Conclusions

Gas hydrate has been identified in the North Atlantic and Arctic Oceans. Its extent is not known in detail owing to lack of field data. Geophysical identifications of hydrate along the Norwegian continental margin have been proved by drilling (also see Chapter 23) and seafloor sampling (Vogt et al., 1999).

If the methane generating character of the sediments in the Canada Basin is appreciable, then enormous volumes of hydrate could be present.

Under-ice survey from submarine should resolve the Hydrate Economic Zone (Glossary of Terms) and allow quantification of hydrate.

Acknowledgements MDM thanks P. Vogt, E. Sundvor, O. Eldholm, and Y. Ohta for many discussions. Some of the results have been obtained as part of the SFB 313 of the University of Kiel funded by the Deutsche Forschungsgemeinschaft and the European North Atlantic Margin (ENAM II) project of the MAST III programme of the European Commission (MAS3-CT95-0005).

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