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Urban neighbourhood flood vulnerability and risk assessments at different diurnal levels

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Diurnal changes within communities can significantly alter the level of impacts during a flood, yet these essential daily variations are not currently catered for within flood risk assessments. This paper develops a flood vulnerability and risk model that captures crucial features of flood vulnerability; integrating physical and socio-economic vulnerability data, combined with a flood hazard analysis, to give overall flood risk at neighbourhood scale, at two different times of day, for floods of different magnitudes. The flood vulnerability and risk model, the resulting diurnal coastal flood vulnerability and risk indexes and corresponding maps for the ward of Hilsea, (Portsmouth, UK), presented within this paper, highlight three previously unidentified neighbourhoods in particular in the north-west of the Hilsea ward, that have the highest levels of risk during both time zones and for flood events of different magnitude. Critically, these neighbourhoods lie further inland and not directly on the Hilsea coastline, yet by analysing at this resolution (including diurnal impacts), substantial levels of underlying vulnerability were identified within these areas.
Original languageEnglish
Article numbere12466
JournalJournal of Flood Risk Management
Early online date8 Jun 2018
DOIs
Publication statusEarly online - 8 Jun 2018

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    Rights statement: This is the peer reviewed version of the following article: Percival, S., Gaterell, M., Teeuw, R. 'Urban neighbourhood flood vulnerability and risk assessments at different diurnal levels.' Journal of Flood Risk Management. 2018;e12466, which has been published in final form at https://doi.org/10.1111/jfr3.12466. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Version

    Accepted author manuscript (Post-print), 0.99 MB, PDF document

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