The present paper describes an experimental validation of the longshore transport model proposed by Lamberti & Tomasicchio [Lamberti, A., Tomasicchio, G. R., 1997. Stone mobility and longshore transport at reshaping breakwaters. Coastal Engineering 29, pp. 263 – 289.]. The model was proposed in the context of reshaping breakwaters and gravel beaches. It was assumed that: stones move up and down along the profile with the same obliquity of breaking and reflected waves at breaker depth; stones move according to displacement frequencies and displacement lengths affected by obliquity only through an appropriate mobility index. The main contribution of the present work is the extension of the longshore transport model for the case of sandy beaches. The validity of the adopted conceptual model has been extended by considering a different calibration of the coefficients that specify the longshore transport formula.
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