Combining field observations and the volcanic plume model ATHAM to examine "dirty thunderstorm" dynamics of ancient and modern eruptions

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• Dr Alexa Van Eaton (U.S Geological Survey, Vancouver)
• Friday 22 November 2013, 15:00-16:00
• Seminar Room, Main Geography Department Building, Downing Place.

If you have a question about this talk, please contact Yves Moussallam.

Abstract: What do hailstone formation, deep moist convection, and lightning-producing charge separation have to do with explosive volcanism? Until relatively recently, these concepts were exclusive to the meteorology community. However, they are currently known to play important roles in the development of volcanic clouds. This talk explores how the hybrid concept of powerful volcanic eruptions as ash-laden “dirty” thunderstorms is helping to resolve some of the more peculiar behaviors inferred from super-eruption deposits in New Zealand and directly observed during recent activity in the Cascades and Alaska.

This talk is part of the Cambridge Volcanology series.

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• Seminar Room, Main Geography Department Building, Downing Place

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