Simulation of Salinity in Artificial Lake in Coastal Region

An artificial lake in coastal region was built based on from a sewage reservoir by clearing sediment. Because the high-salinity sediment on the bottom of the Lake and the high-salinity water body around the Lake, salinity of the lake will increase with time. It is necessary to predict and control salinity of the lake. Based on the field investigation on the sediment and water body around the lake, EFDC (environmental fluid dynamic code) was used to simulate the distribution of salinity in the Lake. Simulation shows that more kinds of water sources in different points not only ensure the control of salinity also ensure hydraulic circulation. The results provide the theoretical support for the scheme of supplying water.