Estimating the long-term evolution of river bed levels using hydrometric dataJérôme Le Coz, Graeme Smart, Murray Hicks, Valentin Mansanarez, Benjamin Renard, Benoît Camenen and Michel LangE3S Web Conf., 40 (2018) 06003DOI: https://doi.org/10.1051/e3sconf/20184006003