OVERTOPPING FLOWS AND RELATED HAZARDS: A CASE OF STUDY FROM THE CATALAN COAST

Corrado Altomare; Xavi Gironella; Tomohiro Suzuki; Toon Verwaest; Mauro Campagnola; Alessandra Saponieri

doi:10.9753/icce.v36v.structures.10

No. 36v (2020), Coastal Structures

No. 36v (2020)

OVERTOPPING FLOWS AND RELATED HAZARDS: A CASE OF STUDY FROM THE CATALAN COAST

Coastal Structures

https://doi.org/10.9753/icce.v36v.structures.10

Published 2020-12-28

Corrado Altomare
Xavi Gironella
Tomohiro Suzuki
Toon Verwaest
Mauro Campagnola
Alessandra Saponieri

Corrado Altomare

https://orcid.org/0000-0001-8817-0431

Xavi Gironella

Tomohiro Suzuki

Toon Verwaest

Mauro Campagnola

Alessandra Saponieri

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How to Cite

Altomare, C., Gironella, X., Suzuki, T., Verwaest, T., Campagnola, M., & Saponieri, A. (2020). OVERTOPPING FLOWS AND RELATED HAZARDS: A CASE OF STUDY FROM THE CATALAN COAST. Coastal Engineering Proceedings, (36v), structures.10. https://doi.org/10.9753/icce.v36v.structures.10

Abstract

Design criteria for coastal defenses exposed to wave overtopping are usually restricted to the assessment of mean discharges and maximum individual overtopping volumes, however it is not possible to give unambiguous or precise limits to tolerable overtopping for all kind of layouts (EurOtop, 2018). A few studies (e.g. Endoh and Takahashi, 1994) analyzed the relationship between wave overtopping flows and hazard levels for people at the crest of sea dikes. Sandoval (2016) confirmed that one single value of admissible mean discharge or individual overtopping volume is not a sufficient indicator of the hazard, but detailed characterization of flow velocities and depths is required. This work presents the results of an experimental campaign aiming at characterizing the flow characteristics associated to maximum individual overtopping volumes for an urbanized stretch of a town along the Catalan coast, where a bike path and a railway run along the coastline, exposed to significant overtopping events every stormy season.

Recorded Presentation from the vICCE (YouTube Link): https://youtu.be/DwVl9wFJoq0

https://doi.org/10.9753/icce.v36v.structures.10

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References

Suzuki T., Altomare C., Yasuda T., Verwaest T. Overtopping Metrics and Coastal Safety: Characterization of Overtopping Waves on Sea Dikes with Gentle and Shallow Foreshores. J. Mar. Sci. Eng. 2020, 8 (10), 752. https://doi.org/10.3390/jmse8100752

Altomare C., Laucelli D.B., Mase H., Gironella, X. Determination of Semi-Empirical Models for Mean Wave Overtopping Using an Evolutionary Polynomial Paradigm. J. Mar. Sci. Eng. 2020, 8, 570. https://doi.org/10.3390/jmse8080570

Altomare C., Gironella X., Suzuki T., Viccione G., Saponieri, A. Overtopping Metrics and Coastal Safety: A Case of Study from the Catalan Coast. J. Mar. Sci. Eng. 2020, 8, 556. https://doi.org/10.3390/jmse8080556

Endoh, K. and Takahashi, S. (1995). Numerically Modeling Personnel Danger on a Promenade Breakwater Due to Overtopping Waves. 24th ICCE Proceedings.

EurOtop (2018). Manual on wave overtopping of sea defences and related structures. An overtopping manual largely based on European research, but for worldwide application. Van der Meer, J.W., Allsop, N.W.H., Bruce, T., De Rouck, J., Kortenhaus, A., Pullen, T., Schüttrumpf. Sandoval, C. (2016) Direct personnel hazard in wave overtopping flows at seadikes. PhD thesis.

Zijlema, M., Stelling, G., Smit, P. (2011) SWASH: An operational public domain code for simulating wave fields and rapidly varied flows in coastal waters. Coast. Eng., 58, 992-1012.

Authors retain copyright and grant the Proceedings right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this Proceedings.

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OVERTOPPING FLOWS AND RELATED HAZARDS: A CASE OF STUDY FROM THE CATALAN COAST

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