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A formula for longshore sediment transport in the Swash

In English

Författare

Summary, in English

A formula is proposed for the longshore sediment transport in the swash based on the study by Larson et al. on swash-zone transport and foreshore evolution. Hydrodynamics needed to predict the local transport rate were derived from ballistics theory, where both the cases with and without friction were investigated. The formula was validated with data from two experiments carried out in the Large-scale Sediment Transport Facility (LSTF) of the Coastal and Hydraulics Laboratory. In total five experimental cases were reproduced using a typical value on the transport rate coefficient from Larson et al. A simple exponential decay with distance offshore was employed to model the transition between the swash zone and the inner part of the surf zone. The LSTF data on transport rates measured in this region supported such a simplified model.

Publiceringsår

2007

Språk

Engelska

Publikation/Tidskrift/Serie

Coastal Sediments '07 - Proceedings of 6th International Symposium on Coastal Engineering and Science of Coastal Sediment Processes

Dokumenttyp

Konferensbidrag

Förlag

American Society of Civil Engineers (ASCE)

Ämne

  • Water Engineering

Nyckelord

  • Large-scale Sediment Transport Facility (LSTF)
  • Offshore
  • Longshore

Conference name

6th International Symposium on Coastal Engineering and Science of Coastal Sediment Processes

Conference date

2007-05-13 - 2007-05-17

Conference place

New Orleans, LA, United States

Status

Published