首页|Grain size records reveal variability of the East Asian Winter Monsoon since the Middle Holocene in the Central Yellow Sea mud area, China

Grain size records reveal variability of the East Asian Winter Monsoon since the Middle Holocene in the Central Yellow Sea mud area, China

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Three cores (ZY-1,ZY-2 and ZY-3) retrieved from the Central Yellow Sea mud (CYSM) were analyzed in sensitive grain size and AMS 14C dating to reconstruct the history of the East Asian Winter Monsoon (EAWM) since the Middle Holocene in the study area.The results show that these data provide a continuous history of the EAWM over the past 7.2 ka and that the EAWM can be divided into three periods:strong and highly fluctuating during 7.2-4.2 ka BP; moderate and relatively stable during 4.2-1.8 ka BP; and weakened during 1.8-0 ka BP.Compared with the East Asian Summer Monsoon (EASM) recorded in the previous studies,the evolutionary history of the EAWM broadly follows the orbital-derived winter insolation with a similar long-term step-decreased trend as the EASM.At the centennial scale,however,the EAWM intensified events correlate well with the EASM weakened events and the North Atlantic climatic variations (Bond events 0 to 5) within the dating error,most likely forced by the reduction of solar irradiancc through changes in the oceanic-atmospheric circulation patterns.

East Asian Winter MonsoonCentral Yellow Sea mud areasensitive grain sizesolar activityMiddle Holocene

HU BangQi、YANG ZuoSheng、ZHAO MeiXun、Yoshiki SAITO、FAN DeJiang、WANG LiBo

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Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Qingdao Institute of Marine Geology, Ministry of Land and Resources, Qingdao 266071, China

Stare Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China

College of Geo-Marine Sciences, Ocean University of China, Qingdao 266100, China

Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China

Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology(AIST), Tsukuba, Ibaraki 305-8567, Japan

Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Qingdao Institute of Marine Geology,Ministry of Land and Resources, Qingdao 266071, China

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This work was supported by National Basic Research Program of China国家自然科学基金国家自然科学基金Open Foundation of the State Key Laboratory of Loess and Quaternary Geology

2010CB4289014097603640676032SKLLQG1107

2012

10.1007/s11430-012-4447-7

中国科学:地球科学(英文版)
中国科学院

中国科学:地球科学(英文版)

SCI
影响因子：1.002
ISSN：1674-7313
年,卷(期)：2012.55(10)
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