Ground infiltration md (Water Overlay): Difference between revisions
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Some [[building]]s can be porous or open and can allow water to infiltrate into the [[Ground model (Water Overlay)|ground unsaturated zone]]. Examples of such buildings are grass, bushes, trees or specialized roads and parking lots. | Some [[building]]s can be porous or open and can allow water to infiltrate into the [[Ground model (Water Overlay)|ground unsaturated zone]]. Examples of such buildings are grass, bushes, trees or specialized roads and parking lots. | ||
Infiltration speed depends on the building's [[Ground infiltration per day (Function Value)|infiltration properties]] and the underlying [[Terrain ground infiltration md (Water Overlay)|surface and ground terrain]]. The grid cell uses the lowest infiltration value among the building, surface terrain, and ground terrain. This also means that if any of the infiltration values is 0, water cannot infiltrate into the unsaturated zone. | |||
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* [[Ground model (Water Overlay)]] | * [[Ground model (Water Overlay)]] | ||
* [[Infiltration model (Water Overlay)]] | * [[Infiltration model (Water Overlay)]] | ||
|api=*[[Api session event editor building set attribute]] | |||
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{{WaterOverlay hydrological building attribute nav}} | {{WaterOverlay hydrological building attribute nav}} | ||
Latest revision as of 12:55, 7 July 2026
| Icon | Attribute | Unit | Range | Description |
|---|---|---|---|---|
 |
GROUND_INFILTRATION_MD | m/day | The speed at which water can flow vertically from the surface to the unsaturated zone. |
Buildings with a significant GROUND_INFILTRATION_MD are known as porous buildings.
Some buildings can be porous or open and can allow water to infiltrate into the ground unsaturated zone. Examples of such buildings are grass, bushes, trees or specialized roads and parking lots.
Infiltration speed depends on the building's infiltration properties and the underlying surface and ground terrain. The grid cell uses the lowest infiltration value among the building, surface terrain, and ground terrain. This also means that if any of the infiltration values is 0, water cannot infiltrate into the unsaturated zone.
Notes
- Infiltration only takes place when the ground model is active.
How-to's
See also
- Ground infiltration per day (Function Value)
- Terrain ground infiltration md (Water Overlay)
- Surface infiltration formula (Water Overlay)
- Surface model (Water Overlay)
- Ground model (Water Overlay)
- Infiltration model (Water Overlay)
API Endpoints
- Group
- Building attributes
- Building height • Critical infrastructure • Ground infiltration md • Root depth m • Sewered • Solid • Water evaporation factor • Water manning • Water microrelief m • Tracer A • Tracer B • Tracer C • Tracer D
- Related