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Measuring flood resilience: a fuzzy logic approach

Victor Oluwasina Oladokun (Department of Industrial and Production Engineering, University of Ibadan, Ibadan, Nigeria)
David G. Proverbs (Faculty of Computing, Engineering and the Built Environment, Birmingham City University, Birmingham, UK)
Jessica Lamond (Centre for Floods, Communities and Resilience, University of the West of England, Bristol, UK)

International Journal of Building Pathology and Adaptation

ISSN: 2398-4708

Article publication date: 13 November 2017

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Abstract

Purpose

Flood resilience is emerging as a major component of an integrated strategic approach to flood risk management. This approach recognizes that some flooding is inevitable and aligns with the concept of “living with water.” Resilience measurement is a key in making business case for investments in resilient retrofits/adaptations, and could potentially be used to inform the design of new developments in flood prone areas. The literature is, however, sparse on frameworks for measuring flood resilience. The purpose of this paper is to describe the development of a fuzzy logic (FL)-based resilience measuring model, drawing on a synthesis of extant flood resilience and FL literature.

Design/methodology/approach

An abstraction of the flood resilience system followed by identification and characterization of systems’ variables and parameters were carried out. The resulting model was transformed into a fuzzy inference system (FIS) using three input factors: inherent resilience, supportive facilities (SF) and resident capacity.

Findings

The resulting FIS generates resilience index for households with a wide range of techno-economic and socio-environmental features.

Originality/value

It is concluded that the FL-based model provides a veritable tool for the measurement of flood resilience at the level of the individual property, and with the potential to be further developed for larger scale applications, i.e. at the community or regional levels.

Keywords

Acknowledgements

This work is part of the research carried out under the Commonwealth Academic Fellowship award, NGCF-2015-99, funded by the UK Government. The authors acknowledge the support of the UI Ibadan TETFUND IBR 2016 Research Project Fund.

Citation

Oladokun, V.O., Proverbs, D.G. and Lamond, J. (2017), "Measuring flood resilience: a fuzzy logic approach", International Journal of Building Pathology and Adaptation, Vol. 35 No. 5, pp. 470-487. https://doi.org/10.1108/IJBPA-12-2016-0029

Publisher

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Emerald Publishing Limited

Copyright © 2017, Emerald Publishing Limited