Terrain water manning (Water Overlay): Difference between revisions
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====Manning's ''n'' (terrain)==== | ====Manning's ''n'' (terrain)==== | ||
[[Terrain]]s 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==== | ====Notes==== |
Revision as of 12:34, 20 June 2019
Manning's n (terrain)
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 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
- ↑ WikiEngineer (2008-2011). Manning Roughness Coefficients. Retrieved from: http://wikiengineer.com/Water-Resources/ManningRoughnessCoefficients