[888] | 1 | MODULE sbcblk_core |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE sbcblk_core *** |
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| 4 | !! Ocean forcing: momentum, heat and freshwater flux formulation |
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| 5 | !!===================================================================== |
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[1482] | 6 | !! History : 1.0 ! 2004-08 (U. Schweckendiek) Original code |
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| 7 | !! 2.0 ! 2005-04 (L. Brodeau, A.M. Treguier) additions: |
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| 8 | !! - new bulk routine for efficiency |
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| 9 | !! - WINDS ARE NOW ASSUMED TO BE AT T POINTS in input files !!!! |
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| 10 | !! - file names and file characteristics in namelist |
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| 11 | !! - Implement reading of 6-hourly fields |
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| 12 | !! 3.0 ! 2006-06 (G. Madec) sbc rewritting |
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[2715] | 13 | !! - ! 2006-12 (L. Brodeau) Original code for TURB_CORE_2Z |
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[1482] | 14 | !! 3.2 ! 2009-04 (B. Lemaire) Introduce iom_put |
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[2528] | 15 | !! 3.3 ! 2010-10 (S. Masson) add diurnal cycle |
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[888] | 16 | !!---------------------------------------------------------------------- |
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| 17 | |
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| 18 | !!---------------------------------------------------------------------- |
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| 19 | !! sbc_blk_core : bulk formulation as ocean surface boundary condition |
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| 20 | !! (forced mode, CORE bulk formulea) |
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| 21 | !! blk_oce_core : ocean: computes momentum, heat and freshwater fluxes |
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| 22 | !! blk_ice_core : ice : computes momentum, heat and freshwater fluxes |
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| 23 | !! turb_core : computes the CORE turbulent transfer coefficients |
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| 24 | !!---------------------------------------------------------------------- |
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| 25 | USE oce ! ocean dynamics and tracers |
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| 26 | USE dom_oce ! ocean space and time domain |
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| 27 | USE phycst ! physical constants |
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| 28 | USE fldread ! read input fields |
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| 29 | USE sbc_oce ! Surface boundary condition: ocean fields |
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[2528] | 30 | USE sbcdcy ! surface boundary condition: diurnal cycle |
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[888] | 31 | USE iom ! I/O manager library |
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| 32 | USE in_out_manager ! I/O manager |
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| 33 | USE lib_mpp ! distribued memory computing library |
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| 34 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 35 | USE prtctl ! Print control |
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[905] | 36 | #if defined key_lim3 |
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[1465] | 37 | USE sbc_ice ! Surface boundary condition: ice fields |
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[905] | 38 | #endif |
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[888] | 39 | |
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| 40 | IMPLICIT NONE |
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| 41 | PRIVATE |
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| 42 | |
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[2715] | 43 | PUBLIC sbc_blk_core ! routine called in sbcmod module |
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| 44 | PUBLIC blk_ice_core ! routine called in sbc_ice_lim module |
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| 45 | |
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[888] | 46 | INTEGER , PARAMETER :: jp_wndi = 1 ! index of 10m wind velocity (i-component) (m/s) at T-point |
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| 47 | INTEGER , PARAMETER :: jp_wndj = 2 ! index of 10m wind velocity (j-component) (m/s) at T-point |
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[1695] | 48 | INTEGER , PARAMETER :: jp_humi = 3 ! index of specific humidity ( - ) |
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[888] | 49 | INTEGER , PARAMETER :: jp_qsr = 4 ! index of solar heat (W/m2) |
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| 50 | INTEGER , PARAMETER :: jp_qlw = 5 ! index of Long wave (W/m2) |
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| 51 | INTEGER , PARAMETER :: jp_tair = 6 ! index of 10m air temperature (Kelvin) |
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| 52 | INTEGER , PARAMETER :: jp_prec = 7 ! index of total precipitation (rain+snow) (Kg/m2/s) |
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| 53 | INTEGER , PARAMETER :: jp_snow = 8 ! index of snow (solid prcipitation) (kg/m2/s) |
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[1705] | 54 | INTEGER , PARAMETER :: jp_tdif = 9 ! index of tau diff associated to HF tau (N/m2) at T-point |
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[2799] | 55 | #if defined key_orca_r025 |
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| 56 | INTEGER , PARAMETER :: jp_swc = 10 ! index of GEWEX correction for SW radiation at T-point |
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| 57 | INTEGER , PARAMETER :: jp_lwc = 11 ! index of GEWEX correction for LW radiation at T-point |
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| 58 | INTEGER , PARAMETER :: jp_prc = 12 ! index of PMWC correction forat T-point |
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| 59 | INTEGER , PARAMETER :: jpfld = 12 ! maximum number of files to read |
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| 60 | #else |
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| 61 | INTEGER , PARAMETER :: jpfld = 9 ! maximum number of files to read |
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| 62 | #endif |
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[2715] | 63 | |
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[888] | 64 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf ! structure of input fields (file informations, fields read) |
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| 65 | |
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[1601] | 66 | ! !!! CORE bulk parameters |
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[888] | 67 | REAL(wp), PARAMETER :: rhoa = 1.22 ! air density |
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| 68 | REAL(wp), PARAMETER :: cpa = 1000.5 ! specific heat of air |
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| 69 | REAL(wp), PARAMETER :: Lv = 2.5e6 ! latent heat of vaporization |
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| 70 | REAL(wp), PARAMETER :: Ls = 2.839e6 ! latent heat of sublimation |
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| 71 | REAL(wp), PARAMETER :: Stef = 5.67e-8 ! Stefan Boltzmann constant |
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| 72 | REAL(wp), PARAMETER :: Cice = 1.63e-3 ! transfer coefficient over ice |
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[2528] | 73 | REAL(wp), PARAMETER :: albo = 0.066 ! ocean albedo assumed to be contant |
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[888] | 74 | |
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[2528] | 75 | ! !!* Namelist namsbc_core : CORE bulk parameters |
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| 76 | LOGICAL :: ln_2m = .FALSE. ! logical flag for height of air temp. and hum |
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| 77 | LOGICAL :: ln_taudif = .FALSE. ! logical flag to use the "mean of stress module - module of mean stress" data |
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| 78 | REAL(wp) :: rn_pfac = 1. ! multiplication factor for precipitation |
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[888] | 79 | |
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[2799] | 80 | #if defined key_orca_r025 |
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| 81 | LOGICAL :: ln_printdia= .TRUE. ! logical flag for height of air temp. and hum |
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| 82 | LOGICAL :: ln_netsw = .TRUE. ! logical flag for height of air temp. and hum |
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| 83 | LOGICAL :: ln_core_graceopt=.FALSE., ln_core_spinup=.FALSE. |
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| 84 | LOGICAL :: ln_gwxc = .TRUE. |
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| 85 | LOGICAL :: ln_corad_antar =.FALSE., ln_corad_arc =.FALSE. , ln_cotair_arc = .FALSE. |
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| 86 | LOGICAL :: ln_coprecip =.FALSE. |
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| 87 | REAL(wp) :: rn_qns_bias = 0._wp ! heat flux bias |
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| 88 | |
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| 89 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: area |
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| 90 | REAL(wp) :: araux |
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| 91 | |
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| 92 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zqlw, zqsb ! long wave and sensible heat fluxes |
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| 93 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zqla, zevap ! latent heat fluxes and evaporation |
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| 94 | |
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| 95 | REAL(wp), PARAMETER :: zalph = 2.408724e-06_wp, & |
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| 96 | & zbet = -0.006936579_wp, zgam = 449.9094_wp ! GRACE regression coefficients |
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| 97 | #endif |
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| 98 | |
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[888] | 99 | !! * Substitutions |
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| 100 | # include "domzgr_substitute.h90" |
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| 101 | # include "vectopt_loop_substitute.h90" |
