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The PowerPoint presentations from the fourth of the Climate Change Q and A seminars are now available as PDF files. The presentations by Professor Barry Brook and Associate Professor Corey Bradshaw provide the scientific answers to questions about whether the impacts of climate change have been overstated. Please see at bravenewclimate.com or adelaide.edu.au/climatechange for details.
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Filed under: Clim Ch Q&A
I’m very impressed with slide 31, which is a new one on me. Can you provide the source? I’m a big fan of isostasy, but didn’t think it would be expressed in so many brittle events. This, in conjunction with GRACE, is a really important data series to watch.
Mark, it’s from Lamont-Doherty Earth Observatory:
http://www.ldeo.columbia.edu/news/2006/03_23_06.htm
Tamino also did a piece on it here:
http://tamino.wordpress.com/2007/03/30/greenland-tremors/
Thanks, Barry. Clearly I jumped the gun in ascribing isostatic causes (more unloading required), rather the seismic events result from episodic glacial jerks near their discharge points.
I was inspired to do a very crude interrogation of post-2005 seismic activity; it appears that the frequency of glacially-sourced quakes is indeed continuing to increase.