Urban surface water flood modelling – a comprehensive review of current models and future challenges

<p>Urbanisation is an irreversible trend as a result of social and economic development. Urban areas, with high concentration of population, key infrastructure, and businesses, are extremely vulnerable to flooding and may suffer severe socio-economic losses due to climate change. Urban flood m...

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Main Authors: K. Guo, M. Guan, D. Yu
Format: Article
Language:English
Published: Copernicus Publications 2021-05-01
Series:Hydrology and Earth System Sciences
Online Access:https://hess.copernicus.org/articles/25/2843/2021/hess-25-2843-2021.pdf
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author K. Guo
M. Guan
D. Yu
author_facet K. Guo
M. Guan
D. Yu
author_sort K. Guo
collection DOAJ
description <p>Urbanisation is an irreversible trend as a result of social and economic development. Urban areas, with high concentration of population, key infrastructure, and businesses, are extremely vulnerable to flooding and may suffer severe socio-economic losses due to climate change. Urban flood modelling tools are in demand to predict surface water inundation caused by intense rainfall and to manage associated flood risks in urban areas. These tools have been rapidly developing in recent decades. In this study, we present a comprehensive review of the advanced urban flood models and emerging approaches for predicting urban surface water flooding driven by intense rainfall. The study explores the advantages and limitations of existing model types, highlights the most recent advances, and identifies major challenges. Issues of model complexities, scale effects, and computational efficiency are also analysed. The results will inform scientists, engineers, and decision-makers of the latest developments and guide the model selection based on desired objectives.</p>
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spelling doaj.art-991a31f519d441619cdb60738bad8e632022-12-21T22:34:02ZengCopernicus PublicationsHydrology and Earth System Sciences1027-56061607-79382021-05-01252843286010.5194/hess-25-2843-2021Urban surface water flood modelling – a comprehensive review of current models and future challengesK. Guo0M. Guan1D. Yu2Department of Civil Engineering, The University of Hong Kong, Hong Kong, ChinaDepartment of Civil Engineering, The University of Hong Kong, Hong Kong, ChinaGeography and Environment, Loughborough University, Loughborough, LE11 3TT, United Kingdom<p>Urbanisation is an irreversible trend as a result of social and economic development. Urban areas, with high concentration of population, key infrastructure, and businesses, are extremely vulnerable to flooding and may suffer severe socio-economic losses due to climate change. Urban flood modelling tools are in demand to predict surface water inundation caused by intense rainfall and to manage associated flood risks in urban areas. These tools have been rapidly developing in recent decades. In this study, we present a comprehensive review of the advanced urban flood models and emerging approaches for predicting urban surface water flooding driven by intense rainfall. The study explores the advantages and limitations of existing model types, highlights the most recent advances, and identifies major challenges. Issues of model complexities, scale effects, and computational efficiency are also analysed. The results will inform scientists, engineers, and decision-makers of the latest developments and guide the model selection based on desired objectives.</p>https://hess.copernicus.org/articles/25/2843/2021/hess-25-2843-2021.pdf
spellingShingle K. Guo
M. Guan
D. Yu
Urban surface water flood modelling – a comprehensive review of current models and future challenges
Hydrology and Earth System Sciences
title Urban surface water flood modelling – a comprehensive review of current models and future challenges
title_full Urban surface water flood modelling – a comprehensive review of current models and future challenges
title_fullStr Urban surface water flood modelling – a comprehensive review of current models and future challenges
title_full_unstemmed Urban surface water flood modelling – a comprehensive review of current models and future challenges
title_short Urban surface water flood modelling – a comprehensive review of current models and future challenges
title_sort urban surface water flood modelling a comprehensive review of current models and future challenges
url https://hess.copernicus.org/articles/25/2843/2021/hess-25-2843-2021.pdf
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