Flow Accumulation (Mass-Flux Method)
- Author: O.Conrad (c) 2009
- Menu: Terrain Analysis | Hydrology | Flow Accumulation | Alternatives
Description
The Mass-Flux Method (MFM) for the DEM based calculation of flow accumulation as proposed by Gruber and Peckham (2008). !!!UNDER DEVELOPMENT!!! To be done: solving the streamline resolution problem
References
- Gruber, S. & Peckham, S. (2008): Land-Surface Parameters and Objects in Hydrology. In: Hengl, T. & Reuter, H.I. [Eds.]: Geomorphometry: Concepts, Software, Applications. Developments in Soil Science, Elsevier, Bd.33, S.293-308. doi:10.1016/S0166-2481(08)00007-X.
Parameters
| Name | Type | Identifier | Description | Constraints | |
|---|---|---|---|---|---|
| Input | Elevation | grid, input | DEM | - | - |
| Output | Flow Accumulation | grid, output | AREA | - | - |
| Grids | grid list, output, optional | QUARTERS_GRIDS | - | - | |
| Flow Lines | shapes, output, optional | FLOW_LINES | - | - | |
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - |
| Flow Split Method | choice | METHOD | - | Available Choices: [0] flow width (original) [1] cell area Default: 0 | |
| Create Quarter Cell Information | boolean | QUARTERS | - | Default: 0 |
Command Line
Usage: saga_cmd ta_hydrology 18 [-DEM] [-AREA ] [-METHOD ] [-QUARTERS ] [-QUARTERS_GRIDS ] [-FLOW_LINES ] -DEM: Elevation grid, input -AREA: Flow Accumulation grid, output -METHOD: Flow Split Method choice Available Choices: [0] flow width (original) [1] cell area Default: 0 -QUARTERS: Create Quarter Cell Information boolean Default: 0 -QUARTERS_GRIDS: Grids grid list, output, optional -FLOW_LINES: Flow Lines shapes, output, optional