Tool Successive Flow Routing
Calculation of flow accumulation, aka upslope contributing area, with the multiple flow direction method after Freeman (1991).
References
- Freeman, G.T. (1991): Calculating catchment area with divergent flow based on a rectangular grid. Computers & Geosciences, 17, pp.413-422.
- Pelletier, J.D. (2008): Quantitative Modeling of Earth Surface Processes. Cambridge, 295p.
- Author: O.Conrad (c) 2013
- Menu: Simulation|Hydrology
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | DEM | grid, input | DEM | - | - |
| Output | Flow | grid, output | FLOW | - | - |
| Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - |
| Iterations | integer number | ITERATIONS | - | Minimum: 1
Default: 100 |
| Runoff | floating point number | RUNOFF | - | Minimum: 0.000000
Default: 1.000000 |
| Manning's Roughness | floating point number | MANNING | - | Default: 0.200000 |
Command-line
Usage: saga_cmd sim_qm_of_esp 3 [-DEM <str>] [-FLOW <str>] [-ITERATIONS <num>] [-RUNOFF <double>] [-MANNING <double>]
-DEM:<str> DEM
grid, input
-FLOW:<str> Flow
grid, output
-ITERATIONS:<num> Iterations
integer number
Minimum: 1
Default: 100
-RUNOFF:<double> Runoff
floating point number
Minimum: 0.000000
Default: 1.000000
-MANNING:<double> Manning's Roughness
floating point number
Default: 0.200000