CSN Assumption Names

  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

Equations, Laws and Principles

• These all end in "_equation", "_law" or "_principle", except for the "law of the wall".
  
  

• See Wikipedia: Laws of Science.
  
  

ampere_law
archimedes_principle
avogadro_law
beer_lambert_law
bernoulli_principle
biot_savart_law
boltzman_equation
boyle_law
burgers_equation
combined_gas_law
conservation_of_energy_law         ###
conservation_of_mass_law            ###  (same as continuity_equation)
conservation_of_momentum_law  ###
coulomb_law
dalton_law
darcy_law
einstein_field_equations
euler_equation   (inviscid flow)
exner_equation
faraday_law
faxen_law
fick_law
fourier_law
gauss_law_for_electricity
gauss_law_for_magnetism
gay_lussac_law
geodesic_equation
gibbs_helmholtz_equation
hack_law
heat_equation
henry_law
horton_law
ideal_gas_law
joule_first_law
joule_second_law
kepler_first_law_of_planetary_motion
kepler_second_law_of_planetary_motion
kepler_third_law_of_planetary_motion
laplace_equation
law_of_the_wall          (flow resistance)
lorentz_force_law
manning_equation     (flow resistance)
mass_energy_equivalence
maxwell_equations
navier_stokes_equation
newton_first_law_of_motion
newton_law_of_cooling
newton_law_of_universal_gravitation
newton_second_law_of_motion
newton_third_law_of_motion
ohm_law
planck_law
poiseuille_law
poisson_equation
reynolds_averaged_navier_stokes_equation
richards_equation   (infiltration theory)
schroedinger_equation
snell_law
stefan_boltzmann_law
stokes_law
thermodynamics_zeroth_law
thermodynamics_first_law
thermodynamics_second_law
thermodynamics_third_law
wien_displacement_law
young_laplace_equation

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
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)
kinematic_wave        (channelized flow)
komar                 (longshore transport)  ############### (incomplete name)
lambertian_surface
manning_equation      (flow resistance)
muskingum_method      (routing flow through a channel network)
penman_monteith       (evaporation)
power_law             ################
priestley_taylor      (evaporation)
smith_parlange        (infiltration)
special_relativity
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_developed_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.

• The word "material" is sometimes used in place of "fluid", but here we consistently use the word "fluid".

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_voigt_fluid       (a linear viscoelastic model; same as "kelvin_material"  ?? ######)
maxwell_fluid   (a linear viscoelastic model)
newtonian_fluid  (sometimes just called "viscous_fluid"  ??)
nonnewtonian_fluid
oldroyd_fluid   (a linear viscoeleastic model; see Oldroyd-B model.
power_law_fluid    (generalized Newtonian, Ostward-de Waele)
pseudoplastic_fluid (shear thinning)
rheopectic_fluid
second_order_fluid
super_fluid
thixotropic_fluid
viscoelastic_fluid   (see kelvin_fluid, maxwell_fluid, oldroyd_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
continuum  (continuum_hypothesis ?)
differentiable
differentiable_twice
differentiable_three_times
discontinuous
dynamic_equilibrium
equal_mixed_partials
equilibrium
ergodic
flat_spacetime
linear
multiple_valued_function  ###
nonlinear
single_valued_function  ### ???
spatially_uniform
static_equilibrium
steady_state
symmetric
uniform
  
### degenerate

Named Approximations

• These all end in "_approximation" and some can be found in other sections.

boussinesq_approximation  (ocean modeling)
fourier_series_approximation
infiltrated_depth_approximation  (infiltration modeling)
power_law_approximation
taylor_series_approximation

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.

airy_wave
capillary_wave
cnoidal_wave
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)
stokes_wave

Groundwater and Infiltration Modeling Assumptions

• See dupuit_forschheimer in Modeling Methods.

brooks_corey_soil_model ? ####
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 ???
transitional_brooks_corey_soil_model ? ####
van_genuchten_soil_model ? ####

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 ????
prismatic_channels
spatially_uniform_rainfall
#### instantaneous_unit_hydrograph idea ???

Stochastic Model Assumptions

autoregressive
beta_distributed
binomial_distributed
compound_poisson_process
continuous
continuous_time
discrete
discrete_time
gaussian_distributed
homogeneous
identically_distributed
independent
independent_increments
#### independent_and_identically_distributed  (use both)
markov_process
moving_average
negative
nonnegative
pareto_distributed
poisson_distributed
poisson_process
positive
rayleigh_distributed
second_order_stationary
stationary
uniform_distributed
uncorrelated
weak_stationarity_of_order_k
weibull_distributed

Object Shape Assumptions

• These names all end in "_shaped".

circle_shaped
ellipse_shaped
ellipsoid_shaped      (e.g. for earth)
hexagon_shaped
hyperbola_shaped
octogon_shaped
parabola_shaped
pentagon_shaped
prismatic   (see Channel Flow)
rectangle_shaped
semicircle_shaped     (e.g. for a channel_cross_section)
sphere_shaped
square_shaped
trapezoid_shaped      (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")