Optimization Transmission Theory and Technical Pathways that Describe Multiscale Urban Agglomeration Spaces |
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| Authors: | Chuanglin Fang Junyan Yang Jiawen Fang Xiejun Huang Yi Zhou |
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| Institution: | 1.Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing,China;2.College of Resources and Environment,University of Chinese Academy of Sciences,Beijing,China;3.School of Architecture,Southeast University,Nanjing,China;4.School of Public Policy,University of Southern California,Los Angeles,USA;5.College of Resources and Environmental Engineering,Wuhan University of Technology,Wuhan,China;6.Institute of Remote Sensing and Digital Earth,Chinese Academy of Sciences,Beijing,China |
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| Abstract: | Urban agglomerations are spatial entities that promote the development of ‘new urbanization’ processes within China. In this context, the concept of ‘multiscale urban agglomeration spaces’ encompasses three linked levels: macroscale urban agglomerations, mesoscale cities, and microscale urban centers. Applying a series of multidisciplinary integrated research methods drawn from geography, urban planning, and architecture, this paper reveals two intensive utilization laws that can be generalized to apply to multiscale urban agglomeration spaces, top-to-bottom ‘positive transmission’ linkage and inside-to-outside ‘negative transmission’ movement. This paper also proposes optimization transmission theory and policy decision technical pathways that can be applied to these three urban agglomeration spatial scales. Specific technical pathways of transmission include intensive expansion and simulated decision-making in macroscale urban agglomerations, ecology, production, and living space intensive layout and dynamic decision-making in mesoscale cities, and four cores (i.e., ‘single, ring, axis, and pole core’) progressive linkage and intensive optimization decision-making in microscale urban centers. The theory and technical pathways proposed in this paper solve the technical problem of optimization and provide intensive methods that can be applied not only at the individual level but also at multiple scales in urban agglomeration spaces. This study also advances a series of comprehensive technical solutions that can be applied to both compact and smart growth cities as well as to urban agglomerations. Solid theoretical support is provided for the optimization of Chinese land development, urbanization, agricultural development, and ecological security. |
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