Affiliation: | 1. Flinders University, Adelaide, South Australia;2. Currently at Federal Institute for Geosciences and Natural Resources, BGR, Hannover, Germany;3. U.S. Geological Survey, Reston, VA;4. U.S. Geological Survey, Texas Water Science Center, Austin, TX;5. U.S. Geological Survey, East Hartford, CT;6. U.S. Geological Survey Wisconsin Water Science Center, Middleton, WI |