A multi-component flood risk assessment in the Maresme coast (NW Mediterranean)

Ballesteros, Caridad and Jiménez, José and Viavattene, Christophe (2018) A multi-component flood risk assessment in the Maresme coast (NW Mediterranean). Natural Hazards, 90 (1). pp. 265-292. ISSN 0921-030X

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Abstract

Coastal regions are the areas most threatened by natural hazards, with floods being the most frequent and significant threat in terms of their induced impacts, and therefore, any management scheme requires their evaluation. In coastal areas, flooding is a hazard associated with various processes acting at different scales: coastal storms, flash floods, and sea level rise (SLR). In order to address the problem as a whole, this study presents a ethodology to undertake a preliminary integrated risk assessment that determines the magnitude of the different flood processes (flash flood, marine storm, SLR) and their associated consequences, taking into account their temporal and spatial scales. The risk is quantified using specific indicators to assess the magnitude of the hazard (for each component) and the consequences in a common scale. This allows for a robust comparison of the spatial risk distribution along the coast in order to identify both the areas at greatest risk and the risk components that have the greatest impact. This methodology is applied on the Maresme coast (NW Mediterranean, Spain), which can be considered representative of developed areas of the Spanish Mediterranean coast. The results obtained characterise this coastline as an area of relatively low overall risk, although some hot spots have been identified with high-risk values, with flash flooding being the principal risk process.

Item Type: Article
Research Areas: A. > School of Science and Technology > Flood Hazard Research Centre
Item ID: 22546
Notes on copyright: © The Author(s) 2017. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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Depositing User: Christophe Viavattene
Date Deposited: 20 Sep 2017 14:42
Last Modified: 07 Sep 2018 01:47
URI: http://eprints.mdx.ac.uk/id/eprint/22546

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