Nutrient diversion: resulting lake trophic state and phosphorus dynamics
Eugene B. Welch, United States. Environmental Protection Agency. Office of Research and Development, Washington State University
Environmental Protection Agency, Office of Research and Development, Corvallis Environmental Research Laboratory, 1977 - Nature - 91 pages
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algal anaerobic basin biomass bottom Changes in Total chlorophyll chlorophyll a_ Corvallis DAYS VERSUS TP decrease determined detritus Diaptomus diatom diatom bloom Emery epilimnion epilimnion of Lake equation estimate euphotic zone eutrophic Figure g P/m yr growing season growth hypolimnetic hypolimnion increase inflow input Issaquah Creek Lake Sammamish Lake Washington lake's levels located maximum mean concentration mesotrophic METRO mg/m day mixing depth monitored nitrogen Number nutrient diversion Observed Temperature Profiles opaque columns ortho Parsons l968 phosphorus concentration PHOSPHORUS CYCLING phosphorus loading phosphorus model photic zone phytoplankton post-diversion pre-diversion Profiles for Lake release rate runoff Sammamish River samples Secchi disk depth sedi sedimentation rate Shagawa showed shown Simulated and Observed spring Station 6l2 Strickland and Parsons surface Table tion total and soluble Total Iron total phosphorus transparent columns trophic turnover period values variables Vollenweider wastewater diversion water column watershed winter yg P/l yg/l zooplankton