Study On Water System Programming For Plain River Network Area

The plain river network area is a city developed area with numerous people and at the same time it's also an area with densely covered lakes and lower landform. As a result, Waterlog and Disaster both easily happened to there. The water system of plain river network area has many functions besides Prevent and Control flood, Drainage waterlogging and Water carriage such as providing water resource and greenbelt, protecting environment and nature, tour and entertainment, traffic and culture education etc. All these newly functions of water system bring forward higher requirement to water system programming of plain river network area nowadays.The water system programming is the base of Water Resource, Water Environment, Water Zoology, Water Sight, Water Civilization, Prevent and Control flood, Drainage waterlogging and Water traffic programming etc. The kernel content of it is to set up the main river network which suits to the area integrated water resources programming. It mains to set down a water system layout which satisfies all kinds of water conservancy programming such as Water Resource, Water Environment etc in order to help to the development of area water conservancy.The paper analyses the water resource actuality, physical geography characteristics, city development requirement of the plain river network area firstly, and then to study the water system adjustment and the water conservancy project distribution considering the integrated requirement of many aspects. Besides that the programming must properly deal with the relationships between water system and virescence, environment quality etc in order to realize the harmony of city building and water zoology, and to make a most suitable water system programming. The programming will adjust the existing river and water conservancy project. As a result the state of prevent or control flood of water system will be changed. Accordingly we must make use of the hydrodynamics model of river network to proof if the water programming satisfies the Prevent or Control flood requirement.The paper takes Yangshe area and the new developed area of ZhangJiaGang city as the examples. The water system of Yangshe area is programmed from the macroscopical view, and the emphases is to confirm the skeleton water system. By communicating and dredging rivers, consummating water system's function, fathering river environment, designing the river section and proofing the safety of water system programming etc to design the water system. As a member of Yangshe area, the water system of the new developed area is less and obturated. The emphases lays on how to satisfy the people's needing. By disposing the water conservancy project, confirming the hydrophile flat roof, designing the cross section, setting the water resource problem such as using Man-made marsh and Zoology channel to purify sewage and build zoology freshwaters to incarnate the thought of water system programming nowadays.