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	Projected changes in temperature and precipitation extremes over the yangtze river basin of china in the 21st century
	Xu, Ying1; Xu, Chonghai1,3,4; Gao, Xuejie1,2; Luo, Yong1
刊名	Quaternary international
	2009-10-15
卷号	208页码:44-52
ISSN号	1040-6182
DOI	10.1016/j.quaint.2008.12.020
通讯作者	Xu, ying(xuying@cma.gov.cn)
英文摘要	Projections of changes in climate extremes are important in assessing the potential impacts of climate change on societal and natural systems. we analyze future projections of climate extremes derived from an ensemble of coupled general circulation models (cgcms) contributing to the fourth assessment report of the intergovernmental panel on climate change (ipcc ar4), under a range of emission scenarios. the extremes are described by seven indices based on temperature and precipitation (hwdi, tn90, cdd, r10, r5d, sdii, and r95t). the region of our focus is the yangtze river basin (yrb) in southern china. results show a longer duration of heatwave over yrb in the 21st century than today, particularly in the headstream area. more frequent warm nights are also projected in the region. the increases of these temperature extremes under a2 and a1b scenarios are more pronounced than in b1. the change patterns of cdd and r10 are less uniform in the region compared to the other indices. heavy precipitation events for single days and pentads are projected to increase in their intensity over the yrb. in addition, a larger fraction of the total annual precipitation is projected to occur during heavy precipitation events, i.e. events that exceed the 95th percentile. (c) 2009 elsevier ltd and inqua. all rights reserved.
WOS关键词	COUPLED CLIMATE MODELS ; VARIABILITY ; SIMULATION ; TRENDS ; 20TH-CENTURY ; CIRCULATION ; FREQUENCY
WOS研究方向	Physical Geography ; Geology
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000271687400007
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2401795
专题	中国科学院大学
通讯作者	Xu, Ying
作者单位	1.CMA, Natl Climate Ctr, Lab Climate Studies, Beijing 100081, Peoples R China 2.Abdus Salam Int Ctr Theoret Phys, Trieste, Italy 3.Chinese Acad Sci, Inst Atmospher Phys, LASG, Beijing 100029, Peoples R China 4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Xu, Ying,Xu, Chonghai,Gao, Xuejie,et al. Projected changes in temperature and precipitation extremes over the yangtze river basin of china in the 21st century[J]. Quaternary international,2009,208:44-52.
APA	Xu, Ying,Xu, Chonghai,Gao, Xuejie,&Luo, Yong.(2009).Projected changes in temperature and precipitation extremes over the yangtze river basin of china in the 21st century.Quaternary international,208,44-52.
MLA	Xu, Ying,et al."Projected changes in temperature and precipitation extremes over the yangtze river basin of china in the 21st century".Quaternary international 208(2009):44-52.

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