Study on spatial structure of retailing based on GIS in Wuhan city

With the agility of market economy, the characteristic of market spatial structure becomes more complex since the reformation and open policy. The spatial structure has broken through the traditional framework which is non-equilibriums and scattered, and represented such modern development character as diversification, grade network, and non-equilibrium. This paper chooses 200 stochastic retailing stores whose acreages all exceed 40m ² in the four circles of Wuhan city, after the analysis of spatial difference on acreages .number population density, and manage forms with GIS spatial methods, and makes a conclusion that the retailing spatial structure of Wuhan city has took on figure of rating circle wholly and frame of centralization-diffusion and enchasing partially; as location is concerned, centralization and diffusion takes place simultaneously, has behaved that retailing concentrated in heartland of city with more favorable traffic and market location by the means of market infiltration, and distributed in suburb more dispersive by market monooolv.