Channel Network and Drainage Basins

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

Description

Deterministic 8 based flow network analysis.

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 number	`THRESHOLD`	Strahler order to begin a channel.	Minimum: 1 Default: 5
	Subbasins	boolean	`SUBBASINS`	-	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