! This file was written by the model and records the non-default parameters used at run-time. ! === module MOM === ! === module MOM_unit_scaling === ! Parameters for doing unit scaling of variables. USE_REGRIDDING = True ! [Boolean] default = False ! If True, use the ALE algorithm (regridding/remapping). If False, use the ! layered isopycnal algorithm. THICKNESSDIFFUSE = True ! [Boolean] default = False ! If true, interface heights are diffused with a coefficient of KHTH. THICKNESSDIFFUSE_FIRST = True ! [Boolean] default = False ! If true, do thickness diffusion before dynamics. This is only used if ! THICKNESSDIFFUSE is true. DT = @[DT_DYNAM_MOM6] ! [s] ! The (baroclinic) dynamics time step. The time-step that is actually used will ! be an integer fraction of the forcing time-step (DT_FORCING in ocean-only mode ! or the coupling timestep in coupled mode.) DT_THERM = @[DT_THERM_MOM6] ! [s] default = 1800.0 ! The thermodynamic and tracer advection time step. Ideally DT_THERM should be ! an integer multiple of DT and less than the forcing or coupling time-step, ! unless THERMO_SPANS_COUPLING is true, in which case DT_THERM can be an integer ! multiple of the coupling timestep. By default DT_THERM is set to DT. THERMO_SPANS_COUPLING = @[MOM6_THERMO_SPAN] ! [Boolean] default = False ! If true, the MOM will take thermodynamic and tracer timesteps that can be ! longer than the coupling timestep. The actual thermodynamic timestep that is ! used in this case is the largest integer multiple of the coupling timestep ! that is less than or equal to DT_THERM. HFREEZE = 20.0 ! [m] default = -1.0 ! If HFREEZE > 0, melt potential will be computed. The actual depth ! over which melt potential is computed will be min(HFREEZE, OBLD) ! where OBLD is the boundary layer depth. If HFREEZE <= 0 (default) ! melt potential will not be computed. FRAZIL = True ! [Boolean] default = False ! If true, water freezes if it gets too cold, and the accumulated heat deficit ! is returned in the surface state. FRAZIL is only used if ! ENABLE_THERMODYNAMICS is true. BOUND_SALINITY = True ! [Boolean] default = False ! If true, limit salinity to being positive. (The sea-ice model may ask for more ! salt than is available and drive the salinity negative otherwise.) ! === module MOM_domains === TRIPOLAR_N = True ! [Boolean] default = False ! Use tripolar connectivity at the northern edge of the domain. With ! TRIPOLAR_N, NIGLOBAL must be even. NIGLOBAL = @[NX_GLB] ! ! The total number of thickness grid points in the x-direction in the physical ! domain. With STATIC_MEMORY_ this is set in MOM_memory.h at compile time. NJGLOBAL = @[NY_GLB] ! ! The total number of thickness grid points in the y-direction in the physical ! domain. With STATIC_MEMORY_ this is set in MOM_memory.h at compile time. ! === module MOM_hor_index === ! Sets the horizontal array index types. ! === module MOM_fixed_initialization === INPUTDIR = "INPUT" ! default = "." ! The directory in which input files are found. ! === module MOM_grid_init === GRID_CONFIG = "mosaic" ! ! A character string that determines the method for defining the horizontal ! grid. Current options are: ! mosaic - read the grid from a mosaic (supergrid) ! file set by GRID_FILE. ! cartesian - use a (flat) Cartesian grid. ! spherical - use a simple spherical grid. ! mercator - use a Mercator spherical grid. GRID_FILE = "ocean_hgrid.nc" ! ! Name of the file from which to read horizontal grid data. GRID_ROTATION_ANGLE_BUGS = False ! [Boolean] default = True ! If true, use an older algorithm to calculate the sine and ! cosines needed rotate between grid-oriented directions and ! true north and