하천유역 수질 관측망 구성연구
Construction of Observational Locations for Measuring Water Quality in the River Area
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초록
The methods for constructing network of observational locations for measuring water quality in water reservoirs have been widely proposed, but they had some limitations to be applied to river areas, which lie in awkward clustering and finding representative observational locations among locations within each clustering. In this paper, a statistical approach to detect anomaly locations which were significantly different in important measurements for the water quality from the previous locations and construct observational network with them was proposed. Anomaly was detected with the sampling distribution of each primary principal component score, sum of primary PCs, or sum of residual PCs. The empirical study with the data of Nakdong Dam for guiding how to use our proposed approach and showing limitations of previous studied was described.
Abstract
The methods for constructing network of observational locations for measuring water quality in water reservoirs have been widely proposed, but they had some limitations to be applied to river areas, which lie in awkward clustering and finding representative observational locations among locations within each clustering. In this paper, a statistical approach to detect anomaly locations which were significantly different in important measurements for the water quality from the previous locations and construct observational network with them was proposed. Anomaly was detected with the sampling distribution of each primary principal component score, sum of primary PCs, or sum of residual PCs. The empirical study with the data of Nakdong Dam for guiding how to use our proposed approach and showing limitations of previous studied was described.
참고문헌 (7)
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- 권상우, "엔트로피 방법을 이용한 수질측정망의 평가", 대한토목학회논문집, 21(5B), pp.501~509 (2001)
- 권세혁, "수질 관측지점 유사성 측정방법 연구", Communications for Statistical Applications and Methods, 17(1), pp.39~45 (2010), 한국통계학회
- 박수영, "유전자 알고리즘을 이용한 낙동강 유역의 수질 측정망 설계에 관한 연구", 한국물환경학회지, 23(5), pp.697~704 (2007), 한국물환경학회
- 왕수균, "한강수계 수질측정망 개선을 위한 목적 지향 설계 방안에 관한 연구", 대한환경공학회지, 27(5), pp.453~460 (2005), 대한환경공학회
- 이요상, "저수지 최적수질측정망 구축시스템 개발 및 적용", 한국수자원학회 논문집, 44(4), pp.295~304 (2011), 한국수자원학회
- Johnson, R. A., "Applied multivariate statistical analysis" (2007), Prentice Hall