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SUMMARY:Modelling explosive volcanic eruptions from proximal hazards to gl
 obal climate disruption - Prof. Thomas Aubry\, University of Oxford 
DTSTART:20260209T130000Z
DTEND:20260209T140000Z
UID:TALK244288@talks.cam.ac.uk
CONTACT:Natalie Deng
DESCRIPTION:Explosive volcanic eruptions have critical impacts on our envi
 ronment and societies including local-regional scale devastation from pyro
 clastic flows and tephra fallout\, regional-continental scale air pollutio
 n and airspace shutdown\, and global-scale cooling of Earth’s surface. I
  will give an overview of my group research and how it contributes to unde
 rstanding and managing these impacts. First\, I will discuss how volcanic 
 plume modelling\, informed by laboratory experiments and observational dat
 abases\, helps us understand the relationship between eruption intensity\,
  atmospheric conditions and the height of injection of volcanic ash and ga
 s into the atmosphere. Second\, I will discuss how numerical models rangin
 g from reduced-complexity models to full-blown Earth System Models with in
 teractive stratospheric aerosols can help us constrain the radiative forci
 ng and climatic impacts of volcanic eruptions. Using ice-core\, geological
  and satellite records\, I will apply these models to discuss volcanic imp
 acts on climate from 8\,000 BC to 2100. Last\, I will bring together volca
 nic plume\, aerosol and climate modelling to interrogate how ongoing clima
 te change driven by anthropogenic activities will affect the life cycle of
  volcanic stratospheric aerosols\, and whether we should expect more or le
 ss volcanic cooling as Earth warms.\n
LOCATION:Harker 1\, Dept of Earth Sciences 
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