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| 102 | !!---------------------------------------------------------------------- |
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[2528] | 103 | !! NEMO/OPA 3.3 , NEMO-consortium (2010) |
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[1156] | 104 | !! $Id$ |
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[2528] | 105 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[888] | 106 | !!---------------------------------------------------------------------- |
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| 107 | CONTAINS |
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[2799] | 108 | |
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[888] | 109 | SUBROUTINE sbc_blk_core( kt ) |
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| 110 | !!--------------------------------------------------------------------- |
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| 111 | !! *** ROUTINE sbc_blk_core *** |
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| 112 | !! |
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| 113 | !! ** Purpose : provide at each time step the surface ocean fluxes |
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| 114 | !! (momentum, heat, freshwater and runoff) |
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| 115 | !! |
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[1695] | 116 | !! ** Method : (1) READ each fluxes in NetCDF files: |
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| 117 | !! the 10m wind velocity (i-component) (m/s) at T-point |
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| 118 | !! the 10m wind velocity (j-component) (m/s) at T-point |
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| 119 | !! the specific humidity ( - ) |
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| 120 | !! the solar heat (W/m2) |
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| 121 | !! the Long wave (W/m2) |
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| 122 | !! the 10m air temperature (Kelvin) |
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| 123 | !! the total precipitation (rain+snow) (Kg/m2/s) |
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| 124 | !! the snow (solid prcipitation) (kg/m2/s) |
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[1705] | 125 | !! OPTIONAL parameter (see ln_taudif namelist flag): |
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| 126 | !! the tau diff associated to HF tau (N/m2) at T-point |
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[1695] | 127 | !! (2) CALL blk_oce_core |
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[888] | 128 | !! |
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| 129 | !! C A U T I O N : never mask the surface stress fields |
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| 130 | !! the stress is assumed to be in the mesh referential |
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| 131 | !! i.e. the (i,j) referential |
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| 132 | !! |
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| 133 | !! ** Action : defined at each time-step at the air-sea interface |
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[1695] | 134 | !! - utau, vtau i- and j-component of the wind stress |
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| 135 | !! - taum wind stress module at T-point |
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| 136 | !! - wndm 10m wind module at T-point |
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| 137 | !! - qns, qsr non-slor and solar heat flux |
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| 138 | !! - emp, emps evaporation minus precipitation |
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[888] | 139 | !!---------------------------------------------------------------------- |
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[2799] | 140 | #if defined key_orca_r025 |
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| 141 | USE ice_2 |
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| 142 | #endif |
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[2715] | 143 | INTEGER, INTENT(in) :: kt ! ocean time step |
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[888] | 144 | !! |
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| 145 | INTEGER :: ierror ! return error code |
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[1200] | 146 | INTEGER :: ifpr ! dummy loop indice |
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[1705] | 147 | INTEGER :: jfld ! dummy loop arguments |
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[2799] | 148 | INTEGER :: ji, jj |
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[888] | 149 | !! |
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| 150 | CHARACTER(len=100) :: cn_dir ! Root directory for location of core files |
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| 151 | TYPE(FLD_N), DIMENSION(jpfld) :: slf_i ! array of namelist informations on the fields to read |
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| 152 | TYPE(FLD_N) :: sn_wndi, sn_wndj, sn_humi, sn_qsr ! informations about the fields to be read |
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| 153 | TYPE(FLD_N) :: sn_qlw , sn_tair, sn_prec, sn_snow ! " " |
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[1705] | 154 | TYPE(FLD_N) :: sn_tdif ! " " |
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[2799] | 155 | TYPE(FLD_N) :: sn_swc, sn_lwc ! " " |
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| 156 | TYPE(FLD_N) :: sn_prc |
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| 157 | INTEGER :: iter_shapiro = 250 |
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| 158 | REAL :: zzlat, zzlat1, zzlat2, zfm, zfrld, ztmp |
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| 159 | REAL(wp), DIMENSION(jpi,jpj):: xyt,z_qsr,z_qlw,z_qsr1,z_qlw1, z_hum, z_tair |
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| 160 | REAL(wp), DIMENSION(jpi,jpj):: zqsr_lr, zqsr_hr, zqlw_lr, zqlw_hr, zprec_hr, zprec_lr |
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| 161 | CHARACTER(len=20) :: c_kind='ORCA_GLOB' |
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| 162 | #if defined key_orca_r025 |
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[1705] | 163 | NAMELIST/namsbc_core/ cn_dir , ln_2m , ln_taudif, rn_pfac, & |
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| 164 | & sn_wndi, sn_wndj, sn_humi , sn_qsr , & |
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[2799] | 165 | & sn_qlw , sn_tair, sn_prec , sn_snow, sn_tdif & |
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| 166 | & sn_swc , sn_lwc , sn_prc , ln_gwxc , & |
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| 167 | & ln_corad_antar, ln_corad_arc, ln_cotair_arc, ln_coprecip , & |
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| 168 | & rn_qns_bias, ln_printdia, ln_netsw, ln_core_graceopt,ln_core_spinup |
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| 169 | !!--------------------------------------------------------------------- |
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| 170 | #else |
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| 171 | NAMELIST/namsbc_core/ cn_dir , ln_2m , ln_taudif, rn_pfac, & |
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| 172 | & sn_wndi, sn_wndj, sn_humi , sn_qsr , & |
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[1705] | 173 | & sn_qlw , sn_tair, sn_prec , sn_snow, sn_tdif |
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[888] | 174 | !!--------------------------------------------------------------------- |
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[2799] | 175 | #endif |
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[888] | 176 | |
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| 177 | ! ! ====================== ! |
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| 178 | IF( kt == nit000 ) THEN ! First call kt=nit000 ! |
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| 179 | ! ! ====================== ! |
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[2799] | 180 | #if defined key_orca_r025 |
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| 181 | ! !== allocate sbc arrays |
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| 182 | IF( sbc_blk_core_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_blk_core_alloc : unable to allocate arrays' ) |
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| 183 | #endif |
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| 184 | |
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[888] | 185 | ! set file information (default values) |
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| 186 | cn_dir = './' ! directory in which the model is executed |
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[1601] | 187 | ! |
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[888] | 188 | ! (NB: frequency positive => hours, negative => months) |
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[2528] | 189 | ! ! file ! frequency ! variable ! time intep ! clim ! 'yearly' or ! weights ! rotation ! |
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| 190 | ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! |
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| 191 | sn_wndi = FLD_N( 'uwnd10m', 24 , 'u_10' , .false. , .false. , 'yearly' , '' , '' ) |
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| 192 | sn_wndj = FLD_N( 'vwnd10m', 24 , 'v_10' , .false. , .false. , 'yearly' , '' , '' ) |
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| 193 | sn_qsr = FLD_N( 'qsw' , 24 , 'qsw' , .false. , .false. , 'yearly' , '' , '' ) |
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| 194 | sn_qlw = FLD_N( 'qlw' , 24 , 'qlw' , .false. , .false. , 'yearly' , '' , '' ) |
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| 195 | sn_tair = FLD_N( 'tair10m', 24 , 't_10' , .false. , .false. , 'yearly' , '' , '' ) |
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| 196 | sn_humi = FLD_N( 'humi10m', 24 , 'q_10' , .false. , .false. , 'yearly' , '' , '' ) |
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| 197 | sn_prec = FLD_N( 'precip' , -1 , 'precip' , .true. , .false. , 'yearly' , '' , '' ) |
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| 198 | sn_snow = FLD_N( 'snow' , -1 , 'snow' , .true. , .false. , 'yearly' , '' , '' ) |
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| 199 | sn_tdif = FLD_N( 'taudif' , 24 , 'taudif' , .true. , .false. , 'yearly' , '' , '' ) |
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[2799] | 200 | #if defined key_orca_r025 |
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| 201 | sn_swc = FLD_N( 'swc' , 24 , 'swc' , .true. , .false. , 'yearly' , '' , '' ) |
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| 202 | sn_lwc = FLD_N( 'lwc' , 24 , 'lwc' , .true. , .false. , 'yearly' , '' , '' ) |
