Using Partial L-Moments for Flood Frequency Analysis in the Northern Shaanxi
作者: 王俊珍 ：贵州省大坝安全监测中心，贵州 贵阳;
Abstract: The northern Shaanxi province suffers serious and frequent flood disasters. In order to provide an efficient and reliable theoretical basis for design of the flood control project in this area, the Partial L-Moments was used for flood frequency analysis based on introducing the principles of Partial L-Moments. The annual maximum flood series of seven hydrologic stations (Jiaokou, Zhaoshiyao, Sudie, Liujia, Zhangjiashan, Zhidan and Shenmu) were used to estimate the parameters of Generalized Extreme Value (GEV) distribution by proposed method. The design floods were calculated and the flood frequency curve was fitted. Then the cumulative of squares error was regarded as an indicator to evaluate the effect and compared with the traditional method of moments. The results show that with censored level F0 value increases, the relative deviation of the design value is smaller. Partial L-Moments can describe the data better in flood analysis and improve the estimation precision of design floods. Partial L-Moments is a reasonable and effective method and can be used for flood frequency analysis in the northern Shaanxi province.
文章引用: 王俊珍 (2015) 部分线性矩在陕北地区洪水频率分析中的应用。 水资源研究， 4， 154-161. doi: 10.12677/JWRR.2015.42018
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