Sedimentary records of metal contamination and eutrophication in Jinhae-Masan Bay, Korea
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Title
- Sedimentary records of metal contamination and eutrophication in Jinhae-Masan Bay, Korea
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Author(s)
- Lim, Dhong-il; Jung, Hoi Soo; Kim, Kyung Tae; Shin, Hyeon Ho; Jung, Seung Won
- KIOST Author(s)
- Lim, Dhong Il(임동일); Jung, Hoi Soo(정회수); Kim, Kyung Tae(김경태); Shin, Hyeon Ho(신현호); Jung, Seung Won(정승원)
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Alternative Author(s)
- 임동일; 정회수; 김경태; 신현호; 정승원
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Publication Year
- 2012-11
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Abstract
- Historical environmental pollution in a semi-enclosed coastal bay was investigated using high-resolution sedimentary records for C-org, N-tot, CaCO3, delta C-13, and delta N-15 signatures, and trace metals. A temporal increase in organic matter might have been attributable to enhanced primary marine productivity, presumably caused by increased anthropogenic nutrient inputs in the semi-enclosed, eutrophic system. Metal accumulation occurred in three stages: a preindustrial stage before the 1930s with natural concentrations of metals, an industrialization stage (1940s-1970s) with the highest concentrations, and a postindustrial stage (post 1970s) with stable or decreasing concentrations. However, Hg exhibited a different accumulation history, with concentrations increasing in the early 1900s and accelerating after the 1920s, probably in response to coal burning. (C) 2012 Elsevier Ltd. All rights reserved.
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ISSN
- 0025-326X
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/3430
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DOI
- 10.1016/j.marpolbul.2012.07.033
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Bibliographic Citation
- MARINE POLLUTION BULLETIN, v.64, no.11, pp.2542 - 2548, 2012
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Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
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Subject
- ORGANIC-MATTER; SOURCE IDENTIFICATION; SURFACE SEDIMENTS; COAL COMBUSTION; NITROGEN; MERCURY; CARBON; HISTORY; MARINE; RATIOS
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Keywords
- Historical records; Eutrophication; Anthropogenic deposition; Coal burning; Korean coasts
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Type
- Article
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Language
- English
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Document Type
- Article
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