Understanding how the earth's climatic system, particularly the ocean, adjusts itself to perturbation on various timescales drives most aspects of my research. My recent projects include application of alkenone paleotemperature determinations to reconstructing El Nino conditions in the eastern Pacific, and to understanding drivers of Plio-Pleistocene climate change. I also work on developing new tools to scan sediment cores non-destructively, and applying orbital stratigraphy to solve problems in earth history over Cenozoic and Mesozoic time.
I received my B.S. in Geological Sciences from Yale College in 1980 (Magna Cum Laude), and my Ph.D. from Princeton University in Geological Sciences, in 1987. I have been recognized for my research in the area of Earth Systems History and paleoceanography which has earned me a leadership role in the paleoclimate community. My research has led to a better understanding of the history of global change. Within the University community, I have worked hard to develop strong links between the Department of Geological Sciences and Environmental Studies, the Environmental Change Initiative and Ecology and Evolutionary Biology groups. I teach broad-reaching courses such as "Ecology and Climate", "Ocean Biogeochemistry", and "The Enigma of Warm Climates in the Geological Record."
On The Web:
Peru Margin Paleoceanography: Does the El Nino Model Apply?
Brown University Geologists Create 5-Million-Year Climate Record
Alkenone Paleotemperature Measurements
Orbital Forcing - Cenozoic and Mesozoic
Stalking el Niño
Brown's Earth Systems History Group
More about my research
Data from Cruise to the Galapagos/Peru Margin
Environmental History of the Coastal Zone
GK-12 Science Outreach
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