Tool Channel Network and Drainage Basins
Deterministic 8 based flow network analysis.
- Author: O.Conrad (c) 2003
- Menu: Terrain Analysis|Channels
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 | |
| (*) optional | |||||
Command-line
Usage: saga_cmd ta_channels 5 [-DEM <str>] [-DIRECTION <str>] [-CONNECTION <str>] [-ORDER <str>] [-BASIN <str>] [-SEGMENTS <str>] [-BASINS <str>] [-NODES <str>] [-THRESHOLD <num>] [-SUBBASINS <str>] -DEM:<str> Elevation grid, input -DIRECTION:<str> Flow Direction grid, output, optional -CONNECTION:<str> Flow Connectivity grid, output, optional -ORDER:<str> Strahler Order grid, output, optional -BASIN:<str> Drainage Basins grid, output, optional -SEGMENTS:<str> Channels shapes, output -BASINS:<str> Drainage Basins shapes, output -NODES:<str> Junctions shapes, output, optional -THRESHOLD:<num> Threshold integer number Minimum: 1 Default: 5 -SUBBASINS:<str> Subbasins boolean Default: 1