[1531] | 1 | MODULE zdftke |
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[1239] | 2 | !!====================================================================== |
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[1531] | 3 | !! *** MODULE zdftke *** |
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[1239] | 4 | !! Ocean physics: vertical mixing coefficient computed from the tke |
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| 5 | !! turbulent closure parameterization |
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| 6 | !!===================================================================== |
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[1492] | 7 | !! History : OPA ! 1991-03 (b. blanke) Original code |
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| 8 | !! 7.0 ! 1991-11 (G. Madec) bug fix |
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| 9 | !! 7.1 ! 1992-10 (G. Madec) new mixing length and eav |
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| 10 | !! 7.2 ! 1993-03 (M. Guyon) symetrical conditions |
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| 11 | !! 7.3 ! 1994-08 (G. Madec, M. Imbard) nn_pdl flag |
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| 12 | !! 7.5 ! 1996-01 (G. Madec) s-coordinates |
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| 13 | !! 8.0 ! 1997-07 (G. Madec) lbc |
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| 14 | !! 8.1 ! 1999-01 (E. Stretta) new option for the mixing length |
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| 15 | !! NEMO 1.0 ! 2002-06 (G. Madec) add tke_init routine |
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| 16 | !! - ! 2004-10 (C. Ethe ) 1D configuration |
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| 17 | !! 2.0 ! 2006-07 (S. Masson) distributed restart using iom |
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| 18 | !! 3.0 ! 2008-05 (C. Ethe, G.Madec) : update TKE physics: |
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| 19 | !! ! - tke penetration (wind steering) |
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| 20 | !! ! - suface condition for tke & mixing length |
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| 21 | !! ! - Langmuir cells |
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| 22 | !! - ! 2008-05 (J.-M. Molines, G. Madec) 2D form of avtb |
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| 23 | !! - ! 2008-06 (G. Madec) style + DOCTOR name for namelist parameters |
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| 24 | !! - ! 2008-12 (G. Reffray) stable discretization of the production term |
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| 25 | !! 3.2 ! 2009-06 (G. Madec, S. Masson) TKE restart compatible with key_cpl |
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| 26 | !! ! + cleaning of the parameters + bugs correction |
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[2528] | 27 | !! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase |
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[1239] | 28 | !!---------------------------------------------------------------------- |
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[1531] | 29 | #if defined key_zdftke || defined key_esopa |
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[1239] | 30 | !!---------------------------------------------------------------------- |
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[1531] | 31 | !! 'key_zdftke' TKE vertical physics |
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[1239] | 32 | !!---------------------------------------------------------------------- |
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[2528] | 33 | !! zdf_tke : update momentum and tracer Kz from a tke scheme |
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| 34 | !! tke_tke : tke time stepping: update tke at now time step (en) |
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| 35 | !! tke_avn : compute mixing length scale and deduce avm and avt |
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| 36 | !! zdf_tke_init : initialization, namelist read, and parameters control |
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| 37 | !! tke_rst : read/write tke restart in ocean restart file |
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[1239] | 38 | !!---------------------------------------------------------------------- |
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[2528] | 39 | USE oce ! ocean: dynamics and active tracers variables |
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| 40 | USE phycst ! physical constants |
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| 41 | USE dom_oce ! domain: ocean |
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| 42 | USE domvvl ! domain: variable volume layer |
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[1492] | 43 | USE sbc_oce ! surface boundary condition: ocean |
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[2528] | 44 | USE zdf_oce ! vertical physics: ocean variables |
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| 45 | USE zdfmxl ! vertical physics: mixed layer |
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| 46 | USE restart ! ocean restart |
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[1492] | 47 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 48 | USE prtctl ! Print control |
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| 49 | USE in_out_manager ! I/O manager |
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| 50 | USE iom ! I/O manager library |
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[2715] | 51 | USE lib_mpp ! MPP library |
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[1239] | 52 | |
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| 53 | IMPLICIT NONE |
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| 54 | PRIVATE |
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| 55 | |
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[2528] | 56 | PUBLIC zdf_tke ! routine called in step module |
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| 57 | PUBLIC zdf_tke_init ! routine called in opa module |
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| 58 | PUBLIC tke_rst ! routine called in step module |
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[1239] | 59 | |
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[2715] | 60 | LOGICAL , PUBLIC, PARAMETER :: lk_zdftke = .TRUE. !: TKE vertical mixing flag |
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[1239] | 61 | |
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[2528] | 62 | ! !!** Namelist namzdf_tke ** |
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| 63 | LOGICAL :: ln_mxl0 = .FALSE. ! mixing length scale surface value as function of wind stress or not |
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| 64 | INTEGER :: nn_mxl = 2 ! type of mixing length (=0/1/2/3) |
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| 65 | REAL(wp) :: rn_mxl0 = 0.04_wp ! surface min value of mixing length (kappa*z_o=0.4*0.1 m) [m] |
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| 66 | INTEGER :: nn_pdl = 1 ! Prandtl number or not (ratio avt/avm) (=0/1) |
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| 67 | REAL(wp) :: rn_ediff = 0.1_wp ! coefficient for avt: avt=rn_ediff*mxl*sqrt(e) |
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| 68 | REAL(wp) :: rn_ediss = 0.7_wp ! coefficient of the Kolmogoroff dissipation |
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| 69 | REAL(wp) :: rn_ebb = 3.75_wp ! coefficient of the surface input of tke |
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| 70 | REAL(wp) :: rn_emin = 0.7071e-6_wp ! minimum value of tke [m2/s2] |
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| 71 | REAL(wp) :: rn_emin0 = 1.e-4_wp ! surface minimum value of tke [m2/s2] |
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| 72 | REAL(wp) :: rn_bshear = 1.e-20_wp ! background shear (>0) currently a numerical threshold (do not change it) |
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| 73 | INTEGER :: nn_etau = 0 ! type of depth penetration of surface tke (=0/1/2/3) |
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| 74 | INTEGER :: nn_htau = 0 ! type of tke profile of penetration (=0/1) |
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| 75 | REAL(wp) :: rn_efr = 1.0_wp ! fraction of TKE surface value which penetrates in the ocean |
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| 76 | LOGICAL :: ln_lc = .FALSE. ! Langmuir cells (LC) as a source term of TKE or not |
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| 77 | REAL(wp) :: rn_lc = 0.15_wp ! coef to compute vertical velocity of Langmuir cells |
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[1239] | 78 | |
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[2528] | 79 | REAL(wp) :: ri_cri ! critic Richardson number (deduced from rn_ediff and rn_ediss values) |
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| 80 | REAL(wp) :: rmxl_min ! minimum mixing length value (deduced from rn_ediff and rn_emin values) [m] |
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| 81 | REAL(wp) :: rhftau_add = 1.e-3_wp ! add offset applied to HF part of taum (nn_etau=3) |
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| 82 | REAL(wp) :: rhftau_scl = 1.0_wp ! scale factor applied to HF part of taum (nn_etau=3) |
