Comparative Chemistry of Thermally Stressed North Lake and Its Water Source, Elm Fork Trinity River

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To better understand abiotic dynamics in Southern reservoirs receiving heated effluents, water was analyzed before and after impoundment in 330 ha North Lake. Macronutrients, metals, and chlorinated hydrocarbons were measured. Concentrations of nutrients and metals in sediments were quantified in this 2 yr study. River water prior to impoundment contained 16 times more total phosphorus, and supported 23 times more Selenastrum capricornutum cells in an algal assay than reservoir water. The reservoir has essentially no drainage and since evaporation is high, the concentrations of many dissolved solids have increased since the reservoir was filled in 1958. North Lake is now ... continued below

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viii, 112 leaves: ill.. map

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Sams, Barry L. December 1976.

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  • Sams, Barry L.

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To better understand abiotic dynamics in Southern reservoirs receiving heated effluents, water was analyzed before and after impoundment in 330 ha North Lake. Macronutrients, metals, and chlorinated hydrocarbons were measured. Concentrations of nutrients and metals in sediments were quantified in this 2 yr study. River water prior to impoundment contained 16 times more total phosphorus, and supported 23 times more Selenastrum capricornutum cells in an algal assay than reservoir water. The reservoir has essentially no drainage and since evaporation is high, the concentrations of many dissolved solids have increased since the reservoir was filled in 1958. North Lake is now phosphorus limited. Apparently altered chemical equilibria have caused precipitation or adsorption of phosphorus with calcium and iron.

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viii, 112 leaves: ill.. map

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  • December 1976

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Sams, Barry L. Comparative Chemistry of Thermally Stressed North Lake and Its Water Source, Elm Fork Trinity River, thesis, December 1976; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc663687/: accessed September 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .