C.A. Fleming, B.M. Pinchin, R.B. Nairn


The Canadian Coastal Sediment Study, known as C2S2, included numerous activities related to improving the measurement and prediction of sand transport in the nearshore zone. The data was used to evaluate a number of predictive techniques commonly used for coastal zone modelling for both alongshore and onshore/offshore sediment transport modelling. Field experiments were carried out at two sites. This paper is concerned with the first of these sites at Pointe Sapin, New Brunswick. Computed transport rates were compared with volumes of sand that accumulated in a sand trap formed by an offshore breakwater upstream of the mouth of Pointe Sapin harbour. The predictive techniques used were a parametric wave hindcasting model, a spectral wave refraction model, alongshore current predictors, seven of which rely on computed alongshore current distributions.


nearshore processes; model evaluation

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