Land Sediment model

Atmospheric forcing

Standard Name	Description	Unit	Default
atmosphere_water__precipitation_volume_flux	Precipitation	mm Δt⁻¹	-

Hydrological forcing

Standard Name	Description	Unit	Default
river_water__volume_flow_rate	River discharge	m³ s⁻¹	-
river_water__depth	River water depth	m	-
land_surface_water__volume_flow_rate	Overland flow discharge	m³ s⁻¹	-
land_surface_water__depth	Overland flow water depth	m	-
vegetation_canopy_water__interception_volume_flux	Rainfall interception by the vegetation	mm Δt⁻¹	-

Rainfall erosion

Input

Standard Name	Description	Unit	Default
soil_erosion__rainfall_soil_detachability_factor	Soil detachability factor	g J⁻¹	0.6
soil_erosion__eurosem_exponent	Exponent EUROSEM	-	2.0
vegetation_canopy__height	Canopy height	m	0.5
vegetation_canopy__gap_fraction	Canopy gap fraction	-	0.1
soil~compacted__area_fraction	Fraction of the soil that is covered (eg paved, snow, etc)	-	0.01
soil_erosion__usle_k_factor	USLE soil erodibility factor	-	0.1
soil_erosion__usle_c_factor	USLE crop management factor	-	0.01
soil_erosion__answers_rainfall_factor	Answers rainfall erosion factor	-	0.108

Output

Standard Name	Description	Unit
soil_erosion~rainfall__mass_flow_rate	Total soil erosion from rainfall (splash)	ton Δt⁻¹

Overland flow erosion

Input

Standard Name	Description	Unit	Default
soil_erosion__answers_overland_flow_factor	Answers overland flow erosion factor	-	0.9
soil_erosion__usle_k_factor	USLE soil erodibility factor	-	0.1
soil_erosion__usle_c_factor	USLE crop management factor	-	0.01

Output

Standard Name	Description	Unit
soil_erosion~overland_flow__mass_flow_rate	Total soil erosion from overland flow	ton Δt⁻¹

Soil erosion

Input

Standard Name	Description	Unit	Default
soil_clay__mass_fraction	Soil content clay	-	0.4
soil_silt__mass_fraction	Soil content silt	-	0.3
soil_sand__mass_fraction	Soil content sand	-	0.3
soil_aggregates~small__mass_fraction	Soil content small aggregates	-	0.0
soil_aggregates~large__mass_fraction	Soil content large aggregates	-	0.0

Output

Standard Name	Description	Unit
soil_erosion__mass_flow_rate	Total soil erosion	ton Δt⁻¹
soil_erosion_clay__mass_flow_rate	Total clay erosion	ton Δt⁻¹
soil_erosion_silt__mass_flow_rate	Total silt erosion	ton Δt⁻¹
soil_erosion_sand__mass_flow_rate	Total sand erosion	ton Δt⁻¹
soil_erosion_aggregates~small__mass_flow_rate	Total small aggregates erosion	ton Δt⁻¹
soil_erosion_aggregates~large__mass_flow_rate	Total large aggregates erosion	ton Δt⁻¹