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Sensitivity Analysis for the Parameters about Two-dimensional Water Quality Model of Songhua River Along Harbin City
Author(s): 
Pages: 177-180
Year: Issue:  12
Journal: Environmental Science and Management

Keyword:  二维稳态衰减模式参数敏感性;
Abstract: 运用灵敏度与线性回归的方法,分析了松花江哈尔滨段二维水质模型中参数的敏感性.结果可知:污水排放量(Qp)= 污水排放浓度(Cp)>河流本底浓度(Ch)>流速(u)>横向扩散系数(My)>降解系数(K1);污水流量(Qp)、污水排放浓度(Cp)、河流本底浓度(Ch)与预测断面污染物浓度均呈正向完全线性相关;降解系数(K1)与预测断面污染物浓度呈负向完全线性相关;流速(u)和横向扩散系数(My)均与预测断面污染物浓度满足幂函数方程,且呈负向完全线性相关;在搜集资料时,要特别注意对流速小数位数的保留.
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