Heinrich event 4 and Dansgaard/Oeschger events 5–10 recorded byhigh-resolution speleothem oxygen isotope data from central China
Zhou,HY(Zhou,Houyun)[1,2]; Zhao,JX(Zhao,Jianxin)[3]; Feng,YX(Feng,Yuexing)[3]; Chen,Q(Chen,Qiong)[1]; Mi,XJ(Mi.Xiaojian)[1]; Shen,CC(Shen,Chuan-Chou)[4]; He,HB(He,Haibo)[1]; Yang,L(Yang,Liang)[1]; Liu,SH(Liu,Shuhua)[1]; Chen,L(Chen,Lin)[1]; Huang,JY(Huang,Jiayi)[1]; Zhu,LY(Zhu,Liyan)[1]
2014
发表期刊Quaternary Research
卷号82页码:394-404
文章类型期刊论文
摘要

A 50-yr resolution reconstruction of climate and environment variability during the period 43–14 ka was developed using 26 high-precision U/Th dates and 390 oxygen isotope (δ18O) data of a stalagmite (SJ1) collected from Songjia Cave in central China, which is close to the northwestern boundary of the Asian summer monsoon (ASM). The δ18O record in SJ1 displays significant millennial-scale changes that correlate well in timing and duration with Dansgaard/Oeschger (D/O) events 5–10 and Heinrich event 4 (H4) identified in high-latitude regions of the Northern Hemisphere. Four 230Th dates constrain the H4 event precisely to the period of 39.7 to 38.3 ka. Notable centennial variations of the ASM activity could be observed within the H4 event. The magnitude and duration of D/O event 4.1 recorded in SJ1 are similar to those archived in east China but different from those documented in southwest China, suggesting that the manifestation of this event may be regionally different. The timing, duration and structure of D/O events 5–10 and Heinrich event 4 suggest that temperature changes in both hemispheres have exerted significant influences on the ASM variations in central China.

关键词Dansgaard/oeschger Event Heinrich Event Δ18o Central China Asian Summer Monsoon
DOI10.1016/j.yqres.2014.07.006
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9864
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Zhou,HY(Zhou,Houyun)[1,2]
作者单位1.School of Geography, South China Normal University, Guangzhou 510631, China;
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China;
3.Radiogenic Isotope Facility, School of Earth Sciences, the University of Queensland, Brisbanez, Qld 4072, Australia;
4.High-precision Mass Spectrometry and Environment Change Laboratory (HISPEC), Department of Geosciences, National Taiwan University, Taipei 106, Taiwan, ROC
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GB/T 7714
Zhou,HY(Zhou,Houyun)[1,2],Zhao,JX(Zhao,Jianxin)[3],Feng,YX(Feng,Yuexing)[3],等. Heinrich event 4 and Dansgaard/Oeschger events 5–10 recorded byhigh-resolution speleothem oxygen isotope data from central China[J]. Quaternary Research,2014,82:394-404.
APA Zhou,HY.,Zhao,JX.,Feng,YX.,Chen,Q.,Mi,XJ.,...&Zhu,LY.(2014).Heinrich event 4 and Dansgaard/Oeschger events 5–10 recorded byhigh-resolution speleothem oxygen isotope data from central China.Quaternary Research,82,394-404.
MLA Zhou,HY,et al."Heinrich event 4 and Dansgaard/Oeschger events 5–10 recorded byhigh-resolution speleothem oxygen isotope data from central China".Quaternary Research 82(2014):394-404.
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