Acta Geographica Sinica

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Establishing Urban Growth Boundaries Using Constrained CA

LONG Ying1, 2,  HAN Haoying3,  MAO Qizhi1   

  1. 1. School of Architecture, Tsinghua University, Beijing 100084, China;
    2. Beijing Institute of City Planning, Beijing 100045, China;
    3. College of Public Administration, Zhejiang University, Hangzhou 310029, China
  • Received:2008-10-24 Revised:2009-05-13 Online:2009-08-20 Published:2009-09-21
  • Supported by:

    National Natural Science Foundation of China, No.50808112; Postdoctoral Science Foundation of China, No.20080430210

Abstract:

As an effective tool to curb urban sprawl, UGBs (urban growth boundaries) have been paid worldwide attention. According to the implementation mechanism, which is similar to their counterparts in Western countries, the planning urban construction boundaries can be defined as the Chinese UGBs, safeguarded by the latest Town and Country Planning Act enacted in 2008. There are quite a few examples in establishing UGBs. However, the determination of UGBs has not been based on sound scientific analysis in the previous cases. Especially, quantitative analysis was insufficient in the process of determining the boundaries. In this paper, the methodology of constrained CA (cellular automata) was introduced to support the establishment of the UGBs. Compared with traditional methods of establishing UGBs, constrained CA took into account more factors related to urban growth, and could make effective spatio-temporal dynamic simulation influenced by various urban development policies. Taking a case s...更多tudy of Beijing municipal area, we developed the UGBs in the central city, new cities and small towns. The results showed that there was large difference between the urban growth pattern simulated through constrained CA and that projected in the urban master plan. Consequently, the UGBs could be improved according to the simulation result based on constrained CA.

Key words: cellular automata, UGBs, constrained condition, urban growth simulation, construction restricted area, Beijing