1. Department of Geosciences University of Arkansas Fayetteville AR USA
2. Institute of Geography University of Mainz Mainz Germany
3. Department of Physical Geography Utrecht University Utrecht The Netherlands
4. Department of Civil Engineering University of Victoria Victoria Canada
5. Kansas Geological Survey University of Kansas Lawrence KS USA
6. Department of Earth, Ocean and Atmospheric Science Florida State University Tallahassee FL USA
7. Institute of Environmental Sciences and Geography University of Potsdam Potsdam Germany
8. School of Earth and Environmental Sciences Cardiff University Cardiff UK
9. Consortium of Universities for the Advancement of Hydrologic Sciences Inc. (CUAHSI) Arlington MA USA
10. Deltares, Unit Subsurface and Groundwater Systems Utrecht The Netherlands