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KMID : 1024520180270070477
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Journal of the Environmental Sciences
2018 Volume.27 No. 7 p.477 ~ p.488
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Evaluating Sediment Heavy Metal Pollution Level and Monitoring Network Representativeness at the Upstream Points of the Gangjeong-Goryeong Weir in the Nakdong River
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Ahn Jung-Min
Im Tae-Hyo
Kim Sung-Min
Lee Sang-Su
Kim Shin
Lee Kwon-chul
Kim Yong-Seok
Yang Duk-Seok
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Abstract
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In this study, heavy metal levels at the sediment monitoring network site upstream of the Gangjeong-Goryeong weir in the Nakdong River were surveyed from 2012 to 2016. We assessed the sediment pollution level using various pollution indexes based on ICP-MS analysis. The stream sediment pollution assessment standard, established through Regulation No. 687 of the National Institute of Environmental Research (2015), pollution load index (PLI), potential ecological risk index (RI), and mean PEL Quotient (mPELQ) were used to evaluate the sediment pollution level. We verified the representativeness of the monitoring point through the distribution of sedimentation and scour behavior by river bed surveying using anacousticDopplercurrentprofiler.
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KEYWORD
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Sediment, Pollution level, Pollution load index, Potential ecological risk index, Mean PEL Quotient
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