[3] | 1 | MODULE zdftke |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE zdftke *** |
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| 4 | !! Ocean physics: vertical mixing coefficient compute from the tke |
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| 5 | !! turbulent closure parameterization |
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| 6 | !!===================================================================== |
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[508] | 7 | !! History : 6.0 ! 91-03 (b. blanke) Original code |
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| 8 | !! 7.0 ! 91-11 (G. Madec) bug fix |
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| 9 | !! 7.1 ! 92-10 (G. Madec) new mixing length and eav |
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| 10 | !! 7.2 ! 93-03 (M. Guyon) symetrical conditions |
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| 11 | !! 7.3 ! 94-08 (G. Madec, M. Imbard) npdl flag |
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| 12 | !! 7.5 ! 96-01 (G. Madec) s-coordinates |
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| 13 | !! 8.0 ! 97-07 (G. Madec) lbc |
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| 14 | !! 8.1 ! 99-01 (E. Stretta) new option for the mixing length |
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| 15 | !! 8.5 ! 02-06 (G. Madec) add zdf_tke_init routine |
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| 16 | !! 8.5 ! 02-08 (G. Madec) ri_c and Free form, F90 |
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| 17 | !! 9.0 ! 04-10 (C. Ethe ) 1D configuration |
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| 18 | !! 9.0 ! 02-08 (G. Madec) autotasking optimization |
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| 19 | !! 9.0 ! 06-07 (S. Masson) distributed restart using iom |
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| 20 | !!---------------------------------------------------------------------- |
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[3] | 21 | #if defined key_zdftke || defined key_esopa |
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| 22 | !!---------------------------------------------------------------------- |
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[508] | 23 | !! 'key_zdftke' TKE vertical physics |
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[3] | 24 | !!---------------------------------------------------------------------- |
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[508] | 25 | !!---------------------------------------------------------------------- |
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[3] | 26 | !! zdf_tke : update momentum and tracer Kz from a tke scheme |
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| 27 | !! zdf_tke_init : initialization, namelist read, and parameters control |
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[508] | 28 | !! tke_rst : read/write tke restart in ocean restart file |
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[3] | 29 | !!---------------------------------------------------------------------- |
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| 30 | USE oce ! ocean dynamics and active tracers |
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| 31 | USE dom_oce ! ocean space and time domain |
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| 32 | USE zdf_oce ! ocean vertical physics |
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[888] | 33 | USE sbc_oce ! surface boundary condition: ocean |
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[3] | 34 | USE phycst ! physical constants |
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[508] | 35 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[258] | 36 | USE prtctl ! Print control |
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[508] | 37 | USE in_out_manager ! I/O manager |
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| 38 | USE iom |
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| 39 | USE restart ! only for lrst_oce |
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[3] | 40 | |
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| 41 | IMPLICIT NONE |
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| 42 | PRIVATE |
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| 43 | |
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[508] | 44 | PUBLIC zdf_tke ! routine called in step module |
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[3] | 45 | |
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[508] | 46 | LOGICAL , PUBLIC, PARAMETER :: lk_zdftke = .TRUE. !: TKE vertical mixing flag |
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| 47 | REAL(wp), PUBLIC :: eboost !: multiplicative coeff of the shear product. |
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| 48 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: en !: now turbulent kinetic energy |
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[3] | 49 | # if defined key_vectopt_memory |
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[508] | 50 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: etmean !: coefficient used for horizontal smoothing |
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| 51 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: eumean, evmean !: at t-, u- and v-points |
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[3] | 52 | # endif |
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| 53 | |
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[508] | 54 | !! * Namelist (namtke) |
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| 55 | LOGICAL , PUBLIC :: ln_rstke = .FALSE. !: =T restart with tke from a run without tke with |
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| 56 | ! ! a none zero initial value for en |
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| 57 | INTEGER , PUBLIC :: nitke = 50 , & !: number of restart iterative loops |
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| 58 | & nmxl = 2 , & !: = 0/1/2/3 flag for the type of mixing length used |
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| 59 | & npdl = 1 , & !: = 0/1/2 flag on prandtl number on vert. eddy coeff. |
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| 60 | & nave = 1 , & !: = 0/1 flag for horizontal average on avt, avmu, avmv |
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| 61 | & navb = 0 !: = 0/1 flag for constant or profile background avt |
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| 62 | REAL(wp), PUBLIC :: ediff = 0.1_wp , & !: coeff. for vertical eddy coef.; avt=ediff*mxl*sqrt(e) |
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| 63 | & ediss = 0.7_wp , & !: coef. of the Kolmogoroff dissipation |
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| 64 | & ebb = 3.75_wp , & !: coef. of the surface input of tke |
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| 65 | & efave = 1._wp , & !: coef. for the tke vert. diff. coeff.; avtke=efave*avm |
