!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !! NEMO/OPA : 1 - run manager (namrun) !! namelists 2 - Domain (namzgr, namzgr_sco, namdom, namdta_tem, namdta_sal) !! 3 - Surface boundary (namsbc, namsbc_ana, namsbc_flx, namsbc_clio, namsbc_core !! namsbc_cpl, namsbc_cpl_co2 namtra_qsr, namsbc_rnf, !! namsbc_apr, namsbc_ssr, namsbc_alb) !! 4 - lateral boundary (namlbc, namcla, namobc, namagrif, nambdy, nambdy_tide) !! 5 - bottom boundary (nambfr, nambbc, nambbl) !! 6 - Tracer (nameos, namtra_adv, namtra_ldf, namtra_dmp) !! 7 - dynamics (namdyn_adv, namdyn_vor, namdyn_hpg, namdyn_spg, namdyn_ldf) !! 8 - Verical physics (namzdf, namzdf_ric, namzdf_tke, namzdf_kpp, namzdf_ddm, namzdf_tmx) !! 9 - diagnostics (namnc4, namtrd, namspr, namflo, namptr, namhsb) !! 10 - miscellaneous (namsol, nammpp, nammpp_dyndist, namctl) !! 11 - Obs & Assim (namobs, nam_asminc) !!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !!====================================================================== !! *** Run management namelists *** !!====================================================================== !! namrun parameters of the run !!====================================================================== ! !----------------------------------------------------------------------- &namrun ! parameters of the run !----------------------------------------------------------------------- nn_no = 0 ! job number cn_exp = "ORCA2P" ! experience name nn_it000 = 1 ! first time step nn_itend = 1460 ! last time step (std 5475) nn_date0 = 010101 ! initial calendar date yymmdd (used if nrstdt=1) nn_leapy = 0 ! Leap year calendar (1) or not (0) nn_istate = 0 ! output the initial state (1) or not (0) nn_stock = 1460 ! frequency of creation of a restart file (modulo referenced to 1) nn_write = 1460 ! frequency of write in the output file (modulo referenced to nit000) ln_dimgnnn = .false. ! DIMG file format: 1 file for all processors (F) or by processor (T) ln_mskland = .false. ! mask land points in NetCDF outputs (costly: + ~15%) ln_clobber = .false. ! clobber (overwrite) an existing file nn_chunksz = 0 ! chunksize (bytes) for NetCDF file (working only with iom_nf90 routines) ln_rstart = .false. ! start from rest (F) or from a restart file (T) nn_rstctl = 0 ! restart control = 0 nit000 is not compared to the restart file value ! = 1 use ndate0 in namelist (not the value in the restart file) ! = 2 calendar parameters read in the restart file cn_ocerst_in = "restart" ! suffix of ocean restart name (input) cn_ocerst_out = "restart" ! suffix of ocean restart name (output) / !!====================================================================== !! *** Domain namelists *** !!====================================================================== !! namzgr vertical coordinate !! namzgr_sco s-coordinate or hybrid z-s-coordinate !! namdom space and time domain (bathymetry, mesh, timestep) !! namdta_tem data: temperature ("key_dtatem") !! namdta_sal data: salinity ("key_dtasal") !!====================================================================== ! !----------------------------------------------------------------------- &namzgr ! vertical coordinate !----------------------------------------------------------------------- ln_zco = .false. ! z-coordinate - full steps (T/F) ("key_zco" may also be defined) ln_zps = .true. ! z-coordinate - partial steps (T/F) ln_sco = .false. ! s- or hybrid z-s-coordinate (T/F) / !----------------------------------------------------------------------- &namzgr_sco ! s-coordinate or hybrid z-s-coordinate !----------------------------------------------------------------------- rn_sbot_min = 300. ! minimum depth of s-bottom surface (>0) (m) rn_sbot_max = 5250. ! maximum depth of s-bottom surface (= ocean depth) (>0) (m) rn_theta = 6.0 ! surface control parameter (0<=theta<=20) rn_thetb = 0.75 ! bottom control parameter (0<=thetb<= 1) rn_rmax = 0.15 ! maximum cut-off r-value allowed (00) or minimum number of ocean level (<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 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 = 21600. ! minimum time step on tracers (used if nacc=1) rn_rdtmax = 21600. ! maximum time step on tracers (used if nacc=1) rn_rdth = 800. ! depth variation of tracer time step (used if nacc=1) / !----------------------------------------------------------------------- &namdta_tem ! data : temperature ("key_dtatem") !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim !'yearly' or ! weights ! rotation ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! sn_tem = 'data_1m_potential_temperature_nomask', -1,'votemper', .true. , .true., 'yearly' , ' ' , ' ' ! cn_dir = './' ! root directory for the location of the runoff files / !----------------------------------------------------------------------- &namdta_sal ! data : salinity ("key_dtasal") !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim !'yearly' or ! weights ! rotation ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! sn_sal = 'data_1m_salinity_nomask', -1 ,'vosaline', .true. , .true., 'yearly' , '' , ' ' ! cn_dir = './' ! root directory for the location of the runoff files / !!====================================================================== !! *** Surface Boundary Condition namelists *** !!====================================================================== !! namsbc surface boundary condition !! namsbc_ana analytical formulation !! namsbc_flx flux formulation !! namsbc_clio CLIO bulk formulea formulation !! namsbc_core CORE bulk formulea formulation !! namsbc_cpl CouPLed formulation ("key_coupled") !! namsbc_cpl_co2 coupled ocean/biogeo/atmosphere model ("key_cpl_carbon_cycle") !! namtra_qsr penetrative solar radiation !! namsbc_rnf river runoffs !! namsbc_apr Atmospheric Pressure !! namsbc_ssr sea surface restoring term (for T and/or S) !! namsbc_alb albedo parameters !!====================================================================== ! !----------------------------------------------------------------------- &namsbc ! Surface Boundary Condition (surface module) !----------------------------------------------------------------------- nn_fsbc = 1 ! frequency of surface boundary condition computation ! (also = the frequency of sea-ice model call) ln_ana = .false. ! analytical formulation (T => fill namsbc_ana ) ln_flx = .false. ! flux formulation (T => fill namsbc_flx ) ln_blk_clio = .false. ! CLIO bulk formulation (T => fill namsbc_clio) ln_blk_core = .true. ! CORE bulk formulation (T => fill namsbc_core) ln_cpl = .false. ! Coupled formulation (T => fill namsbc_cpl ) ln_apr_dyn = .false. ! Patm gradient added in ocean & ice Eqs. (T => fill namsbc_apr ) nn_ice = 2 ! =0 no ice boundary condition , ! =1 use observed ice-cover , ! =2 ice-model used ("key_lim3" or "key_lim2) ln_dm2dc = .false. ! daily mean to diurnal cycle short wave (qsr) ln_rnf = .true. ! runoffs (T => fill namsbc_rnf) ln_ssr = .true. ! Sea Surface Restoring on T and/or S (T => fill namsbc_ssr) nn_fwb = 3 ! FreshWater Budget: =0 unchecked ! =1 global mean of e-p-r set to zero at each time step ! =2 annual global mean of e-p-r set to zero ! =3 global emp set to zero and spread out over erp area / !----------------------------------------------------------------------- &namsbc_ana ! analytical surface boundary condition !----------------------------------------------------------------------- nn_tau000 = 0 ! gently increase the stress over the first ntau_rst time-steps rn_utau0 = 0.5 ! uniform value for the i-stress rn_vtau0 = 0.e0 ! uniform value for the j-stress rn_qns0 = 0.e0 ! uniform value for the total heat flux rn_qsr0 = 0.e0 ! uniform value for the solar radiation rn_emp0 = 0.e0 ! uniform value for the freswater budget (E-P) / !----------------------------------------------------------------------- &namsbc_flx ! surface boundary condition : flux formulation !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim ! 'yearly'/ ! weights ! rotation ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! sn_utau = 'utau' , 24 , 'utau' , .false. , .false., 'yearly' , '' , '' sn_vtau = 'vtau' , 24 , 'vtau' , .false. , .false., 'yearly' , '' , '' sn_qtot = 'qtot' , 24 , 'qtot' , .false. , .false., 'yearly' , '' , '' sn_qsr = 'qsr' , 24 , 'qsr' , .false. , .false., 'yearly' , '' , '' sn_emp = 'emp' , 24 , 'emp' , .false. , .false., 'yearly' , '' , '' cn_dir = './' ! root directory for the location of the flux files / !----------------------------------------------------------------------- &namsbc_clio ! namsbc_clio CLIO bulk formulea !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim ! 'yearly'/ ! weights ! rotation ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! sn_utau = 'taux_1m' , -1 , 'sozotaux', .true. , .true. , 'yearly' , '' , '' sn_vtau = 'tauy_1m' , -1 , 'sometauy', .true. , .true. , 'yearly' , '' , '' sn_wndm = 'flx' , -1 , 'socliowi', .true. , .true. , 'yearly' , '' , '' sn_tair = 'flx' , -1 , 'socliot2', .true. , .true. , 'yearly' , '' , '' sn_humi = 'flx' , -1 , 'socliohu', .true. , .true. , 'yearly' , '' , '' sn_ccov = 'flx' , -1 , 'socliocl', .false. , .true. , 'yearly' , '' , '' sn_prec = 'flx' , -1 , 'socliopl', .false. , .true. , 'yearly' , '' , '' cn_dir = './' ! root directory for the location of the bulk files are / !----------------------------------------------------------------------- &namsbc_core ! namsbc_core CORE bulk formulea !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim ! 'yearly'/ ! weights ! rotation ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! sn_wndi = 'u_10.15JUNE2009_orca2' , 6 , 'U_10_MOD', .false. , .true. , 'yearly' , '' , 'Uwnd' sn_wndj = 'v_10.15JUNE2009_orca2' , 6 , 'V_10_MOD', .false. , .true. , 'yearly' , '' , 'Vwnd' sn_qsr = 'ncar_rad.15JUNE2009_orca2' , 24 , 'SWDN_MOD', .false. , .true. , 'yearly' , '' , '' sn_qlw = 'ncar_rad.15JUNE2009_orca2' , 24 , 'LWDN_MOD', .false. , .true. , 'yearly' , '' , '' sn_tair = 't_10.15JUNE2009_orca2' , 6 , 'T_10_MOD', .false. , .true. , 'yearly' , '' , '' sn_humi = 'q_10.15JUNE2009_orca2' , 6 , 'Q_10_MOD', .false. , .true. , 'yearly' , '' , '' sn_prec = 'ncar_precip.15JUNE2009_orca2', -1 , 'PRC_MOD1', .false. , .true. , 'yearly' , '' , '' sn_snow = 'ncar_precip.15JUNE2009_orca2', -1 , 'SNOW' , .false. , .true. , 'yearly' , '' , '' sn_tdif = 'taudif_core' , 24 , 'taudif' , .false. , .true. , 'yearly' , '' , '' cn_dir = './' ! root directory for the location of the bulk files ln_2m = .false. ! air temperature and humidity referenced at 2m (T) instead 10m (F) ln_taudif = .false. ! HF tau contribution: use "mean of stress module - module of the mean stress" data ? rn_pfac = 1. ! multiplicative factor for precipitation (total & snow) / !----------------------------------------------------------------------- &namsbc_cpl ! coupled ocean/atmosphere model ("key_coupled") !----------------------------------------------------------------------- ! ! send cn_snd_temperature= 'weighted oce and ice' ! 'oce only' 'weighted oce and ice' 'mixed oce-ice' cn_snd_albedo = 'weighted ice' ! 'none' 'weighted ice' 'mixed oce-ice' cn_snd_thickness = 'none' ! 'none' 'weighted ice and snow' cn_snd_crt_nature = 'none' ! 'none' 'oce only' 'weighted oce and ice' 'mixed oce-ice' cn_snd_crt_refere = 'spherical' ! 'spherical' 'cartesian' cn_snd_crt_orient = 'eastward-northward' ! 'eastward-northward' or 'local grid' cn_snd_crt_grid = 'T' ! 'T' ! ! receive cn_rcv_w10m = 'none' ! 'none' 'coupled' cn_rcv_taumod = 'coupled' ! 'none' 'coupled' cn_rcv_tau_nature = 'oce only' ! 'oce only' 'oce and ice' 'mixed oce-ice' cn_rcv_tau_refere = 'cartesian' ! 'spherical' 'cartesian' cn_rcv_tau_orient = 'eastward-northward' ! 