!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !! NEMO/TOP1 : 1 - tracer definition (namtrc ) !! namelists 2 - dynamical tracer trends (namtrc_trd) !! 3 - tracer advection (namtrc_adv) !! 4 - tracer lateral diffusion (namtrc_ldf) !! 5 - tracer vertical physics (namtrc_zdf) !! 6 - tracer newtonian damping (namtrc_dmp) !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' &namtrc ! tracers definition !,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, nn_dttrc = 1 ! time step frequency for passive sn_tracers nn_writetrc = 1460 ! time step frequency for sn_tracer outputs 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_out = "restart_trc" ! suffix of pass. sn_tracer restart name (output) ! ! ! name ! title of the field ! units ! initial data ! save ! ! ! ! ! ! from file ! or not ! ! ! ! ! ! or not ! ! sn_tracer(1) = 'DIC ' , 'Dissolved inorganic Concentration ', 'mol-C/L' , .true. , .true. sn_tracer(2) = 'Alkalini' , 'Total Alkalinity Concentration ', 'eq/L ' , .true. , .true. sn_tracer(3) = 'O2 ' , 'Dissolved Oxygen Concentration ', 'mol-C/L' , .true. , .true. sn_tracer(4) = 'CaCO3 ' , 'Calcite Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(5) = 'PO4 ' , 'Phosphate Concentration ', 'mol-C/L' , .true. , .true. sn_tracer(6) = 'POC ' , 'Small organic carbon Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(7) = 'Si ' , 'Silicate Concentration ', 'mol-C/L' , .true. , .true. sn_tracer(8) = 'PHY ' , 'Nanophytoplankton Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(9) = 'ZOO ' , 'Microzooplankton Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(10) = 'DOC ' , 'Dissolved organic Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(11) = 'PHY2 ' , 'Diatoms Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(12) = 'ZOO2 ' , 'Mesozooplankton Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(13) = 'BSi ' , 'Diatoms Silicate Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(14) = 'Fer ' , 'Dissolved Iron Concentration ', 'mol-C/L' , .true. , .true. sn_tracer(15) = 'BFe ' , 'Big iron particles Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(16) = 'GOC ' , 'Big organic carbon Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(17) = 'SFe ' , 'Small iron particles Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(18) = 'DFe ' , 'Diatoms iron Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(19) = 'DSi ' , 'Sinking biogenic Silicate Concentration', 'mol-C/L' , .false. , .true. sn_tracer(20) = 'NFe ' , 'Nano iron Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(21) = 'NCHL ' , 'Nano chlorophyl Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(22) = 'DCHL ' , 'Diatoms chlorophyl Concentration ', 'mol-C/L' , .false. , .true. sn_tracer(23) = 'NO3 ' , 'Nitrates Concentration ', 'mol-C/L' , .true. , .true. sn_tracer(24) = 'NH4 ' , 'Ammonium Concentration ', 'mol-C/L' , .false. , .true. / !----------------------------------------------------------------------- &namtrc_adv ! advection scheme for passive tracer !----------------------------------------------------------------------- ln_trcadv_cen2 = .false. ! 2nd order centered scheme ln_trcadv_tvd = .false. ! TVD scheme ln_trcadv_muscl = .true. ! MUSCL scheme ln_trcadv_muscl2 = .false. ! MUSCL2 scheme + cen2 at boundaries ln_trcadv_ubs = .false. ! UBS scheme ln_trcadv_qck = .false. ! QUICKEST scheme / !----------------------------------------------------------------------- &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_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 ('key_tradmp && key_trcdmp') !----------------------------------------------------------------------- nn_hdmp_tr = -1 ! horizontal shape =-1, damping in Med and Red Seas only ! =XX, damping poleward of XX degrees (XX>0) ! + F(distance-to-coast) + Red and Med Seas 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) rn_surf_tr = 50. ! surface time scale of damping [days] rn_bot_tr = 360. ! bottom time scale of damping [days] rn_dep_tr = 800. ! depth of transition between rn_surf and rn_bot [meters] nn_file_tr = 0 ! 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(3) = .false. ln_trdtrc(4) = .false. ln_trdtrc(5) = .false. ln_trdtrc(6) = .false. ln_trdtrc(7) = .false. ln_trdtrc(8) = .false. ln_trdtrc(9) = .false. ln_trdtrc(10) = .false. ln_trdtrc(11) = .false. ln_trdtrc(12) = .false. ln_trdtrc(13) = .false. ln_trdtrc(14) = .false. ln_trdtrc(15) = .false. ln_trdtrc(16) = .false. ln_trdtrc(17) = .false. ln_trdtrc(18) = .false. ln_trdtrc(19) = .false. ln_trdtrc(20) = .false. ln_trdtrc(21) = .false. ln_trdtrc(22) = .false. ln_trdtrc(23) = .true. ln_trdtrc(24) = .false. /