【摘要】 线性矩法在水文频率分析中具有理论优势,但因为计算复杂而实际应用较少。为使该法在实践中得到推广应用,开展了线性矩法在水文频率分析中的实用化研究,设计开发了基于线性矩法的水文频率分析软件。该软件采用数值积分算法计算有关概率分布的函数值,有效提高了成果的精度。主要介绍研究思路、关键技术及其应用实例。更多还原

【Abstract】 The L-moment method has theoretical advantages in hydrologic frequency analyses,but less practical application because of its complexities in calculation.In order to popularize its application,the practical research on L-moment method of hydrologic frequency analyses is carried out,and hydrologic frequency analysis software based on the L-moment method is developed.The probability distribution functions are calculated by numerical algorithms in the software,and the accuracy of the results are effectively improved.This paper introduces research ideas,key technologies and application examples.更多还原