'eastward-northward' or 'local grid' cn_rcv_tau_grid = 'U,V' ! 'T' 'U,V' 'U,V,F' 'U,V,I' 'T,F' 'T,I' 'T,U,V' cn_rcv_dqnsdt = 'coupled' ! 'none' 'coupled' cn_rcv_qsr = 'oce and ice' ! 'conservative' 'oce and ice' 'mixed oce-ice' cn_rcv_qns = 'oce and ice' ! 'conservative' 'oce and ice' 'mixed oce-ice' cn_rcv_emp = 'conservative' ! 'conservative' 'oce and ice' 'mixed oce-ice' cn_rcv_rnf = 'coupled' ! 'coupled' 'climato' 'mixed' cn_rcv_cal = 'coupled' ! 'none' 'coupled' / !----------------------------------------------------------------------- &namsbc_cpl_co2 ! coupled ocean/biogeo/atmosphere model ("key_cpl_carbon_cycle") !----------------------------------------------------------------------- cn_snd_co2 = 'coupled' ! send : 'none' 'coupled' cn_rcv_co2 = 'coupled' ! receive : 'none' 'coupled' / !----------------------------------------------------------------------- &namtra_qsr ! penetrative solar radiation !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim ! 'yearly'/ ! weights ! rotation ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! sn_chl ='chlorophyll', -1 , 'CHLA' , .true. , .true. , 'yearly' , '' , '' cn_dir = './' ! root directory for the location of the runoff files ln_traqsr = .false. ! Light penetration (T) or not (F) ln_qsr_rgb = .true. ! RGB (Red-Green-Blue) light penetration ln_qsr_2bd = .false. ! 2 bands light penetration ln_qsr_bio = .false. ! bio-model light penetration nn_chldta = 1 ! RGB : Chl data (=1) or cst value (=0) rn_abs = 0.58 ! RGB & 2 bands: fraction of light (rn_si1) rn_si0 = 0.35 ! RGB & 2 bands: shortess depth of extinction rn_si1 = 23.0 ! 2 bands: longest depth of extinction / !----------------------------------------------------------------------- &namsbc_rnf ! runoffs namelist surface boundary condition !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim ! 'yearly'/ ! weights ! rotation ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! sn_rnf = 'runoff_core_monthly' , -1 , 'sorunoff', .true. , .true. , 'yearly' , '' , '' sn_cnf = 'runoff_core_monthly' , 0 , 'socoefr0', .false. , .true. , 'yearly' , '' , '' sn_s_rnf = 'runoffs' , 24 , 'rosaline', .true. , .true. , 'yearly' , '' , '' sn_t_rnf = 'runoffs' , 24 , 'rotemper', .true. , .true. , 'yearly' , '' , '' sn_dep_rnf = 'runoffs' , 0 , 'rodepth' , .false. , .true. , 'yearly' , '' , '' cn_dir = './' ! root directory for the location of the runoff files ln_rnf_emp = .false. ! runoffs included into precipitation field (T) or into a file (F) ln_rnf_mouth = .false. ! specific treatment at rivers mouths rn_hrnf = 15.e0 ! depth over which enhanced vertical mixing is used rn_avt_rnf = 1.e-3 ! value of the additional vertical mixing coef. [m2/s] rn_rfact = 1.e0 ! multiplicative factor for runoff ln_rnf_depth = .false. ! read in depth information for runoff ln_rnf_tem = .false. ! read in temperature information for runoff ln_rnf_sal = .false. ! read in salinity information for runoff / !----------------------------------------------------------------------- &namsbc_apr ! Atmospheric pressure used as ocean forcing or in bulk !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interpol. ! clim ! 'yearly'/ ! weights ! rotation ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! sn_apr = 'patm' , -1 ,'somslpre', .true. , .true. , 'yearly' , '' , '' cn_dir = './' ! root directory for the location of the bulk files ln_ref_apr = .false. ! ref. pressure: global mean Patm (T) or a constant (F) / !----------------------------------------------------------------------- &namsbc_ssr ! surface boundary condition : sea surface restoring !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim ! 'yearly'/ ! weights ! rotation ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! sn_sst = 'sst_data' , 24 , 'sst' , .false. , .false., 'yearly' , '' , '' sn_sss = 'sss_data' , -1 , 'sss' , .true. , .true. , 'yearly' , '' , '' cn_dir = './' ! root directory for the location of the runoff files nn_sstr = 0 ! add a retroaction term in the surface heat flux (=1) or not (=0) nn_sssr = 2 ! add a damping term in the surface freshwater flux (=2) ! or to SSS only (=1) or no damping term (=0) rn_dqdt = -40. ! magnitude of the retroaction on temperature [W/m2/K] rn_deds = -27.7 ! magnitude of the damping on salinity [mm/day] ln_sssr_bnd = .true. ! flag to bound erp term (associated with nn_sssr=2) rn_sssr_bnd = 4.e0 ! ABS(Max/Min) value of the damping erp term [mm/day] / !----------------------------------------------------------------------- &namsbc_alb ! albedo parameters !----------------------------------------------------------------------- rn_cloud = 0.06 ! cloud correction to snow and ice albedo rn_albice = 0.53 ! albedo of melting ice in the arctic and antarctic rn_alphd = 0.80 ! coefficients for linear interpolation used to rn_alphc = 0.65 ! compute albedo between two extremes values rn_alphdi = 0.72 ! (Pyane, 1972) / !!====================================================================== !! *** Lateral boundary condition *** !!====================================================================== !! namlbc lateral momentum boundary condition !! namcla cross land advection !! namobc open boundaries parameters ("key_obc") !! namagrif agrif nested grid ( read by child model only ) ("key_agrif") !! nambdy Unstructured open boundaries ("key_bdy") !! namtide Tidal forcing at open boundaries ("key_bdy_tides") !!====================================================================== ! !----------------------------------------------------------------------- &namlbc ! lateral momentum boundary condition !----------------------------------------------------------------------- rn_shlat = 2. ! shlat = 0 ! 0 < shlat < 2 ! shlat = 2 ! 2 < shlat ! free slip ! partial slip ! no slip ! strong slip / !----------------------------------------------------------------------- &namcla ! cross land advection !