globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2014.03.023
Scopus记录号: 2-s2.0-84899127031
论文题名:
Tree-ring stable carbon isotope-based May-July temperature reconstruction over Nanwutai, China, for the past century and its record of 20th century warming
作者: Liu Y.; Wang Y.; Li Q.; Song H.; Linderhlom H.W.; Leavitt S.W.; Wang R.; An Z.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2014
卷: 93
起始页码: 67
结束页码: 76
语种: 英语
英文关键词: China ; May-July mean temperature ; Nanwutai ; Pinus tabulaeformis Carr. ; Reconstruction ; Stable carbon isotope
Scopus关键词: Atmospheric temperature ; Carbon ; Climatology ; Forestry ; Image reconstruction ; Isotopes ; Plants (botany) ; Solar energy ; Temperature distribution ; Atmospheric temperature ; Carbon ; Climatology ; Degrees of freedom (mechanics) ; Forestry ; Image reconstruction ; Isotopes ; Plants (botany) ; Solar energy ; Solar radiation ; Temperature ; Temperature distribution ; China ; Mean temperature ; Nanwutai ; Pinus tabulaeformis carr ; Stable carbon isotopes ; Oceanography ; Oceanography ; carbon isotope ; coniferous tree ; growth rate ; paleotemperature ; reconstruction ; sea surface temperature ; solar activity ; stable isotope ; temperature effect ; tree ring ; twentieth century ; climate change ; El Nino-Southern Oscillation ; global warming ; Carbon ; Forestry ; Isotopes ; Meteorology ; Pinus Tabulaeformis ; Sun Light ; Temperature ; China ; China ; Indian Ocean ; Loess Plateau ; Pacific Ocean ; Pinus tabuliformis
英文摘要: Growth anomaly of trees in some regions was detected under current episode of rapid warming. This raises a dilemma for temperature reconstructions by using tree-ring width which is believed to be the most important proxy on inter-annual temperature reconstruction during the past millenniums. Here we employed the tree-ring δ13C to reconstruct temperature variations for exploring their potential on capturing signals of rapid warming, and to test how its difference with the tree-ring width based reconstruction. In this study the mean May-July temperature (TM-J) was reconstructed over the past century by tree-ring δ13C of Chinese pine trees growing in the Nanwutai region. The explained variance of the reconstruction was 43.3% (42.1% after adjusting the degrees of freedom). Compared to a ring-width temperature reconstruction (May-July) from the same site, the tree-ring δ13C-based temperature reconstruction offered two distinct advantages: 1) it captured a wider range of temperature variability, i.e., at least May-July, even over a longer part of the year, January-September; and 2) the reconstruction preserved more low-frequency climate information than that of ring width did.The 20th century warming was well represented in the Nanwutai tree-ring δ13C temperature reconstruction, which implied that stable carbon isotope of tree rings potentially represents temperature variations during historical episodes of rapid warming. A spatial correlation analysis showed that our temperature reconstruction represented climate variations over the entire Loess Plateau in north-central China. Significant positive correlations (p<0.1) were found between the temperature reconstruction and ENSO, as well as SSTs in the Pacific and Indian Oceans. The reconstruction showed the periodicities of 22.78-, 4.16-, 3.45-3.97- and 2.04-2.83-year quasi-cycles at a 95% confidence level. Our results suggested that temperature variability in the Nanwutai region may be linked to Pacific and Indian Ocean SST variations and solar activity. © 2014 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/60276
Appears in Collections:过去全球变化的重建

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作者单位: State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China; School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China; The University of the Chinese Academy of Sciences, Beijing 100049, China; Regional Climate Group, Department of Earth Sciences, University of Gothenburg, Gothenburg 40530, Sweden; Laboratory of Tree-Ring Research, University of Arizona, Tucson, AZ 85721, United States

Recommended Citation:
Liu Y.,Wang Y.,Li Q.,et al. Tree-ring stable carbon isotope-based May-July temperature reconstruction over Nanwutai, China, for the past century and its record of 20th century warming[J]. Quaternary Science Reviews,2014-01-01,93
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