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题名: On the timing of the East Asian summer monsoon maximum during the Holocene—Does the speleothem oxygen isotope record reflect monsoon rainfall variability?
作者: Chen, JH(陈建徽); Rao, ZG(饶志国); Liu, JianBao; Huang, Wei; Feng, Song; Dong, GH(董广辉); Hu, Yu; Xu, QingHai; Chen, FaHu
收录类别: SCIE ; EI ; CSCD
出版日期: 2016-10-21
刊名: SCIENCE CHINA-EARTH SCIENCES
卷号: 59, 期号:12, 页码:2328-2338
期刊主办单位: 中国科学院
出版者: SCIENCE CHINA PRESS
出版地: BEIJING
英文摘要: The evolution of the East Asian summer monsoon (EASM) during the Holocene has long been of significant interest. Knowledge of past EASM variability not only increases our understanding of monsoon dynamics on a long timescale, but it also provides an environmental and climatic background for research into Chinese cultural development. However, the timing of the EASM maximum remains controversial. The popular concept of an "early Holocene maximum" is mainly based on speleothem delta O-18 (delta O-18(c)) records from caves in southern China; however, the interpretation of delta O-18(c) as a reliable proxy for EASM intensity is being increasingly challenged. The present paper is a critical review of the climatic significance of the delta O-18(c) record from China. Firstly, we suggest that precipitation in northern China is an appropriate index of EASM intensity, the variation of which clearly indicates a mid-Holocene monsoon maximum. Secondly, an interregional comparison demonstrates that the precipitation record in northern China is quite different from that in southern China on a range of timescales, and is inconsistent with the spatial similarity exhibited by speleothem oxygen isotope records. Furthermore, both modeling and observational data show that the delta (18)Oc records from southern China indeed reflect changes in precipitation delta O-18 (delta O-18(p)) rather than precipitation amount, and therefore that their use as an EASM proxy is inappropriate. Finally, we address several significant monsoon-related issues-including the driving mechanism of the EASM on an orbital timescale, the climatic significance of speleothem oxygen isotopes, and the relationship between atmospheric circulation and precipitation in monsoonal regions.
关键词: East Asian summer monsoon ; Holocene ; Speleothem oxygen isotopes
作者部门: (1) Key Laboratory of West China’s Environmental System (Ministry of Education), College of Earth and Environmental Sciences, Lanzhou University, Lanzhou ; 730000, China ; (2) Department of Geosciences, University of Arkansas, Fayetteville ; AR ; 72701, United States ; (3) Institute of Nihewan Archaeology Research, Hebei Normal University, Shijiazhuang ; 050024, China
通讯作者: Chen, JH ; Chen, FH (reprint author), Lanzhou Univ, Coll Earth & Environm Sci, Minist Educ, Key Lab West Chinas Environm Syst, Lanzhou 730000, Peoples R China.
学科分类: Geology
文章类型: Review
所属项目编号: supported by the National Natural Science Foundation of China ; the Fundamental Research Funds for the Central Universities ; supported by the Chinese Scholarship Council
所属项目名称: 国家自然科学基金项目 ; 国家留学基金委项目 ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; CSC ; LZU
语种: 英语
DOI: 10.1007/s11430-015-5500-5
ISSN号: 1674-7313
WOS记录号: WOS:000390019500007
CSCD记录号: CSCD:5845720
EI记录号: 20164302933352
IR记录号: 20164302933352
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/182394
Appears in Collections:资源环境学院_期刊论文

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Recommended Citation:
Chen, JianHui,Rao, ZhiGuo,Liu, JianBao,et al. On the timing of the East Asian summer monsoon maximum during the Holocene—Does the speleothem oxygen isotope record reflect monsoon rainfall variability?[J]. Science China Earth Sciences,2016:1-11.
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