[3] | 1 | MODULE ldftra |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE ldftra *** |
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[5836] | 4 | !! Ocean physics: lateral diffusivity coefficients |
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[3] | 5 | !!===================================================================== |
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[5836] | 6 | !! History : ! 1997-07 (G. Madec) from inimix.F split in 2 routines |
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| 7 | !! NEMO 1.0 ! 2002-09 (G. Madec) F90: Free form and module |
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| 8 | !! 2.0 ! 2005-11 (G. Madec) |
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| 9 | !! 3.7 ! 2013-12 (F. Lemarie, G. Madec) restructuration/simplification of aht/aeiv specification, |
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| 10 | !! ! add velocity dependent coefficient and optional read in file |
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[3] | 11 | !!---------------------------------------------------------------------- |
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[1601] | 12 | |
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| 13 | !!---------------------------------------------------------------------- |
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[3] | 14 | !! ldf_tra_init : initialization, namelist read, and parameters control |
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[5836] | 15 | !! ldf_tra : update lateral eddy diffusivity coefficients at each time step |
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| 16 | !! ldf_eiv_init : initialization of the eiv coeff. from namelist choices |
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| 17 | !! ldf_eiv : time evolution of the eiv coefficients (function of the growth rate of baroclinic instability) |
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| 18 | !! ldf_eiv_trp : add to the input ocean transport the contribution of the EIV parametrization |
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| 19 | !! ldf_eiv_dia : diagnose the eddy induced velocity from the eiv streamfunction |
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[3] | 20 | !!---------------------------------------------------------------------- |
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| 21 | USE oce ! ocean dynamics and tracers |
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| 22 | USE dom_oce ! ocean space and time domain |
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| 23 | USE phycst ! physical constants |
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[5836] | 24 | USE ldfslp ! lateral diffusion: slope of iso-neutral surfaces |
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| 25 | USE ldfc1d_c2d ! lateral diffusion: 1D & 2D cases |
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[7646] | 26 | USE diaptr |
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[5836] | 27 | ! |
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[3] | 28 | USE in_out_manager ! I/O manager |
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[5836] | 29 | USE iom ! I/O module for ehanced bottom friction file |
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[3] | 30 | USE lib_mpp ! distribued memory computing library |
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| 31 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 32 | |
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| 33 | IMPLICIT NONE |
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| 34 | PRIVATE |
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| 35 | |
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[5836] | 36 | PUBLIC ldf_tra_init ! called by nemogcm.F90 |
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| 37 | PUBLIC ldf_tra ! called by step.F90 |
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| 38 | PUBLIC ldf_eiv_init ! called by nemogcm.F90 |
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| 39 | PUBLIC ldf_eiv ! called by step.F90 |
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| 40 | PUBLIC ldf_eiv_trp ! called by traadv.F90 |
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| 41 | PUBLIC ldf_eiv_dia ! called by traldf_iso and traldf_iso_triad.F90 |
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| 42 | |
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| 43 | ! !!* Namelist namtra_ldf : lateral mixing on tracers * |
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| 44 | ! != Operator type =! |
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[9526] | 45 | LOGICAL , PUBLIC :: ln_traldf_OFF !: no operator: No explicit diffusion |
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[5836] | 46 | LOGICAL , PUBLIC :: ln_traldf_lap !: laplacian operator |
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| 47 | LOGICAL , PUBLIC :: ln_traldf_blp !: bilaplacian operator |
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| 48 | ! != Direction of action =! |
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| 49 | LOGICAL , PUBLIC :: ln_traldf_lev !: iso-level direction |
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| 50 | LOGICAL , PUBLIC :: ln_traldf_hor !: horizontal (geopotential) direction |
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| 51 | ! LOGICAL , PUBLIC :: ln_traldf_iso !: iso-neutral direction (see ldfslp) |
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[9490] | 52 | ! != iso-neutral options =! |
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[5836] | 53 | ! LOGICAL , PUBLIC :: ln_traldf_triad !: griffies triad scheme (see ldfslp) |
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| 54 | LOGICAL , PUBLIC :: ln_traldf_msc !: Method of Stabilizing Correction |
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| 55 | ! LOGICAL , PUBLIC :: ln_triad_iso !: pure horizontal mixing in ML (see ldfslp) |
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| 56 | ! LOGICAL , PUBLIC :: ln_botmix_triad !: mixing on bottom (see ldfslp) |
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| 57 | ! REAL(wp), PUBLIC :: rn_sw_triad !: =1/0 switching triad / all 4 triads used (see ldfslp) |
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| 58 | ! REAL(wp), PUBLIC :: rn_slpmax !: slope limit (see ldfslp) |
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| 59 | ! != Coefficients =! |
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| 60 | INTEGER , PUBLIC :: nn_aht_ijk_t !: choice of time & space variations of the lateral eddy diffusivity coef. |
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[9490] | 61 | ! ! time invariant coefficients: aht_0 = 1/2 Ud*Ld (lap case) |
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| 62 | ! ! bht_0 = 1/12 Ud*Ld^3 (blp case) |
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| 63 | REAL(wp), PUBLIC :: rn_Ud !: lateral diffusive velocity [m/s] |
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| 64 | REAL(wp), PUBLIC :: rn_Ld !: lateral diffusive length [m] |
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[3] | 65 | |
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[9490] | 66 | ! !!* Namelist namtra_eiv : eddy induced velocity param. * |
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[5836] | 67 | ! != Use/diagnose eiv =! |
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| 68 | LOGICAL , PUBLIC :: ln_ldfeiv !: eddy induced velocity flag |
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| 69 | LOGICAL , PUBLIC :: ln_ldfeiv_dia !: diagnose & output eiv streamfunction and velocity (IOM) |
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| 70 | ! != Coefficients =! |
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| 71 | INTEGER , PUBLIC :: nn_aei_ijk_t !: choice of time/space variation of the eiv coeff. |
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[9490] | 72 | REAL(wp), PUBLIC :: rn_Ue !: lateral diffusive velocity [m/s] |
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| 73 | REAL(wp), PUBLIC :: rn_Le !: lateral diffusive length [m] |
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[5836] | 74 | |
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[9490] | 75 | ! ! Flag to control the type of lateral diffusive operator |
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| 76 | INTEGER, PARAMETER, PUBLIC :: np_ERROR =-10 ! error in specification of lateral diffusion |
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| 77 | INTEGER, PARAMETER, PUBLIC :: np_no_ldf = 00 ! without operator (i.e. no lateral diffusive trend) |
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| 78 | ! !! laplacian ! bilaplacian ! |
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| 79 | INTEGER, PARAMETER, PUBLIC :: np_lap = 10 , np_blp = 20 ! iso-level operator |
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| 80 | INTEGER, PARAMETER, PUBLIC :: np_lap_i = 11 , np_blp_i = 21 ! standard iso-neutral or geopotential operator |
