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Methane clathrate, also known commonly as methane hydrate, is a form of water ice that contains a large amount of methane within its crystal structure. Potentially large deposits of methane clathrate have been found under sediments on the ocean floors of the Earth, although the estimates of total resource size given by various experts differ by ...
The ice-core methane clathrate record is a primary source of data for global warming research, along with oxygen and carbon dioxide. Methane clathrates used to be considered as a potential source of abrupt climate change , following the clathrate gun hypothesis .
A 2001 bubble plume study suggested that the free gas zone (see "Methane Venting") under surface sediments at Hydrate Ridge is thick. If this is the case, and if other active hydrate formations share this characteristic, more methane may be released (and influence climate change) than was anticipated prior to the study, according to researchers ...
Methane clathrate block embedded in the sediment of hydrate ridge, off Oregon, USA. Clathrate hydrates, or gas hydrates, clathrates, or hydrates, are crystalline water-based solids physically resembling ice, in which small non-polar molecules (typically gases) or polar molecules with large hydrophobic moieties are trapped inside "cages" of hydrogen bonded, frozen water molecules.
Methane hydrate deposits in the Arctic were once thought to be vulnerable to a rapid dissociation which would have a large impact on global temperatures, in a dramatic scenario known as a clathrate gun hypothesis. Later research found that it takes millennia for methane hydrates to respond to warming, [148] while methane emissions from the ...
Since the discovery of methane seeps and novel microbial and macrofauna at Hydrate Ridge in 1986, the Southern Hydrate Ridge has become an extensive study site. [4] Currently, it is one of the study sites under the OOI Regional Cabled Array. [2] Infrastructure, including a diverse suite of instruments, was installed and became fully operational ...
Two widely touted Alzheimer’s drugs have been shown to enable patients to remain in their homes for longer periods of time. Those medications, however, are not without their risks and side effects.
The Japanese drilling project, part of the “Methane Hydrate Research and Development (R&D) Program”, [4] is located in the Nankai Trough region along the southeastern margin of Japan. The production research well project was developed in this region after field surveys completed by the Japanese government in 1995 revealed the existence of a ...