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SUMMARY:Combining field observations and the volcanic plume model ATHAM to
  examine &quot\;dirty thunderstorm&quot\; dynamics of ancient and modern e
 ruptions - Dr Alexa Von Eaton\, U.S Geological Survey\, Vancouver
DTSTART:20131122T150000Z
DTEND:20131122T160000Z
UID:TALK48951@talks.cam.ac.uk
CONTACT:Michael Herzog
DESCRIPTION:What do hailstone formation\, deep moist convection\, and\nlig
 htning-producing charge separation have to do with explosive volcanism? Un
 til 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 conc
 ept of powerful volcanic eruptions as ash-laden “dirty” thunderstorms 
 is helping to resolve some of the more peculiar behaviors inferred from su
 per-eruption deposits in New Zealand and directly observed during recent a
 ctivity in the Cascades and Alaska.
LOCATION:Seminar Room\, Department of Geography
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