Culvert threshold (Water Overlay) and External area (Water Overlay): Difference between pages

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{{Template:Overlay attribute
{{Overlay attribute
|icon=[[File:waterwizard_icon_culvert_height.png]]
|attribute=[[External_area_(Water_Overlay)|EXTERNAL_AREA]]
|attribute=CULVERT_HEIGHT
|unit=
|unit={{mdatum}}
|description=The surface area of the external water body behind the breach. The larger the external water body, the more water can flow from it (or into it), and the smaller the effect of the inflow or outflow of water on the external water level.
|description=The height of the inner side of the culvert's underside (or the threshold height at which water starts flowing through the culvert). When set to a level below the terrain height at either end-point, the culvert's height will automatically attain a value equal to that of the highest [[terrain height (Water Overlay)|terrain]] found at either of its endpoints.
|defaultvalue=n/a
|devaultvalue=0
|icon=[[File:waterwizard_icon_external_area.png]]
}}
}}
==Notes==
* When a [[Breach_input_area_(Water Overlay)|breach input area]] is defined, an external water body will not be created. Subsequently, the [[External_surface_level_(Water_Overlay)|EXTERNAL_SURFACE_LEVEL]], [[External_water_level_(Water_Overlay)|EXTERNAL_WATER_LEVEL]] and [[External_area_(Water_Overlay)|EXTERNAL_AREA]] attributes will be ignored.
==See also==
==See also==
*[[Culvert_formula_(Water_Overlay)|Culvert formula]]
* [[Breach growth formula (Water Overlay)|Breach growth formula]]
{{WaterOverlay hydraulic structure nav}}
* [[Breach flow formula (Water Overlay)|Breach flow formula]]
* [[Weir formula (Water Overlay)|Weir formula]]
{{WaterOverlay hydrological features nav}}


{{Water Module buttons}}
{{Water Module buttons}}

Revision as of 14:19, 19 June 2019