Hydrodynamic model of lakes and its application

Based on the two-dimension adlittoral non-invariableness flow control equation and the dilution equation of lakes, a hydrodynamic model of lakes was built up. According to the real situation of Tianjin Yuqiao Reservoir, the model simulation for import water period and no-import water period has been done, with the background concentration of reservoir taken as zero. The asymmetrical distribution of water pollutant has a close relationship with the basic form and dynamic parameters of reservoir, such as the shape of lakes, the border and bottom friction and the wind stress, etc. The simulation of water pollutant during no-import water period is simpler than that of import water period. The simulation results of model are consistent with the real distribution of Yuqiao Reservoir.