Difference between revisions of "Terrain water manning (Water Overlay)"

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|icon=[[File:waterwizard_icon_manning.png]]
 
|icon=[[File:waterwizard_icon_manning.png]]
 
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====Manning value (terrain)====
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====Manning's ''n'' (terrain)====
Terrains have an inherent "roughness", which influences how fast water can flow across the surface. This is known as the Manning coefficient or Manning value.
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[[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===
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====Notes====
* If a construction is present in the same location, the WATER_MANNING value of that constructions is used instead.
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* The default values for this attribute are derived from online accessible databases<ref name="WikiEngineer"/> and are readily [[How to add and remove an Attribute|adjusted]] by the user.
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* If a construction is present on the terrain, the [[Water manning (Water Overlay)|WATER_MANNING]] value of the construction is used instead.
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* Only terrains of type '[[Terrain#Surface|surface]]' have an assigned WATER_MANNING.
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[[File:Water_manning.png|frame|none|alt=Alt text|The default value for the WATER_MANNING attribute of surface type "Open land". The user can change this value.]]
  
==How-to's==
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====See also====
* [[How-to add and remove an attribute|Add and remove an attribute]]
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* [[Surface flow formula (Water Overlay)|Surface flow formula]]
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* [[Surface model (Water_Overlay)|Surface model]]
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==References==
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<references>
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<ref name="WikiEngineer">WikiEngineer (2008-2011). Manning Roughness Coefficients. Retrieved from: http://wikiengineer.com/Water-Resources/ManningRoughnessCoefficients </ref>
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</references>
 
{{WaterOverlay terrain attribute nav}}
 
{{WaterOverlay terrain attribute nav}}
 
{{Water Module buttons}}
 
{{Water Module buttons}}

Latest revision as of 08:22, 11 July 2019

Icon Attribute Unit Terrain type Description
Waterwizard icon manning.png WATER_MANNING s/(m1/3) Surface The Gauckler–Manning coefficient of the terrain.

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

See also

References

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