| Tool Name | Flow Accumulation (Parallelizable) |
| Tool ID | 29 |
| Library ID | ta_hydrology |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2018 |
Freeman, G.T. (1991): Calculating catchment area with divergent flow based on a regular grid. Computers and Geosciences, 17:413-22. doi:10.1016/0098-3004(91)90048-I
O'Callaghan, J.F. & Mark, D.M. (1984): The extraction of drainage networks from digital elevation data. Computer Vision, Graphics and Image Processing, 28:323-344. doi:10.1016/S0734-189X(84)80011-0
Tarboton, D.G. (1997): A new method for the determination of flow directions and upslope areas in grid digital elevation models. Water Resources Research, Vol.33, No.2, p.309-319. doi:10.1029/96WR03137
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Elevation | grid, input | DEM | ||
| Output | ||||
| Flow Accumulation | grid, output | FLOW | ||
| Options | ||||
| Update Frequency | integer number | UPDATE | if zero no updates will be done | Minimum: 0 Default: 0 |
| Method | choice | METHOD | Available Choices: [0] D8 [1] Dinfinity [2] MFD Default: 2 | |
| Convergence | floating point number | CONVERGENCE | Minimum: 0.000000 Default: 1.100000 | |