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| 66 | & emin = 0.7071e-6_wp , & !: minimum value of tke (m2/s2) |
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| 67 | & emin0 = 1.e-4_wp , & !: surface minimum value of tke (m2/s2) |
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| 68 | & ri_c = 2._wp / 9._wp !: critic Richardson number |
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| 69 | |
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[253] | 70 | # if defined key_cfg_1d |
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[508] | 71 | ! ! 1D cfg only |
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| 72 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: e_dis, e_mix, & ! dissipation and mixing turbulent lengh scales |
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| 73 | & e_pdl, e_ric ! prandl and local Richardson numbers |
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[253] | 74 | #endif |
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| 75 | |
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[3] | 76 | !! * Substitutions |
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| 77 | # include "domzgr_substitute.h90" |
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| 78 | # include "vectopt_loop_substitute.h90" |
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| 79 | !!---------------------------------------------------------------------- |
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[508] | 80 | !! OPA 9.0 , LOCEAN-IPSL (2006) |
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[888] | 81 | !! $Id$ |
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[508] | 82 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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[3] | 83 | !!---------------------------------------------------------------------- |
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| 84 | |
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| 85 | CONTAINS |
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| 86 | |
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[508] | 87 | SUBROUTINE zdf_tke( kt ) |
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[3] | 88 | !!---------------------------------------------------------------------- |
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| 89 | !! *** ROUTINE zdf_tke *** |
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| 90 | !! |
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| 91 | !! ** Purpose : Compute the vertical eddy viscosity and diffusivity |
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| 92 | !! coefficients using a 1.5 turbulent closure scheme. |
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| 93 | !! |
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| 94 | !! ** Method : The time evolution of the turbulent kinetic energy |
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| 95 | !! (tke) is computed from a prognostic equation : |
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| 96 | !! d(en)/dt = eboost eav (d(u)/dz)**2 ! shear production |
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| 97 | !! + d( efave eav d(en)/dz )/dz ! diffusion of tke |
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[16] | 98 | !! + grav/rau0 pdl eav d(rau)/dz ! stratif. destruc. |
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[3] | 99 | !! - ediss / emxl en**(2/3) ! dissipation |
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| 100 | !! with the boundary conditions: |
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[888] | 101 | !! surface: en = max( emin0,ebb sqrt(utau^2 + vtau^2) ) |
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[3] | 102 | !! bottom : en = emin |
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| 103 | !! -1- The dissipation and mixing turbulent lengh scales are computed |
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| 104 | !! from the usual diagnostic buoyancy length scale: |
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| 105 | !! mxl= 1/(sqrt(en)/N) WHERE N is the brunt-vaisala frequency |
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| 106 | !! Four cases : |
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| 107 | !! nmxl=0 : mxl bounded by the distance to surface and bottom. |
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| 108 | !! zmxld = zmxlm = mxl |
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| 109 | !! nmxl=1 : mxl bounded by the vertical scale factor. |
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| 110 | !! zmxld = zmxlm = mxl |
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| 111 | !! nmxl=2 : mxl bounded such that the vertical derivative of mxl |
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| 112 | !! is less than 1 (|d/dz(xml)|<1). |
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| 113 | !! zmxld = zmxlm = mxl |
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| 114 | !! nmxl=3 : lup = mxl bounded using |d/dz(xml)|<1 from the surface |
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| 115 | !! to the bottom |
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| 116 | !! ldown = mxl bounded using |d/dz(xml)|<1 from the bottom |
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| 117 | !! to the surface |
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| 118 | !! zmxld = sqrt (lup*ldown) ; zmxlm = min(lup,ldown) |
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| 119 | !! -2- Compute the now Turbulent kinetic energy. The time differencing |
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| 120 | !! is implicit for vertical diffusion term, linearized for kolmo- |
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| 121 | !! goroff dissipation term, and explicit forward for both buoyancy |
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| 122 | !! and dynamic production terms. Thus a tridiagonal linear system is |
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| 123 | !! solved. |
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| 124 | !! Note that - the shear production is multiplied by eboost in order |
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| 125 | !! to set the critic richardson number to ri_c (namelist parameter) |
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| 126 | !! - the destruction by stratification term is multiplied |
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| 127 | !! by the Prandtl number (defined by an empirical funtion of the local |
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| 128 | !! Richardson number) if npdl=1 (namelist parameter) |
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| 129 | !! coefficient (zesh2): |
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| 130 | !! -3- Compute the now vertical eddy vicosity and diffusivity |
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| 131 | !! coefficients from en (before the time stepping) and zmxlm: |
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| 132 | !! avm = max( avtb, ediff*zmxlm*en^1/2 ) |
