john stevenson volcanoes and foss4g edinburgh
TRANSCRIPT
![Page 1: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/1.jpg)
Reconstructing volcanic eruptions usingopen source GIS tools
John A Stevenson
School of GeoSciences, University of Edinburgh
QGIS Users Meeting - 5 May 2015
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 1 / 15
![Page 2: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/2.jpg)
![Page 3: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/3.jpg)
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: [email protected] Twitter: @volcan01010 3 / 15
![Page 4: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/4.jpg)
The Hekla 3 and Hekla 4 eruptions
Comparision with Eyjafjallajökull 2010
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 4 / 15
![Page 5: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/5.jpg)
The Hekla 3 and Hekla 4 eruptions
Comparision with Eyjafjallajökull 2010
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 4 / 15
![Page 6: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/6.jpg)
The Hekla 3 and Hekla 4 eruptions
Comparision with Eyjafjallajökull 2010
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 4 / 15
![Page 7: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/7.jpg)
The Hekla 3 and Hekla 4 eruptions
Comparision with Eyjafjallajökull 2010
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 4 / 15
![Page 8: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/8.jpg)
The Hekla 3 and Hekla 4 eruptions
Deposits are found across Iceland
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 5 / 15
![Page 9: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/9.jpg)
The Hekla 3 and Hekla 4 eruptions
Hundreds of locations described and sampled
341 locations, 717 samples andobservations
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 6 / 15
![Page 10: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/10.jpg)
The Hekla 3 and Hekla 4 eruptions
Hundreds of locations described and sampled
341 locations, 717 samples andobservations
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 6 / 15
![Page 11: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/11.jpg)
Data input, cleaning and storage
gpsbabel and GpsPrune for georeferencing
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 7 / 15
![Page 12: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/12.jpg)
Data input, cleaning and storage
Plain text files and Git for raw data
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 8 / 15
![Page 13: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/13.jpg)
Data input, cleaning and storage
Python for calculations and data management
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 9 / 15
![Page 14: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/14.jpg)
Data input, cleaning and storage
Python for calculations and data management
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 9 / 15
![Page 15: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/15.jpg)
Data input, cleaning and storage
Python for calculations and data management
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 9 / 15
![Page 16: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/16.jpg)
Data input, cleaning and storage
Python for calculations and data management
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 9 / 15
![Page 17: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/17.jpg)
Data input, cleaning and storage
SQLite for storing processed data
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 10 / 15
![Page 18: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/18.jpg)
Analysis and visualisation
GRASS GIS for geospatial analysis
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 11 / 15
![Page 19: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/19.jpg)
Analysis and visualisation
GRASS GIS for geospatial analysis
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 11 / 15
![Page 20: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/20.jpg)
Analysis and visualisation
QGIS for data visualisation
OpenLayers pluginGeotag and import photos plugin (experimental)eVis event browser plugin
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 12 / 15
![Page 21: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/21.jpg)
Analysis and visualisation
QGIS for data visualisation
OpenLayers pluginGeotag and import photos plugin (experimental)eVis event browser plugin
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 12 / 15
![Page 22: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/22.jpg)
Analysis and visualisation
Volume of erupted material
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 13 / 15
![Page 23: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/23.jpg)
Analysis and visualisation
Volume of erupted material
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 13 / 15
![Page 24: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/24.jpg)
Analysis and visualisation
Database makes it easy to subdivide phases
Hekla 3 - Phase AHekla 3 - Phase BHekla 3 - Phase C
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 14 / 15
![Page 25: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/25.jpg)
Analysis and visualisation
Database makes it easy to subdivide phases
Hekla 3 - Phase AHekla 3 - Phase BHekla 3 - Phase C
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 14 / 15
![Page 26: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/26.jpg)
Analysis and visualisation
Database makes it easy to subdivide phases
Hekla 3 - Phase AHekla 3 - Phase BHekla 3 - Phase C
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 14 / 15
![Page 27: John Stevenson Volcanoes and FOSS4G Edinburgh](https://reader034.vdocuments.us/reader034/viewer/2022051315/55abdbaf1a28abe62f8b4605/html5/thumbnails/27.jpg)
Conclusions
Conclusions
By linking together simple open source tools, with Pythonas the glue, it becomes possible to undertake much morecomplicated analysis of spatial data.
Advert:I will be available from the end of September for:
analysistrainingadvice
Visit the blog for more tips including All the software...
Blog: all-geo.org/volcan01010 Email: [email protected] Twitter: @volcan01010 15 / 15