namtrc_bdy

!----------------------------------------------------------------------
&namtrc_bdy      !   Setup of tracer boundary conditions
!-----------------------------------------------------------------------
   cn_trc_dflt   = 'neumann' !  OBC applied by default to all tracers
   cn_trc        = 'none'    !  Boundary conditions used for tracers with data files (selected in namtrc)

   nn_trcdmp_bdy = 0         !  Use damping timescales defined in nambdy of namelist
                             !  = 0 NO damping of tracers at open boudaries
                             !  = 1 Only for tracers forced with external data
                             !  = 2 Damping applied to all tracers
   ln_zintobc    = .false.   ! T if a vertical interpolation is required. Variables gdep[t] and e3[t] must exist in the file 
                             !  automatically defined to T if the number of vertical levels in bdy dta /= jpk
/