_{Presentation topics and presenters at the Nineth Annual Onondaga Lake Scientific Forum:}

Introductory Comments Robert Hennigan Professor Emeritus, College of Environmental Science and Forestry (SUNY) Invited Talk "Assessing Ecological Responses of North Carolina's Pamlico Sound System to a Period of Elevated Hurricane Activity: What's Manageable and What's Not? Dr Hans W. Paerl Kenan Professor, Marine and Environmental Sciences University of North Carolina at Chapel Hill Institute of Marine Sciences Eutrophication from excessive nitrogen loading has caused water quality and habitat decline in the Neuse River and Pamlico Sound (North Carolina) systems and prompted regulatiory mandated reductions in loading, guided by a total maximum daily load (TMDL) analysis. Features of a related/monitoring program being implemented, that resolve water quality conditions at appropriate time and space scales, will be described, including: (1) FerryMon (www.ferrymon.org), ferry-based continuous space-time intensive monitoring, and (2) ModMon  (www.unc.edu/ims/neuse/modmon), bi-weekly 11 station monitoring   Scientific and Engineering Research Presentations.  "Metro Gets the P Out: Early Responses of Onondaga Lake to Improved Wastewater Treatment" David A. Matthews and Steven W. Effler Upstate Freshwater Institute "Resolution of Spatial Patterns of Water Quality Parameters in Onondaga Lake with Rapid Profiling Instrumentation"  Anthony R. Prestigiacomo, and Steven W. Effler Upstate Freshwater Institute "Changes in Water Clarity in Onondaga Lake, Analysis of a 40-Year Record" Steven W. Effler, Rakesh Gelda, Amy Kolb, MaryGail Perkins, and Feng Peng Upstate Freshwater Institute, Syracuse, NY Nelson Hairston and Colleen Kearns Cornell University "Origin of Halite Brine in the Onondaga Trough Near Syracuse, New York State, USA: Modeling Geochemistry and Variable- Density Flow" Bill Kappel United States Geological Survey "A Retrospective Analysis of Solids Deposition In Onondaga Lake, 1980-2007" Craig Hurteau, David Matthews, and Steven Effler Upstate Freshwater Institute "Metro's  Impact on Nitrogen Levels in Onondaga Lake, a 40-Year Record" Steven W. Effler, Susan O'Donnell, and Anthony R. Prestigiacomo Upstate Freshwater Institute "Long-Term Trends in Accumulated Mercury in Biota from a Recovering Eutrophic Lake" Svetoslava Todorova, and Charles Driscoll Syracuse University Steven Effler, David Matthews, and Michael Spada Upstate Freshwater Institute Invited Guest Speaker Dr. Hans Paerl is the William R. Kenan Professor at the Institute of Marine Sciences of the University of North Carolina, Chapel Hill. He received his Ph.D. at the University of California at Davis. His research interests include controls on nutrients and dynamics of aquatic microbes at the base of estuarine and coastal food webs. Professor Paerl has been awarded the American Society of Limnology and Oceanography's G. Evelyn Hutchinson Award. This award honored Professor Paerl for contributing to the understanding of aquatic microbial processes, for documenting linkages among the atmospheric deposition of nitrogen, coastal eutrophication and harmful algal blooms, and for crossing traditional research boundaries within freshwater, estuaries and marine systems. He is one of the leading scientists documenting the effects of elevated nitrogen inputs to coastal waters. In particular much of his recent research has focused on nutrient inputs and dynamics in the Neuse River and Pamlico Sound of North Carolina.

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