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A 1700-year n-alkanes hydrogen isotope record of moisture changes in sediments from Lake Sugan in the Qaidam Basin, northeastern Tibetan Plateau
Wang, Z (Wang, Zheng)[ 1 ]; Liu, WG (Liu, Weiguo)[ 1,2 ]; Liu, ZH (Liu, Zhonghui)[ 3 ]; Wang, HY (Wang, Huanye)[ 1 ]; He, YX (He, Yuxin)[ 3 ]; Zhang, F (Zhang, Fan)[ 2 ]
2013-09-30
发表期刊HOLOCENE
卷号23期号:9页码:1350-1354
文章类型期刊论文
摘要

We present a hydrogen isotopic record of long-chain n-alkanes in Lake Sugan to reconstruct regional moisture changes in the last 1700 years at a sampling resolution of 25 years. The D values decreased by over 30 parts per thousand from the Medieval Warm Period' (MWP; c. ad 600-1500) to the Little Ice Age' (LIA; c. ad 1500-1850), and indicated that the moisture pattern included a relatively humid climate before the MWP, becoming drier overall in the MWP, wetter in the LIA, and then tending towards drought in the post-industrial era. In the study region, Chenopodiceae shrubs were more abundant in dry climates than in wet. Meanwhile, D values of shrubs were more positive than those of grasses. Therefore, we suggest that the vegetation type (shrub or grass), which depends on moisture changes, is the controlling factor for D variations in Lake Sugan.

关键词Hydrogen Isotope Lake Sugan Moisture Change Qaidam Basin
DOI10.1177/0959683613486941
收录类别其他
语种英语
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文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10013
专题加速器质谱中心
通讯作者Wang, Z (Wang, Zheng)[ 1 ]
作者单位1.State Key Laboratory of Loess and Quaternary Geology, Institute ofEarth Environment, Chinese Academy of Sciences, China;
2.School of Human Settlement and Civil Engineering, Xi’an JiaotongUniversity, China;
3.Department of Earth Sciences, The University of Hong Kong, China
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GB/T 7714
Wang, Z ,Liu, WG ,Liu, ZH ,et al. A 1700-year n-alkanes hydrogen isotope record of moisture changes in sediments from Lake Sugan in the Qaidam Basin, northeastern Tibetan Plateau[J]. HOLOCENE,2013,23(9):1350-1354.
APA Wang, Z ,Liu, WG ,Liu, ZH ,Wang, HY ,He, YX ,&Zhang, F .(2013).A 1700-year n-alkanes hydrogen isotope record of moisture changes in sediments from Lake Sugan in the Qaidam Basin, northeastern Tibetan Plateau.HOLOCENE,23(9),1350-1354.
MLA Wang, Z ,et al."A 1700-year n-alkanes hydrogen isotope record of moisture changes in sediments from Lake Sugan in the Qaidam Basin, northeastern Tibetan Plateau".HOLOCENE 23.9(2013):1350-1354.
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