| 中国东部旱涝型的研究 |
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| 引用本文： | 叶瑾琳,王绍武,李晓东.中国东部旱涝型的研究[J].应用气象学报,1997,8(1):69-77. |
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| 作者姓名： | 叶瑾琳 王绍武 李晓东 |
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| 作者单位： | 1.北京大学地球物理系 |
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| 摘 要： | 文章利用中国东部25个站524年（1470～1993年）的旱涝级别资料分析了中国东部旱涝的空间分布，比较了EOF方法和REOF方法的不同点，研究指出可用6个中心地区的旱涝情况来补充原来划分的6种旱涝型，使得旱涝中心更明确，旱涝分布更符合实际情况，突出体现了REOF在旱涝型研究中的优点。最后给出了近五百年中国东部的主要旱涝中心及特征。
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| 关 键 词： | REOF方法 旱涝性 |
A Study of Drought/Flood Type in Eastern China |
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| Institution: | (Department of Geophysics, Peking University, Beijing 100871) |
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| Abstract: | Spatial pattern of drought/flood was studied based on the drought/flood level time series of 524-year (1470~1993) in 25 stations of eastern China. Due to the differences between EOF and REOF methods, the improvement on the old six drought/flood types was demonstrated by using REOF analysis. It is better to show the factual drought/flood pattern and easier to study temporal characteristics by six key area. Also, the main characteristics of drought/flood in eastern China were described for last five hundred years or so. |
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| Keywords: | Rotated empirical orthogonal function (REOF) analysis Drought/flood type Spatial and temporal characteristics |
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