气候变化领域集成服务门户(CCPortal): Centennial-to millennial-scale monsoon changes since the last deglaciation linked to solar activities and North Atlantic cooling

CCPortal

DOI	10.5194/cp-16-315-2020
	Centennial-to millennial-scale monsoon changes since the last deglaciation linked to solar activities and North Atlantic cooling
	Liu X.; Sun Y.; Vandenberghe J.; Cheng P.; Zhang X.; Gowan E.J.; Lohmann G.; An Z.
发表日期	2020
ISSN	18149324
起始页码	315
结束页码	324
卷号	16 期号:1
英文摘要	Rapid monsoon changes since the last deglaciation remain poorly constrained due to the scarcity of geological archives. Here we present a high-resolution scanning X-ray fluorescence (XRF) analysis of a 13.5m terrace succession on the western Chinese Loess Plateau (CLP) to infer rapid monsoon changes since the last deglaciation. Our results indicate that Rb=Sr and Zr=Rb are sensitive indicators of chemical weathering and wind sorting, respectively, which are further linked to the strength of the East Asian summer monsoon (EASM) and the East Asian winter monsoon (EAWM). During the last deglaciation, two cold intervals of the Heinrich event 1 and Younger Dryas were characterized by intensified winter monsoon and weakened summer monsoon. The EAWM gradually weakened at the beginning of the Holocene, while the EASM remained steady till 9.9 ka and then grew stronger. Both the EASM and EAWM intensities were relatively weak during the Middle Holocene, indicating a mid-Holocene climatic optimum. Rb=Sr and Zr=Rb exhibit an antiphase relationship between the summer and winter monsoon changes on a centennial timescale during 16-1 ka. Comparison of these monsoon changes with solar activity and North Atlantic cooling events reveals that both factors can lead to abrupt changes on a centennial timescale in the Early Holocene. During the Late Holocene, North Atlantic cooling became the major forcing of centennial monsoon events. © Author(s) 2020.
语种	英语
scopus关键词	chemical weathering; cooling; Heinrich event; last deglaciation; monsoon; paleoclimate; solar activity; Younger Dryas; Atlantic Ocean; Atlantic Ocean (North); China; Loess Plateau
来源期刊	Climate of the Past
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/146743
作者单位	State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710061, China; CAS Center for Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences, Xi'an, 710061, China; Institute of Global Environmental Change, Xi'An Jiaotong University, Xi'an, 710049, China; Institute of Earth Sciences, Vrije Universiteit, De Boelelaan 1085, Amsterdam, 1081 HV, Netherlands; Shaanxi Key Laboratory of Accelerator Mass Spectrometry Technology and Application, Xi'An AMS Center of IEECAS and xi'An University, Xi'an, 710061, China; Key Laboratory of Western China's Environmental Systems (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China; Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bussestraße 24, Bremerhaven, 27570, Germany
推荐引用方式 GB/T 7714	Liu X.,Sun Y.,Vandenberghe J.,et al. Centennial-to millennial-scale monsoon changes since the last deglaciation linked to solar activities and North Atlantic cooling[J],2020,16(1).
APA	Liu X..,Sun Y..,Vandenberghe J..,Cheng P..,Zhang X..,...&An Z..(2020).Centennial-to millennial-scale monsoon changes since the last deglaciation linked to solar activities and North Atlantic cooling.Climate of the Past,16(1).
MLA	Liu X.,et al."Centennial-to millennial-scale monsoon changes since the last deglaciation linked to solar activities and North Atlantic cooling".Climate of the Past 16.1(2020).