Terrain ground infiltration md (Water Overlay): Difference between revisions

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*The groundwater level reduction is inversely proportional to the [[Water storage percentage (Terrain) (Water Overlay)|WATER_STORAGE_PERCENTAGE]], as the contribution of a given volume of water to the groundwater level increases when the capacity for water storage in the underground layer decreases.
*The groundwater level reduction is inversely proportional to the [[Water storage percentage (Terrain) (Water Overlay)|WATER_STORAGE_PERCENTAGE]], as the contribution of a given volume of water to the groundwater level increases when the capacity for water storage in the underground layer decreases.


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{{WaterOverlay terrain attribute nav}}

Revision as of 09:36, 5 April 2019

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Infiltration and storage

Based on the properties of the terrain, water may infiltrate into the underground water system.

The speed at which water can infiltrate from the surface to the underground unsaturated zone is dependent on both the infiltration properties of the surface terrain, as well as any construction in that location, if present. Of the infiltration values of the construction and the surface terrain, the lowest value is used. If either has an infiltration value of 0, water cannot infiltrate into the underground unsaturated zone.

Underground flow, or horizontal infiltration, are dependent on the infiltration properties of the underground, unless an aquifer exists at the same location.

How-to's

Notes

  • The groundwater level reduction is inversely proportional to the WATER_STORAGE_PERCENTAGE, as the contribution of a given volume of water to the groundwater level increases when the capacity for water storage in the underground layer decreases.
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Group
Terrain attributes
Ground infiltration md •  Hydraulic conductivity md •  Hydraulic conductivity with thickness md •  Root depth m •  Water •  Water evaporation factor •  Water manning •  Water microrlief m •  Water storage percentage
Related
Building attributes • Hydrological features • Hydraulic structures • Model attributes • Results • Simulation data
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