HyCReWW: A Hybrid Coral Reef Wave and Water level metamodel

Ana Rueda, Laura Cagigal, Stuart Pearson, Jose A.A. Antolínez, Curt Storlazzi, Ap van Dongeren, Paula Camus, Fernando J. Mendez

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)
11 Downloads (Pure)

Abstract

Wave-induced flooding is a major coastal hazard on tropical islands fronted by coral reefs. The variability of shape, size, and physical characteristics of the reefs across the globe make it difficult to obtain a parameterization of wave run-up, which is needed for risk assessments. Therefore, we developed the HyCReWW metamodel to predict wave run-up under a wide range of reef morphometric and offshore forcing characteristics. Due to the complexity and high dimensionality of the problem, we assumed an idealized one-dimensional reef profile, characterized by seven primary parameters. XBeach Non-Hydrostatic was chosen to create the synthetic dataset, and Radial Basis Functions implemented in MATLAB® were chosen for interpolation. Results demonstrate the applicability of the metamodel to obtain fast and accurate results of wave run-up for a large range of intrinsic reef morphologic and extrinsic hydrodynamic forcing parameters, offering a useful tool for risk management and early warning systems.
Original languageEnglish
Pages (from-to)85-90
Number of pages6
JournalComputers and Geosciences
Volume127
DOIs
Publication statusPublished - 2019

Keywords

  • Coral reef
  • Flooding
  • Metamodel
  • Run-up
  • Water levels
  • Wave

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