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| 203 | sn_prc = FLD_N( 'prc' , 24 , 'prc' , .true. , .false. , 'yearly' , '' , '' ) |
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| 204 | #endif |
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[1601] | 205 | ! |
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[2528] | 206 | REWIND( numnam ) ! read in namlist namsbc_core |
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[888] | 207 | READ ( numnam, namsbc_core ) |
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[2528] | 208 | ! ! check: do we plan to use ln_dm2dc with non-daily forcing? |
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| 209 | IF( ln_dm2dc .AND. sn_qsr%nfreqh /= 24 ) & |
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| 210 | & CALL ctl_stop( 'sbc_blk_core: ln_dm2dc can be activated only with daily short-wave forcing' ) |
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| 211 | IF( ln_dm2dc .AND. sn_qsr%ln_tint ) THEN |
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| 212 | CALL ctl_warn( 'sbc_blk_core: ln_dm2dc is taking care of the temporal interpolation of daily qsr', & |
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| 213 | & ' ==> We force time interpolation = .false. for qsr' ) |
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| 214 | sn_qsr%ln_tint = .false. |
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| 215 | ENDIF |
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| 216 | ! ! store namelist information in an array |
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[888] | 217 | slf_i(jp_wndi) = sn_wndi ; slf_i(jp_wndj) = sn_wndj |
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| 218 | slf_i(jp_qsr ) = sn_qsr ; slf_i(jp_qlw ) = sn_qlw |
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| 219 | slf_i(jp_tair) = sn_tair ; slf_i(jp_humi) = sn_humi |
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| 220 | slf_i(jp_prec) = sn_prec ; slf_i(jp_snow) = sn_snow |
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[1705] | 221 | slf_i(jp_tdif) = sn_tdif |
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[2799] | 222 | #if defined key_orca_r025 |
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| 223 | slf_i(jp_swc ) = sn_swc |
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| 224 | slf_i(jp_lwc ) = sn_lwc |
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| 225 | slf_i(jp_prc ) = sn_prc |
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| 226 | #endif |
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[2528] | 227 | ! |
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| 228 | lhftau = ln_taudif ! do we use HF tau information? |
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[1705] | 229 | jfld = jpfld - COUNT( (/.NOT. lhftau/) ) |
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[2799] | 230 | #if defined key_orca_r025 |
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| 231 | IF( .NOT. ln_gwxc ) jfld = jfld - 2 |
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| 232 | IF( .NOT. ln_coprecip ) jfld = jfld - 1 |
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| 233 | #endif |
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[1705] | 234 | ! |
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[2528] | 235 | ALLOCATE( sf(jfld), STAT=ierror ) ! set sf structure |
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[2715] | 236 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'sbc_blk_core: unable to allocate sf structure' ) |
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[1705] | 237 | DO ifpr= 1, jfld |
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[2528] | 238 | ALLOCATE( sf(ifpr)%fnow(jpi,jpj,1) ) |
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[2715] | 239 | IF( slf_i(ifpr)%ln_tint ) ALLOCATE( sf(ifpr)%fdta(jpi,jpj,1,2) ) |
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[1200] | 240 | END DO |
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[2528] | 241 | ! ! fill sf with slf_i and control print |
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| 242 | CALL fld_fill( sf, slf_i, cn_dir, 'sbc_blk_core', 'flux formulation for ocean surface boundary condition', 'namsbc_core' ) |
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[1601] | 243 | ! |
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[2799] | 244 | #if defined key_orca_r025 |
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| 245 | IF( ln_printdia .OR. ln_core_graceopt ) THEN |
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| 246 | area = (e1t * e2t) |
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| 247 | araux = sum ( area * tmask(:,:,1) ) |
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| 248 | IF(lk_mpp) CALL mpp_sum ( araux ) |
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| 249 | ENDIF |
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| 250 | #endif |
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[888] | 251 | ENDIF |
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| 252 | |
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[2528] | 253 | CALL fld_read( kt, nn_fsbc, sf ) ! input fields provided at the current time-step |
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[888] | 254 | |
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[2799] | 255 | IF( MOD( kt - 1, nn_fsbc ) == 0 ) THEN |
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| 256 | |
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| 257 | #if defined key_orca_r025 |
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| 258 | ! Introduce ERA-Interim filtering and correction |
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| 259 | |
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| 260 | IF( ln_gwxc ) THEN |
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| 261 | |
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| 262 | call Shapiro_1D(sf(jp_qsr)%fnow(:,:,1),iter_shapiro, c_kind, zqsr_lr) |
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| 263 | zqsr_hr(:,:)=sf(jp_qsr)%fnow(:,:,1)-zqsr_lr(:,:) ! We get large scale and small scale |
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| 264 | |
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| 265 | call Shapiro_1D(sf(jp_qlw)%fnow(:,:,1),iter_shapiro, c_kind, zqlw_lr) |
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| 266 | zqlw_hr(:,:)=sf(jp_qlw)%fnow(:,:,1)-zqlw_lr(:,:) ! We get large scale and small scale |
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| 267 | |
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| 268 | z_qsr1(:,:)=zqsr_lr(:,:)*sf(jp_swc)%fnow(:,:,1) + zqsr_hr(:,:) |
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| 269 | z_qlw1(:,:)=zqlw_lr(:,:)*sf(jp_lwc)%fnow(:,:,1) + zqlw_hr(:,:) |
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| 270 | |
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| 271 | DO jj=1,jpj |
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| 272 | DO ji=1,jpi |
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| 273 | z_qsr1(ji,jj)=max(z_qsr1(ji,jj),0.0) |
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| 274 | z_qlw1(ji,jj)=max(z_qlw1(ji,jj),0.0) |
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| 275 | END DO |
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| 276 | END DO |
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| 277 | |
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| 278 | ENDIF |
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| 279 | |
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| 280 | IF( ln_coprecip ) THEN |
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| 281 | |
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| 282 | call Shapiro_1D(sf(jp_prec)%fnow(:,:,1),iter_shapiro,c_kind,zprec_lr) |
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| 283 | zprec_hr(:,:)=sf(jp_prec)%fnow(:,:,1)-zprec_lr(:,:) ! We get large scale and small scale |
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| 284 | |
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| 285 | DO jj=1,jpj |
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| 286 | DO ji=1,jpi |
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| 287 | IF( zprec_lr(ji,jj) .GT. 0._wp ) THEN |
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| 288 | ztmp = LOG( ( 1000._wp + sf(jp_prc)%fnow(ji,jj,1) ) * EXP( zprec_lr(ji,jj) ) / 1000._wp ) |
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| 289 | sf(jp_prec)%fnow(ji,jj,1) = max(ztmp+zprec_hr(ji,jj),0.0) |
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| 290 | ENDIF |
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| 291 | END DO |
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| 292 | END DO |
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| 293 | |
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| 294 | ENDIF |
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| 295 | |
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| 296 | IF ( ln_corad_antar ) THEN ! correction of SW and LW in the Southern Ocean |
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| 297 | |
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| 298 | z_qsr(:,:)=0.8*z_qsr1(:,:) |
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| 299 | z_qlw(:,:)=1.1*z_qlw1(:,:) |
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| 300 | xyt(:,:) = 0.e0 |
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| 301 | zzlat1 = -65. |
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| 302 | zzlat2 = -60. |
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| 303 | DO jj = 1, jpj |
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| 304 | DO ji = 1, jpi |
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| 305 | zzlat = gphit(ji,jj) |
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| 306 | IF ( zzlat >= zzlat1 .AND. zzlat <= zzlat2 ) THEN |
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| 307 | xyt(ji,jj) = (zzlat2-zzlat)/(zzlat2-zzlat1) |
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| 308 | ELSE IF ( zzlat < zzlat1 ) THEN |
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| 309 | xyt(ji,jj) = 1 |
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| 310 | ENDIF |
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| 311 | END DO |
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| 312 | END DO |
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| 313 | z_qsr1(:,:)=z_qsr(:,:)*xyt(:,:)+(1.0-xyt(:,:))*z_qsr1(:,:) |
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| 314 | z_qlw1(:,:)=z_qlw(:,:)*xyt(:,:)+(1.0-xyt(:,:))*z_qlw1(:,:) |
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| 315 | |
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| 316 | ENDIF |
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| 317 | |
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| 318 | IF ( ln_corad_arc ) THEN ! correction of SW in the Arctic Ocean |
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| 319 | |
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| 320 | z_qsr(:,:)=0.7*z_qsr1(:,:) |
