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A Standardized Precipitation Evapotranspiration Index Reconstruction in the Taihe Mountains Using Tree-Ring Widths for the Last 283 Years
Ma, Yongyong1,2; Liu, Yu1,3; Song, Huiming1,3; Sun, Junyan1; Lei, Ying1; Wang, Yanchao4
2015-07-24
发表期刊PLOS ONE
ISSN1932-6203
卷号10期号:7页码:0133605
文章类型Article
摘要

Tree-ring samples from Chinese Pine (Pinus tabulaeformis Carr.) that were collected in the Taihe Mountains on the western Loess Plateau, China, were used to analyze the effects of climate and drought on radial growth and to reconstruct the mean April-June Standardized Precipitation Evapotranspiration Index (SPEI) during the period 1730-2012 AD. Precipitation positively affected tree growth primarily during wet seasons, while temperature negatively affected tree growth during dry seasons. Tree growth responded positively to SPEI at long time scales most likely because the trees were able to withstand water deficits but lacked a rapid response to drought. The 10-month scale SPEI was chosen for further drought reconstruction. A calibration model for the period 1951-2011 explained 51% of the variance in the modeled SPEI data. Our SPEI reconstruction revealed long-term patterns of drought variability and captured some significant drought events, including the severe drought of 1928-1930 and the clear drying trend since the 1950s which were widespread across northern China. The reconstruction was also consistent with two other reconstructions on the western Loess Plateau at both interannual and decadal scales. The reconstructed SPEI series showed synchronous variations with the drought/wetness indices and spatial correlation analyses indicated that this reconstruction could be representative of large-scale SPEI variability in northern China. Period analysis discovered 128-year, 25-year, 2.62-year, 2.36-year, and 2.04-year cycles in this reconstruction. The time-dependency of the growth response to drought should be considered in further studies of the community dynamics. The SPEI reconstruction improves the sparse network of long-term climate records for an enhanced understanding of climatic variability on the western Loess Plateau, China.

WOS标题词Science & Technology
DOI10.1371/journal.pone.0133605
关键词[WOS]Drought Severity Index ; Pinus-tabulaeformis Carr. ; Northern China ; Inner-mongolia ; United-states ; Time-series ; Variability ; Pacific ; Dataset ; Records
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000358622000109
出版者PUBLIC LIBRARY SCIENCE
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9266
专题现代环境研究室
通讯作者Liu, Yu
作者单位1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Beijing Normal Univ, Joint Ctr Global Change Studies, Beijing 100875, Peoples R China
4.Xingtai Univ, Dept Geog, Xingtai 054001, Peoples R China
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Ma, Yongyong,Liu, Yu,Song, Huiming,et al. A Standardized Precipitation Evapotranspiration Index Reconstruction in the Taihe Mountains Using Tree-Ring Widths for the Last 283 Years[J]. PLOS ONE,2015,10(7):0133605.
APA Ma, Yongyong,Liu, Yu,Song, Huiming,Sun, Junyan,Lei, Ying,&Wang, Yanchao.(2015).A Standardized Precipitation Evapotranspiration Index Reconstruction in the Taihe Mountains Using Tree-Ring Widths for the Last 283 Years.PLOS ONE,10(7),0133605.
MLA Ma, Yongyong,et al."A Standardized Precipitation Evapotranspiration Index Reconstruction in the Taihe Mountains Using Tree-Ring Widths for the Last 283 Years".PLOS ONE 10.7(2015):0133605.
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