WMS:Drainage Module Menus

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The DEM menu for the Drainage module contains the following commands:

Compute Flow Direction/Accumilation
Import Flow Direction/Accumilations
Node↔Outlet
Arcs→Outlets
The Arcs→Outlets command in the DEM menu of the Drainage module will automatically place a new outlet feature point at all intersections of a selected arc (required input to the command) and the specified flow accumulation value. The default flow accumulation threshold will correspond to the current display options setting and represents the area upstream. This is particularly useful if wanting to establish outlets for a series of drainages that a highway or other important line feature will cross as illustrated in the figure below.
Outlets created with the Arcs⇒Outlets command
The arc should exist in a drainage coverage or the nodes created by the intersection will be generic nodes rather than drainage outlets.
DEM→Steam Arcs
Define Basins
Basins→Polygons
Merge Selected Basins
Delete NULL Basins Cell Data
Compute Basin Data
Compute Gage Weights
Delineate Basins Wizard
Draw Flow Patterns
Compute Area Between Elevations
Polygon Basin IDs→DEM
Export TOPAZ File


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