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Holocene changes in detrital sediment supply to the eastern part of the central Yellow Sea and their forcing mechanisms
Lim, Dhongil1,2; Xu, Zhaokai1,3; Choi, Jinyong4; Li, Tiegang3; Kim, Soyoung5
2015-06-01
发表期刊JOURNAL OF ASIAN EARTH SCIENCES
卷号105页码:18-31
文章类型Article
摘要In this study, Holocene changes in the riverine, eolian, and erosional supplies to the eastern part of the central Yellow Sea (YS) and their forcing mechanisms were determined on the basis of multiple mineralogical and geochemical indices of three age-dated piston cores from the central Yellow Sea mud (CYSM) deposition. The core records of the indices, including clay minerals, rare earth element fractionation parameters, and conservative trace elements, revealed abrupt changes in the sediment sources, especially similar to 9.0 and 4.8 ka. The late last deglaciation and early Holocene sediments (Units 3 and 4, similar to 14.1 to similar to 9.0 ka) most likely originated from the paleo-Huanghe and the sea bed erosion, together with some contribution from the paleo-Changjiang Shoal sediments that extended northeastward into the YS. After that period, the dominant sediment source gradually changed to the Changjiang during the middle Holocene (similar to 9.0-4.8 ka, Unit 2), while the supplies from Huanghe and sea bed erosion to the south YS decreased. In the last 4.8 ka (Unit 1), the CYSM largely received Changjiang-derived sediments. Besides, some clay-sized particulates from the Huanghe, sea bed erosion, and Korea rivers might be transported to the CYSM during Unit 1. Possible mechanisms behind such changes in the riverine and erosional sediment sources and contributions include position shifts of river mouths, tidal stress evolutions, shelf sea-level fluctuations, East Asian monsoon climate changes, and the development of the YSWC and coastal circulation systems. (C) 2015 Elsevier Ltd. All rights reserved.
关键词Sediment Provenance Clay Mineralogy Rare Earth Elements Central Yellow Sea Mud
DOI10.1016/j.jseaes.2015.03.032
收录类别SCI
语种英语
WOS记录号WOS:000355051700002
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/33042
专题海洋地质与环境重点实验室
作者单位1.Korea Inst Ocean Sci & Technol, South Sea Res Inst, Geoje 656830, South Korea
2.Univ Sci & Technol, Marine Environm Chem & Biol, Taejon 305320, South Korea
3.Chinese Acad Sci, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Peoples R China
4.Kunsan Natl Univ, Dept Oceanog, Kunsan 573701, South Korea
5.Korea Polar Res Inst, Arctic Res Ctr, Inchon 406840, South Korea
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Lim, Dhongil,Xu, Zhaokai,Choi, Jinyong,et al. Holocene changes in detrital sediment supply to the eastern part of the central Yellow Sea and their forcing mechanisms[J]. JOURNAL OF ASIAN EARTH SCIENCES,2015,105:18-31.
APA Lim, Dhongil,Xu, Zhaokai,Choi, Jinyong,Li, Tiegang,&Kim, Soyoung.(2015).Holocene changes in detrital sediment supply to the eastern part of the central Yellow Sea and their forcing mechanisms.JOURNAL OF ASIAN EARTH SCIENCES,105,18-31.
MLA Lim, Dhongil,et al."Holocene changes in detrital sediment supply to the eastern part of the central Yellow Sea and their forcing mechanisms".JOURNAL OF ASIAN EARTH SCIENCES 105(2015):18-31.
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