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14. Conclusions

In this lesson you have learned to:

  • find and download SRTM DEM tiles from the EarthExplorer website
  • mosaic raster layers into a virtual raster
  • reproject rasters
  • create subsets of rasters
  • fill sinks in a DEM
  • calculate and style flow direction raster layers
  • calculate Strahler orders
  • delineate streams
  • delineate catchments
  • style layers for visualising catchments
You can watch this video for the full procedure:


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