1. GNS Science, 1 Fairway Drive, Avalon, Lower Hutt, Wellington 5011, New Zealand
2. School of Environment, University of Auckland, 23 Symond Street, Auckland 1010, New Zealand
3. Energy Geosciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States
4. Department of Physical and Environmental Sciences, Texas A & M University, 6300 Ocean Drive, Corpus Christi, Texas 78412-5850, United States
5. School of Engineering and Built Environment, Griffith University, Parklands Drive, Southport, Gold Coast, Queensland 4222, Australia
6. Department of Engineering Science, University of Auckland, 70 Symond Street, Auckland 1010, New Zealand
7. Petroleum Engineering Department, Harold Vance Department of Petroleum Engineering, Texas A & M University, 3116 TAMU College Station, College Station, Texas 77843-3116, United States
8. Victoria University of Wellington, PO Box 600, Wellington 6140, New Zealand
9. National Institute of Water and Atmospheric Research, 301 Evans Bay Parade Hataitai, Greta Point, Wellington 6021, New Zealand