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| 133 | !! avt = max( avmb, pdl*avm ) (pdl=1 if npdl=0) |
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| 134 | !! eav = max( avmb, avm ) |
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| 135 | !! avt and avm are horizontally averaged to avoid numerical insta- |
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| 136 | !! bilities. |
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| 137 | !! N.B. The computation is done from jk=2 to jpkm1 except for |
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| 138 | !! en. Surface value of avt avmu avmv are set once a time to |
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| 139 | !! their background value in routine zdf_tke_init. |
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| 140 | !! |
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| 141 | !! ** Action : compute en (now turbulent kinetic energy) |
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| 142 | !! update avt, avmu, avmv (before vertical eddy coef.) |
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| 143 | !! |
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[508] | 144 | !! References : Gaspar et al., jgr, 95, 1990, |
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| 145 | !! Blanke and Delecluse, jpo, 1991 |
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[3] | 146 | !!---------------------------------------------------------------------- |
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| 147 | USE oce , zwd => ua, & ! use ua as workspace |
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| 148 | & zmxlm => ta, & ! use ta as workspace |
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| 149 | & zmxld => sa ! use sa as workspace |
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[508] | 150 | ! |
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| 151 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 152 | ! |
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| 153 | INTEGER :: ji, jj, jk ! dummy loop arguments |
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| 154 | REAL(wp) :: zmlmin, zbbrau, & ! temporary scalars |
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| 155 | & zfact1, zfact2, zfact3, & ! |
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| 156 | & zrn2, zesurf, & ! |
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| 157 | & ztx2, zty2, zav, & ! |
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| 158 | & zcoef, zcof, zsh2, & ! |
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| 159 | & zdku, zdkv, zpdl, zri, & ! |
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| 160 | & zsqen, zesh2, & ! |
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| 161 | & zemxl, zemlm, zemlp |
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[3] | 162 | !!-------------------------------------------------------------------- |
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| 163 | |
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[508] | 164 | IF( kt == nit000 ) CALL zdf_tke_init ! Initialization (first time-step only) |
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[3] | 165 | |
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[508] | 166 | ! ! Local constant initialization |
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[3] | 167 | zmlmin = 1.e-8 |
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| 168 | zbbrau = .5 * ebb / rau0 |
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| 169 | zfact1 = -.5 * rdt * efave |
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| 170 | zfact2 = 1.5 * rdt * ediss |
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| 171 | zfact3 = 0.5 * rdt * ediss |
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| 172 | |
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| 173 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 174 | ! I. Mixing length |
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| 175 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 176 | |
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| 177 | ! Buoyancy length scale: l=sqrt(2*e/n**2) |
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| 178 | ! --------------------- |
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| 179 | zmxlm(:,:, 1 ) = zmlmin ! surface set to the minimum value |
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| 180 | zmxlm(:,:,jpk) = zmlmin ! bottom set to the minimum value |
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| 181 | !CDIR NOVERRCHK |
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| 182 | DO jk = 2, jpkm1 |
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| 183 | !CDIR NOVERRCHK |
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| 184 | DO jj = 2, jpjm1 |
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| 185 | !CDIR NOVERRCHK |
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| 186 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 187 | zrn2 = MAX( rn2(ji,jj,jk), rsmall ) |
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| 188 | zmxlm(ji,jj,jk) = MAX( SQRT( 2. * en(ji,jj,jk) / zrn2 ), zmlmin ) |
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| 189 | END DO |
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| 190 | END DO |
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| 191 | END DO |
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| 192 | |
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| 193 | ! Physical limits for the mixing length |
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| 194 | ! ------------------------------------- |
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| 195 | zmxld(:,:, 1 ) = zmlmin ! surface set to the minimum value |
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| 196 | zmxld(:,:,jpk) = zmlmin ! bottom set to the minimum value |
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| 197 | |
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| 198 | SELECT CASE ( nmxl ) |
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| 199 | |
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| 200 | CASE ( 0 ) ! bounded by the distance to surface and bottom |
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| 201 | DO jk = 2, jpkm1 |
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| 202 | DO jj = 2, jpjm1 |
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| 203 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 204 | zemxl = MIN( fsdepw(ji,jj,jk), zmxlm(ji,jj,jk), & |
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| 205 | & fsdepw(ji,jj,mbathy(ji,jj)) - fsdepw(ji,jj,jk) ) |
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| 206 | zmxlm(ji,jj,jk) = zemxl |
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| 207 | zmxld(ji,jj,jk) = zemxl |
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| 208 | END DO |
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| 209 | END DO |
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| 210 | END DO |
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| 211 | |
