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Pamela Martin, Professor
Dept. of Geophysical
University of Chicago
Date: Wednesday, March 10, 2010
3:00 pm: Conversation and Cookies in Room 108 Atmospheric Sciences Building
3:30 pm: Seminar in Room 253 Mechanical Engineering Building
Over the past decade, a wealth of data have been added to added to our library of climate reconstructions. Key among these are the records of atmospheric carbon dioxide and high latitude climate change from the Antarctic EPICA ice core that extends our knowledge of these components of the climate system back to 800,000 years ago. Comparison of records of ocean temperature change to the record of atmospheric carbon dioxide over this long time period allow us to estimate climate sensitivity over a range of ice sheet sizes. Here, I will talk about temperature and atmospheric carbon dioxide changes on several timescales during the Pleistocene and discuss the potential influence of ice sheets on the amplitude and frequency of climate variability.
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