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随着长江三角洲经济发展及其面临问题,长三角泛化已成为必然,研究泛长三角空间结构演变有利于正确认识和把握其空间发展态势,从而为泛长三角区域一体化进程提供问题依据。以场强模型为基石,根据扩散理论,构建了场对数扩散效应模型,从城市场这一新视角分析了泛长三角区域空间演进过程。泛长三角城市影响区自改革开放以来经历了疏点-“之”-“几”-“皮皮虾”-“鳊鱼”5种空间形态;根据这一空间形态极其演变规律提炼出疏点类型、散块类型、条带类型、团块类型、板块类型五种空间结构类型;在此基础上,由“以点建轴,以轴布面”思想,以产业结构整体升级为引导,对泛长三角区域进行空间整合,形成由三级中心城市、三级发展轴线以及内核城市群、邻接城市群和外缘城市群组成的核心-边缘结构三级产业城市群。
With the economic development of the Yangtze River Delta and its problems, the generalization of the Yangtze River Delta has become inevitable. Studying the evolution of the spatial structure of the Pan-Yangtze River Delta is conducive to correctly understanding and grasping the spatial development trend and providing the basis for the process of the integration of the Pan-Yangtze River Delta. Based on the field strength model, according to the diffusion theory, a logarithmic diffusion effect model is constructed. From the perspective of urban market, the spatial evolution of the pan-Yangtze River delta region is analyzed. Pan-Yangtze River Delta urban area of influence since the reform and opening up has gone through the sparse point - “” - “few ” - “Pippi shrimp ” - “catfish ” five kinds of space morphology; according to this space According to the extremely evolving law of shape, five kinds of spatial structure types, such as sparse point type, bulk type, band type, mass type and plate type, are refined. Based on this, , With the overall upgrading of the industrial structure as a guide, the Pan-Yangtze River Delta Region will be spatially integrated to form a core-periphery structure consisting of a tertiary city, a tertiary development axis and a core urban agglomeration, an adjacent urban agglomeration and a peripheral urban agglomeration Level industrial city group.