Terrain water storage percentage (Water Overlay): Difference between revisions

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|description=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.
|description=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.
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====Infiltration and storage====
 
===Infiltration and storage===
Based on the properties of the terrain, water may infiltrate into the [[Underground model (Water Overlay)|ground layers]]. Two ground layers are distinguised; the underground unsaturated zone and underground saturated zone.
Based on the properties of the terrain, water may infiltrate into the [[Underground model (Water Overlay)|ground layers]]. Two ground layers are distinguised; the underground unsaturated zone and underground saturated zone.


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[[Underground model (Water Overlay)#Horizontal flow and aquifers|Underground flow]], also known as horizontal infiltration, is also dependent on the infiltration properties of the underground, unless an [[Aquifer (Water Overlay)|aquifer]] exists the same location.
[[Underground model (Water Overlay)#Horizontal flow and aquifers|Underground flow]], also known as horizontal infiltration, is also dependent on the infiltration properties of the underground, unless an [[Aquifer (Water Overlay)|aquifer]] exists the same location.
===Notes===
*The groundwater level reduction is related inversely 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.


==How-to's==
==How-to's==
* [[How-to add and remove an attribute|Add and remove an attribute]]
* [[How-to add and remove an attribute|Add and remove an attribute]]
===Notes===
*The groundwater level reduction is related inversely 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.
{{WaterOverlay terrain attribute nav}}
{{WaterOverlay terrain attribute nav}}
{{Water Module buttons}}
{{Water Module buttons}}

Revision as of 08:44, 20 June 2019

Template:Overlay attribute

Infiltration and storage

Based on the properties of the terrain, water may infiltrate into the ground layers. Two ground layers are distinguised; the underground unsaturated zone and underground saturated zone.

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, also known as horizontal infiltration, is also dependent on the infiltration properties of the underground, unless an aquifer exists the same location.

Notes

  • The groundwater level reduction is related inversely 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.

How-to's

Water Module
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Water Module
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Tutorials
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Overview
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Theory button.png
Theory
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Benchmarks
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


Benchmarks button.png
Introduction button.png
Water Module
Benchmarks button.png
Getting started button.png
Tutorials
Benchmarks button.png
Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
Benchmarks
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