The distribution of urban living space in Lanzhou and their causes analysis

Urban living space is one of the main content of the urban space.With the deepening of the housing system reform in China,the residential spatial structure has gradually assumed a complex shape along with its tremendous changes in valley-city.Lanzhou city is a typical valley-city.It is crucial and necessary to show the Lanzhou's living space in order to guide the valley-city's housing development and optimize the urban living space structure.Based on the statistical data and the investigation,this paper ties to open up the living space distribution rule of Lanzhou city from the quantitative analysis of angle by means of Arcgis software space analysis function.As far as living space structure is concerned,the three characteristics of living space distribution are identified: ① The living space along the city traffic line concentration distribution;② The regional layout disequilibrium;③ The residential space differentiation phenomenon previews of characteristics.At last Lanzhou city living space distribution formation reasons was researched from the natural geographical environment,urban planning,housing system,the development of real estate and traffic construction.