1. Université Claude Bernard Lyon 1, LEHNA UMR 5023, CNRS, ENTPE, Villeurbanne F-69622, France
2. Lyon-Grenoble Auvergne-Rhône-Alpes, UR RiverLy, INRAE, Villeurbanne 69625, France
3. School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom