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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (6): 1891-1897    DOI: 10.7522/j.issn.1000-694X.2013.00245
Weather and Climate     
Change of Extreme Climate Events during 1961-2010 in Northern Xinjiang, China
ZHANG Yan-wei1,2, LI Hong-zhong2, WEI Wen-shou3, LIU Ming-zhe1, SHI Ben-lin2
1.Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumq 830011, China;
2.College of Environment and Planning, Shangqiu Normal University, Shangqiu 476000,Henan, China;
3.Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China
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Abstract  

Based on daily data of precipitation, maximum temperature and minimum temperature from 20 meteorological stations over northern Xinjiang during 1961-2010, the extreme precipitation indices from the ETCDDMI organization were determined for different meteorological stations, and six indices of extreme precipitation and eleven indices of extreme temperature were computed and their spatial characteristics and temporal trends were analyzed. The extreme precipitation and temperature indices indicated remarkable climate regional difference, e.g. Junggar Basin region increased slowly. Annual frequency of cool nights (days) decreased by 4.05 d/10a (1.51 d/10a), whereas the frequency of warm nights (days) increased by 4.36 d/10a (1.64 d/10a). The Mann-Kendall trend test and simple linear regression were utilized to detect monotonic trends in annual maximum (minimum) temperature and extreme precipitation. It showed that annual maximum (minimum) temperature and most extreme precipitation indices showed significant increase trends from the middle of 1980s. After 1980s, extreme climate events significantly increased in northern Xinjiang.

Key words:  northern Xinjiang      ETCDDMI      extreme precipitation index      extreme temperature index     
Received:  05 September 2012      Published:  30 October 2012
ZTFLH:  P426.6  

Cite this article: 

ZHANG Yan-wei1,2, LI Hong-zhong2, WEI Wen-shou3, LIU Ming-zhe1, SHI Ben-lin2. Change of Extreme Climate Events during 1961-2010 in Northern Xinjiang, China. JOURNAL OF DESERT RESEARCH, 2013, 33(6): 1891-1897.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00245     OR     http://www.desert.ac.cn/EN/Y2013/V33/I6/1891

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