| Geochemistry of rare earth elements in the mid-late Quaternary sediments of the western Philippine Sea and their paleoenvironmental significance | |
Xu ZhaoKai1; Li TieGang1 ; Wan ShiMing1; Yin XueBo1; Jiang FuQing1; Sun HanJie1; Choi, JinYong2; Lim, DhongIl3; Li, TG (reprint author), Chinese Acad Sci, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Peoples R China.
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| 2014-04-01 | |
| 发表期刊 | SCIENCE CHINA-EARTH SCIENCES
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| 卷号 | 57期号:4页码:802-812 |
| 文章类型 | Article |
| 摘要 | Based on a delta O-18 chronology, rare earth elements (REE) and other typical elements in sediments from core MD06-3047 in the western Philippine Sea were analyzed to constrain the provenances of the sediments and investigate quantitative changes in the Asian eolian input to the study area over the last 700 ka. Among the competing processes that might affect REE compositions, sediment provenance is the most important one. Provenance analysis suggests that the study sediments have two provenance end-members; local volcanic sources are dominant, and eolian dust from the Asian continent has a smaller contribution. During glacial periods, eolian input to the western Philippine Sea was enhanced. In contrast, material supply from local volcanics increased during interglacial periods. Changes in eolian input to the study area were probably related to the strength of the East Asian winter monsoon (EAWM) as well as aridity in the Asian continent on an orbital time scale, and were partly influenced by local control factors on shorter time scales. Therefore, we propose that the present study expands the application of the REE-based method for quantitatively estimating the eolian component from the mid-latitude northern Pacific to the low-latitude western Pacific. Additionally, the study preliminarily confirms the influence of EAWM-transported eolian material on sedimentation in the western Philippine Sea since 700 ka. |
| 关键词 | Eolian Dust Sediment Provenance Rare Earth Elements East Asian Winter Monsoon Glacial/interglacial Cycle Western Philippine Sea |
| 学科领域 | Geology |
| DOI | 10.1007/s11430-013-4786-z |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000334176800021 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/23817 |
| 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, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Peoples R China. |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Peoples R China 2.Kunsan Natl Univ, Dept Oceanog, Kunsan 573701, South Korea 3.Korea Inst Ocean Sci & Technol, South Sea Inst, Geoje 656830, South Korea |
| 第一作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 GB/T 7714 | Xu ZhaoKai,Li TieGang,Wan ShiMing,et al. Geochemistry of rare earth elements in the mid-late Quaternary sediments of the western Philippine Sea and their paleoenvironmental significance[J]. SCIENCE CHINA-EARTH SCIENCES,2014,57(4):802-812. |
| APA | Xu ZhaoKai.,Li TieGang.,Wan ShiMing.,Yin XueBo.,Jiang FuQing.,...&Li, TG .(2014).Geochemistry of rare earth elements in the mid-late Quaternary sediments of the western Philippine Sea and their paleoenvironmental significance.SCIENCE CHINA-EARTH SCIENCES,57(4),802-812. |
| MLA | Xu ZhaoKai,et al."Geochemistry of rare earth elements in the mid-late Quaternary sediments of the western Philippine Sea and their paleoenvironmental significance".SCIENCE CHINA-EARTH SCIENCES 57.4(2014):802-812. |
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