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| 321 | xyt(:,:) = 0.e0 |
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| 322 | zzlat1 = 78. |
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| 323 | zzlat2 = 82. |
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| 324 | DO jj = 1, jpj |
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| 325 | DO ji = 1, jpi |
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| 326 | zzlat = gphit(ji,jj) |
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| 327 | IF ( zzlat >= zzlat1 .AND. zzlat <= zzlat2 ) THEN |
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| 328 | xyt(ji,jj) = (zzlat-zzlat1)/(zzlat2-zzlat1) |
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| 329 | ELSE IF ( zzlat > zzlat2 ) THEN |
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| 330 | xyt(ji,jj) = 1 |
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| 331 | ENDIF |
---|
| 332 | END DO |
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| 333 | END DO |
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| 334 | z_qsr1(:,:)=z_qsr(:,:)*xyt(:,:)+(1.0-xyt(:,:))*z_qsr1(:,:) |
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| 335 | |
---|
| 336 | ENDIF |
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| 337 | |
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| 338 | sf(jp_qsr)%fnow(:,:,1)=z_qsr1(:,:) |
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| 339 | sf(jp_qlw)%fnow(:,:,1)=z_qlw1(:,:) |
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| 340 | |
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| 341 | IF ( ln_cotair_arc ) THEN ! correction of Air Temperature in the Arctic Ocean |
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| 342 | |
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| 343 | z_tair(:,:)=sf(jp_tair)%fnow(:,:,1) - 2.0 |
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| 344 | xyt(:,:) = 0.e0 ; zzlat1 = 78. ; zzlat2 = 82. |
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| 345 | DO jj = 1, jpj |
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| 346 | DO ji = 1, jpi |
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| 347 | zzlat = gphit(ji,jj) ; zfrld=frld(ji,jj) |
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| 348 | IF ( zzlat >= zzlat1 .AND. zzlat <= zzlat2 .AND. zfrld < 0.85 ) THEN |
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| 349 | xyt(ji,jj) = (zzlat-zzlat1)/(zzlat2-zzlat1) |
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| 350 | ELSE IF ( zzlat > zzlat2 .AND. zfrld < 0.85 ) THEN |
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| 351 | xyt(ji,jj) = 1 |
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| 352 | ENDIF |
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| 353 | END DO |
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| 354 | END DO |
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| 355 | sf(jp_tair)%fnow(:,:,1)=z_tair(:,:)*xyt(:,:)+(1.0-xyt(:,:))*sf(jp_tair)%fnow(:,:,1) |
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| 356 | |
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| 357 | ENDIF |
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| 358 | |
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| 359 | #endif |
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| 360 | |
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| 361 | CALL blk_oce_core( sf, sst_m, ssu_m, ssv_m ) ! compute the surface ocean fluxes using CLIO bulk formulea |
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| 362 | |
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| 363 | ENDIF |
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| 364 | ! ! using CORE bulk formulea |
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[888] | 365 | END SUBROUTINE sbc_blk_core |
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| 366 | |
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| 367 | |
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[1242] | 368 | SUBROUTINE blk_oce_core( sf, pst, pu, pv ) |
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[888] | 369 | !!--------------------------------------------------------------------- |
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| 370 | !! *** ROUTINE blk_core *** |
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| 371 | !! |
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| 372 | !! ** Purpose : provide the momentum, heat and freshwater fluxes at |
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| 373 | !! the ocean surface at each time step |
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| 374 | !! |
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| 375 | !! ** Method : CORE bulk formulea for the ocean using atmospheric |
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| 376 | !! fields read in sbc_read |
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| 377 | !! |
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| 378 | !! ** Outputs : - utau : i-component of the stress at U-point (N/m2) |
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| 379 | !! - vtau : j-component of the stress at V-point (N/m2) |
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[1695] | 380 | !! - taum : Wind stress module at T-point (N/m2) |
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| 381 | !! - wndm : Wind speed module at T-point (m/s) |
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[888] | 382 | !! - qsr : Solar heat flux over the ocean (W/m2) |
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| 383 | !! - qns : Non Solar heat flux over the ocean (W/m2) |
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| 384 | !! - evap : Evaporation over the ocean (kg/m2/s) |
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[1482] | 385 | !! - emp(s) : evaporation minus precipitation (kg/m2/s) |
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[1242] | 386 | !! |
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| 387 | !! ** Nota : sf has to be a dummy argument for AGRIF on NEC |
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[888] | 388 | !!--------------------------------------------------------------------- |
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[2715] | 389 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
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| 390 | USE wrk_nemo, ONLY: zwnd_i => wrk_2d_1 , zwnd_j => wrk_2d_2 ! wind speed components at T-point |
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| 391 | USE wrk_nemo, ONLY: zqsatw => wrk_2d_3 ! specific humidity at pst |
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| 392 | USE wrk_nemo, ONLY: zqlw => wrk_2d_4 , zqsb => wrk_2d_5 ! long wave and sensible heat fluxes |
---|
| 393 | USE wrk_nemo, ONLY: zqla => wrk_2d_6 , zevap => wrk_2d_7 ! latent heat fluxes and evaporation |
---|
| 394 | USE wrk_nemo, ONLY: Cd => wrk_2d_8 ! transfer coefficient for momentum (tau) |
---|
| 395 | USE wrk_nemo, ONLY: Ch => wrk_2d_9 ! transfer coefficient for sensible heat (Q_sens) |
---|
| 396 | USE wrk_nemo, ONLY: Ce => wrk_2d_10 ! transfer coefficient for evaporation (Q_lat) |
---|
| 397 | USE wrk_nemo, ONLY: zst => wrk_2d_11 ! surface temperature in Kelvin |
---|
| 398 | USE wrk_nemo, ONLY: zt_zu => wrk_2d_12 ! air temperature at wind speed height |
---|
| 399 | USE wrk_nemo, ONLY: zq_zu => wrk_2d_13 ! air spec. hum. at wind speed height |
---|
| 400 | ! |
---|
| 401 | TYPE(fld), INTENT(in), DIMENSION(:) :: sf ! input data |
---|
| 402 | REAL(wp) , INTENT(in), DIMENSION(:,:) :: pst ! surface temperature [Celcius] |
---|
| 403 | REAL(wp) , INTENT(in), DIMENSION(:,:) :: pu ! surface current at U-point (i-component) [m/s] |
---|
| 404 | REAL(wp) , INTENT(in), DIMENSION(:,:) :: pv ! surface current at V-point (j-component) [m/s] |
---|
| 405 | ! |
---|
| 406 | INTEGER :: ji, jj ! dummy loop indices |
---|
| 407 | REAL(wp) :: zcoef_qsatw, zztmp ! local variable |
---|
[888] | 408 | !!--------------------------------------------------------------------- |
---|
| 409 | |
---|
[2715] | 410 | IF( wrk_in_use(2, 1,2,3,4,5,6,7,8,9,10,11,12,13) ) THEN |
---|
| 411 | CALL ctl_stop('blk_oce_core: requested workspace arrays unavailable') ; RETURN |
---|
| 412 | ENDIF |
---|
| 413 | ! |
---|
[888] | 414 | ! local scalars ( place there for vector optimisation purposes) |
---|
| 415 | zcoef_qsatw = 0.98 * 640380. / rhoa |
---|
| 416 | |
---|
| 417 | zst(:,:) = pst(:,:) + rt0 ! converte Celcius to Kelvin (and set minimum value far above 0 K) |
---|
| 418 | |
---|
| 419 | ! ----------------------------------------------------------------------------- ! |
---|
| 420 | ! 0 Wind components and module at T-point relative to the moving ocean ! |
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| 421 | ! ----------------------------------------------------------------------------- ! |
---|
[1000] | 422 | |
---|
[888] | 423 | ! ... components ( U10m - U_oce ) at T-point (unmasked) |
---|
| 424 | zwnd_i(:,:) = 0.e0 |
---|
| 425 | zwnd_j(:,:) = 0.e0 |
---|
| 426 | #if defined key_vectopt_loop |
---|
| 427 | !CDIR COLLAPSE |
---|
| 428 | #endif |
---|
| 429 | DO jj = 2, jpjm1 |
---|
| 430 | DO ji = fs_2, fs_jpim1 ! vect. opt. |
---|
[2528] | 431 | zwnd_i(ji,jj) = ( sf(jp_wndi)%fnow(ji,jj,1) - 0.5 * ( pu(ji-1,jj ) + pu(ji,jj) ) ) |
---|
| 432 | zwnd_j(ji,jj) = ( sf(jp_wndj)%fnow(ji,jj,1) - 0.5 * ( pv(ji ,jj-1) + pv(ji,jj) ) ) |
---|
[888] | 433 | END DO |
---|
| 434 | END DO |
---|
| 435 | CALL lbc_lnk( zwnd_i(:,:) , 'T', -1. ) |
---|
| 436 | CALL lbc_lnk( zwnd_j(:,:) , 'T', -1. ) |
---|
| 437 | ! ... scalar wind ( = | U10m - U_oce | ) at T-point (masked) |
---|
| 438 | !CDIR NOVERRCHK |
---|
| 439 | !CDIR COLLAPSE |
---|
[1025] | 440 | wndm(:,:) = SQRT( zwnd_i(:,:) * zwnd_i(:,:) & |
---|
| 441 | & + zwnd_j(:,:) * zwnd_j(:,:) ) * tmask(:,:,1) |
---|
[888] | 442 | |
---|
| 443 | ! ----------------------------------------------------------------------------- ! |
---|
| 444 | ! I Radiative FLUXES ! |
---|
| 445 | ! ----------------------------------------------------------------------------- ! |
---|
| 446 | |
---|
[2528] | 447 | ! ocean albedo assumed to be constant + modify now Qsr to include the diurnal cycle ! Short Wave |
---|
| 448 | zztmp = 1. - albo |
---|
| 449 | IF( ln_dm2dc ) THEN ; qsr(:,:) = zztmp * sbc_dcy( sf(jp_qsr)%fnow(:,:,1) ) * tmask(:,:,1) |
---|
| 450 | ELSE ; qsr(:,:) = zztmp * sf(jp_qsr)%fnow(:,:,1) * tmask(:,:,1) |
---|
| 451 | ENDIF |
---|
[888] | 452 | !CDIR COLLAPSE |
---|
[2528] | 453 | zqlw(:,:) = ( sf(jp_qlw)%fnow(:,:,1) - Stef * zst(:,:)*zst(:,:)*zst(:,:)*zst(:,:) ) * tmask(:,:,1) ! Long Wave |
---|
[888] | 454 | ! ----------------------------------------------------------------------------- ! |
---|
| 455 | ! II Turbulent FLUXES ! |
---|
| 456 | ! ----------------------------------------------------------------------------- ! |
---|
| 457 | |
---|
| 458 | ! ... specific humidity at SST and IST |
---|
| 459 | !CDIR NOVERRCHK |
---|
| 460 | !CDIR COLLAPSE |
---|
| 461 | zqsatw(:,:) = zcoef_qsatw * EXP( -5107.4 / zst(:,:) ) |
