Comparison of sediment transport formulae for the coastal environment

Camenen, B.; Larroudé, Philippe

doi:10.1016/s0378-3839(03)00002-4

Cited by 57 publications

(53 citation statements)

References 14 publications

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“…There are a number of nearshore sediment transport formulas that have been developed through the years for different types of applications in coastal engineering. For example, several formulas were examined and evaluated by Bayram et al (2001), and Camenen and Larroude (2003). However, these formulas have typically described a specific set of physical processes and been validated with limited data.…”

Section: Review Of Relevant Previous Workmentioning

confidence: 99%

A numerical model of nearshore waves, currents, and sediment transport

Nam

Larson

Hanson

et al. 2009

Coastal Engineering

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ASCE, 1924ASCE, -1937. Three high-quality data sets from the LSTF experimental facility at the Coastal and Hydraulics Laboratory in Vicksburg, USA, were used to evaluate the predictive capability of the model. Good agreement between computations and measurements was obtained with regard to the cross-shore variation in waves, currents, mean water elevation, and sediment transport in the nearshore and swash zone. The present model will form the basis for predicting morphological evolution in the nearshore due to waves and currents with special focus on coastal structures.

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Section: Review Of Relevant Previous Workmentioning

confidence: 99%

A numerical model of nearshore waves, currents, and sediment transport

Nam

Larson

Hanson

et al. 2009

Coastal Engineering

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“…The sensitivity of empirical transport formulas on transport predictions has already been addressed by comparison with field data (Camenen & Larroudé, 2003) or using Monte Carlo approaches (Pinto et al, 2006). The purpose of this section is the test of the influence of the transport formulas on the development of the Óbidos Inlet.…”

Section: Influence Of the Empirical Formula On óBidos Inlet Developmentmentioning

confidence: 99%

Sensitivity analysis of a morphodynamic modeling system applied to a Portuguese tidal inlet

Bertin¹,

Fortunato²,

Oliveira³

2007

River, Coastal and Estuarine Morphodynamics: RCEM 2007, Two Volume Set

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Coastal area morphodynamic models are prone to severe errors arising from various sources, including: (1) the use of empirical sediment transport formulae (Pinto et al., 2006); (2) the reliability of the data used to feed the models; (3) the use of simplifying physical assumptions; (4) the error propagation between the various modules. Since these errors can be significant, the usefulness and credibility of morphodynamic simulations require a thorough understanding of their uncertainty. This paper addresses the practical implications of these input parameters on the development of a tidal inlet. A sensitivity analysis is performed through the application of the morphodynamic modeling system MORSYS2D (Fortunato and Oliveira, 2004) to the Óbidos lagoon (Oliveira et al., 2005), a small but very rapidly evolving coastal system located in western Portugal. The influences of: (1) sediment characteristics; (2) the choice of the forcing tide and (3) the sediment transport formula are analysed, namely through the inlet cross-section evolution and the ebb-delta development. The choice of the forcing tide appears important, since the use of a real tide, rather than a representative tide, induces: (1) faster morphological changes; (2) 15-day cyclic evolutions (spring-neap tidal cycle); (3) larger ebb-deltas and inlet cross-sections. Sediment grain size and empirical transport formulae rather affect the rapidity of morphological changes, since equilibrium is reached after 3 months of simulations and final inlet morphologies are noticeably comparable. Nevertheless, the good agreement of the results after three months of simulation demonstrates the reliability of the modelling system on the time scales of months.

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“…Other sediment transport parameterizations used in coastal morphodynamics are the ones of Ackers and White (1973), Bijker (1968), Dijbajnia and Watanabe (1992) or Ribberink (1998). An illustration of different sediment parameterizations can be found in Camenen and Larroudé (2003). Bailard (1981), bedload Bailard (1981), suspended load Grass (1981) Soulsby -van Rijn (Soulsby,1997)…”

Section: The Sediment Stirring Functionmentioning

confidence: 99%

91. THE ROLE OF THE DEPTH-AVERAGED CONCENTRATION IN COASTAL MORPHODYNAMICS

Calvete¹,

Falqués²,

Swart³

et al. 2009

Proceedings of Coastal Dynamics 2009

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In this contribution a discussion is presented on the development of self-organized coastal morphodynamic patterns which are due to the joint action of gradients in the depth-integrated concentration and the flow. This is done in the context of a depth-averaged shallow water model. Two physical mechanisms produce deposition-erosion patterns. Deposition either occurs where the current flows from high to low depth-averaged concentrations (1) or where the flow diverges (2). If flow conditions are quasi steady (i.e., the time scale on which bedforms evolve is much larger than the hydrodynamic time scales) only the former mechanism contributes to the formation of bottom patterns.

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Comparison of sediment transport formulae for the coastal environment

Cited by 57 publications

References 14 publications

A numerical model of nearshore waves, currents, and sediment transport

A numerical model of nearshore waves, currents, and sediment transport

Sensitivity analysis of a morphodynamic modeling system applied to a Portuguese tidal inlet

91. THE ROLE OF THE DEPTH-AVERAGED CONCENTRATION IN COASTAL MORPHODYNAMICS

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