----------------------------------------------------------------------- nn_cla = 0 ! advection between 2 ocean pts separates by land / !----------------------------------------------------------------------- &namobc ! open boundaries parameters ("key_obc") !----------------------------------------------------------------------- ln_obc_clim = .false. ! climatological obc data files (T) or not (F) ln_vol_cst = .true. ! impose the total volume conservation (T) or not (F) ln_obc_fla = .false. ! Flather open boundary condition nn_obcdta = 1 ! = 0 the obc data are equal to the initial state ! = 1 the obc data are read in 'obc.dta' files cn_obcdta = 'annual' ! set to annual if obc datafile hold 1 year of data ! set to monthly if obc datafile hold 1 month of data rn_dpein = 1. ! damping time scale for inflow at east open boundary rn_dpwin = 1. ! - - - west - - rn_dpnin = 1. ! - - - north - - rn_dpsin = 1. ! - - - south - - rn_dpeob = 3000. ! time relaxation (days) for the east open boundary rn_dpwob = 15. ! - - - west - - rn_dpnob = 3000. ! - - - north - - rn_dpsob = 15. ! - - - south - - rn_volemp = 1. ! = 0 the total volume change with the surface flux (E-P-R) ! = 1 the total volume remains constant / !----------------------------------------------------------------------- &namagrif ! AGRIF zoom ("key_agrif") !----------------------------------------------------------------------- nn_cln_update = 3 ! baroclinic update frequency ln_spc_dyn = .true. ! use 0 as special value for dynamics rn_sponge_tra = 2880. ! coefficient for tracer sponge layer [s] rn_sponge_dyn = 2880. ! coefficient for dynamics sponge layer [s] / !----------------------------------------------------------------------- &nambdy ! unstructured open boundaries ("key_bdy") !----------------------------------------------------------------------- cn_mask = '' ! name of mask file (if ln_bdy_mask=.TRUE.) cn_dta_frs_T = 'bdydata_grid_T.nc' ! name of data file (T-points) cn_dta_frs_U = 'bdydata_grid_U.nc' ! name of data file (U-points) cn_dta_frs_V = 'bdydata_grid_V.nc' ! name of data file (V-points) cn_dta_fla_T = 'bdydata_bt_grid_T.nc' ! name of data file for Flather condition (T-points) cn_dta_fla_U = 'bdydata_bt_grid_U.nc' ! name of data file for Flather condition (U-points) cn_dta_fla_V = 'bdydata_bt_grid_V.nc' ! name of data file for Flather condition (V-points) ln_clim = .false. ! contain 1 (T) or 12 (F) time dumps and be cyclic ln_vol = .false. ! total volume correction (see volbdy parameter) ln_mask = .false. ! boundary mask from filbdy_mask (T), boundaries are on edges of domain (F) ln_tides = .false. ! Apply tidal harmonic forcing with Flather condition ln_dyn_fla = .false. ! Apply Flather condition to velocities ln_tra_frs = .false. ! Apply FRS condition to temperature and salinity ln_dyn_frs = .false. ! Apply FRS condition to velocities nn_rimwidth = 9 ! width of the relaxation zone nn_dtactl = 1 ! = 0, bdy data are equal to the initial state ! = 1, bdy data are read in 'bdydata .nc' files nn_volctl = 0 ! = 0, the total water flux across open boundaries is zero ! = 1, the total volume of the system is conserved / !----------------------------------------------------------------------- &nambdy_tide ! tidal forcing at unstructured boundaries !----------------------------------------------------------------------- filtide = 'bdytide_' ! file name root of tidal forcing files tide_cpt = 'M2','S1' ! names of tidal components used tide_speed = 28.984106, 15.000001 ! phase speeds of tidal components (deg/hour) ln_tide_date= .false. ! adjust tidal harmonics for start date of run / !!====================================================================== !! *** Bottom boundary condition *** !!====================================================================== !! nambfr bottom friction !! nambbc bottom temperature boundary condition !! nambbl bottom boundary layer scheme ("key_trabbl") !!====================================================================== ! !----------------------------------------------------------------------- &nambfr ! bottom friction !----------------------------------------------------------------------- nn_bfr = 1 ! type of bottom friction : = 0 : free slip, = 1 : linear friction ! = 2 : nonlinear friction rn_bfri1 = 4.e-4 ! bottom drag coefficient (linear case) rn_bfri2 = 1.e-3 ! bottom drag coefficient (non linear case) rn_bfeb2 = 2.5e-3 ! bottom turbulent kinetic energy background (m^2/s^2) ln_bfr2d = .false. ! horizontal variation of the bottom friction coef (read a 2D mask file ) rn_bfrien = 50. ! local multiplying factor of bfr (ln_bfr2d = .true.) / !----------------------------------------------------------------------- &nambbc ! bottom temperature boundary condition !----------------------------------------------------------------------- ln_trabbc = .false. ! Apply a geothermal heating at the ocean bottom nn_geoflx = 2 ! geothermal heat flux: = 0 no flux ! = 1 constant flux ! = 2 variable flux (read in geothermal_heating.nc in mW/m2) rn_geoflx_cst = 86.4e-3 ! Constant value of geothermal heat flux [W/m2] / !----------------------------------------------------------------------- &nambbl ! bottom boundary layer scheme !----------------------------------------------------------------------- nn_bbl_ldf = 1 ! diffusive bbl (=1) or not (=0) nn_bbl_adv = 0 ! advective bbl (=1/2) or not (=0) rn_ahtbbl = 1000. ! lateral mixing coefficient in the bbl [m2/s] rn_gambbl = 10. ! advective bbl coefficient [s] / !!====================================================================== !! Tracer (T & S ) namelists !!====================================================================== !! nameos equation of state !! namtra_adv advection scheme !! namtra_ldf lateral diffusion scheme !! namtra_dmp T & S newtonian damping ("key_tradmp") !!