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中文摘要: 统计21年(1970-1990年)进入预报研究区(15-25°N,125°E以西)的热带气旋移向变化情况,分析移向发生突变的季节变化与地理分布等方面的气候特征。研究了热带气旋移向的突变与副热带高压活动、海岸地形的关系,得到一些有意义的结果,为寻找预报判据提供了气候特征的依据。
中文关键词: 热带气旋，移向突变，气候特征
Abstract:Data (1970-1990) of tropical cyclones have been studied by statistical method for those with sudden changes in their moving direction and entered concerned area (15-25°N,West to 125°E). Climatic features, such as seasonal and geographical distributions, have been shown. The relations between the track sudden change and the activity of subtropical high and the terrain factors have been discussed. The results are helpfull in forecasting TC's track sudden change.
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基金项目:＂八五＂国家象科技攻关课题
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引用文本：
胡斯团,黄大文,张儒林,1995.南海北部热带气旋移向突变的气候特征[J].气象,21(8):23-25.
,1995.Climatic Features of Sudden Changes of Tropical Cyclone Track over the Northern Area of South China Sea[J].Meteor Mon,21(8):23-25.
胡斯团,黄大文,张儒林,1995.南海北部热带气旋移向突变的气候特征[J].气象,21(8):23-25.
,1995.Climatic Features of Sudden Changes of Tropical Cyclone Track over the Northern Area of South China Sea[J].Meteor Mon,21(8):23-25.