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 of Geography, University of Goettingen, unpublished]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