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SUMMARY:Oceanic and atmospheric controls on decadal melt variability in th
 e Amundsen Sea - Joren Janzing\, Utrecht University/BAS
DTSTART:20220622T100000Z
DTEND:20220622T110000Z
UID:TALK175967@talks.cam.ac.uk
CONTACT:Dr. Shenjie Zhou
DESCRIPTION:Ice shelves around the Amundsen Sea have been losing mass rapi
 dly in recent years. Ocean warming is an important driver\, as ocean tempe
 rature and basal melt show strong decadal variability\, related to changes
  in the influx of warm circumpolar deep water on the shelf.  \nThe output 
 of an ensemble of 20 ice-ocean simulations for the period of 1920-2013 is 
 used to study temporal variability in melt and to delve into the associate
 d oceanic dynamics\, wind patterns and tropical variability. This shows a 
 strong relationship between flow through troughs in the seabed and melt\, 
 but the relationship with the wind is not as clear as previous studies ind
 icated. Special attention is given to the 1940s El Nino event\, which is h
 ypothesized to have led to the retreat of ice shelves in the region.
LOCATION:https://ukri.zoom.us/j/94378667032\;BAS seminar room 1
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