Terrain ground infiltration md (Water Overlay): Difference between revisions
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(Created page with "{| class="wikitable" ! Attribute ! Unit ! Terrain type ! Description |- |{{anchor|GROUND_INFILTRATION_MD_surface|GROUND_INFILTRATION_MD}} |m/day |Surface |The speed at which w...") |
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{ | {{Overlay terrain attribute | ||
|GROUND_INFILTRATION_MD | |||
|m/day | |m/day | ||
|Surface | |Surface | ||
|The speed at which water can flow vertically from the surface to the underground unsaturated zone. | |The speed at which water can flow vertically from the surface to the underground unsaturated zone. | ||
|GROUND_INFILTRATION_MD | |||
|m/day | |m/day | ||
|Underground | |Underground | ||
|The speed at which water can flow vertically from the underground unsaturated zone to the underground saturated zone, and horizontally through across the saturated zone. | |The speed at which water can flow vertically from the underground unsaturated zone to the underground saturated zone, and horizontally through across the saturated zone. | ||
}} | |||
====Infiltration and storage==== | ====Infiltration and storage==== | ||
Revision as of 11:53, 3 April 2019
Template:Overlay terrain attribute
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 the same location.
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.