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Sediment provenance discrimination in northern Okinawa Trough during the last 24 ka and paleoenvironmental implication: rare earth elements evidence
Xu Zhaokai1; Li Tiegang1; Chang Fengming1; Choi Jinyong2; Dhongil, Lim3; Xu Fangjian4; Li, TG (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China.
2012-11-01
发表期刊JOURNAL OF RARE EARTHS
ISSN1002-0721
卷号30期号:11页码:1184-1190
文章类型Article
摘要Rare earth elements (REE) compositions and discriminant function were successfully used to examine high resolution sediment source changes in the northern Okinawa Trough over, the last 24.1 ka, especially for the influence from the Yellow River and the Tsushima Warm Current (TWC) that has not been well solved. Variations of these parameters were clearly divided into three distinct depositional units. During Interval 1 (24.1-16.0 ka BP), the paleo-Yellow River and the paleo-Yangtze River mouths were situated near the studied area and could have played major roles in the sedimentation therein. In Interval 2 (16.0-7.3 ka BP), these river mouths gradually retreated with global sea-level rise, leading to less fluvial inputs from them to the northern Okinawa Trough. Meanwhile, formation of the TWC could carry some sediment loads of Taiwan to the studied core, especially during its late phase (8.0-7.3 ka BP). Modern oceanographic conditions, with a predominance of the TWC, were finally established since the beginning of Interval 3, causing more terrigenous contribution from Taiwan to the studied area. Sub-sequently, modern depositional environments mainly influenced by the Yellow River, the Yangtze River, and the TWC were finally formed.
关键词Sediment Provenance Discriminant Function Rare Earth Elements Tsushima Warm Current Northern Okinawa Trough
学科领域Chemistry, Applied
DOI10.1016/S1002-0721(12)60202-6
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000312915800021
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被引频次:11[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/337002/12515
专题海洋地质与环境重点实验室
通讯作者Li, TG (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China.
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Kunsan Natl Univ, Dept Oceanog, Kunsan 573701, South Korea
3.Korea Ocean Res & Dev Inst, S Sea Inst, Geoje 656830, South Korea
4.China Univ Petr, Sch Geosci, Qingdao 266555, Peoples R China
第一作者单位中国科学院海洋研究所
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Xu Zhaokai,Li Tiegang,Chang Fengming,et al. Sediment provenance discrimination in northern Okinawa Trough during the last 24 ka and paleoenvironmental implication: rare earth elements evidence[J]. JOURNAL OF RARE EARTHS,2012,30(11):1184-1190.
APA Xu Zhaokai.,Li Tiegang.,Chang Fengming.,Choi Jinyong.,Dhongil, Lim.,...&Li, TG .(2012).Sediment provenance discrimination in northern Okinawa Trough during the last 24 ka and paleoenvironmental implication: rare earth elements evidence.JOURNAL OF RARE EARTHS,30(11),1184-1190.
MLA Xu Zhaokai,et al."Sediment provenance discrimination in northern Okinawa Trough during the last 24 ka and paleoenvironmental implication: rare earth elements evidence".JOURNAL OF RARE EARTHS 30.11(2012):1184-1190.
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