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SUMMARY:Sensitivity of Antarctic shelf waters to wind amplitude and meltwa
 ter - Adele Morrison\, Australian National University 
DTSTART:20220511T130000Z
DTEND:20220511T140000Z
UID:TALK170642@talks.cam.ac.uk
CONTACT:Dr. Shenjie Zhou
DESCRIPTION:The Antarctic ice sheet poses the largest potential mass contr
 ibution to global sea level rise\, with an estimated 58 m of sea level equ
 ivalent. However\, there remains huge uncertainty in projections of Antarc
 tic ice loss over the coming centuries. In recent decades\, Antarctic ice 
 melt has been accelerating\, driven by warmer ocean waters circulating on 
 the continental shelf and underneath ice shelves. A key part of improving 
 projections of ice loss is therefore to understand how ocean circulation a
 nd temperature around the Antarctic margins will change in the future. In 
 this talk\, I’ll present results from a series of meltwater and wind for
 cing perturbation simulations using an eddy-rich global ocean-sea ice mode
 l. The simulations show a complex spatial pattern of positive and negative
  thermal feedbacks\, which can be explained by the changing dynamics of pr
 ocesses such as localised dense water formation\, northward sea ice export
  and along-shelf connectivity.
LOCATION:https://ukri.zoom.us/j/91303317777\; BAS seminar room 1
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