CSN Assumption Names
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CSDMS Standard Names — Assumption Names
Conserved Quantities
- 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 ######## 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 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
dynamic_equilibrium equilibrium (or "at_equilibrium" above ?) ergodic steady_state
- 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
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
deep_water_wave fully_developed_sea no_tide (2 in CF) 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 d8_flow_between_cells diffusive_wave d_infinity_flow_between_cells dynamic_wave impermeable_surface ??? 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)
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")