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| 212 | CASE ( 1 ) ! bounded by the vertical scale factor |
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| 213 | DO jk = 2, jpkm1 |
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| 214 | DO jj = 2, jpjm1 |
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| 215 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 216 | zemxl = MIN( fse3w(ji,jj,jk), zmxlm(ji,jj,jk) ) |
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| 217 | zmxlm(ji,jj,jk) = zemxl |
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| 218 | zmxld(ji,jj,jk) = zemxl |
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| 219 | END DO |
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| 220 | END DO |
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| 221 | END DO |
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| 222 | |
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| 223 | CASE ( 2 ) ! |dk[xml]| bounded by e3t : |
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| 224 | DO jk = 2, jpkm1 ! from the surface to the bottom : |
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| 225 | DO jj = 2, jpjm1 |
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| 226 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 227 | zmxlm(ji,jj,jk) = MIN( zmxlm(ji,jj,jk-1) + fse3t(ji,jj,jk-1), zmxlm(ji,jj,jk) ) |
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| 228 | END DO |
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| 229 | END DO |
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| 230 | END DO |
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| 231 | DO jk = jpkm1, 2, -1 ! from the bottom to the surface : |
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| 232 | DO jj = 2, jpjm1 |
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| 233 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 234 | zemxl = MIN( zmxlm(ji,jj,jk+1) + fse3t(ji,jj,jk+1), zmxlm(ji,jj,jk) ) |
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| 235 | zmxlm(ji,jj,jk) = zemxl |
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| 236 | zmxld(ji,jj,jk) = zemxl |
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| 237 | END DO |
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| 238 | END DO |
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| 239 | END DO |
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| 240 | |
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| 241 | CASE ( 3 ) ! lup and ldown, |dk[xml]| bounded by e3t : |
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| 242 | DO jk = 2, jpkm1 ! from the surface to the bottom : lup |
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| 243 | DO jj = 2, jpjm1 |
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| 244 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 245 | zmxld(ji,jj,jk) = MIN( zmxld(ji,jj,jk-1) + fse3t(ji,jj,jk-1), zmxlm(ji,jj,jk) ) |
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| 246 | END DO |
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| 247 | END DO |
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| 248 | END DO |
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| 249 | DO jk = jpkm1, 2, -1 ! from the bottom to the surface : ldown |
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| 250 | DO jj = 2, jpjm1 |
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| 251 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 252 | zmxlm(ji,jj,jk) = MIN( zmxlm(ji,jj,jk+1) + fse3t(ji,jj,jk+1), zmxlm(ji,jj,jk) ) |
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| 253 | END DO |
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| 254 | END DO |
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| 255 | END DO |
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| 256 | !CDIR NOVERRCHK |
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| 257 | DO jk = 2, jpkm1 |
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| 258 | !CDIR NOVERRCHK |
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| 259 | DO jj = 2, jpjm1 |
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| 260 | !CDIR NOVERRCHK |
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| 261 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 262 | zemlm = MIN ( zmxld(ji,jj,jk), zmxlm(ji,jj,jk) ) |
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| 263 | zemlp = SQRT( zmxld(ji,jj,jk) * zmxlm(ji,jj,jk) ) |
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| 264 | zmxlm(ji,jj,jk) = zemlm |
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| 265 | zmxld(ji,jj,jk) = zemlp |
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| 266 | END DO |
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| 267 | END DO |
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| 268 | END DO |
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| 269 | |
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| 270 | END SELECT |
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| 271 | |
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[253] | 272 | # if defined key_cfg_1d |
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| 273 | ! save mixing and dissipation turbulent length scales |
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| 274 | e_dis(:,:,:) = zmxld(:,:,:) |
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| 275 | e_mix(:,:,:) = zmxlm(:,:,:) |
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| 276 | # endif |
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[3] | 277 | |
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| 278 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 279 | ! II Tubulent kinetic energy time stepping |
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| 280 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 281 | |
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| 282 | ! 1. Vertical eddy viscosity on tke (put in zmxlm) and first estimate of avt |
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| 283 | ! --------------------------------------------------------------------- |
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| 284 | !CDIR NOVERRCHK |
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| 285 | DO jk = 2, jpkm1 |
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| 286 | !CDIR NOVERRCHK |
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| 287 | DO jj = 2, jpjm1 |
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| 288 | !CDIR NOVERRCHK |
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| 289 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 290 | zsqen = SQRT( en(ji,jj,jk) ) |
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| 291 | zav = ediff * zmxlm(ji,jj,jk) * zsqen |
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| 292 | avt (ji,jj,jk) = MAX( zav, avtb(jk) ) * tmask(ji,jj,jk) |
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| 293 | zmxlm(ji,jj,jk) = MAX( zav, avmb(jk) ) * tmask(ji,jj,jk) |
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| 294 | zmxld(ji,jj,jk) = zsqen / zmxld(ji,jj,jk) |
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| 295 | END DO |
