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该文通过对闽江下游竹岐水文站1950年至2013年来水来砂观测数据进行假设检验分析,明确水口水电站修建对闽江下游来水影响不存在显著性差异,对闽江下游来砂影响存在显著性差异。使用假设检验的方法对闽江下游来水来砂进行线性回归分析,确定闽江下游来水来砂线性回归方程,可为闽江下游涉水、涉砂活动提供借鉴。
Through hypothesis testing and analysis of the sand observation data from the Zhuqi hydrological station in the lower reaches of Minjiang River from 1950 to 2013, it is found that there is no significant difference in the impact of the construction of Shuikou Hydropower Station on the incoming water in the lower reaches of the Minjiang River, There are significant differences. The linear regression analysis of incoming water from the lower reaches of Minjiang River by hypothesis test method was used to determine the linear regression equation of incoming sand from the lower reaches of Minjiang River, which could provide reference for wading and sand-bearing activities in the lower reaches of Minjiang River.