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| 81 | INTEGER, PARAMETER, PUBLIC :: np_lap_it = 12 , np_blp_it = 22 ! triad iso-neutral or geopotential operator |
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| 82 | |
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| 83 | INTEGER , PUBLIC :: nldf_tra = 0 !: type of lateral diffusion used defined from ln_traldf_... (namlist logicals) |
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[5836] | 84 | LOGICAL , PUBLIC :: l_ldftra_time = .FALSE. !: flag for time variation of the lateral eddy diffusivity coef. |
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[9490] | 85 | LOGICAL , PUBLIC :: l_ldfeiv_time = .FALSE. !: flag for time variation of the eiv coef. |
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[5836] | 86 | |
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| 87 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ahtu, ahtv !: eddy diffusivity coef. at U- and V-points [m2/s] |
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| 88 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: aeiu, aeiv !: eddy induced velocity coeff. [m2/s] |
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| 89 | |
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[9490] | 90 | REAL(wp) :: aht0, aei0 ! constant eddy coefficients (deduced from namelist values) [m2/s] |
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| 91 | REAL(wp) :: r1_2 = 0.5_wp ! =1/2 |
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[5836] | 92 | REAL(wp) :: r1_4 = 0.25_wp ! =1/4 |
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| 93 | REAL(wp) :: r1_12 = 1._wp / 12._wp ! =1/12 |
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| 94 | |
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[3] | 95 | !! * Substitutions |
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| 96 | # include "vectopt_loop_substitute.h90" |
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[1601] | 97 | !!---------------------------------------------------------------------- |
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[9598] | 98 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[1152] | 99 | !! $Id$ |
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[10068] | 100 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[1601] | 101 | !!---------------------------------------------------------------------- |
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[3] | 102 | CONTAINS |
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| 103 | |
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| 104 | SUBROUTINE ldf_tra_init |
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| 105 | !!---------------------------------------------------------------------- |
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| 106 | !! *** ROUTINE ldf_tra_init *** |
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| 107 | !! |
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[461] | 108 | !! ** Purpose : initializations of the tracer lateral mixing coeff. |
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[3] | 109 | !! |
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[5836] | 110 | !! ** Method : * the eddy diffusivity coef. specification depends on: |
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[3] | 111 | !! |
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[5836] | 112 | !! ln_traldf_lap = T laplacian operator |
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| 113 | !! ln_traldf_blp = T bilaplacian operator |
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| 114 | !! |
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| 115 | !! nn_aht_ijk_t = 0 => = constant |
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| 116 | !! ! |
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| 117 | !! = 10 => = F(z) : constant with a reduction of 1/4 with depth |
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| 118 | !! ! |
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| 119 | !! =-20 => = F(i,j) = shape read in 'eddy_diffusivity.nc' file |
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| 120 | !! = 20 = F(i,j) = F(e1,e2) or F(e1^3,e2^3) (lap or bilap case) |
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| 121 | !! = 21 = F(i,j,t) = F(growth rate of baroclinic instability) |
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| 122 | !! ! |
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| 123 | !! =-30 => = F(i,j,k) = shape read in 'eddy_diffusivity.nc' file |
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| 124 | !! = 30 = F(i,j,k) = 2D (case 20) + decrease with depth (case 10) |
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[9490] | 125 | !! = 31 = F(i,j,k,t) = F(local velocity) ( 1/2 |u|e laplacian operator |
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| 126 | !! or 1/12 |u|e^3 bilaplacian operator ) |
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[5836] | 127 | !! * initialisation of the eddy induced velocity coefficient by a call to ldf_eiv_init |
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| 128 | !! |
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[9490] | 129 | !! ** action : ahtu, ahtv initialized one for all or l_ldftra_time set to true |
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| 130 | !! aeiu, aeiv initialized one for all or l_ldfeiv_time set to true |
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[3] | 131 | !!---------------------------------------------------------------------- |
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[9490] | 132 | INTEGER :: jk ! dummy loop indices |
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| 133 | INTEGER :: ioptio, ierr, inum, ios, inn ! local integer |
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| 134 | REAL(wp) :: zah_max, zUfac ! - - |
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| 135 | CHARACTER(len=5) :: cl_Units ! units (m2/s or m4/s) |
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[9019] | 136 | !! |
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[9526] | 137 | NAMELIST/namtra_ldf/ ln_traldf_OFF, ln_traldf_lap , ln_traldf_blp , & ! type of operator |
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| 138 | & ln_traldf_lev, ln_traldf_hor , ln_traldf_triad, & ! acting direction of the operator |
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| 139 | & ln_traldf_iso, ln_traldf_msc , rn_slpmax , & ! option for iso-neutral operator |
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| 140 | & ln_triad_iso , ln_botmix_triad, rn_sw_triad , & ! option for triad operator |
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| 141 | & nn_aht_ijk_t , rn_Ud , rn_Ld ! lateral eddy coefficient |
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[3] | 142 | !!---------------------------------------------------------------------- |
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[5836] | 143 | ! |
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[9169] | 144 | IF(lwp) THEN ! control print |
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| 145 | WRITE(numout,*) |
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[9490] | 146 | WRITE(numout,*) 'ldf_tra_init : lateral tracer diffusion' |
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[9169] | 147 | WRITE(numout,*) '~~~~~~~~~~~~ ' |
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| 148 | ENDIF |
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[9490] | 149 | |
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[9169] | 150 | ! |
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[5836] | 151 | ! Choice of lateral tracer physics |
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| 152 | ! ================================= |
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| 153 | ! |
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[12276] | 154 | REWIND( numnam_ref ) |
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[4147] | 155 | READ ( numnam_ref, namtra_ldf, IOSTAT = ios, ERR = 901) |
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[11536] | 156 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtra_ldf in reference namelist' ) |
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[12276] | 157 | |
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| 158 | REWIND( numnam_cfg ) |
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[4147] | 159 | READ ( numnam_cfg, namtra_ldf, IOSTAT = ios, ERR = 902 ) |
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[11536] | 160 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namtra_ldf in configuration namelist' ) |
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[9169] | 161 | IF(lwm) WRITE( numond, namtra_ldf ) |
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[5836] | 162 | ! |
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[1601] | 163 | IF(lwp) THEN ! control print |
