Tool Channel Network and Drainage Basins

Deterministic 8 based flow network analysis.

Author: O.Conrad (c) 2003
Menu: Terrain Analysis|Channels

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Elevation	Grid, input	`DEM`	-	-
Output	Flow Direction (*)	Grid, output, optional	`DIRECTION`	-	-
	Flow Connectivity (*)	Grid, output, optional	`CONNECTION`	-	-
	Strahler Order (*)	Grid, output, optional	`ORDER`	-	-
	Drainage Basins (*)	Grid, output, optional	`BASIN`	-	-
	Channels	Shapes, output	`SEGMENTS`	-	-
	Drainage Basins	Shapes, output	`BASINS`	-	-
	Junctions (*)	Shapes, output, optional	`NODES`	-	-
Options	Grid System	Grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Threshold	Integer	`THRESHOLD`	Strahler order to begin a channel.	Minimum: 1 Default: 5
	Subbasins	Boolean	`SUBBASINS`	-	Default: 1
(*) optional

Command-line

Usage: saga_cmd ta_channels 5 [-DEM <str>] [-DIRECTION <str>] [-CONNECTION <str>] [-ORDER <str>] [-BASIN <str>] [-SEGMENTS <str>] [-BASINS <str>] [-NODES <str>] [-THRESHOLD <num>] [-SUBBASINS <str>]
  -DEM:<str>       	Elevation
	Grid, input
  -DIRECTION:<str> 	Flow Direction
	Grid, output, optional
  -CONNECTION:<str>	Flow Connectivity
	Grid, output, optional
  -ORDER:<str>     	Strahler Order
	Grid, output, optional
  -BASIN:<str>     	Drainage Basins
	Grid, output, optional
  -SEGMENTS:<str>  	Channels
	Shapes, output
  -BASINS:<str>    	Drainage Basins
	Shapes, output
  -NODES:<str>     	Junctions
	Shapes, output, optional
  -THRESHOLD:<num> 	Threshold
	Integer
	Minimum: 1
	Default: 5
  -SUBBASINS:<str> 	Subbasins
	Boolean
	Default: 1