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SUMMARY:The West Antarctic Ice Sheet and sea level in the last interglacia
 l - Eric Wolff\, Department of Earth Sciences\, and the WACSWAIN team
DTSTART:20240207T173000Z
DTEND:20240207T190000Z
UID:TALK210097@talks.cam.ac.uk
CONTACT:Jinheum Park
DESCRIPTION:There is intense interest in the future stability of the West 
 Antarctic Ice Sheet (WAIS). Models range widely in their predictions and i
 n the physics they include. We can constrain possible outcomes by observin
 g what happened to ice sheets at previous times when the polar regions wer
 e warmer than present. The last interglacial (LIG) is a particularly impor
 tant time because both Greenland and Antarctic temperature were higher tha
 n present and so was sea level.\n\nWithin the WACSWAIN (WArm Climate Stabi
 lity of the West Antarctic ice sheet in the last INterglacial) project\, i
 n 2019 we retrieved a 651 metre ice core to the bed of Skytrain Ice Rise. 
 This ice rise is adjacent to the Ronne Ice Shelf and the WAIS\, and theref
 ore sensitive to their extent. The ice core has been processed and analyse
 d continuously for a range of analytes\, and we can show that ice from the
  LIG is present.\n\nI will start by describing the project\, fieldwork and
  analyses. Eventually\, I will show what happened to the ice around Skytra
 in Ice Rise in the LIG\, and discuss how this fits with other evidence abo
 ut LIG sea level.
LOCATION: Harker 2\, Department of Earth Sciences\, Downing Street
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