This video shows how to calculate the Bifurcation Ratio of a stream network using QGIS. The input is a line vector layer with Strahler orders. Besides the manual calculation a PyQGIS script is developed for automation of the calculation.

The script can be downloaded from GitHub: https://github.com/jvdkwast/PyQGIS_Hydro

More free materials are available at the GIS OpenCourseWare platform: http://www.gisopencourseware.org

These materials are part of IHE Delft OpenCourseWare

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