| Tool Name | Stream Power Index |
| Tool ID | 21 |
| Library ID | ta_hydrology |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2003 |
Moore, I.D., Grayson, R.B., Ladson, A.R. (1991): Digital terrain modelling: a review of hydrogical, geomorphological, and biological applications. Hydrological Processes, Vol.5, No.1. doi:10.1002/hyp.3360050103
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Slope | grid, input | SLOPE | ||
| Catchment Area | grid, input | AREA | ||
| Output | ||||
| Stream Power Index | grid, output | SPI | ||
| Options | ||||
| Area Conversion | choice | CONV | Available Choices: [0] no conversion (areas already given as specific catchment area) [1] 1 / cell size (pseudo specific catchment area) Default: 0 | |