Analysis Of Ecological Mechanism Of Urban Flood And Study Of New Stormwater Drainage System

With the acceleration of urbanization these years, the frequency of waterlogging increases and subsidence of ground exacerbates in some eco-vulnerable cities of China, while traditional stormwater drainage system has become one of the causes. In this dissertation waterlogging of Hangzhou in the past years is surveyed. Illustrated with Yellow Dragon sports center at Yanshan River drainage basin , with the methodology of ecology and system , this dissertation quantitatively discusses the relation between urbanization and urban hydro-ecological environment problems, and the resolvent of stormwater drainage which can improve urban water circulation, protect hydro-ecological environment and be advantageous to urban disaster reduction from the point of view of water environment integrated renovation and disaster prevention, provide a dependable guarantee for the urban sustainable development.