Journal
LAND
Volume 11, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/land11101803
Keywords
urban scaling laws; scaling exponent; scale-adjusted metropolitan indicator; allometric growth; resilient cities; resilience index; scaling patterns
Categories
Funding
- National Natural Science Foundation of China [72104149]
- Academy of Metropolis Economic and Social Development at Capital University of Economics and Business [ZSXM2021003]
- Capital University of Economics and Business: The Fundamental Research Funds for Beijing Universities [XRZ2021048, QNTD202009]
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This study explores the scaling patterns of urban resilience and the relationship between resilience indicators and urban population size through analyzing an empirical case of 267 prefectural-level cities in China. The results show that resilience indicators demonstrate scaling patterns at different scales, and the scale-adjusted metropolitan indicator differs from the commonly used per capita indicator. Therefore, considering scale is necessary when assessing urban resilience performance.
Urban resilience, as an emerging research focus in urban studies, is the capability of an urban system to adapt to the uncertainties and disturbances faced by modern cities. Numerical characterization of an urban system's resilience can be performed with urban resilience indicators. Moreover, as cities evolve with intensive socio-economic interactions, the performances of urban indicators are heavily dependent on the scale of these interactions; these relationships are conceptualized as urban scaling laws. Therefore, this study explores the scaling patterns of urban resilience, analyzing the scaling relationship between different resilience indicators and urban population size, as well as the spatial-temporal evolutions of the scaling patterns. The empirical case is based on 267 prefectural-level cities in China. The results show resilience indicators demonstrate scaling patterns on both spatial and temporal scales. Moreover, the scale-adjusted metropolitan indicator (SAMI) differs from the commonly used per capita indicator. Therefore, the scale needs to be considered when assessing urban resilience performance. Findings in this study indicate that moderate scale enhances resilience, enriching urban resilience theorization and urban scaling laws application. The empirical results in the case study also provide a reference for future urban resilience planning and management.
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