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[9169] | 164 | WRITE(numout,*) ' Namelist : namtra_ldf --- lateral mixing parameters (type, direction, coefficients)' |
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[5836] | 165 | WRITE(numout,*) ' type :' |
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[9526] | 166 | WRITE(numout,*) ' no explicit diffusion ln_traldf_OFF = ', ln_traldf_OFF |
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[5836] | 167 | WRITE(numout,*) ' laplacian operator ln_traldf_lap = ', ln_traldf_lap |
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| 168 | WRITE(numout,*) ' bilaplacian operator ln_traldf_blp = ', ln_traldf_blp |
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| 169 | WRITE(numout,*) ' direction of action :' |
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| 170 | WRITE(numout,*) ' iso-level ln_traldf_lev = ', ln_traldf_lev |
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| 171 | WRITE(numout,*) ' horizontal (geopotential) ln_traldf_hor = ', ln_traldf_hor |
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| 172 | WRITE(numout,*) ' iso-neutral Madec operator ln_traldf_iso = ', ln_traldf_iso |
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| 173 | WRITE(numout,*) ' iso-neutral triad operator ln_traldf_triad = ', ln_traldf_triad |
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[9490] | 174 | WRITE(numout,*) ' use the Method of Stab. Correction ln_traldf_msc = ', ln_traldf_msc |
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[5836] | 175 | WRITE(numout,*) ' maximum isoppycnal slope rn_slpmax = ', rn_slpmax |
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| 176 | WRITE(numout,*) ' pure lateral mixing in ML ln_triad_iso = ', ln_triad_iso |
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| 177 | WRITE(numout,*) ' switching triad or not rn_sw_triad = ', rn_sw_triad |
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| 178 | WRITE(numout,*) ' lateral mixing on bottom ln_botmix_triad = ', ln_botmix_triad |
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| 179 | WRITE(numout,*) ' coefficients :' |
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| 180 | WRITE(numout,*) ' type of time-space variation nn_aht_ijk_t = ', nn_aht_ijk_t |
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[9490] | 181 | WRITE(numout,*) ' lateral diffusive velocity (if cst) rn_Ud = ', rn_Ud, ' m/s' |
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| 182 | WRITE(numout,*) ' lateral diffusive length (if cst) rn_Ld = ', rn_Ld, ' m' |
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[3] | 183 | ENDIF |
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[5836] | 184 | ! |
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| 185 | ! |
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[9490] | 186 | ! Operator and its acting direction (set nldf_tra) |
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| 187 | ! ================================= |
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| 188 | ! |
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| 189 | nldf_tra = np_ERROR |
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| 190 | ioptio = 0 |
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[9526] | 191 | IF( ln_traldf_OFF ) THEN ; nldf_tra = np_no_ldf ; ioptio = ioptio + 1 ; ENDIF |
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| 192 | IF( ln_traldf_lap ) THEN ; ioptio = ioptio + 1 ; ENDIF |
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| 193 | IF( ln_traldf_blp ) THEN ; ioptio = ioptio + 1 ; ENDIF |
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| 194 | IF( ioptio /= 1 ) CALL ctl_stop( 'tra_ldf_init: use ONE of the 3 operator options (NONE/lap/blp)' ) |
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[9490] | 195 | ! |
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[9526] | 196 | IF( .NOT.ln_traldf_OFF ) THEN !== direction ==>> type of operator ==! |
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[9490] | 197 | ioptio = 0 |
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[9737] | 198 | IF( ln_traldf_lev ) ioptio = ioptio + 1 |
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| 199 | IF( ln_traldf_hor ) ioptio = ioptio + 1 |
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| 200 | IF( ln_traldf_iso ) ioptio = ioptio + 1 |
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| 201 | IF( ln_traldf_triad ) ioptio = ioptio + 1 |
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| 202 | IF( ioptio /= 1 ) CALL ctl_stop( 'tra_ldf_init: use ONE direction (level/hor/iso/triad)' ) |
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[9490] | 203 | ! |
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| 204 | ! ! defined the type of lateral diffusion from ln_traldf_... logicals |
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| 205 | ierr = 0 |
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| 206 | IF ( ln_traldf_lap ) THEN ! laplacian operator |
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| 207 | IF ( ln_zco ) THEN ! z-coordinate |
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| 208 | IF ( ln_traldf_lev ) nldf_tra = np_lap ! iso-level = horizontal (no rotation) |
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| 209 | IF ( ln_traldf_hor ) nldf_tra = np_lap ! iso-level = horizontal (no rotation) |
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| 210 | IF ( ln_traldf_iso ) nldf_tra = np_lap_i ! iso-neutral: standard ( rotation) |
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| 211 | IF ( ln_traldf_triad ) nldf_tra = np_lap_it ! iso-neutral: triad ( rotation) |
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| 212 | ENDIF |
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| 213 | IF ( ln_zps ) THEN ! z-coordinate with partial step |
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| 214 | IF ( ln_traldf_lev ) ierr = 1 ! iso-level not allowed |
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| 215 | IF ( ln_traldf_hor ) nldf_tra = np_lap ! horizontal (no rotation) |
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| 216 | IF ( ln_traldf_iso ) nldf_tra = np_lap_i ! iso-neutral: standard (rotation) |
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| 217 | IF ( ln_traldf_triad ) nldf_tra = np_lap_it ! iso-neutral: triad (rotation) |
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| 218 | ENDIF |
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| 219 | IF ( ln_sco ) THEN ! s-coordinate |
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| 220 | IF ( ln_traldf_lev ) nldf_tra = np_lap ! iso-level (no rotation) |
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| 221 | IF ( ln_traldf_hor ) nldf_tra = np_lap_i ! horizontal ( rotation) |
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| 222 | IF ( ln_traldf_iso ) nldf_tra = np_lap_i ! iso-neutral: standard ( rotation) |
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| 223 | IF ( ln_traldf_triad ) nldf_tra = np_lap_it ! iso-neutral: triad ( rotation) |
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| 224 | ENDIF |
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| 225 | ENDIF |
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| 226 | ! |
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| 227 | IF( ln_traldf_blp ) THEN ! bilaplacian operator |
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| 228 | IF ( ln_zco ) THEN ! z-coordinate |
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| 229 | IF ( ln_traldf_lev ) nldf_tra = np_blp ! iso-level = horizontal (no rotation) |
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| 230 | IF ( ln_traldf_hor ) nldf_tra = np_blp ! iso-level = horizontal (no rotation) |
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| 231 | IF ( ln_traldf_iso ) nldf_tra = np_blp_i ! iso-neutral: standard ( rotation) |
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| 232 | IF ( ln_traldf_triad ) nldf_tra = np_blp_it ! iso-neutral: triad ( rotation) |
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| 233 | ENDIF |
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| 234 | IF ( ln_zps ) THEN ! z-coordinate with partial step |
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| 235 | IF ( ln_traldf_lev ) ierr = 1 ! iso-level not allowed |
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| 236 | IF ( ln_traldf_hor ) nldf_tra = np_blp ! horizontal (no rotation) |
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| 237 | IF ( ln_traldf_iso ) nldf_tra = np_blp_i ! iso-neutral: standard ( rotation) |
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| 238 | IF ( ln_traldf_triad ) nldf_tra = np_blp_it ! iso-neutral: triad ( rotation) |
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| 239 | ENDIF |
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| 240 | IF ( ln_sco ) THEN ! s-coordinate |
