September 1, 2010-August 31, 2014
Level of Access
4900 / 0944150
This project was designed to develop knowledge of the extent of the Ross Sea ice sheet during the last two glaciations and to develop a chronology for the last glacial maximum and penultimate glaciation. To this end, we had the following goals:
1) Map the extent of the Ross Sea ice sheet along the western coast of McMurdo Sound from Taylor Valley to the southern Royal Society Range.
2) Develop a radiocarbon chronology for the last glacial maximum from dates of algal mats within moraines.
3) Produce a uranium-thorium chronology to gain information on the timing of the penultimate glaciation.
4) Synthesize the data to develop a better understanding not only of the behavior of the Antarctic ice sheet during ice-age cycles, but also of the role of the ice sheet in transmitting or driving climate changes.
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Hall, Brenda and Denton, George H., "Sensitivity of the Antarctic Ice Sheet to Climate Change over the Last Two Glacial/Interglacial Cycles" (2014). University of Maine Office of Research Administration: Grant Reports. 43.