IOCAS-IR  > 海洋地质与环境重点实验室
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
Source PublicationJOURNAL OF RARE EARTHS
ISSN1002-0721
Volume30Issue:11Pages:1184-1190
SubtypeArticle
AbstractRare 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.
KeywordSediment Provenance Discriminant Function Rare Earth Elements Tsushima Warm Current Northern Okinawa Trough
Subject AreaChemistry, Applied
DOI10.1016/S1002-0721(12)60202-6
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000312915800021
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/12515
Collection海洋地质与环境重点实验室
Corresponding AuthorLi, TG (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China.
Affiliation1.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
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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