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| 241 | IF ( ln_traldf_lev ) nldf_tra = np_blp ! iso-level (no rotation) |
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| 242 | IF ( ln_traldf_hor ) nldf_tra = np_blp_it ! horizontal ( rotation) |
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| 243 | IF ( ln_traldf_iso ) nldf_tra = np_blp_i ! iso-neutral: standard ( rotation) |
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| 244 | IF ( ln_traldf_triad ) nldf_tra = np_blp_it ! iso-neutral: triad ( rotation) |
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| 245 | ENDIF |
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| 246 | ENDIF |
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| 247 | IF ( ierr == 1 ) CALL ctl_stop( 'iso-level in z-partial step, not allowed' ) |
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[5836] | 248 | ENDIF |
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| 249 | ! |
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[9490] | 250 | IF( ln_ldfeiv .AND. .NOT.( ln_traldf_iso .OR. ln_traldf_triad ) ) & |
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| 251 | & CALL ctl_stop( 'ln_ldfeiv=T requires iso-neutral laplacian diffusion' ) |
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| 252 | IF( ln_isfcav .AND. ln_traldf_triad ) & |
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| 253 | & CALL ctl_stop( ' ice shelf cavity and traldf_triad not tested' ) |
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| 254 | ! |
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| 255 | IF( nldf_tra == np_lap_i .OR. nldf_tra == np_lap_it .OR. & |
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| 256 | & nldf_tra == np_blp_i .OR. nldf_tra == np_blp_it ) l_ldfslp = .TRUE. ! slope of neutral surfaces required |
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| 257 | ! |
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[5836] | 258 | IF( ln_traldf_blp .AND. ( ln_traldf_iso .OR. ln_traldf_triad) ) THEN ! iso-neutral bilaplacian need MSC |
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| 259 | IF( .NOT.ln_traldf_msc ) CALL ctl_stop( 'tra_ldf_init: iso-neutral bilaplacian requires ln_traldf_msc=.true.' ) |
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| 260 | ENDIF |
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| 261 | ! |
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[9490] | 262 | IF(lwp) THEN |
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| 263 | WRITE(numout,*) |
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| 264 | SELECT CASE( nldf_tra ) |
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| 265 | CASE( np_no_ldf ) ; WRITE(numout,*) ' ==>>> NO lateral diffusion' |
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| 266 | CASE( np_lap ) ; WRITE(numout,*) ' ==>>> laplacian iso-level operator' |
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| 267 | CASE( np_lap_i ) ; WRITE(numout,*) ' ==>>> Rotated laplacian operator (standard)' |
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| 268 | CASE( np_lap_it ) ; WRITE(numout,*) ' ==>>> Rotated laplacian operator (triad)' |
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| 269 | CASE( np_blp ) ; WRITE(numout,*) ' ==>>> bilaplacian iso-level operator' |
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| 270 | CASE( np_blp_i ) ; WRITE(numout,*) ' ==>>> Rotated bilaplacian operator (standard)' |
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| 271 | CASE( np_blp_it ) ; WRITE(numout,*) ' ==>>> Rotated bilaplacian operator (triad)' |
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| 272 | END SELECT |
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| 273 | WRITE(numout,*) |
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| 274 | ENDIF |
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| 275 | |
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| 276 | ! |
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[5836] | 277 | ! Space/time variation of eddy coefficients |
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| 278 | ! =========================================== |
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| 279 | ! |
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[9490] | 280 | l_ldftra_time = .FALSE. ! no time variation except in case defined below |
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[5836] | 281 | ! |
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[9526] | 282 | IF( ln_traldf_OFF ) THEN !== no explicit diffusive operator ==! |
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[5836] | 283 | ! |
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[9490] | 284 | IF(lwp) WRITE(numout,*) ' ==>>> No diffusive operator selected. ahtu and ahtv are not allocated' |
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| 285 | RETURN |
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[5836] | 286 | ! |
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[9490] | 287 | ELSE !== a lateral diffusion operator is used ==! |
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| 288 | ! |
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| 289 | ! ! allocate the aht arrays |
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| 290 | ALLOCATE( ahtu(jpi,jpj,jpk) , ahtv(jpi,jpj,jpk) , STAT=ierr ) |
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| 291 | IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'ldf_tra_init: failed to allocate arrays') |
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| 292 | ! |
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| 293 | ahtu(:,:,jpk) = 0._wp ! last level always 0 |
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| 294 | ahtv(:,:,jpk) = 0._wp |
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| 295 | !. |
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| 296 | ! ! value of lap/blp eddy mixing coef. |
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| 297 | IF( ln_traldf_lap ) THEN ; zUfac = r1_2 *rn_Ud ; inn = 1 ; cl_Units = ' m2/s' ! laplacian |
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| 298 | ELSEIF( ln_traldf_blp ) THEN ; zUfac = r1_12*rn_Ud ; inn = 3 ; cl_Units = ' m4/s' ! bilaplacian |
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| 299 | ENDIF |
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| 300 | aht0 = zUfac * rn_Ld**inn ! mixing coefficient |
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| 301 | zah_max = zUfac * (ra*rad)**inn ! maximum reachable coefficient (value at the Equator for e1=1 degree) |
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| 302 | ! |
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| 303 | ! |
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| 304 | SELECT CASE( nn_aht_ijk_t ) !* Specification of space-time variations of ahtu, ahtv |
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| 305 | ! |
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[5836] | 306 | CASE( 0 ) !== constant ==! |
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[9490] | 307 | IF(lwp) WRITE(numout,*) ' ==>>> eddy diffusivity = constant = ', aht0, cl_Units |
---|
| 308 | ahtu(:,:,1:jpkm1) = aht0 |
---|
| 309 | ahtv(:,:,1:jpkm1) = aht0 |
---|
[5836] | 310 | ! |
---|
| 311 | CASE( 10 ) !== fixed profile ==! |
---|
[9490] | 312 | IF(lwp) WRITE(numout,*) ' ==>>> eddy diffusivity = F( depth )' |
---|
| 313 | IF(lwp) WRITE(numout,*) ' surface eddy diffusivity = constant = ', aht0, cl_Units |
---|
| 314 | ahtu(:,:,1) = aht0 ! constant surface value |
---|
| 315 | ahtv(:,:,1) = aht0 |
---|
| 316 | CALL ldf_c1d( 'TRA', ahtu(:,:,1), ahtv(:,:,1), ahtu, ahtv ) |
---|
[5836] | 317 | ! |
---|
[9490] | 318 | CASE ( -20 ) !== fixed horizontal shape and magnitude read in file ==! |
---|
| 319 | IF(lwp) WRITE(numout,*) ' ==>>> eddy diffusivity = F(i,j) read in eddy_diffusivity.nc file' |
---|
[5836] | 320 | CALL iom_open( 'eddy_diffusivity_2D.nc', inum ) |
---|
| 321 | CALL iom_get ( inum, jpdom_data, 'ahtu_2D', ahtu(:,:,1) ) |
---|
| 322 | CALL iom_get ( inum, jpdom_data, 'ahtv_2D', ahtv(:,:,1) ) |
---|
| 323 | CALL iom_close( inum ) |
---|
| 324 | DO jk = 2, jpkm1 |
---|
[9490] | 325 | ahtu(:,:,jk) = ahtu(:,:,1) |
---|
| 326 | ahtv(:,:,jk) = ahtv(:,:,1) |
---|
[5836] | 327 | END DO |
---|
| 328 | ! |
---|
| 329 | CASE( 20 ) !== fixed horizontal shape ==! |
---|
[9490] | 330 | IF(lwp) WRITE(numout,*) ' ==>>> eddy diffusivity = F( e1, e2 ) or F( e1^3, e2^3 ) (lap or blp case)' |
---|
| 331 | IF(lwp) WRITE(numout,*) ' using a fixed diffusive velocity = ', rn_Ud,' m/s and Ld = Max(e1,e2)' |
---|
| 332 | IF(lwp) WRITE(numout,*) ' maximum reachable coefficient (at the Equator) = ', zah_max, cl_Units, ' for e1=1°)' |
---|
| 333 | CALL ldf_c2d( 'TRA', zUfac , inn , ahtu, ahtv ) ! value proportional to scale factor^inn |
---|
[5836] | 334 | ! |
---|
| 335 | CASE( 21 ) !== time varying 2D field ==! |
---|
[9490] | 336 | IF(lwp) WRITE(numout,*) ' ==>>> eddy diffusivity = F( latitude, longitude, time )' |
---|