east. Differences arise at the tripolar fold USE_TRIPOLAR_GEOLONB_BUG = False ! [Boolean] default = True ! If true, use older code that incorrectly sets the longitude in some points ! along the tripolar fold to be off by 360 degrees. TOPO_CONFIG = "file" ! ! This specifies how bathymetry is specified: ! file - read bathymetric information from the file ! specified by (TOPO_FILE). ! flat - flat bottom set to MAXIMUM_DEPTH. ! bowl - an analytically specified bowl-shaped basin ! ranging between MAXIMUM_DEPTH and MINIMUM_DEPTH. ! spoon - a similar shape to 'bowl', but with an vertical ! wall at the southern face. ! halfpipe - a zonally uniform channel with a half-sine ! profile in the meridional direction. ! bbuilder - build topography from list of functions. ! benchmark - use the benchmark test case topography. ! Neverworld - use the Neverworld test case topography. ! DOME - use a slope and channel configuration for the ! DOME sill-overflow test case. ! ISOMIP - use a slope and channel configuration for the ! ISOMIP test case. ! DOME2D - use a shelf and slope configuration for the ! DOME2D gravity current/overflow test case. ! Kelvin - flat but with rotated land mask. ! seamount - Gaussian bump for spontaneous motion test case. ! dumbbell - Sloshing channel with reservoirs on both ends. ! shelfwave - exponential slope for shelfwave test case. ! Phillips - ACC-like idealized topography used in the Phillips config. ! dense - Denmark Strait-like dense water formation and overflow. ! USER - call a user modified routine. TOPO_FILE = "ocean_topog.nc" ! default = "topog.nc" ! The file from which the bathymetry is read. !MAXIMUM_DEPTH = 5801.341919389728 ! [m] ! The (diagnosed) maximum depth of the ocean. MINIMUM_DEPTH = 10.0 ! [m] default = 0.0 ! If MASKING_DEPTH is unspecified, then anything shallower than MINIMUM_DEPTH is ! assumed to be land and all fluxes are masked out. If MASKING_DEPTH is ! specified, then all depths shallower than MINIMUM_DEPTH but deeper than ! MASKING_DEPTH are rounded to MINIMUM_DEPTH. ! === module MOM_open_boundary === ! Controls where open boundaries are located, what kind of boundary condition to impose, and what data to apply, ! if any. MASKING_DEPTH = 0.0 ! [m] default = -9999.0 ! The depth below which to mask points as land points, for which all fluxes are ! zeroed out. MASKING_DEPTH is ignored if negative. ! === module MOM_verticalGrid === ! Parameters providing information about the vertical grid. NK = 25 ! [nondim] ! The number of model layers. ! === module MOM_tracer_registry === ! === module MOM_EOS === TFREEZE_FORM = "MILLERO_78" ! default = "LINEAR" ! TFREEZE_FORM determines which expression should be used for the freezing ! point. Currently, the valid choices are "LINEAR", "MILLERO_78", "TEOS10" ! === module MOM_restart === RESTART_CHECKSUMS_REQUIRED = False ! === module MOM_tracer_flow_control === ! === module MOM_coord_initialization === COORD_CONFIG = "file" ! default = "none" ! This specifies how layers are to be defined: ! ALE or none - used to avoid defining layers in ALE mode ! file - read coordinate information from the file ! specified by (COORD_FILE). ! BFB - Custom coords for buoyancy-forced basin case ! based on SST_S, T_BOT and DRHO_DT. ! linear - linear based on interfaces not layers ! layer_ref - linear based on layer densities ! ts_ref - use reference temperature and salinity ! ts_range - use range of temperature and salinity ! (T_REF and S_REF) to determine surface density ! and GINT calculate internal densities. ! gprime - use reference density (RHO_0) for surface ! density and GINT calculate internal densities. ! ts_profile - use temperature