University student flood risk perceptions and flood probability knowledge in Greater Sydney

Shen Lin and Aaron Opdyke ()
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Shen Lin: The University of Sydney
Aaron Opdyke: The University of Sydney

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2024, vol. 120, issue 15, No 7, 13873 pages

Abstract: Abstract While flood risk perception has been studied extensively in general populations, there remains a dearth of focus on youth perspectives – a key demographic to mobilising knowledge to achieve disaster risk reduction targets. This study aimed to evaluate university students’ perceptions of flood risk and their understanding of common flood probabilities in the Greater Sydney region of Australia. We surveyed 262 university students to better understand how flood preparedness, knowledge, and experience predict flood risk perceptions. Using ordinal logistic regression, we identified that students with past flood experience and women were more likely to have higher flood risk perceptions. In contrast, students with higher flood preparedness were more likely to have lower flood risk perceptions. Age, degree level (e.g. bachelor’s, master’s), place of residence, and flood knowledge were inconclusive predictors of risk perception. We also assessed differences in how students rated the likelihood of three equivalent flood probabilities presented in different ways: (1) a 1-in-100 year flood; (2) a flood with a 1% of happening in a given year; and (3) a flood with a 55% chance in an 80-year lifetime. Using Friedman and Kruskal-Wallis tests, we compared differences within student responses and across different risk perception groups. We found that students perceived equivalent flood probabilities stated over longer periods of time to be more likely to occur. This study contributes to understanding student perceptions of flood risk, presenting recommendations on how governments and higher educational institutions can improve building students’ knowledge of flood hazards.

Keywords: Australia; Flooding; Risk; Perception; Student (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11069-024-06757-0

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