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A Methodology for UK Urban Micro Scale Coastal Flood Vulnerability and Risk Assessment and Mapping

Percival, S and Teeuw, R A Methodology for UK Urban Micro Scale Coastal Flood Vulnerability and Risk Assessment and Mapping. Natural Hazards. ISSN 0921-030X (Accepted)

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Abstract

One of the most dangerous challenges to settlements in the UK comes from flooding. Currently, there is extensive map coverage of flood hazards zones in England via the Environment Agency (EA) or its UK regional variants. However, it is increasingly recognised that risk associated with natural hazards cannot be reduced solely by focussing on the hazard component. There is in fact an urgent need for methods of evaluating and mapping flood vulnerability and risk in detail. Despite its significance, conventional flood risk assessment methodologies often underestimate likely levels of vulnerability in areas prone to hazards, yet it is the degree of vulnerability within a community that determines the consequences of any given hazard. This research has sought to assess and map UK Coastal Flood Vulnerability (CoFV) at a detailed, micro-scale level. Environment Agency flood hazard data, National Census socio-economic data and Ordnance Survey topographic map data has been used to, evaluate and map coastal flood vulnerability, examining neighbourhoods within census wards. This led to a subsequent analysis of Coastal Flood Risk, via the combination of a Coastal Flood Vulnerability Index and a Coastal Flood Hazard Index, for the ward of Hilsea in the city of Portsmouth. This paper summarises the development of that methodology, capturing aspects that are considered crucial and representative of reality (socio-economic, physical and resilient features). Consequently, identifying potential weaknesses that could lead to more effective targeting of interventions to improve our resilience and reduce vulnerability in the long term.

Item Type: Article
Uncontrolled Keywords: 0401 Atmospheric Sciences, 0406 Physical Geography and Environmental Geoscience, 1701 Psychology
Subjects: G Geography. Anthropology. Recreation > GC Oceanography
G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions: Natural Sciences and Psychology
Publisher: Springer Verlag
Date Deposited: 18 Apr 2019 08:47
Last Modified: 19 Apr 2019 01:55
URI: http://researchonline.ljmu.ac.uk/id/eprint/10565

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