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	Precipitation and temperature trends for the Southwest China: 1960-2007
	Qin N. X. ; Chen X. ; Fu G. B. ; Zhai J. Q. ; Xue X. W.
	2010
关键词	Mann-Kendall test climate change trend analysis precipitation temperature Southwest China yellow-river basin last 50 years tibetan plateau anthropogenic aerosols climatic variability impacts
英文摘要	Daily temperature and precipitation data from 136 stations of Southwest China (SWC) during the last five decades, from 1960 to 2007, were analysed to determine the spatial and temporal trends by using the Mann-Kendall trend test. Results show that SWC has become warmer over the last five decades, especially in the recent 20-25 years. The increasing trends in winter months are more significant than those in the months of other seasons, and spatially Tibet, Hengduan mountains area and west Sichuan Plateau have larger temperature trend in magnitude than the other regions have. A downward trend was detected in Sichuan Basin also, but the region with cooler temperature was shrinking due to the statistically significant increasing trend of temperature after 1990s. Both annual and seasonal means of daily maximum and minimum temperatures show an increasing trend, but trend magnitude of minimum temperature was larger than that of maximum temperature, resulting in the decrease of diurnal temperature range for SWC in the last 50 years. Annual precipitation showed slightly and statistically insignificant increasing trend, but statistically significant increasing trend has been detected in winter season while autumn witnessed a statistically significant decreasing trend. The results could be a reference for the planning and management of water resources under climate change. Copyright (C) 2010 John Wiley & Sons, Ltd.
出处	Hydrological Processes
卷	24
期	25
页	3733-3744
收录类别	SCI
语种	英语
ISSN号	0885-6087
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/23173]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Qin N. X.,Chen X.,Fu G. B.,et al. Precipitation and temperature trends for the Southwest China: 1960-2007. 2010.

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