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| 296 | END DO |
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| 297 | END DO |
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| 298 | |
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| 299 | ! 2. Surface boundary condition on tke and its eddy viscosity (zmxlm) |
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| 300 | ! ------------------------------------------------- |
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[888] | 301 | ! en(1) = ebb sqrt(utau^2+vtau^2) / rau0 (min value emin0) |
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[3] | 302 | ! zmxlm(1) = avmb(1) and zmxlm(jpk) = 0. |
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| 303 | !CDIR NOVERRCHK |
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| 304 | DO jj = 2, jpjm1 |
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| 305 | !CDIR NOVERRCHK |
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| 306 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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[888] | 307 | ztx2 = utau(ji-1,jj ) + utau(ji,jj) |
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| 308 | zty2 = vtau(ji ,jj-1) + vtau(ji,jj) |
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[3] | 309 | zesurf = zbbrau * SQRT( ztx2 * ztx2 + zty2 * zty2 ) |
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| 310 | en (ji,jj,1) = MAX( zesurf, emin0 ) * tmask(ji,jj,1) |
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| 311 | zmxlm(ji,jj,1 ) = avmb(1) * tmask(ji,jj,1) |
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| 312 | zmxlm(ji,jj,jpk) = 0.e0 |
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| 313 | END DO |
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| 314 | END DO |
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| 315 | |
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| 316 | ! 3. Now Turbulent kinetic energy (output in en) |
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| 317 | ! ------------------------------- |
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| 318 | ! Resolution of a tridiagonal linear system by a "methode de chasse" |
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| 319 | ! computation from level 2 to jpkm1 (e(1) already computed and |
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| 320 | ! e(jpk)=0 ). |
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| 321 | |
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| 322 | SELECT CASE ( npdl ) |
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| 323 | |
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| 324 | CASE ( 0 ) ! No Prandtl number |
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| 325 | DO jk = 2, jpkm1 |
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| 326 | DO jj = 2, jpjm1 |
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| 327 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 328 | ! zesh2 = eboost * (du/dz)^2 - N^2 |
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| 329 | zcoef = 0.5 / fse3w(ji,jj,jk) |
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| 330 | ! shear |
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| 331 | zdku = zcoef * ( ub(ji-1, jj ,jk-1) + ub(ji,jj,jk-1) & |
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| 332 | & - ub(ji-1, jj ,jk ) - ub(ji,jj,jk ) ) |
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| 333 | zdkv = zcoef * ( vb( ji ,jj-1,jk-1) + vb(ji,jj,jk-1) & |
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| 334 | & - vb( ji ,jj-1,jk ) - vb(ji,jj,jk ) ) |
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| 335 | ! coefficient (zesh2) |
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| 336 | zesh2 = eboost * ( zdku*zdku + zdkv*zdkv ) - rn2(ji,jj,jk) |
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| 337 | |
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| 338 | ! Matrix |
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| 339 | zcof = zfact1 * tmask(ji,jj,jk) |
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| 340 | ! lower diagonal |
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| 341 | avmv(ji,jj,jk) = zcof * ( zmxlm(ji,jj,jk ) + zmxlm(ji,jj,jk-1) ) & |
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| 342 | & / ( fse3t(ji,jj,jk-1) * fse3w(ji,jj,jk ) ) |
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| 343 | ! upper diagonal |
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| 344 | avmu(ji,jj,jk) = zcof * ( zmxlm(ji,jj,jk+1) + zmxlm(ji,jj,jk ) ) & |
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| 345 | & / ( fse3t(ji,jj,jk ) * fse3w(ji,jj,jk) ) |
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| 346 | ! diagonal |
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| 347 | zwd(ji,jj,jk) = 1. - avmv(ji,jj,jk) - avmu(ji,jj,jk) + zfact2 * zmxld(ji,jj,jk) |
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| 348 | ! right hand side in en |
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| 349 | en(ji,jj,jk) = en(ji,jj,jk) + zfact3 * zmxld(ji,jj,jk) * en (ji,jj,jk) & |
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| 350 | & + rdt * zmxlm(ji,jj,jk) * zesh2 |
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| 351 | END DO |
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| 352 | END DO |
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| 353 | END DO |
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| 354 | |
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| 355 | CASE ( 1 ) ! Prandtl number |
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| 356 | DO jk = 2, jpkm1 |
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| 357 | DO jj = 2, jpjm1 |
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| 358 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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| 359 | ! zesh2 = eboost * (du/dz)^2 - pdl * N^2 |
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| 360 | zcoef = 0.5 / fse3w(ji,jj,jk) |
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| 361 | ! shear |
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| 362 | zdku = zcoef * ( ub(ji-1,jj ,jk-1) + ub(ji,jj,jk-1) & |
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| 363 | & - ub(ji-1,jj ,jk ) - ub(ji,jj,jk ) ) |
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| 364 | zdkv = zcoef * ( vb(ji ,jj-1,jk-1) + vb(ji,jj,jk-1) & |
---|
| 365 | & - vb(ji ,jj-1,jk ) - vb(ji,jj,jk ) ) |
---|
| 366 | ! square of vertical shear |
---|
| 367 | zsh2 = zdku * zdku + zdkv * zdkv |
---|
[217] | 368 | ! local Richardson number |
---|
| 369 | zri = MAX( rn2(ji,jj,jk), 0. ) / ( zsh2 + 1.e-20 ) |
---|
[253] | 370 | # if defined key_cfg_1d |
---|
| 371 | ! save masked local Richardson number in zmxlm array |
---|
| 372 | e_ric(ji,jj,jk) = zri * tmask(ji,jj,jk) |
---|
| 373 | # endif |
---|
[3] | 374 | ! Prandtl number |
---|
| 375 | zpdl = 1.0 |
---|
| 376 | IF( zri >= 0.2 ) zpdl = 0.2 / zri |
---|
| 377 | zpdl = MAX( 0.1, zpdl ) |
---|
| 378 | ! coefficient (esh2) |
---|
| 379 | zesh2 = eboost * zsh2 - zpdl * rn2(ji,jj,jk) |
