Discharge area (Watershed Overlay): Difference between revisions

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{{Overlay attribute
{{Overlay keys|<onlyinclude>
{{Overlay keys|type=row|overlay=Watershed
|key=DISCHARGE_AREA
|key=DISCHARGE_AREA
|unit=m
|unit={{boolean presence}}
|description=Indicates that an [[Area]] is identified as a unique discharge area. Discharge areas represent regions where rain water ends up and potentially enters the water management system to be discharged.
|description=Identifies the [[Area]] as a unique discharge area.  
}}
}}</onlyinclude>}}
 
Discharge areas represent regions where rain water ends up and potentially enters the water management system to be discharged.


==Notes==
{{article end
|notes=
* A discharge area always forms the basis of a watershed. Directional water flow, or the gradient of the terrain depending on the [[Discharge method (Watershed Overlay)|discharge method]], is backtracked to determine the watershed for a particular discharge area.
* A discharge area always forms the basis of a watershed. Directional water flow, or the gradient of the terrain depending on the [[Discharge method (Watershed Overlay)|discharge method]], is backtracked to determine the watershed for a particular discharge area.
* When multiple [[Area|areas]] overlap for a particular grid cell, only the first encountered discharge area is used.
* When multiple [[Area|areas]] overlap for a particular grid cell, only the first encountered discharge area is used.
* In the first step of the watershed algorithm, connected water cells that  water cells will be assigned to this discharge area when they are not yet assigned to any discharge area.
* In the first step of the watershed algorithm, connected water cells that  water cells will be assigned to this discharge area when they are not yet assigned to any discharge area.
|howtos=
*[[How to import discharge areas]]
|seealso=
* [[Discharge method (Watershed Overlay)]]
* [[Discharge areas result type (Watershed Overlay)]]
}}


==How to==
{{WatershedOverlay model attribute nav}}
*[[How_to_import_discharge_areas| How to import discharge areas]]
==See also==
* [[Discharge method (Watershed Overlay)|Discharge method]]
* [[Discharge_areas_result_type_(Watershed_Overlay)|Discharge areas (result type)]]
 
{{Template:WatershedOverlay_model_attribute_nav}}

Revision as of 11:25, 6 October 2020

Icon Key Unit Range Description Default value
DISCHARGE_AREA boolean by presence Identifies the Area as a unique discharge area. n/a

Discharge areas represent regions where rain water ends up and potentially enters the water management system to be discharged.

Notes

  • A discharge area always forms the basis of a watershed. Directional water flow, or the gradient of the terrain depending on the discharge method, is backtracked to determine the watershed for a particular discharge area.
  • When multiple areas overlap for a particular grid cell, only the first encountered discharge area is used.
  • In the first step of the watershed algorithm, connected water cells that water cells will be assigned to this discharge area when they are not yet assigned to any discharge area.

How-to's

See also

Watershed Module
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Watershed Module
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Tutorials
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Overview
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Theory
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Benchmarks
Group
Structures
Discharge area • Culvert
Overlay
Fill distance • Discharge remaining water • Culvert flow direction • Min area • Limit road
Related
Result type • Model attributes


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