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http://dx.doi.org/10.7846/JKOSMEE.2014.17.1.52

Changed Aquatic Environment Due to An Estuary Dam: Similarities and Differences Between Upstream and Downstream  

Yang, Jae Sam (Department of Ocean Engineering, Kunsan National University)
Publication Information
Journal of the Korean Society for Marine Environment & Energy / v.17, no.1, 2014 , pp. 52-62 More about this Journal
Abstract
As a case study of the changed aquatic environment due to an estuary dam, the Geum River Estuary Dam System (GREDS) has been investigated for the last two decades. We sought the similarities and differences in the disrupted aquatic environment between the estuarine and lacustrine sides of the GREDS. Both sides of the GREDS shared similar aquatic disruptions, such as elongated hydraulic residence times, deteriorated water quality, highly accumulated organic-rich sediments, and considerable siltation of river-transported materials prior to reaching coastal waters. The disruptions of water quality such as high nutrients concentration and frequent bloom of blue-green algal are much more noticeable in the reservoir than in the estuary. However serious siltation problem has been reported from the estuary, which will possibly threaten the proper functioning of the natural Kunsan Estuarine System.
Keywords
Aquatic Environment; Estuary Dam; Water Quality; Siltation; Hydraulic Residence Time;
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