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Interpretation and Apportionment Source of Polycyclic Aromatic Hydrocarbons from Neighboring Rivers in Dapeng Bay (Taiwan)

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The contents of 16 polycyclic aromatic hydrocarbons (PAHs) and surface sediment properties were analyzed from 31 locations in Dapeng Bay and neighboring rivers (i.e., Kaoping River, Tungkang River, and Lingbeng River) in Taiwan. Principal component factor analysis (PCFA) showed that the most important latent factors are the soil-texture-caused factor, the PAHs-caused factor, and the nutrient-caused factor. Contour maps incorporating factor scores showed that phenanthrene and pyrene of PAHs had the highest content at the entrance of the northern side of the lagoon. Benzo(a)pyrene had the highest content located in the midsection of the Kaoping River and in Dapeng Bay. Moreover, canonical discriminant analysis shows that sediment quality in Dapeng Bay was not similar to the other three rivers. The methodologies and results provide useful information on watershed management and may be applicable to other basins with similar properties that are experiencing similar coastal environmental issues.

Keywords: Dapeng Bay; canonical discriminant analysis; factor analysis; polycyclic aromatic hydrocarbons; river sediment properties

Document Type: Research Article


Publication date: 2013-04-01

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  • Water Environment Research® (WER®) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.

    Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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