---|
| 462 | |
---|
| 463 | ! ... NCAR Bulk formulae, computation of Cd, Ch, Ce at T-point : |
---|
| 464 | IF( ln_2m ) THEN |
---|
| 465 | !! If air temp. and spec. hum. are given at different height (2m) than wind (10m) : |
---|
[1025] | 466 | CALL TURB_CORE_2Z(2.,10., zst , sf(jp_tair)%fnow, & |
---|
| 467 | & zqsatw, sf(jp_humi)%fnow, wndm, & |
---|
| 468 | & Cd , Ch , Ce , & |
---|
| 469 | & zt_zu , zq_zu ) |
---|
[888] | 470 | ELSE |
---|
| 471 | !! If air temp. and spec. hum. are given at same height than wind (10m) : |
---|
| 472 | !gm bug? at the compiling phase, add a copy in temporary arrays... ==> check perf |
---|
[1025] | 473 | ! CALL TURB_CORE_1Z( 10., zst (:,:), sf(jp_tair)%fnow(:,:), & |
---|
| 474 | ! & zqsatw(:,:), sf(jp_humi)%fnow(:,:), wndm(:,:), & |
---|
| 475 | ! & Cd (:,:), Ch (:,:), Ce (:,:) ) |
---|
[888] | 476 | !gm bug |
---|
[2715] | 477 | ! ARPDBG - this won't compile with gfortran. Fix but check performance |
---|
| 478 | ! as per comment above. |
---|
| 479 | CALL TURB_CORE_1Z( 10., zst , sf(jp_tair)%fnow(:,:,1), & |
---|
| 480 | & zqsatw, sf(jp_humi)%fnow(:,:,1), wndm, & |
---|
[1025] | 481 | & Cd , Ch , Ce ) |
---|
[888] | 482 | ENDIF |
---|
| 483 | |
---|
[1695] | 484 | ! ... tau module, i and j component |
---|
| 485 | DO jj = 1, jpj |
---|
| 486 | DO ji = 1, jpi |
---|
| 487 | zztmp = rhoa * wndm(ji,jj) * Cd(ji,jj) |
---|
| 488 | taum (ji,jj) = zztmp * wndm (ji,jj) |
---|
| 489 | zwnd_i(ji,jj) = zztmp * zwnd_i(ji,jj) |
---|
| 490 | zwnd_j(ji,jj) = zztmp * zwnd_j(ji,jj) |
---|
| 491 | END DO |
---|
| 492 | END DO |
---|
[1705] | 493 | |
---|
| 494 | ! ... add the HF tau contribution to the wind stress module? |
---|
| 495 | IF( lhftau ) THEN |
---|
| 496 | !CDIR COLLAPSE |
---|
[2799] | 497 | #if defined key_orca_r025 |
---|
| 498 | ! Changed!!! Multiply by QSCAT correction |
---|
| 499 | zwnd_i(:,:) = zwnd_i(:,:) * sf(jp_tdif)%fnow(:,:,1) |
---|
| 500 | zwnd_j(:,:) = zwnd_j(:,:) * sf(jp_tdif)%fnow(:,:,1) |
---|
| 501 | #endif |
---|
[2528] | 502 | taum(:,:) = taum(:,:) + sf(jp_tdif)%fnow(:,:,1) |
---|
[1705] | 503 | ENDIF |
---|
| 504 | CALL iom_put( "taum_oce", taum ) ! output wind stress module |
---|
| 505 | |
---|
[888] | 506 | ! ... utau, vtau at U- and V_points, resp. |
---|
| 507 | ! Note the use of 0.5*(2-umask) in order to unmask the stress along coastlines |
---|
| 508 | DO jj = 1, jpjm1 |
---|
| 509 | DO ji = 1, fs_jpim1 |
---|
| 510 | utau(ji,jj) = 0.5 * ( 2. - umask(ji,jj,1) ) * ( zwnd_i(ji,jj) + zwnd_i(ji+1,jj ) ) |
---|
| 511 | vtau(ji,jj) = 0.5 * ( 2. - vmask(ji,jj,1) ) * ( zwnd_j(ji,jj) + zwnd_j(ji ,jj+1) ) |
---|
| 512 | END DO |
---|
| 513 | END DO |
---|
| 514 | CALL lbc_lnk( utau(:,:), 'U', -1. ) |
---|
| 515 | CALL lbc_lnk( vtau(:,:), 'V', -1. ) |
---|
| 516 | |
---|
| 517 | ! Turbulent fluxes over ocean |
---|
| 518 | ! ----------------------------- |
---|
| 519 | IF( ln_2m ) THEN |
---|
| 520 | ! Values of temp. and hum. adjusted to 10m must be used instead of 2m values |
---|
[1025] | 521 | zevap(:,:) = MAX( 0.e0, rhoa *Ce(:,:)*( zqsatw(:,:) - zq_zu(:,:) ) * wndm(:,:) ) ! Evaporation |
---|
| 522 | zqsb (:,:) = rhoa*cpa*Ch(:,:)*( zst (:,:) - zt_zu(:,:) ) * wndm(:,:) ! Sensible Heat |
---|
[888] | 523 | ELSE |
---|
| 524 | !CDIR COLLAPSE |
---|
[2528] | 525 | zevap(:,:) = MAX( 0.e0, rhoa *Ce(:,:)*( zqsatw(:,:) - sf(jp_humi)%fnow(:,:,1) ) * wndm(:,:) ) ! Evaporation |
---|
[888] | 526 | !CDIR COLLAPSE |
---|
[2528] | 527 | zqsb (:,:) = rhoa*cpa*Ch(:,:)*( zst (:,:) - sf(jp_tair)%fnow(:,:,1) ) * wndm(:,:) ! Sensible Heat |
---|
[888] | 528 | ENDIF |
---|
| 529 | !CDIR COLLAPSE |
---|
| 530 | zqla (:,:) = Lv * zevap(:,:) ! Latent Heat |
---|
| 531 | |
---|
| 532 | IF(ln_ctl) THEN |
---|
[1025] | 533 | CALL prt_ctl( tab2d_1=zqla , clinfo1=' blk_oce_core: zqla : ', tab2d_2=Ce , clinfo2=' Ce : ' ) |
---|
| 534 | CALL prt_ctl( tab2d_1=zqsb , clinfo1=' blk_oce_core: zqsb : ', tab2d_2=Ch , clinfo2=' Ch : ' ) |
---|
| 535 | CALL prt_ctl( tab2d_1=zqlw , clinfo1=' blk_oce_core: zqlw : ', tab2d_2=qsr, clinfo2=' qsr : ' ) |
---|
| 536 | CALL prt_ctl( tab2d_1=zqsatw, clinfo1=' blk_oce_core: zqsatw : ', tab2d_2=zst, clinfo2=' zst : ' ) |
---|
| 537 | CALL prt_ctl( tab2d_1=utau , clinfo1=' blk_oce_core: utau : ', mask1=umask, & |
---|
| 538 | & tab2d_2=vtau , clinfo2= ' vtau : ' , mask2=vmask ) |
---|
| 539 | CALL prt_ctl( tab2d_1=wndm , clinfo1=' blk_oce_core: wndm : ') |
---|
| 540 | CALL prt_ctl( tab2d_1=zst , clinfo1=' blk_oce_core: zst : ') |
---|
[888] | 541 | ENDIF |
---|
| 542 | |
---|
| 543 | ! ----------------------------------------------------------------------------- ! |
---|
| 544 | ! III Total FLUXES ! |
---|
| 545 | ! ----------------------------------------------------------------------------- ! |
---|
| 546 | |
---|
| 547 | !CDIR COLLAPSE |
---|
| 548 | qns(:,:) = zqlw(:,:) - zqsb(:,:) - zqla(:,:) ! Downward Non Solar flux |
---|
| 549 | !CDIR COLLAPSE |
---|
[2528] | 550 | emp(:,:) = zevap(:,:) - sf(jp_prec)%fnow(:,:,1) * rn_pfac * tmask(:,:,1) |
---|
[888] | 551 | !CDIR COLLAPSE |
---|
[1482] | 552 | emps(:,:) = emp(:,:) |
---|
[888] | 553 | ! |
---|
[1482] | 554 | CALL iom_put( "qlw_oce", zqlw ) ! output downward longwave heat over the ocean |
---|
| 555 | CALL iom_put( "qsb_oce", - zqsb ) ! output downward sensible heat over the ocean |
---|
| 556 | CALL iom_put( "qla_oce", - zqla ) ! output downward latent heat over the ocean |
---|
| 557 | CALL iom_put( "qns_oce", qns ) ! output downward non solar heat over the ocean |
---|
| 558 | ! |
---|
| 559 | IF(ln_ctl) THEN |
---|
| 560 | CALL prt_ctl(tab2d_1=zqsb , clinfo1=' blk_oce_core: zqsb : ', tab2d_2=zqlw , clinfo2=' zqlw : ') |
---|
| 561 | CALL prt_ctl(tab2d_1=zqla , clinfo1=' blk_oce_core: zqla : ', tab2d_2=qsr , clinfo2=' qsr : ') |
---|
| 562 | CALL prt_ctl(tab2d_1=pst , clinfo1=' blk_oce_core: pst : ', tab2d_2=emp , clinfo2=' emp : ') |
---|
| 563 | CALL prt_ctl(tab2d_1=utau , clinfo1=' blk_oce_core: utau : ', mask1=umask, & |
---|
| 564 | & tab2d_2=vtau , clinfo2= ' vtau : ' , mask2=vmask ) |
---|
| 565 | ENDIF |
---|
| 566 | ! |
---|
[2715] | 567 | IF( wrk_not_released(2, 1,2,3,4,5,6,7,8,9,10,11,12,13) ) & |
---|
| 568 | CALL ctl_stop('blk_oce_core: failed to release workspace arrays') |
---|
| 569 | ! |
---|
[888] | 570 | END SUBROUTINE blk_oce_core |
---|
| 571 | |
---|
| 572 | |
---|
| 573 | SUBROUTINE blk_ice_core( pst , pui , pvi , palb , & |
---|
| 574 | & p_taui, p_tauj, p_qns , p_qsr, & |
---|
| 575 | & p_qla , p_dqns, p_dqla, & |
---|
| 576 | & p_tpr , p_spr , & |
---|
[1270] | 577 | & p_fr1 , p_fr2 , cd_grid, pdim ) |
---|
[888] | 578 | !!--------------------------------------------------------------------- |
---|
| 579 | !! *** ROUTINE blk_ice_core *** |
---|
| 580 | !! |
---|
| 581 | !! ** Purpose : provide the surface boundary condition over sea-ice |
---|
| 582 | !! |
---|
| 583 | !! ** Method : compute momentum, heat and freshwater exchanged |
---|
| 584 | !! between atmosphere and sea-ice using CORE bulk |
---|
| 585 | !! formulea, ice variables and read atmmospheric fields. |
---|
| 586 | !! NB: ice drag coefficient is assumed to be a constant |
---|
| 587 | !! |
---|
| 588 | !! caution : the net upward water flux has with mm/day unit |
---|
| 589 | !!--------------------------------------------------------------------- |
---|
[2715] | 590 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
---|
| 591 | USE wrk_nemo, ONLY: z_wnds_t => wrk_2d_1 ! wind speed ( = | U10m - U_ice | ) at T-point |
---|
| 592 | USE wrk_nemo, ONLY: wrk_3d_4 , wrk_3d_5 , wrk_3d_6 , wrk_3d_7 |
---|
[888] | 593 | !! |
---|
[2715] | 594 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: pst ! ice surface temperature (>0, =rt0 over land) [Kelvin] |
---|
| 595 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pui ! ice surface velocity (i- and i- components [m/s] |
---|
| 596 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pvi ! at I-point (B-grid) or U & V-point (C-grid) |
---|
| 597 | REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: palb ! ice albedo (clear sky) (alb_ice_cs) [%] |
---|
| 598 | REAL(wp), DIMENSION(:,:) , INTENT( out) :: p_taui ! i- & j-components of surface ice stress [N/m2] |
---|
| 599 | REAL(wp), DIMENSION(:,:) , INTENT( out) :: p_tauj ! at I-point (B-grid) or U & V-point (C-grid) |
---|
| 600 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: p_qns ! non solar heat flux over ice (T-point) [W/m2] |
---|
| 601 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: p_qsr ! solar heat flux over ice (T-point) [W/m2] |
---|
| 602 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: p_qla ! latent heat flux over ice (T-point) [W/m2] |
---|
| 603 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: p_dqns ! non solar heat sensistivity (T-point) [W/m2] |
---|
| 604 | REAL(wp), DIMENSION(:,:,:), INTENT( out) :: p_dqla ! latent heat sensistivity (T-point) [W/m2] |
---|
| 605 | REAL(wp), DIMENSION(:,:) , INTENT( out) :: p_tpr ! total precipitation (T-point) [Kg/m2/s] |
---|
| 606 | REAL(wp), DIMENSION(:,:) , INTENT( out) :: p_spr ! solid precipitation (T-point) [Kg/m2/s] |
---|
| 607 | REAL(wp), DIMENSION(:,:) , INTENT( out) :: p_fr1 ! 1sr fraction of qsr penetration in ice (T-point) [%] |
---|
| 608 | REAL(wp), DIMENSION(:,:) , INTENT( out) :: p_fr2 ! 2nd fraction of qsr penetration in ice (T-point) [%] |
---|
| 609 | CHARACTER(len=1) , INTENT(in ) :: cd_grid ! ice grid ( C or B-grid) |
---|
| 610 | INTEGER , INTENT(in ) :: pdim ! number of ice categories |
---|
| 611 | !! |
---|
[888] | 612 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
| 613 | INTEGER :: ijpl ! number of ice categories (size of 3rd dim of input arrays) |
---|
| 614 | REAL(wp) :: zst2, zst3 |
---|
| 615 | REAL(wp) :: zcoef_wnorm, zcoef_wnorm2, zcoef_dqlw, zcoef_dqla, zcoef_dqsb |
---|
[2528] | 616 | REAL(wp) :: zztmp ! temporary variable |
---|
[888] | 617 | REAL(wp) :: zcoef_frca ! fractional cloud amount |
---|
| 618 | REAL(wp) :: zwnorm_f, zwndi_f , zwndj_f ! relative wind module and components at F-point |
---|
| 619 | REAL(wp) :: zwndi_t , zwndj_t ! relative wind components at T-point |
---|
[2715] | 620 | !! |
---|
| 621 | REAL(wp), DIMENSION(:,:,:), POINTER :: z_qlw ! long wave heat flux over ice |
---|
| 622 | REAL(wp), DIMENSION(:,:,:), POINTER :: z_qsb ! sensible heat flux over ice |
---|
| 623 | REAL(wp), DIMENSION(:,:,:), POINTER :: z_dqlw ! long wave heat sensitivity over ice |
---|
| 624 | REAL(wp), DIMENSION(:,:,:), POINTER :: z_dqsb ! sensible heat sensitivity over ice |
---|
[888] | 625 | !!--------------------------------------------------------------------- |
---|
| 626 | |
---|
[1270] | 627 | ijpl = pdim ! number of ice categories |
---|
[888] | 628 | |
---|
[2715] | 629 | ! Set-up access to workspace arrays |
---|
| 630 | IF( wrk_in_use(2, 1) .OR. wrk_in_use(3, 4,5,6,7) ) THEN |
---|
| 631 | CALL ctl_stop('blk_ice_core: requested workspace arrays unavailable') ; RETURN |
---|
| 632 | ELSE IF(ijpl > jpk) THEN |
---|
| 633 | CALL ctl_stop('blk_ice_core: no. of ice categories > jpk so wrk_nemo 3D workspaces cannot be used.') |
---|
| 634 | RETURN |
---|
| 635 | END IF |
