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!-----------------------------------------------------------------------
&namdyn_spg ! surface pressure gradient (default: NO selection)
!-----------------------------------------------------------------------
ln_dynspg_exp = .false. ! explicit free surface
ln_dynspg_ts = .false. ! split-explicit free surface
ln_bt_fw = .true. ! Forward integration of barotropic Eqs.
nn_bt_flt = 1 ! Add dissipation with either boxcar averaging or dissipative Forward-Backward
! ! = 0 None
! ! = 1 Boxcar over nn_e sub-steps
! ! = 2 Boxcar over 2*nn_e " "
! ! = 3 Temporal dissipation (Demange 2019)
rn_bt_alpha = 0. ! (if nn_bt_flt=3) ==> Temporal diffusion parameter (recommended values = 0.07-0.09)
!
ln_bt_auto = .true. ! Number of sub-step defined from:
rn_bt_cmax = 0.8 ! =T : the Maximum Courant Number allowed
nn_e = 30 ! =F : the number of sub-step in rn_Dt seconds