NEW PROCESS BASED EQUATION FOR A STATIC EQUILIBRIUM BEACH PLANFORM

June Gainza; Mauricio Gonzalez; Raúl Medina

doi:10.9753/icce.v37.sediment.27

No. 37 (2022), Sediment Transport and Morphology

No. 37 (2022)

NEW PROCESS BASED EQUATION FOR A STATIC EQUILIBRIUM BEACH PLANFORM

Sediment Transport and Morphology

Published 2023-09-01

June Gainza
Mauricio Gonzalez
Raúl Medina

June Gainza

Mauricio Gonzalez

Raúl Medina

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How to Cite

NEW PROCESS BASED EQUATION FOR A STATIC EQUILIBRIUM BEACH PLANFORM. (2023). Coastal Engineering Proceedings, 37, sediment.27. https://doi.org/10.9753/icce.v37.sediment.27

Abstract

Equilibrium planform formulations of beaches are engineering tools for providing solutions for beach erosion problems. They aim at defining the final orientation of the beach on a scale of years and thus they are used for evaluating the shoreline response due to human interference (ports, breakwaters, protection works…etc). These formulations create engineering solution to numerous coastal stability problems. The Parabolic Bay Shape Equation (PBSE) proposed by Hsu and Evans (1989) is the most used equation and allow to solve problems. However, these shape equations are valid under certain simplifications. Therefore, they are unable to determine the beach planform when the bathymetry is complex, with rocky areas or/and islands. The aim of this study is to present a new equilibrium beach planform equation (Gainza et al. 2018) that overcomes the problem previously mentioned. What is more, an extension of the model is presented in order to modeled the shape of a shoreline on a given day.

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References

Gainza, González, Medina (2018): A process based shape equation for a static equilibrium beach planform, Coastal Engineering, ELSEVIER, vol. 136, pp.119-129.

González, Medina (2001): On the application of static equilibrium bay formulations to natural and man-made beaches, Coastal Engineering, ELSEVIER, vol. 43, pp. 209–225.

Hsu, Evans (1989): Parabolic Bay Shapes and Applications, Proceedings Institution Civil Engineers vol. 87, pp. 557–570.

This work is licensed under a Creative Commons Attribution 4.0 International License.

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NEW PROCESS BASED EQUATION FOR A STATIC EQUILIBRIUM BEACH PLANFORM

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