Articles | Volume 23, issue 11
https://doi.org/10.5194/nhess-23-3487-2023
https://doi.org/10.5194/nhess-23-3487-2023
Research article
 | 
15 Nov 2023
Research article |  | 15 Nov 2023

A wave-resolving modeling study of rip current variability, rip hazard, and swimmer escape strategies on an embayed beach

Ye Yuan, Huaiwei Yang, Fujiang Yu, Yi Gao, Benxia Li, and Chuang Xing

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Cited articles

Arun Kumar, S. V. V. and Prasad, K. V. S. R.: Rip current-related fatalities in India: a new predictive risk scale for forecasting rip currents, Nat. Hazards, 70, 313–335, https://doi.org/10.1007/s11069-013-0812-x, 2014. a
Bowen, A. J.: Rip currents: 1. Theoretical investigations, J. Geophys. Res., 74, 5467–5478, https://doi.org/10.1029/JC074i023p05467, 1969. a
Brewster, B. C., Gould, R. E., and Brander, R. W.: Estimations of rip current rescues and drowning in the United States, Nat. Hazards Earth Syst. Sci., 19, 389–397, https://doi.org/10.5194/nhess-19-389-2019, 2019. a
Brighton, B., Sherker, S., Brander, R., Thompson, M., and Bradstreet, A.: Rip current related drowning deaths and rescues in Australia 2004–2011, Nat. Hazards Earth Syst. Sci., 13, 1069–1075, https://doi.org/10.5194/nhess-13-1069-2013, 2013. a
Castelle, B. and Coco, G.: Surf zone flushing on embayed beaches, Geophys. Res. Lett., 40, 2206–2210, https://doi.org/10.1002/grl.50485, 2013. a
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Short summary
Rip currents are narrow jets of offshore-directed flow that originated in the surf zone, which can take swimmers of all ability levels into deeper water unawares. In this study, a 1 m fine-resolution wave-resolving model was configured to study rip current variability and the optimal swimmer escape strategies. Multiple factors contribute to the survival of swimmers. However, for weak-to-moderate rip and longshore currents, swimming onshore consistently seems to be the most successful strategy.
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