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SUMMARY:Melting of the Antarctic Ice Sheet: What is the role of anthropoge
 nic forcing? - British Antarctic Survey
DTSTART:20210630T130000Z
DTEND:20210630T140000Z
UID:TALK161068@talks.cam.ac.uk
CONTACT:Dr Irena Vankova
DESCRIPTION:Ice loss from the Antarctic Ice Sheet is a substantial source 
 of sea-level rise\, with a large and uncertain future contribution. This m
 elting ice is often used as an example of global warming\, with an implici
 t linkage to human activities. However\, the link to anthropogenic forcing
  is not clear because the ice sheet may be in an unstable configuration\, 
 and the region is subject to large internal climate variability. In this t
 alk I will summarise the available observations of ice\, ocean\, and atmos
 phere in the region\, and then present evidence from climate model simulat
 ions. The combined evidence suggests that the ongoing ice loss is partly c
 aused by ice sheet instability and partly by climate forcing. Of the forci
 ng\, part is anthropogenic. As a result of this combination of factors\, i
 t is not clear how the Antarctic Ice Sheet will respond to future emission
 s scenarios.
LOCATION:British Antarctic Survey\, Zoom
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