Monitoring and Analysis of Nutrients in Sediments in the Riverbed

하천 퇴적물의 영양염류 모니터링

  • Kim, Geonha (Department of Civil and Environmental Engineering, Hannam University) ;
  • Jung, Woohyeok (Department of Civil and Environmental Engineering, Hannam University) ;
  • Lee, Junbae (National Institute of Environmental Research, Department of Water Quality)
  • 김건하 (한남대학교 공과대학 토목환경공학과) ;
  • 정우혁 (한남대학교 공과대학 토목환경공학과) ;
  • 이준배 (국립환경과학원 수질환경과)
  • Received : 2006.02.13
  • Accepted : 2006.08.14
  • Published : 2006.09.30

Abstract

Characterization of sediment in the riverbed is of importance for effective water quality management, yet have not been monitored sufficiently. This paper reports monitoring results of nutrient concentrations of sediments. Surface waters and sediments were sampled four times during rainy season at five monitoring points. Organics of overlying water were increased after high flow condition followed by decreasing tendencies. Soluble phosphorus fraction among total phosphorus was increased after high flow condition while total phosphorus was in decreasing tendencies. Monitoring result suggested that more extended monitoring scheme for flow rate, scouring velocity, and suspended material is required for analyzing relationship between water quality and sediment.

Keywords

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