1. Department of Soil and Environment, SLU, Box 7014, Uppsala 750 07 Sweden
2. Department of Environment and Genetics, School of Agriculture, Biomedicine and Environment, La Trobe University, Albury/Wodonga Campus, Victoria 3690, Australia
3. Institute for Urban Water Management, TU Dresden, Bergstrasse 66, Dresden 01068, Germany
4. Environment Research Centre, Teagasc, Johnstown Castle, Wexford Y35 Y521, Ireland
5. The James Hutton Institute, Craigiebuckler, Aberdeen AB15 8QH, United Kingdom
6. School of Archaeology, Geography and Environmental Science, University of Reading, Whiteknights, Reading RG6 6AB, United Kingdom
7. Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana 46556, United States
8. Institute of Hydrobiology and Aquatic Ecosystem Management, Vienna University of Natural Resources and Life Sciences, Gregor Mendel Straße 33, Vienna 1180, Austria
9. Department for Catchment Hydrology, Helmholtz Centre for Environmental Research - UFZ, Theodor-Lieser-Straße 4, Halle (Saale) 06120, Germany
10. Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G 2E3, Canada
11. Department of Ecoscience, Aarhus University, Aarhus 8000, Denmark
12. Envidan A/S, Silkeborg 8600, Denmark
13. Environmental Hydrological Systems, University of Freiburg, Friedrichstraße 39, Freiburg 79098, Germany
14. Department of Hydrogeology, Helmholtz Centre for Environmental Research - UFZ, Permoserstr. 15, Leipzig 04318, Germany
15. Department of Civil and Environmental Engineering and Department of Earth and Environmental Sciences, and Water Institute, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
16. Water Institute and Department of Geography and Environmental Management, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
17. Department of Environmental System Sciences, ETH Zurich, Zurich CH-8092, Switzerland
18. Swiss Federal Research Institute WSL, Birmensdorf CH-8903, Switzerland