RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2005, Vol. 14 >> Issue (6): 679-683.

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A FRACTAL STUDY AND OPTIMIZATION ON SPATIAL DISTRIBUTION OF URBAN IN HANSHUI VALLEY

DENG Zutao， LU Yuqi   

  • Received:2005-01-21 Revised:2005-05-25 Online:2005-11-20
  • Contact: DENG Zu-tao

Abstract: Valley spatial structure study is beneficial for the further development of spatial structure theories based on the concrete region type. Research on urban spatial structure is an important part of valley spatial structure. Taking Hanshui valley as an example, urban scale structure and spatial distribution are studied, and some conclusions are drawn: urban system is relatively perfect, but the urban primacy index is too big, scale distribution is lopsided; urban density is comparatively big, spatial distribution is seriously unbalanced; characteristics along axis direction of urban distribution is obvious. The important characteristics of urban spatial distribution is proved by using difference degree and correlation dimension. Some proposals are put forward for the optimization of urban system such as strengthening bibcock status of Wuhan as primary central urban; building growth triangle in XiangfangShiyanNanyang; developing actively local level central urban and increasing the construction of regional spatial structure axis.

Key words: Hanshui valley, urban spatial structure, fractal dimension, optimization

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