====================================================================== !----------------------------------------------------------------------- &nameos ! ocean physical parameters !----------------------------------------------------------------------- nn_eos = 0 ! type of equation of state and Brunt-Vaisala frequency ! = 0, UNESCO (formulation of Jackett and McDougall (1994) and of McDougall (1987) ) ! = 1, linear: rho(T) = rau0 * ( 1.028 - ralpha * T ) ! = 2, linear: rho(T,S) = rau0 * ( rbeta * S - ralpha * T ) rn_alpha = 2.e-4 ! thermal expension coefficient (neos= 1 or 2) rn_beta = 0.001 ! saline expension coefficient (neos= 2) / !----------------------------------------------------------------------- &namtra_adv ! advection scheme for tracer !----------------------------------------------------------------------- ln_traadv_cen2 = .false. ! 2nd order centered scheme ln_traadv_tvd = .true. ! TVD scheme ln_traadv_muscl = .false. ! MUSCL scheme ln_traadv_muscl2 = .false. ! MUSCL2 scheme + cen2 at boundaries ln_traadv_ubs = .false. ! UBS scheme ln_traadv_qck = .false. ! QUCIKEST scheme / !----------------------------------------------------------------------- &namtra_ldf ! lateral diffusion scheme for tracer !----------------------------------------------------------------------- ! ! Type of the operator : 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) (require "key_ldfslp" when ln_sco=T) ln_traldf_iso = .true. ! iso-neutral (require "key_ldfslp") ln_traldf_grif = .false. ! griffies skew flux formulation (require "key_ldfslp") ! UNDER TEST, DO NOT USE ln_traldf_gdia = .false. ! griffies operator strfn diagnostics (require "key_ldfslp") ! UNDER TEST, DO NOT USE ! ! Coefficient rn_aht_0 = 2000. ! horizontal eddy diffusivity for tracers [m2/s] rn_ahtb_0 = 0. ! background eddy diffusivity for ldf_iso [m2/s] rn_aeiv_0 = 2000. ! eddy induced velocity coefficient [m2/s] (require "key_traldf_eiv") / !----------------------------------------------------------------------- &namtra_dmp ! tracer: T & S newtonian damping ('key_tradmp') !----------------------------------------------------------------------- nn_hdmp = -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 = 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 = 50. ! surface time scale of damping [days] rn_bot = 360. ! bottom time scale of damping [days] rn_dep = 800. ! depth of transition between rn_surf and rn_bot [meters] nn_file = 0 ! create a damping.coeff NetCDF file (=1) or not (=0) / !!====================================================================== !! *** Dynamics namelists *** !!====================================================================== !! namdyn_adv formulation of the momentum advection !! namdyn_vor advection scheme !! namdyn_hpg hydrostatic pressure gradient !! namdyn_spg surface pressure gradient (CPP key only) !! namdyn_ldf lateral diffusion scheme !! namdyn offline: dynamics read in files ("key_offline") !!====================================================================== ! !----------------------------------------------------------------------- &namdyn_adv ! formulation of the momentum advection !----------------------------------------------------------------------- ln_dynadv_vec = .true. ! vector form (T) or flux form (F) ln_dynadv_cen2= .false. ! flux form - 2nd order centered scheme ln_dynadv_ubs = .false. ! flux form - 3rd order UBS scheme / !----------------------------------------------------------------------- &namdyn_vor ! option of physics/algorithm (not control by CPP keys) !----------------------------------------------------------------------- ln_dynvor_ene = .false. ! enstrophy conserving scheme ln_dynvor_ens = .false. ! energy conserving scheme ln_dynvor_mix = .false. ! mixed scheme ln_dynvor_een = .true. ! energy & enstrophy scheme / !----------------------------------------------------------------------- &namdyn_hpg ! Hydrostatic pressure gradient option !----------------------------------------------------------------------- ln_hpg_zco = .false. ! z-coordinate - full steps ln_hpg_zps = .true. ! z-coordinate - partial steps (interpolation) ln_hpg_sco = .false. ! s-coordinate (standard jacobian formulation) ln_hpg_hel = .false. ! s-coordinate (helsinki modification) ln_hpg_wdj = .false. ! s-coordinate (weighted density jacobian) ln_hpg_djc = .false. ! s-coordinate (Density Jacobian with Cubic polynomial) ln_hpg_rot = .false. ! s-coordinate (ROTated axes scheme) rn_gamma = 0.e0 ! weighting coefficient (wdj scheme) ln_dynhpg_imp = .false. ! time stepping: semi-implicit time scheme (T) ! centered time scheme (F) / !----------------------------------------------------------------------- !namdyn_spg ! surface pressure gradient (CPP key only) !----------------------------------------------------------------------- ! ! explicit free surface ("key_dynspg_exp") ! ! filtered free surface ("key_dynspg_flt") ! ! split-explicit free surface ("key_dynspg_ts") !----------------------------------------------------------------------- &namdyn_ldf ! lateral diffusion on momentum !----------------------------------------------------------------------- ! ! Type of the operator : ln_dynldf_lap = .true. ! laplacian operator ln_dynldf_bilap = .false. ! bilaplacian operator ! ! Direction of action : ln_dynldf_level = .false. ! iso-level ln_dynldf_hor = .true. ! horizontal (geopotential) (require "key_ldfslp" in s-coord.) ln_dynldf_iso = .false. ! iso-neutral (require "key_ldfslp") ! ! Coefficient rn_ahm_0_lap = 40000. ! horizontal laplacian eddy viscosity [m2/s] rn_ahmb_0 = 0. ! background eddy viscosity for ldf_iso [m2/s] rn_ahm_0_blp = 0. ! horizontal bilaplacian eddy viscosity [m4/s] / !----------------------------------------------------------------------- &namdyn ! offline dynamics read in files ("key_offline") !