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Cosmogenic Be-10 surface exposure dating of 'Little Ice Age' glacial events in the Mount Jaggang area, central Tibet
Dong, Guocheng1,2; Zhou, Weijian1,2,3; Yi, Chaolu4,5; Zhang, Li1,2; Li, Ming1,2; Fu, Yunchong1,2; Zhang, Qian4
2017-10-01
Source PublicationHOLOCENE
Volume27Issue:10Pages:1516-1525
SubtypeArticle
AbstractThe timing and extent of 'Little Ice Age' (LIA) glacial advances on the Tibetan Plateau (TP) are critical for understanding climate during the past millennium. However, the lack of LIA chronologies in central Tibet makes it difficult to fully understand the nature of LIA throughout the TP. In this study, two presumed LIA moraines in the east of Mount Jaggang, Xainza range, the central TP, were examined and dated using Be-10 surface exposure dating. Eight boulders from the two moraines yielded apparent 10Be exposure-ages ranging from 41 +/- 31 to 529 +/- 130 years. These Be-10 exposure-ages indicate that glaciers advanced at least once in the Mount Jaggang area during the LIA. A relatively extensive glacial advance occurred around 267 +/- 36 years, a relatively humid period as indicated by proxy data from lake sediments in the central TP. A glacial standstill might have occurred around 151 +/- 36 years. The two LIA glacial events are comparable with those across the TP. However, much more efforts should be made on dating of LIA moraines in the Mount Jaggang area to elucidate the relationships between glacial advances and climate changes during the LIA.
KeywordBe-10 Surface Exposure Dating Central Tibet Glacial Advances 'little Ice Age' Mount Jaggang Xainza Range
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1177/0959683617693895
WOS KeywordNORTHERN-HEMISPHERE TEMPERATURES ; EQUILIBRIUM-LINE ALTITUDES ; EASTERN TIAN-SHAN ; QUATERNARY GLACIATION ; AIR-TEMPERATURE ; TREE-RINGS ; PLATEAU ; CLIMATE ; NUCLIDE ; CHINA
Indexed BySCI
Language英语
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000412720200008
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5415
Collection加速器质谱中心
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
2.Xian AMS Ctr, Xian, Shaanxi, Peoples R China
3.Beijing Normal Univ, Beijing, Peoples R China
4.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China
5.Chinese Acad Sci, Excellence Ctr Tibetan Plateau Res, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Dong, Guocheng,Zhou, Weijian,Yi, Chaolu,et al. Cosmogenic Be-10 surface exposure dating of 'Little Ice Age' glacial events in the Mount Jaggang area, central Tibet[J]. HOLOCENE,2017,27(10):1516-1525.
APA Dong, Guocheng.,Zhou, Weijian.,Yi, Chaolu.,Zhang, Li.,Li, Ming.,...&Zhang, Qian.(2017).Cosmogenic Be-10 surface exposure dating of 'Little Ice Age' glacial events in the Mount Jaggang area, central Tibet.HOLOCENE,27(10),1516-1525.
MLA Dong, Guocheng,et al."Cosmogenic Be-10 surface exposure dating of 'Little Ice Age' glacial events in the Mount Jaggang area, central Tibet".HOLOCENE 27.10(2017):1516-1525.
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