Hydrological attributes of terrains (Water Overlay): Difference between revisions

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[[Terrain]]s in a project have a number of hydrological properties which can influence the flow of water in a project. Because there is always both surface and underground terrain defined for the entirety of the project area, all cells are affected by all properties of terrains, unless a [[hydrological attributes of constructions (Water Overlay)|construction]] is present with overwriting values.
[[Terrain]]s in a project have a number of hydrological properties which can influence the flow of water in a project. Because there is always both surface and underground terrain defined for the entirety of the project area, all cells are affected by all properties of terrains, unless a [[hydrological attributes of buildings (Water Overlay)|building]] is present with overwriting values.


{| class="wikitable"
{{terrain attributes|suppresscategory=true|allowselflinks=true|
! Icon
{{:terrain hydraulic conductivity md (Water Overlay)}}
! Attribute
{{:terrain hydraulic conductivity with thickness md (Water Overlay)}}
! Unit
{{:terrain ground infiltration md (Water Overlay)}}
! Type
{{:terrain root depth m (Water Overlay)}}
! Description
{{:terrain water (Water Overlay)}}
|-
{{:terrain water evaporation factor (Water Overlay)}}
|
{{:terrain water manning (Water Overlay)}}
|[[Terrain_water_(Water_Overlay)|WATER]]
{{:terrain water microrelief m (Water Overlay)}}
|boolean
{{:terrain water storage percentage (Water Overlay)}}
|Surface
}}
|Whether the specified terrain is a water terrain.
 
|-
{{article end
|
|notes=
|[[Terrain_root_depth_m_(Water_Overlay)|ROOT_DEPTH_M]]
* In general, surface [[Terrain Attributes]] can be overridden by [[hydrological attributes of buildings (Water Overlay)|attributes of building]]s on the surface, even when the attribute values of the building are set to 0.
|m
}}
|Surface
|The depth of the roots of this surface terrain, relative to the surface. Water can be drawn from the underground and evaporated if the roots can reach it.
|-
|[[File:waterwizard_icon_evaporation_factor.png]]
|[[Terrain_water_evaporation_factor_(Water_Overlay)|WATER_EVAPORATION_FACTOR]]
|factor
|Surface
|How fast this terrain can evaporate water from the underground. The [[weather (Water Overlay)|weather]] evaporation speed is multiplied by this factor to determine the rate of evaporation.
|-
|
|[[Terrain_water_storage_percentage_(Water_Overlay)|WATER_STORAGE_PERCENTAGE]]
|fraction
|Underground
|The percentage (as a fraction) of the underground volume which can be filled with water. A lower percentage means the underground will be able to store less water, and the saturated zone will rise higher with the same amount of water in the underground layer.
|-
|[[File:waterwizard_icon_water_infiltration.png]]
|[[Terrain_ground_infiltration_md_(Water_Overlay)|GROUND_INFILTRATION_MD]]
|m/day
|Surface
|The speed at which water can flow vertically from the surface to the underground unsaturated zone.
|-
|[[File:waterwizard_icon_water_infiltration.png]]
|[[Terrain_ground_infiltration_md_(Water_Overlay)|GROUND_INFILTRATION_MD]]
|m/day
|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.
|-
|[[File:waterwizard_icon_manning.png]]
|[[Terrain_water_manning_(Water_Overlay)|WATER_MANNING]]
|s/(m<sup>1/3</sup>)
|Surface
|The Gauckler–Manning coefficient of the terrain.
|}
==Notes==
* In general, surface terrain attributes can be overridden by [[hydrological attributes of constructions (Water Overlay)|attributes of construction]]s on the surface, even when the attribute values of the construction are set to 0.


{{WaterOverlay terrain attribute nav}}
{{WaterOverlay terrain attribute nav}}
[[Category:Water Module]]
[[Category:Water Module]]

Latest revision as of 17:15, 27 February 2024

Terrains in a project have a number of hydrological properties which can influence the flow of water in a project. Because there is always both surface and underground terrain defined for the entirety of the project area, all cells are affected by all properties of terrains, unless a building is present with overwriting values.

Notes