Abstract
In this paper, we re-derived the Bagnold formula and showed that the net onshore sediment transport is correlated to the bottom shear stress. The reformulated model is tested with data and and showed very promising future.References
Bagnold, R. A. (1963) Mechanics of marine sedimentation, The Sea: Ideas and Observations, M. N. Hill ed, Interscience, Vol. 3, 507-528.
Bagnold, R. A. (1966) An approach to the sediment transport problem from general physics, Prof. Paper 422-1, U. S. Geol. Surv.
Bailard, J. A. (1981) An energetics total load sediment transport model for a plane slopping beach, J. Geophys. Res., 86 (C11), 10938-10954.http://dx.doi.org/10.1029/JC086iC11p10938
Bowen, A. J. (1980) Simple models of nearshore sedimentation: Beach proï¬les and longshore bars, In Coastline of Canada, 1-11, Halifax. Geological Survey of Canada.
Calantoni, J. and J. A. Puleo (2006) Role of pressure gradients in sheet flow of coarse sediments under sawtooth waves, J. Geophys. Res., 111, C01010, doi:10.1029/2005JC002875. http://dx.doi.org/10.1029/2005JC002875
Dohmen-Janssen, C. M., and D. M. Hanes(200): Sheet flow dynamics under monochromatic nonbreaking waves, J. Geophys. Res., 107(C10), 3149, doi:10.1029/2001JC001045.http://dx.doi.org/10.1029/2001JC001045
Drake, T. G. and J. Calantoni (2001) Discrete particle model for sheet flow sediment transport in the nearshore, J. Geophys. Res., 106 (C9), 19859-19868.http://dx.doi.org/10.1029/2000JC000611
Elgar, S., E. L. Gallagher and R. T. Guza (2001) Nearshore sandbar migration, J. Geophys. Res., 106 (C6),11623-11627. http://dx.doi.org/10.1029/2000JC000389
Foster, D. L., A. J. Bowen, R. A. Holman, and P. Natoo (2006), Field evidence of pressure gradient induced incipient motion, J. Geophys. Res., 111, C05004, doi:10.1029/2004JC002863.http://dx.doi.org/10.1029/2004JC002863
Gallagher, E. L., S. Elgar and R. T. Guza (1998) Observation of sand bar evolution on a natural beach, J. Geophys. Res., 103 (C2), 3203-3215. http://dx.doi.org/10.1029/97JC02765
Gonzalez-Rodriguez, D. and Madsen, O. S. (2008): Bedload transport due to asymmetric and skewed waves plus a current. Proc. of 31st International Conference on Coastal Engineering (ICCE2008). pp 1596-1605.
Guard, P. A. and P. Nielsen (2008): unsteady flow effects on bed shear stress and sheet flow sediment transport. Proc. of 31st International Conference on Coastal Engineering (ICCE2008). pp 1521-1532.
Henderson, S., J. S. Allen and P. A. Newberger (2004) Nearshore sandbar migration predicted by an eddy-diffusive boundary layer model, J. Geophys. Res., 109, C06024, doi:10.1029/2003JC002137. http://dx.doi.org/10.1029/2003JC002137
Hoefel, F. and S. Elgar (2003) Wave-induced sediment transport and sandbar migration, Science, 299, 1885-1887. PMid:12649479 http://dx.doi.org/10.1126/science.1081448
Hsu, T. -J. and D. M. Hanes (2004) The effect of wave shape on sheet flow sediment transport, J. Geophys. Res., 109, C05025. http://dx.doi.org/10.1029/2003JC002075
Nielsen, P. (2002) Shear stress and sediment transport calculations for swash zone modelling. Coastal Engineering, 45, 53-60. http://dx.doi.org/10.1016/S0378-3839(01)00036-9
Nielsen, P. and D. P. Callaghan (2003) Shear stress and sediment transport for sheet flow under waves. Coastal Engineering, 47, 347-354. http://dx.doi.org/10.1016/S0378-3839(02)00141-2
Puleo, J. A., O. Mouraenko and D. M. Hanes (2004) One-dimensional wave bottom boundary layer model comparison: speciï¬c eddy viscosity and turbulence closure models, J. Waterway, Port, Coast. Ocean Engrng., 130 (6), 322-325. http://dx.doi.org/10.1061/(ASCE)0733-950X(2004)130:6(322)
Ruessink, B. G., T. J. J. van den Berg, and L. C. van Rijn (2009), Modeling sediment transport beneath skewed asymmetric waves above a plane bed, J. Geophys. Res., 114, C11021, doi:10.1029/2009JC005416.http://dx.doi.org/10.1029/2009JC005416
Sleath, J. F. A. (1999) Conditions for plug formation in oscillatory flow, Continental Shelf Research, 19, 1643-1664. http://dx.doi.org/10.1016/S0278-4343(98)00096-X
Zhao, Q., J. T. Kirby and J. A. Puleo (2010): Bagnold formula revisited: Can energetics models be used to model on-shore sediment transport? In preparation.