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Urban Flood Resilience in a Megacity Context: Multidimensional Assessment and Spatial Differentiation in Shenzhen

Author

Listed:
  • Xinyan Huang

    (School of Emergency Management Science and Engineering, University of Chinese Academy of Sciences, Beijing 101408, China)

  • Dawei Wang

    (School of Emergency Management Science and Engineering, University of Chinese Academy of Sciences, Beijing 101408, China)

Abstract

This study assesses urban flood resilience at the subdistrict scale in Shenzhen, China, addressing the lack of fine-grained spatial analysis in existing city-level models. A multidimensional framework integrating natural geography, infrastructure, socioeconomics, emergency management, and risk exposure was constructed, with indicator weights derived from a hybrid Analytic Hierarchy Process–Entropy Weight Method. Spatial autocorrelation analysis (Moran’s I = 0.475, p < 0.001) revealed distinct “resilience fault lines,” with high-resilience clusters in central districts and low-resilience clusters in peripheral industrial belts. Geodetector identified economic intensity (q = 0.46), elevation (q = 0.39), and emergency shelter density (q = 0.37) as dominant drivers, with strong interaction effects. These findings highlight significant resilience inequality, emphasizing the need for targeted, multidimensional interventions to enhance adaptive capacity and inform climate adaptation strategies in rapidly urbanizing coastal megacities.

Suggested Citation

  • Xinyan Huang & Dawei Wang, 2025. "Urban Flood Resilience in a Megacity Context: Multidimensional Assessment and Spatial Differentiation in Shenzhen," Sustainability, MDPI, vol. 17(17), pages 1-21, August.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:17:p:7852-:d:1738818
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    References listed on IDEAS

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    1. Christopher G. Burton, 2015. "A Validation of Metrics for Community Resilience to Natural Hazards and Disasters Using the Recovery from Hurricane Katrina as a Case Study," Annals of the American Association of Geographers, Taylor & Francis Journals, vol. 105(1), pages 67-86, January.
    2. Fan Yang & Suwen Xiong & Jiangang Ou & Ziyu Zhao & Ting Lei, 2022. "Human Settlement Resilience Zoning and Optimizing Strategies for River-Network Cities under Flood Risk Management Objectives: Taking Yueyang City as an Example," Sustainability, MDPI, vol. 14(15), pages 1-22, August.
    3. Jie Liu & Xinyu Wang & Gongjing Gao, 2025. "Spatiotemporal Evolution and Determinants of Urban Flood Resilience: A Case Study of Yellow River Basin," Sustainability, MDPI, vol. 17(4), pages 1-22, February.
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