1. School of Earth Sciences, University of Western Australia, 35 Stirling Highway, Perth, Western Australia 6009, Australia
2. CSIRO Land and
Water, Private Bag No. 5, Wembley, Western Australia 6913, Australia
3. Lamont-Doherty Earth Observatory, Columbia University, 61 Route 9W, Palisades, New York 10964, United States
4. National Centre
for Groundwater Research and Training, Adelaide, South Australia 5001, Australia
5. Department of Environmental Sciences, Barnard College, 3009 Broadway, New York, New York 10027, United States