1. Dept. of Surface Water and Maritime Systems, Fraunhofer IOSB-AST, Am Vogelherd 50, 98693 Ilmenau, Germany (corresponding author).
2. Dept. of Operational Water Management, Deltares, Delft, Netherlands; and Dept. of Civil Engineering, Institute of Hydraulic Engineering, Univ. of Duisburg-Essen, Essen, Germany.
3. U.S. Dept. of Energy, Bonneville Power Administration, Portland, OR.