• CN 62-1175/P
• ISSN 1006-7639
• 双月刊
• 中国科技核心期刊
• 中国学术期刊综合评价数据库统计源期刊
• 中文科技期刊数据库收录期刊

• 论文 •

### 中国大陆1983—2012年年极端气温时空变化特征

1. 1.兰州大学资源环境学院，甘肃 兰州 730000；
2.兰州大学资源环境学院西部环境教育部重点实验室，甘肃 兰州 730000
• 出版日期:2016-12-30 发布日期:2016-12-30
• 通讯作者: 马金辉（1964- ），男，副教授，博士，主要从事环境建模方面研究. E-mail：majh@lzu.edu.cn
• 作者简介:武丽梅（1990- ），女，在读研究生，主要从事环境建模方面研究. E-mail：wulm14@lzu.edu.cn
• 基金资助:

国际科技合作专项（2013DFE23030）资助

### Temporal and Spatial Variation Characteristics of  Annual Extreme Temperature in the Mainland of China During 1983-2012

1. 1. College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China;
2. Key Laboratory of Western China’s Environmental Systems of Education Ministry, Lanzhou University, Lanzhou 730000, China
• Online:2016-12-30 Published:2016-12-30

Abstract:

Based on the monthly extreme maximum high and minimum low temperature of 603 weather stations from 1983 to 2012 in the mainland of China, the spatial and temporal variation characteristics of annual extreme temperature were studied by using Mann-Kendall test and Kriging interpolation and space hot (cold) point analysis methods. The results showed that the annual extreme high temperature gradually increased with decrease in latitude and altitude from southwest and northeast to middle, while the annual extreme low temperature gradually increased with decrease in latitude and altitude from northwest to southeast in the mainland of China. The annual extreme high and low temperature showed obvious warming trends during 1983-2012 as a whole, the average increasing rates were 0.43, 0.25 ℃·(10 a)-1, respectively, and there were significant hot and cold point areas in the mainland of China, which indicated the regional differences of annual extreme high and low temperature change were significant during 1983-2012. The hot point areas of annual extreme high temperature mainly located in the central and northeast of China, and the cold point areas located in the south of the middle and lower reaches of Yangtze River, Yunnan-Guizhou Plateau, Hengduan Mountains and the side slopes of Tianshan Mountains. However, the hot point areas of annual extreme low temperature mainly located in the central and eastern Qinghai-Tibet Plateau to southwestern Yunnan-Guizhou Plateau and North China, and the cold point areas located in the north of Tarim Basin, Badan Jaran desert and Tengger desert. The annual average extreme low temperature on 10-year scale during 1983-2012 in seven natural regions of China continued to warm, while the average extreme high temperature changed in phases in certain areas of China, but the warming amplitudes of them in the previous period were significantly greater than that at the late stage (except for the annual extreme low temperature in the Qinghai-Tibet Plateau and annual extreme high temperature in the subtropical moist area of the Central and South China). The most significant warmings areas of anuual extreme high and low temperature were the temperature steppe of Inner Mongolia and Qinghai-Tibet Plateau in the past 30 years.

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