【摘要】 以"大东湖生态水网"工程的实施为契机,应用MIKE21软件对武汉东湖引水工程进行数值模拟.利用东湖2008年6月和7月实测的水深、TN和TP数据率定了模型参数(床底摩擦力和涡粘系数),并利用2010年7月实测数据建立水动力学模型和对流扩散模型,模拟了四种引水工况下模型运行35 d之后东湖水体中TN、TP浓度分布情况,并比较四种工况的模拟结果.结果表明:在设置两个引水口以及考虑风速影响的情况下,东湖水体中TN、TP浓度分布最均匀.对"大东湖生态水网"工程的实施具有一定的指导意义.更多还原

【Abstract】 Based on the "Project of East Lake Hydrology Network",a numerical model of diversion project of East Lake was established using MIKE21.A calibration of the model parameters(the bed resistance and the eddy viscosity) were performed by the water depth,the concentrations of total nitrogen and total phosphorus which were measured in East Lake in June and July in 2008.The hydrology model and the transport model are established by the measured value in East Lake in July,2010.Four diversion conditions have been simulated.The distribution of total nitrogen and total phosphorus after 35 d’ running have been established.Comparison of the simulated results of the four diversion conditions shows under the conditions of two inflows and considering both wind,the concentration,the distributions of total nitrogen and total phosphorus are the most uniform.This fining is important for the "Project of East Lake Hydrology Network".更多还原