Construction of the homogenized temperature series during 1910–2014 and its changes in Hunan Province

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• 作者：Jiadong Peng ; Yufang Liao ; Yuanhua Jiang…
• 关键词：Hunan Province ; homogeneity ; temperature series ; change characteristics
• 刊名：Journal of Geographical Sciences
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：27
• 期：3
• 页码：297-310
• 全文大小：
• 刊物主题：Physical Geography; Nature Conservation; Geographical Information Systems/Cartography; Remote Sensing/Photogrammetry;
• 出版者：Science Press
• ISSN：1861-9568
• 卷排序：27

文摘

Based on the statistical method and the historical evolution of meteorological stations, the temperature time series for each station in Hunan Province during 1910–2014 are tested for their homogeneity and then corrected. The missing data caused by war and other reasons at the 8 meteorological stations which had records before 1950 is filled by interpolation using adjacent observations, and complete temperature time series since the establishment of stations are constructed. After that, according to the representative analysis of each station in different time periods, the temperature series of Hunan Province during 1910–2014 are built and their changes are analyzed. The results indicate that the annual mean temperature has a significant warming trend during 1910–2014 and the seasonal mean temperature has the largest rising amplitude in winter and spring, followed by autumn, but no significant change in summer. Temperature variation over Hunan Province has several significant warm-cold alternations and more frequent than that in whole China. Annual and seasonal mean temperatures except summer and autumn have abrupt warming changes in the recent 100 years. The wavelet analysis suggests that the annual and four seasonal mean temperatures in recent 100 years have experienced two climatic shifts from cold to warm.