A LONG-TERM EQUILIBRIUM BEACH PLANFORM MODEL FOR COASTAL WORK DESIGN

Verónica Cánovas; Raúl Medina

doi:10.9753/icce.v33.sediment.43

No. 33 (2012), Sediment Transport and Morphology

No. 33 (2012)

A LONG-TERM EQUILIBRIUM BEACH PLANFORM MODEL FOR COASTAL WORK DESIGN

Sediment Transport and Morphology

https://doi.org/10.9753/icce.v33.sediment.43

Published 2012-10-25

Verónica Cánovas⁺⁻
Raúl Medina⁺⁻

Verónica Cánovas

Environmental Hydraulics Institute "IH Cantabria†, Universidad de Cantabria

Raúl Medina

Environmental Hydraulics Institute "IH Cantabria†, Universidad de Cantabria

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Keywords

static equilibrium beach planform
height gradient
oblique incidence
longshore sediment transport
porous concrete
breaking wave

How to Cite

Cánovas, V., & Medina, R. (2012). A LONG-TERM EQUILIBRIUM BEACH PLANFORM MODEL FOR COASTAL WORK DESIGN. Coastal Engineering Proceedings, 1(33), sediment.43. https://doi.org/10.9753/icce.v33.sediment.43

Abstract

Traditional models usually allow fitting the equilibrium beach planform of crenulated beaches knowing wave climate characteristics at a control point. However, sometimes there are shoals or bars in the surf zone which affect surf zone dynamics and longshore sediment distribution, and it is difficult to take into account these elements using those traditional models. A long-term equilibrium beach planform model is proposed here based on sediment transport equations. This model takes into account the sediment transport due to oblique wave incidence and that due to wave height gradient. Two case studies have been studied: a simple pocket beach and a beach which is sheltered by a sandstone bar. Results show the model fits reasonably well the equilibrium beach planform to the shorelines of those beaches. This model is more suitable than traditional models when there are elements affecting surf zone dynamics.

https://doi.org/10.9753/icce.v33.sediment.43

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References

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PMCid:372911

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A LONG-TERM EQUILIBRIUM BEACH PLANFORM MODEL FOR COASTAL WORK DESIGN

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