----------------------------------------------------------------------- ndtadyn = 73 ! number of period in the file for one year ndtatot = 73 ! total number of period in the file nsptint = 1 ! indicator for time interpolation lperdyn = .true. ! periodicity of the unique file (T) ! F (default) computed with Blanke' scheme cfile_grid_T = 'dyna_grid_T.nc' ! name of grid_T file cfile_grid_U = 'dyna_grid_U.nc' ! name of grid_U file cfile_grid_V = 'dyna_grid_V.nc' ! name of grid_V file cfile_grid_W = 'dyna_grid_W.nc' ! name of grid_W file / !!====================================================================== !! Tracers & Dynamics vertical physics namelists !!====================================================================== !! namzdf vertical physics !! namzdf_ric richardson number dependent vertical mixing ("key_zdfric") !! namzdf_tke TKE dependent vertical mixing ("key_zdftke") !! namzdf_kpp KPP dependent vertical mixing ("key_zdfkpp") !! namzdf_ddm double diffusive mixing parameterization ("key_zdfddm") !! namzdf_tmx tidal mixing parameterization ("key_zdftmx") !!====================================================================== ! !----------------------------------------------------------------------- &namzdf ! vertical physics !----------------------------------------------------------------------- rn_avm0 = 1.2e-4 ! vertical eddy viscosity [m2/s] (background Kz if not "key_zdfcst") rn_avt0 = 1.2e-5 ! vertical eddy diffusivity [m2/s] (background Kz if not "key_zdfcst") nn_avb = 0 ! profile for background avt & avm (=1) or not (=0) nn_havtb = 0 ! horizontal shape for avtb (=1) or not (=0) ln_zdfevd = .true. ! enhanced vertical diffusion (evd) (T) or not (F) nn_evdm = 0 ! evd apply on tracer (=0) or on tracer and momentum (=1) rn_avevd = 100. ! evd mixing coefficient [m2/s] ln_zdfnpc = .false. ! Non-Penetrative algorithm (T) or not (F) nn_npc = 1 ! frequency of application of npc nn_npcp = 365 ! npc control print frequency ln_zdfexp = .false. ! time-stepping: split-explicit (T) or implicit (F) time stepping nn_zdfexp = 3 ! number of sub-timestep for ln_zdfexp=T / !----------------------------------------------------------------------- &namzdf_ric ! richardson number dependent vertical diffusion ("key_zdfric" ) !----------------------------------------------------------------------- rn_avmri = 100.e-4 ! maximum value of the vertical viscosity rn_alp = 5. ! coefficient of the parameterization nn_ric = 2 ! coefficient of the parameterization / !----------------------------------------------------------------------- &namzdf_tke ! turbulent eddy kinetic dependent vertical diffusion ("key_zdftke") !----------------------------------------------------------------------- rn_ediff = 0.1 ! coef. for vertical eddy coef. (avt=rn_ediff*mxl*sqrt(e) ) rn_ediss = 0.7 ! coef. of the Kolmogoroff dissipation rn_ebb = 67.83 ! coef. of the surface input of tke (=67.83 suggested when ln_mxl0=T) rn_emin = 1.e-6 ! minimum value of tke [m2/s2] rn_emin0 = 1.e-4 ! surface minimum value of tke [m2/s2] nn_mxl = 2 ! mixing length: = 0 bounded by the distance to surface and bottom ! = 1 bounded by the local vertical scale factor ! = 2 first vertical derivative of mixing length bounded by 1 ! = 3 as =2 with distinct disspipative an mixing length scale nn_pdl = 1 ! Prandtl number function of richarson number (=1, avt=pdl(Ri)*avm) or not (=0, avt=avm) ln_mxl0 = .true. ! surface mixing length scale = F(wind stress) (T) or not (F) rn_mxl0 = 0.04 ! surface buoyancy lenght scale minimum value ln_lc = .true. ! Langmuir cell parameterisation (Axell 2002) rn_lc = 0.15 ! coef. associated to Langmuir cells nn_etau = 1 ! penetration of tke below the mixed layer (ML) due to internal & intertial waves ! = 0 no penetration ! = 1 add a tke source below the ML ! = 2 add a tke source just at the base of the ML ! = 3 as = 1 applied on HF part of the stress ("key_coupled") rn_efr = 0.05 ! fraction of surface tke value which penetrates below the ML (nn_etau=1 or 2) nn_htau = 1 ! type of exponential decrease of tke penetration below the ML ! = 0 constant 10 m length scale ! = 1 0.5m at the equator to 30m poleward of 40 degrees / !------------------------------------------------------------------------ &namzdf_kpp ! K-Profile Parameterization dependent vertical mixing ("key_zdfkpp", and optionnally: !------------------------------------------------------------------------ "key_kppcustom" or "key_kpplktb") ln_kpprimix = .true. ! shear instability mixing rn_difmiw = 1.0e-04 ! constant internal wave viscosity [m2/s] rn_difsiw = 0.1e-04 ! constant internal wave diffusivity [m2/s] rn_riinfty = 0.8 ! local Richardson Number limit for shear instability rn_difri = 0.0050 ! maximum shear mixing at Rig = 0 [m2/s] rn_bvsqcon = -0.01e-07 ! Brunt-Vaisala squared for maximum convection [1/s2] rn_difcon = 1. ! maximum mixing in interior convection [m2/s] nn_avb = 0 ! horizontal averaged (=1) or not (=0) on avt and amv nn_ave = 1 ! constant (=0) or profile (=1) background on avt / !----------------------------------------------------------------------- &namzdf_gls ! GLS vertical diffusion ("key_zdfgls") !----------------------------------------------------------------------- rn_emin = 1.e-6 ! minimum value of e [m2/s2] rn_epsmin = 1.e-12 ! minimum value of eps [m2/s3] ln_length_lim = .true. ! limit on the dissipation rate under stable stratification (Galperin et al., 1988) rn_clim_galp = 0.53 ! galperin limit ln_crban = .TRUE. ! Use Craig & Banner (1994) surface wave mixing parametrisation ln_sigpsi = .TRUE. ! Activate or not Burchard 2001 mods on psi schmidt number in the wb case rn_crban = 100. ! Craig and Banner 1994 constant for wb tke flux rn_charn = 70000. ! Charnock constant for wb induced roughness length nn_tkebc_surf = 1 ! surface tke condition (0/1/2=Dir/Neum/Dir Mellor-Blumberg) nn_tkebc_bot = 1 ! bottom tke condition (0/1=Dir/Neum) nn_psibc_surf = 1 ! surface psi condition (0/1/2=Dir/Neum/Dir Mellor-Blumberg) nn_psibc_bot = 1 ! bottom psi condition (0/1=Dir/Neum) nn_stab_func = 2 ! stability function (0=Galp, 1= KC94, 2=CanutoA, 3=CanutoB) nn_clos = 1 ! predefined closure type (0=MY82, 1=k-eps, 2=k-w, 3=Gen) / !