| 长江中下游沿江地区夏季旱涝分型及预测 |
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| 引用本文： | 曹乃和,吴志伟,陈新育.长江中下游沿江地区夏季旱涝分型及预测[J].气象,2003,29(9):37-41. |
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| 作者姓名： | 曹乃和 吴志伟 陈新育 |
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| 作者单位： | 1. 江苏省如皋市气象局,226500
2. 江苏省镇江市气象局 |
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| 摘 要： | 对1961-2000年长江中下游沿江地区8个站夏季（6-8月）累积降水距平进行EOF分析，根据有三个特和下向量将长江中下游沿江地区旱涝趋势异常分成4种主要空间型：旱型、涝型、东旱西涝型、东涝西旱型。并在此基础上，分析了它们与500hPa高度场异常的同时，时滞关系，得到一些对长江中下游沿江地区汛期旱涝异常预测有意义的结果。
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| 关 键 词： | 长江中下游 沿江地区 夏季旱涝 分型 预测 |
Analysis of Drought/Wetness Anomaly Years in the Middle and Lower Reaches of Changjiang River |
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| Cao Naihe,Wu Zhiwei,Chen Xinyu.Analysis of Drought/Wetness Anomaly Years in the Middle and Lower Reaches of Changjiang River[J].Meteorological Monthly,2003,29(9):37-41. |
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| Authors: | Cao Naihe Wu Zhiwei Chen Xinyu |
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| Institution: | Cao Naihe 1 Wu Zhiwei 2 Chen Xinyu 1 |
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| Abstract: | Based on the EOF analysis of summer precipitation of eight stations in the middle and lower reaches of the Changjiang River from 1961 to 2000, four patterns are named according to the first three eigenvectors. Moreover, the 500 hPa height departure in the same and preceding months are analyzed. Some useful relations for the summer precipitation prediction are obtained. |
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| Keywords: | precipitation anomaly EOF analysis composite analysis |
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