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| - | + | Ellen's research focus is paleoclimatic reconstruction from the chemical and physical properties preserved in ice cores. She has conducted ice core drilling programs in Antarctica and Greenland and along with her colleagues reconstructs paleoenvironmental conditions from the chemical and physical properties preserved in ice cores collected from Antarctica, Greenland, China and Peru. These high resolution proxy records of dust content, atmospheric temperature, chemical composition, and net accumulation provide unique histories, with emphasis on remote and underdeveloped regions of the Earth. Her particular interests include the role of atmospheric dust and volcanic aerosols in the climate system, the reconstruction of abrupt changes in the environmental system, incorporation of ice core records into multi-proxy climate histories, and the impact of such environmental changes upon human activities. | |
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