!----------------------------------------------------------------------------------
&namtra_ldf    !   lateral diffusion scheme for tracers
!----------------------------------------------------------------------------------
   !                       !  Operator type:
   ln_traldf_lap    =  .true.   !  laplacian operator
   ln_traldf_bilap  =  .false.  !  bilaplacian operator
   !                       !  Direction of action:
   ln_traldf_level  =  .false.  !  iso-level
   ln_traldf_hor    =  .false.  !  horizontal (geopotential)   (needs "key_ldfslp" when ln_sco=T)
   ln_traldf_iso    =  .true.   !  iso-neutral                 (needs "key_ldfslp")
   !		       	   !  Griffies parameters              (all need "key_ldfslp")
   ln_traldf_grif   =  .false.  !  use griffies triads
   ln_traldf_gdia   =  .false.  !  output griffies eddy velocities
   ln_triad_iso     =  .false.  !  pure lateral mixing in ML
   ln_botmix_grif   =  .false.  !  lateral mixing on bottom
   !                       !  Coefficients
   ! Eddy-induced (GM) advection always used with Griffies; otherwise needs "key_traldf_eiv"
   ! Value rn_aeiv_0 is ignored unless = 0 with Held-Larichev spatially varying aeiv
   !                                  (key_traldf_c2d & key_traldf_eiv & key_orca_r2, _r1 or _r05)
   rn_aeiv_0        =  2000.    !  eddy induced velocity coefficient [m2/s]
   rn_aht_0         =  2000.    !  horizontal eddy diffusivity for tracers [m2/s]
   rn_ahtb_0        =     0.    !  background eddy diffusivity for ldf_iso [m2/s]
   !                                           (normally=0; not used with Griffies)
   rn_slpmax        =     0.01  !  slope limit
   rn_chsmag        =     1.    !  multiplicative factor in Smagorinsky diffusivity
   rn_smsh          =     1.    !  Smagorinsky diffusivity: = 0 - use only sheer
   rn_aht_m         =  2000.    !  upper limit or stability criteria for lateral eddy diffusivity (m2/s)
/