and salinity profiles ! (read from COORD_FILE) to set layer densities. ! USER - call a user modified routine. COORD_FILE = "layer_coord25.nc" ! ! The file from which the coordinate densities are read. REGRIDDING_COORDINATE_MODE = "HYCOM1" ! default = "LAYER" ! Coordinate mode for vertical regridding. Choose among the following ! possibilities: LAYER - Isopycnal or stacked shallow water layers ! ZSTAR, Z* - stretched geopotential z* ! SIGMA_SHELF_ZSTAR - stretched geopotential z* ignoring shelf ! SIGMA - terrain following coordinates ! RHO - continuous isopycnal ! HYCOM1 - HyCOM-like hybrid coordinate ! SLIGHT - stretched coordinates above continuous isopycnal ! ADAPTIVE - optimize for smooth neutral density surfaces BOUNDARY_EXTRAPOLATION = True ! [Boolean] default = False ! When defined, a proper high-order reconstruction scheme is used within ! boundary cells rather than PCM. E.g., if PPM is used for remapping, a PPM ! reconstruction will also be used within boundary cells. ALE_COORDINATE_CONFIG = "HYBRID:hycom1_25.nc,sigma2,FNC1:5,4000,4.5,.01" ! default = "UNIFORM" ! Determines how to specify the coordinate ! resolution. Valid options are: ! PARAM - use the vector-parameter ALE_RESOLUTION ! UNIFORM[:N] - uniformly distributed ! FILE:string - read from a file. The string specifies ! the filename and variable name, separated ! by a comma or space, e.g. FILE:lev.nc,dz ! or FILE:lev.nc,interfaces=zw ! WOA09[:N] - the WOA09 vertical grid (approximately) ! FNC1:string - FNC1:dz_min,H_total,power,precision ! HYBRID:string - read from a file. The string specifies ! the filename and two variable names, separated ! by a comma or space, for sigma-2 and dz. e.g. ! HYBRID:vgrid.nc,sigma2,dz !ALE_RESOLUTION = 2*5.0, 5.01, 5.07, 5.25, 5.68, 6.55, 8.1, 10.66, 14.620000000000001, 20.450000000000003, 28.73, 40.1, 55.32, 75.23, 100.8, 133.09, 173.26, 222.62, 282.56, 354.62, 440.47, 541.87, 660.76, 799.1800000000001 ! [m] ! The distribution of vertical resolution for the target ! grid used for Eulerian-like coordinates. For example, ! in z-coordinate mode, the parameter is a list of level ! thicknesses (in m). In sigma-coordinate mode, the list ! is of non-dimensional fractions of the water column. !TARGET_DENSITIES = 1010.0, 1020.843017578125, 1027.0274658203125, 1029.279541015625, 1030.862548828125, 1032.1572265625, 1033.27978515625, 1034.251953125, 1034.850830078125, 1035.28857421875, 1035.651123046875, 1035.967529296875, 1036.2410888671875, 1036.473876953125, 1036.6800537109375, 1036.8525390625, 1036.9417724609375, 1037.0052490234375, 1037.057373046875, 1037.1065673828125, 1037.15576171875, 1037.2060546875, 1037.26416015625, 1037.3388671875, 1037.4749755859375, 1038.0 ! [m] ! HYBRID target densities for itnerfaces REGRID_COMPRESSIBILITY_FRACTION = 0.01 ! [not defined] default = 0.0 ! When interpolating potential density profiles we can add ! some artificial compressibility solely to make homogenous ! regions appear stratified. MAXIMUM_INT_DEPTH_CONFIG = "FNC1:5,8000.0,1.0,.125" ! default = "NONE" ! Determines how to specify the maximum interface depths. ! Valid options are: ! NONE - there are no maximum interface depths ! PARAM - use the vector-parameter MAXIMUM_INTERFACE_DEPTHS ! FILE:string - read from a file. The string specifies ! the filename and variable name, separated ! by a comma or space, e.g. FILE:lev.nc,Z ! FNC1:string - FNC1:dz_min,H_total,power,precision !MAXIMUM_INT_DEPTHS = 0.0, 5.0, 36.25, 93.75, 177.5, 287.5, 423.75, 586.25, 775.0, 990.0, 1231.25, 1498.75, 1792.5, 2112.5, 2458.75, 2831.25, 3230.0, 3655.0, 4106.25, 4583.75, 5087.5, 5617.5, 6173.75, 6756.25, 7365.0, 8000.0 ! [m] ! The