---|
| 636 | ! Set-up pointers to sub-arrays of workspaces |
---|
| 637 | z_qlw => wrk_3d_4(:,:,1:ijpl) |
---|
| 638 | z_qsb => wrk_3d_5(:,:,1:ijpl) |
---|
| 639 | z_dqlw => wrk_3d_6(:,:,1:ijpl) |
---|
| 640 | z_dqsb => wrk_3d_7(:,:,1:ijpl) |
---|
| 641 | |
---|
[888] | 642 | ! local scalars ( place there for vector optimisation purposes) |
---|
[2528] | 643 | zcoef_wnorm = rhoa * Cice |
---|
[888] | 644 | zcoef_wnorm2 = rhoa * Cice * 0.5 |
---|
[2528] | 645 | zcoef_dqlw = 4.0 * 0.95 * Stef |
---|
| 646 | zcoef_dqla = -Ls * Cice * 11637800. * (-5897.8) |
---|
| 647 | zcoef_dqsb = rhoa * cpa * Cice |
---|
| 648 | zcoef_frca = 1.0 - 0.3 |
---|
[888] | 649 | |
---|
| 650 | !!gm brutal.... |
---|
| 651 | z_wnds_t(:,:) = 0.e0 |
---|
| 652 | p_taui (:,:) = 0.e0 |
---|
| 653 | p_tauj (:,:) = 0.e0 |
---|
| 654 | !!gm end |
---|
| 655 | |
---|
[2777] | 656 | #if defined key_lim3 |
---|
| 657 | tatm_ice(:,:) = sf(jp_tair)%fnow(:,:,1) ! LIM3: make Tair available in sea-ice. WARNING allocated after call to ice_init |
---|
| 658 | #endif |
---|
[888] | 659 | ! ----------------------------------------------------------------------------- ! |
---|
| 660 | ! Wind components and module relative to the moving ocean ( U10m - U_ice ) ! |
---|
| 661 | ! ----------------------------------------------------------------------------- ! |
---|
| 662 | SELECT CASE( cd_grid ) |
---|
[2528] | 663 | CASE( 'I' ) ! B-grid ice dynamics : I-point (i.e. F-point with sea-ice indexation) |
---|
[888] | 664 | ! and scalar wind at T-point ( = | U10m - U_ice | ) (masked) |
---|
| 665 | !CDIR NOVERRCHK |
---|
| 666 | DO jj = 2, jpjm1 |
---|
[2528] | 667 | DO ji = 2, jpim1 ! B grid : NO vector opt |
---|
[888] | 668 | ! ... scalar wind at I-point (fld being at T-point) |
---|
[2528] | 669 | zwndi_f = 0.25 * ( sf(jp_wndi)%fnow(ji-1,jj ,1) + sf(jp_wndi)%fnow(ji ,jj ,1) & |
---|
| 670 | & + sf(jp_wndi)%fnow(ji-1,jj-1,1) + sf(jp_wndi)%fnow(ji ,jj-1,1) ) - pui(ji,jj) |
---|
| 671 | zwndj_f = 0.25 * ( sf(jp_wndj)%fnow(ji-1,jj ,1) + sf(jp_wndj)%fnow(ji ,jj ,1) & |
---|
| 672 | & + sf(jp_wndj)%fnow(ji-1,jj-1,1) + sf(jp_wndj)%fnow(ji ,jj-1,1) ) - pvi(ji,jj) |
---|
[888] | 673 | zwnorm_f = zcoef_wnorm * SQRT( zwndi_f * zwndi_f + zwndj_f * zwndj_f ) |
---|
| 674 | ! ... ice stress at I-point |
---|
| 675 | p_taui(ji,jj) = zwnorm_f * zwndi_f |
---|
| 676 | p_tauj(ji,jj) = zwnorm_f * zwndj_f |
---|
| 677 | ! ... scalar wind at T-point (fld being at T-point) |
---|
[2528] | 678 | zwndi_t = sf(jp_wndi)%fnow(ji,jj,1) - 0.25 * ( pui(ji,jj+1) + pui(ji+1,jj+1) & |
---|
| 679 | & + pui(ji,jj ) + pui(ji+1,jj ) ) |
---|
| 680 | zwndj_t = sf(jp_wndj)%fnow(ji,jj,1) - 0.25 * ( pvi(ji,jj+1) + pvi(ji+1,jj+1) & |
---|
| 681 | & + pvi(ji,jj ) + pvi(ji+1,jj ) ) |
---|
[888] | 682 | z_wnds_t(ji,jj) = SQRT( zwndi_t * zwndi_t + zwndj_t * zwndj_t ) * tmask(ji,jj,1) |
---|
| 683 | END DO |
---|
| 684 | END DO |
---|
| 685 | CALL lbc_lnk( p_taui , 'I', -1. ) |
---|
| 686 | CALL lbc_lnk( p_tauj , 'I', -1. ) |
---|
| 687 | CALL lbc_lnk( z_wnds_t, 'T', 1. ) |
---|
| 688 | ! |
---|
| 689 | CASE( 'C' ) ! C-grid ice dynamics : U & V-points (same as ocean) |
---|
| 690 | #if defined key_vectopt_loop |
---|
| 691 | !CDIR COLLAPSE |
---|
| 692 | #endif |
---|
| 693 | DO jj = 2, jpj |
---|
| 694 | DO ji = fs_2, jpi ! vect. opt. |
---|
[2528] | 695 | zwndi_t = ( sf(jp_wndi)%fnow(ji,jj,1) - 0.5 * ( pui(ji-1,jj ) + pui(ji,jj) ) ) |
---|
| 696 | zwndj_t = ( sf(jp_wndj)%fnow(ji,jj,1) - 0.5 * ( pvi(ji ,jj-1) + pvi(ji,jj) ) ) |
---|
[888] | 697 | z_wnds_t(ji,jj) = SQRT( zwndi_t * zwndi_t + zwndj_t * zwndj_t ) * tmask(ji,jj,1) |
---|
| 698 | END DO |
---|
| 699 | END DO |
---|
| 700 | #if defined key_vectopt_loop |
---|
| 701 | !CDIR COLLAPSE |
---|
| 702 | #endif |
---|
| 703 | DO jj = 2, jpjm1 |
---|
| 704 | DO ji = fs_2, fs_jpim1 ! vect. opt. |
---|
[2528] | 705 | p_taui(ji,jj) = zcoef_wnorm2 * ( z_wnds_t(ji+1,jj ) + z_wnds_t(ji,jj) ) & |
---|
| 706 | & * ( 0.5 * (sf(jp_wndi)%fnow(ji+1,jj,1) + sf(jp_wndi)%fnow(ji,jj,1) ) - pui(ji,jj) ) |
---|
| 707 | p_tauj(ji,jj) = zcoef_wnorm2 * ( z_wnds_t(ji,jj+1 ) + z_wnds_t(ji,jj) ) & |
---|
| 708 | & * ( 0.5 * (sf(jp_wndj)%fnow(ji,jj+1,1) + sf(jp_wndj)%fnow(ji,jj,1) ) - pvi(ji,jj) ) |
---|
[888] | 709 | END DO |
---|
| 710 | END DO |
---|
| 711 | CALL lbc_lnk( p_taui , 'U', -1. ) |
---|
| 712 | CALL lbc_lnk( p_tauj , 'V', -1. ) |
---|
| 713 | CALL lbc_lnk( z_wnds_t, 'T', 1. ) |
---|
| 714 | ! |
---|
| 715 | END SELECT |
---|
| 716 | |
---|
[2528] | 717 | zztmp = 1. / ( 1. - albo ) |
---|
[888] | 718 | ! ! ========================== ! |
---|
| 719 | DO jl = 1, ijpl ! Loop over ice categories ! |
---|
| 720 | ! ! ========================== ! |
---|
| 721 | !CDIR NOVERRCHK |
---|
| 722 | !CDIR COLLAPSE |
---|
| 723 | DO jj = 1 , jpj |
---|
| 724 | !CDIR NOVERRCHK |
---|
| 725 | DO ji = 1, jpi |
---|
| 726 | ! ----------------------------! |
---|
| 727 | ! I Radiative FLUXES ! |
---|
| 728 | ! ----------------------------! |
---|
| 729 | zst2 = pst(ji,jj,jl) * pst(ji,jj,jl) |
---|
| 730 | zst3 = pst(ji,jj,jl) * zst2 |
---|
| 731 | ! Short Wave (sw) |
---|
[2528] | 732 | p_qsr(ji,jj,jl) = zztmp * ( 1. - palb(ji,jj,jl) ) * qsr(ji,jj) |
---|
[888] | 733 | ! Long Wave (lw) |
---|
[2528] | 734 | z_qlw(ji,jj,jl) = 0.95 * ( sf(jp_qlw)%fnow(ji,jj,1) - Stef * pst(ji,jj,jl) * zst3 ) * tmask(ji,jj,1) |
---|
[888] | 735 | ! lw sensitivity |
---|
| 736 | z_dqlw(ji,jj,jl) = zcoef_dqlw * zst3 |
---|
| 737 | |
---|
| 738 | ! ----------------------------! |
---|
| 739 | ! II Turbulent FLUXES ! |
---|
| 740 | ! ----------------------------! |
---|
| 741 | |
---|
| 742 | ! ... turbulent heat fluxes |
---|
| 743 | ! Sensible Heat |
---|
[2528] | 744 | z_qsb(ji,jj,jl) = rhoa * cpa * Cice * z_wnds_t(ji,jj) * ( pst(ji,jj,jl) - sf(jp_tair)%fnow(ji,jj,1) ) |
---|
[888] | 745 | ! Latent Heat |
---|
| 746 | p_qla(ji,jj,jl) = MAX( 0.e0, rhoa * Ls * Cice * z_wnds_t(ji,jj) & |
---|
[2528] | 747 | & * ( 11637800. * EXP( -5897.8 / pst(ji,jj,jl) ) / rhoa - sf(jp_humi)%fnow(ji,jj,1) ) ) |
---|
[888] | 748 | ! Latent heat sensitivity for ice (Dqla/Dt) |
---|
| 749 | p_dqla(ji,jj,jl) = zcoef_dqla * z_wnds_t(ji,jj) / ( zst2 ) * EXP( -5897.8 / pst(ji,jj,jl) ) |
---|
| 750 | ! Sensible heat sensitivity (Dqsb_ice/Dtn_ice) |
---|
| 751 | z_dqsb(ji,jj,jl) = zcoef_dqsb * z_wnds_t(ji,jj) |
---|
| 752 | |
---|
| 753 | ! ----------------------------! |
---|
| 754 | ! III Total FLUXES ! |
---|
| 755 | ! ----------------------------! |
---|
| 756 | ! Downward Non Solar flux |
---|
| 757 | p_qns (ji,jj,jl) = z_qlw (ji,jj,jl) - z_qsb (ji,jj,jl) - p_qla (ji,jj,jl) |
---|
| 758 | ! Total non solar heat flux sensitivity for ice |
---|
| 759 | p_dqns(ji,jj,jl) = - ( z_dqlw(ji,jj,jl) + z_dqsb(ji,jj,jl) + p_dqla(ji,jj,jl) ) |
---|
| 760 | END DO |
---|
| 761 | ! |
---|
| 762 | END DO |
---|
| 763 | ! |
---|
| 764 | END DO |
---|
| 765 | ! |
---|
| 766 | !-------------------------------------------------------------------- |
---|
| 767 | ! FRACTIONs of net shortwave radiation which is not absorbed in the |
---|
| 768 | ! thin surface layer and penetrates inside the ice cover |
---|
| 769 | ! ( Maykut and Untersteiner, 1971 ; Ebert and Curry, 1993 ) |
---|
| 770 | |
---|
| 771 | !CDIR COLLAPSE |
---|
| 772 | p_fr1(:,:) = ( 0.18 * ( 1.0 - zcoef_frca ) + 0.35 * zcoef_frca ) |
---|
| 773 | !CDIR COLLAPSE |
---|
| 774 | p_fr2(:,:) = ( 0.82 * ( 1.0 - zcoef_frca ) + 0.65 * zcoef_frca ) |
---|
| 775 | |
---|
| 776 | !CDIR COLLAPSE |
---|
[2528] | 777 | p_tpr(:,:) = sf(jp_prec)%fnow(:,:,1) * rn_pfac ! total precipitation [kg/m2/s] |
---|
[888] | 778 | !CDIR COLLAPSE |
---|
[2528] | 779 | p_spr(:,:) = sf(jp_snow)%fnow(:,:,1) * rn_pfac ! solid precipitation [kg/m2/s] |
---|
[1601] | 780 | CALL iom_put( 'snowpre', p_spr ) ! Snow precipitation |
---|
[888] | 781 | ! |
---|
| 782 | IF(ln_ctl) THEN |
---|
| 783 | CALL prt_ctl(tab3d_1=p_qla , clinfo1=' blk_ice_core: p_qla : ', tab3d_2=z_qsb , clinfo2=' z_qsb : ', kdim=ijpl) |
---|
| 784 | CALL prt_ctl(tab3d_1=z_qlw , clinfo1=' blk_ice_core: z_qlw : ', tab3d_2=p_dqla , clinfo2=' p_dqla : ', kdim=ijpl) |
---|
| 785 | CALL prt_ctl(tab3d_1=z_dqsb , clinfo1=' blk_ice_core: z_dqsb : ', tab3d_2=z_dqlw , clinfo2=' z_dqlw : ', kdim=ijpl) |
---|
| 786 | CALL prt_ctl(tab3d_1=p_dqns , clinfo1=' blk_ice_core: p_dqns : ', tab3d_2=p_qsr , clinfo2=' p_qsr : ', kdim=ijpl) |
---|
| 787 | CALL prt_ctl(tab3d_1=pst , clinfo1=' blk_ice_core: pst : ', tab3d_2=p_qns , clinfo2=' p_qns : ', kdim=ijpl) |
---|
| 788 | CALL prt_ctl(tab2d_1=p_tpr , clinfo1=' blk_ice_core: p_tpr : ', tab2d_2=p_spr , clinfo2=' p_spr : ') |
---|
| 789 | CALL prt_ctl(tab2d_1=p_taui , clinfo1=' blk_ice_core: p_taui : ', tab2d_2=p_tauj , clinfo2=' p_tauj : ') |
---|
| 790 | CALL prt_ctl(tab2d_1=z_wnds_t, clinfo1=' blk_ice_core: z_wnds_t : ') |
---|
| 791 | ENDIF |
---|
| 792 | |
---|
[2715] | 793 | IF( wrk_not_released(2, 1) .OR. & |
---|
| 794 | wrk_not_released(3, 4,5,6,7) ) CALL ctl_stop('blk_ice_core: failed to release workspace arrays') |
---|
| 795 | ! |
---|
[888] | 796 | END SUBROUTINE blk_ice_core |
---|
| 797 | |
---|
| 798 | |
---|
| 799 | SUBROUTINE TURB_CORE_1Z(zu, sst, T_a, q_sat, q_a, & |
---|
[2715] | 800 | & dU , Cd , Ch , Ce ) |
---|
[888] | 801 | !!---------------------------------------------------------------------- |
---|
| 802 | !! *** ROUTINE turb_core *** |
---|
| 803 | !! |
---|
| 804 | !! ** Purpose : Computes turbulent transfert coefficients of surface |
---|
| 805 | !! fluxes according to Large & Yeager (2004) |
---|
| 806 | !! |
---|
| 807 | !! ** Method : I N E R T I A L D I S S I P A T I O N M E T H O D |
---|
| 808 | !! Momentum, Latent and sensible heat exchange coefficients |
---|
| 809 | !! Caution: this procedure should only be used in cases when air |
---|
| 810 | !! temperature (T_air), air specific humidity (q_air) and wind (dU) |
---|
| 811 | !! are provided at the same height 'zzu'! |
---|
| 812 | !! |
---|
[2715] | 813 | !! References : Large & Yeager, 2004 : ??? |
---|
[888] | 814 | !!---------------------------------------------------------------------- |
---|
[2715] | 815 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released, iwrk_in_use, iwrk_not_released |
---|
| 816 | USE wrk_nemo, ONLY: dU10 => wrk_2d_14 ! dU [m/s] |
---|
| 817 | USE wrk_nemo, ONLY: dT => wrk_2d_15 ! air/sea temperature difference [K] |
---|
| 818 | USE wrk_nemo, ONLY: dq => wrk_2d_16 ! air/sea humidity difference [K] |
---|
| 819 | USE wrk_nemo, ONLY: Cd_n10 => wrk_2d_17 ! 10m neutral drag coefficient |
---|
| 820 | USE wrk_nemo, ONLY: Ce_n10 => wrk_2d_18 ! 10m neutral latent coefficient |
---|
| 821 | USE wrk_nemo, ONLY: Ch_n10 => wrk_2d_19 ! 10m neutral sensible coefficient |
---|
| 822 | USE wrk_nemo, ONLY: sqrt_Cd_n10 => wrk_2d_20 ! root square of Cd_n10 |
---|
| 823 | USE wrk_nemo, ONLY: sqrt_Cd => wrk_2d_21 ! root square of Cd |
---|
| 824 | USE wrk_nemo, ONLY: T_vpot => wrk_2d_22 ! virtual potential temperature [K] |
---|
| 825 | USE wrk_nemo, ONLY: T_star => wrk_2d_23 ! turbulent scale of tem. fluct. |
---|
| 826 | USE wrk_nemo, ONLY: q_star => wrk_2d_24 ! turbulent humidity of temp. fluct. |
---|
