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QCT Watershed Delineation

Plugin ID: 5516

Automated two-phase watershed delineation using WhiteboxTools: DEM preprocessing, stream network extraction, outlet snapping, watershed and subbasin analysis — no command line required.

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QCT Watershed Delineation is part of the QCivilTools civil engineering plugin suite.
Two-phase automated watershed delineation powered by WhiteboxTools (WBT):

PHASE 1 (Steps 1-5): Fill DEM → D8 Flow Direction → Flow Accumulation → Extract Streams → Vectorize Stream Network.
PHASE 2 (Steps 6-13): Snap Pour Points → Delineate Watershed → Vectorize → UnnestBasins → Longest Flow Path → Subbasins → Subbasin Info shapefile → All-DEM Subbasins shapefile.

Outlet points can be picked interactively on the QGIS map canvas.
All output layers share the CRS of the input DEM automatically.

Version QGIS >= QGIS <= Date