1. GNS Science, P.O. Box 30‐368, Lower Hutt 5040, New Zealand, n.litchfield@gns.cri.nz
2. University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
3. National Institute of Water and Atmospheric Research, 301 Evans Bay Parade, Wellington 6021, New Zealand
4. GNS Science, Private Bag 1930, Dunedin 9054, New Zealand
5. Victoria University of Wellington, P.O. Box 600, Wellington 6140, New Zealand
6. The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
7. University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
8. Humboldt State University, 1 Harpst Street, Arcata, California 95521
9. GNS Science, Private Bag 2000, Taupo 3352, New Zealand
10. University of Southern California, 3651 Trousdale Parkway, Los Angeles, California 90089
11. Physical Geography Group Massey University, Private Bag 11222, Palmerston North 4442, New Zealand
12. Pacific Gas and Electric Company, P.O. Box 997300, Sacramento, California 95899‐7300
13. Elxisgroup, Dimitressa 7‐9, Athens 11528, Greece