The Research Of The Water Environment Of Tianjin In The Construction Of Ecocity

The city is a "compound ecosystem of social-economy-nature", and the ecocity is a complicated lesson containing various factors such as the city planning, economy, culture, society, ecology etc. . This article introduces the ecological theory of "limiting factor", begin the research of ecocity by selecting a key factor of the development of a certain city (this text chooses the city of Tianjin).The development of Tianjin can not get away from the synthesizing use of the Haihe River; but since middle of last century, the lacking of water has limited the development of the city; in 21st centuries, the development strategy "the synthesize development of Haihe River" has been made in order to build the image of "northland water city". It can be said that the water environment is both the source of prosperity and the obstruction and opportunity of the future development of Tianjin. Thus to study the water environment is very important to the development of city and the construction of ecocity of Tianjin.In the research, the article studies the surface water environment of Tianjin at first. The article introduces the future structure of the connection of the water system of the center city, based on this, then discusses the meaning to the drain of rainwater, the resourcelization of rainwater and the biologic purifying of water of the connection in the view of disaster preventing of city.The next is to discuss the problem that the groundwater resource are facing with, and the measure to protect it. Then the article discusses the combination of the city ecological net and the water system of Tianjin from the following two aspects: the protection & resumption of the everglade resource and the construction of the green river corridor by utilizing the connected water system; also has a discussion on the planning of the landscape waterside.Finally makes a minute analysis on the practical project of reconstruction of Jinhe River and its shortage in water quality and landscape, some suggestion to improve is also given.