||Effect of Various Intake Designs on Zooplankton Entrainment.
Dycus, Donald L. ;
||Tennessee Valley Authority, Muscle Shoals, AL. Office of Natural Resources.;Environmental Protection Agency, Washington, DC. Office of Energy, Minerals and Industry.
Intake systems ;
Diurnal variations ;
Electric power plants ;
Nuclear power plants ;
Cooling water ;
Statistical analysis ;
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Field studies were conducted at the intakes of three Tennessee Valley Authority electric power plants to determine whether intake design is a feasible means of mitigating effects on zooplankton by minimizing the quantity entrained. Three intake designs were evaluated: one with a shallow skimmer wall, one with a deep skimmer wall, and one with no skimmer wall. Several studies indicated possible differences between day and night in the quantity of zooplankton entrained. None of these studies indicated that the intake designs studied minimized the quantity of zooplankton entrained because the quantities in the intake canals were similar to the quantities in the source water body.