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Polycentric Spatial Structure Evolution and Influencing Factors of the Kunming–Yuxi Urban Agglomeration: Based on Multisource Big Data Fusion

Author

Listed:
  • Jun Zhang

    (School of Architecture and Planning, Yunnan University, Kunming 650031, China)

  • Runni Zhang

    (School of Architecture and Planning, Yunnan University, Kunming 650031, China)

  • Xue Zhang

    (School of Architecture and Planning, Yunnan University, Kunming 650031, China)

  • Xiaodie Yuan

    (School of Architecture and Planning, Yunnan University, Kunming 650031, China
    School of Geography and Planning, Sun Yat-sen University, Guangzhou 510275, China)

Abstract

The polycentric spatial structure is the most common spatial form of urban agglomerations, so exploring the evolution of this structure and analyzing its influencing factors is of great significance for the optimization of the spatial structure of urban agglomerations. However, there are relatively few studies on the topic that fuse multisource big data analysis, especially in the urban agglomeration of Western China. Therefore, this study uses a fusion of nighttime light (NTL) data, point of interest (POI) data and LandScan data to identify the polycentric spatial structure and its evolution in the Kunming–Yuxi (Kunyu) urban agglomeration and analyzes the factors that have dominated its evolution at different periods using geographic detectors. Results show that the fusion of multisource big data are more in line with the actual development process of the Kunyu urban agglomeration and the factors that have dominated the spatial evolution at different periods vary but the government and sectors have gradually become increasingly important. This study provides a feasible path for exploring urban spatial evolution through the fusion analysis of multisource big data in the Kunyu urban agglomeration and provides a reference for the key directions of urban agglomeration planning and development at different periods.

Suggested Citation

  • Jun Zhang & Runni Zhang & Xue Zhang & Xiaodie Yuan, 2023. "Polycentric Spatial Structure Evolution and Influencing Factors of the Kunming–Yuxi Urban Agglomeration: Based on Multisource Big Data Fusion," Land, MDPI, vol. 12(7), pages 1-18, July.
    • Handle: RePEc:gam:jlands:v:12:y:2023:i:7:p:1340-:d:1186620
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    References listed on IDEAS

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    2. H. P. U. Fonseka & H. M. R. Premasiri & S. P. Chaminda & Hongsheng Zhang, 2024. "Morphological and Functional Polycentric Urbanization in Colombo Metropolitan of Sri Lanka Using Time-Series Satellite Images from 1988–2022," Sustainability, MDPI, vol. 16(17), pages 1-17, September.

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