Spatial dynamic modeling for urban development

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A spatial dynamic model (SDM) in a GIS-based urban planning decision support system has been developed for the city of Beihai in southern China. The SDM was used to simulate the dynamic change of the urban spatial structure by considering urban spatial growth as the result of spatial interaction between demand and supply of urban resources. The SDM acts as an analog machine. SDM modeling provides information for decision support in urban planning and land use management. The utility function of spatial choice and a methodology for the construction of the utility function were developed to incorporate socioeconomic factors into the modeling process. Multiple scenarios of urban planning and the consequences of urban spatial growth, as well as the impacts of planning schemes on traffic flow and on the environment, were simulated. Comparisons of simulation results allowed planners to evaluate the planning schemes in decision making.

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Photogrammetric Engineering and Remote Sensing





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