Convergence Index

Author: O.Conrad (c) 2001
Menu: Terrain Analysis | Morphometry

Description

The convergence/divergence index.

References

Koethe, R. & Lehmeier, F. (1996): SARA - System zur Automatischen Relief-Analyse. User Manual, 2. Edition [Dept. of Geography, University of Goettingen, unpublished]

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Elevation	grid, input	`ELEVATION`	-	-
Output	Convergence Index	grid, output	`RESULT`	-	-
Options	Grid System	grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Method	choice	`METHOD`	-	Available Choices: [0] Aspect [1] Gradient Default: 0
	Gradient Calculation	choice	`NEIGHBOURS`	-	Available Choices: [0] 2 x 2 [1] 3 x 3 Default: 0

Command Line


Usage: saga_cmd ta_morphometry 1 [-ELEVATION ] [-RESULT ] [-METHOD ] [-NEIGHBOURS ]
  -ELEVATION:    Elevation
	grid, input
  -RESULT:       Convergence Index
	grid, output
  -METHOD:       Method
	choice
	Available Choices:
	[0] Aspect
	[1] Gradient
	Default: 0
  -NEIGHBOURS:   Gradient Calculation
	choice
	Available Choices:
	[0] 2 x 2
	[1] 3 x 3
	Default: 0