| 我国东部夏季雨带的气候分类及其环流特征 |
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| 引用本文： | 赵汉光,张先恭.我国东部夏季雨带的气候分类及其环流特征[J].气象,1993,19(9):3-8. |
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| 作者姓名： | 赵汉光 张先恭 |
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| 作者单位： | 国家气象中心，中国气象科学研究院 北京 100081，北京 100081 |
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| 摘 要： | 利用主分量分析和Ｋ－均值聚类分析的方法，对我国东部夏季雨带进行客观的气候分类。分析表明：当聚类因子（Ｎ＝４），聚类数（Ｋ＝２）时，第２主分量成分是在所有聚类因子中起决定性的因素，它不仅反映出两类不同雨带类型及其强弱的变化，而且在环流特征上具有显著性的差异。
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| 关 键 词： | 雨带 气候 分类 大气环流 聚类因子 |
The Climatic Classification of Summer Rain Belt in Eastern China and Their Circulation Features |
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| Zhao Hanguang Zhang XiangongNational Meteorological Center Chinese Academy of Meteorological Sciences.The Climatic Classification of Summer Rain Belt in Eastern China and Their Circulation Features[J].Meteorological Monthly,1993,19(9):3-8. |
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| Authors: | Zhao Hanguang Zhang XiangongNational Meteorological Center Chinese Academy of Meteorological Sciences |
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| Institution: | Zhao Hanguang Zhang XiangongNational Meteorological Center Chinese Academy of Meteorological Sciences |
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| Abstract: | Utilizing the principal component and K-mean cluster analysis,the summer rain belts in eastern China have been classified. The results show that the second principal component plays an important role in all cluster factors when the cluster factor of N is equal to 4 and the cluster number of K is equal to 2. It can not only identify two different rain belt types and their strength but also have significant difference in their circulation features. |
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| Keywords: | principal component cluster factor rain belt type |
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