气候变化领域集成服务门户(CCPortal): Long-term decrease in Asian monsoon rainfall and abrupt climate change events over the past 6,700 years

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DOI	10.1073/pnas.2102007118
	Long-term decrease in Asian monsoon rainfall and abrupt climate change events over the past 6,700 years
	Yang B.; Qin C.; Bräuning A.; Osborn T.J.; Trouet V.; Ljungqvist F.C.; Esper J.; Schneider L.; Grießinger J.; Büntgen U.; Rossi S.; Dong G.; Yan M.; Ning L.; Wang J.; Wang X.; Wang S.; Luterbacher J.; Cook E.R.; Stenseth N.C.
发表日期	2021
ISSN	0027-8424
卷号	118 期号:30
英文摘要	Asian summer monsoon (ASM) variability and its long-term ecological and societal impacts extending back to Neolithic times are poorly understood due to a lack of high-resolution climate proxy data. Here, we present a precisely dated and well-calibrated tree-ring stable isotope chronology from the Tibetan Plateau with 1- to 5-y resolution that reflects high- to low-frequency ASM variability from 4680 BCE to 2011 CE. Superimposed on a persistent drying trend since the mid-Holocene, a rapid decrease in moisture availability between ∼2000 and ∼1500 BCE caused a dry hydroclimatic regime from ∼1675 to ∼1185 BCE, with mean precipitation estimated at 42 ± 4% and 5 ± 2% lower than during the mid-Holocene and the instrumental period, respectively. This second-millennium–BCE megadrought marks the mid-to late Holocene transition, during which regional forests declined and enhanced aeolian activity affected northern Chinese ecosystems. We argue that this abrupt aridification starting ∼2000 BCE contributed to the shift of Neolithic cultures in northern China and likely triggered human migration and societal transformation. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Tree rings \| stable isotopes \| climate variability \| megadrought \| Asian summer monsoon
语种	英语
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/238682
作者单位	Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; Chinese Academy of Sciences Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, 100101, China; Institute of Geography, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, 91058, Germany; Climatic Research Unit, School of Environmental Sciences, University of East Anglia, Norwich, NR4 7TJ, United Kingdom; Laboratory of Tree-Ring Research, University of Arizona, Tucson, AZ 85721, United States; Department of History, Stockholm University, Stockholm, 106 91, Sweden; Bolin Centre for Climate Research, Stockholm University, Stockholm, 106 91, Sweden; Swedish Collegium for Advanced Study, Uppsala, 752 38, Sweden; Department of Geography, Johannes Gutenberg University, Mainz, 55099, Germany; Global Change Research Institute of the Czech Academy of Sciences (CzechGlobe), Brno, 603 00, Czech Republic; Department ...
推荐引用方式 GB/T 7714	Yang B.,Qin C.,Bräuning A.,et al. Long-term decrease in Asian monsoon rainfall and abrupt climate change events over the past 6,700 years[J]. 中国科学院西北生态环境资源研究院,2021,118(30).
APA	Yang B..,Qin C..,Bräuning A..,Osborn T.J..,Trouet V..,...&Stenseth N.C..(2021).Long-term decrease in Asian monsoon rainfall and abrupt climate change events over the past 6,700 years.Proceedings of the National Academy of Sciences of the United States of America,118(30).
MLA	Yang B.,et al."Long-term decrease in Asian monsoon rainfall and abrupt climate change events over the past 6,700 years".Proceedings of the National Academy of Sciences of the United States of America 118.30(2021).