In this video first the concept of the Strahler order method for ordering streams is explained. Next it is demonstrated how to calculate these in QGIS from a DEM.

Strahler orders can be used in the stream delineation process that is explained in another video:    • Stream and catchment delineation in Q...  

This video is part of IHE Delft OpenCourseWare. More free materials on GIS can be found at http://www.gisopencourseware.org



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