Land Hydrology SBM

Atmospheric forcing

Code 
include("../docs_utils.jl")
generate_table(Wflow.LandHydrologySBM, :atmospheric_forcing; relative_widths = [6, 4, 2, 2, 2])
Standard name Description Unit input/output Unit internal
atmosphere_air__temperature Temperature °C K
atmosphere_water__precipitation_volume_flux Precipitation mm Δt⁻¹ m s⁻¹
land_surface_water__potential_evaporation_volume_flux Potential evaporation mm Δt⁻¹ m s⁻¹

Snow

Input

Code 
generate_table(Wflow.LandHydrologySBM, :snow_input; relative_widths = [6, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output Default (IO unit)
atmosphere_air__snowfall_temperature_interval Threshold temperature interval length °C K ✓ 1.0
atmosphere_air__snowfall_temperature_threshold Threshold temperature for snowfall °C K ✓ 0.0
snowpack__degree_day_coefficient Degree-day factor for snowmelt mm °C⁻¹ day⁻¹ m K⁻¹ s⁻¹ ✓ 3.75
snowpack__liquid_water_holding_capacity Water holding capacity as fraction of current snow pack - - ✓ 0.1
snowpack__melting_temperature_threshold Threshold temperature for snowmelt °C K ✓ 0.0

States

Code 
generate_table(Wflow.LandHydrologySBM, :snow_state; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
snowpack_dry_snow__leq_depth Liquid-water equivalent of dry snow mm m
snowpack_liquid_water__depth Liquid water content in the snow pack mm m

Output

Code 
generate_table(Wflow.LandHydrologySBM, :snow_output; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
snowpack__leq_depth Liquid-water equivalent of snow pack (SWE) mm m
snowpack_dry_snow__leq_depth Liquid-water equivalent of dry snow mm m
snowpack_liquid_water__depth Liquid water content in the snow pack mm m
snowpack_meltwater__volume_flux Amount of snow melt mm Δt⁻¹ m s⁻¹
snowpack_water__runoff_volume_flux Runoff from snowpack mm Δt⁻¹ m s⁻¹

Glacier

Input

Code 
generate_table(Wflow.LandHydrologySBM, :glacier_input; relative_widths = [5, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output Default (IO unit)
glacier_firn_accumulation__snowpack_dry_snow_leq_depth_fraction Fraction of the snowpack on top of the glacier converted into ice day⁻¹ s⁻¹ ✓ 0.001
glacier_surface__area_fraction Fraction covered by a glacier - - ✓ 0.0
glacier_ice__degree_day_coefficient Degree-day factor for melt from glacier mm °C⁻¹ day⁻¹ m K⁻¹ s⁻¹ ✓ 3.0
glacier_ice__initial_leq_depth Initial glacier liquid-water equivalent (cold state) mm m ✗ 5500.0
glacier_ice__melting_temperature_threshold Threshold temperature for glacier melt °C K ✓ 0.0

States

Code 
generate_table(Wflow.LandHydrologySBM, :glacier_state; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
glacier_ice__leq_depth Glacier liquid-water equivalent mm m

Output

Code 
generate_table(Wflow.LandHydrologySBM, :glacier_output; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
glacier_ice__leq_depth Glacier liquid-water equivalent mm m
glacier_ice__melt_volume_flux Melt from the glacier mm Δt⁻¹ m s⁻¹

Vegetation

Input

Code 
generate_table(Wflow.LandHydrologySBM, :vegetation_input; relative_widths = [5, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output Default (IO unit)
vegetation__crop_factor Crop coefficient - - ✓ 1.0
vegetation__specific_leaf_storage Specific leaf storage mm m ✓ -
vegetation_canopy__light_extinction_coefficient Extinction coefficient (to calculate canopy gap fraction) - - ✓ -
vegetation_canopy_water__mean_evaporation_to_mean_precipitation_ratio Gash interception model parameter - - ✓ 0.1
vegetation_canopy__gap_fraction Canopy gap fraction - - ✓ -
vegetation_root__depth Rooting depth mm m ✓ -
vegetation_water__storage_capacity Maximum canopy storage mm m ✓ 1.0
vegetation_wood_water__storage_capacity Storage woody part of vegetation mm m ✓ -

Static or cyclic/forcing input

Code 
generate_table(Wflow.LandHydrologySBM, :vegetation_static_cyclic_forcing_input; relative_widths = [5, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output
vegetation__leaf_area_index Leaf area index m² m⁻² - ✓

