Observed suspended sediment profiles under the effect of single and double peaked wave spectra
Delgado Blanco, M.R.; Lizaso, M.; Giardino, A.; Banasiak, R.; Verhoeven, R.; Monbaliu, J. (2006). Observed suspended sediment profiles under the effect of single and double peaked wave spectra, in: Sánchez-Arcilla, A. (Ed.) Coastal Dynamics 2005: state of the practice - Fifth International Conference on Coastal Dynamics, April 4-8, 2005, Barcelona, Spain. pp. [1-14]. dx.doi.org/10.1061/40855(214)79
In: Sánchez-Arcilla, A. (Ed.) (2006). Coastal Dynamics 2005: state of the practice - Fifth International Conference on Coastal Dynamics, April 4-8, 2005, Barcelona, Spain: proceedings. American Society of Civil Engineers (ASCE): [s.l.]. ISBN 978-0-7844-0855-1. , meer
A series of experiments have been carried out in the DHI Shallow Water Basin in order to identify possible effects of a double peaked wave spectrum on sediment transport related processes. Wave conditions for different tests were chosen on the basis of a constant total amount of energy but with different distribution of this energy in the two peaks. Results show an increase in time averaged concentrations when a small swell component is added to a wind sea dominated spectrum. Similarly, a reduction takes place when a small wind sea component is added to a spectrum accounting for swell conditions. The analysis of the vertical distribution of turbulence and bed roughness features provides indicators of the origin of these variations in suspended sediment concentrations.
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