| 干旱系统特征参数统计分析方法与应用研究 |
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| 引用本文： | 周振民,周兰香.干旱系统特征参数统计分析方法与应用研究[J].中国农村水利水电,2003(7):7-9. |
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| 作者姓名： | 周振民 周兰香 |
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| 作者单位： | 1. 华北水利水电学院,郑州市,450045
2. 郑州航空工业管理学院,450005 |
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| 摘 要： | 基于对干旱变量的均值、变差系数和序列相关系数等统计参数分析，研究了上述参数对干旱历时和干旱程度的影响，提出了与洪水频率计算公式相类似的极端干旱历时和极端干旱程度计算公式，最后以黄河下游大汶河流域东周水库为例，对有关设计参数进行了计算。
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| 关 键 词： | 干旱频率 统计分析 洪水频率 大汶河流域 |
| 修稿时间： | 2002年10月14 |
Research on Statistic Analysis Methods and Application of Drought System Characteristic Parameters |
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| Zhou Zhenmin,Zhou Lanxiang.Research on Statistic Analysis Methods and Application of Drought System Characteristic Parameters[J].China Rural Water and Hydropower,2003(7):7-9. |
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| Authors: | Zhou Zhenmin Zhou Lanxiang |
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| Institution: | Zhou Zhenmin+1 Zhou Lanxiang+2 |
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| Abstract: | Based on analysis on statistic parameters including mean, coefficient of variation and serial correlation of drought, the foresaid parameters on drought duration and severity were studied. The extremal drought duration and severity expressions were developed. Taking Dongzhou Reservoir as an example, the related design parameters were calculated. |
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| Keywords: | drought frequency drought duration drought severity truncation level |
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