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用实测资料分析比较了出口水位为 31.0 m时 ,洞庭湖调蓄量的变化趋势及影响调蓄量的各种因素。用多元线性回归方法建立了调蓄量经验公式 ,并用该公式计算分析了各因素对调蓄量变化的影响。结果表明 ,该公式能够较全面地反映调蓄量变化的原因 ,且能够近似区分淤积和围垦对调蓄量的影响
The measured data analysis and comparison of the outlet water level of 31.0 m, Dongting Lake Reservoir capacity changes and the impact of various factors of storage capacity. The empirical formula of the storage capacity was established by using the multiple linear regression method, and the influence of various factors on the storage capacity was analyzed by the formula. The results show that the formula can more fully reflect the reasons for the change of storage capacity, and can roughly distinguish the influence of siltation and reclamation on the storage capacity