---|
| 380 | |
---|
| 381 | ! Matrix |
---|
| 382 | zcof = zfact1 * tmask(ji,jj,jk) |
---|
| 383 | ! lower diagonal |
---|
| 384 | avmv(ji,jj,jk) = zcof * ( zmxlm(ji,jj,jk ) + zmxlm(ji,jj,jk-1) ) & |
---|
| 385 | & / ( fse3t(ji,jj,jk-1) * fse3w(ji,jj,jk ) ) |
---|
| 386 | ! upper diagonal |
---|
| 387 | avmu(ji,jj,jk) = zcof * ( zmxlm(ji,jj,jk+1) + zmxlm(ji,jj,jk ) ) & |
---|
| 388 | & / ( fse3t(ji,jj,jk ) * fse3w(ji,jj,jk) ) |
---|
| 389 | ! diagonal |
---|
| 390 | zwd(ji,jj,jk) = 1. - avmv(ji,jj,jk) - avmu(ji,jj,jk) + zfact2 * zmxld(ji,jj,jk) |
---|
| 391 | ! right hand side in en |
---|
| 392 | en(ji,jj,jk) = en(ji,jj,jk) + zfact3 * zmxld(ji,jj,jk) * en (ji,jj,jk) & |
---|
| 393 | & + rdt * zmxlm(ji,jj,jk) * zesh2 |
---|
| 394 | ! save masked Prandlt number in zmxlm array |
---|
| 395 | zmxld(ji,jj,jk) = zpdl * tmask(ji,jj,jk) |
---|
| 396 | END DO |
---|
| 397 | END DO |
---|
| 398 | END DO |
---|
| 399 | |
---|
| 400 | END SELECT |
---|
| 401 | |
---|
[253] | 402 | # if defined key_cfg_1d |
---|
| 403 | ! save masked Prandlt number |
---|
| 404 | e_pdl(:,:,2:jpkm1) = zmxld(:,:,2:jpkm1) |
---|
| 405 | e_pdl(:,:, 1) = e_pdl(:,:, 2) |
---|
| 406 | e_pdl(:,:, jpk) = e_pdl(:,:, jpkm1) |
---|
| 407 | # endif |
---|
| 408 | |
---|
[3] | 409 | ! 4. Matrix inversion from level 2 (tke prescribed at level 1) |
---|
| 410 | !!-------------------------------- |
---|
| 411 | ! First recurrence : Dk = Dk - Lk * Uk-1 / Dk-1 |
---|
| 412 | DO jk = 3, jpkm1 |
---|
| 413 | DO jj = 2, jpjm1 |
---|
| 414 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 415 | zwd(ji,jj,jk) = zwd(ji,jj,jk) - avmv(ji,jj,jk) * avmu(ji,jj,jk-1) / zwd(ji,jj,jk-1) |
---|
| 416 | END DO |
---|
| 417 | END DO |
---|
| 418 | END DO |
---|
| 419 | |
---|
| 420 | ! Second recurrence : Lk = RHSk - Lk / Dk-1 * Lk-1 |
---|
| 421 | DO jj = 2, jpjm1 |
---|
| 422 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 423 | avmv(ji,jj,2) = en(ji,jj,2) - avmv(ji,jj,2) * en(ji,jj,1) ! Surface boudary conditions on tke |
---|
| 424 | END DO |
---|
| 425 | END DO |
---|
| 426 | DO jk = 3, jpkm1 |
---|
| 427 | DO jj = 2, jpjm1 |
---|
| 428 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 429 | avmv(ji,jj,jk) = en(ji,jj,jk) - avmv(ji,jj,jk) / zwd(ji,jj,jk-1) *avmv(ji,jj,jk-1) |
---|
| 430 | END DO |
---|
| 431 | END DO |
---|
| 432 | END DO |
---|
| 433 | |
---|
| 434 | ! thrid recurrence : Ek = ( Lk - Uk * Ek+1 ) / Dk |
---|
| 435 | DO jj = 2, jpjm1 |
---|
| 436 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 437 | en(ji,jj,jpkm1) = avmv(ji,jj,jpkm1) / zwd(ji,jj,jpkm1) |
---|
| 438 | END DO |
---|
| 439 | END DO |
---|
| 440 | DO jk = jpk-2, 2, -1 |
---|
| 441 | DO jj = 2, jpjm1 |
---|
| 442 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 443 | en(ji,jj,jk) = ( avmv(ji,jj,jk) - avmu(ji,jj,jk) * en(ji,jj,jk+1) ) / zwd(ji,jj,jk) |
---|
| 444 | END DO |
---|
| 445 | END DO |
---|
| 446 | END DO |
---|
| 447 | |
---|
| 448 | ! Save the result in en and set minimum value of tke : emin |
---|
| 449 | DO jk = 2, jpkm1 |
---|
| 450 | DO jj = 2, jpjm1 |
---|
| 451 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 452 | en(ji,jj,jk) = MAX( en(ji,jj,jk), emin ) * tmask(ji,jj,jk) |
---|
| 453 | END DO |
---|
| 454 | END DO |
---|
| 455 | END DO |
---|
| 456 | |
---|
| 457 | ! Lateral boundary conditions on ( avt, en ) (sign unchanged) |
---|
| 458 | CALL lbc_lnk( en , 'W', 1. ) ; CALL lbc_lnk( avt, 'W', 1. ) |
---|
| 459 | |
---|
| 460 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
---|
| 461 | ! III. Before vertical eddy vicosity and diffusivity coefficients |
---|
| 462 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
---|
| 463 | |
---|
[217] | 464 | SELECT CASE ( nave ) |
---|
| 465 | |
---|
| 466 | CASE ( 0 ) ! no horizontal average |
---|
[3] | 467 | |
---|
[217] | 468 | ! Vertical eddy viscosity |
---|
[3] | 469 | |
---|
[217] | 470 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
[3] | 471 | DO jj = 2, jpjm1 |
---|
| 472 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 473 | avmu(ji,jj,jk) = ( avt (ji,jj,jk) + avt (ji+1,jj ,jk) ) * umask(ji,jj,jk) & |
---|
| 474 | & / MAX( 1., tmask(ji,jj,jk) + tmask(ji+1,jj ,jk) ) |
---|
| 475 | avmv(ji,jj,jk) = ( avt (ji,jj,jk) + avt (ji ,jj+1,jk) ) * vmask(ji,jj,jk) & |
---|
| 476 | & / MAX( 1., tmask(ji,jj,jk) + tmask(ji ,jj+1,jk) ) |
---|
| 477 | END DO |
---|
| 478 | END DO |
---|
[217] | 479 | END DO |
---|
[3] | 480 | |
---|
[217] | 481 | ! Lateral boundary conditions (avmu,avmv) (U- and V- points, sign unchanged) |
---|
| 482 | CALL lbc_lnk( avmu, 'U', 1. ) ; CALL lbc_lnk( avmv, 'V', 1. ) |
---|
| 483 | |
---|
| 484 | CASE ( 1 ) ! horizontal average |
---|
[3] | 485 | |
---|
[217] | 486 | ! ( 1/2 1/2 ) |
---|
| 487 | ! Eddy viscosity: horizontal average: avmu = 1/4 ( 1 1 ) |
---|
| 488 | ! ( 1/2 1 1/2 ) ( 1/2 1/2 ) |
---|
| 489 | ! avmv = 1/4 ( 1/2 1 1/2 ) |
---|
| 490 | |
---|
[3] | 491 | !! caution vectopt_memory change the solution (last digit of the solver stat) |
---|
| 492 | # if defined key_vectopt_memory |
---|
[217] | 493 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
[3] | 494 | DO jj = 2, jpjm1 |
---|
| 495 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 496 | avmu(ji,jj,jk) = ( avt(ji,jj ,jk) + avt(ji+1,jj ,jk) & |
---|
| 497 | & +.5*( avt(ji,jj-1,jk) + avt(ji+1,jj-1,jk) & |
---|
| 498 | & +avt(ji,jj+1,jk) + avt(ji+1,jj+1,jk) ) ) * eumean(ji,jj,jk) |
---|
| 499 | |
---|
| 500 | avmv(ji,jj,jk) = ( avt(ji ,jj,jk) + avt(ji ,jj+1,jk) & |
---|
| 501 | & +.5*( avt(ji-1,jj,jk) + avt(ji-1,jj+1,jk) & |
---|
| 502 | & +avt(ji+1,jj,jk) + avt(ji+1,jj+1,jk) ) ) * evmean(ji,jj,jk) |
---|
| 503 | END DO |
---|
| 504 | END DO |
---|
[217] | 505 | END DO |
---|
[3] | 506 | # else |
---|
[217] | 507 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
[3] | 508 | DO jj = 2, jpjm1 |
---|
| 509 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 510 | avmu(ji,jj,jk) = ( avt (ji,jj ,jk) + avt (ji+1,jj ,jk) & |
---|
| 511 | & +.5*( avt (ji,jj-1,jk) + avt (ji+1,jj-1,jk) & |
---|
| 512 | & +avt (ji,jj+1,jk) + avt (ji+1,jj+1,jk) ) ) * umask(ji,jj,jk) & |
---|
| 513 | & / MAX( 1., tmask(ji,jj ,jk) + tmask(ji+1,jj ,jk) & |
---|
| 514 | & +.5*( tmask(ji,jj-1,jk) + tmask(ji+1,jj-1,jk) & |
---|
| 515 | & +tmask(ji,jj+1,jk) + tmask(ji+1,jj+1,jk) ) ) |
---|
| 516 | |
---|
| 517 | avmv(ji,jj,jk) = ( avt (ji ,jj,jk) + avt (ji ,jj+1,jk) & |
---|
| 518 | & +.5*( avt (ji-1,jj,jk) + avt (ji-1,jj+1,jk) & |
---|
| 519 | & +avt (ji+1,jj,jk) + avt (ji+1,jj+1,jk) ) ) * vmask(ji,jj,jk) & |
---|
| 520 | & / MAX( 1., tmask(ji ,jj,jk) + tmask(ji ,jj+1,jk) & |
---|
| 521 | & +.5*( tmask(ji-1,jj,jk) + tmask(ji-1,jj+1,jk) & |
---|
| 522 | & +tmask(ji+1,jj,jk) + tmask(ji+1,jj+1,jk) ) ) |
---|
| 523 | END DO |
---|
| 524 | END DO |
---|
[217] | 525 | END DO |
---|
[3] | 526 | # endif |
---|
| 527 | |
---|
[217] | 528 | ! Lateral boundary conditions (avmu,avmv) (sign unchanged) |
---|
| 529 | CALL lbc_lnk( avmu, 'U', 1. ) ; CALL lbc_lnk( avmv, 'V', 1. ) |
---|
[3] | 530 | |
---|
[217] | 531 | ! Vertical eddy diffusivity |
---|
| 532 | ! ------------------------------ |
---|
| 533 | ! (1 2 1) |
