Tree-ring-based annual precipitation reconstruction in Kalaqin, Inner Mongolia for the last 238 years

被引：3

作者：

Hans W. LINDERHOLM ^{[1
]}

机构：

[1] Regional Climate Group, Department of Earth Sciences, University of Gothenburg,40530 Gothenburg, Sweden

来源：

Science Bulletin | 2011年 / Z2期

基金：

中国国家自然科学基金;

关键词：

Kalaqin; Inner Mongolia; Pinus tabulaeformis; tree-ring width; precipitation; reconstruction;

D O I：

暂无

中图分类号：

P468.024 [];

学科分类号：

0706 ; 070601 ;

摘要：

A tree-ring-width chronology of Pinus tabulaeformis from Kalaqin, Inner Mongolia was developed using modern dendroc hronological techniques. Based on the results of correlation function analysis, the total precipitation from the previous August to current July was reconstructed for 1771-2008 AD with an explained variance of 49.3%. The reconstruction correlated well with the dryness/wetness series derived from historical documents, as well as the precipitation reconstruction of the Chifeng-Weichang region. There were eight intervals with greater precipitation than the average (associated with the strong East Asian summer monsoon) and seven intervals lower than the average (weak monsoon). A power spectrum analysis showed that there were 120 a, 80 a, 8 a and 2 a periodicities.

引用

页码：2995 / 3002

页数：8

共 14 条

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