| 浅析历史特大洪水在设计洪水中的作用 |
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| 引用本文： | 费永法.浅析历史特大洪水在设计洪水中的作用[J].水文,1998(6):6-10. |
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| 作者姓名： | 费永法 |
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| 作者单位： | 淮委规划设计研究院 |
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| 摘 要： | 运用统计分析方法，研究了实测系列中加入４种不同情况的历史洪水对设计洪水的影响。结果表明：加入的历史洪水重现期越长，则设计洪水成果的稳定性越好；在同一历史洪水考证期内，加入１－２个历史洪水对提高设计洪水成果的稳定性和精订作用很明显。
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| 关 键 词： | 设计洪水 历史洪水 特大洪水 统计分析 洪水 |
Analysis of Effects of Historical Extraordinary Flood Events on Design Flood |
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| Fei Yongfa.Analysis of Effects of Historical Extraordinary Flood Events on Design Flood[J].Hydrology,1998(6):6-10. |
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| Authors: | Fei Yongfa |
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| Abstract: | The effects of historical extraordinary flood events added to observed flood series on design flood, in four different cases mentioned in this paper, have been studied with statistical method. The results show as the following: (1)The longer return period of the events, the more stable and accurate is the design flood. (2)In the same return period, the effects of improving the precision or stability of design flood are quite visible when the observed flood series is added one or two extraordinary flood events, but invisible on the contrary when more the events are added. (3) Errors of the return period can not influence the events' improving the precision and stability of design flood. (4) Effects of value errors of the events on precision of design flood are more visible than their return period errors. |
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| Keywords: | design flood historical flood extraordinary flood events statistical analysis |
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