Arid
DOI10.1016/j.quascirev.2013.08.017
Late Holocene coupled moisture and temperature changes on the northern Tibetan Plateau
He, Yuxin1; Zhao, Cheng1; Wang, Zheng2; Wang, Huanye2; Song, Mu1; Liu, Weiguo2; Liu, Zhonghui1
通讯作者He, Yuxin
来源期刊QUATERNARY SCIENCE REVIEWS
ISSN0277-3791
出版年2013
卷号80页码:47-57
英文摘要

The northern Tibetan Plateau involves complex interactions between the mid-latitude westerly circulation and the subtropical Asia monsoon circulation, acting as a bridge communicating high and low latitude climatic processes. Previous studies from the region suggest relatively wet conditions in cold periods during the late Holocene, for instance, the Little Ice Age (LIA). However, the inference of such temperature-moisture association is subject to the large uncertainty in lacustrine C-14 chronology, due to the particularly large lake reservoir effect in the region. Here we take a different approach by reconstructing paired temperature and moisture records from the same sediment cores to assess the temperature-moisture association, independent of chronology uncertainty. We use alkenone indices U-37(K’) and %C-37:4 to reconstruct high resolution temperature and moisture changes simultaneously from two lakes in the Qaidam Basin, northern Tibetan Plateau, over the last similar to 2500 years. Characterized by marked climatic variability, our paired records confirm the warm-dry and cold-wet association in arid northwestern China during the late Holocene, opposite to the warm wet and cold dry association in subtropical Asian monsoonal regions. Our moisture records further suggest substantially drier conditions during the Medieval Warm Period (MWP) than the current warm period. Lastly, the temperature and moisture changes inferred from our records can be well correlated with solar irradiance changes, suggesting a possible link between solar forcing and natural climate variability during the late Holocene on the northern Tibetan Plateau. (C) 2013 Elsevier Ltd. All rights reserved.


英文关键词Northern Tibetan Plateau Alkenones Late Holocene Moisture change Solar irradiance
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000328521100003
WOS关键词CHAIN ALKENONE DISTRIBUTIONS ; RESOLUTION POLLEN RECORD ; ASIAN SOUTHWEST MONSOON ; SUGAN LAKE ; ICE-AGE ; ENVIRONMENTAL-CHANGES ; CLIMATE-CHANGE ; SOLAR IRRADIANCE ; QAIDAM BASIN ; QINGHAI
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/179654
作者单位1.Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China;
2.Chinese Acad Sci, IEE, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China
推荐引用方式
GB/T 7714
He, Yuxin,Zhao, Cheng,Wang, Zheng,et al. Late Holocene coupled moisture and temperature changes on the northern Tibetan Plateau[J],2013,80:47-57.
APA He, Yuxin.,Zhao, Cheng.,Wang, Zheng.,Wang, Huanye.,Song, Mu.,...&Liu, Zhonghui.(2013).Late Holocene coupled moisture and temperature changes on the northern Tibetan Plateau.QUATERNARY SCIENCE REVIEWS,80,47-57.
MLA He, Yuxin,et al."Late Holocene coupled moisture and temperature changes on the northern Tibetan Plateau".QUATERNARY SCIENCE REVIEWS 80(2013):47-57.
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