Liwen Wu^1,2, Jesus D Gomez-Velez³, Stefan Krause⁴, Tanu Singh⁴, Anders Wörman⁵ and Joerg Lewandowski⁶, (1)Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Berlin, Germany, (2)Vanderbilt University, Civil and Environmental Engineering, Nashville, United States, (3)Vanderbilt University, Civil and Environmental Engineering, Nashville, TN, United States, (4)University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, B15, United Kingdom, (5)KTH Royal Institute of Technology, River Engineering, Stockholm, Sweden, (6)Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Berlin, Germany