Number of gravel in Lake Lauvitel sediments - Fouinat, Laurent; Sabatier, Pierre; Poulenard, Jérôme; Reyss, Jean-Louis; Montet, Xavier; Arnaud, Fabien (In supplement to: Fouinat, L et al. (2017): A new CT scan methodology to characterize a small aggregation gravel clast contained in a soft sediment matrix. Earth Surface Dynamics, 5(1), 199-209, https://doi.org/10.5194/esurf-5-199-2017, 2017)