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[1239] | 83 | |
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[3211] | 84 | !! DCSE_NEMO: en is public because it is used by asmtrj |
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[2715] | 85 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: en !: now turbulent kinetic energy [m2/s2] |
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| 86 | REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:) :: htau ! depth of tke penetration (nn_htau) |
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[3211] | 87 | REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: dissl ! now mixing length of dissipation |
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[2715] | 88 | #if defined key_c1d |
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| 89 | ! !!** 1D cfg only ** ('key_c1d') |
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[3211] | 90 | !! DCSE_NEMO: these arrays do not need to be public |
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| 91 | ! REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: e_dis, e_mix !: dissipation and mixing turbulent length scales |
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| 92 | ! REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: e_pdl, e_ric !: prandl and local Richardson numbers |
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| 93 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: e_dis, e_mix !: dissipation and mixing turbulent length scales |
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| 94 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: e_pdl, e_ric !: prandl and local Richardson numbers |
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[2715] | 95 | #endif |
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[1492] | 96 | |
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[3211] | 97 | !! * Control permutation of array indices |
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| 98 | # include "zdftke_ftrans.h90" |
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| 99 | # include "oce_ftrans.h90" |
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| 100 | # include "dom_oce_ftrans.h90" |
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| 101 | # include "domvvl_ftrans.h90" |
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| 102 | # include "sbc_oce_ftrans.h90" |
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| 103 | # include "zdf_oce_ftrans.h90" |
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| 104 | !FTRANS dissl e_dis e_mix e_pdl e_ric :I :I :z |
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| 105 | |
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[1239] | 106 | !! * Substitutions |
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| 107 | # include "domzgr_substitute.h90" |
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| 108 | # include "vectopt_loop_substitute.h90" |
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| 109 | !!---------------------------------------------------------------------- |
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[2715] | 110 | !! NEMO/OPA 4.0 , NEMO Consortium (2011) |
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[2528] | 111 | !! $Id$ |
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| 112 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1239] | 113 | !!---------------------------------------------------------------------- |
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| 114 | CONTAINS |
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| 115 | |
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[2715] | 116 | INTEGER FUNCTION zdf_tke_alloc() |
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| 117 | !!---------------------------------------------------------------------- |
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| 118 | !! *** FUNCTION zdf_tke_alloc *** |
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| 119 | !!---------------------------------------------------------------------- |
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| 120 | ALLOCATE( & |
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| 121 | #if defined key_c1d |
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| 122 | & e_dis(jpi,jpj,jpk) , e_mix(jpi,jpj,jpk) , & |
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| 123 | & e_pdl(jpi,jpj,jpk) , e_ric(jpi,jpj,jpk) , & |
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| 124 | #endif |
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| 125 | & en (jpi,jpj,jpk) , htau (jpi,jpj) , dissl(jpi,jpj,jpk) , STAT= zdf_tke_alloc ) |
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| 126 | ! |
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| 127 | IF( lk_mpp ) CALL mpp_sum ( zdf_tke_alloc ) |
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| 128 | IF( zdf_tke_alloc /= 0 ) CALL ctl_warn('zdf_tke_alloc: failed to allocate arrays') |
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| 129 | ! |
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| 130 | END FUNCTION zdf_tke_alloc |
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| 131 | |
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| 132 | |
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[1531] | 133 | SUBROUTINE zdf_tke( kt ) |
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[1239] | 134 | !!---------------------------------------------------------------------- |
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[1531] | 135 | !! *** ROUTINE zdf_tke *** |
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[1239] | 136 | !! |
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| 137 | !! ** Purpose : Compute the vertical eddy viscosity and diffusivity |
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[1492] | 138 | !! coefficients using a turbulent closure scheme (TKE). |
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[1239] | 139 | !! |
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[1492] | 140 | !! ** Method : The time evolution of the turbulent kinetic energy (tke) |
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| 141 | !! is computed from a prognostic equation : |
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| 142 | !! d(en)/dt = avm (d(u)/dz)**2 ! shear production |
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| 143 | !! + d( avm d(en)/dz )/dz ! diffusion of tke |
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| 144 | !! + avt N^2 ! stratif. destruc. |
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| 145 | !! - rn_ediss / emxl en**(2/3) ! Kolmogoroff dissipation |
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[1239] | 146 | !! with the boundary conditions: |
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[1695] | 147 | !! surface: en = max( rn_emin0, rn_ebb * taum ) |
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[1239] | 148 | !! bottom : en = rn_emin |
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[1492] | 149 | !! The associated critical Richardson number is: ri_cri = 2/(2+rn_ediss/rn_ediff) |
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| 150 | !! |
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| 151 | !! The now Turbulent kinetic energy is computed using the following |
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| 152 | !! time stepping: implicit for vertical diffusion term, linearized semi |
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| 153 | !! implicit for kolmogoroff dissipation term, and explicit forward for |
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| 154 | !! both buoyancy and shear production terms. Therefore a tridiagonal |
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| 155 | !! linear system is solved. Note that buoyancy and shear terms are |
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| 156 | !! discretized in a energy conserving form (Bruchard 2002). |
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| 157 | !! |
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| 158 | !! The dissipative and mixing length scale are computed from en and |
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| 159 | !! the stratification (see tke_avn) |
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| 160 | !! |
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| 161 | !! The now vertical eddy vicosity and diffusivity coefficients are |
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| 162 | !! given by: |
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| 163 | !! avm = max( avtb, rn_ediff * zmxlm * en^1/2 ) |
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| 164 | !! avt = max( avmb, pdl * avm ) |
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[1239] | 165 | !! eav = max( avmb, avm ) |
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[1492] | 166 | !! where pdl, the inverse of the Prandtl number is 1 if nn_pdl=0 and |
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| 167 | !! given by an empirical funtion of the localRichardson number if nn_pdl=1 |
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[1239] | 168 | !! |
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| 169 | !! ** Action : compute en (now turbulent kinetic energy) |
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| 170 | !! update avt, avmu, avmv (before vertical eddy coef.) |
