!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !! NEMO/TOP1 : - tracer run information (namtrc_run) !! - tracer definition (namtrc ) !! - tracer data initialisation (namtrc_dta) !! - tracer advection (namtrc_adv) !! - tracer lateral diffusion (namtrc_ldf) !! - tracer vertical physics (namtrc_zdf) !! - tracer newtonian damping (namtrc_dmp) !! - dynamical tracer trends (namtrc_trd) !! - tracer output diagonstics (namtrc_dia) !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !----------------------------------------------------------------------- &namtrc_run ! run information !----------------------------------------------------------------------- nn_dttrc = 1 ! time step frequency for passive sn_tracers nn_writetrc = 5475 ! time step frequency for sn_tracer outputs ln_top_euler = .false. ! use Euler time-stepping for TOP ln_rsttr = .false. ! start from a restart file (T) or not (F) nn_rsttr = 0 ! restart control = 0 initial time step is not compared to the restart file value ! = 1 do not use the value in the restart file ! = 2 calendar parameters read in the restart file cn_trcrst_in = "restart_trc" ! suffix of pass. sn_tracer restart name (input) cn_trcrst_indir = "." ! directory from which to read input passive tracer restarts cn_trcrst_out = "restart_trc" ! suffix of pass. sn_tracer restart name (output) cn_trcrst_indir = "." ! directory from which to read input passive tracer restarts / !----------------------------------------------------------------------- &namtrc ! tracers definition !----------------------------------------------------------------------- ln_trcdta = .true. ! Initialisation from data input file (T) or not (F) ln_trcdmp = .false. ! add a damping termn (T) or not (F) ln_trcdmp_clo = .false. ! damping term (T) or not (F) on closed seas / !----------------------------------------------------------------------- &namtrc_dta ! Initialisation from data input file !----------------------------------------------------------------------- ! cn_dir = './' ! root directory for the location of the data files / !----------------------------------------------------------------------- &namtrc_adv ! advection scheme for passive tracer !----------------------------------------------------------------------- ln_trcadv_cen2 = .false. ! 2nd order centered scheme ln_trcadv_tvd = .true. ! TVD scheme ln_trcadv_muscl = .false. ! MUSCL scheme ln_trcadv_muscl2 = .false. ! MUSCL2 scheme + cen2 at boundaries ln_trcadv_ubs = .false. ! UBS scheme ln_trcadv_qck = .false. ! QUICKEST scheme ln_trcadv_msc_ups = .false. ! use upstream scheme within muscl / !----------------------------------------------------------------------- &namtrc_ldf ! lateral diffusion scheme for passive tracer !----------------------------------------------------------------------- ln_trcldf_diff = .true. ! performs lateral diffusion (T) or not (F) ! ! Type of the operator : ln_trcldf_lap = .true. ! laplacian operator ln_trcldf_bilap = .false. ! bilaplacian operator ! Direction of action : ln_trcldf_level = .false. ! iso-level ln_trcldf_hor = .false. ! horizontal (geopotential) (require "key_ldfslp" when ln_sco=T) ln_trcldf_iso = .true. ! iso-neutral (require "key_ldfslp") ! ! Coefficient rn_ahtrc_0 = 2000. ! horizontal eddy diffusivity for tracers [m2/s] rn_ahtrb_0 = 0. ! background eddy diffusivity for ldf_iso [m2/s] / !----------------------------------------------------------------------- &namtrc_zdf ! vertical physics !----------------------------------------------------------------------- ln_trczdf_exp = .false. ! split explicit (T) or implicit (F) time stepping nn_trczdf_exp = 3 ! number of sub-timestep for ln_trczdfexp=T / !----------------------------------------------------------------------- &namtrc_rad ! treatment of negative concentrations !----------------------------------------------------------------------- ln_trcrad = .true. ! artificially correct negative concentrations (T) or not (F) / !----------------------------------------------------------------------- &namtrc_dmp ! passive tracer newtonian damping !----------------------------------------------------------------------- nn_zdmp_tr = 1 ! vertical shape =0 damping throughout the water column ! =1 no damping in the mixing layer (kz criteria) ! =2 no damping in the mixed layer (rho crieria) cn_resto_tr = 'resto_tr.nc' ! create a damping.coeff NetCDF file (=1) or not (=0) / !----------------------------------------------------------------------- &namtrc_trd ! diagnostics on tracer trends ('key_trdtrc') ! or mixed-layer trends ('key_trdmld_trc') !---------------------------------------------------------------------- nn_trd_trc = 5475 ! time step frequency and tracers trends nn_ctls_trc = 0 ! control surface type in mixed-layer trends (0,1 or n /seconds ; =86400. -> /day) ln_trdmld_trc_restart = .false. ! restart for ML diagnostics ln_trdmld_trc_instant = .true. ! flag to diagnose trends of instantantaneous or mean ML T/S ln_trdtrc(1) = .true. ln_trdtrc(2) = .true. ln_trdtrc(23) = .true. / !----------------------------------------------------------------------- &namtrc_dia ! parameters for passive tracer additional diagnostics !---------------------------------------------------------------------- ln_diatrc = .true. ! save additional diag. (T) or not (F) ln_diabio = .true. ! output biological trends nn_writedia = 5475 ! time step frequency for diagnostics nn_writebio = 10 !: frequency of biological outputs / !---------------------------------------------------------------------- ! namtrc_bc ! data for boundary conditions !----------------------------------------------------------------------- &namtrc_bc ! cn_dir = './' ! root directory for the location of the data files /