1. National Research Program, U.S. Geological Survey; Reston Virginia USA
2. Hydrometeorological Applications Program, National Center for Atmospheric Research; Boulder Colorado USA
3. Swedish Meteorological and Hydrological Institute; Norrköping Sweden
4. National Institute of Water and Atmospheric Research; Auckland New Zealand
5. Office of Surface Water; U.S. Geological Survey; Reston Virginia USA
6. Department of Geography; University of Zurich; Zurich Switzerland
7. Colorado Water Science Center, U.S. Geological Survey; Lakewood Colorado USA
8. Department of Civil Engineering; University of Bristol; Bristol UK
9. National Research Institute of Science and Technology for Environment and Agriculture (IRSTEA); France
10. Department of Computational Environmental Systems and Monitoring; Helmholtz Centre for Environmental Research-UFZ; Leipzig Germany
11. Institute of Hydrology and Water Resource Management, Vienna University of Technology; Vienna Austria
12. Lower Mississippi-Gulf Water Science Center, U.S. Geological Survey; Montgomery Alabama USA
13. Illinois Water Science Center, U.S. Geological Survey; Urbana Illinois USA