1. School of Physical and Chemical Sciences, University of Canterbury, Christchurch, New Zealand
2. National Institute of Water and Atmospheric Research, Wellington, New Zealand
3. Hawke's Bay Regional Council, Napier, New Zealand
4. Institute of Geological and Nuclear Sciences, Lower Hutt, New Zealand
5. Emission Impossible Ltd., Auckland, New Zealand
6. National Institute of Water and Atmospheric Research, Auckland, New Zealand
7. National Institute of Water and Atmospheric Research, Nelson, New Zealand