QGIS - Surficial geology Tutorial 4

This one explains how to extract elevation data from a raster grid (elevation model) for a single geological map unit of interest, i.e. a set of polygons, and then get some summary statistics about the elevation of that unit.

Chapters:
0:00 Introduction
00:47 Quick recap and new questions/tasks
2:00 Load the elevation model
2:59 Explore the DEM data
3:22 Create a new layer of one specific geological unit
6:48 How to re-project a raster layer
8:47 Raster analysis and zonal statistics
12:15 Export and process the elevation data
14:15 Conclusion

#gis #geology #geoscience