Sand transport by surface waves: can streaming explain the onshore transport?

Wouter Kranenburg; Jan Ribberink; Rob Uittenbogaard

doi:10.9753/icce.v32.sediment.11

Sand transport by surface waves: can streaming explain the onshore transport?

Wouter Kranenburg, Jan Ribberink, Rob Uittenbogaard

Marine and Fluvial Systems

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

In wave flumes an onshore boundary layer current is present that is not present in oscillating flow tunnels. We investigate numerically the hypothesis that this streaming explains the measured increase of onshore directed sediment transport in flumes over tunnels. In the formulation and validation of the model special attention has been given to the wave-generated net current profile. From model experiments we conclude that the additional current indeed contributes to onshore transport, but can not be the full explanation of the measured differences in transport rates. Other contributing mechanisms are the amplification/reduction of the fall velocity by vertical sediment advection (only relevant for fine grains) and the amplification/reduction of the concentration at maximum onshore/offshore velocity by intra-wave gradients in horizontal sediment flux. The latter contributes, for the investigated cases, to onshore transport with comparable order as the boundary layer current. These conclusions are relevant for further development of parameterizations of wave-induced sediment transport for morphodynamic models.

Original language	English
Title of host publication	Proceedings of 32nd International Conference on Coastal Engineering (ICCE)
Subtitle of host publication	30 June - 5 July 2010, Shanghai
Editors	Jane McKee Smith, Patrick Lynett
Publisher	Coastal Engineering Research Council
Pages	1-14
ISBN (Print)	978-0-9896611-0-2
DOIs	https://doi.org/10.9753/icce.v32.sediment.11
Publication status	Published - 30 Jun 2011
Event	32nd International Conference on Coastal Engineering, ICCE 2010 - Shanghai, China Duration: 30 Jun 2010 → 5 Jul 2010 Conference number: 32

Publication series

Name	Coastal Engineering Proceedings
Publisher	978-0-9896611-0-2
ISSN (Electronic)	2156-1028

Conference

Conference	32nd International Conference on Coastal Engineering, ICCE 2010
Abbreviated title	ICCE
Country	China
City	Shanghai
Period	30/06/10 → 5/07/10

Keywords

METIS-275181

Access to Document

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Kranenburg, W., Ribberink, J., & Uittenbogaard, R. (2011). Sand transport by surface waves: can streaming explain the onshore transport? In J. McKee Smith, & P. Lynett (Eds.), Proceedings of 32nd International Conference on Coastal Engineering (ICCE): 30 June - 5 July 2010, Shanghai (pp. 1-14). (Coastal Engineering Proceedings). Coastal Engineering Research Council. https://doi.org/10.9753/icce.v32.sediment.11

Kranenburg, Wouter ; Ribberink, Jan ; Uittenbogaard, Rob. / Sand transport by surface waves : can streaming explain the onshore transport?. Proceedings of 32nd International Conference on Coastal Engineering (ICCE): 30 June - 5 July 2010, Shanghai. editor / Jane McKee Smith ; Patrick Lynett. Coastal Engineering Research Council, 2011. pp. 1-14 (Coastal Engineering Proceedings).

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abstract = "In wave flumes an onshore boundary layer current is present that is not present in oscillating flow tunnels. We investigate numerically the hypothesis that this streaming explains the measured increase of onshore directed sediment transport in flumes over tunnels. In the formulation and validation of the model special attention has been given to the wave-generated net current profile. From model experiments we conclude that the additional current indeed contributes to onshore transport, but can not be the full explanation of the measured differences in transport rates. Other contributing mechanisms are the amplification/reduction of the fall velocity by vertical sediment advection (only relevant for fine grains) and the amplification/reduction of the concentration at maximum onshore/offshore velocity by intra-wave gradients in horizontal sediment flux. The latter contributes, for the investigated cases, to onshore transport with comparable order as the boundary layer current. These conclusions are relevant for further development of parameterizations of wave-induced sediment transport for morphodynamic models.",

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Kranenburg, W, Ribberink, J & Uittenbogaard, R 2011, Sand transport by surface waves: can streaming explain the onshore transport? in J McKee Smith & P Lynett (eds), Proceedings of 32nd International Conference on Coastal Engineering (ICCE): 30 June - 5 July 2010, Shanghai. Coastal Engineering Proceedings, Coastal Engineering Research Council, pp. 1-14, 32nd International Conference on Coastal Engineering, ICCE 2010, Shanghai, China, 30/06/10. https://doi.org/10.9753/icce.v32.sediment.11

Sand transport by surface waves : can streaming explain the onshore transport? / Kranenburg, Wouter; Ribberink, Jan; Uittenbogaard, Rob.

Proceedings of 32nd International Conference on Coastal Engineering (ICCE): 30 June - 5 July 2010, Shanghai. ed. / Jane McKee Smith; Patrick Lynett. Coastal Engineering Research Council, 2011. p. 1-14 (Coastal Engineering Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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N2 - In wave flumes an onshore boundary layer current is present that is not present in oscillating flow tunnels. We investigate numerically the hypothesis that this streaming explains the measured increase of onshore directed sediment transport in flumes over tunnels. In the formulation and validation of the model special attention has been given to the wave-generated net current profile. From model experiments we conclude that the additional current indeed contributes to onshore transport, but can not be the full explanation of the measured differences in transport rates. Other contributing mechanisms are the amplification/reduction of the fall velocity by vertical sediment advection (only relevant for fine grains) and the amplification/reduction of the concentration at maximum onshore/offshore velocity by intra-wave gradients in horizontal sediment flux. The latter contributes, for the investigated cases, to onshore transport with comparable order as the boundary layer current. These conclusions are relevant for further development of parameterizations of wave-induced sediment transport for morphodynamic models.

AB - In wave flumes an onshore boundary layer current is present that is not present in oscillating flow tunnels. We investigate numerically the hypothesis that this streaming explains the measured increase of onshore directed sediment transport in flumes over tunnels. In the formulation and validation of the model special attention has been given to the wave-generated net current profile. From model experiments we conclude that the additional current indeed contributes to onshore transport, but can not be the full explanation of the measured differences in transport rates. Other contributing mechanisms are the amplification/reduction of the fall velocity by vertical sediment advection (only relevant for fine grains) and the amplification/reduction of the concentration at maximum onshore/offshore velocity by intra-wave gradients in horizontal sediment flux. The latter contributes, for the investigated cases, to onshore transport with comparable order as the boundary layer current. These conclusions are relevant for further development of parameterizations of wave-induced sediment transport for morphodynamic models.

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Kranenburg W, Ribberink J, Uittenbogaard R. Sand transport by surface waves: can streaming explain the onshore transport? In McKee Smith J, Lynett P, editors, Proceedings of 32nd International Conference on Coastal Engineering (ICCE): 30 June - 5 July 2010, Shanghai. Coastal Engineering Research Council. 2011. p. 1-14. (Coastal Engineering Proceedings). https://doi.org/10.9753/icce.v32.sediment.11