---|
| 534 | ! horizontal average avt = 1/16 (2 4 2) |
---|
| 535 | ! (1 2 1) |
---|
| 536 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
[3] | 537 | # if defined key_vectopt_memory |
---|
| 538 | DO jj = 2, jpjm1 |
---|
| 539 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 540 | avt(ji,jj,jk) = ( avmu(ji,jj,jk) + avmu(ji-1,jj ,jk) & |
---|
| 541 | & + avmv(ji,jj,jk) + avmv(ji ,jj-1,jk) ) * etmean(ji,jj,jk) |
---|
| 542 | END DO |
---|
| 543 | END DO |
---|
| 544 | # else |
---|
| 545 | DO jj = 2, jpjm1 |
---|
| 546 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 547 | avt(ji,jj,jk) = ( avmu (ji,jj,jk) + avmu (ji-1,jj ,jk) & |
---|
| 548 | & + avmv (ji,jj,jk) + avmv (ji ,jj-1,jk) ) * tmask(ji,jj,jk) & |
---|
| 549 | & / MAX( 1., umask(ji,jj,jk) + umask(ji-1,jj ,jk) & |
---|
| 550 | & + vmask(ji,jj,jk) + vmask(ji ,jj-1,jk) ) |
---|
| 551 | END DO |
---|
| 552 | END DO |
---|
| 553 | # endif |
---|
[217] | 554 | END DO |
---|
[3] | 555 | |
---|
[217] | 556 | END SELECT |
---|
| 557 | |
---|
| 558 | ! multiplied by the Prandtl number (npdl>1) |
---|
| 559 | ! ---------------------------------------- |
---|
| 560 | IF( npdl == 1 ) THEN |
---|
| 561 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
[3] | 562 | DO jj = 2, jpjm1 |
---|
| 563 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 564 | zpdl = zmxld(ji,jj,jk) |
---|
| 565 | avt(ji,jj,jk) = MAX( zpdl * avt(ji,jj,jk), avtb(jk) ) * tmask(ji,jj,jk) |
---|
| 566 | END DO |
---|
| 567 | END DO |
---|
[217] | 568 | END DO |
---|
| 569 | ENDIF |
---|
[3] | 570 | |
---|
[217] | 571 | ! Minimum value on the eddy viscosity |
---|
| 572 | ! ---------------------------------------- |
---|
| 573 | DO jk = 2, jpkm1 ! Horizontal slab |
---|
[3] | 574 | DO jj = 1, jpj |
---|
| 575 | DO ji = 1, jpi |
---|
| 576 | avmu(ji,jj,jk) = MAX( avmu(ji,jj,jk), avmb(jk) ) * umask(ji,jj,jk) |
---|
| 577 | avmv(ji,jj,jk) = MAX( avmv(ji,jj,jk), avmb(jk) ) * vmask(ji,jj,jk) |
---|
| 578 | END DO |
---|
| 579 | END DO |
---|
[217] | 580 | END DO |
---|
[3] | 581 | |
---|
| 582 | ! Lateral boundary conditions on avt (sign unchanged) |
---|
| 583 | ! ------------------------------===== |
---|
| 584 | CALL lbc_lnk( avt, 'W', 1. ) |
---|
| 585 | |
---|
[508] | 586 | ! write en in restart file |
---|
| 587 | ! ------------------------ |
---|
| 588 | IF( lrst_oce ) CALL tke_rst( kt, 'WRITE' ) |
---|
| 589 | |
---|
[258] | 590 | IF(ln_ctl) THEN |
---|
| 591 | CALL prt_ctl(tab3d_1=en , clinfo1=' tke - e: ', tab3d_2=avt , clinfo2=' t: ', ovlap=1, kdim=jpk) |
---|
[516] | 592 | CALL prt_ctl(tab3d_1=avmu, clinfo1=' tke - u: ', mask1=umask, & |
---|
| 593 | & tab3d_2=avmv, clinfo2= ' v: ', mask2=vmask, ovlap=1, kdim=jpk) |
---|
[49] | 594 | ENDIF |
---|
| 595 | |
---|
[3] | 596 | END SUBROUTINE zdf_tke |
---|
| 597 | |
---|
| 598 | |
---|
| 599 | SUBROUTINE zdf_tke_init |
---|
| 600 | !!---------------------------------------------------------------------- |
---|
| 601 | !! *** ROUTINE zdf_tke_init *** |
---|
| 602 | !! |
---|
| 603 | !! ** Purpose : Initialization of the vertical eddy diffivity and |
---|
| 604 | !! viscosity when using a tke turbulent closure scheme |
---|
| 605 | !! |
---|
| 606 | !! ** Method : Read the namtke namelist and check the parameters |
---|
| 607 | !! called at the first timestep (nit000) |
---|
| 608 | !! |
---|
| 609 | !! ** input : Namlist namtke |
---|
| 610 | !! |
---|
| 611 | !! ** Action : Increase by 1 the nstop flag is setting problem encounter |
---|
| 612 | !! |
---|
| 613 | !!---------------------------------------------------------------------- |
---|
| 614 | USE dynzdf_exp |
---|
| 615 | USE trazdf_exp |
---|
[508] | 616 | ! |
---|
[3] | 617 | # if defined key_vectopt_memory |
---|
[508] | 618 | ! caution vectopt_memory change the solution (last digit of the solver stat) |
---|
| 619 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
[3] | 620 | # else |
---|
[508] | 621 | INTEGER :: jk ! dummy loop indices |
---|
[3] | 622 | # endif |
---|
[541] | 623 | |
---|
| 624 | NAMELIST/namtke/ ln_rstke, ediff, ediss, ebb, efave, emin, emin0, & |
---|
| 625 | & ri_c, nitke, nmxl, npdl, nave, navb |
---|
[3] | 626 | !!---------------------------------------------------------------------- |
---|
| 627 | |
---|
| 628 | ! Read Namelist namtke : Turbulente Kinetic Energy |
---|
| 629 | ! -------------------- |
---|
| 630 | REWIND ( numnam ) |
---|
| 631 | READ ( numnam, namtke ) |
---|
| 632 | |
---|
| 633 | ! Compute boost associated with the Richardson critic |
---|
| 634 | ! (control values: ri_c = 0.3 ==> eboost=1.25 for npdl=1 or 2) |
---|
| 635 | ! ( ri_c = 0.222 ==> eboost=1. ) |
---|
| 636 | eboost = ri_c * ( 2. + ediss / ediff ) / 2. |
---|
| 637 | |
---|
| 638 | |
---|
| 639 | ! Parameter control and print |
---|
| 640 | ! --------------------------- |
---|
| 641 | ! Control print |
---|
| 642 | IF(lwp) THEN |
---|
| 643 | WRITE(numout,*) |
---|
| 644 | WRITE(numout,*) 'zdf_tke_init : tke turbulent closure scheme' |
---|
| 645 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
| 646 | WRITE(numout,*) ' Namelist namtke : set tke mixing parameters' |
---|
| 647 | WRITE(numout,*) ' restart with tke from no tke ln_rstke = ', ln_rstke |
---|
| 648 | WRITE(numout,*) ' coef. to compute avt ediff = ', ediff |
---|
| 649 | WRITE(numout,*) ' Kolmogoroff dissipation coef. ediss = ', ediss |
---|
| 650 | WRITE(numout,*) ' tke surface input coef. ebb = ', ebb |
---|
| 651 | WRITE(numout,*) ' tke diffusion coef. efave = ', efave |
---|
| 652 | WRITE(numout,*) ' minimum value of tke emin = ', emin |
---|
| 653 | WRITE(numout,*) ' surface minimum value of tke emin0 = ', emin0 |
---|
| 654 | WRITE(numout,*) ' number of restart iter loops nitke = ', nitke |
---|
| 655 | WRITE(numout,*) ' mixing length type nmxl = ', nmxl |
---|
| 656 | WRITE(numout,*) ' prandl number flag npdl = ', npdl |
---|
| 657 | WRITE(numout,*) ' horizontal average flag nave = ', nave |
---|
| 658 | WRITE(numout,*) ' critic Richardson nb ri_c = ', ri_c |
---|
| 659 | WRITE(numout,*) ' and its associated coeff. eboost = ', eboost |
---|
| 660 | WRITE(numout,*) ' constant background or profile navb = ', navb |
---|
| 661 | WRITE(numout,*) |
---|
| 662 | ENDIF |
---|
| 663 | |
---|
| 664 | ! Check nmxl and npdl values |
---|
[474] | 665 | IF( nmxl < 0 .OR. nmxl > 3 ) CALL ctl_stop( ' bad flag: nmxl is < 0 or > 3 ' ) |
---|
[508] | 666 | IF( npdl < 0 .OR. npdl > 1 ) CALL ctl_stop( ' bad flag: npdl is < 0 or > 1 ' ) |
---|
[3] | 667 | |
---|
| 668 | ! Horizontal average : initialization of weighting arrays |
---|
| 669 | ! ------------------- |
---|
| 670 | |
---|
| 671 | SELECT CASE ( nave ) |
---|
| 672 | |
---|
| 673 | CASE ( 0 ) ! no horizontal average |
---|
| 674 | IF(lwp) WRITE(numout,*) ' no horizontal average on avt, avmu, avmv' |
---|
| 675 | IF(lwp) WRITE(numout,*) ' only in very high horizontal resolution !' |
---|
| 676 | # if defined key_vectopt_memory |
---|
[508] | 677 | ! caution vectopt_memory change the solution (last digit of the solver stat) |
---|
[3] | 678 | ! weighting mean arrays etmean, eumean and evmean |
---|
| 679 | ! ( 1 1 ) ( 1 ) |
---|
