Trace Metals (Co, Ni, Cu, Cd, and Pb) in the Southern East/Japan Sea
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Title
- Trace Metals (Co, Ni, Cu, Cd, and Pb) in the Southern East/Japan Sea
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Author(s)
- Kang, Jeongwon; Choi, Man-Sik; Jeong, Kap-Sik; Lee, Chang-Bok
- KIOST Author(s)
- Kang, Jeong Won(강정원)
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Alternative Author(s)
- 강정원; 정갑식
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Publication Year
- 2014-03
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Abstract
- Total dissolvable metals (Co, Ni, Cu, Cd, and Pb) in both surface waters and the water columns were acquired in the southern East/Japan Sea during a cruise around the Ulleung Basin in June 2001 to understand the spatial distributions of the metals. Concentrations in offshore surface waters were found to be Co 60 +/- 12 pM, Ni 2.16 +/- 0.25 nM, Cu 1.85 +/- 0.55 nM, Cd 0.134 +/- 0.018 nM, and Pb 155 +/- 40 pM. Spatial distributions in surface waters showed that metal levels were generally enhanced at coastal sites in both Korea and Japan, where the metal distributions indicated complex patterns due to inputs, biogeochemical processes, and physical factors including upwelling. The Co distributions in the water columns seemed to be influenced predominantly by surface and bottom inputs, scavenged rather than regenerated at depth. For Cd, there was generally good agreement between the Cd and PO 4 depth distributions, in agreement with the literature. The Cd/PO4 ratio from the water columns was found to be 0.133-0.203, lower than that in other marginal seas (e.g. the East/South China Seas and the Philippine Sea) of the western Pacific Ocean; this might be a result of the fast ventilation rate in this sea. The vertical Pb profile showed typical scavenged-type behavior with a surface maximum and deep minimum. From a comparison of inputs from the atmosphere and the Tsushima Warm Current, atmospheric deposition is substantial enough that it cannot be ignored, and its role in metal cycling is more significant in the offshore zone.
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ISSN
- 1738-5261
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/2899
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DOI
- 10.1007/s12601-014-0006-9
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Bibliographic Citation
- OCEAN SCIENCE JOURNAL, v.49, no.1, pp.47 - 65, 2014
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Publisher
- 한국해양과학기술원
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Keywords
- East/Japan Sea; spatial variability; total dissolvable metals; upwelling; vertical distribution
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Type
- Article
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Language
- English
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Document Type
- Article
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