!-----------------------------------------------------------------------
&namdom   !   space and time domain (bathymetry, mesh, timestep)
!-----------------------------------------------------------------------
   ntopo     =     1       !  = 1 read the bathymetry_level 
   e3zps_min =     5.      !  minimum thickness of the partial step is the min of
   e3zps_rat =     0.1     !  e3zps_min and e3zps_rat * e3t  (with 0<e3zps_rat<1)
   nmsh      =     0       !  =1 create a mesh file (coordinates, scale factors, masks)
   nacc      =     0       !  the acceleration of convergence method
   !                       !     = 0, no acceleration, rdt = rdttra
   !                       !     = 1, acceleration used, rdt < rdttra(k)
   atfp      =     0.1     !  asselin time filter parameter
   rdt       =  5760.      !  time step for the dynamics (and tracer if nacc=0)
   rdtmin    =  5760.      !  minimum time step on tracers
   rdtmax    =  5760.      !  maximum time step on tracers
   rdth      =   800.      !  depth variation of tracer time step
   rdtbt     =    90.      !  barotropic time step (for the time splitting algorithm)
   nfice     =     5       !  frequency of ice model call
   nfbulk    =     5       !  frequency of bulk formulea call (not used if ice used)
   nclosea   =     0       !  = 0 no closed sea in the model domain
!                          !  = 1 closed sea (Caspian Sea, Great US Lakes...) 
/