----------------------------------------------------------------------- &namzdf_ddm ! double diffusive mixing parameterization ("key_zdfddm") !----------------------------------------------------------------------- rn_avts = 1.e-4 ! maximum avs (vertical mixing on salinity) rn_hsbfr = 1.6 ! heat/salt buoyancy flux ratio / !----------------------------------------------------------------------- &namzdf_tmx ! tidal mixing parameterization ("key_zdftmx") !----------------------------------------------------------------------- rn_htmx = 500. ! vertical decay scale for turbulence (meters) rn_n2min = 1.e-8 ! threshold of the Brunt-Vaisala frequency (s-1) rn_tfe = 0.333 ! tidal dissipation efficiency rn_me = 0.2 ! mixing efficiency ln_tmx_itf = .FALSE. ! ITF specific parameterisation rn_tfe_itf = 1. ! ITF tidal dissipation efficiency / !!====================================================================== !! *** Miscelaneous namelists *** !!====================================================================== !! nammpp Massively Parallel Processing ("key_mpp_mpi) !! namctl Control prints & Benchmark !! namsol elliptic solver / island / free surface !!====================================================================== ! !----------------------------------------------------------------------- &namsol ! elliptic solver / island / free surface !----------------------------------------------------------------------- nn_solv = 1 ! elliptic solver: =1 preconditioned conjugate gradient (pcg) ! =2 successive-over-relaxation (sor) nn_sol_arp = 0 ! absolute/relative (0/1) precision convergence test rn_eps = 1.e-6 ! absolute precision of the solver nn_nmin = 300 ! minimum of iterations for the SOR solver nn_nmax = 800 ! maximum of iterations for the SOR solver nn_nmod = 10 ! frequency of test for the SOR solver rn_resmax = 1.e-10 ! absolute precision for the SOR solver rn_sor = 1.92 ! optimal coefficient for SOR solver (to be adjusted with the domain) / !----------------------------------------------------------------------- &nammpp ! Massively Parallel Processing ("key_mpp_mpi) !----------------------------------------------------------------------- cn_mpi_send = 'I' ! mpi send/recieve type ='S', 'B', or 'I' for standard send, ! buffer blocking send or immediate non-blocking sends, resp. nn_buffer = 0 ! size in bytes of exported buffer ('B' case), 0 no exportation jpni = 0 ! jpni number of processors following i (set automatically if < 1) jpnj = 0 ! jpnj number of processors following j (set automatically if < 1) jpnij = 0 ! jpnij number of local domains (set automatically if < 1) / !----------------------------------------------------------------------- &namctl ! Control prints & Benchmark !----------------------------------------------------------------------- ln_ctl = .false. ! trends control print (expensive!) nn_print = 0 ! level of print (0 no extra print) nn_ictls = 0 ! start i indice of control sum (use to compare mono versus nn_ictle = 0 ! end i indice of control sum multi processor runs nn_jctls = 0 ! start j indice of control over a subdomain) nn_jctle = 0 ! end j indice of control nn_isplt = 1 ! number of processors in i-direction nn_jsplt = 1 ! number of processors in j-direction nn_bench = 0 ! Bench mode (1/0): CAUTION use zero except for bench ! (no physical validity of the results) / !!====================================================================== !! *** Diagnostics namelists *** !!====================================================================== !! namnc4 netcdf4 chunking and compression settings ("key_netcdf4") !! namtrd dynamics and/or tracer trends ("key_trddyn","key_trdtra","key_trdmld") !! namflo float parameters ("key_float") !! namptr Poleward Transport Diagnostics !! namhsb Heat and salt budgets !!====================================================================== ! !----------------------------------------------------------------------- &namnc4 ! netcdf4 chunking and compression settings ("key_netcdf4") !----------------------------------------------------------------------- nn_nchunks_i= 4 ! number of chunks in i-dimension nn_nchunks_j= 4 ! number of chunks in j-dimension nn_nchunks_k= 31 ! number of chunks in k-dimension ! setting nn_nchunks_k = jpk will give a chunk size of 1 in the vertical which ! is optimal for postprocessing which works exclusively with horizontal slabs ln_nc4zip = .TRUE. ! (T) use netcdf4 chunking and compression ! (F) ignore chunking information and produce netcdf3-compatible files / !----------------------------------------------------------------------- &namtrd ! diagnostics on dynamics and/or tracer trends ("key_trddyn" and/or "key_trdtra") ! ! or mixed-layer trends or barotropic vorticity ("key_trdmld" or "key_trdvor") !----------------------------------------------------------------------- nn_trd = 365 ! time step frequency dynamics and tracers trends nn_ctls = 0 ! control surface type in mixed-layer trends (0,1 or n /seconds ; =86400. -> /day) cn_trdrst_in = "restart_mld" ! suffix of ocean restart name (input) cn_trdrst_out = "restart_mld" ! suffix of ocean restart name (output) ln_trdmld_restart = .false. ! restart for ML diagnostics ln_trdmld_instant = .false. ! flag to diagnose trends of instantantaneous or mean ML T/S / !----------------------------------------------------------------------- &namflo ! float parameters ("key_float") !