Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Monitoring of Hydrological and Water Quality in Dongjin-River Hengjeong Bridge Watershed for Agricultural Watershed Non-Point Pollutant Sources Management

농업유역 비점오염 관리를 위한 동진강 행정교 유역의 수문·수질 모니터링

  • 손재권 (전북대학교 농업생명과학대학 지역건설공학과) ;
  • 손태호 (전북대학교 대학원) ;
  • 최진규 (전북대학교 농업생명과학대학 지역건설공학과) ;
  • 조재영 (전북대학교 농업생명과학대학 생물환경화학과) ;
  • 고남영 (전북대학교 농업생명과학대학 농업과학기술연구소) ;
  • 오진휴 (한국농어촌공사 새만금경제자유구역사업단)
  • Received : 2012.04.12
  • Accepted : 2012.06.07
  • Published : 2012.07.31
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Abstract

This study was performed to investigate the stream water quality characteristics in Hengjeong Bridge Basin of Dongjin River during twelve months from October, 2010 to September, 2011. Also, pollutant loads were calculated on the basis of the water quality and runoff results. The results showed that ranges of water temperature, pH and EC were $6.2{\sim}23.90^{\circ}C$, 6.32~7.78, $84.4{\sim}126.5{\mu}S/cm$ respectively. The Concentration of DO, BOD, COD, SS, Tot-N and Tot-P were observed as 6.80~9.20 mg/L, 0.40~1.60 mg/L, 1.96~4.41 mg/L, 59.60~142.20 mg/L, 1.28~3.52 mg/L, 0.001~0.07 mg/L respectively. Tot-N showed correlativity with BOD, and Tot-P showed correlativity with SS. The runoff pollutant loading of Tot-N and Tot-P were 117.94 kg/ha and 2.06 kg/ha respectively, in Hengjeong bridge of Dongjin river watershed. In the case of the correlativity between runoff pollutant loads and concentrations, Tot-N and Tot-P show low significant relationships.

Keywords

References

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