| Urban spatial structure is spatial interrelation and reciprocity of urban society, economic factor. Concretely it is that urban function region forms interrelation and interdependent aggregation on spatial position according to different economic area condition, embodying city center, wide room , living area, business region and traffic distribution.Research on China's urban development is a profound challenge for both social scientists and decision-maker's. The dilemma is that researcher can scarcely use the existing theories and findings from international urban studies to find the answers, nor can decision-makers obtain the solution from existing experience and Chinese urban studies, given China's unique change in socio-economic and political context for urban development as well as the unique changing process of change in cities themselves. There is, moreover, very little analysis that has taken place focusing on spatial patterns of urbanization and urban spatial structure in the far western interior of the country , and none that we know of that has investigated a sample of Urumqi.Urban spatial structure research was started in western country in 1920s,great success was obtained in practice .It began in China in 1980s but the study scope is limited in eastern coastal area. In order to make city spatial structure more fairly, reasonably, and orderly , and build and manage city better ,much attention has been paid to issues of urban spatial structure ,such as urban industrial spatial structure, residential spatial structure, commercial spatial structure ,and political spatial structure at the end of the 1990s in China. This paper regards Urumqi as study object.Urban planning, urban economic, urban sociology, location theory, area development , ect. are considered as a theory foundation. CIS and Visual Basic are regarded as assistant tool, 1970,1984,1993 land use map is data fountain of the paper.Urumqi is China's largest administrative. The key function of urban is more and more distinct. Therefore, Urumqi become research object and use the analyze function of ARC/INGO, utilize edit function of VB, dealing with 1:10000 ground utilization map. In order to analyze the time and spatial character of urban spatial structure in Urumqi. Therefore, the evolvement of urban spatial structure during urbanization, and landform ingredient bring effect to urban spatial structure is main body.This paper seeks to explain the internal mechanisms of Urumqi urban spatial structure.First, introducing the concept of urban spatial structure , dynamical mechanism of city evolvement, the research purport . Choose through public appraisal the western theory on city.Second, introducing the economic, society, nature condition, looking back the foretyperesearch on urban spatial structure on Urumqi.Third, as an area with the most populous region in Xinjiang , the goal of this paper is to describe and explain on the pass 20 year, the period of most urban rapid, the law of urban spatial structure evolvement..Finally , analyzing the main physical factor that effect the urbanization. The conditions of landform is the basic condition to formalize and change the shape and structure of urban spatial development and expansion. The location of Urumqi is a spot of Physio-geographic importance, and the condition of urban transportation are the key to guide the expansion of urban development.After analyzing Urumqi historical evolution and development processes of the urban morphology, spatial characters, and mechanisms and factors, the paper brings out some suggestion of city plan and construction, and propose the conceiving plan of the urban developing orientation in the future.
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