Bottom friction and bedload sediment transport caused by boundary layer streaming beneath random waves

Dag Myrhaug*, Lars Erik Holmedal, Haavard Rue

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The effect of boundary layer streaming on sea bed shear stresses, as well as on the mean bedload sediment transport rate, beneath random waves, is investigated. Formulas for the bottom friction and bedload sediment transport under regular waves have been applied to obtain the mean bedload sediment transport rate caused by steady streaming under linear random waves. Friction factors for steady streaming under random waves are also provided. The effect of streaming and second order wave asymmetry on the mean bedload sediment transport rate is discussed.

Original languageEnglish (US)
Pages (from-to)183-197
Number of pages15
JournalApplied Ocean Research
Volume26
Issue number5
DOIs
StatePublished - Jul 1 2004

Keywords

  • Bedload transport rate
  • Bottom friction
  • Nonlinear waves
  • Random waves
  • Stochastic approach
  • Streaming

ASJC Scopus subject areas

  • Ocean Engineering

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