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2004•Unpublished venueRequires access

Analysis of driving factors to eutrophication in Taihu Lake

Yiping Li

Open publisher page 4 citations

Abstract

By combination of water quality monitoring data with spatial data of Taihu Lake for 2001-2002, five principal components, including the nutrient index, eutrophication index, plant growth index, chrominance index, and pH index, were extracted from the water quality parameters of Taihu Lake by use of the principal component analysis method based on factor analysis, and the significance of the five components to the water quality of the lake was verified. Besides, the spatial distribution characteristics and significance of the principal components and the variation of their monthly averaged values were studied. It is concluded that the nutrient index and plant growth index are the key driving factors to the eutrophication of Taihu Lake, and that the chrominance index and pH index are the secondary driving factors and can be taken as indictors of the eutrophication of Taihu Lake.

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What this paper is about

By combination of water quality monitoring data with spatial data of Taihu Lake for 2001-2002, five principal components, including the nutrient index, eutrophication index, plant growth index, chrominance index, and pH index, were extracted from the water quality parameters of Taihu Lake by use of the principal component analysis method based on factor analysis, and the significance of the five components to the water quality of the lake was verified. Besides, the spatial distribution characteristics and significance of the principal components and the variation of their monthly averaged values were studied. It is concluded that the nutrient index and plant growth index are the key driving factors to the eutrophication of Taihu Lake, and that the chrominance index and pH index are the secondary driving factors and can be taken as indictors of the eutrophication of Taihu Lake.

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Available abstract

By combination of water quality monitoring data with spatial data of Taihu Lake for 2001-2002, five principal components, including the nutrient index, eutrophication index, plant growth index, chrominance index, and pH index, were extracted from the water quality parameters of Taihu Lake by use of the principal component analysis method based on factor analysis, and the significance of the five components to the water quality of the lake was verified. Besides, the spatial distribution characteristics and significance of the principal components and the variation of their monthly averaged values were studied. It is concluded that the nutrient index and plant growth index are the key driving factors to the eutrophication of Taihu Lake, and that the chrominance index and pH index are the secondary driving factors and can be taken as indictors of the eutrophication of Taihu Lake.

Key concepts: Eutrophication, Environmental science, Principal component analysis, Chrominance, Water quality, Index (typography), Driving factors, Nutrient

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