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What is Catchment Delineation in QGIS Tutorial about?

This document provides instructions for delineating a catchment area using QGIS. It describes downloading a digital elevation model (DEM) and using GRASS tools in QGIS to: 1. Fill sinks in the DEM to create a hydrologically correct surface. 2. Calculate flow direction and accumulation across the DEM. 3. Determine a flow accumulation threshold to delineate stream channels. 4. Extract stream vectors using the threshold. The overall goal is to delineate the catchment area that drains to a specified outlet po

Author

maram lassoued

Language

EN