January 26 Linda Blum, Department of Environmental Sciences, UVA "Comparison of Microbially-Based Food Chains in Autotrophic and Heterotrophic Estuaries"

February 2 David P. Genereux, Florida International University "Determination of Hydraulic Conductivity and Dispersivity in the Biscayne Aquifer, Everglades National Park"

February 9 Bob Davis, Department of Environmental Sciences, UVA "Atmospheric Circulation Changes over the Past Century: Is There a Greenhouse Warming Signal?"

February 16 Michael P. Ryan, U. S. Geological Survey "Hawaiian, Icelandic, and Mid-Ocean Ridge Volcanoes: Internal Structure, Magma Dynamics, and Evolution"

February 23 Glenn MacDonald, McMaster University "Long- and Short-Term Dynamics of Boreal Forest Vegetation, and Their Relationship to Climate Change"

March 2 Keith N. Eshleman, Department of Environmental Sciences, UVA "'Acid Episodes' in Eastern U.S. Surface Waters"

March 9 Chris Neuzil, U. S. Geological Survey "Groundwater Hydrodynamics of an
Ultra-Low-Permeability Shale, South Dakota"

March 23 Pat Halpin, Department of Environmental Sciences, UVA "Topographic Influences on Forest Dynamics in the Sierra Nevada: A Cross-Scale Analysis"

March 30 John Imbrie, Brown University "Theory of the Ice Ages"

April 6 Karen Prestegaard, University of Maryland "Floods on the Racoon River in Iowa"

April 13 Dave Osgood, Department of Environmental Sciences, UVA "Nutrient Fluxes in Developing Marsh Ecosystems"

April 20 Flip Froelich, Georgia Institute of Technology "Iron Fertilization of the Ocean: Glacial Evidence"

April 27 David Larom, Department of Environmental Sciences, UVA "Meteorological Controls on Elephant Infrasonic Communication"

Environmental Sciences Department 291 McCormick Rd Charlottesville, Virginia (434) 924-7761