| 中国西北夏季降水量与500hPa纬偏场的特征分析 |
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| 引用本文： | 李栋梁,姚辉.中国西北夏季降水量与500hPa纬偏场的特征分析[J].气象,1995,21(11):22-26. |
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| 作者姓名： | 李栋梁 姚辉 |
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| 作者单位： | 甘肃省兰州干旱气象研究所 |
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| 摘 要： | 选取中国西北５省区（陕、甘、宁、青、新）具有代表性的、分布相对均匀的１２９个测站、１９５９－１９８９年６－８月总降水量资料，利用ＥＯＦ方法进行分解。以特征向量和载荷量的空间分布特征，将中国西北夏季降水量场分布５种空间分布型，从不同方面反映其空间变化特征。
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| 关 键 词： | 降水 降水量 欧亚纬偏场 遥相关 夏季 |
The Characteristic Analysis of Summer Precipitation and 500hpa Latitudinal Deviation Field |
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| Li Dongliang, Yao Hui.The Characteristic Analysis of Summer Precipitation and 500hpa Latitudinal Deviation Field[J].Meteorological Monthly,1995,21(11):22-26. |
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| Authors: | Li Dongliang Yao Hui |
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| Institution: | Lanzhou Drought Meteorological Institute. 730020 |
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| Abstract: | The total precipitation data of 129 representative stations during June to August from 1959 to 1989 in 5 northwestern provinces of China, was resolved by EOF method.The summer precipitation fields was divided into 5 patterns of space distribution.The teleconnection and typical field of the time coefficient and simultaneous Eurasian 500hpa latitudinal deviation field have been compared. The features of circulation field corresponding to the summer precipitation patterns are given in northwestern of China. |
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| Keywords: | natural orthogonal function resolution northwestern summer precipitation Eurasian latitudinal deviation field teleconnection |
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