Arid
DOI10.1016/j.jseaes.2017.11.017
Optical dating of eolian deposits since the last interglacial along the northern margin of the Chinese Loess Plateau
Lu, Tongyan1; Sun, Jimin2,3; Gong, Zhijun4
通讯作者Lu, Tongyan
来源期刊JOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
EISSN1878-5786
出版年2018
卷号155页码:154-163
英文摘要

Understanding the chronology of eolian sand-loess-paleosol sequences along the northern margin of the Chinese Loess Plateau (CLP) is crucial for comprehending climate change and the advance and retreat of the adjacent Mu Us desert. In this study, a sand-loess-soil sequence from the northern margin of the CLP was studied by applying the single aliquot regenerative (SAR) protocol to quartz grains, and the multi-elevated-temperature post-IR IRSL (MET-pIRIR) protocol to K-feldspar grains. For equivalent dose (D-c) determination, 63-90 mu m quartz and K-feldspar grains were used. Our results indicate that the MET-pIRIR ages of K-feldspar grains in this sequence range from 94.4 +/- 7.0 ka to 148.3 +/- 13.3 ka for the last interglacial paleosol (S1); for the upper part of the section, quartz-based SAR-OSL dating was used, yielding ages spanning from 5.8 +/- 0.4 ka to 35.9 +/- 4.1 ka. After cross-checking these results with previously-reported isochron OSL and TL ages, the reliability of the METpIRIR protocol when applied to the last interglacial paleosol was confirmed. Based on a new OSL chronology of the Shimao profile, the studied eolian deposits can be broadly correlated with the last glacial-interglacial cycle, but their dating also points to sedimentary hiatuses occurring at 94.4 ka, 35.9 ka and 5.8 ka, due most probably to strong wind erosion caused by intensified cold-dry winter monsoonal circulations during the last glacial maxima.


英文关键词OSL Quartz K-feldspar SAR MET-pIRIR
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000428006300014
WOS关键词FINE-GRAINED QUARTZ ; DOSE-RESPONSE CURVES ; MET-PIRIR SIGNALS ; MU US DESERT ; K-FELDSPAR ; LUMINESCENCE SIGNALS ; RESOLUTION OSL ; SIZED QUARTZ ; PROTOCOL ; HOLOCENE
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
来源机构中国科学院地质与地球物理研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/210652
作者单位1.Chinese Acad Geol Sci, Inst Geomech, Beijing 100081, Peoples R China;
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China;
3.Univ Chinese Acad Sci, Beijing, Peoples R China;
4.East China Univ Technol, Sch Earth Sci, Nanchang, Jiangxi, Peoples R China
推荐引用方式
GB/T 7714
Lu, Tongyan,Sun, Jimin,Gong, Zhijun. Optical dating of eolian deposits since the last interglacial along the northern margin of the Chinese Loess Plateau[J]. 中国科学院地质与地球物理研究所,2018,155:154-163.
APA Lu, Tongyan,Sun, Jimin,&Gong, Zhijun.(2018).Optical dating of eolian deposits since the last interglacial along the northern margin of the Chinese Loess Plateau.JOURNAL OF ASIAN EARTH SCIENCES,155,154-163.
MLA Lu, Tongyan,et al."Optical dating of eolian deposits since the last interglacial along the northern margin of the Chinese Loess Plateau".JOURNAL OF ASIAN EARTH SCIENCES 155(2018):154-163.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Lu, Tongyan]的文章
[Sun, Jimin]的文章
[Gong, Zhijun]的文章
百度学术
百度学术中相似的文章
[Lu, Tongyan]的文章
[Sun, Jimin]的文章
[Gong, Zhijun]的文章
必应学术
必应学术中相似的文章
[Lu, Tongyan]的文章
[Sun, Jimin]的文章
[Gong, Zhijun]的文章
相关权益政策
暂无数据
收藏/分享

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。