气候变化领域集成服务门户(CCPortal): Changes in daily climate extremes in the eastern and central Tibetan Plateau during 1961-2005

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DOI	10.1029/2007JD009389
	Changes in daily climate extremes in the eastern and central Tibetan Plateau during 1961-2005
	You, Qinglong; Kang, Shichang; Aguilar, Enric; Yan, Yuping
发表日期	2008
ISSN	2169-897X
EISSN	2169-8996
卷号	113 期号:D7
英文摘要	Changes in indices of climate extremes are analyzed on the basis of daily maximum and minimum surface air temperature and precipitation at 71 meteorological stations with elevation above 2000 m above sea level in the eastern and central Tibetan Plateau (TP) during 1961-2005. Twelve indices of extreme temperature and nine indices of extreme precipitation are examined. Temperature extremes show patterns consistent with warming during the studied period, with a large proportion of stations showing statistically significant trends for all temperature indices. Stations in the northwestern, southwestern, and southeastern TP have larger trend magnitudes. The regional occurrence of extreme cold days and nights has decreased by -0.85 and -2.38 d/decade, respectively. Over the same period, the occurrence of extreme warm days and nights has increased by 1.26 and 2.54 d/decade, respectively. The number of frost days and ice days shows statistically significant decreasing at the rate of -4.32 and -2.46 d/decade, respectively. The length of growing season has statistically increased by 4.25 d/decade. The diurnal temperature range exhibits a statistically decreasing trend at a rate of -0.20 degrees C per decade. The extreme temperature indices also show statistically significant increasing trends, with larger values for the index describing variations in the lowest minimum temperature. In general, warming trends in minimum temperature indices are of greater magnitude than those for maximum temperature. Most precipitation indices exhibit increasing trends in the southern and northern TP and show decreasing trends in the central TP. On average, regional annual total precipitation, heavy precipitation days, maximum 1-day precipitation, average wet days precipitation, and total precipitation on extreme wet days show nonsignificant increases. Decreasing trends are found for maximum 5-day precipitation, consecutive wet days, and consecutive dry days, but only the last is statistically significant.
学科领域	Meteorology & Atmospheric Sciences
语种	英语
WOS研究方向	Meteorology & Atmospheric Sciences
来源期刊	JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/111513
作者单位	Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China
推荐引用方式 GB/T 7714	You, Qinglong,Kang, Shichang,Aguilar, Enric,et al. Changes in daily climate extremes in the eastern and central Tibetan Plateau during 1961-2005[J]. 中国科学院西北生态环境资源研究院,2008,113(D7).
APA	You, Qinglong,Kang, Shichang,Aguilar, Enric,&Yan, Yuping.(2008).Changes in daily climate extremes in the eastern and central Tibetan Plateau during 1961-2005.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,113(D7).
MLA	You, Qinglong,et al."Changes in daily climate extremes in the eastern and central Tibetan Plateau during 1961-2005".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 113.D7(2008).