| 200 | !!---------------------------------------------------------------------- |
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| 201 | !! *** ROUTINE ldf_zpf *** |
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| 202 | !! |
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| 203 | !! ** Purpose : vertical adimensional profile for eddy coefficient |
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| 204 | !! |
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| 205 | !! ** Method : 1D eddy viscosity coefficients ( depth ) |
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[1601] | 206 | !!---------------------------------------------------------------------- |
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| 207 | LOGICAL , INTENT(in ) :: ld_print ! If true, output arrays on numout |
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| 208 | REAL(wp), INTENT(in ) :: pdam ! depth of the inflection point |
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| 209 | REAL(wp), INTENT(in ) :: pwam ! width of inflection |
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| 210 | REAL(wp), INTENT(in ) :: pbot ! bottom value (0<pbot<= 1) |
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| 211 | REAL(wp), INTENT(in ), DIMENSION (jpk) :: pdep ! depth of the gridpoint (T, U, V, F) |
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| 212 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pah ! adimensional vertical profile |
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[71] | 213 | !! |
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| 214 | INTEGER :: jk ! dummy loop indices |
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| 215 | REAL(wp) :: zm00, zm01, zmhb, zmhs, zcf ! temporary scalars |
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| 216 | !!---------------------------------------------------------------------- |
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| 217 | |
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[461] | 218 | zm00 = TANH( ( pdam - gdept_0(1 ) ) / pwam ) |
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| 219 | zm01 = TANH( ( pdam - gdept_0(jpkm1) ) / pwam ) |
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[71] | 220 | zmhs = zm00 / zm01 |
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| 221 | zmhb = ( 1.e0 - pbot ) / ( 1.e0 - zmhs ) / zm01 |
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| 222 | |
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| 223 | DO jk = 1, jpk |
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| 224 | zcf = 1.e0 + zmhb * ( zm00 - TANH( ( pdam - pdep(jk) ) / pwam ) ) |
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| 225 | pah(:,:,jk) = zcf |
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| 226 | END DO |
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| 227 | |
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[1601] | 228 | IF(lwp .AND. ld_print ) THEN ! Control print |
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[71] | 229 | WRITE(numout,*) |
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| 230 | WRITE(numout,*) ' ahm profile : ' |
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| 231 | WRITE(numout,*) |
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| 232 | WRITE(numout,'(" jk ahm "," depth t-level " )') |
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| 233 | DO jk = 1, jpk |
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[174] | 234 | WRITE(numout,'(i6,2f12.4,3x,2f12.4)') jk, pah(1,1,jk), pdep(jk) |
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[71] | 235 | END DO |
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| 236 | ENDIF |
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[1601] | 237 | ! |
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[71] | 238 | END SUBROUTINE ldf_zpf_1d_3d |
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| 239 | |
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| 240 | |
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[3] | 241 | SUBROUTINE ldf_zpf_3d( ld_print, pdam, pwam, pbot, pdep, pah ) |
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| 242 | !!---------------------------------------------------------------------- |
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| 243 | !! *** ROUTINE ldf_zpf *** |
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| 244 | !! |
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| 245 | !! ** Purpose : vertical adimensional profile for eddy coefficient |
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| 246 | !! |
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| 247 | !! ** Method : 3D for partial step or s-coordinate |
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[1601] | 248 | !!---------------------------------------------------------------------- |
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| 249 | LOGICAL , INTENT(in ) :: ld_print ! If true, output arrays on numout |
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| 250 | REAL(wp), INTENT(in ) :: pdam ! depth of the inflection point |
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| 251 | REAL(wp), INTENT(in ) :: pwam ! width of inflection |
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| 252 | REAL(wp), INTENT(in ) :: pbot ! bottom value (0<pbot<= 1) |
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| 253 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pdep ! dep of the gridpoint (T, U, V, F) |
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| 254 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: pah ! adimensional vertical profile |
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[3] | 255 | !! |
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| 256 | INTEGER :: jk ! dummy loop indices |
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| 257 | REAL(wp) :: zm00, zm01, zmhb, zmhs ! temporary scalars |
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| 258 | !!---------------------------------------------------------------------- |
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| 259 | |
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[461] | 260 | zm00 = TANH( ( pdam - gdept_0(1 ) ) / pwam ) |
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| 261 | zm01 = TANH( ( pdam - gdept_0(jpkm1) ) / pwam ) |
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[3] | 262 | zmhs = zm00 / zm01 |
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| 263 | zmhb = ( 1.e0 - pbot ) / ( 1.e0 - zmhs ) / zm01 |
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| 264 | |
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| 265 | DO jk = 1, jpk |
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| 266 | pah(:,:,jk) = 1.e0 + zmhb * ( zm00 - TANH( ( pdam - pdep(:,:,jk) ) / pwam ) ) |
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| 267 | END DO |
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| 268 | |
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[1601] | 269 | IF(lwp .AND. ld_print ) THEN ! Control print |
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[3] | 270 | WRITE(numout,*) |
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| 271 | WRITE(numout,*) ' ahm profile : ' |
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| 272 | WRITE(numout,*) |
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| 273 | WRITE(numout,'(" jk ahm "," depth t-level " )') |
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| 274 | DO jk = 1, jpk |
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| 275 | WRITE(numout,'(i6,2f12.4,3x,2f12.4)') jk, pah(1,1,jk), pdep(1,1,jk) |
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| 276 | END DO |
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| 277 | ENDIF |
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[1601] | 278 | ! |
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| 279 | END SUBROUTINE ldf_zpf_3d |
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[3] | 280 | |
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| 281 | !!====================================================================== |
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| 282 | END MODULE ldfdyn |
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