What is the quality of urban expansion under different expansion patterns? A study of Chinese cities

IF 6.6 1区 经济学 Q1 URBAN STUDIES
Sui Liu , Zhaomin Tong , Yaolin Liu , Huiting Chen , Yanfang Liu
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Abstract

The promotion of sustainable development widely acknowledges the importance of achieving reasonable and healthy urban expansion. This study proposes a people-land-industry-environment (PLIE) framework to evaluate the quality of urban expansion (QoUE) in Chinese cities during 2010–2015 and 2015–2020. The results reveal that: 1) The dominant urban expansion patterns in Chinese cities are shifting, leading to a more compact urban form. 2) During the study periods, QoUE values ranged from (0, 59.00] and (0, 61.18], respectively. The high-high clusters of QoUE are mainly in Beijing-Tianjin-Hebei, Yangtze River Delta, Pearl River Delta urban agglomeration and Upper Yangtze River region. The low-low units are in Shandong and Xinjiang, respectively. The spatial clustering of infilling and edge-expansion quality enhances. And the values of the indicators on infilling and edge expansion patches are higher. 3) The tertiary industry as percentage to GDP (TIP) positively affects QoUE at a global scale, and the other factors affect QoUE at varying scales and directions. The results offer policy implications for sustainable land use and high-quality urban development. Moreover, the concept of urban expansion evaluation can be adapted and extended for broader applications.
不同扩张模式下的城市扩张质量如何?中国城市研究
促进可持续发展广泛承认实现合理和健康的城市扩张的重要性。本文提出了2010-2015年和2015-2020年中国城市扩张质量评价的人-地-业-环境(PLIE)框架。结果表明:1)中国城市的主导扩张模式正在发生转变,城市形态趋于紧凑化;2)研究期间,QoUE值分别为(0,59.00)和(0,61.18)。高-高集聚区主要分布在京津冀、长三角、珠三角城市群和长江上游地区。低-低单元分别位于山东和新疆。填充和边展质量的空间聚类性增强。填充斑块和边缘膨胀斑块的指标值较高。(3)第三产业占GDP的比重在全球范围内对QoUE有正向影响,其他因素对QoUE有不同规模和方向的影响。研究结果为可持续土地利用和高质量城市发展提供了政策启示。此外,城市扩张评价的概念可以进行调整和扩展,以获得更广泛的应用。
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来源期刊
Cities
Cities URBAN STUDIES-
CiteScore
11.20
自引率
9.00%
发文量
517
期刊介绍: Cities offers a comprehensive range of articles on all aspects of urban policy. It provides an international and interdisciplinary platform for the exchange of ideas and information between urban planners and policy makers from national and local government, non-government organizations, academia and consultancy. The primary aims of the journal are to analyse and assess past and present urban development and management as a reflection of effective, ineffective and non-existent planning policies; and the promotion of the implementation of appropriate urban policies in both the developed and the developing world.
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