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SUMMARY:Can we grow more sea ice in the Arctic? - Shaun Fitzgerald (Centre
  for Climate Repair at Cambridge)
DTSTART:20240426T110000Z
DTEND:20240426T120000Z
UID:TALK213499@talks.cam.ac.uk
CONTACT:Dr. Antoinette Nestor
DESCRIPTION: \nThis seminar will outline the fundamental ideas for potenti
 ally helping refreeze the Arctic involving growing more sea ice in the Arc
 tic winter. The action of pumping of sea water onto the top of pre-existin
 g but relatively thin ice could potentially enable more ice to grow and th
 ereby last longer over the Arctic summer.\nThe seminar will include explan
 ations of the potential for growing more ice i) naturally by consolidating
  any snow which falls on to the surface of sea ice and ii) through promoti
 ng freezing of sea water on top of ice. We will explain the physical proce
 sses involved and present some initial modelling analysis as well as resul
 ts from laboratory experiments in Cambridge.\n \nWe will also describe the
  field expedition to Cambridge Bay in January 2024\, led by Real Ice and s
 upported by Arctic Reflections\, the Centre for Climate Repair\, and the C
 anadian High Arctic Research Station. The team undertook a series of pumpi
 ng experiments\, with initial observations revealing how the sea water flo
 ws through/over the snow layer before freezing. We will also describe the 
 engagement with the local community\, and how they are supporting the proj
 ect going forwards with ongoing data collection.\n \nSpeakers: Shaun Fitzg
 erald\, Centre for Climate Repair (Director)\, Andrea Ceccolini\, Real Ice
  (co-CEO)\, Jacob Pantling\, Centre for Climate Repair (PhD student)
LOCATION:MR5\, DAMTP
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