Effect of surface rollers on the formation of crescentic bars: Large angles of incidence

D. Calvete, F. Ribas, H. E. De Swart, A. Falqués

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

The formation of crescentic bars is examined using a morphodynamic model based in linear stability analysis. The effect of surface rollers for off-normal wave conditions is examined. The effect of the rollers is to increase the e-folding times with increasing the angle of incidence. For angles large enough the formation of crescentic bars is even inhibit. The main effect of the rollers it be through hydrodynamics. The longitudinal changes in current produced by the rollers cause the maximum of sediment concentration to be shifted towards the coast with the final effect of prevent the formation of crecscentic bars.

Original languageEnglish
Title of host publicationProceedings of the 33rd International Conference on Coastal Engineering 2012, ICCE 2012
Publication statusPublished - 2012
Event33rd International Conference on Coastal Engineering 2012, ICCE 2012 - Santander, Spain
Duration: 1 Jul 20126 Jul 2012

Publication series

NameProceedings of the Coastal Engineering Conference

Conference

Conference33rd International Conference on Coastal Engineering 2012, ICCE 2012
Country/TerritorySpain
CitySantander
Period1/07/126/07/12

Keywords

  • Crescentic bars
  • Morphodynamics
  • Rip chanels
  • Surface rollers
  • Surfzone

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