MODULE zdf_oce
   !!======================================================================
   !!              ***  MODULE  zdf_oce  ***
   !! Ocean physics : define vertical mixing variables
   !!=====================================================================
   !! history :  1.0  !  2002-06  (G. Madec) Original code
   !!            3.2  !  2009-07  (G.Madec) addition of avm
   !!----------------------------------------------------------------------
   USE par_oce         ! ocean parameters

   IMPLICIT NONE
   PRIVATE

#if defined key_zdfcst   ||   defined key_esopa
   LOGICAL, PARAMETER, PUBLIC ::   lk_zdfcst        = .TRUE.         !: constant vertical mixing flag
#else
   LOGICAL, PARAMETER, PUBLIC ::   lk_zdfcst        = .FALSE.        !: constant vertical mixing flag
#endif

   !                                           !!* namelist namzdf: vertical diffusion *
   REAL(wp), PUBLIC ::   rn_avm0   = 1.e-4_wp   !: vertical eddy viscosity (m2/s)
   REAL(wp), PUBLIC ::   rn_avt0   = 1.e-5_wp   !: vertical eddy diffusivity (m2/s)
   INTEGER , PUBLIC ::   nn_avb    =  0         !: constant or profile background on avt (=0/1)
   INTEGER , PUBLIC ::   nn_havtb  = 1          !: horizontal shape or not for avtb (=0/1)
   LOGICAL , PUBLIC ::   ln_zdfexp = .FALSE.    !: explicit vertical diffusion scheme flag
   INTEGER , PUBLIC ::   nn_zdfexp = 3          !: number of sub-time step (explicit time stepping)
   LOGICAL , PUBLIC ::   ln_zdfevd = .TRUE.     !: convection: enhanced vertical diffusion flag
   INTEGER , PUBLIC ::   nn_evdm   = 1          !: =0/1 flag to apply enhanced avm or not
   REAL(wp), PUBLIC ::   rn_avevd  = 1._wp      !: vertical eddy coeff. for enhanced vert. diff. (m2/s)
   LOGICAL , PUBLIC ::   ln_zdfnpc = .FALSE.    !: convection: non-penetrative convection flag
   INTEGER , PUBLIC ::   nn_npc    =   1        !: non penetrative convective scheme call  frequency
   INTEGER , PUBLIC ::   nn_npcp   =  15        !: non penetrative convective scheme print frequency


   REAL(wp), PUBLIC, DIMENSION        (jpk) ::   avmb, avtb   !: background profile of avm and avt
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj)     ::   avtb_2d      !: set in tke_init, for other modif than ice
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) ::   avmu, avmv   !: vertical viscosity coeff. at uw- & vw-points   [m2/s]
   REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) ::   avm , avt    !: vertical viscosity & diffusivity coeff. at  w-point   [m2/s]
 
   !!----------------------------------------------------------------------
   !! NEMO/OPA 3.2 , LOCEAN-IPSL (2009) 
   !! $Id: zdf_oce.F90 1601 2009-08-11 10:09:19Z ctlod $ 
   !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt)
   !!======================================================================
END MODULE zdf_oce