期刊
NATURAL HAZARDS
卷 -, 期 -, 页码 -出版社
SPRINGER
DOI: 10.1007/s11069-023-06319-w
关键词
Rock coast; Steep bathymetry; Wave run-up; Rayleigh distribution
It is revealed that steep coastal profiles can lead to unexpectedly large wave events. A statistical analysis of a nearshore Boussinesq-type model demonstrates that under certain wave conditions, which may appear calm to an ordinary observer, the likelihood of significant run-up events is surprisingly high. The data computed by the Boussinesq-type model indicates that sea states with lower overall wave steepness favor higher run-up. In these wave conditions, more wave energy reaches the coast due to less wave breaking, which can create a false sense of security for beach-goers.
It is shown that very steep coastal profiles can give rise to unexpectedly large wave events at the coast. We conduct a statistical analysis of runs from a nearshore Boussinesq-type model to demonstrate that under certain wave conditions, which a casual observer would perceive as calm, the likelihood of large run-up events is uncharacteristically high. The data computed by the Boussinesq-type model show that sea states with lower overall wave steepness favor higher run-up. Under these wave conditions, more of the available wave energy reaches the shore, since less wave breaking occurs, which can create a false sense of security for beach-goers.
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