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| 171 | !! |
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| 172 | !! References : Gaspar et al., JGR, 1990, |
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| 173 | !! Blanke and Delecluse, JPO, 1991 |
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| 174 | !! Mellor and Blumberg, JPO 2004 |
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| 175 | !! Axell, JGR, 2002 |
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[1492] | 176 | !! Bruchard OM 2002 |
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[1239] | 177 | !!---------------------------------------------------------------------- |
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[1492] | 178 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 179 | !!---------------------------------------------------------------------- |
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[1481] | 180 | ! |
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[2528] | 181 | CALL tke_tke ! now tke (en) |
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[1492] | 182 | ! |
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[2528] | 183 | CALL tke_avn ! now avt, avm, avmu, avmv |
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| 184 | ! |
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[1531] | 185 | END SUBROUTINE zdf_tke |
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[1239] | 186 | |
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[1492] | 187 | |
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[1481] | 188 | SUBROUTINE tke_tke |
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[1239] | 189 | !!---------------------------------------------------------------------- |
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[1492] | 190 | !! *** ROUTINE tke_tke *** |
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| 191 | !! |
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| 192 | !! ** Purpose : Compute the now Turbulente Kinetic Energy (TKE) |
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| 193 | !! |
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| 194 | !! ** Method : - TKE surface boundary condition |
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[2528] | 195 | !! - source term due to Langmuir cells (Axell JGR 2002) (ln_lc=T) |
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[1492] | 196 | !! - source term due to shear (saved in avmu, avmv arrays) |
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| 197 | !! - Now TKE : resolution of the TKE equation by inverting |
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| 198 | !! a tridiagonal linear system by a "methode de chasse" |
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| 199 | !! - increase TKE due to surface and internal wave breaking |
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| 200 | !! |
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| 201 | !! ** Action : - en : now turbulent kinetic energy) |
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| 202 | !! - avmu, avmv : production of TKE by shear at u and v-points |
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| 203 | !! (= Kz dz[Ub] * dz[Un] ) |
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[1239] | 204 | !! --------------------------------------------------------------------- |
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[2715] | 205 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released, iwrk_in_use, iwrk_not_released |
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| 206 | USE oce , ONLY: zdiag => ua , zd_up => va , zd_lw => ta ! (ua,va,ta) used as workspace |
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| 207 | USE wrk_nemo, ONLY: imlc => iwrk_2d_1 ! 2D INTEGER workspace |
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| 208 | USE wrk_nemo, ONLY: zhlc => wrk_2d_1 ! 2D REAL workspace |
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| 209 | USE wrk_nemo, ONLY: zpelc => wrk_3d_1 ! 3D REAL workspace |
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[3211] | 210 | |
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| 211 | !! DCSE_NEMO: need additional directives for renamed module variables |
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| 212 | !FTRANS zdiag zd_up zd_lw :I :I :z |
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| 213 | !FTRANS zpelc :I :I :z |
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[2715] | 214 | ! |
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[1705] | 215 | INTEGER :: ji, jj, jk ! dummy loop arguments |
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[2528] | 216 | !!bfr INTEGER :: ikbu, ikbv, ikbum1, ikbvm1 ! temporary scalar |
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| 217 | !!bfr INTEGER :: ikbt, ikbumm1, ikbvmm1 ! temporary scalar |
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[1705] | 218 | REAL(wp) :: zrhoa = 1.22 ! Air density kg/m3 |
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| 219 | REAL(wp) :: zcdrag = 1.5e-3 ! drag coefficient |
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| 220 | REAL(wp) :: zbbrau, zesh2 ! temporary scalars |
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| 221 | REAL(wp) :: zfact1, zfact2, zfact3 ! - - |
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| 222 | REAL(wp) :: ztx2 , zty2 , zcof ! - - |
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| 223 | REAL(wp) :: ztau , zdif ! - - |
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| 224 | REAL(wp) :: zus , zwlc , zind ! - - |
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| 225 | REAL(wp) :: zzd_up, zzd_lw ! - - |
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[2528] | 226 | !!bfr REAL(wp) :: zebot ! - - |
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[1239] | 227 | !!-------------------------------------------------------------------- |
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[1492] | 228 | ! |
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[2715] | 229 | IF( iwrk_in_use(2, 1) .OR. & |
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| 230 | wrk_in_use(2, 1) .OR. & |
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| 231 | wrk_in_use(3, 1) ) THEN |
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| 232 | CALL ctl_stop('tke_tke: requested workspace arrays unavailable') ; RETURN |
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| 233 | END IF |
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| 234 | |
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[1695] | 235 | zbbrau = rn_ebb / rau0 ! Local constant initialisation |
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[2528] | 236 | zfact1 = -.5_wp * rdt |
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| 237 | zfact2 = 1.5_wp * rdt * rn_ediss |
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| 238 | zfact3 = 0.5_wp * rn_ediss |
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[1492] | 239 | ! |
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| 240 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 241 | ! ! Surface boundary condition on tke |
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| 242 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[1695] | 243 | DO jj = 2, jpjm1 ! en(1) = rn_ebb taum / rau0 (min value rn_emin0) |
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[1481] | 244 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[3211] | 245 | #if defined key_z_first |
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| 246 | en(ji,jj,1) = MAX( rn_emin0, zbbrau * taum(ji,jj) ) * tmask_1(ji,jj) |
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| 247 | #else |
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[1695] | 248 | en(ji,jj,1) = MAX( rn_emin0, zbbrau * taum(ji,jj) ) * tmask(ji,jj,1) |
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[3211] | 249 | #endif |
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[1481] | 250 | END DO |
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| 251 | END DO |
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[2528] | 252 | |
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| 253 | !!bfr - start commented area |
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[1492] | 254 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 255 | ! ! Bottom boundary condition on tke |
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| 256 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[1719] | 257 | ! |
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| 258 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 259 | ! Tests to date have found the bottom boundary condition on tke to have very little effect. |
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| 260 | ! The condition is coded here for completion but commented out until there is proof that the |
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| 261 | ! computational cost is justified |
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| 262 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 263 | ! en(bot) = (rn_ebb0/rau0)*0.5*sqrt(u_botfr^2+v_botfr^2) (min value rn_emin) |
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[1662] | 264 | !CDIR NOVERRCHK |
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[1719] | 265 | !! DO jj = 2, jpjm1 |
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[1662] | 266 | !CDIR NOVERRCHK |
