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Tree-ring based PDSI reconstruction since 1853 AD in the source of the Fenhe river basin, Shanxi province, China
Sun, JY (Sun JunYan)[1]; Liu, Y (Liu Yu)[1,2]; Sun, B (Sun Bo)[1,3]; Wang, RY (Wang RuiYuan)[1,3]
2012-11-30
发表期刊SCIENCE CHINA-EARTH SCIENCES
卷号55期号:11页码:1847-1854
文章类型期刊论文
摘要

A robust tree-ring-width chronology was developed from two Pinus tabulaeformis sampling sites in the source of the Fenhe River, Shanxi Province, China. Based on the tree-ring-width indices, a 157-year long Palmer Drought Severity Index (PDSI) was reconstructed, which explains 53.7% of the variance of the modeled PDSI over the common period 1957-2008. The drought periods in the study area include 1914-1931 and 1970 to the present, whereas the wet periods were 1866-1892 and 1932-1969. The drought of 1914-1931 was a severe long-lasting drought with a low inter-annual variability, and the drought of 1970-2009 was an overall long-term drought with a high inter-annual variability. The period of 1866-1892 is a continuously wet period with a low inter-annual variability and the period of 1932-1969 is an overall long-term wet period with a high inter-annual variability. The reconstructed PDSI series in the source of the Fenhe River shows synchronous variations with the regional drought/wetness indices. Spatial correlation analyses indicate that the higher correlations lie exclusively in the Fenhe River Basin. This indicates that the reconstructed PDSI has regional representativeness and can represent the drought history of the entire Fenhe River Basin to some extent. Furthermore, the reconstructed PDSI matches with the variability of the per unit yield of summer grain crops in Shanxi Province very well and they have significant correlation. From a long-term perspective the reconstructed PDSI series could supply scientific and valuable information to the water resources management and then help the sustainable development in agricultural production, economic development, and ecosystem balance.

DOI10.1007/s11430-012-4369-4
收录类别SCI ; EI
语种英语
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被引频次:22[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/361006/10109
专题现代环境研究室
通讯作者Liu, Y (Liu Yu)[1,2]
作者单位1.The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment,Chinese Academy of Sciences, Xi’an 710075, China;
2.Department of Environmental Science and Technology, School of Human Settlements and Civil Engineering,Xi’an Jiaotong University, Xi’an 710049, China;
3.Graduate University of Chinese Academy of Sciences, Beijing 100049, China
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GB/T 7714
Sun, JY ,Liu, Y ,Sun, B ,et al. Tree-ring based PDSI reconstruction since 1853 AD in the source of the Fenhe river basin, Shanxi province, China[J]. SCIENCE CHINA-EARTH SCIENCES,2012,55(11):1847-1854.
APA Sun, JY ,Liu, Y ,Sun, B ,&Wang, RY .(2012).Tree-ring based PDSI reconstruction since 1853 AD in the source of the Fenhe river basin, Shanxi province, China.SCIENCE CHINA-EARTH SCIENCES,55(11),1847-1854.
MLA Sun, JY ,et al."Tree-ring based PDSI reconstruction since 1853 AD in the source of the Fenhe river basin, Shanxi province, China".SCIENCE CHINA-EARTH SCIENCES 55.11(2012):1847-1854.
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