| 680 | ! avt = 1/4 ( 1 1 ) avmu = 1/2 ( 1 1 ) avmv= 1/2 ( 1 ) |
---|
| 681 | ! |
---|
| 682 | etmean(:,:,:) = 0.e0 |
---|
| 683 | eumean(:,:,:) = 0.e0 |
---|
| 684 | evmean(:,:,:) = 0.e0 |
---|
| 685 | |
---|
| 686 | DO jk = 1, jpkm1 |
---|
| 687 | DO jj = 2, jpjm1 |
---|
| 688 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 689 | etmean(ji,jj,jk) = tmask(ji,jj,jk) & |
---|
| 690 | & / MAX( 1., umask(ji-1,jj ,jk) + umask(ji,jj,jk) & |
---|
| 691 | & + vmask(ji ,jj-1,jk) + vmask(ji,jj,jk) ) |
---|
| 692 | |
---|
| 693 | eumean(ji,jj,jk) = umask(ji,jj,jk) & |
---|
| 694 | & / MAX( 1., tmask(ji,jj,jk) + tmask(ji+1,jj ,jk) ) |
---|
| 695 | |
---|
| 696 | evmean(ji,jj,jk) = vmask(ji,jj,jk) & |
---|
| 697 | & / MAX( 1., tmask(ji,jj,jk) + tmask(ji ,jj+1,jk) ) |
---|
| 698 | END DO |
---|
| 699 | END DO |
---|
| 700 | END DO |
---|
| 701 | # endif |
---|
| 702 | |
---|
| 703 | CASE ( 1 ) ! horizontal average |
---|
| 704 | IF(lwp) WRITE(numout,*) ' horizontal average on avt, avmu, avmv' |
---|
| 705 | # if defined key_vectopt_memory |
---|
[508] | 706 | ! caution vectopt_memory change the solution (last digit of the solver stat) |
---|
[3] | 707 | ! weighting mean arrays etmean, eumean and evmean |
---|
| 708 | ! ( 1 1 ) ( 1/2 1/2 ) ( 1/2 1 1/2 ) |
---|
| 709 | ! avt = 1/4 ( 1 1 ) avmu = 1/4 ( 1 1 ) avmv= 1/4 ( 1/2 1 1/2 ) |
---|
| 710 | ! ( 1/2 1/2 ) |
---|
| 711 | etmean(:,:,:) = 0.e0 |
---|
| 712 | eumean(:,:,:) = 0.e0 |
---|
| 713 | evmean(:,:,:) = 0.e0 |
---|
| 714 | |
---|
| 715 | DO jk = 1, jpkm1 |
---|
| 716 | DO jj = 2, jpjm1 |
---|
| 717 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 718 | etmean(ji,jj,jk) = tmask(ji,jj,jk) & |
---|
| 719 | & / MAX( 1., umask(ji-1,jj ,jk) + umask(ji,jj,jk) & |
---|
| 720 | & + vmask(ji ,jj-1,jk) + vmask(ji,jj,jk) ) |
---|
| 721 | |
---|
| 722 | eumean(ji,jj,jk) = umask(ji,jj,jk) & |
---|
| 723 | & / MAX( 1., tmask(ji,jj ,jk) + tmask(ji+1,jj ,jk) & |
---|
| 724 | & +.5 * ( tmask(ji,jj-1,jk) + tmask(ji+1,jj-1,jk) & |
---|
| 725 | & +tmask(ji,jj+1,jk) + tmask(ji+1,jj+1,jk) ) ) |
---|
| 726 | |
---|
| 727 | evmean(ji,jj,jk) = vmask(ji,jj,jk) & |
---|
| 728 | & / MAX( 1., tmask(ji ,jj,jk) + tmask(ji ,jj+1,jk) & |
---|
| 729 | & +.5 * ( tmask(ji-1,jj,jk) + tmask(ji-1,jj+1,jk) & |
---|
| 730 | & +tmask(ji+1,jj,jk) + tmask(ji+1,jj+1,jk) ) ) |
---|
| 731 | END DO |
---|
| 732 | END DO |
---|
| 733 | END DO |
---|
| 734 | # endif |
---|
| 735 | |
---|
| 736 | CASE DEFAULT |
---|
[474] | 737 | WRITE(ctmp1,*) ' bad flag value for nave = ', nave |
---|
| 738 | CALL ctl_stop( ctmp1 ) |
---|
[3] | 739 | |
---|
| 740 | END SELECT |
---|
| 741 | |
---|
| 742 | |
---|
| 743 | ! Background eddy viscosity and diffusivity profil |
---|
| 744 | ! ------------------------------------------------ |
---|
| 745 | IF( navb == 0 ) THEN |
---|
| 746 | ! Define avmb, avtb from namelist parameter |
---|
| 747 | avmb(:) = avm0 |
---|
| 748 | avtb(:) = avt0 |
---|
| 749 | ELSE |
---|
| 750 | ! Background profile of avt (fit a theoretical/observational profile (Krauss 1990) |
---|
| 751 | avmb(:) = avm0 |
---|
[463] | 752 | !!bug this is not valide neither in scoord |
---|
| 753 | IF(ln_sco .AND. lwp) WRITE(numout,cform_war) |
---|
| 754 | IF(ln_sco .AND. lwp) WRITE(numout,*) ' avtb profile nort valid in sco' |
---|
[3] | 755 | |
---|
[463] | 756 | avtb(:) = avt0 + ( 3.0e-4 - 2 * avt0 ) * 1.0e-4 * gdepw_0(:) ! m2/s |
---|
[422] | 757 | ENDIF |
---|
[3] | 758 | |
---|
[463] | 759 | ! Increase the background in the surface layers |
---|
| 760 | avmb(1) = 10. * avmb(1) ; avtb(1) = 10. * avtb(1) |
---|
| 761 | avmb(2) = 10. * avmb(2) ; avtb(2) = 10. * avtb(2) |
---|
| 762 | avmb(3) = 5. * avmb(3) ; avtb(3) = 5. * avtb(3) |
---|
| 763 | avmb(4) = 2.5 * avmb(4) ; avtb(4) = 2.5 * avtb(4) |
---|
[3] | 764 | |
---|
[463] | 765 | |
---|
[3] | 766 | ! Initialization of vertical eddy coef. to the background value |
---|
| 767 | ! ------------------------------------------------------------- |
---|
| 768 | DO jk = 1, jpk |
---|
| 769 | avt (:,:,jk) = avtb(jk) * tmask(:,:,jk) |
---|
| 770 | avmu(:,:,jk) = avmb(jk) * umask(:,:,jk) |
---|
| 771 | avmv(:,:,jk) = avmb(jk) * vmask(:,:,jk) |
---|
| 772 | END DO |
---|
| 773 | |
---|
| 774 | |
---|
[508] | 775 | ! read or initialize turbulent kinetic energy ( en ) |
---|
[3] | 776 | ! ------------------------------------------------- |
---|
[508] | 777 | CALL tke_rst( nit000, 'READ' ) |
---|
| 778 | ! |
---|
[3] | 779 | END SUBROUTINE zdf_tke_init |
---|
| 780 | |
---|
[508] | 781 | |
---|
| 782 | SUBROUTINE tke_rst( kt, cdrw ) |
---|
| 783 | !!--------------------------------------------------------------------- |
---|
| 784 | !! *** ROUTINE ts_rst *** |
---|
| 785 | !! |
---|
| 786 | !! ** Purpose : Read or write filtered free surface arrays in restart file |
---|
| 787 | !! |
---|
| 788 | !! ** Method : |
---|
| 789 | !! |
---|
| 790 | !!---------------------------------------------------------------------- |
---|
| 791 | INTEGER , INTENT(in) :: kt ! ocean time-step |
---|
| 792 | CHARACTER(len=*), INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
---|
| 793 | ! |
---|
| 794 | INTEGER :: jit ! dummy loop indices |
---|
| 795 | !!---------------------------------------------------------------------- |
---|
| 796 | ! |
---|
| 797 | IF( TRIM(cdrw) == 'READ' ) THEN |
---|
| 798 | IF( ln_rstart ) THEN |
---|
[746] | 799 | IF( iom_varid( numror, 'en', ldstop = .FALSE. ) > 0 .AND. .NOT.(ln_rstke) ) THEN |
---|
[683] | 800 | CALL iom_get( numror, jpdom_autoglo, 'en', en ) |
---|
[508] | 801 | ELSE |
---|
[746] | 802 | IF( lwp .AND. iom_varid( numror, 'en', ldstop = .FALSE. ) > 0 ) & |
---|
| 803 | & WRITE(numout,*) ' ===>>>> : previous run without tke scheme' |
---|
| 804 | IF( lwp .AND. ln_rstke ) WRITE(numout,*) ' ===>>>> : We do not use en from the restart file' |
---|
| 805 | IF( lwp ) WRITE(numout,*) ' ===>>>> : en set by iterative loop' |
---|
| 806 | IF( lwp ) WRITE(numout,*) ' ======= =========' |
---|
[508] | 807 | en (:,:,:) = emin * tmask(:,:,:) |
---|
| 808 | DO jit = 2, nitke+1 |
---|
| 809 | CALL zdf_tke( jit ) |
---|
| 810 | END DO |
---|
| 811 | ENDIF |
---|
| 812 | ELSE |
---|
| 813 | en(:,:,:) = emin * tmask(:,:,:) ! no restart: en set to emin |
---|
| 814 | ENDIF |
---|
| 815 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN |
---|
| 816 | CALL iom_rstput( kt, nitrst, numrow, 'en', en ) |
---|
| 817 | ENDIF |
---|
| 818 | ! |
---|
| 819 | END SUBROUTINE tke_rst |
---|
| 820 | |
---|
[3] | 821 | #else |
---|
| 822 | !!---------------------------------------------------------------------- |
---|
| 823 | !! Dummy module : NO TKE scheme |
---|
| 824 | !!---------------------------------------------------------------------- |
---|
[552] | 825 | LOGICAL, PUBLIC, PARAMETER :: lk_zdftke = .FALSE. !: TKE flag |
---|
[3] | 826 | CONTAINS |
---|
| 827 | SUBROUTINE zdf_tke( kt ) ! Empty routine |
---|
[16] | 828 | WRITE(*,*) 'zdf_tke: You should not have seen this print! error?', kt |
---|
[3] | 829 | END SUBROUTINE zdf_tke |
---|
| 830 | #endif |
---|
| 831 | |
---|
| 832 | !!====================================================================== |
---|
| 833 | END MODULE zdftke |
---|