CSN Assumption Names
From CSDMS
CSDMS Standard Names — Assumption Names
- This document provides standardized assumption names for use in Model Metadata Files (MMF). They are organized into groups.
Conserved Quantity Assumptions
- These names all end in "_conserved". See Wikipedia: Conservation Law and links therein.
angular_momentum_conserved electric_charge_conserved energy_conserved linear_momentum_conserved mass_conserved momentum_conserved potential_vorticity_conserved ######## sediment_mass_conserved water_mass_conserved
######## conserves_energy conserves_mass conserves_momentum conserves_potential_vorticity
Named Model-Type Assumptions
- These may be used for the <how_modeled> tag.
- These names all end in "_model".
green_ampt_infiltration_model
horton_infiltration_model
ideal_gas_model
navier_stokes_model
penman_monteith_evaporation_model
priestley_taylor_evaporation_model
reynolds_averaged_navier_stokes_model
richards_1d_infiltration_model
richards_3d_infiltration_model
smith_parlange_infiltration_model
airy_wave (water wave)
asce_standardized (for evapotranspiration ??) ############## (HydroModeler)
beven_exponential_K (infiltration)
brooks_corey (soil characteristic relations)
brooks_corey_transitional (soil characteristc relations)
cnoidal_wave (water wave)
curve_number (infiltration) ##### (HydroModeler)
darcy_law
darcy_wiesbach_equation (hydraulic friction)
degree_day (snowmelt)
diffusive_wave (channelized flow)
dynamic_wave (channelized flow)
empirical_law ############
energy_balance (evaporation, snowmelt)
general_relativity ############
green_ampt (infiltration)
hagen_poiseuille (pressure drop in a pipe; laminar, viscous, incompressible)
hargreaves (evaporation) #### (HydroModeler)
ideal_gas_law
kinematic_wave (channelized flow)
komar (longshore transport) ############### (incomplete name)
law_of_the_wall (flow resistance)
mannings_formula (flow resistance)
muskingum_method (routing flow through a channel network)
navier_stokes
penman_monteith (evaporation)
poiseuille_law
power_law ################
priestley_taylor (evaporation)
richards_1d (infiltration)
richards_3d (infiltration)
smith_parlange (infiltration)
standard_model (maybe too general) #########
stokes_wave (water wave)
turbulence_closure_* (prandtl_mixing_length
eddy_viscosity (due to Boussinesq ??)
kolmogorov_k_epsilon (due to Kolmogorov ??)
kolmogorov_k_omega
menter_shear_stress_transport
smagorinsky
spalart_allmaras)
See: http://en.wikipedia.org/wiki/Turbulence_modeling
van_genuchten (soil characteristic relations)
VSEPR (to compute molecular geometry)
Flow-Type Assumptions
- These names all end in "_flow".
accelerating_flow depth_integrated_flow (for 3D flow to 2D flow; vs. vertically_integrated_flow) fully_turbulent_flow geostrophic_flow ###### CHECK hydraulically_rough_flow hydraulically_smooth_flow hydrostatic_flow isotropic_turbulent_flow laminar_flow nonaccelerating_flow nonhydrostatic_flow steady_flow turbulent_flow unsteady_flow ### boussinesq_assumption ### reynolds_averaged_flow ### taylor_hypothesis
Fluid-Type Assumptions
- These names all end in "_fluid". See Wikipedia: Non-newtonian Fluid and links therein.
bingham_plastic_fluid carreau_fluid compressible_fluid cross_fluid dilatant_fluid (shear thickening fluid or STF) first_order_fluid herschel_bulkley_fluid incompressible_fluid inviscid_fluid (non-viscous) kelvin_material_fluid (or just "kelvin_fluid ??" ###############) newtonian_fluid (sometimes just called "viscous_fluid" ??) nonnewtonian_fluid power_law_fluid (generalized Newtonian, Ostward-de Waele) pseudoplastic_fluid (shear thinning) rheopectic_fluid second_order_fluid super_fluid thixotropic_fluid viscoelastic_fluid viscoplastic_fluid viscous_fluid (synonym for newtonian fluid ??)
General Process Assumptions
1D (Q: If richards_equation is used for infiltration, keep 1D and 3D out of how_modeled name?) 2D 3D constant_coefficients continuous differentiable differentiable_twice differentiable_three_times dynamic_equilibrium equal_mixed_partials equilibrium ergodic linear multiple_valued_function ### nonlinear single_valued_function ### ??? spatially_uniform static_equilibrium steady_state symmetric uniform
- degenerate
Thermodynamic Process Assumptions
- These names all end in "_process". See Wikipedia: Adiabatic Process and links therein.
adiabatic_process cyclic_process diabatic_process endoreversible_process endothermic_process (better as adjective? absorbs energy) exothermic_process (better as adjective? releases energy) irreversible_process isentropic_process (also called "reversible" ??) isethalpic_process (also isoenthalpic) isobaric_process isocaloric_process isochoric_process isothermal_process polytropic_process quasistatic_process (reversible implies quasistatic, but not conversely) reversible_process
Atmosphere Modeling Assumptions
- See additional assumptions in "CF Standard Name Assumptions" below.
boussinesq_approximation (not in CF, but see for_*) clear_sky (23 in CF) deep_snow (1 in CF) horizontal_plane_topography (for clear-sky radiation calculation, not in CF) no_aerosol_or_cloud (1 in CF) no_snow (1 in CF) rigid_lid (in CF; always related to boussinesq approximation ??) sea_level_for_geoid (4 in CF) standard_temperature_and_pressure (not in CF)
Ocean Modeling Assumptions
- See additional assumptions in "CF Standard Name Assumptions" below.
