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Clay-sized Hf-Nd-Sr isotopic composition of Mongolian dust as a fingerprint for regional to hemispherical transport
Zhao, Wancang1,2; Sun, Youbin3; Balsam, William4; Zeng, Lin5; Lu, Huayu5; Otgonbayar, Khureldavaa6; Ji, Junfeng1
2015-07-16
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
卷号42期号:13页码:5661-5669
文章类型Article
摘要

Hf-Nd-Sr isotopic fingerprinting has been employed as a powerful method for distinguishing dust sources. However, the Hf and Sr isotopic compositions of dust are highly dependent on particle size to accurately identify dust provenance. Here we compare the Hf-Nd-Sr isotopic compositions of clay-sized fractions from dust sources (the Mongolian Plateau) to sinks (Beijing and Greenland). Our results document that clay-sized Hf-Nd-Sr isotopic compositions of Mongolian dust are controlled by two isotopic/geochemical provinces: Southern Mongolian Gobi (SMG) and Northern Mongolian Plateau (NMP). Our data indicate that the SMG is potentially an important dust source to the loess in Beijing and Hulun Buir and could be a contributing source of dust to Greenland, whereas the NMP contributes little dust to the Chinese loess and the Greenland. Furthermore, we demonstrate that the deserts of northwest China are one of the main dust contributors to Beijing and Greenland, but not to Hulun Buir.

关键词Asian Dust Sources Hf-nd-sr Isotopic Composition Clay-sized Fractions Airborne Dust Transport Mongolian Dust The Central Asian Orogenic Belt
WOS标题词Science & Technology ; Physical Sciences
DOI10.1002/2015GL064357
关键词[WOS]Phanerozoic Crustal Growth ; Asian Dust ; Lu-hf ; Sedimentary-rocks ; Marine-sediments ; Climate-change ; Chinese Loess ; Mineral Dust ; Eolian Dust ; Provenance
收录类别SCI
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000358691300072
出版者AMER GEOPHYSICAL UNION
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9274
专题古环境研究室
通讯作者Ji, Junfeng
作者单位1.Nanjing Univ, Sch Earth Sci & Engn, Minist Educ, Key Lab Surficial Geochem, Nanjing 210008, Jiangsu, Peoples R China
2.Ningxia Geophys & Geochem Explorat Inst, Yinchuan, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian, Peoples R China
4.Dartmouth Coll, Dept Earth Sci, Hanover, NH 03755 USA
5.Nanjing Univ, Inst Climate & Global Change Res, Sch Geog & Oceanog Sci, Nanjing 210008, Jiangsu, Peoples R China
6.Mongolian Acad Sci, Inst Chem & Chem Technol, Ulaanbaatar, Mongol Peo Rep
推荐引用方式
GB/T 7714
Zhao, Wancang,Sun, Youbin,Balsam, William,et al. Clay-sized Hf-Nd-Sr isotopic composition of Mongolian dust as a fingerprint for regional to hemispherical transport[J]. GEOPHYSICAL RESEARCH LETTERS,2015,42(13):5661-5669.
APA Zhao, Wancang.,Sun, Youbin.,Balsam, William.,Zeng, Lin.,Lu, Huayu.,...&Ji, Junfeng.(2015).Clay-sized Hf-Nd-Sr isotopic composition of Mongolian dust as a fingerprint for regional to hemispherical transport.GEOPHYSICAL RESEARCH LETTERS,42(13),5661-5669.
MLA Zhao, Wancang,et al."Clay-sized Hf-Nd-Sr isotopic composition of Mongolian dust as a fingerprint for regional to hemispherical transport".GEOPHYSICAL RESEARCH LETTERS 42.13(2015):5661-5669.
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