%0 Journal Article
%T Analysis of Extreme Weather Events in Beijing during 1951-2008<br>1951~2008年北京极端天气事件分析
%A Li Shuyan
%A Ma Jingjin
%A Xuan Chunyi
%A Wang Ji
%A <br>李书严
%A 马京津
%A 轩春怡
%A 王冀
%J 气候与环境研究
%D 2012
%I 
%X Based on the daily observation data during 1951-2008,the change of extreme weather events in Beijing are analyzed.Results show that:(1) The annual mean temperature,minimum temperature,and mist events show increasing trends of 0.39 ℃·(10 a)-1,1.0 ℃·(10 a)-1,and 12.4 d·(10 a)-1 respectively.The maximum 24-h rainfall shows a decreasing trend of-10.8 mm·(10 a)-1,rain days,humidity,gale,and thunder storm decrease at different extent -1.90 d·(10 a)-1,-1.17%(10 a)-1,-2.64 d·(10 a)-1,and-1.24 d·(10 a)-1],sand and dust events show a decreasing trend of-9.39 d·(10 a)-1.The maximum temperature,the maximum rain intensity(60 min),and rainstorm,frost,fog,high temperature events have little change.(2) Rainstorm,high temperature,the maximum temperature,and sand and dust events have no remarkable periodicity.Thunder storm,frost,the minimum temperature,the maximum 24-h rainfall,and mist events have periodical variation,their main periods are 6 a,7 a,16 a,12 a,and 12 a,respectively.(3) Urbanization has an effect on the warming records in Beijing.Extreme weather events may be influenced by certain weather systems,with less correlation with city development.
%K Beijing
%K extreme weather events<br>北京
%K 极端天气事件
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=28A2F569B2458C17&jid=484C10BAB5333C14751916EACFF8295F&aid=C4328194C4128722719D5FCFF386AACB&yid=99E9153A83D4CB11&vid=BCA2697F357F2001&iid=0B39A22176CE99FB&sid=5B5B75F4854B8331&eid=1D01216AD76577EC&journal_id=1006-9585&journal_name=气候与环境研究&referenced_num=0&reference_num=14