HyCReWW: A hybrid coral reef wave and water level metamodel
Computers & Geosciences
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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.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | HyCReWW: A hybrid coral reef wave and water level metamodel |
| Series title | Computers & Geosciences |
| DOI | 10.1016/j.cageo.2019.03.004 |
| Volume | 127 |
| Year Published | 2019 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Pacific Coastal and Marine Science Center |
| Description | 6 p. |
| First page | 85 |
| Last page | 90 |
| Google Analytic Metrics | Metrics page |