Terrain water manning (Water Overlay): Difference between revisions

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* [[Surface flow formula (Water Overlay)|Surface flow formula]]
* [[Surface flow formula (Water Overlay)|Surface flow formula]]
* [[Surface model (Water_Overlay)|Surface model]]
* [[Surface model (Water_Overlay)|Surface model]]
* [[Manning_prequel_(Water_Overlay)|Manning prequel]]
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Revision as of 14:45, 9 February 2022

Alt text
The default value for the WATER_MANNING attribute of surface type "Open land". The user can change this value.

Terrains have an inherent "roughness", affecting the flow of water across their surface, which is expressed by the Gauckler–Manning coefficient or, in short, Manning's value (n).

Notes

  • The manning value can alternatively be provided as a prequel.
  • The default values for this attribute are derived from online accessible databases[1] and are readily adjusted by the user.
  • If a construction is present on the terrain, the WATER_MANNING value of the construction is used instead.
  • Only terrains of type 'surface' have an assigned WATER_MANNING.

See also

References

  1. WikiEngineer (2008-2011). Manning Roughness Coefficients. Retrieved from: http://wikiengineer.com/Water-Resources/ManningRoughnessCoefficients