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Lake Tahoe: The State of the Lake

Geoffrey Schladow, Ph.D., UC Davis Tahoe Environmental Research Center
Feb 14, 2013 from 12:00 PM to 01:30 PM (America/Los_Angeles / UTC-800)
1130 K Street, Room LL3
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The Tahoe: State of the Lake Report, is an annual summary of how natural variability, long term change and human activity have affected the lake’s clarity, physics, chemistry and biology. The data shown reveal a unique record of trends and patterns – the result of natural forces and human actions that operate at time scales ranging from days to decades. These patterns tell us that Lake Tahoe is a complex ecosystem, behaving in ways we don’t always expect. Was Lake Tahoe warmer or cooler than the historical record last year? Are the inputs of algal nutrients to the lake declining? How much are invasive species affecting Lake Tahoe? And, of course, how do all these changes affect the lake’s famous clarity?

Another question worthy of consideration is, after 54 years of research at Lake Tahoe, do we finally have enough data to make all the decisions we would ever need to make there? Equally important, in studying Lake Tahoe are we learning anything about what the future may have in store for the rest of the Sierra Nevada and California?

Geoffrey_SchladowGeoffrey Schladow holds B. Eng. and Ph.D. degrees in civil engineering from the University of Western Australia, and an M. Eng. in hydraulic engineering from the University of California at Berkeley. For over thirty years his research has focused on the interactions between the complex fluid motions found in nature and their impacts on water quality, ecosystem health and renewable energy production. His research papers have been published in journals including the Journal of Fluid Mechanics, Limnology and Oceanography, Water Resources Research, the Journal of Geophysical Research, Ecological Modeling, Climatic Change and Proceedings of the Royal Society. He has published over 170 research papers and technical reports, and has guided over 60 graduate students. Dr. Schladow is an expert on both field data collection and numerical modeling, and frequently brings together teams of researchers to work on large, interdisciplinary projects. He holds a position of Professor of water resources and environmental engineering at UC Davis, and is the founding director of the UC Davis Tahoe Environmental Research Center. He divides his work time between Davis and Lake Tahoe, as well as study sites in remote parts of Patagonia and Spain.


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