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气象:2010,36(5):64-70
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西北太平洋台风频数异常年的气候背景分析
(南京大学大气科学学院, 南京 210093)
Climatic Background Analysis of Abnormal Year for Typhoons in Northwest Pacific
(School of Atmospheric Sciences, Nanjing University, Nanjing 210093)
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投稿时间:2009-04-28    修订日期:2010-02-09
中文摘要: 利用中国气象局整编的热带气旋资料、NCEP再分析资料和Scripps海温资料,分析了台风季西北太平洋台风频数发生年代际和年际异常时的气候背景特征,并且比较分析了造成台风频数发生年代际和年际异常的影响因子的异同。结果表明:台风频数的年代际变化主要和副热带高压和赤道西太平洋的温跃层海温有非常显著的关系,而年际变化则与副高、季风槽、越赤道气流以及赤道中东太平洋的混合层海温都有着密切的联系。
Abstract:With the NCEP reanalysis data, the CMA tropical cyclone data and the Scripps temperature data, the climatic background of interdecadal and interannual abnormal year for typhoons in western North Pacfic was analyzed. It is shown that the interdecadal change in the frequency of typhoons is related to the subtropical high and the SST change of the thermocline in the western equatorial Pacific.The interannual change has a close harmonic connection with the subtropical high, monsoon trough, the cross equatorial flow and the SST change of the mixing layer in the eastern and middle equatorial Pacific.
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基金项目:国家重点基础研究发展项目(2006CB403600), 国家自然科学基金(40775043),教育部留学回国人员科研启动基金资助项目
引用文本:
申松林,江静,2010.西北太平洋台风频数异常年的气候背景分析[J].气象,36(5):64-70.
SHEN Songlin,JIANG Jing,2010.Climatic Background Analysis of Abnormal Year for Typhoons in Northwest Pacific[J].Meteor Mon,36(5):64-70.