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[1719] | 267 | !! DO ji = fs_2, fs_jpim1 ! vector opt. |
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[2528] | 268 | !! ztx2 = bfrua(ji-1,jj) * ub(ji-1,jj,mbku(ji-1,jj)) + & |
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| 269 | !! bfrua(ji ,jj) * ub(ji ,jj,mbku(ji ,jj) ) |
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| 270 | !! zty2 = bfrva(ji,jj ) * vb(ji,jj ,mbkv(ji,jj )) + & |
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| 271 | !! bfrva(ji,jj-1) * vb(ji,jj-1,mbkv(ji,jj-1) ) |
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[1719] | 272 | !! zebot = 0.001875_wp * SQRT( ztx2 * ztx2 + zty2 * zty2 ) ! where 0.001875 = (rn_ebb0/rau0) * 0.5 = 3.75*0.5/1000. |
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[2528] | 273 | !! en (ji,jj,mbkt(ji,jj)+1) = MAX( zebot, rn_emin ) * tmask(ji,jj,1) |
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[1719] | 274 | !! END DO |
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| 275 | !! END DO |
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[2528] | 276 | !!bfr - end commented area |
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[1492] | 277 | ! |
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| 278 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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[2528] | 279 | IF( ln_lc ) THEN ! Langmuir circulation source term added to tke (Axell JGR 2002) |
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[1492] | 280 | ! !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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[1239] | 281 | ! |
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[1492] | 282 | ! !* total energy produce by LC : cumulative sum over jk |
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[3211] | 283 | #if defined key_z_first |
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| 284 | DO jj = 1, jpj |
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| 285 | DO ji = 1, jpi |
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| 286 | zpelc(ji,jj,1) = MAX( rn2b(ji,jj,1), 0._wp ) * fsdepw(ji,jj,1) * fse3w(ji,jj,1) |
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| 287 | DO jk = 2, jpk |
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| 288 | zpelc(ji,jj,jk) = zpelc(ji,jj,jk-1) + MAX( rn2b(ji,jj,jk), 0._wp ) * fsdepw(ji,jj,jk) * fse3w(ji,jj,jk) |
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| 289 | END DO |
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| 290 | END DO |
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| 291 | END DO |
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| 292 | #else |
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[2528] | 293 | zpelc(:,:,1) = MAX( rn2b(:,:,1), 0._wp ) * fsdepw(:,:,1) * fse3w(:,:,1) |
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[1239] | 294 | DO jk = 2, jpk |
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[2528] | 295 | zpelc(:,:,jk) = zpelc(:,:,jk-1) + MAX( rn2b(:,:,jk), 0._wp ) * fsdepw(:,:,jk) * fse3w(:,:,jk) |
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[1239] | 296 | END DO |
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[3211] | 297 | #endif |
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[1492] | 298 | ! !* finite Langmuir Circulation depth |
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[1705] | 299 | zcof = 0.5 * 0.016 * 0.016 / ( zrhoa * zcdrag ) |
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[2528] | 300 | imlc(:,:) = mbkt(:,:) + 1 ! Initialization to the number of w ocean point (=2 over land) |
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[3211] | 301 | #if defined key_z_first |
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| 302 | DO jj = 1, jpj ! Last w-level at which zpelc>=0.5*us*us |
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| 303 | DO ji = 1, jpi ! with us=0.016*wind(starting from jpk-1) |
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| 304 | zus = zcof * taum(ji,jj) |
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| 305 | DO jk = jpkm1, 2, -1 |
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| 306 | #else |
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[1239] | 307 | DO jk = jpkm1, 2, -1 |
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[1492] | 308 | DO jj = 1, jpj ! Last w-level at which zpelc>=0.5*us*us |
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| 309 | DO ji = 1, jpi ! with us=0.016*wind(starting from jpk-1) |
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[1705] | 310 | zus = zcof * taum(ji,jj) |
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[3211] | 311 | #endif |
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[1239] | 312 | IF( zpelc(ji,jj,jk) > zus ) imlc(ji,jj) = jk |
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| 313 | END DO |
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| 314 | END DO |
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| 315 | END DO |
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[1492] | 316 | ! ! finite LC depth |
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| 317 | # if defined key_vectopt_loop |
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| 318 | DO jj = 1, 1 |
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| 319 | DO ji = 1, jpij ! vector opt. (forced unrolling) |
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| 320 | # else |
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| 321 | DO jj = 1, jpj |
---|
[1239] | 322 | DO ji = 1, jpi |
---|
[1492] | 323 | # endif |
---|
[1239] | 324 | zhlc(ji,jj) = fsdepw(ji,jj,imlc(ji,jj)) |
---|
| 325 | END DO |
---|
| 326 | END DO |
---|
[1705] | 327 | zcof = 0.016 / SQRT( zrhoa * zcdrag ) |
---|
[3211] | 328 | #if defined key_z_first |
---|
| 329 | DO jj = 2, jpjm1 !* TKE Langmuir circulation source term added to en |
---|
| 330 | DO ji = 2, jpim1 |
---|
| 331 | zus = zcof * SQRT( taum(ji,jj) ) ! Stokes drift |
---|
| 332 | DO jk = 2, jpkm1 |
---|
| 333 | #else |
---|
[1239] | 334 | !CDIR NOVERRCHK |
---|
[1492] | 335 | DO jk = 2, jpkm1 !* TKE Langmuir circulation source term added to en |
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[1239] | 336 | !CDIR NOVERRCHK |
---|
| 337 | DO jj = 2, jpjm1 |
---|
| 338 | !CDIR NOVERRCHK |
---|
| 339 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[1705] | 340 | zus = zcof * SQRT( taum(ji,jj) ) ! Stokes drift |
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[3211] | 341 | #endif |
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[1492] | 342 | ! ! vertical velocity due to LC |
---|
[1239] | 343 | zind = 0.5 - SIGN( 0.5, fsdepw(ji,jj,jk) - zhlc(ji,jj) ) |
---|
| 344 | zwlc = zind * rn_lc * zus * SIN( rpi * fsdepw(ji,jj,jk) / zhlc(ji,jj) ) |
---|
[1492] | 345 | ! ! TKE Langmuir circulation source term |
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| 346 | en(ji,jj,jk) = en(ji,jj,jk) + rdt * ( zwlc * zwlc * zwlc ) / zhlc(ji,jj) * tmask(ji,jj,jk) |
---|
[1239] | 347 | END DO |
---|
| 348 | END DO |
---|
| 349 | END DO |
---|
| 350 | ! |
---|
| 351 | ENDIF |
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[1492] | 352 | ! |
---|
| 353 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 354 | ! ! Now Turbulent kinetic energy (output in en) |
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| 355 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 356 | ! ! Resolution of a tridiagonal linear system by a "methode de chasse" |
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| 357 | ! ! computation from level 2 to jpkm1 (e(1) already computed and e(jpk)=0 ). |
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| 358 | ! ! zdiag : diagonal zd_up : upper diagonal zd_lw : lower diagonal |
---|
| 359 | ! |
---|
[3211] | 360 | #if defined key_z_first |
---|
| 361 | !* Shear production at uw- and vw-points (energy conserving form) |
---|
| 362 | ! here avmu, avmv used as workspace |
---|
| 363 | DO jj = 1, jpj |
---|
| 364 | DO ji = 1, jpi |
---|
| 365 | DO jk = 2, jpkm1 |
---|
| 366 | #else |
---|
[1492] | 367 | DO jk = 2, jpkm1 !* Shear production at uw- and vw-points (energy conserving form) |
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| 368 | DO jj = 1, jpj ! here avmu, avmv used as workspace |
---|
| 369 | DO ji = 1, jpi |
---|
[3211] | 370 | #endif |
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[1492] | 371 | avmu(ji,jj,jk) = avmu(ji,jj,jk) * ( un(ji,jj,jk-1) - un(ji,jj,jk) ) & |
---|
| 372 | & * ( ub(ji,jj,jk-1) - ub(ji,jj,jk) ) & |
---|
| 373 | & / ( fse3uw_n(ji,jj,jk) & |
---|
| 374 | & * fse3uw_b(ji,jj,jk) ) |
---|
| 375 | avmv(ji,jj,jk) = avmv(ji,jj,jk) * ( vn(ji,jj,jk-1) - vn(ji,jj,jk) ) & |
---|
| 376 | & * ( vb(ji,jj,jk-1) - vb(ji,jj,jk) ) & |
---|
| 377 | & / ( fse3vw_n(ji,jj,jk) & |
---|
| 378 | & * fse3vw_b(ji,jj,jk) ) |
---|
| 379 | END DO |
---|
| 380 | END DO |
---|
| 381 | END DO |
---|
[3211] | 382 | |
---|
[1492] | 383 | ! |
---|
[3211] | 384 | #if defined key_z_first |
---|
| 385 | DO jj = 2, jpjm1 |
---|
| 386 | DO ji = 2, jpim1 |
---|
| 387 | DO jk = 2, jpkm1 !* Matrix and right hand side in en |
---|
| 388 | #else |
---|
[1492] | 389 | DO jk = 2, jpkm1 !* Matrix and right hand side in en |
---|
[1239] | 390 | DO jj = 2, jpjm1 |
---|
| 391 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[3211] | 392 | #endif |
---|
[1492] | 393 | zcof = zfact1 * tmask(ji,jj,jk) |
---|
| 394 | zzd_up = zcof * ( avm (ji,jj,jk+1) + avm (ji,jj,jk ) ) & ! upper diagonal |