list of maximum depths for each interface. MAX_LAYER_THICKNESS_CONFIG = "FNC1:400,31000.0,0.1,.01" ! default = "NONE" ! Determines how to specify the maximum layer thicknesses. ! Valid options are: ! NONE - there are no maximum layer thicknesses ! PARAM - use the vector-parameter MAX_LAYER_THICKNESS ! FILE:string - read from a file. The string specifies ! the filename and variable name, separated ! by a comma or space, e.g. FILE:lev.nc,Z ! FNC1:string - FNC1:dz_min,H_total,power,precision !MAX_LAYER_THICKNESS = 400.0, 1094.2, 1144.02, 1174.81, 1197.42, 1215.4099999999999, 1230.42, 1243.3200000000002, 1254.65, 1264.78, 1273.94, 1282.31, 1290.02, 1297.17, 1303.85, 1310.1, 1316.0, 1321.5700000000002, 1326.85, 1331.87, 1336.67, 1341.25, 1345.6399999999999, 1349.85, 1353.88 ! [m] ! The list of maximum thickness for each layer. REMAPPING_SCHEME = "PPM_H4" ! default = "PLM" ! This sets the reconstruction scheme used for vertical remapping for all ! variables. It can be one of the following schemes: PCM (1st-order ! accurate) ! PLM (2nd-order accurate) ! PPM_H4 (3rd-order accurate) ! PPM_IH4 (3rd-order accurate) ! PQM_IH4IH3 (4th-order accurate) ! PQM_IH6IH5 (5th-order accurate) ! === module MOM_grid === ! Parameters providing information about the lateral grid. ! === module MOM_state_initialization === INIT_LAYERS_FROM_Z_FILE = True ! [Boolean] default = False ! If true, initialize the layer thicknesses, temperatures, and salinities from a ! Z-space file on a latitude-longitude grid. ! === module MOM_initialize_layers_from_Z === TEMP_SALT_Z_INIT_FILE = "" ! default = "temp_salt_z.nc" ! The name of the z-space input file used to initialize ! temperatures (T) and salinities (S). If T and S are not ! in the same file, TEMP_Z_INIT_FILE and SALT_Z_INIT_FILE ! must be set. TEMP_Z_INIT_FILE = "woa18_decav_t00_01.nc" ! default = "" ! The name of the z-space input file used to initialize ! temperatures, only. SALT_Z_INIT_FILE = "woa18_decav_s00_01.nc" ! default = "" ! The name of the z-space input file used to initialize ! temperatures, only. Z_INIT_FILE_PTEMP_VAR = "t_an" ! default = "ptemp" ! The name of the potential temperature variable in ! TEMP_Z_INIT_FILE. Z_INIT_FILE_SALT_VAR = "s_an" ! default = "salt" ! The name of the salinity variable in ! SALT_Z_INIT_FILE. Z_INIT_ALE_REMAPPING = True ! [Boolean] default = False ! If True, then remap straight to model coordinate from file. ! === module MOM_diag_mediator === NUM_DIAG_COORDS = 1 ! The number of diagnostic vertical coordinates to use. ! For each coordinate, an entry in DIAG_COORDS must be provided. DIAG_COORDS = "z Z ZSTAR" ! A list of string tuples associating diag_table modules to ! a coordinate definition used for diagnostics. Each string ! is of the form "MODULE_SUFFIX,PARAMETER_SUFFIX,COORDINATE_NAME". DIAG_COORD_DEF_Z="FILE:@[MOM6_DIAG_COORD_DEF_Z_FILE],interfaces=zw" DIAG_MISVAL = @[MOM6_DIAG_MISVAL] ! === module MOM_MEKE === USE_MEKE = True ! [Boolean] default = False ! If true, turns on the MEKE scheme which calculates a sub-grid mesoscale eddy ! kinetic energy budget. ! === module MOM_lateral_mixing_coeffs === USE_VARIABLE_MIXING = True ! [Boolean] default = False ! If true, the variable mixing code will be called. This allows diagnostics to ! be created even if the scheme is not used. If KHTR_SLOPE_CFF>0 or ! KhTh_Slope_Cff>0, this is set to true regardless of what is in the parameter ! file. ! === module MOM_set_visc === CHANNEL_DRAG = True ! [Boolean] default = False ! If true, the bottom drag is exerted directly on each layer proportional to the ! fraction of the bottom it overlies. HBBL = 10.0 ! [m] ! The thickness of a bottom