States

Code 
generate_table(Wflow.LandHydrologySBM, :vegetation_state; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
vegetation_canopy_water__depth Canopy storage mm m

Output

Code 
generate_table(Wflow.LandHydrologySBM, :vegetation_output; relative_widths = [4, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
vegetation_canopy_water__depth Canopy storage mm m
vegetation_canopy_water__interception_volume_flux Interception mm Δt⁻¹ m s⁻¹
vegetation_canopy_water__stemflow_volume_flux Stemflow mm Δt⁻¹ m s⁻¹
vegetation_canopy_water__throughfall_volume_flux Throughfall mm Δt⁻¹ m s⁻¹

Soil

Input

Note that the input parameter water content at field capacity (soil_water__field_capacity_volume_fraction) is optional. When not provided the water content is computed at a pressure head of -100 cm using the Brooks and Corey water retention model.

Code 
generate_table(Wflow.LandHydrologySBM, :soil_input; relative_widths = [5, 5, 1, 1, 2, 1])
Standard name Description Unit input/output Unit internal Possible output Default (IO unit)
compacted_soil_surface_water__infiltration_capacity Infiltration capacity of compacted areas mm day⁻¹ m s⁻¹ ✓ 10.0
compacted_soil__area_fraction Fraction of compacted soil area - - ✓ -
land_water_covered__area_fraction Fraction of open water - - ✗ 0.0
soil__thickness Soil thickness mm m ✓ -
soil_exponential_vertical_saturated_hydraulic_conductivity_profile_below_surface__depth Depth from soil surface for which exponential decline of the vertical saturated hydraulic conductivity at the soil surface is valid, when an exponential_constant saturated hydraulic conductivity profile is used mm m ✓ -
soil_layer_water__vertical_saturated_hydraulic_conductivity Vertical saturated hydraulic conductivity per soil layer, when a layered or layered_exponential saturated hydraulic conductivity profile is used mm day⁻¹ m s⁻¹ ✓ -
soil_layered_vertical_saturated_hydraulic_conductivity_profile_below_surface__depth Depth from soil surface for which layered profile is valid, when a layered_exponential saturated hydraulic conductivity profile is used mm m ✗ -
soil_surface_temperature__weight_coefficient Weighting coefficient for soil surface temperature - - ✓ 0.1125
soil_layer_water__brooks_corey_exponent Brooks-Corey power coefficient per soil layer - - ✓ -
soil_layer_water__vertical_saturated_hydraulic_conductivity_factor Multiplication factor applied to vertical saturated hydraulic conductivity per soil layer - - ✓ 1.0
soil_root__length_density_fraction Fraction of the root length density per soil layer - - ✓ -
soil_surface_water__infiltration_reduction_parameter Controls soil infiltration reduction factor when soil is frozen - - ✓ 0.038
soil_surface_water__vertical_saturated_hydraulic_conductivity Vertical saturated hydraulic conductivity at soil surface mm day⁻¹ m s⁻¹ ✓ -
soil_water__vertical_saturated_hydraulic_conductivity_scale_parameter Scaling parameter controlling decline of vertical saturated hydraulic conductivity with depth mm⁻¹ m⁻¹ ✓ -
soil_water__air_entry_pressure_head Air entry pressure head of soil cm m ✓ -10.0
soil_water__residual_volume_fraction Residual water content - - ✓ -
soil_water__saturated_volume_fraction Saturated water content - - ✓ -
soil_water_saturated_zone_bottom__max_leakage_volume_flux Maximum leakage from saturated zone mm day⁻¹ m s⁻¹ ✓ 0.0
soil_water_saturated_zone_top__capillary_rise_max_water_table_depth Maximum water table depth for capillary rise mm m ✓ 2000.0
soil_water_saturated_zone_top__capillary_rise_averianov_exponent Averianov exponent controlling capillary rise - - ✓ 2.0
soil_wet_root__sigmoid_function_shape_parameter Controls sharpness of transition between fully wet and fully dry roots - - ✓ -500.0
vegetation_root__feddes_critical_pressure_head_h1 Critical pressure head h1 of the root water uptake reduction function (Feddes) cm m ✓ 0.0
vegetation_root__feddes_critical_pressure_head_h1_reduction_coefficient Root water uptake reduction at soil water pressure head h1 (0.0 or 1.0) - - ✓ 1.0
vegetation_root__feddes_critical_pressure_head_h2 Critical pressure head h2 of the root water uptake reduction function (Feddes) cm m ✓ -100.0
vegetation_root__feddes_critical_pressure_head_h3_high Critical pressure head h3_high of the root water uptake reduction function (Feddes) cm m ✓ -400.0
vegetation_root__feddes_critical_pressure_head_h3_low Critical pressure head h3_low of the root water uptake reduction function (Feddes) cm m ✓ -1000.0
vegetation_root__feddes_critical_pressure_head_h4 Critical pressure head h4 of the root water uptake reduction function (Feddes) cm m ✓ -16000.0

