!-----------------------------------------------------------------------
&namdom        !   space and time domain (bathymetry, mesh, timestep)
!-----------------------------------------------------------------------
   nn_bathy    =    1      !  compute (=0) or read(=1) the bathymetry file
   nn_closea   =    0      !  closed seas and lakes are removed (=0) or kept (=1) from the ORCA domain
   nn_msh      =    0      !  create (=1) a mesh file (coordinates, scale factors, masks) or not (=0)
   rn_e3zps_min=   20.     !  the thickness of the partial step is set larger than the minimum
   rn_e3zps_rat=    0.1    !  of e3zps_min and e3zps_rat * e3t   (N.B. 0<e3zps_rat<1)
                           !
   rn_rdt      = 5760.     !  time step for the dynamics (and tracer if nacc=0)   ==> 5760
   nn_baro     =   64      !  number of barotropic time step (for the split explicit algorithm) ("key_dynspg_ts")
   rn_atfp     =    0.1    !  asselin time filter parameter
   nn_acc      =    0      !  acceleration of convergence : =1      used, rdt < rdttra(k)
                                 !                          =0, not used, rdt = rdttra
   rn_rdtmin   = 28800.          !  minimum time step on tracers (used if nacc=1)
   rn_rdtmax   = 28800.          !  maximum time step on tracers (used if nacc=1)
   rn_rdth     =  800.           !  depth variation of tracer time step  (used if nacc=1)
/