Methodology for Predicting Cooling Water Effects on Fish
Publication: Journal of Environmental Engineering
Volume 124, Issue 7
Abstract
The mathematical model presented here predicts the long-term effects of once-through cooling water systems on local fish populations. The fish life cycle model simulates different life stages of fish by using appropriate expressions representing growth and mortality rates. The heart of the developed modeling approach is the prediction of plant-caused reduction in total fish population by estimating recruitment to adult population with and without entrainment of ichthyoplankton and impingement of small fish. The model was applied to a local fish species, gilthead (Sparus aurata), for the case of a proposed power plant in the Aegean region of Turkey. The simulations indicate that entrainment and impingement may lead to a population reduction of about 2% to 8% in the long run. In many cases, an impact of this size can be considered rather unimportant. In the case of sensitive and ecologically valued species facing extinction, however, necessary precautions should be taken to minimize or totally avoid such an impact.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 124 • Issue 7 • July 1998
Pages: 612 - 618
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: Jul 1, 1998
Published in print: Jul 1998
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