deep_water_wave fully_developed_sea no_tide (2 in CF) passive_scalar (e.g. temperature and salinity, perhaps suspended sediment) per_unit_length_of_wave_crest shallow_water_wave shore_parallel_contours (not in CF)
Groundwater and Infiltration Modeling Assumptions
- See dupuit_forschheimer in Modeling Methods.
homogeneous_medium (separate from isotropic ??)
horizontal_flowlines (and vertical equipotential lines)
hydraulic_gradient_equals_free_surface_gradient
hydraulic_gradient_equals_land_surface_gradient
hydraulic_gradient_invariant_with_depth
infiltrated_depth_approximation (not in CF) (Used by Green-Ampt and Smith-Parlange)
(or infiltrability_depth_approximation)
impermeable_horizontal_base (or impermeable_boundary_at_base)
isotropic_medium
steady_state_recharge ???
Surface Water Modeling Assumptions
bankfull_flow channel_width_less_than_model_cell_width convergent_topography convergent_or_divergent_topography ###### ? d8_flow_between_cells d_infinity_flow_between_cells diffusive_wave dynamic_wave impermeable_surface ??? inbank_flow (or no_overbank_flow ? or within_bank_flow ? ##############) kinematic_wave (hydraulic_slope_equals_channel_slope) mass_flux_method_flow_between_cells no_distributaries no_overbank_flow no_vegetation ???? spatially_uniform_rainfall #### instantaneous_unit_hydrograph idea ???
Stochastic Model Assumptions
autoregressive continuous continuous_time discrete discrete_time gaussian homogeneous identically_distributed independent independent_increments #### independent_and_identically_distributed (use both) markov_process moving_average second_order_stationary stationary uniform uncorrelated weak_stationarity_of_order_k
Object Shape Assumptions
- These names all end in "_shape".
circle_shape ellipse_shape ellipsoid_shape (e.g. for earth) hyperbola_shape parabola_shape semicircle_shape (e.g. for a channel_cross_section) sphere_shape square_shape trapezoid_shape (e.g. for a channel_cross_section) What about these? (See General Process Assumptions.) continuous_curve continuous_surface differentiable_curve differentiable_surface differentiable_twice_curve differentiable_twice_surface
Averaging Assumptions
- These names all start with "averaged_over_".
averaged_over_basin averaged_over_depth averaged_over_interval averaged_over_one_day averaged_over_one_month averaged_over_one_year averaged_over_population averaged_over_space averaged_over_time
Numerical Method Assumptions
- These names should all end with something like "_method".
conjugate_gradient direct_numerical_solution discrete_event_simulation explicit_time_stepping finite_difference finite_element finite_volume first_order_accurate implicit_time_stepping large_eddy_simulation newton_raphson_iteration runge_kutta second_order_accurate
CF Standard Name Assumptions
- Many of these are "Location Assumptions".
above_geoid (3 in CF)
above_land_surface (not in CF)
above_reference_datum (1 in CF)
above_reference_ellipsoid (5 in CF)
above_sea_floor (1 in CF)
above_sea_floor_surface (not in CF)
above_sea_level (1 in CF)
above_threhold (5 in CF)
at_*** (51 in CF)
at_cloud_base (1 in CFFl
at_cloud_top (3 in CF)
at_equilibrium (not in CF)
at_freezing_level (1 in CF)
at_land_surface (not in CF; e.g. air pressure)
at_maximum_upward_derivative (1 in CF)
at_saturation (4 in CF)
at_sea_floor (3 in CF)
at_sea_floor_surface (not in CF; e.g. water pressure)
at_sea_ice_base (8 in CF)
at_sea_level (1 in CF)
at_top_of_*** (3 in CF)
at_bottom_*** (not in CF)
assuming_*** (32 in CF)
(insert as a prefix to everything in this block ??)
below_geoid (1 in CF)
below_sea_level (1 in CF)
below_sea_surface (1 in CF)
below_surface (1 in CF)
below_threshold (3 in CF)
between_air_and_sea_water (1 in CF)
between_sea_water_and_air (2 in CF)
due_to_*** (399 in CF)
due_to_all_land_processes (2 in CF)
due_to_convective_cloud (1 in CF)
due_to_diffusion (18 in CF)
due_to_dry_convection (1 in CF)
due_to_dry_deposition (35 in CF)
due_to_dry_troposphere (1 in CF)
due_to_dust_ambient_aerosol (2 in CF)
due_to_emission_from_grazing (in CF)
excluding_anthropogenic_land_use_change (in CF)
excluding_baseflow (in CF)
excluding_litter (in CF)
expressed_as_*** (140 in CF)
expressed_as_carbon (67 in CF)
expressed_as_chlorine (7 in CF)
expressed_as_nitrogen (24 in CF)
for_*** (13 in CF)
for_biomass_growth (1 in CF)
for_biomass_maintenance (1 in CF)
for_boussinesq_approximation (1 in CF)
for_momentum (2 in CF; both "for_momentum_in_air")
per_capita
per_unit_area (already used in CF)
per_unit_length_of_wave_crest
per_unit_mass (already used in CF, and synonym for "specific")
per_unit_time ??
per_unit_width (e.g. discharge_per_unit_width)
(see CF: sea_water_transport_across_line,
and "transport_across_unit_distance")
