过去40年中国城市扩展及其时空差异分析（英文）

发布时间：2017-12-20 04:22

  本文关键词：过去40年中国城市扩展及其时空差异分析（英文）　出处：《Journal of Geographical Sciences》2016年10期 　论文类型：期刊论文

  更多相关文章： urban expansion spatial difference land use spatial morphology China

【摘要】：The urban expansion process in China from the 1970 s to 2013 was retrieved based on remote sensing and GIS technology. With the latest zoning method used as reference, annual expansion area per city, urban expansion type, and fractal dimension index were employed to analyze the Chinese urban expansion characteristics and its spatial difference from the aspects of urban expansion process, influence of urban expansion on land use, and urban spatial morphological evolutions. Results indicate that 1) under the powerful guidance of policies, urban expansion in China went through six different stages, and cities in the eastern region entered the rapid expansion period the earliest, followed by cities in the central, northeastern and western regions; 2) cultivated lands and rural settlements and industrial traffic lands were the important land sources for urban expansion in China; the influence of urban expansion on land use in the eastern region was the strongest, followed by the central, northeastern and western regions; 3) urban spatial morphology tended to be complex and was directly related to the adopted spatial expansion mode. Infilling expansion became the main urban expansion mode in the western region first, then in the central and northeastern regions, and finally in the eastern region. This study establishes the foundation for an in-depth recognition of urban expansion in China and optimization of future urban planning.
【作者单位】： Lab
【基金】：The Young Scientist Fund of National Natural Science Foundation of China,No.41101148
【分类号】：F299.2
【正文快照】： 1 Introduction Urbanization refers to the increase of city number and urban lands,resulting in the concentration of population in urban areas(Gu,2012),and urban expansion is its direct spatial expression form(Liu et al.,2005).As the most drastic form of

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