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Phosphorus Release From Bottom Sediments At Lake Wister, Oklahoma, Summer 2010, B.E. Haggard, J.T. Scott
Phosphorus Release From Bottom Sediments At Lake Wister, Oklahoma, Summer 2010, B.E. Haggard, J.T. Scott
Technical Reports
A previous reservoir model of Lake Wister, Oklahoma suggested that internal P sources were dominant, and that a watershed management plan need not be developed to address external sources. The objectives of this study were to collect intact sediment cores from three sites at Lake Wister and measure sediment O₂ demand (SOD) and soluble reactive P (SRP) release to the overlying water during lab incubations under quiescent conditions. The measured SOD rates were between 9.9 and 22.6 mg m⁻² hr⁻¹ on average across the three sites, where the shallow headwaters site had the least SOD. The SRP release rates were …