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John Stevenson Volcanoes and FOSS4G Edinburgh

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Dr John A Stevenson gives a presentation on how he uses open source tools to manage his analysis of volcanic eruptions at the 3rd QGIS user group meeting in Edinburgh on 5th May 2015.

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John Stevenson Volcanoes and FOSS4G Edinburgh

  1. 1. Reconstructing volcanic eruptions using open source GIS tools John A Stevenson School of GeoSciences, University of Edinburgh QGIS Users Meeting - 5 May 2015 Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 1 / 15
  2. 2. Outline 1 The Hekla 3 and Hekla 4 eruptions 2 Data input, cleaning and storage 3 Analysis and visualisation 4 Conclusions Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 3 / 15
  3. 3. The Hekla 3 and Hekla 4 eruptions Comparision with Eyjafjallajökull 2010 Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 4 / 15
  4. 4. The Hekla 3 and Hekla 4 eruptions Comparision with Eyjafjallajökull 2010 Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 4 / 15
  5. 5. The Hekla 3 and Hekla 4 eruptions Comparision with Eyjafjallajökull 2010 Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 4 / 15
  6. 6. The Hekla 3 and Hekla 4 eruptions Comparision with Eyjafjallajökull 2010 Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 4 / 15
  7. 7. The Hekla 3 and Hekla 4 eruptions Deposits are found across Iceland Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 5 / 15
  8. 8. The Hekla 3 and Hekla 4 eruptions Hundreds of locations described and sampled 341 locations, 717 samples and observations Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 6 / 15
  9. 9. The Hekla 3 and Hekla 4 eruptions Hundreds of locations described and sampled 341 locations, 717 samples and observations Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 6 / 15
  10. 10. Data input, cleaning and storage gpsbabel and GpsPrune for georeferencing Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 7 / 15
  11. 11. Data input, cleaning and storage Plain text files and Git for raw data Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 8 / 15
  12. 12. Data input, cleaning and storage Python for calculations and data management Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 9 / 15
  13. 13. Data input, cleaning and storage Python for calculations and data management Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 9 / 15
  14. 14. Data input, cleaning and storage Python for calculations and data management Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 9 / 15
  15. 15. Data input, cleaning and storage Python for calculations and data management Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 9 / 15
  16. 16. Data input, cleaning and storage SQLite for storing processed data Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 10 / 15
  17. 17. Analysis and visualisation GRASS GIS for geospatial analysis Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 11 / 15
  18. 18. Analysis and visualisation GRASS GIS for geospatial analysis Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 11 / 15
  19. 19. Analysis and visualisation QGIS for data visualisation OpenLayers plugin Geotag and import photos plugin (experimental) eVis event browser plugin Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 12 / 15
  20. 20. Analysis and visualisation QGIS for data visualisation OpenLayers plugin Geotag and import photos plugin (experimental) eVis event browser plugin Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 12 / 15
  21. 21. Analysis and visualisation Volume of erupted material Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 13 / 15
  22. 22. Analysis and visualisation Volume of erupted material Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 13 / 15
  23. 23. Analysis and visualisation Database makes it easy to subdivide phases Hekla 3 - Phase A Hekla 3 - Phase B Hekla 3 - Phase C Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 14 / 15
  24. 24. Analysis and visualisation Database makes it easy to subdivide phases Hekla 3 - Phase A Hekla 3 - Phase B Hekla 3 - Phase C Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 14 / 15
  25. 25. Analysis and visualisation Database makes it easy to subdivide phases Hekla 3 - Phase A Hekla 3 - Phase B Hekla 3 - Phase C Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 14 / 15
  26. 26. Conclusions Conclusions By linking together simple open source tools, with Python as the glue, it becomes possible to undertake much more complicated analysis of spatial data. Advert: I will be available from the end of September for: analysis training advice Visit the blog for more tips including All the software... Blog: all-geo.org/volcan01010 Email: john.stevenson@ed.ac.uk Twitter: @volcan01010 15 / 15

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