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Professor Lehman's research publications in international books and journals include nutrient dynamics, microanalytical methods, plankton ecology, primary and secondary productivity, food web structure, and mathematical modeling. He has logged over 300 at-sea ship days as Chief Scientist on research vessels of the U.S. academic fleet (University National Oceanic Laboratory System) operating in the St. Lawrence Great Lakes Erie, Huron, Michigan, and Superior plus additional shipboard research cruises on Lakes Victoria, Edward, and Albert in East Africa. His research has coupled numerical climate forecasts from second generation General Circulation Models (GCM climate projections) with lake physical mixing models and with models for biological productivity of Great Lakes in North America and East Africa. He is currently conducting field research that includes whole lake experiments to control nuisance algal blooms, and building numerical models for river and lake analyses including phosphorus dynamics, nutrient loading from point and non-point sources, internal P cycling, nutrient budgets, and plankton community composition.
Lehman lab group 2008 (left to right): K.McDonald (cyanobacteria), S. Goldenberg (diatoms), G. Liu (zooplankton), W. Chen (zooplankton), Lehman, S. Goldberg (water chemistry), D. Bell (phosphorus loading), J. Gunnell (water chemistry).
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