Crowd-based stream level observations and their potential value for constraining runoff models

Jan Seibert1,2, Ilja H.J. van Meerveld3 and Marc Vis3, (1)University of Zurich, Department of Geography, Zurich, Switzerland, (2)Swedish University of Agricultural Sciences, Department of Aquatic Sciences and Assessment, Uppsala, Sweden, (3)University of Zurich, Zurich, Switzerland