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 (optional output)	`DIRECTION`	-	-
	Flow Connectivity (*)	Grid (optional output)	`CONNECTION`	-	-
	Strahler Order (*)	Grid (optional output)	`ORDER`	-	-
	Drainage Basins (*)	Grid (optional output)	`BASIN`	-	-
	Channels	Shapes (output)	`SEGMENTS`	-	-
	Drainage Basins	Shapes (output)	`BASINS`	-	-
	Junctions (*)	Shapes (optional output)	`NODES`	-	-
Options	Grid System	Grid system	`PARAMETERS_GRID_SYSTEM`	-	-
Options	Threshold	Integer	`THRESHOLD`	Strahler order to begin a channel.	Minimum: 1 Default: 5
(*) 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>]
  -DEM:<str>       	Elevation
	Grid (input)
  -DIRECTION:<str> 	Flow Direction
	Grid (optional output)
  -CONNECTION:<str>	Flow Connectivity
	Grid (optional output)
  -ORDER:<str>     	Strahler Order
	Grid (optional output)
  -BASIN:<str>     	Drainage Basins
	Grid (optional output)
  -SEGMENTS:<str>  	Channels
	Shapes (output)
  -BASINS:<str>    	Drainage Basins
	Shapes (output)
  -NODES:<str>     	Junctions
	Shapes (optional output)
  -THRESHOLD:<num> 	Threshold
	Integer
	Minimum: 1
	Default: 5