| 827 | USE wrk_nemo, ONLY: U_star => wrk_2d_25 ! turb. scale of velocity fluct. |
---|
| 828 | USE wrk_nemo, ONLY: L => wrk_2d_26 ! Monin-Obukov length [m] |
---|
| 829 | USE wrk_nemo, ONLY: zeta => wrk_2d_27 ! stability parameter at height zu |
---|
| 830 | USE wrk_nemo, ONLY: U_n10 => wrk_2d_28 ! neutral wind velocity at 10m [m] |
---|
| 831 | USE wrk_nemo, ONLY: xlogt => wrk_2d_29, xct => wrk_2d_30, & |
---|
| 832 | zpsi_h => wrk_2d_31, zpsi_m => wrk_2d_32 |
---|
| 833 | USE wrk_nemo, ONLY: stab => iwrk_2d_1 ! 1st guess stability test integer |
---|
| 834 | ! |
---|
| 835 | REAL(wp) , INTENT(in ) :: zu ! altitude of wind measurement [m] |
---|
| 836 | REAL(wp), DIMENSION(:,:), INTENT(in ) :: sst ! sea surface temperature [Kelvin] |
---|
| 837 | REAL(wp), DIMENSION(:,:), INTENT(in ) :: T_a ! potential air temperature [Kelvin] |
---|
| 838 | REAL(wp), DIMENSION(:,:), INTENT(in ) :: q_sat ! sea surface specific humidity [kg/kg] |
---|
| 839 | REAL(wp), DIMENSION(:,:), INTENT(in ) :: q_a ! specific air humidity [kg/kg] |
---|
| 840 | REAL(wp), DIMENSION(:,:), INTENT(in ) :: dU ! wind module |U(zu)-U(0)| [m/s] |
---|
| 841 | REAL(wp), DIMENSION(:,:), INTENT( out) :: Cd ! transfert coefficient for momentum (tau) |
---|
| 842 | REAL(wp), DIMENSION(:,:), INTENT( out) :: Ch ! transfert coefficient for temperature (Q_sens) |
---|
| 843 | REAL(wp), DIMENSION(:,:), INTENT( out) :: Ce ! transfert coefficient for evaporation (Q_lat) |
---|
[888] | 844 | !! |
---|
| 845 | INTEGER :: j_itt |
---|
[2715] | 846 | INTEGER , PARAMETER :: nb_itt = 3 |
---|
| 847 | REAL(wp), PARAMETER :: grav = 9.8 ! gravity |
---|
| 848 | REAL(wp), PARAMETER :: kappa = 0.4 ! von Karman s constant |
---|
| 849 | !!---------------------------------------------------------------------- |
---|
[888] | 850 | |
---|
[2715] | 851 | IF( wrk_in_use(2, 14,15,16,17,18,19, & |
---|
| 852 | 20,21,22,23,24,25,26,27,28,29, & |
---|
| 853 | 30,31,32) .OR. & |
---|
| 854 | iwrk_in_use(2, 1) ) THEN |
---|
| 855 | CALL ctl_stop('TURB_CORE_1Z: requested workspace arrays unavailable') ; RETURN |
---|
| 856 | ENDIF |
---|
| 857 | |
---|
[888] | 858 | !! * Start |
---|
| 859 | !! Air/sea differences |
---|
| 860 | dU10 = max(0.5, dU) ! we don't want to fall under 0.5 m/s |
---|
| 861 | dT = T_a - sst ! assuming that T_a is allready the potential temp. at zzu |
---|
| 862 | dq = q_a - q_sat |
---|
| 863 | !! |
---|
| 864 | !! Virtual potential temperature |
---|
| 865 | T_vpot = T_a*(1. + 0.608*q_a) |
---|
| 866 | !! |
---|
| 867 | !! Neutral Drag Coefficient |
---|
| 868 | stab = 0.5 + sign(0.5,dT) ! stable : stab = 1 ; unstable : stab = 0 |
---|
| 869 | Cd_n10 = 1E-3 * ( 2.7/dU10 + 0.142 + dU10/13.09 ) ! L & Y eq. (6a) |
---|
| 870 | sqrt_Cd_n10 = sqrt(Cd_n10) |
---|
| 871 | Ce_n10 = 1E-3 * ( 34.6 * sqrt_Cd_n10 ) ! L & Y eq. (6b) |
---|
| 872 | Ch_n10 = 1E-3*sqrt_Cd_n10*(18*stab + 32.7*(1-stab)) ! L & Y eq. (6c), (6d) |
---|
| 873 | !! |
---|
| 874 | !! Initializing transfert coefficients with their first guess neutral equivalents : |
---|
| 875 | Cd = Cd_n10 ; Ce = Ce_n10 ; Ch = Ch_n10 ; sqrt_Cd = sqrt(Cd) |
---|
| 876 | |
---|
| 877 | !! * Now starting iteration loop |
---|
| 878 | DO j_itt=1, nb_itt |
---|
| 879 | !! Turbulent scales : |
---|
| 880 | U_star = sqrt_Cd*dU10 ! L & Y eq. (7a) |
---|
| 881 | T_star = Ch/sqrt_Cd*dT ! L & Y eq. (7b) |
---|
| 882 | q_star = Ce/sqrt_Cd*dq ! L & Y eq. (7c) |
---|
| 883 | |
---|
| 884 | !! Estimate the Monin-Obukov length : |
---|
| 885 | L = (U_star**2)/( kappa*grav*(T_star/T_vpot + q_star/(q_a + 1./0.608)) ) |
---|
| 886 | |
---|
| 887 | !! Stability parameters : |
---|
[2715] | 888 | zeta = zu/L ; zeta = sign( min(abs(zeta),10.0), zeta ) |
---|
| 889 | zpsi_h = psi_h(zeta) |
---|
| 890 | zpsi_m = psi_m(zeta) |
---|
[888] | 891 | |
---|
| 892 | !! Shifting the wind speed to 10m and neutral stability : |
---|
| 893 | U_n10 = dU10*1./(1. + sqrt_Cd_n10/kappa*(log(zu/10.) - zpsi_m)) ! L & Y eq. (9a) |
---|
| 894 | |
---|
| 895 | !! Updating the neutral 10m transfer coefficients : |
---|
| 896 | Cd_n10 = 1E-3 * (2.7/U_n10 + 0.142 + U_n10/13.09) ! L & Y eq. (6a) |
---|
| 897 | sqrt_Cd_n10 = sqrt(Cd_n10) |
---|
| 898 | Ce_n10 = 1E-3 * (34.6 * sqrt_Cd_n10) ! L & Y eq. (6b) |
---|
| 899 | stab = 0.5 + sign(0.5,zeta) |
---|
| 900 | Ch_n10 = 1E-3*sqrt_Cd_n10*(18.*stab + 32.7*(1-stab)) ! L & Y eq. (6c), (6d) |
---|
| 901 | |
---|
| 902 | !! Shifting the neutral 10m transfer coefficients to ( zu , zeta ) : |
---|
| 903 | !! |
---|
| 904 | xct = 1. + sqrt_Cd_n10/kappa*(log(zu/10) - zpsi_m) |
---|
| 905 | Cd = Cd_n10/(xct*xct) ; sqrt_Cd = sqrt(Cd) |
---|
| 906 | !! |
---|
| 907 | xlogt = log(zu/10.) - zpsi_h |
---|
| 908 | !! |
---|
| 909 | xct = 1. + Ch_n10*xlogt/kappa/sqrt_Cd_n10 |
---|
| 910 | Ch = Ch_n10*sqrt_Cd/sqrt_Cd_n10/xct |
---|
| 911 | !! |
---|
| 912 | xct = 1. + Ce_n10*xlogt/kappa/sqrt_Cd_n10 |
---|
| 913 | Ce = Ce_n10*sqrt_Cd/sqrt_Cd_n10/xct |
---|
| 914 | !! |
---|
| 915 | END DO |
---|
| 916 | !! |
---|
[2715] | 917 | IF( wrk_not_released(2, 14,15,16,17,18,19, & |
---|
| 918 | & 20,21,22,23,24,25,26,27,28,29, & |
---|
| 919 | & 30,31,32 ) .OR. & |
---|
| 920 | iwrk_not_released(2, 1) ) & |
---|
| 921 | CALL ctl_stop('TURB_CORE_1Z: failed to release workspace arrays') |
---|
| 922 | ! |
---|
[888] | 923 | END SUBROUTINE TURB_CORE_1Z |
---|
| 924 | |
---|
| 925 | |
---|
| 926 | SUBROUTINE TURB_CORE_2Z(zt, zu, sst, T_zt, q_sat, q_zt, dU, Cd, Ch, Ce, T_zu, q_zu) |
---|
| 927 | !!---------------------------------------------------------------------- |
---|
| 928 | !! *** ROUTINE turb_core *** |
---|
| 929 | !! |
---|
| 930 | !! ** Purpose : Computes turbulent transfert coefficients of surface |
---|
| 931 | !! fluxes according to Large & Yeager (2004). |
---|
| 932 | !! |
---|
| 933 | !! ** Method : I N E R T I A L D I S S I P A T I O N M E T H O D |
---|
| 934 | !! Momentum, Latent and sensible heat exchange coefficients |
---|
| 935 | !! Caution: this procedure should only be used in cases when air |
---|
| 936 | !! temperature (T_air) and air specific humidity (q_air) are at 2m |
---|
| 937 | !! whereas wind (dU) is at 10m. |
---|
| 938 | !! |
---|
[2715] | 939 | !! References : Large & Yeager, 2004 : ??? |
---|
[888] | 940 | !!---------------------------------------------------------------------- |
---|
[2715] | 941 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released, iwrk_in_use, iwrk_not_released |
---|
[2748] | 942 | USE wrk_nemo, ONLY: dU10 => wrk_2d_14 ! dU [m/s] |
---|
| 943 | USE wrk_nemo, ONLY: dT => wrk_2d_15 ! air/sea temperature difference [K] |
---|
| 944 | USE wrk_nemo, ONLY: dq => wrk_2d_16 ! air/sea humidity difference [K] |
---|
| 945 | USE wrk_nemo, ONLY: Cd_n10 => wrk_2d_17 ! 10m neutral drag coefficient |
---|
| 946 | USE wrk_nemo, ONLY: Ce_n10 => wrk_2d_18 ! 10m neutral latent coefficient |
---|
| 947 | USE wrk_nemo, ONLY: Ch_n10 => wrk_2d_19 ! 10m neutral sensible coefficient |
---|
| 948 | USE wrk_nemo, ONLY: sqrt_Cd_n10 => wrk_2d_20 ! root square of Cd_n10 |
---|
| 949 | USE wrk_nemo, ONLY: sqrt_Cd => wrk_2d_21 ! root square of Cd |
---|
| 950 | USE wrk_nemo, ONLY: T_vpot => wrk_2d_22 ! virtual potential temperature [K] |
---|
| 951 | USE wrk_nemo, ONLY: T_star => wrk_2d_23 ! turbulent scale of tem. fluct. |
---|
| 952 | USE wrk_nemo, ONLY: q_star => wrk_2d_24 ! turbulent humidity of temp. fluct. |
---|
| 953 | USE wrk_nemo, ONLY: U_star => wrk_2d_25 ! turb. scale of velocity fluct. |
---|
| 954 | USE wrk_nemo, ONLY: L => wrk_2d_26 ! Monin-Obukov length [m] |
---|
| 955 | USE wrk_nemo, ONLY: zeta_u => wrk_2d_27 ! stability parameter at height zu |
---|
| 956 | USE wrk_nemo, ONLY: zeta_t => wrk_2d_28 ! stability parameter at height zt |
---|
| 957 | USE wrk_nemo, ONLY: U_n10 => wrk_2d_29 ! neutral wind velocity at 10m [m] |
---|
| 958 | USE wrk_nemo, ONLY: xlogt => wrk_2d_30, xct => wrk_2d_31, zpsi_hu => wrk_2d_32, zpsi_ht => wrk_2d_33, zpsi_m => wrk_2d_34 |
---|
[2715] | 959 | USE wrk_nemo, ONLY: stab => iwrk_2d_1 ! 1st guess stability test integer |
---|
| 960 | !! |
---|
[888] | 961 | REAL(wp), INTENT(in) :: & |
---|
| 962 | zt, & ! height for T_zt and q_zt [m] |
---|
| 963 | zu ! height for dU [m] |
---|
| 964 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj) :: & |
---|
| 965 | sst, & ! sea surface temperature [Kelvin] |
---|
| 966 | T_zt, & ! potential air temperature [Kelvin] |
---|
| 967 | q_sat, & ! sea surface specific humidity [kg/kg] |
---|
| 968 | q_zt, & ! specific air humidity [kg/kg] |
---|
| 969 | dU ! relative wind module |U(zu)-U(0)| [m/s] |
---|
| 970 | REAL(wp), INTENT(out), DIMENSION(jpi,jpj) :: & |
---|
| 971 | Cd, & ! transfer coefficient for momentum (tau) |
---|
| 972 | Ch, & ! transfer coefficient for sensible heat (Q_sens) |
---|
| 973 | Ce, & ! transfert coefficient for evaporation (Q_lat) |
---|
| 974 | T_zu, & ! air temp. shifted at zu [K] |
---|
| 975 | q_zu ! spec. hum. shifted at zu [kg/kg] |
---|
| 976 | |
---|
| 977 | INTEGER :: j_itt |
---|
| 978 | INTEGER, PARAMETER :: nb_itt = 3 ! number of itterations |
---|
| 979 | REAL(wp), PARAMETER :: & |
---|
| 980 | grav = 9.8, & ! gravity |
---|
| 981 | kappa = 0.4 ! von Karman's constant |
---|
[2528] | 982 | !!---------------------------------------------------------------------- |
---|
[888] | 983 | !! * Start |
---|
| 984 | |
---|
[2748] | 985 | IF( wrk_in_use(2, 14,15,16,17,18,19, & |
---|
| 986 | 20,21,22,23,24,25,26,27,28,29, & |
---|
| 987 | 30,31,32,33,34) .OR. & |
---|
| 988 | iwrk_in_use(2, 1) ) THEN |
---|
[2715] | 989 | CALL ctl_stop('TURB_CORE_2Z: requested workspace arrays unavailable') ; RETURN |
---|
[2748] | 990 | ENDIF |
---|
[2715] | 991 | |
---|
[888] | 992 | !! Initial air/sea differences |
---|
| 993 | dU10 = max(0.5, dU) ! we don't want to fall under 0.5 m/s |
---|
| 994 | dT = T_zt - sst |
---|
| 995 | dq = q_zt - q_sat |
---|
| 996 | |
---|
| 997 | !! Neutral Drag Coefficient : |
---|
| 998 | stab = 0.5 + sign(0.5,dT) ! stab = 1 if dT > 0 -> STABLE |
---|
| 999 | Cd_n10 = 1E-3*( 2.7/dU10 + 0.142 + dU10/13.09 ) |
---|
| 1000 | sqrt_Cd_n10 = sqrt(Cd_n10) |
---|
| 1001 | Ce_n10 = 1E-3*( 34.6 * sqrt_Cd_n10 ) |
---|
| 1002 | Ch_n10 = 1E-3*sqrt_Cd_n10*(18*stab + 32.7*(1 - stab)) |
---|
| 1003 | |
---|
| 1004 | !! Initializing transf. coeff. with their first guess neutral equivalents : |
---|
| 1005 | Cd = Cd_n10 ; Ce = Ce_n10 ; Ch = Ch_n10 ; sqrt_Cd = sqrt(Cd) |
---|
| 1006 | |
---|
| 1007 | !! Initializing z_u values with z_t values : |
---|
| 1008 | T_zu = T_zt ; q_zu = q_zt |
---|
| 1009 | |
---|
| 1010 | !! * Now starting iteration loop |
---|
| 1011 | DO j_itt=1, nb_itt |
---|
| 1012 | dT = T_zu - sst ; dq = q_zu - q_sat ! Updating air/sea differences |
---|
[2715] | 1013 | T_vpot = T_zu*(1. + 0.608*q_zu) ! Updating virtual potential temperature at zu |
---|
[888] | 1014 | U_star = sqrt_Cd*dU10 ! Updating turbulent scales : (L & Y eq. (7)) |
---|
| 1015 | T_star = Ch/sqrt_Cd*dT ! |
---|
| 1016 | q_star = Ce/sqrt_Cd*dq ! |
---|
| 1017 | !! |
---|
| 1018 | L = (U_star*U_star) & ! Estimate the Monin-Obukov length at height zu |
---|
[2715] | 1019 | & / (kappa*grav/T_vpot*(T_star*(1.+0.608*q_zu) + 0.608*T_zu*q_star)) |
