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
   !!----------------------------------------------------------------------
   USE par_oce          ! ocean parameters

   IMPLICIT NONE
   PRIVATE
   
   !!----------------------------------------------------------------------
   !!           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_patm     = .FALSE.   !: Read atmospheric pressure
   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
   INTEGER , PUBLIC ::   nn_ico_cpl  = 0          !: ice-ocean coupling indicator
   !                                             !:  = 0   LIM-3 old case
   !                                             !:  = 1   stresses computed using now ocean velocity
   !                                             !:  = 2   combination of 0 and 1 cases

   !!----------------------------------------------------------------------
   !!              Ocean Surface Boundary Condition fields
   !!----------------------------------------------------------------------
   LOGICAL , PUBLIC ::   lhftau = .FALSE.              !: HF tau contribution: mean of stress module - module of the mean stress
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   utau      !: sea surface i-stress (ocean referential)     [N/m2]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   vtau      !: sea surface j-stress (ocean referential)     [N/m2]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   taum      !: module of sea surface stress (at T-point)    [N/m2] 
   !! wndm is used only in PISCES to compute gases exchanges at the surface of the free ocean or in the leads in sea-ice parts
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   wndm      !: wind speed module at T-point (=|U10m-Uoce|)  [m/s] 
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   qsr       !: sea heat flux:     solar                     [W/m2]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   qns       !: sea heat flux: non solar                     [W/m2]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   qsr_tot   !: total     solar heat flux (over sea and ice) [W/m2]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   qns_tot   !: total non solar heat flux (over sea and ice) [W/m2]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   emp       !: freshwater budget: volume flux               [Kg/m2/s]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   emps      !: freshwater budget: concentration/dillution   [Kg/m2/s]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   emp_tot   !: total evaporation - (liquid + solid) precpitation over oce and ice
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   tprecip   !: total precipitation           [Kg/m2/s]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   sprecip   !: solid precipitation           [Kg/m2/s]
!!$   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   rrunoff       !: runoff
!!$   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   calving       !: calving
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   fr_i      !: ice fraction  (between 0 to 1)               -
#if defined key_cpl_carbon_cycle
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   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, DIMENSION(jpi,jpj) ::   ssu_m     !: mean (nn_fsbc time-step) surface sea i-current (U-point) [m/s]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   ssv_m     !: mean (nn_fsbc time-step) surface sea j-current (V-point) [m/s]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   sst_m     !: mean (nn_fsbc time-step) surface sea temperature     [Celsius]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   sss_m     !: mean (nn_fsbc time-step) surface sea salinity            [psu]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj) ::   ssh_m     !: mean (nn_fsbc time-step) sea surface height                [m]

   !!----------------------------------------------------------------------
   !!   OPA 9.0 , LOCEAN-IPSL (2006) 
   !! $ Id: $
   !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt)
   !!======================================================================

END MODULE sbc_oce