Ground water (Water Overlay): Difference between revisions

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{| class="wikitable"
[[File:Wateroverlay_wizard_ground_water_setting.png|thumb|right|The ground water mode can be configured in the Rain event step of a Water Overlay wizard.]]
! Attribute
{{Overlay attributes|<onlyinclude>
! Unit
{{Overlay attributes|type=row|overlay=Water
! Description
|attribute=GROUND_WATER
|-
|unit=nominal value
|{{anchor|GROUND_WATER|GROUND_WATER}}
|description=Whether and how [[Ground model (Water Overlay)|water in the ground]] is simulated during the calculation.
|boolean
|defaultvalue=Infiltration Only
|Whether [[Underground model (Water Overlay)|underground water flow]] is simulated during the calculation. If this is deactivated, [[infiltration model (Water Overlay)|surface infiltration]], [[infiltration model (Water Overlay)|underground infiltration]], and [[evaporation model (Water Overlay)|underground evaporation]] do not occur. Water flowing [[Sewer model (Water Overlay)|in- and out of the sewer]] are still simulated when sewers are present.
}}</onlyinclude>}}
|}


==How-to's==
{{nominal list|zeroindex=true
* [[How-to add and remove an attribute|Add and remove an attribute]]
||None: No [[infiltration model (Water Overlay)|infiltration]], no [[Ground flow formula (Water Overlay)|groundwater flow]], no [[evaporation model (Water Overlay)|ground evaporation]].
||Complete: Full [[Ground model (Water Overlay)|groundwater simulation]], including [[infiltration model (Water Overlay)|infiltration]], flow, and [[evaporation model (Water Overlay)|evaporation]]
||Infiltration only: Water can [[Surface infiltration formula (Water Overlay)|Infiltrate into the unsaturated zone]] only, but no further [[Ground flow formula (Water Overlay)|ground flow]] or [[evaporation model (Water Overlay)|ground evaporation]] is simulated. The unsaturated zone can be simulated to have finite capacity defined by the [[Max infiltration m (Water Overlay)|max infiltration parameter]].
}}
 
{{article end
|notes=
* Groundwater Overlays have the [[ground model (Water Overlay)|ground model]] active by default. The other Water Overlay variants have the ground model set to infiltration only. This is a recommended setting, trading in an imperceptible amount of accuracy for a more performant calculation setup.
* This setting does not affect water flowing [[Sewer model (Water Overlay)|in- and out of the sewer]].
|seealso=
* [[Ground model (Water Overlay)]]
* [[Infiltration model (Water Overlay)]]
* [[Surface water (Water Overlay)]]
|howtos=
* [[How to add and remove an Attribute]]
}}


{{WaterOverlay model attribute nav}}
{{WaterOverlay model attribute nav}}
{{Water Module buttons}}

Latest revision as of 14:37, 5 March 2024

The ground water mode can be configured in the Rain event step of a Water Overlay wizard.
Icon Attribute Unit Range Description Default value
GROUND_WATER nominal value Whether and how water in the ground is simulated during the calculation. Infiltration Only

0. None: No infiltration, no groundwater flow, no ground evaporation.
1. Complete: Full groundwater simulation, including infiltration, flow, and evaporation
2. Infiltration only: Water can Infiltrate into the unsaturated zone only, but no further ground flow or ground evaporation is simulated. The unsaturated zone can be simulated to have finite capacity defined by the max infiltration parameter.

Notes

  • Groundwater Overlays have the ground model active by default. The other Water Overlay variants have the ground model set to infiltration only. This is a recommended setting, trading in an imperceptible amount of accuracy for a more performant calculation setup.
  • This setting does not affect water flowing in- and out of the sewer.

How-to's

See also

Water Module
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Water Module
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Tutorials
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Overview
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Theory
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Benchmarks
Group
Model attributes
Allowed water increase m • Avg shore width m • Avg terrain width m • Avg terrain storage m • Breach measurement distance m • Bridge elevation • Culvert dem threshold m • Design flood elevation m • Extended reconstruction • Ground bottom distance m • Ground bottom pressure m • Ground water • Ground water depth m • Ground watertable with surface • Impact flood threshold m • Impact range m • Increased resolution • Infiltration factor s
Limit area • Limit rain • Max infiltration m • Max water bottom m • Microrelief storage fraction • Min max elevation • Object entry correction • Prequel surface level relative • Rise rate distance m • Sewer overflow threshold • Shoreline • Show duration flood level m • Stabilizer angle • Start date ms • Surface water • Surface water evaporation factor • Timeframe times • Timeframes • Unsaturated fraction • Weir dam multiplier • Weir move interval s • Weir move range m • Weir move step m
Related
Building attributes • Hydrological features • Hydraulic structures •  Terrain attributes • Results • Simulation data
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