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Recent Advances in Flood Risk Analysis and Management Practice
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Recent Advances in Flood Risk Analysis and Management Practice

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water and Climate Change".

Deadline for manuscript submissions: closed (25 February 2025) | Viewed by 5285

Special Issue Editors

Dr. Zhongfan Zhu

E-Mail Website
Guest Editor
College of Water Sciences, Beijing Normal University, Beijing 100875, China
Interests: urban flood hazards; water resources management; transport of sediment and pollutants
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Guangwei Huang

E-Mail Website
Guest Editor
Graduate School of Global Environmental Studies, Sophia University, Tokyo 102-8554, Japan
Interests: lake eutrophication modeling; sustainable use of wetland; river flow and water quality simulations; urban flood risk management and long-term policy impact analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Under the dual backdrop of global climate change and fast urbanization, many cities across the world are struggling with urban flooding problems. Urban flooding hazards are threatening livelihoods, infrastructure, and the ecosystem. Therefore, it has become a matter of urgency to investigate urban flooding hazards from divergent perspectives, including causes, hydrological and hydrodynamic processes, risk analysis and management, and other social aspects.

This Special Issue collects original research and literature review articles on the state of the art and recent advances in urban flooding hazards. Potential topics include (but are not limited to) the following:

  • Analysis of the causes of urban flooding;
  • Hydrologic and hydrodynamic modeling of urban flood processes;
  • Forecasting and early warning of urban flooding;
  • Risk assessment, mitigation, and management of urban flooding;
  • Flood-resilient cities and other aspects.

Dr. Zhongfan Zhu
Prof. Dr. Guangwei Huang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • urban floods
  • flood risk
  • flood management
  • vulnerability
  • emergency
  • resilience
  • climate change
  • model
  • policy

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

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22 pages, 2629 KiB  
Article
Robust Wetting and Drying with Discontinuous Galerkin Flood Model on Unstructured Triangular Meshes
by Rabih Ghostine, Georges Kesserwani and Ibrahim Hoteit
Water 2025, 17(8), 1141; https://doi.org/10.3390/w17081141 - 10 Apr 2025
Viewed by 373
Abstract
Godunov-based finite volume (FV) methods are widely employed to numerically solve the Shallow-Water Equations (SWEs) with application to simulate flood inundation over irregular geometries and real-field, where unstructured triangular meshing is favored. Second-order extensions have been devised, mostly on the MUSCL reconstruction and [...] Read more.
Godunov-based finite volume (FV) methods are widely employed to numerically solve the Shallow-Water Equations (SWEs) with application to simulate flood inundation over irregular geometries and real-field, where unstructured triangular meshing is favored. Second-order extensions have been devised, mostly on the MUSCL reconstruction and the discontinuous Galerkin (DG) approaches. In this paper, we introduce a novel second-order Runge–Kutta discontinuous Galerkin (RKDG) solver for flood modeling, specifically addressing positivity preservation and wetting and drying on unstructured triangular meshes. To enhance the RKDG model, we adapt and refine positivity-preserving and wetting and drying techniques originally developed for the MUSCL-based finite volume (FV) scheme, ensuring its effective integration within the RKDG framework. Two analytical test problems are considered first to validate the proposed model and assess its performance in comparison with the MUSCL formulation. The performance of the model is further explored in real flooding scenarios involving irregular topographies. Our findings indicate that the added complexity of the RKDG model is justified, as it delivers higher-quality results even on very coarse meshes. This reveals that there is a promise in deploying RKDG-based flood models in real-scale applications, in particular when field data are sparse or of limited resolution. Full article
(This article belongs to the Special Issue Recent Advances in Flood Risk Analysis and Management Practice)
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Review

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17 pages, 4357 KiB  
Review
Nature-Based Solutions (NbS) for Flood Management in Malaysia
by Haziq Sarhan Bin Rosmadi, Minhaz Farid Ahmed, Mazlin Bin Mokhtar, Bijay Halder and Miklas Scholz
Water 2024, 16(24), 3606; https://doi.org/10.3390/w16243606 - 15 Dec 2024
Viewed by 4207
Abstract
Flash floods are a concerning social issue that affect urban areas all over the world. Flash floods can disrupt vital services, damage infrastructure, have socio-economic impacts on the earth’s surface, and significantly impact the community near the water body. Household and commercial damage, [...] Read more.
Flash floods are a concerning social issue that affect urban areas all over the world. Flash floods can disrupt vital services, damage infrastructure, have socio-economic impacts on the earth’s surface, and significantly impact the community near the water body. Household and commercial damage, physical health issues from contaminated floodwater, mental health issues including post-traumatic stress disorder, and even fatalities are some of these common effects. Additionally, it is anticipated that climate change, continuous population growth, and urbanisation will increase flood events and flood risk exposure. Nature-based solutions (NbS) for flood management that lower flood risks include sustainable, economical methods that improve biodiversity, ecosystem resilience, and community well-being. This in-depth study analyses research and literature that previous researchers conducted related to flood management around ASEAN countries, as all these countries are closely located and share similarities in climate and temperature. This survey focuses on identifying the most suitable and effective NbS to overcome the problem and appropriate non-structural measures to support it in solving the flood problem in Malaysia. NbS provide a multi-benefit approach by improving ecosystem resilience, cutting costs, and offering co-benefits, including biodiversity conservation and better water quality, in contrast to conventional methods that put infrastructure before environmental sustainability. This survey also looks at the weaknesses in the existing flood management system and provides recommendations to overcome these problems. Additionally, this survey offers practical policy suggestions to help incorporate NbS into regional and national flood control frameworks, guaranteeing that the solutions are not only socially just but also ecologically sound. Full article
(This article belongs to the Special Issue Recent Advances in Flood Risk Analysis and Management Practice)
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