1. Geological Survey of Denmark and Greenland Copenhagen Denmark
2. Department of Geosciences and Natural Resource Management University of Copenhagen Copenhagen Denmark
3. Agrosphere IBG‐3 Forschungszentrum Juelich GmbH Juelich Germany
4. Hydroinnova LLC Albuquerque NM USA
5. Department of Hydrology and Atmospheric Sciences University of Arizona Tucson AZ USA