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Perret, E. / Berni, C. / Herrero, A. / Camenen B. / El kadi Abderrezzak, K. / Buffet, A. - 2017A very large scatter has been observed for the incipient motion threshold of a gravel bed in lit-erature, which can be explained by a lack of bed surface characterization. In the present work, a laser scan-ning technique is used and criteria to describe the bed surface are proposed in order to...Contributeur (s):