Ground infiltration md (Water Overlay): Difference between revisions

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{{Overlay attribute |GROUND_INFILTRATION_MD
{{Building attributes
|m/day
| <onlyinclude>
|Ground infiltration per day (m)
{{Building attributes|type=row|group=Water Overlay
|The speed at which water can flow vertically from the surface to the underground unsaturated zone.
|attribute=GROUND_INFILTRATION_MD
|unit=m/day
|functionvalue=Ground infiltration per day
|description=The speed at which water can flow vertically from the surface to the unsaturated zone.
|icon=waterwizard_icon_water_infiltration.png
}} </onlyinclude>
}}
}}
====Porous constructions====
Some constructions can porous or open and can allow water to infiltrate into the {{inlink|Underground model|underground unsaturated zone}}. Examples of such constructions are grass, bushes, trees or specialized roads and parking lots.


The speed at which water can infiltrate is dependent on both the infiltration properties of the constructions as well as on the underlying {{inlink|Hydrological properties of terrain|surface terrain}}. The infiltration value that will end up in the grid cell will be the minimum value of the infiltration values of the construction and the surface terrain. This also means that if either has an infiltration value of 0, water cannot infiltrate into the underground unsaturated zone.
Buildings with a significant GROUND_INFILTRATION_MD are known as porous buildings.
 
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.
 
{{article end
|notes=
* Infiltration only takes place when the [[ground model (Water Overlay)|ground model]] is active.
|howtos=
* [[How to add and remove an Attribute]]
|seealso=
* [[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=*[[Api session event editor building set attribute]]
*[[Api session event editor functionoverride set attribute]]
}}
 
{{WaterOverlay hydrological building attribute nav}}

Latest revision as of 12:27, 13 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

API Endpoints

Water Module
Water Module
Tutorials
Overview
Theory
Benchmarks
Group
Building attributes
Building height • Critical infrastructure • Ground infiltration md • Root depth m • Sewered • Solid • Water transpiration factor • Water manning • Water microrelief m • Tracer A • Tracer B • Tracer C • Tracer D
Related
Hydrological features • Hydraulic structures •  Terrain attributes • Model attributes • Prequels • Results • Simulation data
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