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SUMMARY:Understanding Earth System responses during the Last Glacial Maxim
 um - Dr Peter Hopcroft\, University of Bristol
DTSTART:20160602T130000Z
DTEND:20160602T140000Z
UID:TALK66437@talks.cam.ac.uk
CONTACT:Max Holloway
DESCRIPTION:The last glacial maximum (21\,000 yr before present) is the mo
 st recent time period with a global mean temperature change of similar mag
 nitude\, but opposite sign to that predicted for the year 2100. The global
  cooling of around 4C is mostly explained by a combination of additional i
 ce-sheets covering parts of North America and Europe and lower concentrati
 ons of carbon dioxide. Many other aspects of the Earth System were also ra
 dically altered compared to the pre-industrial\, including vegetation\, ae
 rosols and the  methane cycle. In this talk I will show Earth System model
  simulations of the LGM with the CMIP5 model HadGEM2-ES in which we aimed 
 at evaluating the changes in these systems during this time period. I will
  also briefly cover using these Earth System components as constraints on 
 mechanisms of ice-age abrupt climate events such as Dansgaard-Oeschger eve
 nts.
LOCATION:British Antarctic Survey\, Room 330B
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