Ground bottom pressure m (Water Overlay): Difference between revisions

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{{Overlay attribute
[[File:Wateroverlay_wizard_ground_bottom_pressure_m_setting.png|thumb|right|The ground bottom pressure m setting can be configured in the Bottom boundary step of a [[Water Overlay]] wizard, when the [[Ground water (Water Overlay)|ground water mode]] set to '''Complete'''.]]
|attribute=SEEPAGE_FLUCTUATION
{{Overlay attributes|<onlyinclude>
|unit=m (head)
{{Overlay attributes|type=row|overlay=Water
|description=The additional head of higher areas outside the project causing groundwater seepage. This seepage fluctuation is [[Underground_seepage_formula_(Water_Overlay)|added on top of the base seepage]]. This variation can be defined over time, similar to a weather's [[Rain_m_(Water_Overlay)|rainfall]].
|attribute=GROUND_BOTTOM_PRESSURE_M
|icon=[[File:waterwizard_icon_seepage_fluctuation.png]]
|unit=m
}}
|description=Optional: The additional head of higher areas outside the project causing water to flow in or out of the ground from deeper ground layers through the bottom boundary.  
|icon=waterwizard_icon_bottom_pressure.png
|defaultvalue=0
}}</onlyinclude>}}
 
This optionally fluctuating bottom pressure is added to the spatially defined [[Bottom pressure prequel (Water Overlay)|Bottom pressure]] and [[Bottom resistance prequel (Water Overlay)| resistance]], to calculate [[Ground bottom flow formula (Water Overlay)|ground bottom flow]].
 
This attribute can be defined as [[time sequence (Water Overlay)|values over time]], using an array of values, defined as pairs of the {{time sequence start}} and its value from that point on.


==How-to's==
{{article end
|notes=
* Only configurable when the [[Ground water (Water Overlay)|ground water mode]] is set to '''Complete'''.
|howtos=
* [[How to add and remove an Attribute]]
* [[How to add and remove an Attribute]]
|seealso=
* [[Bottom resistance prequel (Water Overlay)]]
* [[Bottom pressure prequel (Water Overlay)]]
* [[Ground model (Water Overlay)#Ground bottom flow]]
* [[Ground bottom flow result type (Water Overlay)]]
* [[Ground bottom flow formula (Water Overlay)]]
}}


==See also==
{{WaterOverlay model attribute nav}}
* [[Underground_seepage_formula_(Water_Overlay)|Seepage formula]]
* [[Seepage_Geotiffs_(Water Overlay)|Seepage geotiffs]]
* [[Ground_last_seepage_result_type_(Water_Overlay)|Seepage result type]]
 
{{WaterOverlay_model_attribute_nav}}

Latest revision as of 13:12, 29 January 2024

The ground bottom pressure m setting can be configured in the Bottom boundary step of a Water Overlay wizard, when the ground water mode set to Complete.
Icon Attribute Unit Range Description Default value
Waterwizard icon bottom pressure.png GROUND_BOTTOM_PRESSURE_M m Optional: The additional head of higher areas outside the project causing water to flow in or out of the ground from deeper ground layers through the bottom boundary. 0

This optionally fluctuating bottom pressure is added to the spatially defined Bottom pressure and resistance, to calculate ground bottom flow.

This attribute can be defined as values over time, using an array of values, defined as pairs of the start-time and its value from that point on.

Notes

How-to's

See also

Water Module
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Water Module
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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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