摘要
利用2009年热带气旋资料及西太平洋副热带高压、海温等特征量数据,分析了2009年热带气旋活动特点。结果表明:2009年西北太平洋和南海热带气旋具有生成数较常年偏少,登陆我国较常年偏多,登陆的热带气旋偏弱及登陆地点偏南的特点。热带气旋的这些活动特点与西太平洋副高、赤道东太平洋海温、中纬度大气环流及赤道辐合带的变化等有密切关系。
In this paper,using the tropical cyclones data,the West Pacific subtropical high and the sea surface temperature,the characteristics of tropical cyclone activity is analyzed in 2009.The results showed that the num-ber of tropical cyclones had been generated less,but landed in China in 2009 more than that in the normal years in the Northwest Pacific and South China Sea.The the tropical cyclones landed usually is weaker and landed at the southly sites.These tropical cyclone activity are closely related with the changes of the western Pacific sub-tropical high,the eastern equatorial Pacific sea surface temperature,mid-latitude atmospheric circulation and the ITCZ.
出处
《海洋预报》
2011年第4期30-34,共5页
Marine Forecasts
关键词
西北太平洋
南海
热带气旋
特征
the Northwest Pacific
South China Sea
tropical cyclone
characteristic analysis
