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Enhancing estuarine flood risk management: comparative analysis of three estuarine systems

Enhancing estuarine flood risk management: comparative analysis of three estuarine systems
Enhancing estuarine flood risk management: comparative analysis of three estuarine systems

Rilo, A.; Tavares, A.; Freire, P.; Zêzere, J.L., and Haigh, I., 2020. Enhancing estuarine flood risk management: comparative analysis of three estuarine systems. In: Malvárez, G. and Navas, F. (eds.), Global Coastal Issues of 2020. Journal of Coastal Research, Special Issue No. 95, pp. 935-939 Coconut Creek (Florida), ISSN 0749-0208. Estuarine flood risk management is a challenge for coastal managers since this type of system is usually complex due to the presence of multiple trigger combinations that can induce flood events affecting different types of human occupation. Furthermore, legal directives demanded countries to have flood risk assessment tools therefore enhancing knowledge on estuarine triggers and flood damage typologies is useful for coastal managers. In this study three different flood events are compared and contrasted, each one having occurred in a different estuarine system chosen based on a set of criteria (temporal proximity, occurrence of human damages and at least three flood triggers identified in each database). The diversity of data sources that characterizes each database was examined, for the three events, which are described in terms of triggers and damages. The comparison highlighted that the local context was important in the estuarine flood combination of triggers and disclosed two categories (one category comprising infrastructure economic and human damages; and another category involving circulation interruption and functions disruption) of flood damages common between the studied systems corresponding to different levels of relevance for management. The enhanced knowledge acquired allowed the construction of a conceptual framework for damages that can contribute to more adequate estuarine flood risk frameworks.

Estuaries, damages, flood risk management, triggers
0749-0208
935-939
Rilo, Ana
98fffb37-b30b-419b-a922-fe5367c63a32
Tavares, Alexandre Oliveira
f5d4dd34-62f9-4b53-8c67-9abe5435b8d6
Freire, Paula
9237069d-8291-4947-98d8-dbfc05823fa1
Zêzere, José Luís
940ac129-0c32-4e49-bcb2-73c782e99120
Haigh, Ivan D.
945ff20a-589c-47b7-b06f-61804367eb2d
Rilo, Ana
98fffb37-b30b-419b-a922-fe5367c63a32
Tavares, Alexandre Oliveira
f5d4dd34-62f9-4b53-8c67-9abe5435b8d6
Freire, Paula
9237069d-8291-4947-98d8-dbfc05823fa1
Zêzere, José Luís
940ac129-0c32-4e49-bcb2-73c782e99120
Haigh, Ivan D.
945ff20a-589c-47b7-b06f-61804367eb2d

Rilo, Ana, Tavares, Alexandre Oliveira, Freire, Paula, Zêzere, José Luís and Haigh, Ivan D. (2020) Enhancing estuarine flood risk management: comparative analysis of three estuarine systems. Journal of Coastal Research, 95 (sp1), 935-939. (doi:10.2112/SI95-182.1).

Record type: Article

Abstract

Rilo, A.; Tavares, A.; Freire, P.; Zêzere, J.L., and Haigh, I., 2020. Enhancing estuarine flood risk management: comparative analysis of three estuarine systems. In: Malvárez, G. and Navas, F. (eds.), Global Coastal Issues of 2020. Journal of Coastal Research, Special Issue No. 95, pp. 935-939 Coconut Creek (Florida), ISSN 0749-0208. Estuarine flood risk management is a challenge for coastal managers since this type of system is usually complex due to the presence of multiple trigger combinations that can induce flood events affecting different types of human occupation. Furthermore, legal directives demanded countries to have flood risk assessment tools therefore enhancing knowledge on estuarine triggers and flood damage typologies is useful for coastal managers. In this study three different flood events are compared and contrasted, each one having occurred in a different estuarine system chosen based on a set of criteria (temporal proximity, occurrence of human damages and at least three flood triggers identified in each database). The diversity of data sources that characterizes each database was examined, for the three events, which are described in terms of triggers and damages. The comparison highlighted that the local context was important in the estuarine flood combination of triggers and disclosed two categories (one category comprising infrastructure economic and human damages; and another category involving circulation interruption and functions disruption) of flood damages common between the studied systems corresponding to different levels of relevance for management. The enhanced knowledge acquired allowed the construction of a conceptual framework for damages that can contribute to more adequate estuarine flood risk frameworks.

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Accepted/In Press date: 13 February 2020
Published date: 26 May 2020
Additional Information: Funding Information: This work was supported by the projects FORLAND - Hydrogeomorphologic risk in Portugal: driving forces and application for land use planning [PTDC/ATPGEO/1660/2014] and MOSAIC.pt - Multi-source flood risk analysis for safe coastal communities and sustainable development [PTDC/CTA-AMB/28909/2017] both funded by the Portuguese Foundation for Science and Technology (FCT), Portugal. The first author benefits from a doctoral grant funded by the Portuguese Foundation for Science and Technology (FCT) – (SFRH/BD/111166/2015). The authors thank the data provided by the project DISASTER (PTDC/ CS-GEO/103231/2008) also funded by FCT and the following institutions: Administração do Porto de Lisboa (APL), Autoridade Nacional de Emergência e Proteção Civil (ANEPC). The authors Publisher Copyright: © Coastal Education and Research Foundation, Inc. 2020.
Keywords: Estuaries, damages, flood risk management, triggers

Identifiers

Local EPrints ID: 441828
URI: http://eprints.soton.ac.uk/id/eprint/441828
ISSN: 0749-0208
PURE UUID: 286119ef-bd1b-4721-873b-6933331cccc3
ORCID for Ivan D. Haigh: ORCID iD orcid.org/0000-0002-9722-3061

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Date deposited: 29 Jun 2020 16:33
Last modified: 17 Mar 2024 03:07

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Contributors

Author: Ana Rilo
Author: Alexandre Oliveira Tavares
Author: Paula Freire
Author: José Luís Zêzere
Author: Ivan D. Haigh ORCID iD

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