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Journal of Marine Science and Application

, Volume 17, Issue 2, pp 241–253 | Cite as

Empirical Equilibrium Beach Profiles Along the Eastern Tombolo of Giens

  • Minh Tuan VuEmail author
  • Yves Lacroix
  • Viet Thanh Nguyen
Research Article
  • 90 Downloads

Abstract

Beaches along the eastern branch of the Giens double tombolo are subject to coastal erosion. Prediction of the behavior of the beach profile configuration in response to natural and anthropogenic changes using the concept of equilibrium beach profile (EBP) could be useful in finding the most suitable measure to address the erosion problem. Field investigation data of 11 beaches along the eastern tombolo were supplied for this study, and a nonlinear fitting technique was applied to estimate the best parameter values of seven empirical formulations of the relevant EBP. All of the observed beach profiles could be described by a single function, but a single EBP was inadequate to represent all of the beach profiles observed. The variation found could be explained in terms of longshore variation of bathymetry, sediment size, and wave parameters. Analysis of the validity of the EBPs revealed that a representative EBP of each beach is governed by different equilibrium parameters.

Keywords

Equilibrium beach profile Eastern tombolo of Giens Exponential function Logarithmic function Potential function, erosion, and accretion 

Notes

Acknowledgments

The authors are grateful to IGN, EGB, EOL, CETMEF, IFREMER, SHOM, and ECMWF for the kindly provided measured data. We warmly thank Assoc. Prof. Dr. Wang Gang in Hohai University, Nanjing, China, for his comments. We are also thankful to several anonymous reviewers for helpful reviews and discussions.

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Copyright information

© Harbin Engineering University and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Minh Tuan Vu
    • 1
    • 2
    Email author
  • Yves Lacroix
    • 1
    • 3
  • Viet Thanh Nguyen
    • 2
  1. 1.SEATECHUniversity of ToulonLa Valette-du-VarFrance
  2. 2.University of Transport and CommunicationsHanoiVietnam
  3. 3.MEMOCSUniversità Degli Studi dell’AquilaL’AquilaItaly

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