SAGA 9.4.2 | Tool Library Documentation

Channel Network and Drainage Basins


Description

Deterministic 8 based flow network analysis.


Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationgrid, inputDEM--
OutputFlow Directiongrid, output, optionalDIRECTION--
Flow Connectivitygrid, output, optionalCONNECTION--
Strahler Ordergrid, output, optionalORDER--
Drainage Basinsgrid, output, optionalBASIN--
Channelsshapes, outputSEGMENTS--
Drainage Basinsshapes, outputBASINS--
Junctionsshapes, output, optionalNODES--
OptionsGrid Systemgrid systemPARAMETERS_GRID_SYSTEM--
Thresholdinteger numberTHRESHOLDStrahler order to begin a channel.Minimum: 1 Default: 5
SubbasinsbooleanSUBBASINS-Default: 1

Command Line


Usage: saga_cmd ta_channels 5 [-DEM ] [-DIRECTION ] [-CONNECTION ] [-ORDER ] [-BASIN ] [-SEGMENTS ] [-BASINS ] [-NODES ] [-THRESHOLD ] [-SUBBASINS ]
  -DEM:       	Elevation
	grid, input
  -DIRECTION: 	Flow Direction
	grid, output, optional
  -CONNECTION:	Flow Connectivity
	grid, output, optional
  -ORDER:     	Strahler Order
	grid, output, optional
  -BASIN:     	Drainage Basins
	grid, output, optional
  -SEGMENTS:  	Channels
	shapes, output
  -BASINS:    	Drainage Basins
	shapes, output
  -NODES:     	Junctions
	shapes, output, optional
  -THRESHOLD: 	Threshold
	integer number
	Minimum: 1
	Default: 5
  -SUBBASINS: 	Subbasins
	boolean
	Default: 1