Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
권호 표지

Application of Korean Water Quality Index for the Assessment of River Water Quality in the Basin of Daecheong Lake

대청호 유역의 수질평가를 위한 종합수질지수의 적용

  • Chung, Se Woong (Department of Environmental Engineering, Chungbuk National University) ;
  • Park, Jae Ho (Department of Environmental Engineering, Chungbuk National University)
  • Received : 2005.03.08
  • Accepted : 2005.05.23
  • Published : 2005.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

The Korean Water Quality Index (K-WQI) was applied to the rivers located in the watershed of Daecheong Lake to assess the status of river water quality, and propose potential target constituents for better water quality management in the watershed. The estimated K-WQI value for each river was varied from 70 to 90, and Youngdongcheon showed the worst score while Mujunamdeachen showed the best score. The total nitrogen (TN) and total coliform bacteria were identified as the most significant constituents that degrade the K-WQI values in the rivers. The correlation coefficients (r) were determined between K-WQI and the delivered specific load ($kg/km^2/yr$) of BOD, TN, and TP to justify potential target constituents that have a great influence on the improvement of K-WQI values. The results showed that TN (r=-0.86) and TP (r=-0.85) have a strong negative relationships with K-WQI, but BOD have almost no effect. This implies that BOD, the surrogate parameter for organic pollutants, is no more a feasible water quality variable for the water quality management in the study site.

Keywords

References

  1. 방천희, 박재로, 이용수, 복하천 유역의 수질평가를 위한 종합수질지표의 적용성 검토, 대한상하수도학회.한국물환경학회 공동추계학줄발표회논문집, pp. D39-D42 (2002)
  2. 이병국, 오염총량관리제의 개선방향, 춘천 물 포럼 2004 논문집, p. 591 (2004)
  3. 이홍근, 오경두, 백도현, 신경회로망을 이용한 수질지수 산정 기법, 1996년 한국수질보전학회 학술연구발표희논문초록집, p. 49 (1 996)
  4. 정부합동, 대청호등 금강수계 물관리 종합대책, 환경부, p.126 (2000)
  5. 정세웅, 대청호 수질보전 방안, 대청댐주변지역 환경정비전량 세미나 논문집, pp. 83-113 (2004)
  6. 정용, 김종택, 공동수, 최윤호, 이윤균, 금희정, 수질평가를 위한 Water Quality Management System 개발, 1997년 한국수질보전학회 추계학줄발표논문초록집, 광주과학기술원, pp. 29-32 (1997)
  7. 최지용, 종합수질지표의 개발, 한국환경기술개발원, pp. 42-111(1996)
  8. 한국수자원공사, 대청다목적댐 관리연보, pp. 157-174 (2002)
  9. 한국수자원공사, 다목적댐 운영 실무편람, pp. 33-72 (2003)
  10. 한국수자원공사, 대청댐 주변지역 환정정비 기본계획, pp. 83-113 (2004)
  11. Dojildo, J., Raniszewski, J. and Woyciechowska, J., Water Quality Index - Application for Rivers in Vistula River Basin in Poland, Wat. Sci. & Tech., 30(1 0), pp. 57-64 (1994)
  12. Smith, D. G., A New Form of Water Quality Index for Rivers and Streams, Wat. Sci. & Tech., 21(2), pp. 123-127 (1989).
  13. Tyson, J. M. and House, M. A., The Application of a Water Quality Index to River Management, Wat. Sci. & Tech., 21 , pp. 1149-1159 (1989)
  14. USEPA, Guideline for Preparation of the State Water Quality Assessments, USEPA (1996)