Taken from the PhD of Alex Nicholson, Newcastle Sep 2013- with a respray by the BBC.
http://www.bbc.co.uk/news/science-environment-25931847
Paul Quinn
For more information contact p.f.quinn@ncl.ac.uk or jennine.jonczyk@ncl.ac.uk
School of Civil Engineering and Geosciences,Newcastle University, Newcastle upon TyneNE1 7RU, United Kingdom.
Last updated December 2011