本文通过对纵向离散特性的理论分析 ,确定河流纵向离散系数的一般计算公式 .根据三峡库区江段现有六个代表性断面流速分布监测数据 ,采用积分公式计算各河段各个测次的纵向离散系数值 ,将这些纵向离散系数计算值作为一系列有代表性的样本 ,对纵向离散系数的一般计算公式进行回归分析计算 ,得到三峡库区江段的纵向离散系数预测公式 .利用预测公式分析计算三峡库区江段纵向离散特征 Based on the theoretical analysis of longitudinal discrete characteristics, the general formula for calculating longitudinal discrepancy of rivers is established.According to the monitoring data of the flow velocity distribution of six representative sections in the Three Gorges reservoir area, the integral formula is used to calculate the longitudinal As a series of representative samples, these longitudinal discrete coefficient values ​​are used as a series of representative samples, and the general formulas of vertical discrete coefficients are calculated by regression analysis to get the vertical discrete coefficient prediction formula of the Three Gorges reservoir area. Calculate longitudinal discrepancy of the Three Gorges Reservoir