Downslope Distance Gradient

Author(s)	O.Conrad (c) 2006
Library ID	ta_morphometry
Tool ID	9
Version	1.0
Menu	Terrain Analysis \| Morphometry

Description

Calculation of a new topographic index to quantify downslope controls on local drainage.

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Elevation	grid, input	`DEM`	-	-
Output	Gradient	grid, output	`GRADIENT`	-	-
Output	Gradient Difference	grid, output, optional	`DIFFERENCE`	Difference to local gradient.	-
Options	Grid System	grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Vertical Distance	floating point number	`DISTANCE`	-	Minimum: 0.000000 Default: 10.000000
	Output	choice	`OUTPUT`	-	Available Choices: [0] distance [1] gradient (tangens) [2] gradient (degree) Default: 2

Command Line


Usage: saga_cmd ta_morphometry 9 [-DEM ] [-GRADIENT ] [-DIFFERENCE ] [-DISTANCE ] [-OUTPUT ]
  -DEM:           Elevation
	grid, input
  -GRADIENT:      Gradient
	grid, output
  -DIFFERENCE:    Gradient Difference
	grid, output, optional
  -DISTANCE:   Vertical Distance
	floating point number
	Minimum: 0.000000
	Default: 10.000000
  -OUTPUT:
                       Output
                       	choice
                       	Available Choices:
                       	[0] distance
                       	[1] gradient (tangens)
                       	[2] gradient (degree)
                       	Default: 2