Hydraulic conductivity with thickness (Water Overlay): Difference between revisions
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The consideration on whether to use conductivity, or conductivity with thickness, depends on the information known about the soil. | |||
{{article end | {{article end | ||
|notes= | |notes= | ||
* A value <math><= 0</math> means [[Terrain_hydraulic_conductivity_md_(Water_Overlay)|HYDRAULIC_CONDUCTIVITY_MD]] will be used for [[ | * A value <math><= 0</math> means [[Terrain_hydraulic_conductivity_md_(Water_Overlay)|HYDRAULIC_CONDUCTIVITY_MD]] will be used for [[Ground flow formula (Water Overlay)#Hydraulic Conductivity without Thickness|horizontal groundwater flow]] calculations. | ||
* A value <math>> 0</math> means [[Terrain_hydraulic_conductivity_with_thickness_md_(Water_Overlay)|HYDRAULIC_CONDUCTIVITY_WITH_THICKNESS_MD]] will be used for [[ | * A value <math>> 0</math> means [[Terrain_hydraulic_conductivity_with_thickness_md_(Water_Overlay)|HYDRAULIC_CONDUCTIVITY_WITH_THICKNESS_MD]] will be used for [[Ground flow formula (Water Overlay)#Hydraulic Conductivity with Thickness|horizontal groundwater flow]] calculations. | ||
* Whatever the value of [[Hydraulic conductivity with thickness (Water Overlay)|HYDRAULIC_CONDUCTIVITY_WITH_THICKNESS]], the hydraulic conductivity can still be overridden by an [[Aquifer (Water Overlay)|Aquifer Area]] with its own value for [[Aquifer kd (Water Overlay)|AQUIFER_KD]]. | * Whatever the value of [[Hydraulic conductivity with thickness (Water Overlay)|HYDRAULIC_CONDUCTIVITY_WITH_THICKNESS]], the hydraulic conductivity can still be overridden by an [[Aquifer (Water Overlay)|Aquifer Area]] with its own value for [[Aquifer kd (Water Overlay)|AQUIFER_KD]]. | ||
|howtos= | |howtos= | ||
* [[How to add and remove an Attribute]] | * [[How to add and remove an Attribute]] | ||
|seealso= | |seealso= | ||
* [[ | * [[Ground flow formula (Water Overlay)]] | ||
* [[Aquifer kd (Water Overlay)]] | * [[Aquifer kd (Water Overlay)]] | ||
* [[Ground conductivity prequel (Water Overlay)]] | |||
}} | }} | ||
{{WaterOverlay model attribute nav}} | {{WaterOverlay model attribute nav}} | ||
Latest revision as of 13:00, 22 January 2026
| Icon | Attribute | Unit | Range | Description | Default value |
|---|---|---|---|---|---|
 |
HYDRAULIC_CONDUCTIVITY_WITH_THICKNESS | boolean | When selected, the Terrain value HYDRAULIC_CONDUCTIVITY_WITH_THICKNESS_MD is used for horizontal groundwater flow calculations, otherwise HYDRAULIC_CONDUCTIVITY_MD is used. | 0 |
The consideration on whether to use conductivity, or conductivity with thickness, depends on the information known about the soil.
Notes
- A value means HYDRAULIC_CONDUCTIVITY_MD will be used for horizontal groundwater flow calculations.
- A value means HYDRAULIC_CONDUCTIVITY_WITH_THICKNESS_MD will be used for horizontal groundwater flow calculations.
- Whatever the value of HYDRAULIC_CONDUCTIVITY_WITH_THICKNESS, the hydraulic conductivity can still be overridden by an Aquifer Area with its own value for AQUIFER_KD.
How-to's
See also
- Group
- Model attributes
- Allowed water increase m • Avg shore width m • Avg terrain width m • Avg terrain storage m • Breach measurement distance m • Bridge elevation • Culvert dem threshold m • Design flood elevation m • Ground bottom distance m • Ground bottom pressure m • Ground water • Ground water depth m • Ground watertable with surface • Impact flood threshold m • Impact range m • Increased resolution • Infiltration factor s
- Limit area • Limit rain • Max infiltration m • Max water bottom m • Microrelief storage fraction • Min max elevation • Object entry correction • Prequel surface level relative • Rise rate distance m • Sewer overflow threshold • Shoreline • Duration min level m • Stabilizer angle • Start date ms • Surface water • Surface water evaporation factor • Timeframe times • Timeframes • Trim manning • Trim evapotranspiration • Trim root depth • Trim ground infiltration • Trim ground conductivity • Trim shoreline conductivity
- Related