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SUMMARY:Dynamics of fire and ice: wildfire weather and physics of the gran
 ular cryosphere - Kasturi Shah\, DAMTP
DTSTART:20260313T160000Z
DTEND:20260313T170000Z
UID:TALK245641@talks.cam.ac.uk
CONTACT:Duncan Hewitt
DESCRIPTION:The most extreme wildfires are increasing in intensity and fre
 quency and create their own weather. In the first part of this talk\, dyna
 mical theory for the self-organisation of wildfire smoke from the surface 
 to the stratosphere will be presented. Topics include aerosol-filled vorti
 ces\, self-reinforcing instabilities associated with wildfire smoke\, and 
 physics of wildfire-driven plumes. The second part of the talk will focus 
 on granular dynamics in the cryosphere\, work that is broadly motivated by
  improving sea level rise projections. Mélanges of sea ice and icebergs c
 log fjords where glaciers terminate and have been hypothesised to buttress
  glacier fronts and inhibit calving. Using frozen laboratory analogues and
  field data as rheometers\, progress towards characterising mélange buttr
 essing and flow will be presented. The talk will conclude with an outlook 
 on the dynamics of wildfire and ice.
LOCATION:MR2
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