| 西太平洋副高演变特征与华南旱涝的关系 |
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| 引用本文： | 吴毅伟,赖绍钧,吴仕仁,陶丽,杨坚.西太平洋副高演变特征与华南旱涝的关系[J].安徽农业科学,2009,37(30). |
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| 作者姓名： | 吴毅伟 赖绍钧 吴仕仁 陶丽 杨坚 |
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| 作者单位： | 吴毅伟,赖绍钧,吴仕仁(福建省福州市气象局,福建,福州,350014);陶丽(南京信息工程大学,江苏,南京,210044);杨坚(福建省福清市气象局,福建,福清,350300) |
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| 摘 要： | 通过对1951～2000年西太平洋副高4个特征指数的分析发现,年际尺度上西太平洋副高面积和强度指数有3.5年周期,北界指数有2.6年和5年周期,这和华南降水及其异常变化趋势一致,说明西太平洋副高是影响华南降水最主要因素之一。物理量诊断分析表明,西太平洋副高主要是通过500hPa涡度和850hPa散度和水气通量散度的显著变化来影响华南降水异常分布的。
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| 关 键 词： | 西太平洋副高 华南旱涝 演变特征 |
Variation Characters of Subtropical High in West Pacific and Its Relationship with Drought and Flood in Huanan |
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| WU Yi-wei et al.Variation Characters of Subtropical High in West Pacific and Its Relationship with Drought and Flood in Huanan[J].Journal of Anhui Agricultural Sciences,2009,37(30). |
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| Authors: | WU Yi-wei |
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| Institution: | WU Yi-wei et al (Fuzhou Meteorological Bureau,Fuzhou,Fujian 350014) |
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| Abstract: | Analysis of four characteristic indexes of subtropical high in west Pacific showed that the area and intensity indexes of west Pacific subtropical high had a period of 3.5 years and its north boundary index had a period of 2.6 years or 5 years,which were consistent to extremely change tendency of Huanan rainfall.The results also showed subtropical high in west Pacific is one of the most primary factors affect Huanan rainfall.Analysis of physical variables results indicated that subtropical high cause the an... |
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| Keywords: | Subtropical high in west Pacific Drought and flood in Huanan Variation characters |
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