MODULE sbc_oce !!====================================================================== !! *** MODULE sbc_oce *** !! Surface module : variables defined in core memory !!====================================================================== !! History : 3.0 ! 2006-06 (G. Madec) Original code !! - ! 2008-08 (G. Madec) namsbc moved from sbcmod !! 3.3 ! 2010-04 (M. Leclair, G. Madec) Forcing averaged over 2 time steps !! - ! 2010-11 (G. Madec) ice-ocean stress always computed at each ocean time-step !! 3.3 ! 2010-10 (J. Chanut, C. Bricaud) add the surface pressure forcing !!---------------------------------------------------------------------- !!---------------------------------------------------------------------- !! sbc_oce_alloc : allocation of sbc arrays !! sbc_tau2wnd : wind speed estimated from wind stress !!---------------------------------------------------------------------- USE par_oce ! ocean parameters USE in_out_manager ! I/O manager USE lib_mpp ! MPP library IMPLICIT NONE PRIVATE PUBLIC sbc_oce_alloc ! routine called in sbcmod.F90 PUBLIC sbc_tau2wnd ! routine called in several sbc modules !!---------------------------------------------------------------------- !! Namelist for the Ocean Surface Boundary Condition !!---------------------------------------------------------------------- ! !!* namsbc namelist * LOGICAL , PUBLIC :: ln_ana = .FALSE. !: analytical boundary condition flag LOGICAL , PUBLIC :: ln_flx = .FALSE. !: flux formulation LOGICAL , PUBLIC :: ln_blk_clio = .FALSE. !: CLIO bulk formulation LOGICAL , PUBLIC :: ln_blk_core = .FALSE. !: CORE bulk formulation LOGICAL , PUBLIC :: ln_cpl = .FALSE. !: coupled formulation (overwritten by key_sbc_coupled ) LOGICAL , PUBLIC :: ln_dm2dc = .FALSE. !: Daily mean to Diurnal Cycle short wave (qsr) LOGICAL , PUBLIC :: ln_rnf = .FALSE. !: runoffs / runoff mouths LOGICAL , PUBLIC :: ln_ssr = .FALSE. !: Sea Surface restoring on SST and/or SSS LOGICAL , PUBLIC :: ln_apr_dyn = .FALSE. !: Atmospheric pressure forcing used on dynamics (ocean & ice) INTEGER , PUBLIC :: nn_ice = 0 !: flag on ice in the surface boundary condition (=0/1/2/3) INTEGER , PUBLIC :: nn_fwb = 0 !: FreshWater Budget: ! !: = 0 unchecked ! !: = 1 global mean of e-p-r set to zero at each nn_fsbc time step ! !: = 2 annual global mean of e-p-r set to zero !!---------------------------------------------------------------------- !! Ocean Surface Boundary Condition fields !!---------------------------------------------------------------------- LOGICAL , PUBLIC :: lhftau = .FALSE. !: HF tau used in TKE: mean(stress module) - module(mean stress) !! !! now ! before !! REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: utau , utau_b !: sea surface i-stress (ocean referential) [N/m2] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: vtau , vtau_b !: sea surface j-stress (ocean referential) [N/m2] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: taum !: module of sea surface stress (at T-point) [N/m2] !! wndm is used onmpute surface gases exchanges in ice-free ocean or leads REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wndm !: wind speed module at T-point (=|U10m-Uoce|) [m/s] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qsr !: sea heat flux: solar [W/m2] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qns , qns_b !: sea heat flux: non solar [W/m2] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qsr_tot !: total solar heat flux (over sea and ice) [W/m2] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qns_tot !: total non solar heat flux (over sea and ice) [W/m2] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: emp , emp_b !: freshwater budget: volume flux [Kg/m2/s] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: emps , emps_b !: freshwater budget: concentration/dillution [Kg/m2/s] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: emp_tot !: total E-P over ocean and ice [Kg/m2/s] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rnf , rnf_b !: river runoff [Kg/m2/s] !! REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sbc_tsc, sbc_tsc_b !: sbc content trend [K.m/s] jpi,jpj,jpts REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: qsr_hc , qsr_hc_b !: heat content trend due to qsr flux [K.m/s] jpi,jpj,jpk !! REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: tprecip !: total precipitation [Kg/m2/s] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sprecip !: solid precipitation [Kg/m2/s] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fr_i !: ice fraction = 1 - lead fraction (between 0 to 1) #if defined key_cpl_carbon_cycle REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: atm_co2 !: atmospheric pCO2 [ppm] #endif !!---------------------------------------------------------------------- !! Sea Surface Mean fields !!---------------------------------------------------------------------- INTEGER , PUBLIC :: nn_fsbc !: frequency of sbc computation (as well as sea-ice model) REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ssu_m !: mean (nn_fsbc time-step) surface sea i-current (U-point) [m/s] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ssv_m !: mean (nn_fsbc time-step) surface sea j-current (V-point) [m/s] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sst_m !: mean (nn_fsbc time-step) surface sea temperature [Celsius] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sss_m !: mean (nn_fsbc time-step) surface sea salinity [psu] REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ssh_m !: mean (nn_fsbc time-step) sea surface height [m] !! * Substitutions # include "vectopt_loop_substitute.h90" !!---------------------------------------------------------------------- !! NEMO/OPA 4.0 , NEMO Consortium (2011) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS INTEGER FUNCTION sbc_oce_alloc() !!--------------------------------------------------------------------- !! *** FUNCTION sbc_oce_alloc *** !!--------------------------------------------------------------------- INTEGER :: ierr(4) !!--------------------------------------------------------------------- ierr(:) = 0 ! ALLOCATE( utau(jpi,jpj) , utau_b(jpi,jpj) , taum(jpi,jpj) , & & vtau(jpi,jpj) , vtau_b(jpi,jpj) , wndm(jpi,jpj) , STAT=ierr(1) ) ! ALLOCATE( qns_tot(jpi,jpj) , qns (jpi,jpj) , qns_b(jpi,jpj), & & qsr_tot(jpi,jpj) , qsr (jpi,jpj) , & & emp (jpi,jpj) , emp_b (jpi,jpj) , & & emps (jpi,jpj) , emps_b(jpi,jpj) , emp_tot(jpi,jpj) , STAT=ierr(2) ) ! ALLOCATE( rnf (jpi,jpj) , sbc_tsc (jpi,jpj,jpts) , qsr_hc (jpi,jpj,jpk) , & & rnf_b(jpi,jpj) , sbc_tsc_b(jpi,jpj,jpts) , qsr_hc_b(jpi,jpj,jpk) , STAT=ierr(3) ) ! ALLOCATE( tprecip(jpi,jpj) , sprecip(jpi,jpj) , fr_i(jpi,jpj) , & #if defined key_cpl_carbon_cycle & atm_co2(jpi,jpj) , & #endif & ssu_m (jpi,jpj) , sst_m(jpi,jpj) , & & ssv_m (jpi,jpj) , sss_m (jpi,jpj), ssh_m(jpi,jpj) , STAT=ierr(4) ) ! sbc_oce_alloc = MAXVAL( ierr ) IF( lk_mpp ) CALL mpp_sum ( sbc_oce_alloc ) IF( sbc_oce_alloc > 0 ) CALL ctl_warn('sbc_oce_alloc: allocation of arrays failed') ! END FUNCTION sbc_oce_alloc SUBROUTINE sbc_tau2wnd !!--------------------------------------------------------------------- !! *** ROUTINE sbc_tau2wnd *** !! !! ** Purpose : Estimation of wind speed as a function of wind stress !! !! ** Method : |tau|=rhoa*Cd*|U|^2 !!--------------------------------------------------------------------- USE dom_oce ! ocean space and time domain USE lbclnk ! ocean lateral boundary conditions (or mpp link) REAL(wp) :: zrhoa = 1.22 ! Air density kg/m3 REAL(wp) :: zcdrag = 1.5e-3 ! drag coefficient REAL(wp) :: ztx, zty, ztau, zcoef ! temporary variables INTEGER :: ji, jj ! dummy indices !!--------------------------------------------------------------------- zcoef = 0.5 / ( zrhoa * zcdrag ) !CDIR NOVERRCHK DO jj = 2, jpjm1 !CDIR NOVERRCHK DO ji = fs_2, fs_jpim1 ! vect. opt. ztx = utau(ji-1,jj ) + utau(ji,jj) zty = vtau(ji ,jj-1) + vtau(ji,jj) ztau = SQRT( ztx * ztx + zty * zty ) wndm(ji,jj) = SQRT ( ztau * zcoef ) * tmask(ji,jj,1) END DO END DO CALL lbc_lnk( wndm(:,:) , 'T', 1. ) ! END SUBROUTINE sbc_tau2wnd !!====================================================================== END MODULE sbc_oce