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Temporal-Spatial Evolution Characteristics of Urban Land Green Use Efficiency in Urban Agglomerations—A Case Study of the Yangtze River Delta Urban Agglomeration

In: Proceedings of the 25th International Symposium on Advancement of Construction Management and Real Estate

Author

Listed:
  • Xi Yang

    (Anhui University of Technology)

  • Jiao Hou

    (Central China Normal University)

  • Qingsong Li

    (Anhui Agricultural University)

Abstract

The green use of urban land in urban agglomerations is an important path for the social and economic development of urban agglomerations towards sustainable and integrated development. Take the Yangtze River Delta City Group as an example, using the undesired output super-efficient SBM model to measure the land green use efficiency of 41 cities in the Yangtze River Delta urban agglomeration from 2003 to 2017. On this basis, using kernel density estimation and exploratory spatial data analysis methods to characterize and identify the temporal and spatial pattern evolution characteristics of urban land green use efficiency. The results indicated that: (1) The urban land green utilization efficiency value of the Yangtze River Delta urban agglomeration is on the rise. The average efficiency value has increased from 0.736 in 2003 to 0.773 in 2017, and the number of effective decision-making units has increased from 11 to 13 cities. (2) During the study period, the difference in urban land use efficiency in the Yangtze River Delta urban agglomeration evolved toward a magnified trend and evolved from two-level differentiation to single-polarization. The kernel density curves of each province have their shapes and trajectories in position, kurtosis, peak number, and tail. There is a significant positive global spatial autocorrelation of urban land use efficiency in the Yangtze River Delta urban agglomeration. The local spatial pattern is dominated by HH and LL, supplemented by LH and HL, and geographical existence of spatial neighboring companion effect and spatial proximity spillover effect, forming a spatial pattern of “urban agglomeration and separation”. According to this, according to regional differences, implement different policies according to different regions and cities; Taking advantage of spatial proximity spillover effects and give play to the cooperative linkage effect of cities in improving the green utilization efficiency of land.

Suggested Citation

  • Xi Yang & Jiao Hou & Qingsong Li, 2021. "Temporal-Spatial Evolution Characteristics of Urban Land Green Use Efficiency in Urban Agglomerations—A Case Study of the Yangtze River Delta Urban Agglomeration," Springer Books, in: Xinhai Lu & Zuo Zhang & Weisheng Lu & Yi Peng (ed.), Proceedings of the 25th International Symposium on Advancement of Construction Management and Real Estate, pages 971-985, Springer.
    • Handle: RePEc:spr:sprchp:978-981-16-3587-8_64
    DOI: 10.1007/978-981-16-3587-8_64
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