States

Code 
generate_table(Wflow.LandHydrologySBM, :soil_state; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
soil_layer_water_unsaturated_zone__depth Amount of water in the unsaturated store, per soil layer mm m
soil_surface__temperature Soil surface temperature, only when snow is modelled °C K
soil_water_saturated_zone__depth Amount of water in the saturated store mm m

Output

Code 
generate_table(Wflow.LandHydrologySBM, :soil_output; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
compacted_soil_surface_water__excess_volume_flux Excess water for compacted soil fraction mm Δt⁻¹ m s⁻¹
land_surface__evapotranspiration_volume_flux Total actual evapotranspiration mm Δt⁻¹ m s⁻¹
land_water_storage__total_depth Total water storage (excluding floodplains and reservoirs) mm m
non_compacted_soil_surface_water__excess_volume_flux Excess water for non-compacted soil fraction mm Δt⁻¹ m s⁻¹
soil_layer_water__volume_percentage Volumetric water content per soil layer (including residual water content and saturated zone) % -
soil_layer_water_unsaturated_zone__depth Amount of water in the unsaturated store, per soil layer mm m
soil_surface__temperature Soil surface temperature, only when snow is modelled °C K
soil_surface_water__net_runoff_volume_flux Net surface runoff (after open water evaporation) mm Δt⁻¹ m s⁻¹
soil_surface_water__runoff_volume_flux Total surface runoff from infiltration and saturation excess mm Δt⁻¹ m s⁻¹
soil_surface_water_saturated_zone__exfiltration_volume_flux Water exfiltrating from saturated store during saturation excess conditions mm Δt⁻¹ m s⁻¹
soil_layer_water__volume_fraction Volumetric water content per soil layer (including residual water content and saturated zone) m³ m⁻³ -
soil_water__infiltration_volume_flux Actual infiltration into the unsaturated zone mm Δt⁻¹ m s⁻¹
soil_water__transpiration_volume_flux Transpiration from vegetation mm Δt⁻¹ m s⁻¹
soil_water_root_zone__depth Root water storage in unsaturated and saturated zone (excluding residual water content) mm m
soil_water_root_zone__volume_fraction Volumetric water content in root zone (including residual water content and saturated zone) m³ m⁻³ -
soil_water_root_zone__volume_percentage Volumetric water content in root zone (including residual water content and saturated zone) % -
soil_water_saturated_zone__depth Amount of water in the saturated store mm m
soil_water_saturated_zone_bottom__leakage_volume_flux Actual leakage from saturated store mm Δt⁻¹ m s⁻¹
soil_water_saturated_zone_top__capillary_volume_flux Actual capillary rise mm Δt⁻¹ m s⁻¹
soil_water_saturated_zone_top__depth Pseudo-water table depth (top of the saturated zone) mm m
soil_water_saturated_zone_top__net_recharge_volume_flux Net recharge to saturated zone mm Δt⁻¹ m s⁻¹
soil_water_saturated_zone_top__recharge_volume_flux Downward flux from unsaturated to saturated zone mm Δt⁻¹ m s⁻¹
soil_water_unsaturated_zone__depth Amount of water in the unsaturated store mm m

Water demand

Non-irrigation

Static or cyclic/forcing input

Code 
generate_table(Wflow.LandHydrologySBM, :demand_non_irrigation_static_cyclic_forcing_input; relative_widths = [6, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output Default (IO unit)
domestic__gross_water_demand_volume_flux Gross domestic water demand mm day⁻¹ m s⁻¹ ✓ 0.0
domestic__net_water_demand_volume_flux Net domestic water demand mm day⁻¹ m s⁻¹ ✓ 0.0
industry__gross_water_demand_volume_flux Gross industry water demand mm day⁻¹ m s⁻¹ ✓ 0.0
industry__net_water_demand_volume_flux Net industry water demand mm day⁻¹ m s⁻¹ ✓ 0.0
livestock__gross_water_demand_volume_flux Gross livestock water demand mm day⁻¹ m s⁻¹ ✓ 0.0
livestock__net_water_demand_volume_flux Net livestock water demand mm day⁻¹ m s⁻¹ ✓ 0.0

