![]() In the main menu go to Vector | Geoprocessing Tools | Clip.ĥ. The junctions layer covers more than the Rur catchment so we need to clip it first.Ĥ. Click Run and Close the dialogue after processing. Uncheck all outputs except Junctions and save the shapefile to junctions.shp to your project folder.ģ. In the dialogue choose the Filled DEM for Elevation and use a Strahler Threshold of 8 (this is calibrated in the stream & catchment delineation procedure). ![]() In the Processing Toolbox choose SAGA | Terrain Analysis - Channels | Channel network and drainage basins.Ģ. In this section we'll derive the river junctions and apply the Points to catchments tool to all junctions.ġ. ![]() However, that would be a lot of manual work for digitizing and snapping the pour points. In a similar way we can delineate all subcatchments of the Rur catchment.
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