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Committee. Her research interests include polar meteorology and climatology, atmospheric physics and remote sensing, and air/sea interactions. In addition to her expertise in clouds and radiation, she also brings considerable experience on sea ice issues. She received her Ph.D. in Geophysical Sciences from the University of Chicago in 1982.

Mark Fahnestock is Assistant Research Scientist at the University of Maryland's Earth System Science Interdisciplinary Center. His research efforts have several themes focused on improving understanding of the current and past behavior of the large ice sheets. Investigations include the use of Synthetic Aperture Radar to measure ice motion (through interferometry) and surface properties of the large ice sheets; the use of passive microwave data to produce a picture of the last 20 years of ice sheet surface conditions; and field measurements to control ice motion studies and measure surface conditions. The goals of this work are to understand the current contributions of the ice sheets to the climate system (such as sea level rise), and to reach a point at which understanding of ice flow is evolved enough to make predictions about the likely response of the ice sheets to climate change. He received his Ph.D. from the California Institute of Technology's Department of Geology and Planetary Science.

Mahlon C. Kennicutt II is Director at the Geochemical and Environmental Research Group in the College of Geosciences at Texas A&M University and member of the graduate college faculty at the College of Geosciences & Maritime Studies. His research interests are in marine chemistry, organic geochemistry, the chemistry of contaminants in the environment, the design and implementation of environmental monitoring programs, the fate and affect of xenobiotic chemicals in the environment, and the development of integrated indicators of ecosystem health. Dr. Kennicutt has significant Antarctic experience, and has participated in 35 ocean research cruises over the past 20 years. He assited in organizing and writing the workshop report, “Monitoring of Environmental Impacts from Science and Operations in Antarctica,” July 1996. Dr. Kennicutt is one of the two U.S. delegates to the Scientific Committee on Antarctic Research (SCAR). He serves on the SCAR Group of Specialists on Environmental Affairs and Conservation and SCAR Group of Specialists on Subglacial Lakes, where he has been key in developing the international science plan for exploration of subglacial lakes.

A. David McGuire is Associate Professor (Biology and Wildlife) and Assistant Unit Leader (Landscape Ecology) at the Alaska Cooperative Fish and Wildlife Research Unit, Institute of Arctic Biology, University of Alaska, Fairbanks. He received his Ph.D. in Biology from the University



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