---|
| 395 | & / ( fse3t(ji,jj,jk ) * fse3w(ji,jj,jk ) ) |
---|
| 396 | zzd_lw = zcof * ( avm (ji,jj,jk ) + avm (ji,jj,jk-1) ) & ! lower diagonal |
---|
| 397 | & / ( fse3t(ji,jj,jk-1) * fse3w(ji,jj,jk ) ) |
---|
| 398 | ! ! shear prod. at w-point weightened by mask |
---|
[2528] | 399 | zesh2 = ( avmu(ji-1,jj,jk) + avmu(ji,jj,jk) ) / MAX( 1._wp , umask(ji-1,jj,jk) + umask(ji,jj,jk) ) & |
---|
| 400 | & + ( avmv(ji,jj-1,jk) + avmv(ji,jj,jk) ) / MAX( 1._wp , vmask(ji,jj-1,jk) + vmask(ji,jj,jk) ) |
---|
[1492] | 401 | ! |
---|
| 402 | zd_up(ji,jj,jk) = zzd_up ! Matrix (zdiag, zd_up, zd_lw) |
---|
| 403 | zd_lw(ji,jj,jk) = zzd_lw |
---|
[2528] | 404 | zdiag(ji,jj,jk) = 1._wp - zzd_lw - zzd_up + zfact2 * dissl(ji,jj,jk) * tmask(ji,jj,jk) |
---|
[1239] | 405 | ! |
---|
[1492] | 406 | ! ! right hand side in en |
---|
[1481] | 407 | en(ji,jj,jk) = en(ji,jj,jk) + rdt * ( zesh2 - avt(ji,jj,jk) * rn2(ji,jj,jk) & |
---|
| 408 | & + zfact3 * dissl(ji,jj,jk) * en (ji,jj,jk) ) * tmask(ji,jj,jk) |
---|
[1239] | 409 | END DO |
---|
| 410 | END DO |
---|
| 411 | END DO |
---|
[1492] | 412 | ! !* Matrix inversion from level 2 (tke prescribed at level 1) |
---|
[3211] | 413 | #if defined key_z_first |
---|
| 414 | DO jj = 2, jpjm1 |
---|
| 415 | DO ji = 2, jpim1 |
---|
| 416 | ! First recurrence : Dk = Dk - Lk * Uk-1 / Dk-1 |
---|
| 417 | DO jk = 3, jpkm1 |
---|
| 418 | zdiag(ji,jj,jk) = zdiag(ji,jj,jk) - zd_lw(ji,jj,jk) * zd_up(ji,jj,jk-1) / zdiag(ji,jj,jk-1) |
---|
| 419 | END DO |
---|
| 420 | ! Second recurrence : Lk = RHSk - Lk / Dk-1 * Lk-1 |
---|
| 421 | zd_lw(ji,jj,2) = en(ji,jj,2) - zd_lw(ji,jj,2) * en(ji,jj,1) ! Surface boudary conditions on tke |
---|
| 422 | DO jk = 3, jpkm1 |
---|
| 423 | zd_lw(ji,jj,jk) = en(ji,jj,jk) - zd_lw(ji,jj,jk) / zdiag(ji,jj,jk-1) *zd_lw(ji,jj,jk-1) |
---|
| 424 | END DO |
---|
| 425 | ! Third recurrence : Ek = ( Lk - Uk * Ek+1 ) / Dk |
---|
| 426 | en(ji,jj,jpkm1) = zd_lw(ji,jj,jpkm1) / zdiag(ji,jj,jpkm1) |
---|
| 427 | DO jk = jpk-2, 2, -1 |
---|
| 428 | en(ji,jj,jk) = ( zd_lw(ji,jj,jk) - zd_up(ji,jj,jk) * en(ji,jj,jk+1) ) / zdiag(ji,jj,jk) |
---|
| 429 | END DO |
---|
| 430 | DO jk = 2, jpkm1 ! set the minimum value of tke |
---|
| 431 | en(ji,jj,jk) = MAX( en(ji,jj,jk), rn_emin ) * tmask(ji,jj,jk) |
---|
| 432 | END DO |
---|
| 433 | END DO |
---|
| 434 | END DO |
---|
| 435 | #else |
---|
[1239] | 436 | DO jk = 3, jpkm1 ! First recurrence : Dk = Dk - Lk * Uk-1 / Dk-1 |
---|
| 437 | DO jj = 2, jpjm1 |
---|
| 438 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[1492] | 439 | zdiag(ji,jj,jk) = zdiag(ji,jj,jk) - zd_lw(ji,jj,jk) * zd_up(ji,jj,jk-1) / zdiag(ji,jj,jk-1) |
---|
[1239] | 440 | END DO |
---|
| 441 | END DO |
---|
| 442 | END DO |
---|
| 443 | DO jj = 2, jpjm1 ! Second recurrence : Lk = RHSk - Lk / Dk-1 * Lk-1 |
---|
| 444 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[1492] | 445 | zd_lw(ji,jj,2) = en(ji,jj,2) - zd_lw(ji,jj,2) * en(ji,jj,1) ! Surface boudary conditions on tke |
---|
[1239] | 446 | END DO |
---|
| 447 | END DO |
---|
| 448 | DO jk = 3, jpkm1 |
---|
| 449 | DO jj = 2, jpjm1 |
---|
| 450 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[1492] | 451 | zd_lw(ji,jj,jk) = en(ji,jj,jk) - zd_lw(ji,jj,jk) / zdiag(ji,jj,jk-1) *zd_lw(ji,jj,jk-1) |
---|
[1239] | 452 | END DO |
---|
| 453 | END DO |
---|
| 454 | END DO |
---|
| 455 | DO jj = 2, jpjm1 ! thrid recurrence : Ek = ( Lk - Uk * Ek+1 ) / Dk |
---|
| 456 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[1492] | 457 | en(ji,jj,jpkm1) = zd_lw(ji,jj,jpkm1) / zdiag(ji,jj,jpkm1) |
---|
[1239] | 458 | END DO |
---|
| 459 | END DO |
---|
| 460 | DO jk = jpk-2, 2, -1 |
---|
| 461 | DO jj = 2, jpjm1 |
---|
| 462 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[1492] | 463 | en(ji,jj,jk) = ( zd_lw(ji,jj,jk) - zd_up(ji,jj,jk) * en(ji,jj,jk+1) ) / zdiag(ji,jj,jk) |
---|
[1239] | 464 | END DO |
---|
| 465 | END DO |
---|
| 466 | END DO |
---|
| 467 | DO jk = 2, jpkm1 ! set the minimum value of tke |
---|
| 468 | DO jj = 2, jpjm1 |
---|
| 469 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 470 | en(ji,jj,jk) = MAX( en(ji,jj,jk), rn_emin ) * tmask(ji,jj,jk) |
---|
| 471 | END DO |
---|
| 472 | END DO |
---|
| 473 | END DO |
---|
[3211] | 474 | #endif |
---|
[1239] | 475 | |
---|
[1492] | 476 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
| 477 | ! ! TKE due to surface and internal wave breaking |
---|
| 478 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
[2528] | 479 | IF( nn_etau == 1 ) THEN !* penetration below the mixed layer (rn_efr fraction) |
---|
[3211] | 480 | #if defined key_z_first |
---|
| 481 | DO jj = 2, jpjm1 |
---|
| 482 | DO ji = 2, jpim1 |
---|
| 483 | DO jk = 2, jpkm1 |
---|
| 484 | #else |
---|
[1492] | 485 | DO jk = 2, jpkm1 |
---|
[1239] | 486 | DO jj = 2, jpjm1 |
---|
| 487 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[3211] | 488 | #endif |
---|
[1492] | 489 | en(ji,jj,jk) = en(ji,jj,jk) + rn_efr * en(ji,jj,1) * EXP( -fsdepw(ji,jj,jk) / htau(ji,jj) ) & |
---|
[2528] | 490 | & * ( 1._wp - fr_i(ji,jj) ) * tmask(ji,jj,jk) |
---|
[1239] | 491 | END DO |
---|
| 492 | END DO |
---|
[1492] | 493 | END DO |
---|
[2528] | 494 | ELSEIF( nn_etau == 2 ) THEN !* act only at the base of the mixed layer (jk=nmln) (rn_efr fraction) |
---|
[1492] | 495 | DO jj = 2, jpjm1 |
---|
| 496 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 497 | jk = nmln(ji,jj) |
---|
| 498 | en(ji,jj,jk) = en(ji,jj,jk) + rn_efr * en(ji,jj,1) * EXP( -fsdepw(ji,jj,jk) / htau(ji,jj) ) & |
---|
[2528] | 499 | & * ( 1._wp - fr_i(ji,jj) ) * tmask(ji,jj,jk) |
---|
[1239] | 500 | END DO |
---|
[1492] | 501 | END DO |
---|
[2528] | 502 | ELSEIF( nn_etau == 3 ) THEN !* penetration belox the mixed layer (HF variability) |
---|
[3211] | 503 | |
---|
| 504 | !! DCSE_NEMO: its probably not worth changing the order of these loops for level first indexing, |
---|
| 505 | !! unless we also make zdif a 2-d (jpi,jpj) array |
---|
[1705] | 506 | !CDIR NOVERRCHK |
---|
| 507 | DO jk = 2, jpkm1 |
---|
| 508 | !CDIR NOVERRCHK |
---|
| 509 | DO jj = 2, jpjm1 |
---|
| 510 | !CDIR NOVERRCHK |
---|
| 511 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 512 | ztx2 = utau(ji-1,jj ) + utau(ji,jj) |
---|
| 513 | zty2 = vtau(ji ,jj-1) + vtau(ji,jj) |
---|
[2528] | 514 | ztau = 0.5_wp * SQRT( ztx2 * ztx2 + zty2 * zty2 ) ! module of the mean stress |
---|
| 515 | zdif = taum(ji,jj) - ztau ! mean of modulus - modulus of the mean |
---|
| 516 | zdif = rhftau_scl * MAX( 0._wp, zdif + rhftau_add ) ! apply some modifications... |
---|
[1705] | 517 | en(ji,jj,jk) = en(ji,jj,jk) + zbbrau * zdif * EXP( -fsdepw(ji,jj,jk) / htau(ji,jj) ) & |
---|
[2528] | 518 | & * ( 1._wp - fr_i(ji,jj) ) * tmask(ji,jj,jk) |
---|
[1705] | 519 | END DO |
---|
| 520 | END DO |
---|
| 521 | END DO |
---|
[1239] | 522 | ENDIF |
---|
[1492] | 523 | CALL lbc_lnk( en, 'W', 1. ) ! Lateral boundary conditions (sign unchanged) |
---|
| 524 | ! |
---|
[2715] | 525 | IF( iwrk_not_released(2 ,1) .OR. & |
---|
| 526 | wrk_not_released(2, 1) .OR. & |
---|
| 527 | wrk_not_released(3, 1) ) CALL ctl_stop( 'tke_tke: failed to release workspace arrays' ) |
---|
| 528 | ! |
---|
[1239] | 529 | END SUBROUTINE tke_tke |
---|
| 530 | |
---|
[3211] | 531 | !! * Reset control of array index permutation |
---|
| 532 | # include "zdftke_ftrans.h90" |
---|
| 533 | # include "oce_ftrans.h90" |
---|
| 534 | # include "dom_oce_ftrans.h90" |
---|
| 535 | # include "domvvl_ftrans.h90" |
---|
| 536 | # include "sbc_oce_ftrans.h90" |
---|
| 537 | # include "zdf_oce_ftrans.h90" |
---|
| 538 | !FTRANS dissl e_dis e_mix e_pdl e_ric :I :I :z |
---|
[1492] | 539 | |
---|
| 540 | SUBROUTINE tke_avn |
---|
[1239] | 541 | !!---------------------------------------------------------------------- |
---|
[1492] | 542 | !! *** ROUTINE tke_avn *** |
---|
[1239] | 543 | !! |
---|
[1492] | 544 | !! ** Purpose : Compute the vertical eddy viscosity and diffusivity |
---|
| 545 | !! |
---|
| 546 | !! ** Method : At this stage, en, the now TKE, is known (computed in |
---|
| 547 | !! the tke_tke routine). First, the now mixing lenth is |
---|
| 548 | !! computed from en and the strafification (N^2), then the mixings |
---|
| 549 | !! coefficients are computed. |
---|
| 550 | !! - Mixing length : a first evaluation of the mixing lengh |
---|
| 551 | !! scales is: |
---|
| 552 | !! mxl = sqrt(2*en) / N |
---|
| 553 | !! where N is the brunt-vaisala frequency, with a minimum value set |
---|
[2528] | 554 | !! to rmxl_min (rn_mxl0) in the interior (surface) ocean. |
---|
[1492] | 555 | !! The mixing and dissipative length scale are bound as follow : |
---|
| 556 | !! nn_mxl=0 : mxl bounded by the distance to surface and bottom. |
---|
| 557 | !! zmxld = zmxlm = mxl |
---|
| 558 | !! nn_mxl=1 : mxl bounded by the e3w and zmxld = zmxlm = mxl |
---|
| 559 | !! nn_mxl=2 : mxl bounded such that the vertical derivative of mxl is |
---|
| 560 | !! less than 1 (|d/dz(mxl)|<1) and zmxld = zmxlm = mxl |
---|
| 561 | !! nn_mxl=3 : mxl is bounded from the surface to the bottom usings |
---|
| 562 | !! |d/dz(xml)|<1 to obtain lup, and from the bottom to |
---|
| 563 | !! the surface to obtain ldown. the resulting length |
---|
| 564 | !! scales are: |
---|
| 565 | !! zmxld = sqrt( lup * ldown ) |
---|
| 566 | !! zmxlm = min ( lup , ldown ) |
---|
| 567 | !! - Vertical eddy viscosity and diffusivity: |
---|
| 568 | !! avm = max( avtb, rn_ediff * zmxlm * en^1/2 ) |
---|
| 569 | !! avt = max( avmb, pdlr * avm ) |
---|
| 570 | !! with pdlr=1 if nn_pdl=0, pdlr=1/pdl=F(Ri) otherwise. |
