大数据与城市规划 (17).pdf
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1、Featured GraphicShrinking cities in arapidly urbanizing ChinaMany cities across particular areas in Europe and North America have a dwindlingpopulation,emerging vacant spaces,and the underuse of existing urban infrastructure(Haase et al.,2014).As one of the more prosperous urbanized countries in the
2、 world,China has witnessed an unprecedented active stage of urban expansion(see the BeijingCity Lab Ranking 8 for details,http:/ alsoattracted extensive attention from academics(Deng et al.,2010).Our previous study on mushingrooming Jiedaos(the basic administrative unit of a cityproper)indicates tha
3、t urbanization in China often involves a significant political dimension.Largely rural settlements(e.g.,Zhen)could be accorded with the city status(e.g.,Jiedao)overnight by administrative power,which further accelerates the urban process(Wu et al.,2015).Meanwhile,some large cities and inshore develo
4、ped cities in East China have attractedhuge numbers of migrants from rural areas and small cities during the last ten years.Vacantvillages have been widely reported in the context of China(Long et al.,2012),while weobserve shrinkage at township and city levels.For all the townships in Mainland China
5、,we estimated their population(residents notHukou)based on the Population Censuses of China in 2000 and 2010,respectively.We foundthat 19882 among all 39007 townships were losing their population during 200010,and thetotal area was 3.24 million km2,which covered almost about one third of the territo
6、ries ofChina(Figure 1).Those shrinking townships are distributed in both rural and urban areas.Among them are 1147 urban townships with a total area of 47420km2in 367 cities.Besides the shrinking townships observed,we further identify 180 shrinking cities inChina including one provincial capital cit
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