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Secondary grain-size effects on Li and Cs concentrations and appropriate normalization procedures for coastal sediments
Jung, Hoisoo1; Lim, Dhongil2,3; Xu, Zhaokai4; Jeong, Kapsik1
2016-06-20
发表期刊ESTUARINE COASTAL AND SHELF SCIENCE
卷号175页码:57-61
文章类型Article
摘要The sediment grain-size effect (GSE), a fundamental factor relevant to the interpretation of elemental concentrations and isotopic compositions, has been normalized using conservative elements such as aluminum (Al), cesium (Cs), and lithium (Li) (C-(Al,C- Cs,C- Li)), which serve as proxies for the natural metal controlling variables of grain size, mineralogy, and organic matter. However, a secondary GSE reportedly remains even after compensation by the Al-normalization procedure, particularly for the concentrations of transition metals (C-T.M). This secondary effect also occurred in the C-(Li,C- Cs)/C-Al ratios of the Korean coastal sediments examined in this study. The primary and secondary GSEs on Cs and Li concentrations can be explained by the quartz-dilution effect and the Cs- and Li-incorporation effect of phyllosilicate minerals, respectively, based on a model involving three component end-members: a Cs and Li-free sand-dominated sediment component consisting mostly of quartz and feldspar, a Cs- and Li bearing silt-dominated component of mica, and a Cs- and Li-enriched clay-dominated component of illite. Although the primary and secondary GSEs on the concentrations of transition metals (particularly Cu and Ni) in coastal sediments might be normalized by dividing the metal concentrations by the square of the Al concentration (C-T.M/(C-Al)(2)), the GSEs can also be normalized by dividing the concentrations by the exact Cs (or Li) concentration (C-T.M/C-Cs). (C) 2016 Elsevier Ltd. All rights reserved.
关键词Coastal Sediments Grain-size Proxy Metal Concentrations Yellow Sea
DOI10.1016/j.ecss.2016.03.028
收录类别SCI
语种英语
WOS记录号WOS:000377311100007
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/126242
专题海洋地质与环境重点实验室
作者单位1.Korea Inst Ocean Sci & Technol, Geol & Geophys Div, 787 Haean Ro, Ansan 426744, South Korea
2.Korea Inst Ocean Sci & Technol, South Sea Res Inst, Geoje 656830, South Korea
3.Univ Sci & Technol, Dept Marine Environm Sci, Daejeon 305320, South Korea
4.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
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Jung, Hoisoo,Lim, Dhongil,Xu, Zhaokai,et al. Secondary grain-size effects on Li and Cs concentrations and appropriate normalization procedures for coastal sediments[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2016,175:57-61.
APA Jung, Hoisoo,Lim, Dhongil,Xu, Zhaokai,&Jeong, Kapsik.(2016).Secondary grain-size effects on Li and Cs concentrations and appropriate normalization procedures for coastal sediments.ESTUARINE COASTAL AND SHELF SCIENCE,175,57-61.
MLA Jung, Hoisoo,et al."Secondary grain-size effects on Li and Cs concentrations and appropriate normalization procedures for coastal sediments".ESTUARINE COASTAL AND SHELF SCIENCE 175(2016):57-61.
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