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Hydrological Analysis Stream Network

Plugin ID: 4554

Algorithm for hydrological analysis that generates the drainage network from a digital terrain model (DTM)

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Algorithm for hydrological analysis that generates the drainage network from a digital terrain model (DTM).

Main feautures:
- Vector stream network (raw and smoothed)
- Drainage directions
- Topographic index ln(a/tan(b))
- Half basins.

Main steps:
1) Fill sinks (Wang & Liu algorithm)
2) Flow calculation and stream delineation
3) Raster to vector conversion
4) Geometry smoothing

Version QGIS >= QGIS <= Date
2.0.1 - 3.16.0 4.99.0 128 ls04ms 2026-03-13T13:37:50.492116+00:00
2.0.0 - 3.16.0 4.99.0 216 ls04ms 2026-03-11T11:12:26.614488+00:00
1.1.1 - 3.44.7 3.99.0 312 ls04ms 2026-02-08T16:18:34.484934+00:00

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