---|
| 571 | !! |
---|
| 572 | !! ** Action : - avt : now vertical eddy diffusivity (w-point) |
---|
| 573 | !! - avmu, avmv : now vertical eddy viscosity at uw- and vw-points |
---|
[1239] | 574 | !!---------------------------------------------------------------------- |
---|
[2715] | 575 | USE oce, ONLY: zmpdl => ua , zmxlm => va , zmxld => ta ! (ua,va,ta) used as workspace |
---|
[3211] | 576 | !! DCSE_NEMO: need additional directives for renamed module variables |
---|
| 577 | !FTRANS zmpdl zmxlm zmxld :I :I :z |
---|
[1492] | 578 | !! |
---|
[2715] | 579 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 580 | REAL(wp) :: zrn2, zraug, zcoef, zav ! local scalars |
---|
| 581 | REAL(wp) :: zdku, zpdlr, zri, zsqen ! - - |
---|
| 582 | REAL(wp) :: zdkv, zemxl, zemlm, zemlp ! - - |
---|
[1239] | 583 | !!-------------------------------------------------------------------- |
---|
| 584 | |
---|
[1492] | 585 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
| 586 | ! ! Mixing length |
---|
| 587 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
| 588 | ! |
---|
| 589 | ! !* Buoyancy length scale: l=sqrt(2*e/n**2) |
---|
| 590 | ! |
---|
[2528] | 591 | IF( ln_mxl0 ) THEN ! surface mixing length = F(stress) : l=vkarmn*2.e5*taum/(rau0*g) |
---|
| 592 | zraug = vkarmn * 2.e5_wp / ( rau0 * grav ) |
---|
| 593 | zmxlm(:,:,1) = MAX( rn_mxl0, zraug * taum(:,:) ) |
---|
| 594 | ELSE ! surface set to the minimum value |
---|
| 595 | zmxlm(:,:,1) = rn_mxl0 |
---|
[1239] | 596 | ENDIF |
---|
[3211] | 597 | |
---|
| 598 | #if defined key_z_first |
---|
| 599 | DO jj = 2, jpjm1 |
---|
| 600 | DO ji = 2, jpim1 |
---|
| 601 | zmxlm(ji,jj,jpk) = rmxl_min ! last level set to the interior minium value |
---|
| 602 | DO jk = 2, jpkm1 ! interior value : l=sqrt(2*e/n^2) |
---|
| 603 | #else |
---|
| 604 | zmxlm(:,:,jpk) = rmxl_min ! last level set to the interior minium value |
---|
[1239] | 605 | ! |
---|
| 606 | !CDIR NOVERRCHK |
---|
[2528] | 607 | DO jk = 2, jpkm1 ! interior value : l=sqrt(2*e/n^2) |
---|
[1239] | 608 | !CDIR NOVERRCHK |
---|
| 609 | DO jj = 2, jpjm1 |
---|
| 610 | !CDIR NOVERRCHK |
---|
| 611 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[3211] | 612 | #endif |
---|
[1239] | 613 | zrn2 = MAX( rn2(ji,jj,jk), rsmall ) |
---|
[2528] | 614 | zmxlm(ji,jj,jk) = MAX( rmxl_min, SQRT( 2._wp * en(ji,jj,jk) / zrn2 ) ) |
---|
[1239] | 615 | END DO |
---|
| 616 | END DO |
---|
| 617 | END DO |
---|
[1492] | 618 | ! |
---|
| 619 | ! !* Physical limits for the mixing length |
---|
| 620 | ! |
---|
[2528] | 621 | zmxld(:,:, 1 ) = zmxlm(:,:,1) ! surface set to the zmxlm value |
---|
| 622 | zmxld(:,:,jpk) = rmxl_min ! last level set to the minimum value |
---|
[1492] | 623 | ! |
---|
[1239] | 624 | SELECT CASE ( nn_mxl ) |
---|
| 625 | ! |
---|
| 626 | CASE ( 0 ) ! bounded by the distance to surface and bottom |
---|
[3211] | 627 | #if defined key_z_first |
---|
| 628 | DO jj = 2, jpjm1 |
---|
| 629 | DO ji = 2, jpim1 |
---|
| 630 | DO jk = 2, jpkm1 |
---|
| 631 | #else |
---|
[1239] | 632 | DO jk = 2, jpkm1 |
---|
| 633 | DO jj = 2, jpjm1 |
---|
| 634 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[3211] | 635 | #endif |
---|
[1239] | 636 | zemxl = MIN( fsdepw(ji,jj,jk), zmxlm(ji,jj,jk), & |
---|
[2528] | 637 | & fsdepw(ji,jj,mbkt(ji,jj)+1) - fsdepw(ji,jj,jk) ) |
---|
[1239] | 638 | zmxlm(ji,jj,jk) = zemxl |
---|
| 639 | zmxld(ji,jj,jk) = zemxl |
---|
| 640 | END DO |
---|
| 641 | END DO |
---|
| 642 | END DO |
---|
| 643 | ! |
---|
| 644 | CASE ( 1 ) ! bounded by the vertical scale factor |
---|
[3211] | 645 | #if defined key_z_first |
---|
| 646 | DO jj = 2, jpjm1 |
---|
| 647 | DO ji = 2, jpim1 |
---|
| 648 | DO jk = 2, jpkm1 |
---|
| 649 | #else |
---|
[1239] | 650 | DO jk = 2, jpkm1 |
---|
| 651 | DO jj = 2, jpjm1 |
---|
| 652 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[3211] | 653 | #endif |
---|
[1239] | 654 | zemxl = MIN( fse3w(ji,jj,jk), zmxlm(ji,jj,jk) ) |
---|
| 655 | zmxlm(ji,jj,jk) = zemxl |
---|
| 656 | zmxld(ji,jj,jk) = zemxl |
---|
| 657 | END DO |
---|
| 658 | END DO |
---|
| 659 | END DO |
---|
| 660 | ! |
---|
| 661 | CASE ( 2 ) ! |dk[xml]| bounded by e3t : |
---|
[3211] | 662 | #if defined key_z_first |
---|
| 663 | DO jj = 2, jpjm1 |
---|
| 664 | DO ji = 2, jpim1 |
---|
| 665 | DO jk = 2, jpkm1 ! from the surface to the bottom : |
---|
| 666 | zmxlm(ji,jj,jk) = MIN( zmxlm(ji,jj,jk-1) + fse3t(ji,jj,jk-1), zmxlm(ji,jj,jk) ) |
---|
| 667 | END DO |
---|
| 668 | DO jk = jpkm1, 2, -1 ! from the bottom to the surface : |
---|
| 669 | zemxl = MIN( zmxlm(ji,jj,jk+1) + fse3t(ji,jj,jk+1), zmxlm(ji,jj,jk) ) |
---|
| 670 | zmxlm(ji,jj,jk) = zemxl |
---|
| 671 | zmxld(ji,jj,jk) = zemxl |
---|
| 672 | END DO |
---|
| 673 | END DO |
---|
| 674 | END DO |
---|
| 675 | #else |
---|
[1239] | 676 | DO jk = 2, jpkm1 ! from the surface to the bottom : |
---|
| 677 | DO jj = 2, jpjm1 |
---|
| 678 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 679 | zmxlm(ji,jj,jk) = MIN( zmxlm(ji,jj,jk-1) + fse3t(ji,jj,jk-1), zmxlm(ji,jj,jk) ) |
---|
| 680 | END DO |
---|
| 681 | END DO |
---|
| 682 | END DO |
---|
| 683 | DO jk = jpkm1, 2, -1 ! from the bottom to the surface : |
---|
| 684 | DO jj = 2, jpjm1 |
---|
| 685 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 686 | zemxl = MIN( zmxlm(ji,jj,jk+1) + fse3t(ji,jj,jk+1), zmxlm(ji,jj,jk) ) |
---|
| 687 | zmxlm(ji,jj,jk) = zemxl |
---|
| 688 | zmxld(ji,jj,jk) = zemxl |
---|
| 689 | END DO |
---|
| 690 | END DO |
---|
| 691 | END DO |
---|
[3211] | 692 | #endif |
---|
[1239] | 693 | ! |
---|
| 694 | CASE ( 3 ) ! lup and ldown, |dk[xml]| bounded by e3t : |
---|
[3211] | 695 | #if defined key_z_first |
---|
| 696 | DO jj = 2, jpjm1 |
---|
| 697 | DO ji = 2, jpim1 |
---|
| 698 | DO jk = 2, jpkm1 ! from the surface to the bottom : lup |
---|
| 699 | zmxld(ji,jj,jk) = MIN( zmxld(ji,jj,jk-1) + fse3t(ji,jj,jk-1), zmxlm(ji,jj,jk) ) |
---|
| 700 | END DO |
---|
| 701 | DO jk = jpkm1, 2, -1 ! from the bottom to the surface : ldown |
---|
| 702 | zmxlm(ji,jj,jk) = MIN( zmxlm(ji,jj,jk+1) + fse3t(ji,jj,jk+1), zmxlm(ji,jj,jk) ) |
---|
| 703 | END DO |
---|
| 704 | DO jk = 2, jpkm1 |
---|
| 705 | zemlm = MIN ( zmxld(ji,jj,jk), zmxlm(ji,jj,jk) ) |
---|
| 706 | zemlp = SQRT( zmxld(ji,jj,jk) * zmxlm(ji,jj,jk) ) |
---|
| 707 | zmxlm(ji,jj,jk) = zemlm |
---|
| 708 | zmxld(ji,jj,jk) = zemlp |
---|
| 709 | END DO |
---|
| 710 | END DO |
---|
| 711 | END DO |
---|
| 712 | #else |
---|
[1239] | 713 | DO jk = 2, jpkm1 ! from the surface to the bottom : lup |
---|
| 714 | DO jj = 2, jpjm1 |
---|
| 715 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 716 | zmxld(ji,jj,jk) = MIN( zmxld(ji,jj,jk-1) + fse3t(ji,jj,jk-1), zmxlm(ji,jj,jk) ) |
---|
| 717 | END DO |
---|
| 718 | END DO |
---|
| 719 | END DO |
---|
| 720 | DO jk = jpkm1, 2, -1 ! from the bottom to the surface : ldown |
---|
| 721 | DO jj = 2, jpjm1 |
---|
| 722 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 723 | zmxlm(ji,jj,jk) = MIN( zmxlm(ji,jj,jk+1) + fse3t(ji,jj,jk+1), zmxlm(ji,jj,jk) ) |
---|
| 724 | END DO |
---|
| 725 | END DO |
---|
| 726 | END DO |
---|
| 727 | !CDIR NOVERRCHK |
---|
| 728 | DO jk = 2, jpkm1 |
---|
| 729 | !CDIR NOVERRCHK |
---|
| 730 | DO jj = 2, jpjm1 |
---|
| 731 | !CDIR NOVERRCHK |
---|
| 732 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 733 | zemlm = MIN ( zmxld(ji,jj,jk), zmxlm(ji,jj,jk) ) |
---|
| 734 | zemlp = SQRT( zmxld(ji,jj,jk) * zmxlm(ji,jj,jk) ) |
---|
| 735 | zmxlm(ji,jj,jk) = zemlm |
---|
| 736 | zmxld(ji,jj,jk) = zemlp |
---|
| 737 | END DO |
---|
| 738 | END DO |
---|
| 739 | END DO |
---|
[3211] | 740 | #endif |
---|
[1239] | 741 | ! |
---|
| 742 | END SELECT |
---|
[1492] | 743 | ! |
---|
[1239] | 744 | # if defined key_c1d |
---|
[1492] | 745 | e_dis(:,:,:) = zmxld(:,:,:) ! c1d configuration : save mixing and dissipation turbulent length scales |
---|
[1239] | 746 | e_mix(:,:,:) = zmxlm(:,:,:) |
---|
| 747 | # endif |
---|
| 748 | |
---|
[1492] | 749 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
| 750 | ! ! Vertical eddy viscosity and diffusivity (avmu, avmv, avt) |
---|
| 751 | ! !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
[3211] | 752 | #if defined key_z_first |
---|
| 753 | DO jj = 2, jpjm1 |
---|
| 754 | DO ji = 2, jpim1 |
---|
| 755 | DO jk = 1, jpkm1 !* vertical eddy viscosity & diffivity at w-points |
---|
| 756 | #else |
---|
[1239] | 757 | !CDIR NOVERRCHK |
---|
[1492] | 758 | DO jk = 1, jpkm1 !* vertical eddy viscosity & diffivity at w-points |
---|
[1239] | 759 | !CDIR NOVERRCHK |
---|
| 760 | DO jj = 2, jpjm1 |
---|
| 761 | !CDIR NOVERRCHK |
---|
| 762 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[3211] | 763 | #endif |
---|
[1239] | 764 | zsqen = SQRT( en(ji,jj,jk) ) |
---|
| 765 | zav = rn_ediff * zmxlm(ji,jj,jk) * zsqen |
---|
[1492] | 766 | avm (ji,jj,jk) = MAX( zav, avmb(jk) ) * tmask(ji,jj,jk) |
---|
| 767 | avt (ji,jj,jk) = MAX( zav, avtb_2d(ji,jj) * avtb(jk) ) * tmask(ji,jj,jk) |
---|
[1239] | 768 | dissl(ji,jj,jk) = zsqen / zmxld(ji,jj,jk) |
---|
| 769 | END DO |
---|
| 770 | END DO |
---|
| 771 | END DO |
---|
[1492] | 772 | CALL lbc_lnk( avm, 'W', 1. ) ! Lateral boundary conditions (sign unchanged) |
---|
| 773 | ! |
---|
[3211] | 774 | #if defined key_z_first |
---|
| 775 | DO jj = 2, jpjm1 |
---|
| 776 | DO ji = 2, jpim1 |
---|
| 777 | DO jk = 2, jpkm1 !* vertical eddy viscosity at u- and v-points |
---|
| 778 | #else |
---|
[1492] | 779 | DO jk = 2, jpkm1 !* vertical eddy viscosity at u- and v-points |
---|
