globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2015JD023610
论文题名:
Potential utility of tree ring δ18O series for reconstructing precipitation records from the lower reaches of the Yangtze River, southeast China
作者: Xu C.; Ge J.; Nakatsuka T.; Yi L.; Zheng H.; Sano M.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2016
卷: 121, 期:8
起始页码: 3954
结束页码: 3968
语种: 英语
英文关键词: Pinus taiwanensis ; precipitation ; tree ring cellulose oxygen isotopes
Scopus关键词: annual variation ; cellulose ; coniferous tree ; dendrochronology ; El Nino-Southern Oscillation ; oxygen isotope ; paleoclimate ; precipitation (climatology) ; reconstruction ; relative humidity ; surface temperature ; tree ring ; typhoon ; China ; Pacific Ocean ; Pacific Ocean (Tropical) ; Yangtze River ; Pinus taiwanensis
英文摘要: In this study, we investigated the interannual and intraannual variabilities in the oxygen isotope composition (δ18O) preserved in the tree ring cellulose of Pinus taiwanensis in the lower reaches of the Yangtze River, southeast China, to explore its potential utility for precipitation reconstruction over the period of 1855-2013. Intraannual variations of tree ring cellulose δ18O show distinct annual cycles that are characterized by δ18O maxima in the early growth near the ring boundary and δ18O minima in the middle and late portions of the ring. Seasonal patterns of tree ring δ18O were influenced by August-October typhoons. The tree ring cellulose δ18O was measured in both young and old trees to test for the juvenile effect. The results revealed no significant differences in the mean values and long-term trends in δ18O in the old and young trees. A response analysis indicated that tree ring δ18O correlated significantly with precipitation and relative humidity between May and October, and the δ18O chronology accounted for 37.4% of the actual variation in the May-October precipitation between 1951 and 2013. The extremely dry and wet years revealed by the tree ring δ18O-based reconstructed precipitation also corresponded to actual local drought and flood events from the documentary records. Reconstructed precipitation showed significant relationship with central tropical Pacific sea surface temperature, which indicated that El Niño-Southern Oscillation (ENSO) exerted influences on May-October precipitation in the lower reaches of the Yangtze River. In addition, the relationship between ENSO and precipitation weakened between 1920 and 1940, and low variance of ENSO from 1920 to 1940 may result in the damped ENSO's influences on precipitation in southeast China. ©2016. American Geophysical Union. All Rights Reserved.
资助项目: 31270659 ; 41372362
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被引频次[WOS]:50   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62925
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China; Research Institute for Humanity and Nature (RIHN), Kyoto, Japan; Key Laboratory of Vertebrate Evolution, Human Origins of the Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing, China; State Key Laboratory of Marine Geology, Tongji University, Shanghai, China; Key Laboratory of Humid Subtropical Eco-Geographical Process, Ministry of Education, Fuzhou, China; College of Geographical Sciences, Fujian Normal University, Fuzhou, China

Recommended Citation:
Xu C.,Ge J.,Nakatsuka T.,et al. Potential utility of tree ring δ18O series for reconstructing precipitation records from the lower reaches of the Yangtze River, southeast China[J]. Journal of Geophysical Research: Atmospheres,2016-01-01,121(8)
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