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The Effects of Thermal Pollution by the Marshall Steam Station on Dissolved Oxygen and Microbiodiversity in Lake Norman Surface Waters.

Coal-burning power plants are known producers of thermal pollution in nearby bodies of water that they use as cooling ponds. This research focused on the effects that thermal pollution caused by the Marshall Steam Station had on Lake Norman, North Carolina. It was found that dissolved oxygen in the steam station's discharge cove was decreased by approximately four mg/L as compared to a site ten miles upstream, and was decreased by about three mg/L as compared to a cove several hundred yards downstream. Temperatures of the surface water in the discharge cove was, on average, three degrees Celsius higher than those of the upstream and downstream testing sites. Phytoplankton traps were placed at these three sites to examine the microbiodiversity of the surface waters. It was found that this microbiodiversity was significantly decreased at the discharge site as compared to the upstream and downstream sites.
Catherine Pardue
South Carolina Governor's School for Science and Mathematics
COPYRIGHT 2001 South Carolina Academy of Science
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2001 Gale, Cengage Learning. All rights reserved.

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Author:Pardue, Catherine
Publication:Bulletin of the South Carolina Academy of Science
Article Type:Brief Article
Geographic Code:1U5NC
Date:Jan 1, 2001
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