Probabilistic-deterministic modelling of swash zone morphology

Baldock, T. E., Kim Son, P., Manoonvoravong, P., Barnes, M. P. and Alsina, J. M. (2007). Probabilistic-deterministic modelling of swash zone morphology. In: Coastal Sediments 2007, New Orleans, United States, (286-299). 13-17 May 2007. doi:10.1061/40926(239)21

Author Baldock, T. E.
Kim Son, P.
Manoonvoravong, P.
Barnes, M. P.
Alsina, J. M.
Title of paper Probabilistic-deterministic modelling of swash zone morphology
Conference name Coastal Sediments 2007
Conference location New Orleans, United States
Conference dates 13-17 May 2007
Convener American Society of Civil Engineers
Journal name Coastal Sediments '07 - Proceedings of 6th International Symposium on Coastal Engineering and Science of Coastal Sediment Processes
Place of Publication Reston, VA, United States
Publisher World Scientific Publishing
Publication Year 2007
Sub-type Fully published paper
DOI 10.1061/40926(239)21
ISBN 9780784409268
Start page 286
End page 299
Total pages 14
Language eng
Abstract/Summary A probabilistic‐deterministic model for swash zone sediment transport is presented and applied to predict cross‐shore beach profile change under random waves. For accretionary conditions, inclusion of a random wave approach is essential for accurate representation of berm building processes. The model provides good estimates of beach volume changes for small scale laboratory experiments and sediment overwash volumes on a natural beach. Future modeling improvements are discussed, notably the inclusion of pre‐suspended sediment, sediment pickup and long wave influences. Field and laboratory data show that sediment is advected into the swash zone from much further offshore than predicted by the classical swash solution, which increases uprush suspended sediment flux. Conversely, backwash suspended sediment flux may be limited by hindered pickup which may occur when the thickness of the backwash sheet flow layer becomes large relative to the flow depth.
Subjects 0905 Civil Engineering
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

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