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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

낙동강 강정고령보 상류 퇴적물 측정망 지점의 중금속 오염도 및 대표성 평가

  • Ahn, Jung Min (National Institute of Environmental Research, Nakdong River Environment Research Cente) ;
  • Im, Teo Hyo (National Institute of Environmental Research, Nakdong River Environment Research Cente) ;
  • Kim, Sungmin (National Institute of Environmental Research, Nakdong River Environment Research Cente) ;
  • Lee, Sangsu (National Institute of Environmental Research, Nakdong River Environment Research Cente) ;
  • Kim, Shin (National Institute of Environmental Research, Nakdong River Environment Research Cente) ;
  • Lee, Kwon Cheol (National Institute of Environmental Research, Nakdong River Environment Research Cente) ;
  • Kim, Yong Seok (National Institute of Environmental Research, Nakdong River Environment Research Cente) ;
  • Yang, Deuk Seok (National Institute of Environmental Research, Nakdong River Environment Research Cente)
  • 안정민 (국립환경과학원 낙동강물환경연구소) ;
  • 임태효 (국립환경과학원 낙동강물환경연구소) ;
  • 김성민 (국립환경과학원 낙동강물환경연구소) ;
  • 이상수 (국립환경과학원 낙동강물환경연구소) ;
  • 김신 (국립환경과학원 낙동강물환경연구소) ;
  • 이권철 (국립환경과학원 낙동강물환경연구소) ;
  • 김용석 (국립환경과학원 낙동강물환경연구소) ;
  • 양득석 (국립환경과학원 낙동강물환경연구소)
  • Received : 2017.12.19
  • Accepted : 2018.04.02
  • Published : 2018.07.31

Abstract

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.

Acknowledgement

Supported by : 국립환경과학원

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