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利用引水调水现状及实测数据,基于MIKE软件,建立适合贡湖的二维水动力数学模型和污染物质在水体中输移转化运动的平面二维水质模型,并模拟计算在一系列时段内贡湖CODMn、总磷、总氮和氨氮浓度的分布变化。模拟得到以下结果:各项模拟计算值在2005年至2008年间趋近于实际监测值;结果表明:此浓度场模型具有很高的模拟精度,模型参数的选择是合理的。
Based on MIKE software, a two-dimensional hydrodynamic model suitable for Gonghu Lake and a planar two-dimensional water quality model of transport and transformation of pollutants in water bodies are established by using the current water diversion and water diversion status and the measured data. In a series of periods, Lake CODMn, total phosphorus, total nitrogen and ammonia concentration distribution changes. The simulation results show that the calculated values converge to the actual monitored values from 2005 to 2008. The results show that the concentration field model has high simulation accuracy and the choice of model parameters is reasonable.