Getting Started with Watershed Delineation in QGIS using DEM Data | 2025

Описание: Welcome, in this video tutorial you will learn how to delineate watershed / catchment area in QGIS using DEM data. You will also learn how to generate stream or river network from DEM data. I had prepared the watershed using SRTM DEM downloaded from the USGS Website. If you want to learn how to get DEM data please follow this videos link:    • How to Download 30m SRTM DEM Data from Ear...  
   • How to Download DEM data using QGIS softwa...  
UTM Grid Zones of the World - DMAP
https://www.dmap.co.uk/utmworld.htm
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00:00 Introduction
00:55 Projecting DEM
03:36 Getting to your UTM Zone (Projection)
06:55 Fill
08:58 Strahler Order / Stream Order
09:51 Stream Order Threshold
12:13 Streams to shapefile
13:58 Defining outlet
20:04 Watershed delineation / Upslope area
21:09 watershed to shapefile
22:12 clipping stream
#QGIS #watersheddelineation #catchmentarea #streamnetwork #hydrologicalmodeling #DEM #learnQGIS