Development and application of IWHR rainstorm flood frequency analysis and calculation software based on conventional moments and L-moments
ZHAO Liping1,2, XING Xigang3, WANG Gang1,2, JIANG Xiaoming1,2, ZHOU Yanxian4, CHEN Sheng1,2, KANG Yajing5
1. China Institute of Water Resources and Hydropower Research, Beijing 100038; 2. Research Center on Flood and Drought Disaster Reduction of the Ministry of Water Resources, Beijing 100038; 3. General Institute of Water Resources and Hydropower Planning and Design, Ministry of Water Resources, Beijing 100120; 4. Chuhe River Administration Office, Nanjing 210048; 5. Hebei Institute of Investigation & Design of Water Conservancy & Hydropower Co., Ltd., Tianjin 300250
Abstract：At present, there are few systematic software for rainstorm and flood frequency analysis and calculation. In order to resolve this problem, the software of IWHR rainstorm and flood frequency analysis based on conventional moments and L-moments was developed. The software can realize manual and automatic parameter tuning based on continuous data sequence or discontinuous data sequence, and the automatic parameter tuning includes the conventional moments and L-moments. In this paper, the software is introduced and the test of conventional moments and L-moments is compared and analyzed. The results show that the L-moments can be used to estimate the parameters more accurately and reliably than the conventional moments, and it can resolve the problem that the calculation results based on the conventional moments parameter estimation method are small, and provide scientific support and basis for engineering design and engineering scale determination.
赵丽平, 邢西刚, 王刚, 姜晓明, 周艳先, 陈胜, 康亚静. 基于常规矩与线性矩的IWHR暴雨洪水频率分析计算软件研发与应用[J]. 中国防汛抗旱, 2022, 32(2): 44-48.
ZHAO Liping, XING Xigang, WANG Gang, JIANG Xiaoming, ZHOU Yanxian, CHEN Sheng, KANG Yajing. Development and application of IWHR rainstorm flood frequency analysis and calculation software based on conventional moments and L-moments. journal1, 2022, 32(2): 44-48.
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2022, Vol. 32 
