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An analysis of mid-summer rainfall occurrence in eastern china and its relationship with large-scale warming using generalized linear models

文献类型:期刊论文

作者Wang, Yi1,3; Yan, Zhongwei1; Chandler, Richard E.2
刊名International journal of climatology
出版日期2010-10-01
卷号30期号:12页码:1826-1834
关键词Generalised linear model Daily rainfall occurrence Temperature Dry and wet spell Large-scale warming Eastern china
ISSN号0899-8418
DOI10.1002/joc.2018
通讯作者Yan, zhongwei(yzw@tea.ac.cn)
英文摘要Daily rainfall occurrence in mid-summer (july and august) in eastern china was analyzed using binomial generalized linear models based on observations at 303 stations during 1961-2007. the models include an intraseasonal variation, previous days' rainfall to represent the markov chain structure of daily rainfall occurrence, and the south north thermal gradient in eastern china, expressed by a zonal mean temperature difference in the region. to represent a large-scale climate background. the zonal temperature difference between south and north china exhibits a strong effect on the regional pattern of rainfall occurrence at an inter-annual timescale. a weakened thermal gradient in association with large-scale warming can thus be linked with more frequent precipitation in southern china but less in northern china during the last few decades. the zonal temperature difference was also found to modulate the local autocorrelation of rainfall occurrence. in particular. a weakened thermal gradient (1 degrees reduction) leads to an increase of about 10% in the probability of rain following a dry day in southern china. but a decrease of more than 10% in northern china. consequently, current large-scale warming and hence a decreased zonal temperature difference in eastern china has prolonged (shortened) the duration of dry spells in northern (southern) china by about 20% (15%). copyright (c) 2009 royal meteorological society
WOS关键词PRECIPITATION ; CLIMATE ; TRENDS
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000283201300008
出版者JOHN WILEY & SONS LTD
URI标识http://www.irgrid.ac.cn/handle/1471x/2407583
专题中国科学院大学
通讯作者Yan, Zhongwei
作者单位1.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Res Temperate E Asia, Beijing, Peoples R China
2.UCL, Dept Stat Sci, London WC1E 6BT, England
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Wang, Yi,Yan, Zhongwei,Chandler, Richard E.. An analysis of mid-summer rainfall occurrence in eastern china and its relationship with large-scale warming using generalized linear models[J]. International journal of climatology,2010,30(12):1826-1834.
APA Wang, Yi,Yan, Zhongwei,&Chandler, Richard E..(2010).An analysis of mid-summer rainfall occurrence in eastern china and its relationship with large-scale warming using generalized linear models.International journal of climatology,30(12),1826-1834.
MLA Wang, Yi,et al."An analysis of mid-summer rainfall occurrence in eastern china and its relationship with large-scale warming using generalized linear models".International journal of climatology 30.12(2010):1826-1834.

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来源:中国科学院大学

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