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SUMMARY:Environmental and climatic effects of volcanic aerosol:  past\, pr
 esent and future - Dr Anya Schmidt\, Department of Geography and Departmen
 t of Chemistry\, Cambridge University
DTSTART:20171102T161500Z
DTEND:20171102T180000Z
UID:TALK94180@talks.cam.ac.uk
CONTACT:45781
DESCRIPTION:Volcanic eruptions have a significant potential to affect the 
 climate system\, the environment and society. I will summarise my work on 
 volcanic sulfur emissions from volcanic eruptions of different styles\, ma
 gnitudes\, and durations. I will first discuss air quality and climate imp
 acts of Icelandic volcanism including the most recent Icelandic eruption a
 t Holuhraun (Bárðarbunga volcano)\, which in September 2014 emitted up t
 o nine times as much sulphur dioxide per day as all European industry comb
 ined. Holuhraun was the first so-called flood lava eruption in Iceland sin
 ce the much bigger 1783-1784 CE Laki eruption. Laki had substantial effect
 s on northern hemisphere climate and the environment across Europe. Using 
 a global aerosol microphysics model to simulate the effects of a future La
 ki-type eruption\, I show that such an eruption could have the potential t
 o degrade air quality and affect human health in Europe. Lastly\, I will p
 resent results from CESM(WACCM) model simulations of volcanic eruptions an
 d their radiative effects since 1990.
LOCATION:Small Lecture Theatre\, Department of Geography\, Downing Site
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