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KMID : 1156220070330040299
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Journal of Environmental Health Sciences
2007 Volume.33 No. 4 p.299 ~ p.305
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A Study on Indicator Bacteria for Water Quality Management of Urban Artificial Lakes
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Chu Duk-Sung
Kwon Hyuk-Ku
Lee Sang-Eun
Lee Jang-Hoon
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Abstract
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Distribution of fecal pollution indicator bacteria and environmental parameter were investigated of urban artificial lakes. An average concentration of temperature, pH, SS, DO, CODMn, T-P, T-N, Turbidity, Chl-a were 21.5℃, 8.07, 116.70 ㎎/ℓ, 8.66 ㎎/ℓ, 2.24 ㎎/ℓ, 0.52 ㎎/ℓ, 1.71 ㎎/ℓ, 80.54 NTU, and 52.12 ㎎/ℓ respectively. From the results of bivariate correlation analysis, fecal contamination indicator bacteria were found to be mutually correlated. And turbidity and suspended solid were correlated. From the results of principal component analysis, four factors were extracted. And four factors of variance explained up to 81.5 percentage. Factor 1 was pollution pattern by fecal contamination, factor 2 was physical pollution pattern by pollution source, factor 3 was natural pollution by precipitation, and factor 4 was artificial pollution pattern by organism.
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KEYWORD
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urban artificial lakes, water quality, indicator bacteria, bivariate correlation analysis, principal component analysis
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