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Analysis of the Influence of Sub-centers Based on Population Potential: Focus on Busan Metropolitan City in 1970-2010

김호용 1,  Kwangwoo Nam 2

1Missouri University of Science and Technology
2경성대학교

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ABSTRACT

This study purposed to examine the trend in the operability of sub-centers those are centripetal points forming the urban multi-nuclei structure. For this purpose, we analyzed the temporal and spatial patterns of change in population centripetal force by applying the population potential function to five sub-centers of Busan during from 1970 to 2010. According to the results of the analysis, all of the five sub-centers had influenced as the center of the area, but as a whole, the stage of deconcentration in the urban development process was observed, suggesting a trend evolving toward an inefficient spatial structure. In the results of analysis by sub-center, the Hadan area had maintained its influence continuously, but Dongrae and Gupo had been losing their influence steadily. In addition, the influence of the Sasang area was below the average. In case of Haeundae, its influence kept decreasing until 2000 and rebounded from that time on. In the current situation, Busan needs reurbanization for establishing an efficient urban spatial structure, and for this, it is necessary to make management plans for the functions of the downtowns and adjoining areas in order to strengthen the population centripetal force of the sub-centers.

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