Challenges for Appropriate Characterization of Compound Coastal Hazards
Publication: Geo-Extreme 2021
ABSTRACT
Large population around the globe live in close proximity to freshwater-influenced coastal regions. These regions are, though, increasingly threatened by coastal extreme hazards. Tropical Cyclones (TCs) are classic examples of compound hazards during which the coincidence/concurrence of two or more hazard drivers intensify the impacts expected from each of those drivers in isolation. Challenges for appropriate modeling of compound coastal floods can be summarized under three main categories: (1) multidimensionality of processes, (2) nonlinearity of interactions between underlying processes, and (3) nonstationarity of processes. Appropriate characterization of risk associated with compound coastal hazards should take all of these features into account otherwise it will fail to provide reliable and actionable information to public and decision makers, and thus yields ineffective communication of risk to threatened coastal communities. In this presentation, the technical challenges we face for appropriate characterization of these compound coastal extremes and also the opportunities to tackle the aforementioned challenges will be discussed.
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Geo-Extreme 2021
Pages: 58 - 68
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© 2021 American Society of Civil Engineers.
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Published online: Nov 4, 2021
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