Journal of Geographical Sciences

, Volume 21, Issue 1, pp 18–34

The study on county accessibility in China: Characteristics and effects on population agglomeration

  • Zhenbo Wang
  • Jiangang Xu
  • Chuanglin Fang
  • Lu Xu
  • Yi Qi


This paper calculated spatial accessibility of all counties (city, urban district) in China with cost weighted distance method. Region divisions of county accessibility were conducted, and relation of traffic accessibility and population aggregation was discussed in this paper. The results indicated that county accessibility in China had mainly low values and a distribution structure of circle layer and reverse-to-natural gradient. There was an obvious correlation between county accessibility and population density in China. With these analyses, inner mechanisms of population migration in different traffic conditions and region types were revealed, and can provide useful proposals to regional planning, traffic planning and smart distribution of people in China.


county spatial accessibility population aggregation raster cost weighted China 


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Copyright information

© Science in China Press and Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Zhenbo Wang
    • 1
  • Jiangang Xu
    • 2
  • Chuanglin Fang
    • 1
  • Lu Xu
    • 2
  • Yi Qi
    • 2
  1. 1.Institute of Geographic Sciences and Natural Resources ResearchCASBeijingChina
  2. 2.School of Geographic and Oceanographic SciencesNanjing UniversityNanjingChina

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