| 337 | IF(lwp) WRITE(numout,*) ' = F( growth rate of baroclinic instability )' |
---|
| 338 | IF(lwp) WRITE(numout,*) ' min value = 0.2 * aht0 (with aht0= 1/2 rn_Ud*rn_Ld)' |
---|
| 339 | IF(lwp) WRITE(numout,*) ' max value = aei0 (with aei0=1/2 rn_Ue*Le increased to aht0 within 20N-20S' |
---|
[5836] | 340 | ! |
---|
| 341 | l_ldftra_time = .TRUE. ! will be calculated by call to ldf_tra routine in step.F90 |
---|
| 342 | ! |
---|
[9490] | 343 | IF( ln_traldf_blp ) CALL ctl_stop( 'ldf_tra_init: aht=F( growth rate of baroc. insta .)', & |
---|
| 344 | & ' incompatible with bilaplacian operator' ) |
---|
[5836] | 345 | ! |
---|
| 346 | CASE( -30 ) !== fixed 3D shape read in file ==! |
---|
[9490] | 347 | IF(lwp) WRITE(numout,*) ' ==>>> eddy diffusivity = F(i,j,k) read in eddy_diffusivity.nc file' |
---|
[5836] | 348 | CALL iom_open( 'eddy_diffusivity_3D.nc', inum ) |
---|
| 349 | CALL iom_get ( inum, jpdom_data, 'ahtu_3D', ahtu ) |
---|
| 350 | CALL iom_get ( inum, jpdom_data, 'ahtv_3D', ahtv ) |
---|
| 351 | CALL iom_close( inum ) |
---|
| 352 | ! |
---|
| 353 | CASE( 30 ) !== fixed 3D shape ==! |
---|
[9490] | 354 | IF(lwp) WRITE(numout,*) ' ==>>> eddy diffusivity = F( latitude, longitude, depth )' |
---|
| 355 | IF(lwp) WRITE(numout,*) ' using a fixed diffusive velocity = ', rn_Ud,' m/s and Ld = Max(e1,e2)' |
---|
| 356 | IF(lwp) WRITE(numout,*) ' maximum reachable coefficient (at the Equator) = ', zah_max, cl_Units, ' for e1=1°)' |
---|
| 357 | CALL ldf_c2d( 'TRA', zUfac , inn , ahtu, ahtv ) ! surface value proportional to scale factor^inn |
---|
| 358 | CALL ldf_c1d( 'TRA', ahtu(:,:,1), ahtv(:,:,1), ahtu, ahtv ) ! reduction with depth |
---|
[5836] | 359 | ! |
---|
| 360 | CASE( 31 ) !== time varying 3D field ==! |
---|
[9490] | 361 | IF(lwp) WRITE(numout,*) ' ==>>> eddy diffusivity = F( latitude, longitude, depth , time )' |
---|
| 362 | IF(lwp) WRITE(numout,*) ' proportional to the velocity : 1/2 |u|e or 1/12 |u|e^3' |
---|
[5836] | 363 | ! |
---|
| 364 | l_ldftra_time = .TRUE. ! will be calculated by call to ldf_tra routine in step.F90 |
---|
| 365 | ! |
---|
| 366 | CASE DEFAULT |
---|
| 367 | CALL ctl_stop('ldf_tra_init: wrong choice for nn_aht_ijk_t, the type of space-time variation of aht') |
---|
| 368 | END SELECT |
---|
| 369 | ! |
---|
[9490] | 370 | IF( .NOT.l_ldftra_time ) THEN !* No time variation |
---|
| 371 | IF( ln_traldf_lap ) THEN ! laplacian operator (mask only) |
---|
| 372 | ahtu(:,:,1:jpkm1) = ahtu(:,:,1:jpkm1) * umask(:,:,1:jpkm1) |
---|
| 373 | ahtv(:,:,1:jpkm1) = ahtv(:,:,1:jpkm1) * vmask(:,:,1:jpkm1) |
---|
| 374 | ELSEIF( ln_traldf_blp ) THEN ! bilaplacian operator (square root + mask) |
---|
| 375 | ahtu(:,:,1:jpkm1) = SQRT( ahtu(:,:,1:jpkm1) ) * umask(:,:,1:jpkm1) |
---|
| 376 | ahtv(:,:,1:jpkm1) = SQRT( ahtv(:,:,1:jpkm1) ) * vmask(:,:,1:jpkm1) |
---|
| 377 | ENDIF |
---|
[5836] | 378 | ENDIF |
---|
| 379 | ! |
---|
| 380 | ENDIF |
---|
| 381 | ! |
---|
| 382 | END SUBROUTINE ldf_tra_init |
---|
[3] | 383 | |
---|
| 384 | |
---|
[5836] | 385 | SUBROUTINE ldf_tra( kt ) |
---|
| 386 | !!---------------------------------------------------------------------- |
---|
| 387 | !! *** ROUTINE ldf_tra *** |
---|
| 388 | !! |
---|
| 389 | !! ** Purpose : update at kt the tracer lateral mixing coeff. (aht and aeiv) |
---|
| 390 | !! |
---|
[9490] | 391 | !! ** Method : * time varying eddy diffusivity coefficients: |
---|
[5836] | 392 | !! |
---|
| 393 | !! nn_aei_ijk_t = 21 aeiu, aeiv = F(i,j, t) = F(growth rate of baroclinic instability) |
---|
| 394 | !! with a reduction to 0 in vicinity of the Equator |
---|
| 395 | !! nn_aht_ijk_t = 21 ahtu, ahtv = F(i,j, t) = F(growth rate of baroclinic instability) |
---|
| 396 | !! |
---|
| 397 | !! = 31 ahtu, ahtv = F(i,j,k,t) = F(local velocity) ( |u|e /12 laplacian operator |
---|
| 398 | !! or |u|e^3/12 bilaplacian operator ) |
---|
| 399 | !! |
---|
[9490] | 400 | !! * time varying EIV coefficients: call to ldf_eiv routine |
---|
| 401 | !! |
---|
[5836] | 402 | !! ** action : ahtu, ahtv update at each time step |
---|
| 403 | !! aeiu, aeiv - - - - (if ln_ldfeiv=T) |
---|
| 404 | !!---------------------------------------------------------------------- |
---|
| 405 | INTEGER, INTENT(in) :: kt ! time step |
---|
| 406 | ! |
---|
| 407 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
[9490] | 408 | REAL(wp) :: zaht, zahf, zaht_min, zDaht, z1_f20 ! local scalar |
---|
[5836] | 409 | !!---------------------------------------------------------------------- |
---|
| 410 | ! |
---|
[7646] | 411 | IF( ln_ldfeiv .AND. nn_aei_ijk_t == 21 ) THEN ! eddy induced velocity coefficients |
---|
[5836] | 412 | ! ! =F(growth rate of baroclinic instability) |
---|
[9490] | 413 | ! ! max value aeiv_0 ; decreased to 0 within 20N-20S |
---|
| 414 | CALL ldf_eiv( kt, aei0, aeiu, aeiv ) |
---|
[5836] | 415 | ENDIF |
---|
| 416 | ! |
---|
| 417 | SELECT CASE( nn_aht_ijk_t ) ! Eddy diffusivity coefficients |
---|
| 418 | ! |
---|
| 419 | CASE( 21 ) !== time varying 2D field ==! = F( growth rate of baroclinic instability ) |
---|
[9490] | 420 | ! ! min value 0.2*aht0 |
---|
| 421 | ! ! max value aht0 (aei0 if nn_aei_ijk_t=21) |
---|
| 422 | ! ! increase to aht0 within 20N-20S |
---|
[7646] | 423 | IF( ln_ldfeiv .AND. nn_aei_ijk_t == 21 ) THEN ! use the already computed aei. |
---|
[7753] | 424 | ahtu(:,:,1) = aeiu(:,:,1) |
---|
| 425 | ahtv(:,:,1) = aeiv(:,:,1) |
---|
[7646] | 426 | ELSE ! compute aht. |
---|
[9490] | 427 | CALL ldf_eiv( kt, aht0, ahtu, ahtv ) |
---|
[5836] | 428 | ENDIF |
---|
| 429 | ! |
---|
[9490] | 430 | z1_f20 = 1._wp / ( 2._wp * omega * SIN( rad * 20._wp ) ) ! 1 / ff(20 degrees) |
---|
| 431 | zaht_min = 0.2_wp * aht0 ! minimum value for aht |
---|
| 432 | zDaht = aht0 - zaht_min |
---|
[5836] | 433 | DO jj = 1, jpj |
---|
| 434 | DO ji = 1, jpi |
---|
[7646] | 435 | !!gm CAUTION : here we assume lat/lon grid in 20deg N/S band (like all ORCA cfg) |
---|
| 436 | !! ==>>> The Coriolis value is identical for t- & u_points, and for v- and f-points |
---|
[9490] | 437 | zaht = ( 1._wp - MIN( 1._wp , ABS( ff_t(ji,jj) * z1_f20 ) ) ) * zDaht |
---|
| 438 | zahf = ( 1._wp - MIN( 1._wp , ABS( ff_f(ji,jj) * z1_f20 ) ) ) * zDaht |
---|
| 439 | ahtu(ji,jj,1) = ( MAX( zaht_min, ahtu(ji,jj,1) ) + zaht ) ! min value zaht_min |
---|
| 440 | ahtv(ji,jj,1) = ( MAX( zaht_min, ahtv(ji,jj,1) ) + zahf ) ! increase within 20S-20N |
---|
[5836] | 441 | END DO |
---|
| 442 | END DO |
---|
[9490] | 443 | DO jk = 1, jpkm1 ! deeper value = surface value + mask for all levels |
---|
[7753] | 444 | ahtu(:,:,jk) = ahtu(:,:,1) * umask(:,:,jk) |
---|
| 445 | ahtv(:,:,jk) = ahtv(:,:,1) * vmask(:,:,jk) |
---|
[5836] | 446 | END DO |
---|
| 447 | ! |
---|
| 448 | CASE( 31 ) !== time varying 3D field ==! = F( local velocity ) |
---|
| 449 | IF( ln_traldf_lap ) THEN ! laplacian operator |u| e /12 |
---|
| 450 | DO jk = 1, jpkm1 |
---|
[9490] | 451 | ahtu(:,:,jk) = ABS( ub(:,:,jk) ) * e1u(:,:) * r1_12 ! n.b. ub,vb are masked |
---|
[7753] | 452 | ahtv(:,:,jk) = ABS( vb(:,:,jk) ) * e2v(:,:) * r1_12 |
---|
[5836] | 453 | END DO |
---|
| 454 | ELSEIF( ln_traldf_blp ) THEN ! bilaplacian operator sqrt( |u| e^3 /12 ) = sqrt( |u| e /12 ) * e |
---|
| 455 | DO jk = 1, jpkm1 |
---|
[7753] | 456 | ahtu(:,:,jk) = SQRT( ABS( ub(:,:,jk) ) * e1u(:,:) * r1_12 ) * e1u(:,:) |
---|
| 457 | ahtv(:,:,jk) = SQRT( ABS( vb(:,:,jk) ) * e2v(:,:) * r1_12 ) * e2v(:,:) |
---|
[5836] | 458 | END DO |
---|
| 459 | ENDIF |
---|
| 460 | ! |
---|
| 461 | END SELECT |
---|
| 462 | ! |
---|
[7646] | 463 | CALL iom_put( "ahtu_2d", ahtu(:,:,1) ) ! surface u-eddy diffusivity coeff. |
---|
| 464 | CALL iom_put( "ahtv_2d", ahtv(:,:,1) ) ! surface v-eddy diffusivity coeff. |
---|
| 465 | CALL iom_put( "ahtu_3d", ahtu(:,:,:) ) ! 3D u-eddy diffusivity coeff. |
---|
| 466 | CALL iom_put( "ahtv_3d", ahtv(:,:,:) ) ! 3D v-eddy diffusivity coeff. |
---|
| 467 | ! |
---|
| 468 | IF( ln_ldfeiv ) THEN |
---|
| 469 | CALL iom_put( "aeiu_2d", aeiu(:,:,1) ) ! surface u-EIV coeff. |
---|
| 470 | CALL iom_put( "aeiv_2d", aeiv(:,:,1) ) ! surface v-EIV coeff. |
---|
| 471 | CALL iom_put( "aeiu_3d", aeiu(:,:,:) ) ! 3D u-EIV coeff. |
---|
| 472 | CALL iom_put( "aeiv_3d", aeiv(:,:,:) ) ! 3D v-EIV coeff. |
---|
[5836] | 473 | ENDIF |
---|
| 474 | ! |
---|
| 475 | END SUBROUTINE ldf_tra |
---|
[1601] | 476 | |
---|
[3] | 477 | |
---|
[5836] | 478 | SUBROUTINE ldf_eiv_init |
---|
| 479 | !!---------------------------------------------------------------------- |
---|
| 480 | !! *** ROUTINE ldf_eiv_init *** |
---|
| 481 | !! |
---|
| 482 | !! ** Purpose : initialization of the eiv coeff. from namelist choices. |
---|
| 483 | !! |
---|
[9490] | 484 | !! ** Method : the eiv diffusivity coef. specification depends on: |
---|
| 485 | !! nn_aei_ijk_t = 0 => = constant |
---|
| 486 | !! ! |
---|
| 487 | !! = 10 => = F(z) : constant with a reduction of 1/4 with depth |
---|
| 488 | !! ! |
---|
| 489 | !! =-20 => = F(i,j) = shape read in 'eddy_diffusivity.nc' file |
---|
| 490 | !! = 20 = F(i,j) = F(e1,e2) or F(e1^3,e2^3) (lap or bilap case) |
