1. PhD, Georgia Institute of Technology, 210 Technology Circle, Savannah, GA 31407; formerly, Laboratory of Hydraulics, Hydrology and Glaciology (VAW), Swiss Federal Institute of Technology (ETH), CH-8092 Zurich, Switzerland. E-mail: hermann.fritz@gtrep.gatech.edu
2. Professor, PhD, Laboratory of Hydraulics, Hydrology and Glaciology (VAW), Swiss Federal Institute of Technology (ETH), CH-8092 Zurich, Switzerland. E-mail: hager@vaw.baug.ethz.ch
3. Professor, PhD, Laboratory of Hydraulics, Hydrology and Glaciology (VAW), Swiss Federal Institute of Technology (ETH), CH-8092 Zurich, Switzerland. E-mail: minor@vaw.baug.ethz.ch