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Estimation of Generalized Pareto Distribution from Censored Flood Samples using Partial L-moments

机译:使用局部L矩估计删失洪水样本的广义帕累托分布

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The use of partial L-moments (PL-moments) for estimating hydrological extremes censored data is compared to that of simple L-moments. Expressions of parameter estimation are derived to fit the generalized Pareto (GP) distribution based on PL-moments approach. A Monte Carlo analysis examined the sampling properties of PL-moments and the results showed that with censoring flood samples up to 0.2 are similar to those of simple L-moments. Finally, both PL-moments and L-moments are used to fit the GP distribution to 32 annual maximum flow series of River Golok in Kelantan, and it is found that PL-moments produce a better fit to the larger flow values than simple L-moments.
机译:比较了使用局部L矩(PL矩)估计水文极端检查数据与简单L矩的情况。基于PL矩法,推导参数估计表达式以适合广义Pareto(GP)分布。蒙特卡洛分析检查了PL矩的采样特性,结果表明,在审查洪水样本时,最多0.2个样本与简单L矩的样本相似。最后,PL矩和L矩都用于拟合吉兰丹河Golok河32个年度最大流量序列的GP分布,并且发现PL矩比简单的L矩更适合较大的流量值。片刻。

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