1. Department of Geology; School of Environment; University of Auckland; Auckland New Zealand
2. Now with CAGE - Centre for Arctic Gas Hydrate; Environment and Climate; UiT - The Arctic University of Norway; Tromsø Norway
3. GNS Science Ltd; Lower Hutt; New Zealand
4. GEOMAR Helmholtz Centre for Ocean Research; Kiel Germany
5. US Naval Research Laboratory; National Research Council; Washington DC USA
6. Now with Department of Physical & Environmental Sciences; Texas A&M University; Corpus Christi TX USA