There is a positive correlation, but VEI is not a good index. It is an
estimate of the explosive energy, not the amount of sulfur injected into
the stratosphere, which is what determines the climate impact. Mount
St. Helens in 1980 was VEI 5, very explosive, but had little SO2 and no
climate impact. See the discussion on pp. 11551-11553 of my paper,
http://climate.envsci.rutgers.edu/pdf/RobockFree95JD00825.pdf
Alan
Alan Robock, Distinguished Professor
Editor, Reviews of Geophysics
Department of Environmental Sciences Phone: +1-848-932-5751
Rutgers University Fax: +1-732-932-8644
14 College Farm Road E-mail: [email protected]
New Brunswick, NJ 08901-8551 USA http://envsci.rutgers.edu/~robock
☮ http://twitter.com/AlanRobock 2017 Nobel Peace Prize to ICAN!
Watch my 18 min TEDx talk at http://www.youtube.com/watch?v=qsrEk1oZ-54
On 11/30/2017 10:21 PM, David Appell wrote:
SRM people:
Does a volcanic eruption's VEI correlate to the amount of cooling it
will/can cause?
David
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