---|
[888] | 1020 | !! Stability parameters : |
---|
| 1021 | zeta_u = zu/L ; zeta_u = sign( min(abs(zeta_u),10.0), zeta_u ) |
---|
| 1022 | zeta_t = zt/L ; zeta_t = sign( min(abs(zeta_t),10.0), zeta_t ) |
---|
| 1023 | zpsi_hu = psi_h(zeta_u) |
---|
| 1024 | zpsi_ht = psi_h(zeta_t) |
---|
| 1025 | zpsi_m = psi_m(zeta_u) |
---|
| 1026 | !! |
---|
| 1027 | !! Shifting the wind speed to 10m and neutral stability : (L & Y eq.(9a)) |
---|
| 1028 | ! U_n10 = dU10/(1. + sqrt_Cd_n10/kappa*(log(zu/10.) - psi_m(zeta_u))) |
---|
| 1029 | U_n10 = dU10/(1. + sqrt_Cd_n10/kappa*(log(zu/10.) - zpsi_m)) |
---|
| 1030 | !! |
---|
| 1031 | !! Shifting temperature and humidity at zu : (L & Y eq. (9b-9c)) |
---|
| 1032 | ! T_zu = T_zt - T_star/kappa*(log(zt/zu) + psi_h(zeta_u) - psi_h(zeta_t)) |
---|
| 1033 | T_zu = T_zt - T_star/kappa*(log(zt/zu) + zpsi_hu - zpsi_ht) |
---|
| 1034 | ! q_zu = q_zt - q_star/kappa*(log(zt/zu) + psi_h(zeta_u) - psi_h(zeta_t)) |
---|
| 1035 | q_zu = q_zt - q_star/kappa*(log(zt/zu) + zpsi_hu - zpsi_ht) |
---|
| 1036 | !! |
---|
| 1037 | !! q_zu cannot have a negative value : forcing 0 |
---|
| 1038 | stab = 0.5 + sign(0.5,q_zu) ; q_zu = stab*q_zu |
---|
| 1039 | !! |
---|
| 1040 | !! Updating the neutral 10m transfer coefficients : |
---|
| 1041 | Cd_n10 = 1E-3 * (2.7/U_n10 + 0.142 + U_n10/13.09) ! L & Y eq. (6a) |
---|
| 1042 | sqrt_Cd_n10 = sqrt(Cd_n10) |
---|
| 1043 | Ce_n10 = 1E-3 * (34.6 * sqrt_Cd_n10) ! L & Y eq. (6b) |
---|
| 1044 | stab = 0.5 + sign(0.5,zeta_u) |
---|
| 1045 | Ch_n10 = 1E-3*sqrt_Cd_n10*(18.*stab + 32.7*(1-stab)) ! L & Y eq. (6c-6d) |
---|
| 1046 | !! |
---|
| 1047 | !! |
---|
| 1048 | !! Shifting the neutral 10m transfer coefficients to (zu,zeta_u) : |
---|
| 1049 | ! xct = 1. + sqrt_Cd_n10/kappa*(log(zu/10.) - psi_m(zeta_u)) |
---|
| 1050 | xct = 1. + sqrt_Cd_n10/kappa*(log(zu/10.) - zpsi_m) |
---|
| 1051 | Cd = Cd_n10/(xct*xct) ; sqrt_Cd = sqrt(Cd) |
---|
| 1052 | !! |
---|
| 1053 | ! xlogt = log(zu/10.) - psi_h(zeta_u) |
---|
| 1054 | xlogt = log(zu/10.) - zpsi_hu |
---|
| 1055 | !! |
---|
| 1056 | xct = 1. + Ch_n10*xlogt/kappa/sqrt_Cd_n10 |
---|
| 1057 | Ch = Ch_n10*sqrt_Cd/sqrt_Cd_n10/xct |
---|
| 1058 | !! |
---|
| 1059 | xct = 1. + Ce_n10*xlogt/kappa/sqrt_Cd_n10 |
---|
| 1060 | Ce = Ce_n10*sqrt_Cd/sqrt_Cd_n10/xct |
---|
| 1061 | !! |
---|
| 1062 | !! |
---|
| 1063 | END DO |
---|
| 1064 | !! |
---|
[2748] | 1065 | IF( wrk_not_released(2, 14,15,16,17,18,19, & |
---|
| 1066 | & 20,21,22,23,24,25,26,27,28,29, & |
---|
| 1067 | & 30,31,32,33,34 ) .OR. & |
---|
| 1068 | iwrk_not_released(2, 1) ) & |
---|
[2777] | 1069 | CALL ctl_stop('TURB_CORE_2Z: failed to release workspace arrays') |
---|
[2715] | 1070 | ! |
---|
[888] | 1071 | END SUBROUTINE TURB_CORE_2Z |
---|
| 1072 | |
---|
| 1073 | |
---|
| 1074 | FUNCTION psi_m(zta) !! Psis, L & Y eq. (8c), (8d), (8e) |
---|
[2715] | 1075 | !------------------------------------------------------------------------------- |
---|
| 1076 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
---|
[2748] | 1077 | USE wrk_nemo, ONLY: X2 => wrk_2d_35 |
---|
| 1078 | USE wrk_nemo, ONLY: X => wrk_2d_36 |
---|
| 1079 | USE wrk_nemo, ONLY: stabit => wrk_2d_37 |
---|
[2715] | 1080 | !! |
---|
[888] | 1081 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in) :: zta |
---|
| 1082 | |
---|
| 1083 | REAL(wp), PARAMETER :: pi = 3.141592653589793_wp |
---|
| 1084 | REAL(wp), DIMENSION(jpi,jpj) :: psi_m |
---|
[2715] | 1085 | !------------------------------------------------------------------------------- |
---|
| 1086 | |
---|
[2748] | 1087 | IF( wrk_in_use(2, 35,36,37) ) THEN |
---|
[2715] | 1088 | CALL ctl_stop('psi_m: requested workspace arrays unavailable') ; RETURN |
---|
| 1089 | ENDIF |
---|
| 1090 | |
---|
[888] | 1091 | X2 = sqrt(abs(1. - 16.*zta)) ; X2 = max(X2 , 1.0) ; X = sqrt(X2) |
---|
| 1092 | stabit = 0.5 + sign(0.5,zta) |
---|
[2715] | 1093 | psi_m = -5.*zta*stabit & ! Stable |
---|
| 1094 | & + (1. - stabit)*(2*log((1. + X)/2) + log((1. + X2)/2) - 2*atan(X) + pi/2) ! Unstable |
---|
| 1095 | |
---|
[2748] | 1096 | IF( wrk_not_released(2, 35,36,37) ) CALL ctl_stop('psi_m: failed to release workspace arrays') |
---|
[2715] | 1097 | ! |
---|
[888] | 1098 | END FUNCTION psi_m |
---|
| 1099 | |
---|
| 1100 | |
---|
[2715] | 1101 | FUNCTION psi_h( zta ) !! Psis, L & Y eq. (8c), (8d), (8e) |
---|
| 1102 | !------------------------------------------------------------------------------- |
---|
| 1103 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
---|
[2748] | 1104 | USE wrk_nemo, ONLY: X2 => wrk_2d_35 |
---|
| 1105 | USE wrk_nemo, ONLY: X => wrk_2d_36 |
---|
| 1106 | USE wrk_nemo, ONLY: stabit => wrk_2d_37 |
---|
[2715] | 1107 | ! |
---|
| 1108 | REAL(wp), DIMENSION(jpi,jpj), INTENT(in) :: zta |
---|
| 1109 | ! |
---|
| 1110 | REAL(wp), DIMENSION(jpi,jpj) :: psi_h |
---|
| 1111 | !------------------------------------------------------------------------------- |
---|
| 1112 | |
---|
[2748] | 1113 | IF( wrk_in_use(2, 35,36,37) ) THEN |
---|
[2715] | 1114 | CALL ctl_stop('psi_h: requested workspace arrays unavailable') ; RETURN |
---|
| 1115 | ENDIF |
---|
| 1116 | |
---|
[888] | 1117 | X2 = sqrt(abs(1. - 16.*zta)) ; X2 = max(X2 , 1.) ; X = sqrt(X2) |
---|
| 1118 | stabit = 0.5 + sign(0.5,zta) |
---|
| 1119 | psi_h = -5.*zta*stabit & ! Stable |
---|
[2715] | 1120 | & + (1. - stabit)*(2.*log( (1. + X2)/2. )) ! Unstable |
---|
| 1121 | |
---|
[2748] | 1122 | IF( wrk_not_released(2, 35,36,37) ) CALL ctl_stop('psi_h: failed to release workspace arrays') |
---|
[2715] | 1123 | ! |
---|
[888] | 1124 | END FUNCTION psi_h |
---|
[2799] | 1125 | |
---|
| 1126 | #if defined key_orca_r025 |
---|
| 1127 | INTEGER FUNCTION sbc_blk_core_alloc() |
---|
| 1128 | !!---------------------------------------------------------------------- |
---|
| 1129 | !! *** ROUTINE sbc_blk_core_alloc *** |
---|
| 1130 | !!---------------------------------------------------------------------- |
---|
| 1131 | ALLOCATE( area(jpi,jpj) , zqlw(jpi,jpj) , & |
---|
| 1132 | & zqsb(jpi,jpj) , zqla(jpi,jpj) , & |
---|
| 1133 | & zevap(jpi,jpj) , STAT=sbc_blk_core_alloc ) |
---|
| 1134 | zqlw=0._wp |
---|
| 1135 | zqsb=0._wp |
---|
| 1136 | ! |
---|
| 1137 | IF( lk_mpp ) CALL mpp_sum ( sbc_blk_core_alloc ) |
---|
| 1138 | IF( sbc_blk_core_alloc > 0 ) CALL ctl_warn('sbc_blk_core_alloc: allocation of arrays failed') |
---|
| 1139 | END FUNCTION sbc_blk_core_alloc |
---|
| 1140 | #endif |
---|
| 1141 | |
---|
| 1142 | SUBROUTINE Shapiro_1D(rla_varin,id_np, cd_overlap, rlpa_varout) !GIG |
---|
| 1143 | !!===================================================================== |
---|
| 1144 | !! |
---|
| 1145 | !! Description: This function applies a 1D Shapiro filter |
---|
| 1146 | !! (3 points filter) horizontally to a 2D field |
---|
| 1147 | !! in regular grid |
---|
| 1148 | !! Arguments : |
---|
| 1149 | !! rla_varin : Input variable to filter |
---|
| 1150 | !! zla_mask : Input mask variable |
---|
| 1151 | !! id_np : Number of Shapiro filter iterations |
---|
| 1152 | !! cd_overlap : Logical argument for periodical condition |
---|
| 1153 | !! (global ocean case) |
---|
| 1154 | !! rlpa_varout : Output filtered variable |
---|
| 1155 | !! |
---|
| 1156 | !! History : 08/2009 S. CAILLEAU : from 1st version of N. FERRY |
---|
| 1157 | !! 09/2009 C. REGNIER : Corrections |
---|
| 1158 | !! |
---|
| 1159 | !!===================================================================== |
---|
| 1160 | IMPLICIT NONE |
---|
| 1161 | INTEGER, INTENT(IN) :: id_np |
---|
| 1162 | REAL(wp), DIMENSION(jpi,jpj), INTENT(IN) :: rla_varin !GIG |
---|
| 1163 | CHARACTER(len=20), INTENT(IN) :: cd_overlap !GIG |
---|
| 1164 | REAL(wp), DIMENSION(jpi,jpj), INTENT(OUT) :: rlpa_varout !GIG |
---|
| 1165 | |
---|
| 1166 | REAL(wp), DIMENSION(jpi,jpj) :: rlpa_varout_tmp |
---|
| 1167 | REAL, PARAMETER :: rl_alpha = 1./2. ! fixed stability coefficient (isotrope case) |
---|
| 1168 | REAL, parameter :: rap_aniso_diff_XY=2.25 ! anisotrope case |
---|
| 1169 | REAL :: alphax,alphay, znum, zden,test |
---|
| 1170 | INTEGER :: ji, jj, jn, nn |
---|
| 1171 | ! |
---|
| 1172 | !! rap_aniso_diff_XY=2.25 : valeur trouvée empiriquement pour 140 itération pour le filtre de Shapiro et |
---|
| 1173 | !! pour un rapport d'anisotopie de 1.5 : on filtre de plus rapidement en x qu'eny. |
---|
| 1174 | !------------------------------------------------------------------------------ |
---|
| 1175 | ! |
---|
| 1176 | ! Loop on several filter iterations |
---|
| 1177 | |
---|
| 1178 | ! Global ocean case |
---|
| 1179 | IF (( cd_overlap == 'MERCA_GLOB' ) .OR. & |
---|
| 1180 | ( cd_overlap == 'REGULAR_GLOB' ) .OR. & |
---|
| 1181 | ( cd_overlap == 'ORCA_GLOB' )) THEN |
---|
| 1182 | rlpa_varout(:,:) = rla_varin(:,:) |
---|
| 1183 | rlpa_varout_tmp(:,:) = rlpa_varout(:,:) |
---|
| 1184 | ! |
---|
| 1185 | |
---|
| 1186 | alphax=1./2. |
---|
| 1187 | alphay=1./2. |
---|
| 1188 | ! Dx/Dy=rap_aniso_diff_XY , D_ = vitesse de diffusion |
---|
| 1189 | ! 140 passes du fitre, Lx/Ly=1.5, le rap_aniso_diff_XY correspondant est: |
---|
| 1190 | IF ( rap_aniso_diff_XY .GE. 1. ) alphay=alphay/rap_aniso_diff_XY |
---|
| 1191 | IF ( rap_aniso_diff_XY .LT. 1. ) alphax=alphax*rap_aniso_diff_XY |
---|
| 1192 | |
---|
| 1193 | DO jn = 1,id_np ! number of passes of the filter |
---|
| 1194 | DO ji = 2,jpim1 |
---|
| 1195 | DO jj = 2,jpjm1 |
---|
| 1196 | ! We crop on the coast |
---|
| 1197 | znum = rlpa_varout_tmp(ji,jj) & |
---|
| 1198 | + 0.25*alphax*(rlpa_varout_tmp(ji-1,jj )-rlpa_varout_tmp(ji,jj))*tmask(ji-1,jj ,1) & |
---|
| 1199 | + 0.25*alphax*(rlpa_varout_tmp(ji+1,jj )-rlpa_varout_tmp(ji,jj))*tmask(ji+1,jj ,1) & |
---|
| 1200 | + 0.25*alphay*(rlpa_varout_tmp(ji ,jj-1)-rlpa_varout_tmp(ji,jj))*tmask(ji ,jj-1,1) & |
---|
| 1201 | + 0.25*alphay*(rlpa_varout_tmp(ji ,jj+1)-rlpa_varout_tmp(ji,jj))*tmask(ji ,jj+1,1) |
---|
| 1202 | rlpa_varout(ji,jj)=znum*tmask(ji,jj,1)+rla_varin(ji,jj)*(1.-tmask(ji,jj,1)) |
---|
| 1203 | ENDDO ! end loop ji |
---|
| 1204 | ENDDO ! end loop jj |
---|
| 1205 | ! |
---|
| 1206 | ! |
---|
| 1207 | ! Periodical condition in case of cd_overlap (global ocean) |
---|
| 1208 | ! - on a mercator projection grid we consider that singular point at poles |
---|
| 1209 | ! are a mean of the values at points of the previous latitude |
---|
| 1210 | ! - on ORCA and regular grid we copy the values at points of the previous latitude |
---|
| 1211 | IF ( cd_overlap == 'MERCAT_GLOB' ) THEN |
---|
| 1212 | !GIG case unchecked |
---|
| 1213 | rlpa_varout(1,1) = SUM(rlpa_varout(:,2)) / jpi |
---|
| 1214 | rlpa_varout(jpi,jpj) = SUM(rlpa_varout(:,jpj-1)) / jpi |
---|
| 1215 | ELSE |
---|
| 1216 | call lbc_lnk(rlpa_varout, 'T', 1.) ! Boundary condition |
---|
| 1217 | ENDIF |
---|
| 1218 | rlpa_varout_tmp(:,:) = rlpa_varout(:,:) |
---|
| 1219 | ENDDO ! end loop jn |
---|
| 1220 | ENDIF |
---|
| 1221 | |
---|
| 1222 | ! |
---|
| 1223 | END SUBROUTINE Shapiro_1D |
---|
| 1224 | |
---|
[888] | 1225 | |
---|
| 1226 | !!====================================================================== |
---|
| 1227 | END MODULE sbcblk_core |
---|