The Study Of The Influence Of The Wind To The Water Current And Quality Of Nansi Lake And Emergency Countermeasure Of Nansi Lake

To settle the problem that water resource in North China is very short, our country will implement the idea of South-to-North Water Transger Project. After programming and researching for more than 50 years, the scheme that the project will be divided into east route,middle route and west route was chosen from manifold blueprints. The east route project passes through JiangSu, ShanDong and HeBei Province, where the economy develops fast and the population is relatively large in the middle-east of China, so it's an important part of South-to-North Water Transger Project.This article quotes SMS which the US develops (Surface Water Modeling System) the surface water finite element model and the software system, Unifies the lake terrain feature, the design operating mode, the hydrology condition, the hydraulics principle and the pollutant loses moves to the proliferation rule and the mix characteristic and so on, the main simulator study different wind situation function has adjusted the water flow field, the density field influence to the nansi lake, and develops to the nansi lake accidents pollutes the emergency countermeasure research. Draws the conclusion to be as follows:1,Under the different wind situation function, adjusts the influence which the water flow field receives to be also different, the lake district water body speed of flow, flows has the change, the maximum speed of flow increases, makes the lake district circulation to increase, the scope to increase. The different wind direction, the wind speed function form the circulation shape difference is big, the wind speed is bigger the circulation which forms to be more obvious.2,Under the different wind situation function's water facial suture gradient is different, the counter water distribution flows the wind power causes the water distribution water facial suture gradient to increase, flows to the wind power along the water distribution to cause the water distribution water facial suture gradient to reduce.3,The wind action is mainly decided to the lake district water body's influence by the lake district terrain and the scope, the lake district water body speed of flow as well as the wind speed and the wind direction. The shangji lake enters the lake rivers respective lake district waters to be broad, the saprobic zone gets a chill the function influence relatively to be more obvious; The xiaji lake enters the lake rivers respective lake district waters to be narrow, gets a chill the function influence to be small.4,Analyzed enhanced the accident to pollute emergency handling the informationization ability necessity, proposed that south four lake accidents polluted the emergency countermeasure.Northward rerouting of southern river nansi water quality simulator study, is one of northward rerouting of southern river east line project water quality control crucial topics, is the northward rerouting of southern river basin water pollution control plan, the decision-making, the design provides the science reasonable basis, but enhances the basin water pollution control enormously the efficiency and the management level.