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年最大洪水两变量联合分布研究

方彬, 郭生练, 肖义, 刘攀, 武见

方彬, 郭生练, 肖义, 刘攀, 武见. 年最大洪水两变量联合分布研究[J]. 水科学进展, 2008, 19(4): 505-511.
引用本文: 方彬, 郭生练, 肖义, 刘攀, 武见. 年最大洪水两变量联合分布研究[J]. 水科学进展, 2008, 19(4): 505-511.
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FANG Bin, GUO Sheng-lian, XIAO Yi, LIU Pan, WU Jian. Annual maximum flood occurrence dates and magnitudes frequency analysis based on bivariate joint distribution[J]. Advances in Water Science, 2008, 19(4): 505-511.
Citation: FANG Bin, GUO Sheng-lian, XIAO Yi, LIU Pan, WU Jian. Annual maximum flood occurrence dates and magnitudes frequency analysis based on bivariate joint distribution[J]. Advances in Water Science, 2008, 19(4): 505-511.
shu

年最大洪水两变量联合分布研究

  • 1.

    武汉大学水资源与水电工程科学国家重点实验室, 湖北, 武汉, 430072;

  • 2.

    中国南方电网电力调度通信中心广东广州510620;

  • 3.

    黄河勘测规划设计有限公司, 河南, 郑州, 450000

基金项目: 国家自然科学基金资助项目(50609017);国际科技合作重点项目(2005DFA20520)
详细信息
    作者简介:

    方彬(1981- ),女,福建福州人,博士,主要从事水文水资源规划设计研究.E-mail:fangbin800@sohu.com

  • 中图分类号: TV122.1

Annual maximum flood occurrence dates and magnitudes frequency analysis based on bivariate joint distribution

  • 1.

    State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China;

  • 2.

    Power Dispatching and Communication Center of China Southern Power Grid, Guangzhou 510623, China;

  • 3.

    Yellow River Engineering Consulting Co., Ltd., Zhengzhou 450000, China

Funds: The study is financially supported by the National Natural Science Foundation of China(No.50609017) and the Chinese International Cooperation Research Fund(No.2005DFA20520).

摘要

    摘要
  • 摘要: 采用Von Mises分布拟合年最大洪水发生时间的概率分布,采用皮尔逊Ⅲ型分布拟合年最大洪水量级的概率分布,选用能够较好反映年最大洪水发生时间和量级之间相关结构的Gumbel Archimedean Copula函数,建立两变量联合分布,并定义和分析条件频率、联合频率和两变量重现期.实例分析表明年最大洪水的两变量分布拟合较好,可挖掘更多信息,为洪水设计分析提供了一条新的途径.
    Abstract: Annual maximum flood occurrence dates and magnitudes both can provide important information for the hydraulic engineering design and the reservoir operation.The existing literatures only consider the distribution of flood magnitudes,but ignors the flood occurrence dates.In this paper,Von Mises distribution and Pearson Type Ⅲ distribution are used to describe the occurrence dates and magnitudes of annual maximum flood respectively.A bivariate joint distribution with Von Mises distribution and Pearson Type Ⅲ distribution margins is developed based on the Gumbel Archimedean Copula and used to describe the annual maximum flood series.The approaches for calculating conditional probability,joint probability and bivariate return period are presented.Case study shows that the bivariate joint distribution can fit both occurrence dates and magnitudes of annual maximum flood series well.It can mine more flood information and provide a new way for flood frequency analysis.
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    • 参考文献(14)
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出版历程
  • 收稿日期:  2007-07-23
  • 刊出日期:  2008-07-24

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