Sentences with phrase «gas hydrate»

One cubic meter of gas hydrate on the ocean floor contains 165 cubic meters of gas at room temperature and pressure.

Besides, not only temperatures but pressure also determines gas hydrate stability.

Ice sheets are heavy and cold, providing pressure and temperatures that contain methane in form of ice - like substance called gas hydrate.

This year's spending plan is focused on carbon capture and storage technologies and gas hydrate research.

Warming destabilises permafrost and marine sediments of methane gas hydrates in some regions according to some model simulations (Denman et al., 2007 Section 7.4.1.2), as has been proposed as an explanation for the rapid warming that occurred during the Palaeocene / Eocene thermal maximum (Dickens, 2001; Archer and Buffett, 2005).

It was developed by scientists at CAGE — Centre for Arctic Gas Hydrate Environment and Climate, and shows that seafloor off Western Svalbard was covered by a large ice sheet during the last glaciation.

«The most likely process where this happens - and there is geological evidence that it has happened in the past - is when the methane gas hydrate layer in the sediment destabilises on a slope.

A team of researchers from the GEOMAR Helmholtz Centre for Ocean Research Kiel together with colleagues from Bergen, Oslo and Tromsø (Norway), have now discovered that large - scale sedimentation caused by melting of glaciers in a region off Norway has played a greater role in gas hydrate dissociation than warming ocean waters.

Gordon Research Conference on Natural Gas Hydrate Systems will be held in Galveston, Texas from February 28 to March 4, 2016.

The University of New Hampshire will study the dynamic response of gas hydrate systems and their potential impact on sea - floor stability, ocean ecology, and global climate by reconstructing the paleo - positions of certain parameters related to the release of methane at three sites on the Cascadia margin.

These data include new aircraft observations from the northern permafrost region (e.g., the NASA Arctic - Boreal Vulnerability Experiment) and measurement of sea - air gas exchange (e.g., the U.S. Geological Survey (USGS) Gas Hydrates Project).

It was stored as gas hydrate in the sediment, constantly fed by gas from below, creating over-pressured conditions.

Gas hydrate pingos, have been discovered in the Arctic oceans Barents sea.

Cretaceous climate warming led to a significant methane release from the seafloor, indicating potential for similar destabilization of gas hydrates under modern global warming.

Rising Arctic Ocean temperatures cause gas hydrate destabilization and ocean acidification.

Such a scenario, though very uncertain, has the potential to influence the stability of gas hydrates on the slope.

There are large gas hydrate deposits, and many crater - like structures, so - called «pockmarks», on the seabed.

Reference: Serov, P., et.al., Postglacial response of Arctic Ocean gas hydrates to climatic amelioration.

In 2002 an international team of scientists began drilling into the frozen Mallik Gas Hydrate Field in Canada's Northwest Territories to explore this second possibility.

When drilling in oil - and gas - bearing formations submerged in deep water, the reservoir gas may flow into the well bore and form gas hydrates owing to the low temperatures and high pressures found during deep water drilling.

Thus, scientists fear that warming of global water temperatures could destabilize gas hydrates on a large scale.

Our results stress the importance of external climatic forcing of the dynamics of the seafloor, and the role of the rapid warming following the Younger Dryas in pacing the marine gas hydrate reservoir.

The Indian National Gas Hydrate Program was an important part of the Bay of Bengal explorations, as India can use a natural gas supply to replace LNG imports.

Brewer, P.G., C. Paull, E.T. Peltzer, W. Ussler, G. Rehder, and G. Friederich, Measurements of the fate of gas hydrates during transit through the ocean water column, Geophysical Research Letters, 29 (22), 2002.

The research to be conducted by Georgia Tech will advance the understanding of the behavior of gas hydrates hosted in fine - grained sediments such as clay or silt, and will evaluate extraction methods relevant to the potential to produce gas from such sediments.

The research proposed by Oklahoma State will help to further develop an understanding of the structural and geologic controls on hydrate occurrence and distribution in Walker Ridge 313 and Green Canyon 955 using new techniques to interpret gas hydrate occurrences in existing seismic data, along with well data collected during prior Energy Department research efforts at those sites.

[25] The Mallik gas hydrate field was first discovered by Imperial Oil in 1971 - 1972.

Gas hydrates naturally form along the coasts of continents and in Arctic permafrost, places where water and gas mix at relatively high pressure and low temperature.

The ice sheet provides perfect conditions for subglacial gas hydrate formation, in the past as well as today.

Permafrost was known to contain gas hydrates — icelike mixtures of water and organic gases first identified in deep - sea sediments which form only at very high pressures and low temperatures.

«We should see gas hydrate becoming a meaningful and environmentally friendly resource in the next century,» Sassen says.

«Why did gas hydrates melt at the end of the last ice age?

Biastoch, et al (eleven of them, including Latif, and Wallman at the University of Kiel, have thought about the fate of the methane hydrates, and in an article entitled «Rising Arctic Ocean temperatures cause gas hydrate destabilization and ocean acidification» conclude that the major effect will be a decrease of pH, near the Arctic Ocean coasts.

«Gas hydrates normally form in water depths over 300 meters, because they depend on high pressure.

«The Energy Policy Act of 2005 similarly speaks directly to the production of fossil fuels... («The purpose of this section is to promote natural gas production from the natural gas hydrate resources on the outer Continental Shelf and Federal lands in Alaska»); id.

Researchers at Southern Methodist University will conduct numerical modeling, field data collection, and extensive laboratory analyses to characterize the state of the upper boundary of pressures and temperatures where gas hydrates are in a stable form on the Alaskan Beaufort continental slope.

This is why gas hydrates are found not only in the Arctic, but all over the world on the sea shelf and underwater slopes.

Based on pressure and temperature modelling, we show that the last deglaciation could have triggered dissociation of gas hydrates present in the region of the northern part of the Norwegian Channel, causing degassing of 0.26 MtCH4 / km2 at the seafloor.