长江流域资源与环境 >> 2011, Vol. 20 >> Issue (06): 641-.

• 区域可持续发展 •    下一篇

长江三角洲城市群城镇体系演化时空特征

孙贵艳,王传胜,肖磊,金凤君   

  1. (1.中国科学院地理科学与资源研究所,北京100101;2.中国科学院研究生院,北京100049)
  • 出版日期:2011-06-20

TEMPORALSPATIAL CHARACTERISTICS OF EVOLUTION OFTHE URBAN SYSTEM IN THE YANGTZE RIVER DELTA

SUN Guiyan1|2| WANG Chuansheng1| XIAO Lei1|2| JIN Fengjun1   

  1. (1.Institution of Geography Science and Nature Resources Research, Chinese Academy of Science, Beijing 100101, China;2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China)
  • Online:2011-06-20

摘要:

基于长江三角洲城市群1986~2007年各市县(区)非农业人口资料,应用位序规模法则、ROXY指数、城市影响力等多种定量方法,结合相应定性分析,系统研究了其城镇体系发展中的规模结构及空间结构演化特征。研究结果表明:城市群处于缓慢分散趋势中,中等城市数量的显著增加,非农人口集聚重心从传统大城市逐渐向中小城市转移;上海是区域中心城市,在区域发展中发挥着主导作用,且影响力远超过本区域范围;以上海为中心,沪宁、沪杭、长江为轴线形成较显著的城市影响力圈层结构,江苏的兴化、高邮地区以及浙江杭州西部、台州等广大地域受大城市的带动作用较弱;〖JP2〗上海-苏州-无锡形成内部联系紧密、层级结构模糊的一体化“城市区域”,既是长三角的“核心区”,也是城镇连绵发展的高级形态;尽管在二线城市中缺乏规模优势,南京与杭州因地理位置发挥了突出的区域带动作用,实际上承担着区域副中心角色;围绕核心区与两个副中心,长三角构筑成“>”型城镇发展主轴

Abstract:

Based on nonagricultural population data from 1986 to 2007,by using qualitative analysis and various quantitative methods such as scalerank law,ROXY law and so on,this paper systematically analyzed temporalspatial characteristics of the evolution of urban system in the Yangtze River Delta,in view of two core issues in development of urban system:grade scale structure,spatial structure.The results showed that:urban agglomeration was in the trend of decentralization,the number of mediumsized cities increased significantly,and the nonagricultural population concentration of gravity gradually transferred from the traditional big cities to the small and mediumsized cities.Shanghai was the key city in the region.It played a leading role in the regional development,and influenced far beyond the scope of the region.Took Shanghai as the center,Nanjing,ShanghaiHangzhou,the Yangtze River as the axis to form the remarkable significant layer structure,Xinghua,Gaoyou,western region of Hangzhou,Taizhou were less affected by big cities.ShanghaiSuzhouWuxi formed the “urban area” of close internal linkages and fuzzy hierarchy,which was “core area” of the Yangtze River Delta and advanced form of continuous development of urban.Despite the lack of scale advantages in the secondtier cities,Nanjing and Hangzhou played a prominent role in the region due to their location,that is,actually take the role of the regional subcenter.Around the core area and two vice center,the Yangtze River Delta built a “>” type of urban development spindle

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