Non-paddy irrigation

Input

Code 
generate_table(Wflow.LandHydrologySBM, :demand_non_paddy_irrigation_input; relative_widths = [6, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output Default (IO unit)
irrigated_non_paddy__irrigation_efficiency Irrigation efficiency - - ✓ 1.0
irrigated_non_paddy__max_irrigation_rate Maximum irrigation rate mm day⁻¹ m s⁻¹ ✓ 25.0
irrigated_non_paddy_area__count Irrigation areas (non-paddy) - - ✓ -

Static or cyclic/forcing input

Code 
generate_table(Wflow.LandHydrologySBM, :demand_non_paddy_irrigation_static_cyclic_forcing_input; relative_widths = [6, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output
irrigated_non_paddy__irrigation_trigger_flag Non-paddy irrigation trigger flag - - ✓

Output

Code 
generate_table(Wflow.LandHydrologySBM, :demand_non_paddy_irrigation_output; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal Possible output
irrigated_non_paddy__gross_water_demand_volume_flux Irrigation (non-paddy) gross demand mm Δt⁻¹ m s⁻¹ ✓

Paddy irrigation

Input

Code 
generate_table(Wflow.LandHydrologySBM, :demand_paddy_irrigation_input; relative_widths = [6, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output Default (IO unit)
irrigated_paddy__irrigation_efficiency Irrigation efficiency - - ✓ 1.0
irrigated_paddy__max_depth Water depth when paddy field starts spilling water (overflow) mm m ✓ 80.0
irrigated_paddy__max_irrigation_rate Maximum irrigation rate mm day⁻¹ m s⁻¹ ✓ 25.0
irrigated_paddy__min_depth Minimum required water depth in the irrigated paddy fields mm m ✓ 20.0
irrigated_paddy__optimal_depth Optimal water depth in the irrigated paddy fields mm m ✓ 50.0
irrigated_paddy_area__count Irrigation areas (paddy) - - ✓ -

Static or cyclic/forcing input

Code 
generate_table(Wflow.LandHydrologySBM, :demand_paddy_irrigation_static_cyclic_forcing_input; relative_widths = [6, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output
irrigated_paddy__irrigation_trigger_flag Paddy irrigation trigger flag - - ✓

States

Code 
generate_table(Wflow.LandHydrologySBM, :demand_paddy_irrigation_state; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
paddy_surface_water__depth Water depth in paddy field mm m

Output

Code 
generate_table(Wflow.LandHydrologySBM, :demand_paddy_irrigation_output; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal Possible output
irrigated_paddy__gross_water_demand_volume_flux Irrigation (paddy) gross demand mm day⁻¹ m s⁻¹ ✓
paddy_surface_water__depth Water depth in paddy field mm m ✓

Allocation

Input

Code 
generate_table(Wflow.LandHydrologySBM, :demand_allocation_input; relative_widths = [6, 4, 2, 2, 2, 2])
Standard name Description Unit input/output Unit internal Possible output Default (IO unit)
land_surface_water__withdrawal_fraction Fraction surface water used - - ✓ 1.0
land_water_allocation_area__count Allocation areas - - ✓ 1

Output

Code 
generate_table(Wflow.LandHydrologySBM, :demand_allocation_output; relative_widths = [3, 3, 1, 1, 2])
Standard name Description Unit input/output Unit internal
land__allocated_irrigation_water_volume_flux Allocated water for irrigation mm Δt⁻¹ m s⁻¹
land__allocated_non_irrigation_water_volume_flux Allocated water for non-irrigation mm Δt⁻¹ m s⁻¹
land__non_irrigation_return_flow_volume_flux Return flow from non-irrgation sectors mm Δt⁻¹ m s⁻¹
land_surface_water__abstraction_volume_flux Actual surface water abstraction mm Δt⁻¹ m s⁻¹
subsurface_water__abstraction_volume_flux Actual groundwater abstraction mm Δt⁻¹ m s⁻¹
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