---|
| 491 | !! = 21 = F(i,j,t) = F(growth rate of baroclinic instability) |
---|
| 492 | !! ! |
---|
| 493 | !! =-30 => = F(i,j,k) = shape read in 'eddy_diffusivity.nc' file |
---|
| 494 | !! = 30 = F(i,j,k) = 2D (case 20) + decrease with depth (case 10) |
---|
[5836] | 495 | !! |
---|
[9490] | 496 | !! ** Action : aeiu , aeiv : initialized one for all or l_ldftra_time set to true |
---|
| 497 | !! l_ldfeiv_time : =T if EIV coefficients vary with time |
---|
[5836] | 498 | !!---------------------------------------------------------------------- |
---|
[9490] | 499 | INTEGER :: jk ! dummy loop indices |
---|
| 500 | INTEGER :: ierr, inum, ios, inn ! local integer |
---|
| 501 | REAL(wp) :: zah_max, zUfac ! - scalar |
---|
| 502 | !! |
---|
| 503 | NAMELIST/namtra_eiv/ ln_ldfeiv , ln_ldfeiv_dia, & ! eddy induced velocity (eiv) |
---|
| 504 | & nn_aei_ijk_t, rn_Ue, rn_Le ! eiv coefficient |
---|
[5836] | 505 | !!---------------------------------------------------------------------- |
---|
| 506 | ! |
---|
[9169] | 507 | IF(lwp) THEN ! control print |
---|
| 508 | WRITE(numout,*) |
---|
| 509 | WRITE(numout,*) 'ldf_eiv_init : eddy induced velocity parametrization' |
---|
| 510 | WRITE(numout,*) '~~~~~~~~~~~~ ' |
---|
| 511 | ENDIF |
---|
| 512 | ! |
---|
[12277] | 513 | REWIND( numnam_ref ) |
---|
[9490] | 514 | READ ( numnam_ref, namtra_eiv, IOSTAT = ios, ERR = 901) |
---|
[11536] | 515 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtra_eiv in reference namelist' ) |
---|
[5836] | 516 | ! |
---|
[12277] | 517 | REWIND( numnam_cfg ) |
---|
[9490] | 518 | READ ( numnam_cfg, namtra_eiv, IOSTAT = ios, ERR = 902 ) |
---|
[11536] | 519 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namtra_eiv in configuration namelist' ) |
---|
[9490] | 520 | IF(lwm) WRITE ( numond, namtra_eiv ) |
---|
[5836] | 521 | |
---|
| 522 | IF(lwp) THEN ! control print |
---|
[9490] | 523 | WRITE(numout,*) ' Namelist namtra_eiv : ' |
---|
| 524 | WRITE(numout,*) ' Eddy Induced Velocity (eiv) param. ln_ldfeiv = ', ln_ldfeiv |
---|
| 525 | WRITE(numout,*) ' eiv streamfunction & velocity diag. ln_ldfeiv_dia = ', ln_ldfeiv_dia |
---|
| 526 | WRITE(numout,*) ' coefficients :' |
---|
| 527 | WRITE(numout,*) ' type of time-space variation nn_aei_ijk_t = ', nn_aht_ijk_t |
---|
| 528 | WRITE(numout,*) ' lateral diffusive velocity (if cst) rn_Ue = ', rn_Ue, ' m/s' |
---|
| 529 | WRITE(numout,*) ' lateral diffusive length (if cst) rn_Le = ', rn_Le, ' m' |
---|
[5836] | 530 | WRITE(numout,*) |
---|
[3] | 531 | ENDIF |
---|
[5836] | 532 | ! |
---|
[9490] | 533 | l_ldfeiv_time = .FALSE. ! no time variation except in case defined below |
---|
[5836] | 534 | ! |
---|
[9490] | 535 | ! |
---|
| 536 | IF( .NOT.ln_ldfeiv ) THEN !== Parametrization not used ==! |
---|
| 537 | ! |
---|
| 538 | IF(lwp) WRITE(numout,*) ' ==>>> eddy induced velocity param is NOT used' |
---|
| 539 | ln_ldfeiv_dia = .FALSE. |
---|
| 540 | ! |
---|
| 541 | ELSE !== use the parametrization ==! |
---|
| 542 | ! |
---|
| 543 | IF(lwp) WRITE(numout,*) ' ==>>> use eddy induced velocity parametrization' |
---|
| 544 | IF(lwp) WRITE(numout,*) |
---|
| 545 | ! |
---|
| 546 | IF( ln_traldf_blp ) CALL ctl_stop( 'ldf_eiv_init: eddy induced velocity ONLY with laplacian diffusivity' ) |
---|
| 547 | ! |
---|
| 548 | ! != allocate the aei arrays |
---|
[5836] | 549 | ALLOCATE( aeiu(jpi,jpj,jpk), aeiv(jpi,jpj,jpk), STAT=ierr ) |
---|
| 550 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'ldf_eiv: failed to allocate arrays') |
---|
| 551 | ! |
---|
[9490] | 552 | ! != Specification of space-time variations of eaiu, aeiv |
---|
[5836] | 553 | ! |
---|
[9490] | 554 | aeiu(:,:,jpk) = 0._wp ! last level always 0 |
---|
| 555 | aeiv(:,:,jpk) = 0._wp |
---|
| 556 | ! ! value of EIV coef. (laplacian operator) |
---|
| 557 | zUfac = r1_2 *rn_Ue ! velocity factor |
---|
| 558 | inn = 1 ! L-exponent |
---|
| 559 | aei0 = zUfac * rn_Le**inn ! mixing coefficient |
---|
| 560 | zah_max = zUfac * (ra*rad)**inn ! maximum reachable coefficient (value at the Equator) |
---|
| 561 | |
---|
| 562 | SELECT CASE( nn_aei_ijk_t ) !* Specification of space-time variations |
---|
| 563 | ! |
---|
| 564 | CASE( 0 ) !-- constant --! |
---|
| 565 | IF(lwp) WRITE(numout,*) ' ==>>> eddy induced velocity coef. = constant = ', aei0, ' m2/s' |
---|
| 566 | aeiu(:,:,1:jpkm1) = aei0 |
---|
| 567 | aeiv(:,:,1:jpkm1) = aei0 |
---|
[5836] | 568 | ! |
---|
[9490] | 569 | CASE( 10 ) !-- fixed profile --! |
---|
[9169] | 570 | IF(lwp) WRITE(numout,*) ' ==>>> eddy induced velocity coef. = F( depth )' |
---|
[9490] | 571 | IF(lwp) WRITE(numout,*) ' surface eddy diffusivity = constant = ', aht0, ' m2/s' |
---|
| 572 | aeiu(:,:,1) = aei0 ! constant surface value |
---|
| 573 | aeiv(:,:,1) = aei0 |
---|
| 574 | CALL ldf_c1d( 'TRA', aeiu(:,:,1), aeiv(:,:,1), aeiu, aeiv ) |
---|
[5836] | 575 | ! |
---|
[9490] | 576 | CASE ( -20 ) !-- fixed horizontal shape read in file --! |
---|
| 577 | IF(lwp) WRITE(numout,*) ' ==>>> eddy induced velocity coef. = F(i,j) read in eddy_diffusivity_2D.nc file' |
---|
[5836] | 578 | CALL iom_open ( 'eddy_induced_velocity_2D.nc', inum ) |
---|
| 579 | CALL iom_get ( inum, jpdom_data, 'aeiu', aeiu(:,:,1) ) |
---|
| 580 | CALL iom_get ( inum, jpdom_data, 'aeiv', aeiv(:,:,1) ) |
---|
| 581 | CALL iom_close( inum ) |
---|
[9490] | 582 | DO jk = 2, jpkm1 |
---|
[7753] | 583 | aeiu(:,:,jk) = aeiu(:,:,1) |
---|
| 584 | aeiv(:,:,jk) = aeiv(:,:,1) |
---|
[5836] | 585 | END DO |
---|
| 586 | ! |
---|
[9490] | 587 | CASE( 20 ) !-- fixed horizontal shape --! |
---|
| 588 | IF(lwp) WRITE(numout,*) ' ==>>> eddy induced velocity coef. = F( e1, e2 )' |
---|
| 589 | IF(lwp) WRITE(numout,*) ' using a fixed diffusive velocity = ', rn_Ue, ' m/s and Le = Max(e1,e2)' |
---|
| 590 | IF(lwp) WRITE(numout,*) ' maximum reachable coefficient (at the Equator) = ', zah_max, ' m2/s for e1=1°)' |
---|
| 591 | CALL ldf_c2d( 'TRA', zUfac , inn , aeiu, aeiv ) ! value proportional to scale factor^inn |
---|
[5836] | 592 | ! |
---|
[9490] | 593 | CASE( 21 ) !-- time varying 2D field --! |
---|
| 594 | IF(lwp) WRITE(numout,*) ' ==>>> eddy induced velocity coef. = F( latitude, longitude, time )' |
---|
| 595 | IF(lwp) WRITE(numout,*) ' = F( growth rate of baroclinic instability )' |
---|
| 596 | IF(lwp) WRITE(numout,*) ' maximum allowed value: aei0 = ', aei0, ' m2/s' |
---|
[5836] | 597 | ! |
---|
| 598 | l_ldfeiv_time = .TRUE. ! will be calculated by call to ldf_tra routine in step.F90 |
---|
| 599 | ! |
---|
[9490] | 600 | CASE( -30 ) !-- fixed 3D shape read in file --! |
---|
| 601 | IF(lwp) WRITE(numout,*) ' ==>>> eddy induced velocity coef. = F(i,j,k) read in eddy_diffusivity_3D.nc file' |
---|
[5836] | 602 | CALL iom_open ( 'eddy_induced_velocity_3D.nc', inum ) |
---|
| 603 | CALL iom_get ( inum, jpdom_data, 'aeiu', aeiu ) |
---|
| 604 | CALL iom_get ( inum, jpdom_data, 'aeiv', aeiv ) |
---|
| 605 | CALL iom_close( inum ) |
---|
| 606 | ! |
---|
[9490] | 607 | CASE( 30 ) !-- fixed 3D shape --! |
---|
| 608 | IF(lwp) WRITE(numout,*) ' ==>>> eddy induced velocity coef. = F( latitude, longitude, depth )' |
---|
| 609 | CALL ldf_c2d( 'TRA', zUfac , inn , aeiu, aeiv ) ! surface value proportional to scale factor^inn |
---|
| 610 | CALL ldf_c1d( 'TRA', aeiu(:,:,1), aeiv(:,:,1), aeiu, aeiv ) ! reduction with depth |
---|
[5836] | 611 | ! |
---|
| 612 | CASE DEFAULT |
---|
| 613 | CALL ctl_stop('ldf_tra_init: wrong choice for nn_aei_ijk_t, the type of space-time variation of aei') |
---|
| 614 | END SELECT |
---|
| 615 | ! |
---|
[9490] | 616 | IF( .NOT.l_ldfeiv_time ) THEN !* mask if No time variation |
---|
| 617 | DO jk = 1, jpkm1 |
---|
| 618 | aeiu(:,:,jk) = aeiu(:,:,jk) * umask(:,:,jk) |
---|
| 619 | ahtv(:,:,jk) = ahtv(:,:,jk) * vmask(:,:,jk) |
---|
| 620 | END DO |
---|
| 621 | ENDIF |
---|
| 622 | ! |
---|
[3] | 623 | ENDIF |
---|
[5836] | 624 | ! |
---|
| 625 | END SUBROUTINE ldf_eiv_init |
---|
[3] | 626 | |
---|
| 627 | |
---|
[5836] | 628 | SUBROUTINE ldf_eiv( kt, paei0, paeiu, paeiv ) |
---|
| 629 | !!---------------------------------------------------------------------- |
---|
| 630 | !! *** ROUTINE ldf_eiv *** |
---|
| 631 | !! |
---|
| 632 | !! ** Purpose : Compute the eddy induced velocity coefficient from the |
---|
| 633 | !! growth rate of baroclinic instability. |
---|
| 634 | !! |
---|
| 635 | !! ** Method : coefficient function of the growth rate of baroclinic instability |
---|
| 636 | !! |
---|
| 637 | !! Reference : Treguier et al. JPO 1997 ; Held and Larichev JAS 1996 |
---|
| 638 | !!---------------------------------------------------------------------- |
---|
| 639 | INTEGER , INTENT(in ) :: kt ! ocean time-step index |
---|
| 640 | REAL(wp) , INTENT(inout) :: paei0 ! max value [m2/s] |
---|
| 641 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: paeiu, paeiv ! eiv coefficient [m2/s] |
---|
| 642 | ! |
---|
| 643 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
[9019] | 644 | REAL(wp) :: zfw, ze3w, zn2, z1_f20, zaht, zaht_min, zzaei ! local scalars |