[1239] | 780 | DO jj = 2, jpjm1 |
---|
| 781 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[3211] | 782 | #endif |
---|
[1481] | 783 | avmu(ji,jj,jk) = 0.5 * ( avm(ji,jj,jk) + avm(ji+1,jj ,jk) ) * umask(ji,jj,jk) |
---|
| 784 | avmv(ji,jj,jk) = 0.5 * ( avm(ji,jj,jk) + avm(ji ,jj+1,jk) ) * vmask(ji,jj,jk) |
---|
[1239] | 785 | END DO |
---|
| 786 | END DO |
---|
| 787 | END DO |
---|
| 788 | CALL lbc_lnk( avmu, 'U', 1. ) ; CALL lbc_lnk( avmv, 'V', 1. ) ! Lateral boundary conditions |
---|
[1492] | 789 | ! |
---|
| 790 | IF( nn_pdl == 1 ) THEN !* Prandtl number case: update avt |
---|
[3211] | 791 | #if defined key_z_first |
---|
| 792 | DO jj = 2, jpjm1 |
---|
| 793 | DO ji = 2, jpim1 |
---|
| 794 | DO jk = 2, jpkm1 |
---|
| 795 | #else |
---|
[1239] | 796 | DO jk = 2, jpkm1 |
---|
| 797 | DO jj = 2, jpjm1 |
---|
| 798 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
[3211] | 799 | #endif |
---|
[2528] | 800 | zcoef = avm(ji,jj,jk) * 2._wp * fse3w(ji,jj,jk) * fse3w(ji,jj,jk) |
---|
[1492] | 801 | ! ! shear |
---|
| 802 | zdku = avmu(ji-1,jj,jk) * ( un(ji-1,jj,jk-1) - un(ji-1,jj,jk) ) * ( ub(ji-1,jj,jk-1) - ub(ji-1,jj,jk) ) & |
---|
| 803 | & + avmu(ji ,jj,jk) * ( un(ji ,jj,jk-1) - un(ji ,jj,jk) ) * ( ub(ji ,jj,jk-1) - ub(ji ,jj,jk) ) |
---|
| 804 | zdkv = avmv(ji,jj-1,jk) * ( vn(ji,jj-1,jk-1) - vn(ji,jj-1,jk) ) * ( vb(ji,jj-1,jk-1) - vb(ji,jj-1,jk) ) & |
---|
| 805 | & + avmv(ji,jj ,jk) * ( vn(ji,jj ,jk-1) - vn(ji,jj ,jk) ) * ( vb(ji,jj ,jk-1) - vb(ji,jj ,jk) ) |
---|
| 806 | ! ! local Richardson number |
---|
[2528] | 807 | zri = MAX( rn2b(ji,jj,jk), 0._wp ) * zcoef / (zdku + zdkv + rn_bshear ) |
---|
| 808 | zpdlr = MAX( 0.1_wp, 0.2 / MAX( 0.2 , zri ) ) |
---|
[1492] | 809 | !!gm and even better with the use of the "true" ri_crit=0.22222... (this change the results!) |
---|
[2528] | 810 | !!gm zpdlr = MAX( 0.1_wp, ri_crit / MAX( ri_crit , zri ) ) |
---|
[1492] | 811 | avt(ji,jj,jk) = MAX( zpdlr * avt(ji,jj,jk), avtb_2d(ji,jj) * avtb(jk) ) * tmask(ji,jj,jk) |
---|
| 812 | # if defined key_c1d |
---|
| 813 | e_pdl(ji,jj,jk) = zpdlr * tmask(ji,jj,jk) ! c1d configuration : save masked Prandlt number |
---|
[1239] | 814 | e_ric(ji,jj,jk) = zri * tmask(ji,jj,jk) ! c1d config. : save Ri |
---|
| 815 | # endif |
---|
| 816 | END DO |
---|
| 817 | END DO |
---|
| 818 | END DO |
---|
| 819 | ENDIF |
---|
| 820 | CALL lbc_lnk( avt, 'W', 1. ) ! Lateral boundary conditions on avt (sign unchanged) |
---|
| 821 | |
---|
| 822 | IF(ln_ctl) THEN |
---|
| 823 | CALL prt_ctl( tab3d_1=en , clinfo1=' tke - e: ', tab3d_2=avt, clinfo2=' t: ', ovlap=1, kdim=jpk) |
---|
| 824 | CALL prt_ctl( tab3d_1=avmu, clinfo1=' tke - u: ', mask1=umask, & |
---|
| 825 | & tab3d_2=avmv, clinfo2= ' v: ', mask2=vmask, ovlap=1, kdim=jpk ) |
---|
| 826 | ENDIF |
---|
| 827 | ! |
---|
[1492] | 828 | END SUBROUTINE tke_avn |
---|
[1239] | 829 | |
---|
[3211] | 830 | !! * Reset control of array index permutation |
---|
| 831 | # include "zdftke_ftrans.h90" |
---|
| 832 | # include "oce_ftrans.h90" |
---|
| 833 | # include "dom_oce_ftrans.h90" |
---|
| 834 | # include "domvvl_ftrans.h90" |
---|
| 835 | # include "sbc_oce_ftrans.h90" |
---|
| 836 | # include "zdf_oce_ftrans.h90" |
---|
| 837 | !FTRANS dissl e_dis e_mix e_pdl e_ric :I :I :z |
---|
[1492] | 838 | |
---|
[2528] | 839 | SUBROUTINE zdf_tke_init |
---|
[1239] | 840 | !!---------------------------------------------------------------------- |
---|
[2528] | 841 | !! *** ROUTINE zdf_tke_init *** |
---|
[1239] | 842 | !! |
---|
| 843 | !! ** Purpose : Initialization of the vertical eddy diffivity and |
---|
[1492] | 844 | !! viscosity when using a tke turbulent closure scheme |
---|
[1239] | 845 | !! |
---|
[1601] | 846 | !! ** Method : Read the namzdf_tke namelist and check the parameters |
---|
[1492] | 847 | !! called at the first timestep (nit000) |
---|
[1239] | 848 | !! |
---|
[1601] | 849 | !! ** input : Namlist namzdf_tke |
---|
[1239] | 850 | !! |
---|
| 851 | !! ** Action : Increase by 1 the nstop flag is setting problem encounter |
---|
| 852 | !!---------------------------------------------------------------------- |
---|
| 853 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 854 | !! |
---|
[2528] | 855 | NAMELIST/namzdf_tke/ rn_ediff, rn_ediss , rn_ebb , rn_emin , & |
---|
| 856 | & rn_emin0, rn_bshear, nn_mxl , ln_mxl0 , & |
---|
| 857 | & rn_mxl0 , nn_pdl , ln_lc , rn_lc , & |
---|
| 858 | & nn_etau , nn_htau , rn_efr |
---|
[1239] | 859 | !!---------------------------------------------------------------------- |
---|
[2715] | 860 | ! |
---|
[1601] | 861 | REWIND ( numnam ) !* Read Namelist namzdf_tke : Turbulente Kinetic Energy |
---|
| 862 | READ ( numnam, namzdf_tke ) |
---|
[2715] | 863 | ! |
---|
[2528] | 864 | ri_cri = 2._wp / ( 2._wp + rn_ediss / rn_ediff ) ! resulting critical Richardson number |
---|
| 865 | rmxl_min = 1.e-6_wp / ( rn_ediff * SQRT( rn_emin ) ) ! resulting minimum length to recover molecular viscosity |
---|
[2715] | 866 | ! |
---|
[1492] | 867 | IF(lwp) THEN !* Control print |
---|
[1239] | 868 | WRITE(numout,*) |
---|
[2528] | 869 | WRITE(numout,*) 'zdf_tke_init : tke turbulent closure scheme - initialisation' |
---|
| 870 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
[1601] | 871 | WRITE(numout,*) ' Namelist namzdf_tke : set tke mixing parameters' |
---|
[1705] | 872 | WRITE(numout,*) ' coef. to compute avt rn_ediff = ', rn_ediff |
---|
| 873 | WRITE(numout,*) ' Kolmogoroff dissipation coef. rn_ediss = ', rn_ediss |
---|
| 874 | WRITE(numout,*) ' tke surface input coef. rn_ebb = ', rn_ebb |
---|
| 875 | WRITE(numout,*) ' minimum value of tke rn_emin = ', rn_emin |
---|
| 876 | WRITE(numout,*) ' surface minimum value of tke rn_emin0 = ', rn_emin0 |
---|
| 877 | WRITE(numout,*) ' background shear (>0) rn_bshear = ', rn_bshear |
---|
| 878 | WRITE(numout,*) ' mixing length type nn_mxl = ', nn_mxl |
---|
| 879 | WRITE(numout,*) ' prandl number flag nn_pdl = ', nn_pdl |
---|
| 880 | WRITE(numout,*) ' surface mixing length = F(stress) or not ln_mxl0 = ', ln_mxl0 |
---|
[2528] | 881 | WRITE(numout,*) ' surface mixing length minimum value rn_mxl0 = ', rn_mxl0 |
---|
| 882 | WRITE(numout,*) ' flag to take into acc. Langmuir circ. ln_lc = ', ln_lc |
---|
| 883 | WRITE(numout,*) ' coef to compute verticla velocity of LC rn_lc = ', rn_lc |
---|
[1705] | 884 | WRITE(numout,*) ' test param. to add tke induced by wind nn_etau = ', nn_etau |
---|
| 885 | WRITE(numout,*) ' flag for computation of exp. tke profile nn_htau = ', nn_htau |
---|
| 886 | WRITE(numout,*) ' fraction of en which pene. the thermocline rn_efr = ', rn_efr |
---|
[1239] | 887 | WRITE(numout,*) |
---|
[1601] | 888 | WRITE(numout,*) ' critical Richardson nb with your parameters ri_cri = ', ri_cri |
---|
[1239] | 889 | ENDIF |
---|
[2715] | 890 | ! |
---|
| 891 | ! ! allocate tke arrays |
---|
| 892 | IF( zdf_tke_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'zdf_tke_init : unable to allocate arrays' ) |
---|
| 893 | ! |
---|
[1492] | 894 | ! !* Check of some namelist values |
---|
[2528] | 895 | IF( nn_mxl < 0 .OR. nn_mxl > 3 ) CALL ctl_stop( 'bad flag: nn_mxl is 0, 1 or 2 ' ) |
---|
| 896 | IF( nn_pdl < 0 .OR. nn_pdl > 1 ) CALL ctl_stop( 'bad flag: nn_pdl is 0 or 1 ' ) |
---|
| 897 | IF( nn_htau < 0 .OR. nn_htau > 1 ) CALL ctl_stop( 'bad flag: nn_htau is 0, 1 or 2 ' ) |
---|
| 898 | #if ! key_coupled |
---|
| 899 | IF( nn_etau == 3 ) CALL ctl_stop( 'nn_etau == 3 : HF taum only known in coupled mode' ) |
---|
| 900 | #endif |
---|
[1239] | 901 | |
---|
[2528] | 902 | IF( ln_mxl0 ) THEN |
---|
| 903 | IF(lwp) WRITE(numout,*) ' use a surface mixing length = F(stress) : set rn_mxl0 = rmxl_min' |
---|
| 904 | rn_mxl0 = rmxl_min |
---|
| 905 | ENDIF |
---|
| 906 | |
---|
[1492] | 907 | IF( nn_etau == 2 ) CALL zdf_mxl( nit000 ) ! Initialization of nmln |
---|
[1239] | 908 | |
---|
[1492] | 909 | ! !* depth of penetration of surface tke |
---|
| 910 | IF( nn_etau /= 0 ) THEN |
---|
[1601] | 911 | SELECT CASE( nn_htau ) ! Choice of the depth of penetration |
---|
[2528] | 912 | CASE( 0 ) ! constant depth penetration (here 10 meters) |
---|
| 913 | htau(:,:) = 10._wp |
---|
| 914 | CASE( 1 ) ! F(latitude) : 0.5m to 30m poleward of 40 degrees |
---|
| 915 | htau(:,:) = MAX( 0.5_wp, MIN( 30._wp, 45._wp* ABS( SIN( rpi/180._wp * gphit(:,:) ) ) ) ) |
---|
[1492] | 916 | END SELECT |
---|
| 917 | ENDIF |
---|
| 918 | ! !* set vertical eddy coef. to the background value |
---|
[3211] | 919 | #if defined key_z_first |
---|
| 920 | DO jj = 1, jpj |
---|
| 921 | DO ji = 1, jpi |
---|
| 922 | avt (ji,jj,:) = avtb(:) * tmask(ji,jj,:) |
---|
| 923 | avm (ji,jj,:) = avmb(:) * tmask(ji,jj,:) |
---|
| 924 | avmu(ji,jj,:) = avmb(:) * umask(ji,jj,:) |
---|
| 925 | avmv(ji,jj,:) = avmb(:) * vmask(ji,jj,:) |
---|
| 926 | END DO |
---|
| 927 | END DO |
---|
| 928 | #else |
---|
[1239] | 929 | DO jk = 1, jpk |
---|
| 930 | avt (:,:,jk) = avtb(jk) * tmask(:,:,jk) |
---|
[1481] | 931 | avm (:,:,jk) = avmb(jk) * tmask(:,:,jk) |
---|
[1239] | 932 | avmu(:,:,jk) = avmb(jk) * umask(:,:,jk) |
---|
| 933 | avmv(:,:,jk) = avmb(jk) * vmask(:,:,jk) |
---|
| 934 | END DO |
---|
[3211] | 935 | #endif |
---|
[2528] | 936 | dissl(:,:,:) = 1.e-12_wp |
---|
[2715] | 937 | ! |
---|
| 938 | CALL tke_rst( nit000, 'READ' ) !* read or initialize all required files |
---|
[1239] | 939 | ! |
---|
[2528] | 940 | END SUBROUTINE zdf_tke_init |
---|
[1239] | 941 | |
---|
| 942 | |
---|
[1531] | 943 | SUBROUTINE tke_rst( kt, cdrw ) |
---|