boundary layer with a viscosity of KVBBL if ! BOTTOMDRAGLAW is not defined, or the thickness over which near-bottom ! velocities are averaged for the drag law if BOTTOMDRAGLAW is defined but ! LINEAR_DRAG is not. KV = 1.0E-04 ! [m2 s-1] ! The background kinematic viscosity in the interior. The molecular value, ~1e-6 ! m2 s-1, may be used. ! === module MOM_continuity === ! === module MOM_continuity_PPM === ! === module MOM_CoriolisAdv === CORIOLIS_SCHEME = "SADOURNY75_ENSTRO" ! default = "SADOURNY75_ENERGY" ! CORIOLIS_SCHEME selects the discretization for the Coriolis terms. Valid ! values are: ! SADOURNY75_ENERGY - Sadourny, 1975; energy cons. ! ARAKAWA_HSU90 - Arakawa & Hsu, 1990 ! SADOURNY75_ENSTRO - Sadourny, 1975; enstrophy cons. ! ARAKAWA_LAMB81 - Arakawa & Lamb, 1981; En. + Enst. ! ARAKAWA_LAMB_BLEND - A blend of Arakawa & Lamb with ! Arakawa & Hsu and Sadourny energy BOUND_CORIOLIS = True ! [Boolean] default = False ! If true, the Coriolis terms at u-points are bounded by the four estimates of ! (f+rv)v from the four neighboring v-points, and similarly at v-points. This ! option would have no effect on the SADOURNY Coriolis scheme if it were ! possible to use centered difference thickness fluxes. ! === module MOM_PressureForce === ! === module MOM_PressureForce_AFV === MASS_WEIGHT_IN_PRESSURE_GRADIENT = True ! [Boolean] default = False ! If true, use mass weighting when interpolating T/S for integrals near the ! bathymetry in AFV pressure gradient calculations. ! === module MOM_hor_visc === LAPLACIAN = True ! [Boolean] default = False ! If true, use a Laplacian horizontal viscosity. KH_VEL_SCALE = 0.01 ! [m s-1] default = 0.0 ! The velocity scale which is multiplied by the grid spacing to calculate the ! Laplacian viscosity. The final viscosity is the largest of this scaled ! viscosity, the Smagorinsky and Leith viscosities, and KH. KH_SIN_LAT = 2000.0 ! [m2 s-1] default = 0.0 ! The amplitude of a latitudinally-dependent background viscosity of the form ! KH_SIN_LAT*(SIN(LAT)**KH_PWR_OF_SINE). SMAGORINSKY_KH = True ! [Boolean] default = False ! If true, use a Smagorinsky nonlinear eddy viscosity. SMAG_LAP_CONST = 0.15 ! [nondim] default = 0.0 ! The nondimensional Laplacian Smagorinsky constant, often 0.15. AH_VEL_SCALE = 0.01 ! [m s-1] default = 0.0 ! The velocity scale which is multiplied by the cube of the grid spacing to ! calculate the biharmonic viscosity. The final viscosity is the largest of this ! scaled viscosity, the Smagorinsky and Leith viscosities, and AH. SMAGORINSKY_AH = True ! [Boolean] default = False ! If true, use a biharmonic Smagorinsky nonlinear eddy viscosity. SMAG_BI_CONST = 0.06 ! [nondim] default = 0.0 ! The nondimensional biharmonic Smagorinsky constant, typically 0.015 - 0.06. USE_LAND_MASK_FOR_HVISC = True ! [Boolean] default = False ! If true, use Use the land mask for the computation of thicknesses at velocity ! locations. This eliminates the dependence on arbitrary values over land or ! outside of the domain. ! === module MOM_vert_friction === HMIX_FIXED = 0.5 ! [m] ! The prescribed depth over which the near-surface viscosity and diffusivity are ! elevated when the bulk mixed layer is not used. KVML = 1.0E-04 ! [m2 s-1] default = 1.0E-04 ! The kinematic viscosity in the mixed layer. A typical value is ~1e-2 m2 s-1. ! KVML is not used if BULKMIXEDLAYER is true. The default is set by KV. MAXVEL = 6.0 ! [m s-1] default = 3.0E+08 ! The maximum velocity allowed before the velocity components are truncated. ! === module MOM_barotropic === BOUND_BT_CORRECTION = True ! [Boolean] default = False ! If true, the corrective pseudo mass-fluxes into the barotropic solver