---|
[9490] | 645 | REAL(wp), DIMENSION(jpi,jpj) :: zn, zah, zhw, zRo, zaeiw ! 2D workspace |
---|
[5836] | 646 | !!---------------------------------------------------------------------- |
---|
| 647 | ! |
---|
[9490] | 648 | zn (:,:) = 0._wp ! Local initialization |
---|
| 649 | zhw(:,:) = 5._wp |
---|
| 650 | zah(:,:) = 0._wp |
---|
| 651 | zRo(:,:) = 0._wp |
---|
[5836] | 652 | ! ! Compute lateral diffusive coefficient at T-point |
---|
| 653 | IF( ln_traldf_triad ) THEN |
---|
| 654 | DO jk = 1, jpk |
---|
| 655 | DO jj = 2, jpjm1 |
---|
| 656 | DO ji = 2, jpim1 |
---|
| 657 | ! Take the max of N^2 and zero then take the vertical sum |
---|
| 658 | ! of the square root of the resulting N^2 ( required to compute |
---|
| 659 | ! internal Rossby radius Ro = .5 * sum_jpk(N) / f |
---|
| 660 | zn2 = MAX( rn2b(ji,jj,jk), 0._wp ) |
---|
[6140] | 661 | zn(ji,jj) = zn(ji,jj) + SQRT( zn2 ) * e3w_n(ji,jj,jk) |
---|
[5836] | 662 | ! Compute elements required for the inverse time scale of baroclinic |
---|
| 663 | ! eddies using the isopycnal slopes calculated in ldfslp.F : |
---|
| 664 | ! T^-1 = sqrt(m_jpk(N^2*(r1^2+r2^2)*e3w)) |
---|
[12276] | 665 | ze3w = e3w_n(ji,jj,jk) * wmask(ji,jj,jk) |
---|
[5836] | 666 | zah(ji,jj) = zah(ji,jj) + zn2 * wslp2(ji,jj,jk) * ze3w |
---|
| 667 | zhw(ji,jj) = zhw(ji,jj) + ze3w |
---|
| 668 | END DO |
---|
| 669 | END DO |
---|
| 670 | END DO |
---|
| 671 | ELSE |
---|
| 672 | DO jk = 1, jpk |
---|
| 673 | DO jj = 2, jpjm1 |
---|
| 674 | DO ji = 2, jpim1 |
---|
| 675 | ! Take the max of N^2 and zero then take the vertical sum |
---|
| 676 | ! of the square root of the resulting N^2 ( required to compute |
---|
| 677 | ! internal Rossby radius Ro = .5 * sum_jpk(N) / f |
---|
| 678 | zn2 = MAX( rn2b(ji,jj,jk), 0._wp ) |
---|
[6140] | 679 | zn(ji,jj) = zn(ji,jj) + SQRT( zn2 ) * e3w_n(ji,jj,jk) |
---|
[5836] | 680 | ! Compute elements required for the inverse time scale of baroclinic |
---|
| 681 | ! eddies using the isopycnal slopes calculated in ldfslp.F : |
---|
| 682 | ! T^-1 = sqrt(m_jpk(N^2*(r1^2+r2^2)*e3w)) |
---|
[12276] | 683 | ze3w = e3w_n(ji,jj,jk) * wmask(ji,jj,jk) |
---|
[5836] | 684 | zah(ji,jj) = zah(ji,jj) + zn2 * ( wslpi(ji,jj,jk) * wslpi(ji,jj,jk) & |
---|
| 685 | & + wslpj(ji,jj,jk) * wslpj(ji,jj,jk) ) * ze3w |
---|
| 686 | zhw(ji,jj) = zhw(ji,jj) + ze3w |
---|
| 687 | END DO |
---|
| 688 | END DO |
---|
| 689 | END DO |
---|
[9490] | 690 | ENDIF |
---|
[5836] | 691 | |
---|
| 692 | DO jj = 2, jpjm1 |
---|
| 693 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 694 | zfw = MAX( ABS( 2. * omega * SIN( rad * gphit(ji,jj) ) ) , 1.e-10 ) |
---|
[9490] | 695 | ! Rossby radius at w-point taken betwenn 2 km and 40km |
---|
| 696 | zRo(ji,jj) = MAX( 2.e3 , MIN( .4 * zn(ji,jj) / zfw, 40.e3 ) ) |
---|
[5836] | 697 | ! Compute aeiw by multiplying Ro^2 and T^-1 |
---|
[9490] | 698 | zaeiw(ji,jj) = zRo(ji,jj) * zRo(ji,jj) * SQRT( zah(ji,jj) / zhw(ji,jj) ) * tmask(ji,jj,1) |
---|
[5836] | 699 | END DO |
---|
| 700 | END DO |
---|
| 701 | |
---|
| 702 | ! !== Bound on eiv coeff. ==! |
---|
| 703 | z1_f20 = 1._wp / ( 2._wp * omega * sin( rad * 20._wp ) ) |
---|
| 704 | DO jj = 2, jpjm1 |
---|
| 705 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[9490] | 706 | zzaei = MIN( 1._wp, ABS( ff_t(ji,jj) * z1_f20 ) ) * zaeiw(ji,jj) ! tropical decrease |
---|
[5836] | 707 | zaeiw(ji,jj) = MIN( zzaei , paei0 ) ! Max value = paei0 |
---|
| 708 | END DO |
---|
| 709 | END DO |
---|
[10425] | 710 | CALL lbc_lnk( 'ldftra', zaeiw(:,:), 'W', 1. ) ! lateral boundary condition |
---|
[5836] | 711 | ! |
---|
| 712 | DO jj = 2, jpjm1 !== aei at u- and v-points ==! |
---|
| 713 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 714 | paeiu(ji,jj,1) = 0.5_wp * ( zaeiw(ji,jj) + zaeiw(ji+1,jj ) ) * umask(ji,jj,1) |
---|
| 715 | paeiv(ji,jj,1) = 0.5_wp * ( zaeiw(ji,jj) + zaeiw(ji ,jj+1) ) * vmask(ji,jj,1) |
---|
| 716 | END DO |
---|
| 717 | END DO |
---|
[10425] | 718 | CALL lbc_lnk_multi( 'ldftra', paeiu(:,:,1), 'U', 1. , paeiv(:,:,1), 'V', 1. ) ! lateral boundary condition |
---|
[5836] | 719 | |
---|
| 720 | DO jk = 2, jpkm1 !== deeper values equal the surface one ==! |
---|
[7753] | 721 | paeiu(:,:,jk) = paeiu(:,:,1) * umask(:,:,jk) |
---|
| 722 | paeiv(:,:,jk) = paeiv(:,:,1) * vmask(:,:,jk) |
---|
[5836] | 723 | END DO |
---|
| 724 | ! |
---|
| 725 | END SUBROUTINE ldf_eiv |
---|
| 726 | |
---|
| 727 | |
---|
| 728 | SUBROUTINE ldf_eiv_trp( kt, kit000, pun, pvn, pwn, cdtype ) |
---|
| 729 | !!---------------------------------------------------------------------- |
---|
| 730 | !! *** ROUTINE ldf_eiv_trp *** |
---|
| 731 | !! |
---|
| 732 | !! ** Purpose : add to the input ocean transport the contribution of |
---|
| 733 | !! the eddy induced velocity parametrization. |
---|
| 734 | !! |
---|
| 735 | !! ** Method : The eddy induced transport is computed from a flux stream- |
---|
| 736 | !! function which depends on the slope of iso-neutral surfaces |
---|
| 737 | !! (see ldf_slp). For example, in the i-k plan : |
---|
| 738 | !! psi_uw = mk(aeiu) e2u mi(wslpi) [in m3/s] |
---|
| 739 | !! Utr_eiv = - dk[psi_uw] |
---|
| 740 | !! Vtr_eiv = + di[psi_uw] |
---|
| 741 | !! ln_ldfeiv_dia = T : output the associated streamfunction, |
---|
| 742 | !! velocity and heat transport (call ldf_eiv_dia) |
---|
| 743 | !! |
---|
| 744 | !! ** Action : pun, pvn increased by the eiv transport |
---|
| 745 | !!---------------------------------------------------------------------- |
---|
| 746 | INTEGER , INTENT(in ) :: kt ! ocean time-step index |
---|
| 747 | INTEGER , INTENT(in ) :: kit000 ! first time step index |
---|
| 748 | CHARACTER(len=3) , INTENT(in ) :: cdtype ! =TRA or TRC (tracer indicator) |
---|
| 749 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: pun ! in : 3 ocean transport components [m3/s] |
---|
| 750 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: pvn ! out: 3 ocean transport components [m3/s] |
---|
| 751 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: pwn ! increased by the eiv [m3/s] |
---|
| 752 | !! |
---|
| 753 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 754 | REAL(wp) :: zuwk, zuwk1, zuwi, zuwi1 ! local scalars |
---|
| 755 | REAL(wp) :: zvwk, zvwk1, zvwj, zvwj1 ! - - |
---|
[9019] | 756 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zpsi_uw, zpsi_vw |
---|
[5836] | 757 | !!---------------------------------------------------------------------- |
---|
| 758 | ! |
---|
| 759 | IF( kt == kit000 ) THEN |
---|
| 760 | IF(lwp) WRITE(numout,*) |
---|
| 761 | IF(lwp) WRITE(numout,*) 'ldf_eiv_trp : eddy induced advection on ', cdtype,' :' |
---|
| 762 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ add to velocity fields the eiv component' |
---|
[3] | 763 | ENDIF |
---|
[3634] | 764 | |
---|
[5836] | 765 | |
---|
[7753] | 766 | zpsi_uw(:,:, 1 ) = 0._wp ; zpsi_vw(:,:, 1 ) = 0._wp |
---|
| 767 | zpsi_uw(:,:,jpk) = 0._wp ; zpsi_vw(:,:,jpk) = 0._wp |
---|
[5836] | 768 | ! |
---|
| 769 | DO jk = 2, jpkm1 |
---|
| 770 | DO jj = 1, jpjm1 |
---|
| 771 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[9490] | 772 | zpsi_uw(ji,jj,jk) = - r1_4 * e2u(ji,jj) * ( wslpi(ji,jj,jk ) + wslpi(ji+1,jj,jk) ) & |
---|
[12296] | 773 | & * ( aeiu (ji,jj,jk-1) + aeiu (ji ,jj,jk) ) * wumask(ji,jj,jk) |
---|
[9490] | 774 | zpsi_vw(ji,jj,jk) = - r1_4 * e1v(ji,jj) * ( wslpj(ji,jj,jk ) + wslpj(ji,jj+1,jk) ) & |
---|
[12296] | 775 | & * ( aeiv (ji,jj,jk-1) + aeiv (ji,jj ,jk) ) * wvmask(ji,jj,jk) |
---|
[5836] | 776 | END DO |
---|
| 777 | END DO |
---|
| 778 | END DO |
---|
| 779 | ! |
---|
| 780 | DO jk = 1, jpkm1 |
---|
| 781 | DO jj = 1, jpjm1 |
---|
| 782 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
| 783 | pun(ji,jj,jk) = pun(ji,jj,jk) - ( zpsi_uw(ji,jj,jk) - zpsi_uw(ji,jj,jk+1) ) |
---|
| 784 | pvn(ji,jj,jk) = pvn(ji,jj,jk) - ( zpsi_vw(ji,jj,jk) - zpsi_vw(ji,jj,jk+1) ) |
---|
| 785 | END DO |
---|
| 786 | END DO |
---|
| 787 | END DO |
---|
| 788 | DO jk = 1, jpkm1 |
---|
| 789 | DO jj = 2, jpjm1 |
---|
| 790 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 791 | pwn(ji,jj,jk) = pwn(ji,jj,jk) + ( zpsi_uw(ji,jj,jk) - zpsi_uw(ji-1,jj ,jk) & |
---|
| 792 | & + zpsi_vw(ji,jj,jk) - zpsi_vw(ji ,jj-1,jk) ) |
---|
| 793 | END DO |
---|
| 794 | END DO |
---|
| 795 | END DO |
---|
| 796 | ! |
---|
| 797 | ! ! diagnose the eddy induced velocity and associated heat transport |
---|
| 798 | IF( ln_ldfeiv_dia .AND. cdtype == 'TRA' ) CALL ldf_eiv_dia( zpsi_uw, zpsi_vw ) |
---|
| 799 | ! |
---|
| 800 | END SUBROUTINE ldf_eiv_trp |
---|
[3634] | 801 | |
---|
[5836] | 802 | |
---|
| 803 | SUBROUTINE ldf_eiv_dia( psi_uw, psi_vw ) |
---|
| 804 | !!---------------------------------------------------------------------- |
---|
| 805 | !! *** ROUTINE ldf_eiv_dia *** |
---|
| 806 | !! |
---|
| 807 | !! ** Purpose : diagnose the eddy induced velocity and its associated |
---|
| 808 | !! vertically integrated heat transport. |
---|
| 809 | !! |
---|
| 810 | !! ** Method : |
---|
| 811 | !! |
---|
