Enhancing Community Resilience in Arid Regions: A Smart Framework for Flash Flood Risk Assessment

Nakhaei, Mahdi, Nakhaei, Pouria, Gheibi, Mohammad, Chahkandi, Benyamin, Wacławek, Stanisław, Behzadian, Kourosh ORCID: https://orcid.org/0000-0002-1459-8408, Campos, Luiza C and Chen, Albert S (2023) Enhancing Community Resilience in Arid Regions: A Smart Framework for Flash Flood Risk Assessment. Ecological Indicators, 153. p. 110457.

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This paper presents a novel framework for smart integrated risk management in arid regions. The framework combines flash flood modelling, statistical methods, artificial intelligence (AI), geographic evaluations, risk analysis, and decision-making modules to enhance community resilience. Flash flood is simulated by using Watershed Modelling System (WMS). Statistical methods are also used to trim outlier data from physical systems and climatic data. Furthermore, three AI methods, including Support Vector Machine (SVM), Artificial Neural Network (ANN), and Nearest Neighbours Classification (NNC), are used to predict and classify flash flood occurrences. Geographic Information System (GIS) is also utilised to assess potential risks in vulnerable regions, together with Failure Mode and Effects Analysis (FMEA) and Hazard and Operability Study (HAZOP) methods. The decision-making module employs the Classic Delphi technique to classify the appropriate solutions for flood risk control. The methodology is demonstrated by its application to the real case study of the Khosf region in Iran, which suffers from both drought and severe floods simultaneously, exacerbated by recent climate changes. The results show high Coefficient of determination (R2) scores for the three AI methods, with SVM at 0.88, ANN at 0.79, and NNC at 0.89. FMEA results indicate that over 50% of scenarios are at high flood risk, while HAZOP indicates 30% of scenarios with the same risk rate. Additionally, peak flows of over 24 m3/s are considered flood occurrences that can cause financial damage in all scenarios and risk techniques of the case study. Finally, our research findings indicate a practical decision support system that is compatible with sustainable development concepts and can enhance community resilience in arid regions.

Item Type: Article
Identifier: 10.1016/j.ecolind.2023.110457
Depositing User: Kourosh Behzadian
Date Deposited: 03 Jun 2023 18:25
Last Modified: 22 Feb 2024 16:41
URI: https://repository.uwl.ac.uk/id/eprint/10029


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