Strategic flood impact mitigation in developing countries’ urban road networks: application to Hanoi

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dc.contributor.authorPhouratsamay, Siao-Leu
dc.contributor.authorScaparra, Maria Paola
dc.contributor.authorTran, Trung Hieu
dc.contributor.authorLaporte, Gilbert
dc.date.accessioned2024-08-29T11:32:01Z
dc.date.available2024-08-29T11:32:01Z
dc.date.freetoread2024-08-29
dc.date.issued2024-12-16
dc.date.pubOnline2024-06-26
dc.description.abstractDue to climate change, the frequency and scale of flood events worldwide are increasing dramatically. Flood impacts are especially acute in developing countries, where they often revert years of progress in sustainable development and poverty reduction. This paper introduces an optimization-based decision support tool for selecting cost-efficient flood mitigation investments in developing countries’ urban areas. The core of the tool is a scenario-based, multi-period, bi-objective Mixed Integer Linear Programming model which minimizes infrastructure damage and traffic congestion in urban road networks. The tool was developed in collaboration with Vietnamese stakeholders (e.g., local communities and government authorities), and integrates data and inputs from other disciplines, including social science, transport economics, climatology and hydrology. A metaheuristic, combining a Greedy Randomized Adaptive Search Procedure with a Variable Neighborhood Descent algorithm, is developed to solve large scale problem instances. An extensive computational campaign on randomly generated instances demonstrates the efficiency of the metaheuristic in solving realistic problems with hundreds of interdependent flood mitigation interventions. Finally, the applicability of the interdisciplinary approach is demonstrated on a real case study to generate a 20-year plan of mitigation investments for the urban area of Hanoi. Policy implications and impacts of the study are also discussed.
dc.description.journalNameEuropean Journal of Operational Research
dc.description.sponsorshipBritish Academy’s Cities and Infrastructure Programme (Ref: CI170099) and of the Engineering and Physical Sciences Research Council, United Kingdom (Ref: EP/T004002/1).
dc.format.extent862-876
dc.identifier.citationPhouratsamay S-L, Scaparra MP, Tran TH, Laporte G. (2024) Strategic flood impact mitigation in developing countries’ urban road networks: application to Hanoi. European Journal of Operational Research, Volume 319, Issue 6, December 2024, pp. 862-876
dc.identifier.elementsID547792
dc.identifier.issn0377-2217
dc.identifier.urihttps://doi.org/10.1016/j.ejor.2024.06.035
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/22844
dc.identifier.volumeNo319
dc.languageEnglish
dc.language.isoen
dc.publisherElsevier BV
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S0377221724005150
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject46 Information and Computing Sciences
dc.subject40 Engineering
dc.subject49 Mathematical Sciences
dc.subject11 Sustainable Cities and Communities
dc.subject13 Climate Action
dc.subjectOperations Research
dc.subject40 Engineering
dc.subject46 Information and computing sciences
dc.subject49 Mathematical sciences
dc.titleStrategic flood impact mitigation in developing countries’ urban road networks: application to Hanoi
dc.typeArticle
dc.type.subtypeJournal Article
dcterms.dateAccepted2024-06-24

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