Enhancing urban resilience through machine learning-supported flood risk assessment: integrating flood susceptibility with building function vulnerability

Abstract Urban flooding threatens urban resilience and challenges SDGs 11 and 13. This study assesses urban building flood risk in Guangzhou by integrating flood susceptibility with building function vulnerability. Using a Random Forest (RF) model, it predicts flood susceptibility based on flood rec...

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Main Authors: Xiaoling Qin, Shifu Wang, Meng Meng, Haiyan Long, Huilan Zhang, Haochen Shi
Format: Article
Language:English
Published: Nature Portfolio 2025-05-01
Series:npj Urban Sustainability
Online Access:https://doi.org/10.1038/s42949-025-00208-w
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author Xiaoling Qin
Shifu Wang
Meng Meng
Haiyan Long
Huilan Zhang
Haochen Shi
author_facet Xiaoling Qin
Shifu Wang
Meng Meng
Haiyan Long
Huilan Zhang
Haochen Shi
author_sort Xiaoling Qin
collection DOAJ
description Abstract Urban flooding threatens urban resilience and challenges SDGs 11 and 13. This study assesses urban building flood risk in Guangzhou by integrating flood susceptibility with building function vulnerability. Using a Random Forest (RF) model, it predicts flood susceptibility based on flood records, hydrological, topographical, and anthropogenic features. The Categorical Boosting (CatBoost) model identifies building functions using POI and AOI data. Results reveal significant spatial variations: central districts exhibit higher flood susceptibility, while peripheral areas remain less affected. Over half of the buildings are moderately vulnerable, with only a small fraction highly vulnerable. Based on flood susceptibility and functional vulnerability, Guangzhou is classified into three district types: central urban (Type I), intermediate urban (Type II), and suburban/rural (Type III). The study underscores the need for tailored flood risk management strategies to address these disparities and mitigate climate change-induced water hazards.
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institution OA Journals
issn 2661-8001
language English
publishDate 2025-05-01
publisher Nature Portfolio
record_format Article
series npj Urban Sustainability
spelling doaj-art-19cfc5936e084b15a4fa80cf023592c82025-08-20T01:47:29ZengNature Portfolionpj Urban Sustainability2661-80012025-05-015111910.1038/s42949-025-00208-wEnhancing urban resilience through machine learning-supported flood risk assessment: integrating flood susceptibility with building function vulnerabilityXiaoling Qin0Shifu Wang1Meng Meng2Haiyan Long3Huilan Zhang4Haochen Shi5School of Architecture, South China University of TechnologySchool of Architecture, South China University of TechnologySchool of Architecture, South China University of TechnologySchool of Architecture, South China University of TechnologyGuangzhou Urban Planning And Consulting CO.,LTDCollege of Architecture and Urban Planning, Guangzhou UniversityAbstract Urban flooding threatens urban resilience and challenges SDGs 11 and 13. This study assesses urban building flood risk in Guangzhou by integrating flood susceptibility with building function vulnerability. Using a Random Forest (RF) model, it predicts flood susceptibility based on flood records, hydrological, topographical, and anthropogenic features. The Categorical Boosting (CatBoost) model identifies building functions using POI and AOI data. Results reveal significant spatial variations: central districts exhibit higher flood susceptibility, while peripheral areas remain less affected. Over half of the buildings are moderately vulnerable, with only a small fraction highly vulnerable. Based on flood susceptibility and functional vulnerability, Guangzhou is classified into three district types: central urban (Type I), intermediate urban (Type II), and suburban/rural (Type III). The study underscores the need for tailored flood risk management strategies to address these disparities and mitigate climate change-induced water hazards.https://doi.org/10.1038/s42949-025-00208-w
spellingShingle Xiaoling Qin
Shifu Wang
Meng Meng
Haiyan Long
Huilan Zhang
Haochen Shi
Enhancing urban resilience through machine learning-supported flood risk assessment: integrating flood susceptibility with building function vulnerability
npj Urban Sustainability
title Enhancing urban resilience through machine learning-supported flood risk assessment: integrating flood susceptibility with building function vulnerability
title_full Enhancing urban resilience through machine learning-supported flood risk assessment: integrating flood susceptibility with building function vulnerability
title_fullStr Enhancing urban resilience through machine learning-supported flood risk assessment: integrating flood susceptibility with building function vulnerability
title_full_unstemmed Enhancing urban resilience through machine learning-supported flood risk assessment: integrating flood susceptibility with building function vulnerability
title_short Enhancing urban resilience through machine learning-supported flood risk assessment: integrating flood susceptibility with building function vulnerability
title_sort enhancing urban resilience through machine learning supported flood risk assessment integrating flood susceptibility with building function vulnerability
url https://doi.org/10.1038/s42949-025-00208-w
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