namzdf_osm

!-----------------------------------------------------------------------
&namzdf_osm    !   OSM vertical diffusion                               (ln_zdfosm =T)
!-----------------------------------------------------------------------
   ln_use_osm_la = .false.     !  Use   rn_osm_la
   rn_osm_la     = 0.3         !  Turbulent Langmuir number
   rn_zdfosm_adjust_sd = 1.0   ! Stokes drift reduction factor
   rn_osm_hblfrac = 0.1        ! specify top part of hbl for nn_osm_wave = 3 or 4
   rn_osm_bl_thresh   = 5.e-5      !Threshold buoyancy for deepening of OSBL base
   nn_ave = 0                  ! choice of horizontal averaging on avt, avmu, avmv
   ln_dia_osm = .true.         ! output OSMOSIS-OBL variables
   rn_osm_hbl0 = 10.           ! initial hbl value
   ln_kpprimix = .true.        ! Use KPP-style Ri# mixing below BL
   rn_riinfty  = 0.7           ! Highest local Ri_g permitting shear instability
   rn_difri  =  0.005          ! max Ri# diffusivity at Ri_g = 0 (m^2/s)
   ln_convmix  = .true.        ! Use convective instability mixing below BL
   rn_difconv = 1. !0.01 !1.             ! diffusivity when unstable below BL  (m2/s)
   rn_osm_dstokes     = 5.     !  Depth scale of Stokes drift (m)
   nn_osm_wave = 0             ! Method used to calculate Stokes drift
      !                        !  = 2: Use ECMWF wave fields
      !                        !  = 1: Pierson Moskowitz wave spectrum
      !                        !  = 0: Constant La# = 0.3
   nn_osm_SD_reduce = 0        ! Method used to get active Stokes drift from surface value
      !                        !  = 0: No reduction
                               !  = 1: use SD avged over top 10% hbl
                               !  = 2:use surface value of SD fit to slope at rn_osm_hblfrac*hbl below surface
   ln_zdfosm_ice_shelter = .true.  ! reduce surface SD and depth scale under ice
   ln_osm_mle = .true.         !  Use integrated FK-OSM model
/