| Weather and Climate |
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| Reconstruction of Minimum Temperature Field in June-July During 1787-2005 in the West Sichuan Plateau |
| YU Shu-long, YUAN Yu-jiang, WEI Wen-shou, SHANG Hua-ming, ZHANG Tong-wen, CHEN Feng, ZHANG Rui-bo |
| Xinjiang Key Laboratory of Tree Ring Ecology/Key Laboratory of Tree-ring Physical and Chemical Research of China Meteorological Administration, Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China |
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Abstract Single correlation coefficients between tree ring width chronologies and minimum temperature data from 14 weather stations at the west Sichuan plateau were calculated, and the 14 tree-ring width chronologies and minimum temperature series in June-July during 1961-2005 were selected to build tree-ring width field and minimum temperature field in the area. Calculation of typical correlation coefficients between tree-ring width field and minimum temperature field showed the first eigenvector and third eigenvector of the two fields were significantly correlative. The minimum temperature sequences in June-July during 1787-2005 of the 14 stations and a regional average minimum temperature series were reconstructed using Multiple Linear Regression Model. Analysis of reconstructed minimum temperature field during 1787-2005 showed the first eigenvector of the field responded well to warm/cold change periods in west Sichuan, and variance contribution of the first eigenvector of the field was enhanced in past two centuries, and convergence rate of the field decreased.
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Received: 24 October 2011
Published: 20 July 2012
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Cite this article:
YU Shu-long, YUAN Yu-jiang-*, WEI Wen-shou, SHANG Hua-ming, ZHANG Tong-wen, CHEN Feng, ZHANG Rui-bo. Reconstruction of Minimum Temperature Field in June-July During 1787-2005 in the West Sichuan Plateau. JOURNAL OF DESERT RESEARCH, 2012, 32(4): 1010-1016.
URL:
http://www.desert.ac.cn/EN/ OR http://www.desert.ac.cn/EN/Y2012/V32/I4/1010
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