Discharge area (Watershed Overlay): Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
Line 1: | Line 1: | ||
{{Overlay | {{Overlay keys|<onlyinclude> | ||
{{Overlay keys|type=row|overlay=Watershed | |||
|key=DISCHARGE_AREA | |key=DISCHARGE_AREA | ||
|unit= | |unit={{boolean presence}} | ||
|description= | |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. | |||
{{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)]] | |||
}} | |||
{{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