----------------------------------------------------------------------- ln_rstflo = .false. ! float restart (T) or not (F) nn_writefl = 75 ! frequency of writing in float output file nn_stockfl = 5475 ! frequency of creation of the float restart file ln_argo = .false. ! Argo type floats (stay at the surface each 10 days) ln_flork4 = .false. ! trajectories computed with a 4th order Runge-Kutta (T) ! or computed with Blanke' scheme (F) ! or computed with Blanke' scheme (F) / !----------------------------------------------------------------------- &namptr ! Poleward Transport Diagnostic !----------------------------------------------------------------------- ln_diaptr = .false. ! Poleward heat and salt transport (T) or not (F) ln_diaznl = .false. ! Add zonal means and meridional stream functions ln_subbas = .false. ! Atlantic/Pacific/Indian basins computation (T) or not ! (orca configuration only, need input basins mask file named "subbasins.nc" ln_ptrcomp = .false. ! Add decomposition : overturning nn_fptr = 1 ! Frequency of ptr computation [time step] nn_fwri = 15 ! Frequency of ptr outputs [time step] / !----------------------------------------------------------------------- &namhsb ! Heat and salt budgets !----------------------------------------------------------------------- ln_diahsb = .false. ! check the heat and salt budgets (T) or not (F) / !!====================================================================== !! *** Observation & Assimilation namelists *** !!====================================================================== !! namobs observation and model comparison ('key_diaobs') !! nam_asminc assimilation increments ('key_asminc') !!====================================================================== ! !----------------------------------------------------------------------- &namobs ! observation usage switch ('key_diaobs') !----------------------------------------------------------------------- ln_t3d = .false. ! Logical switch for T profile observations ln_s3d = .false. ! Logical switch for S profile observations ln_ena = .false. ! Logical switch for ENACT insitu data set ! ! ln_cor Logical switch for Coriolis insitu data set ln_profb = .false. ! Logical switch for feedback insitu data set ln_sla = .false. ! Logical switch for SLA observations ln_sladt = .false. ! Logical switch for AVISO SLA data ln_slafb = .false. ! Logical switch for feedback SLA data ! ln_ssh Logical switch for SSH observations ln_sst = .false. ! Logical switch for SST observations ! ln_reysst Logical switch for Reynolds observations ! ln_ghrsst Logical switch for GHRSST observations ln_sstfb = .false. ! Logical switch for feedback SST data ! ln_sss Logical switch for SSS observations ! ln_seaice Logical switch for Sea Ice observations ! ln_vel3d Logical switch for velocity observations ! ln_velavcur Logical switch for velocity daily av. cur. ! ln_velhrcur Logical switch for velocity high freq. cur. ! ln_velavadcp Logical switch for velocity daily av. ADCP ! ln_velhradcp Logical switch for velocity high freq. ADCP ! ln_velfb Logical switch for feedback velocity data ! ln_grid_global Global distribtion of observations ! ln_grid_search_lookup Logical switch for obs grid search w/lookup table ! grid_search_file Grid search lookup file header ! enactfiles ENACT input observation file names ! coriofiles Coriolis input observation file name ! ! profbfiles: Profile feedback input observation file name profbfiles = 'profiles_01.nc' ! ln_profb_enatim Enact feedback input time setting switch ! slafilesact Active SLA input observation file name ! slafilespas Passive SLA input observation file name ! ! slafbfiles: Feedback SLA input observation file name slafbfiles = 'sla_01.nc' ! sstfiles GHRSST input observation file name ! ! sstfbfiles: Feedback SST input observation file name sstfbfiles = 'sst_01.nc' 'sst_02.nc' 'sst_03.nc' 'sst_04.nc' 'sst_05.nc' ! seaicefiles Sea Ice input observation file name ! velavcurfiles Vel. cur. daily av. input file name ! velhvcurfiles Vel. cur. high freq. input file name ! velavadcpfiles Vel. ADCP daily av. input file name ! velhvadcpfiles Vel. ADCP high freq. input file name ! velfbfiles Vel. feedback input observation file name ! dobsini Initial date in window YYYYMMDD.HHMMSS ! dobsend Final date in window YYYYMMDD.HHMMSS ! n1dint Type of vertical interpolation method ! n2dint Type of horizontal interpolation method ! ln_nea Rejection of observations near land switch nmsshc = 0 ! MSSH correction scheme ! mdtcorr MDT correction ! mdtcutoff MDT cutoff for computed correction ln_altbias = .false. ! Logical switch for alt bias ln_ignmis = .true. ! Logical switch for ignoring missing files ! endailyavtypes ENACT daily average types ln_grid_global = .true. ln_grid_search_lookup = .false. / !----------------------------------------------------------------------- &nam_asminc ! assimilation increments ('key_asminc') !----------------------------------------------------------------------- ln_bkgwri = .false. ! Logical switch for writing out background state ln_trjwri = .false. ! Logical switch for writing out state trajectory ln_trainc = .false. ! Logical switch for applying tracer increments ln_dyninc = .false. ! Logical switch for applying velocity increments ln_sshinc = .false. ! Logical switch for applying SSH increments ln_asmdin = .false. ! Logical switch for Direct Initialization (DI) ln_asmiau = .false. ! Logical switch for Incremental Analysis Updating (IAU) nitbkg = 0 ! Timestep of background in [0,nitend-nit000-1] nitdin = 0 ! Timestep of background for DI in [0,nitend-nit000-1] nitiaustr = 1 ! Timestep of start of IAU interval in [0,nitend-nit000-1] nitiaufin = 15 ! Timestep of end of IAU interval in [0,nitend-nit000-1] niaufn = 0 ! Type of IAU weighting function nittrjfrq = 0 ! Frequency of trajectory output for 4D-VAR ln_salfix = .false. ! Logical switch for ensuring that the sa > salfixmin salfixmin = -9999 ! Minimum salinity after applying the increments /