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