| 812 | !!---------------------------------------------------------------------- |
---|
| 813 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(inout) :: psi_uw, psi_vw ! streamfunction [m3/s] |
---|
[1601] | 814 | ! |
---|
[5836] | 815 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 816 | REAL(wp) :: zztmp ! local scalar |
---|
[9019] | 817 | REAL(wp), DIMENSION(jpi,jpj) :: zw2d ! 2D workspace |
---|
| 818 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zw3d ! 3D workspace |
---|
[5836] | 819 | !!---------------------------------------------------------------------- |
---|
| 820 | ! |
---|
[9019] | 821 | !!gm I don't like this routine.... Crazy way of doing things, not optimal at all... |
---|
| 822 | !!gm to be redesigned.... |
---|
[5836] | 823 | ! !== eiv stream function: output ==! |
---|
[10425] | 824 | CALL lbc_lnk_multi( 'ldftra', psi_uw, 'U', -1. , psi_vw, 'V', -1. ) |
---|
[5836] | 825 | ! |
---|
| 826 | !!gm CALL iom_put( "psi_eiv_uw", psi_uw ) ! output |
---|
| 827 | !!gm CALL iom_put( "psi_eiv_vw", psi_vw ) |
---|
| 828 | ! |
---|
| 829 | ! !== eiv velocities: calculate and output ==! |
---|
| 830 | ! |
---|
[7753] | 831 | zw3d(:,:,jpk) = 0._wp ! bottom value always 0 |
---|
[5836] | 832 | ! |
---|
| 833 | DO jk = 1, jpkm1 ! e2u e3u u_eiv = -dk[psi_uw] |
---|
[7753] | 834 | zw3d(:,:,jk) = ( psi_uw(:,:,jk+1) - psi_uw(:,:,jk) ) / ( e2u(:,:) * e3u_n(:,:,jk) ) |
---|
[5836] | 835 | END DO |
---|
| 836 | CALL iom_put( "uoce_eiv", zw3d ) |
---|
| 837 | ! |
---|
| 838 | DO jk = 1, jpkm1 ! e1v e3v v_eiv = -dk[psi_vw] |
---|
[7753] | 839 | zw3d(:,:,jk) = ( psi_vw(:,:,jk+1) - psi_vw(:,:,jk) ) / ( e1v(:,:) * e3v_n(:,:,jk) ) |
---|
[5836] | 840 | END DO |
---|
| 841 | CALL iom_put( "voce_eiv", zw3d ) |
---|
| 842 | ! |
---|
| 843 | DO jk = 1, jpkm1 ! e1 e2 w_eiv = dk[psix] + dk[psix] |
---|
| 844 | DO jj = 2, jpjm1 |
---|
| 845 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 846 | zw3d(ji,jj,jk) = ( psi_vw(ji,jj,jk) - psi_vw(ji ,jj-1,jk) & |
---|
| 847 | & + psi_uw(ji,jj,jk) - psi_uw(ji-1,jj ,jk) ) / e1e2t(ji,jj) |
---|
| 848 | END DO |
---|
| 849 | END DO |
---|
| 850 | END DO |
---|
[10425] | 851 | CALL lbc_lnk( 'ldftra', zw3d, 'T', 1. ) ! lateral boundary condition |
---|
[5836] | 852 | CALL iom_put( "woce_eiv", zw3d ) |
---|
| 853 | ! |
---|
[12276] | 854 | IF( iom_use('weiv_masstr') ) THEN ! vertical mass transport & its square value |
---|
| 855 | zw2d(:,:) = rau0 * e1e2t(:,:) |
---|
| 856 | DO jk = 1, jpk |
---|
| 857 | zw3d(:,:,jk) = zw3d(:,:,jk) * zw2d(:,:) |
---|
| 858 | END DO |
---|
| 859 | CALL iom_put( "weiv_masstr" , zw3d ) |
---|
| 860 | ENDIF |
---|
[5836] | 861 | ! |
---|
[12276] | 862 | IF( iom_use('ueiv_masstr') ) THEN |
---|
| 863 | zw3d(:,:,:) = 0.e0 |
---|
| 864 | DO jk = 1, jpkm1 |
---|
| 865 | zw3d(:,:,jk) = rau0 * ( psi_uw(:,:,jk+1) - psi_uw(:,:,jk) ) |
---|
| 866 | END DO |
---|
| 867 | CALL iom_put( "ueiv_masstr", zw3d ) ! mass transport in i-direction |
---|
| 868 | ENDIF |
---|
| 869 | ! |
---|
[7646] | 870 | zztmp = 0.5_wp * rau0 * rcp |
---|
| 871 | IF( iom_use('ueiv_heattr') .OR. iom_use('ueiv_heattr3d') ) THEN |
---|
[7753] | 872 | zw2d(:,:) = 0._wp |
---|
| 873 | zw3d(:,:,:) = 0._wp |
---|
| 874 | DO jk = 1, jpkm1 |
---|
| 875 | DO jj = 2, jpjm1 |
---|
| 876 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 877 | zw3d(ji,jj,jk) = zw3d(ji,jj,jk) + ( psi_uw(ji,jj,jk+1) - psi_uw(ji,jj,jk) ) & |
---|
| 878 | & * ( tsn (ji,jj,jk,jp_tem) + tsn (ji+1,jj,jk,jp_tem) ) |
---|
| 879 | zw2d(ji,jj) = zw2d(ji,jj) + zw3d(ji,jj,jk) |
---|
| 880 | END DO |
---|
| 881 | END DO |
---|
| 882 | END DO |
---|
[10425] | 883 | CALL lbc_lnk( 'ldftra', zw2d, 'U', -1. ) |
---|
| 884 | CALL lbc_lnk( 'ldftra', zw3d, 'U', -1. ) |
---|
[7753] | 885 | CALL iom_put( "ueiv_heattr" , zztmp * zw2d ) ! heat transport in i-direction |
---|
| 886 | CALL iom_put( "ueiv_heattr3d", zztmp * zw3d ) ! heat transport in i-direction |
---|
[7646] | 887 | ENDIF |
---|
[12276] | 888 | ! |
---|
| 889 | IF( iom_use('veiv_masstr') ) THEN |
---|
| 890 | zw3d(:,:,:) = 0.e0 |
---|
| 891 | DO jk = 1, jpkm1 |
---|
| 892 | zw3d(:,:,jk) = rau0 * ( psi_vw(:,:,jk+1) - psi_vw(:,:,jk) ) |
---|
| 893 | END DO |
---|
| 894 | CALL iom_put( "veiv_masstr", zw3d ) ! mass transport in i-direction |
---|
| 895 | ENDIF |
---|
| 896 | ! |
---|
[7753] | 897 | zw2d(:,:) = 0._wp |
---|
| 898 | zw3d(:,:,:) = 0._wp |
---|
[7646] | 899 | DO jk = 1, jpkm1 |
---|
| 900 | DO jj = 2, jpjm1 |
---|
| 901 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 902 | zw3d(ji,jj,jk) = zw3d(ji,jj,jk) + ( psi_vw(ji,jj,jk+1) - psi_vw(ji,jj,jk) ) & |
---|
| 903 | & * ( tsn (ji,jj,jk,jp_tem) + tsn (ji,jj+1,jk,jp_tem) ) |
---|
| 904 | zw2d(ji,jj) = zw2d(ji,jj) + zw3d(ji,jj,jk) |
---|
[5836] | 905 | END DO |
---|
| 906 | END DO |
---|
[7646] | 907 | END DO |
---|
[10425] | 908 | CALL lbc_lnk( 'ldftra', zw2d, 'V', -1. ) |
---|
[7646] | 909 | CALL iom_put( "veiv_heattr", zztmp * zw2d ) ! heat transport in j-direction |
---|
| 910 | CALL iom_put( "veiv_heattr", zztmp * zw3d ) ! heat transport in j-direction |
---|
| 911 | ! |
---|
[12278] | 912 | IF( ln_diaptr ) CALL dia_ptr_hst( jp_tem, 'eiv', 0.5 * zw3d ) |
---|
[7646] | 913 | ! |
---|
| 914 | zztmp = 0.5_wp * 0.5 |
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| 915 | IF( iom_use('ueiv_salttr') .OR. iom_use('ueiv_salttr3d')) THEN |
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[7753] | 916 | zw2d(:,:) = 0._wp |
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| 917 | zw3d(:,:,:) = 0._wp |
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| 918 | DO jk = 1, jpkm1 |
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| 919 | DO jj = 2, jpjm1 |
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| 920 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 921 | zw3d(ji,jj,jk) = zw3d(ji,jj,jk) * ( psi_uw(ji,jj,jk+1) - psi_uw(ji,jj,jk) ) & |
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| 922 | & * ( tsn (ji,jj,jk,jp_sal) + tsn (ji+1,jj,jk,jp_sal) ) |
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| 923 | zw2d(ji,jj) = zw2d(ji,jj) + zw3d(ji,jj,jk) |
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| 924 | END DO |
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| 925 | END DO |
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| 926 | END DO |
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[10425] | 927 | CALL lbc_lnk( 'ldftra', zw2d, 'U', -1. ) |
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| 928 | CALL lbc_lnk( 'ldftra', zw3d, 'U', -1. ) |
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[7753] | 929 | CALL iom_put( "ueiv_salttr", zztmp * zw2d ) ! salt transport in i-direction |
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| 930 | CALL iom_put( "ueiv_salttr3d", zztmp * zw3d ) ! salt transport in i-direction |
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[7646] | 931 | ENDIF |
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[7753] | 932 | zw2d(:,:) = 0._wp |
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| 933 | zw3d(:,:,:) = 0._wp |
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[7646] | 934 | DO jk = 1, jpkm1 |
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| 935 | DO jj = 2, jpjm1 |
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| 936 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 937 | zw3d(ji,jj,jk) = zw3d(ji,jj,jk) + ( psi_vw(ji,jj,jk+1) - psi_vw(ji,jj,jk) ) & |
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| 938 | & * ( tsn (ji,jj,jk,jp_sal) + tsn (ji,jj+1,jk,jp_sal) ) |
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| 939 | zw2d(ji,jj) = zw2d(ji,jj) + zw3d(ji,jj,jk) |
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[5836] | 940 | END DO |
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| 941 | END DO |
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[7646] | 942 | END DO |
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[10425] | 943 | CALL lbc_lnk( 'ldftra', zw2d, 'V', -1. ) |
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[7646] | 944 | CALL iom_put( "veiv_salttr", zztmp * zw2d ) ! salt transport in j-direction |
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| 945 | CALL iom_put( "veiv_salttr", zztmp * zw3d ) ! salt transport in j-direction |
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[5836] | 946 | ! |
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[12278] | 947 | IF( ln_diaptr ) CALL dia_ptr_hst( jp_sal, 'eiv', 0.5 * zw3d ) |
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[7646] | 948 | ! |
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| 949 | ! |
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[5836] | 950 | END SUBROUTINE ldf_eiv_dia |
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[3] | 951 | |
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| 952 | !!====================================================================== |
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| 953 | END MODULE ldftra |
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