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辽中南城市群城市规模分布演变特征

期刊名称：地理科学，2010，30（3）：343-349.
时间：0
分类：F291.1[经济管理—国民经济]
作者机构：[1]中国科学院东北地理与农业生态研究所,吉林长春130012, [2]浙江工商大学旅游与城市管理学院,浙江杭州310018
相关基金：基金项目：国家自然科学基金重点项目（40635030）、中国科学院知识创新工程重要方向项目（KZCX2-YW-342-01、KZCX2-YW-321-04）和中国科学院东北地理与农业生态研究所前沿领域项目（KZCX3-SW-NA3-04）资助.
相关项目：东北地区矿业城市人地系统脆弱性与可持续性研究

关键词：城市规模分布, 位序-规模法则, 分形, 辽中南城市群(MSLUA), city-size distribution, rank-scale rule, fractal, urban agglomeration in Middle and south Liaoning Province

中文摘要：

运用城市首位指数、城市规模分布的基尼系数和分形等理论与方法,对改革开放以来辽中南城市群城市规模分布的现状及演变特征进行分析。结果表明,2007年,辽中南城市群城市等级规模结构呈位序-规模分布;城市体系中大城市规模偏大,中等城市偏小,小城市规模较小;城市规模空间分布不均衡,区域分异明显。改革开放以来,辽中南城市群城市规模分布发生显著变化,城市规模与数量均呈快速扩张态势;城市首位指数均不断降低,城市规模结构由首位分布向位序-规模分布转变;城市规模分布的分维数不断增加,城市规模差异逐渐减小,不断向均衡方向发展。在此基础上提出了加快沿海城市带的发展、加强交通基础设施的建设和重视矿业城市转型等建议。

英文摘要：

By using the theories and methods of urban primacy index, fractal and Gini index, the evolution characteristics of city-size distribution of urban agglomeration in the middle and south Liaoning Province since 1982 were analyzed. The results showed that the middle and southern Liaoning urban agglomeration exhibited a city- size distribution following the rank-size rule. The scale of metropolis and big cities was larger, while smaller of medium-sized and small cities in urban system and the spatial distribution of cities was not equal. The city-size distribution of urban agglomeration had changed dramatically since the reform and opening up, with urban size and city numbers rapidly increasing. The primacy indexes showed a declining trend, shifting to rank-size distri- bution from primate distribution. The fractal dimension of city-size distribution of the middle and southern Liaoning urban agglomeration was increasing, and the difference between urban scales was reducing to balance. At lastly, some countermeasures were proposed, such as accelerating the development of the coastal cities, strengthening the transportation infrastructure, and putting more emphasis on the transformation of mining cities.

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