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My primary duty is managing the Light Stable Isotope Mass Spectrometry laboratory in the Department of Geological Sciences at the University of Florida. I maintain the instruments and analyze samples for lab users. I also instruct lab users in all aspects of sample collecting, preparation, instrument usage, and data analysis. My research focuses on past climate changes, primarily in the American tropics, over the past 10,000 years. My main archive of paleoclimatic information is shells from lake sediments. One of my specialties is the collection of undisturbed sediment cores from lakes and other bodies of water. Currently I have active research projects using materials from a diverse geographic range, including Grenada, Crete, Guatemala, Mexico, Michigan, and Florida. |
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