Factors affecting choice of distribution for flood series

Factors affecting choice of distribution for flood series
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影响洪水系列分布选择的因素

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发表时间:
1985
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通讯作者:
C. Cunnane
C. Cunnane
中科院分区:
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文献类型:
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作者:
C. Cunnane

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模拟洪水序列的候选分布可能给出明显不同的震级-回归期(Q-T)关系,特别是在高T时,本文讨论了先验的理论论点、分布选择的经验标准和以前使用的候选分布之间的区分方法。还考虑了参数估计方法、异常值处理、大历史洪水值的包含、数据转换和洪水人口的因果构成对分布选择的影响。
ABSTRACT Rival candidate distributions for modelling flood series may give markedly different magnitude-return period (Q-T) relationships, particularly at high T, A priori theoretical arguments, empirical criteria for distribution choice and previously used methods of discrimination between candidate distributions are discussed. The effects which method of parameter estimation, treatment of outliers, inclusion of large historical flood values, data transformations and causal composition of the flood population may have on choice of distribution are also considered.