Gas hydrate transect across Northern Cascadia Margin

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Abstract

Gas hydrate is a solid compound mainly comprised of methane and water that is stable under low temperature and high pressure conditions. Usually found in offshore environments with water depths exceeding about 500 meters and in arctic regions associated with permafrost, gas hydrates form an efficient storage system for natural gas. Hence, they may represent an important future energy resource [e.g., Kvenvolden, 1988]. Gas hydrates also form a natural geo-hazard, and may play a significant role in global climate change [e.g., Dillon et al., 2001].

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