are ! limited to values that require less than maxCFL_BT_cont to be accommodated. BT_PROJECT_VELOCITY = True ! [Boolean] default = False ! If true, step the barotropic velocity first and project out the velocity ! tendency by 1+BEBT when calculating the transport. The default (false) is to ! use a predictor continuity step to find the pressure field, and then to do a ! corrector continuity step using a weighted average of the old and new ! velocities, with weights of (1-BEBT) and BEBT. DYNAMIC_SURFACE_PRESSURE = False ! [Boolean] default = False ! If true, add a dynamic pressure due to a viscous ice shelf, for instance. BEBT = 0.2 ! [nondim] default = 0.1 ! BEBT determines whether the barotropic time stepping uses the forward-backward ! time-stepping scheme or a backward Euler scheme. BEBT is valid in the range ! from 0 (for a forward-backward treatment of nonrotating gravity waves) to 1 ! (for a backward Euler treatment). In practice, BEBT must be greater than about ! 0.05. DTBT = -0.9 ! [s or nondim] default = -0.98 ! The barotropic time step, in s. DTBT is only used with the split explicit time ! stepping. To set the time step automatically based the maximum stable value ! use 0, or a negative value gives the fraction of the stable value. Setting ! DTBT to 0 is the same as setting it to -0.98. The value of DTBT that will ! actually be used is an integer fraction of DT, rounding down. ! === module MOM_mixed_layer_restrat === MIXEDLAYER_RESTRAT = False ! [Boolean] default = False ! If true, a density-gradient dependent re-stratifying flow is imposed in the ! mixed layer. Can be used in ALE mode without restriction but in layer mode can ! only be used if BULKMIXEDLAYER is true. FOX_KEMPER_ML_RESTRAT_COEF = 60.0 ! [nondim] default = 0.0 ! A nondimensional coefficient that is proportional to the ratio of the ! deformation radius to the dominant lengthscale of the submesoscale mixed layer ! instabilities, times the minimum of the ratio of the mesoscale eddy kinetic ! energy to the large-scale geostrophic kinetic energy or 1 plus the square of ! the grid spacing over the deformation radius, as detailed by Fox-Kemper et al. ! (2010) MLE_FRONT_LENGTH = 200.0 ! [m] default = 0.0 ! If non-zero, is the frontal-length scale used to calculate the upscaling of ! buoyancy gradients that is otherwise represented by the parameter ! FOX_KEMPER_ML_RESTRAT_COEF. If MLE_FRONT_LENGTH is non-zero, it is recommended ! to set FOX_KEMPER_ML_RESTRAT_COEF=1.0. MLE_USE_PBL_MLD = True ! [Boolean] default = False ! If true, the MLE parameterization will use the mixed-layer depth provided by ! the active PBL parameterization. If false, MLE will estimate a MLD based on a ! density difference with the surface using the parameter MLE_DENSITY_DIFF. MLE_MLD_DECAY_TIME = 2.592E+06 ! [s] default = 0.0 ! The time-scale for a running-mean filter applied to the mixed-layer depth used ! in the MLE restratification parameterization. When the MLD deepens below the ! current running-mean the running-mean is instantaneously set to the current ! MLD. ! === module MOM_diabatic_driver === ! The following parameters are used for diabatic processes. ENERGETICS_SFC_PBL = True ! [Boolean] default = False ! If true, use an implied energetics planetary boundary layer scheme to ! determine the diffusivity and viscosity in the surface boundary layer. EPBL_IS_ADDITIVE = False ! [Boolean] default = True ! If true, the diffusivity from ePBL is added to all other diffusivities. ! Otherwise, the larger of kappa-shear and ePBL diffusivities are used. ! === module MOM_CVMix_KPP === ! This is the MOM wrapper to CVMix:KPP ! See http://cvmix.github.io/ ! === module MOM_tidal_mixing === ! Vertical Tidal Mixing Parameterization ! === module MOM_CVMix_conv === ! Parameterization of enhanced mixing due to convection via CVMix ! === module MOM_set_diffusivity === ! === module MOM_bkgnd_mixing === ! Adding static vertical background mixing coefficients KD = 1.5E-05 ! [m2 s-1] default = 0.0 ! The background diapycnal diffusivity of density in the interior. Zero or the ! molecular value, ~1e-7 m2 s-1, may be used. KD_MIN = 2.0E-06 ! [m2 s-1] default = 2.0E-07 ! The minimum diapycnal diffusivity. HENYEY_IGW_BACKGROUND = True ! [Boolean] default = False ! If true, use a latitude-dependent scaling for the near surface background ! diffusivity, as described in Harrison & Hallberg, JPO 2008. ! === module MOM_kappa_shear === ! Parameterization of shear-driven turbulence following Jackson, Hallberg and Legg, JPO 2008 USE_JACKSON_PARAM = True ! [Boolean] default = False ! If true, use the Jackson-Hallberg-Legg (JPO 2008) shear mixing ! parameterization. MAX_RINO_IT = 25 ! [nondim] default = 50 ! The maximum number of iterations that may be used to estimate the Richardson ! number driven mixing. ! === module MOM_CVMix_shear === ! Parameterization of shear-driven turbulence via CVMix (various options) ! === module MOM_CVMix_ddiff === ! Parameterization of mixing due to double diffusion processes via CVMix ! === module MOM_diabatic_aux === ! The following parameters are used for auxiliary diabatic processes. ! === module MOM_energetic_PBL === EPBL_USTAR_MIN = 1.45842E-18 ! [m s-1] ! The (tiny) minimum friction velocity used within the ePBL code, derived from ! OMEGA and ANGSTROM.. USE_LA_LI2016 = @[MOM6_USE_LI2016] ! [nondim] default = False ! A logical to use the Li et al. 2016 (submitted) formula to determine the ! Langmuir number. USE_WAVES = @[MOM6_USE_WAVES] ! [Boolean] default = False ! If true, enables surface wave modules. WAVE_METHOD = "SURFACE_BANDS" ! default = "EMPTY" ! Choice of wave method, valid options include: ! TEST_PROFILE - Prescribed from surface Stokes drift ! and a decay wavelength. ! SURFACE_BANDS - Computed from multiple surface values ! and decay wavelengths. ! DHH85 - Uses Donelan et al. 1985 empirical ! wave spectrum with prescribed values. ! LF17 - Infers Stokes drift profile from wind ! speed following Li and Fox-Kemper 2017. SURFBAND_SOURCE = "COUPLER" ! default = "EMPTY" ! Choice of SURFACE_BANDS data mode, valid options include: ! DATAOVERRIDE - Read from NetCDF using FMS DataOverride. ! COUPLER - Look for variables from coupler pass ! INPUT - Testing with fixed values. STK_BAND_COUPLER = 3 ! default = 1 ! STK_BAND_COUPLER is the number of Stokes drift bands in the coupler. This has ! to be consistent with the number of Stokes drift bands in WW3, or the model ! will fail. SURFBAND_WAVENUMBERS = 0.04, 0.11, 0.3305 ! [rad/m] default = 0.12566 ! Central wavenumbers for surface Stokes drift bands. EPBL_LANGMUIR_SCHEME = "ADDITIVE" ! default = "NONE" ! EPBL_LANGMUIR_SCHEME selects the method for including Langmuir turbulence. ! Valid values are: ! NONE - Do not do any extra mixing due to Langmuir turbulence ! RESCALE - Use a multiplicative rescaling of mstar to account for Langmuir ! turbulence ! ADDITIVE - Add a Langmuir turblence contribution to mstar to other ! contributions LT_ENHANCE_COEF = 0.044 ! [nondim] default = 0.447 ! Coefficient for Langmuir enhancement of mstar LT_ENHANCE_EXP = -1.5 ! [nondim] default = -1.33 ! Exponent for Langmuir enhancementt of mstar LT_MOD_LAC1 = 0.0 ! [nondim] default = -0.87 ! Coefficient for modification of Langmuir number due to MLD approaching Ekman ! depth. LT_MOD_LAC4 = 0.0 ! [nondim] default = 0.95 ! Coefficient for modification of Langmuir number due to ratio of Ekman to ! stable Obukhov depth. LT_MOD_LAC5 = 0.22 ! [nondim] default = 0.95 ! Coefficient for modification of Langmuir number due to ratio of Ekman to ! unstable Obukhov depth. ! === module MOM_regularize_layers === ! === module MOM_opacity === ! === module MOM_tracer_advect === TRACER_ADVECTION_SCHEME = "PPM:H3" ! default = "PLM" ! The horizontal transport scheme for tracers: ! PLM - Piecewise Linear Method ! PPM:H3 - Piecewise Parabolic Method (Huyhn 3rd order) ! PPM - Piecewise Parabolic Method (Colella-Woodward) ! === module MOM_tracer_hor_diff === KHTR = 50.0 ! [m2 s-1] default = 0.0 ! The background along-isopycnal tracer diffusivity. CHECK_DIFFUSIVE_CFL = True ! [Boolean] default = False ! If true, use enough iterations the diffusion to ensure that the diffusive ! equivalent of the CFL limit is not violated. If false, always use the greater ! of 1 or MAX_TR_DIFFUSION_CFL iteration. MAX_TR_DIFFUSION_CFL = 2.0 ! [nondim] default = -1.0 ! If positive, locally limit the along-isopycnal tracer diffusivity to keep the ! diffusive CFL locally at or below this value. The number of diffusive ! iterations is often this value or the next greater integer. ! === module MOM_neutral_diffusion === ! This module implements neutral diffusion of tracers USE_NEUTRAL_DIFFUSION = True ! [Boolean] default = False ! If true, enables the neutral diffusion module. ! === module MOM_sum_output === MAXTRUNC = 1000 ! [truncations save_interval-1] default = 0 ! The run will be stopped, and the day set to a very large value if the velocity ! is truncated more than MAXTRUNC times between energy saves. Set MAXTRUNC to 0 ! to stop if there is any truncation of velocities. ! === module ocean_model_init === ! === module MOM_oda_incupd === ODA_INCUPD = @[ODA_INCUPD] ! [Boolean] default = False ! If true, oda incremental updates will be applied ! everywhere in the domain. ODA_INCUPD_FILE = "mom6_increment.nc" ! The name of the file with the T,S,h increments. ODA_TEMPINC_VAR = @[ODA_TEMPINC_VAR] ! default = "ptemp_inc" ! The name of the potential temperature inc. variable in ! ODA_INCUPD_FILE. ODA_SALTINC_VAR = @[ODA_SALTINC_VAR] ! default = "sal_inc" ! The name of the salinity inc. variable in ! ODA_INCUPD_FILE. ODA_THK_VAR = @[ODA_THK_VAR] ! default = "h" ! The name of the int. depth inc. variable in ! ODA_INCUPD_FILE. ODA_INCUPD_UV = @[ODA_INCUPD_UV] ! ODA_UINC_VAR = @[ODA_UINC_VAR] ! default = "u_inc" ! The name of the zonal vel. inc. variable in ! ODA_INCUPD_UV_FILE. ODA_VINC_VAR = @[ODA_VINC_VAR] ! default = "v_inc" ! The name of the meridional vel. inc. variable in ! ODA_INCUPD_UV_FILE. ODA_INCUPD_NHOURS = @[ODA_INCUPD_NHOURS] ! default=3.0 ! Number of hours for full update (0=direct insertion). ! === module MOM_surface_forcing === OCEAN_SURFACE_STAGGER = "A" ! default = "C" ! A case-insensitive character string to indicate the ! staggering of the surface velocity field that is ! returned to the coupler. Valid values include ! 'A', 'B', or 'C'. MAX_P_SURF = 0.0 ! [Pa] default = -1.0 ! The maximum surface pressure that can be exerted by the atmosphere and ! floating sea-ice or ice shelves. This is needed because the FMS coupling ! structure does not limit the water that can be frozen out of the ocean and the ! ice-ocean heat fluxes are treated explicitly. No limit is applied if a ! negative value is used. WIND_STAGGER = "A" ! default = "C" ! A case-insensitive character string to indicate the ! staggering of the input wind stress field. Valid ! values are 'A', 'B', or 'C'. ! === module MOM_restart === ! === module MOM_file_parser ===