[1239] | 944 | !!--------------------------------------------------------------------- |
---|
[1531] | 945 | !! *** ROUTINE tke_rst *** |
---|
[1239] | 946 | !! |
---|
| 947 | !! ** Purpose : Read or write TKE file (en) in restart file |
---|
| 948 | !! |
---|
| 949 | !! ** Method : use of IOM library |
---|
| 950 | !! if the restart does not contain TKE, en is either |
---|
[1537] | 951 | !! set to rn_emin or recomputed |
---|
[1239] | 952 | !!---------------------------------------------------------------------- |
---|
[2715] | 953 | INTEGER , INTENT(in) :: kt ! ocean time-step |
---|
| 954 | CHARACTER(len=*), INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
---|
[1239] | 955 | ! |
---|
[3211] | 956 | INTEGER :: jit, ji, jj, jk ! dummy loop indices |
---|
[2715] | 957 | INTEGER :: id1, id2, id3, id4, id5, id6 ! local integers |
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[1239] | 958 | !!---------------------------------------------------------------------- |
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| 959 | ! |
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[1481] | 960 | IF( TRIM(cdrw) == 'READ' ) THEN ! Read/initialise |
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| 961 | ! ! --------------- |
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| 962 | IF( ln_rstart ) THEN !* Read the restart file |
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| 963 | id1 = iom_varid( numror, 'en' , ldstop = .FALSE. ) |
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| 964 | id2 = iom_varid( numror, 'avt' , ldstop = .FALSE. ) |
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| 965 | id3 = iom_varid( numror, 'avm' , ldstop = .FALSE. ) |
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| 966 | id4 = iom_varid( numror, 'avmu' , ldstop = .FALSE. ) |
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| 967 | id5 = iom_varid( numror, 'avmv' , ldstop = .FALSE. ) |
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| 968 | id6 = iom_varid( numror, 'dissl', ldstop = .FALSE. ) |
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| 969 | ! |
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| 970 | IF( id1 > 0 ) THEN ! 'en' exists |
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[1239] | 971 | CALL iom_get( numror, jpdom_autoglo, 'en', en ) |
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[1481] | 972 | IF( MIN( id2, id3, id4, id5, id6 ) > 0 ) THEN ! all required arrays exist |
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| 973 | CALL iom_get( numror, jpdom_autoglo, 'avt' , avt ) |
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| 974 | CALL iom_get( numror, jpdom_autoglo, 'avm' , avm ) |
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| 975 | CALL iom_get( numror, jpdom_autoglo, 'avmu' , avmu ) |
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| 976 | CALL iom_get( numror, jpdom_autoglo, 'avmv' , avmv ) |
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| 977 | CALL iom_get( numror, jpdom_autoglo, 'dissl', dissl ) |
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[1492] | 978 | ELSE ! one at least array is missing |
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| 979 | CALL tke_avn ! compute avt, avm, avmu, avmv and dissl (approximation) |
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[1481] | 980 | ENDIF |
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| 981 | ELSE ! No TKE array found: initialisation |
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| 982 | IF(lwp) WRITE(numout,*) ' ===>>>> : previous run without tke scheme, en computed by iterative loop' |
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[1239] | 983 | en (:,:,:) = rn_emin * tmask(:,:,:) |
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[1492] | 984 | CALL tke_avn ! recompute avt, avm, avmu, avmv and dissl (approximation) |
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[1531] | 985 | DO jit = nit000 + 1, nit000 + 10 ; CALL zdf_tke( jit ) ; END DO |
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[1239] | 986 | ENDIF |
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[1481] | 987 | ELSE !* Start from rest |
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| 988 | en(:,:,:) = rn_emin * tmask(:,:,:) |
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[3211] | 989 | #if defined key_z_first |
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| 990 | DO jj = 1, jpj ! set the Kz to the background value |
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| 991 | DO ji = 1, jpi |
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| 992 | avt (ji,jj,:) = avtb(:) * tmask(ji,jj,:) |
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| 993 | avm (ji,jj,:) = avmb(:) * tmask(ji,jj,:) |
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| 994 | avmu(ji,jj,:) = avmb(:) * umask(ji,jj,:) |
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| 995 | avmv(ji,jj,:) = avmb(:) * vmask(ji,jj,:) |
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| 996 | END DO |
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| 997 | END DO |
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| 998 | #else |
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[1481] | 999 | DO jk = 1, jpk ! set the Kz to the background value |
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| 1000 | avt (:,:,jk) = avtb(jk) * tmask(:,:,jk) |
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| 1001 | avm (:,:,jk) = avmb(jk) * tmask(:,:,jk) |
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| 1002 | avmu(:,:,jk) = avmb(jk) * umask(:,:,jk) |
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| 1003 | avmv(:,:,jk) = avmb(jk) * vmask(:,:,jk) |
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| 1004 | END DO |
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[3211] | 1005 | #endif |
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| 1006 | |
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[1239] | 1007 | ENDIF |
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[1481] | 1008 | ! |
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| 1009 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN ! Create restart file |
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| 1010 | ! ! ------------------- |
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[1531] | 1011 | IF(lwp) WRITE(numout,*) '---- tke-rst ----' |
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[1601] | 1012 | CALL iom_rstput( kt, nitrst, numrow, 'en' , en ) |
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| 1013 | CALL iom_rstput( kt, nitrst, numrow, 'avt' , avt ) |
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| 1014 | CALL iom_rstput( kt, nitrst, numrow, 'avm' , avm ) |
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| 1015 | CALL iom_rstput( kt, nitrst, numrow, 'avmu' , avmu ) |
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| 1016 | CALL iom_rstput( kt, nitrst, numrow, 'avmv' , avmv ) |
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| 1017 | CALL iom_rstput( kt, nitrst, numrow, 'dissl', dissl ) |
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[1481] | 1018 | ! |
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[1239] | 1019 | ENDIF |
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| 1020 | ! |
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[1531] | 1021 | END SUBROUTINE tke_rst |
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[1239] | 1022 | |
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| 1023 | #else |
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| 1024 | !!---------------------------------------------------------------------- |
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| 1025 | !! Dummy module : NO TKE scheme |
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| 1026 | !!---------------------------------------------------------------------- |
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[1531] | 1027 | LOGICAL, PUBLIC, PARAMETER :: lk_zdftke = .FALSE. !: TKE flag |
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[1239] | 1028 | CONTAINS |
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[2528] | 1029 | SUBROUTINE zdf_tke_init ! Dummy routine |
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| 1030 | END SUBROUTINE zdf_tke_init |
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| 1031 | SUBROUTINE zdf_tke( kt ) ! Dummy routine |
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[1531] | 1032 | WRITE(*,*) 'zdf_tke: You should not have seen this print! error?', kt |
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| 1033 | END SUBROUTINE zdf_tke |
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| 1034 | SUBROUTINE tke_rst( kt, cdrw ) |
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[1492] | 1035 | CHARACTER(len=*) :: cdrw |
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[1531] | 1036 | WRITE(*,*) 'tke_rst: You should not have seen this print! error?', kt, cdwr |
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| 1037 | END SUBROUTINE tke_rst |
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[1239] | 1038 | #endif |
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| 1039 | |
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| 1040 | !!====================================================================== |
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[1531] | 1041 | END MODULE zdftke |
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