Abstract

Gas hydrates with ice-like structures presenting in submarine sediments, are stable only at low temperature and high pressure, and are an energy source and an environmental hazard. This article analyses the distributing regulation of gas hydrates in the ocean from mass data which are gained from DSDP\ODP\IODP and other fields. The controlling factors of accumulation were discussed which include characters of marine geology, such as sedimentary velocity, content of the TOC, granularity of sediment, hydro-dynamic condition and ocean productivity.

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