Sentences with phrase «release of methane»

Because they form by leakage of methane into seawater it implies that something at that time caused a large release of methane into the ocean.

The rapid release of methane gas in a closed system can result in a rapid increase in pressure.

The accelerated release of methane is one of the so - called «tipping point» concerns related to climate change.

The ongoing release of methane is what supplies, and determines the concentration of, the ongoing concentration of methane in the atmosphere.

My understanding is that the atmosphere warmed by about 6 degrees C from our current level, and that triggered increasing releases of methane from clathrates in a positive feedback fashion over thousands of years (or was it millions of years??).

It is also very hard to know what effect methane from melting permafrost will do and if we will encounter significant releases of methane clathrates in ocean sediment.

When a scientist says something «could» happen, such as explosive releases of methane in the Arctic Ocean could happen in the future, what is the degree of certainty on that?

It discusses this issue and concludes that sudden release of methane from ESAS is unlikely this century, but that the area needs to be studied more.

A major release of methane trapped in the frozen seabed off Russia could accelerate global warming and cause $ 60 trillion in damage, almost the size of world GDP, it said.

We also have to pay attention to the potential release of methane from melting permafrost.»

Possible run - away greenhouse due to such things as release of the methane clathrate (hydrate) on the ocean floors;

Scientists claim to have discovered evidence for large releases of methane into the atmosphere from frozen seabed stores off the northern coast of Siberia.

And note their Section 4 — contemplating what happens if deep warm water currents change in a way that changes the current temperature in areas where methane hydrates are in equilibrium, suggesting the possibility of a rapid large scale release of methane gas.

Recent media coverage of craters appearing in a remote region of Siberia (conveniently, apparently, known as «the end of the world») has been surprisingly thin in climate emergency hyperbole, even though the explosive release of methane from thawing permafrost appears the most likely explanation of these mystery craters (see here and here).

Instead of abrupt release of methane which is evident in other parts of the Arctic, the hydrate melt in ocean floor off Western Svalbard caused slow and steady seeps that are ongoing.

«Of all the glacial environments, it's one that's most unstable with the potential release of methane gas from its thawing tundra and the release of fresh water into salt water affecting the thermal circulation of the North Atlantic drift.

One concern is the potential release of methane during hydraulic fracturing, or «fracking», which uses injections of high - pressure fluids to shatter rock and release trapped gas.

Widespread release of methane from hydrates has happened a couple of other times — once apparently during the Paleocene / Eocene thermal maximum, and apparently back in the Precambrian, in a really huge event that rescued the earth from a frozen «snowball earth» state.

The IPCC report did not take into account thawing permafrost and the subsequent release of methane.

Myhre, C. L., et al. (2016), Extensive release of methane from Arctic seabed west of Svalbard during summer 2014 does not influence the atmosphere, Geophys.

Quigley: «Yodyte may refer to the Paleocene - Eocene transition 55 million years ago, when warming caused release of methane from methane hydrates on the ocean floor.

It doesn't take into account a couple of effects, such as a sustained release of methane from permafrost

Giant sporadic releases of methane could mean that Titan is a much wetter place from time to time.

Many emission factors used to estimate releases of methane — a potent greenhouse gas associated with oil and natural gas development — are «far too low,» says Robert Howarth, an ecology and environmental biology professor at Cornell University.

Shakhova and her colleagues investigated releases of methane from permafrost underneath a shallow part of the Arctic Ocean called the East Siberian Arctic Shelf, which sits in the ocean north of Siberia and east of the Lena River Delta.

-- Eliminate the venting or accidental release of methane co-produced by oil drilling (and, of course, gas drilling itself), particularly in Africa, the Middle East and Russia.

However, Petrenko found that the gradual, natural global warming and rapid regional warming that characterized the deglaciation 12,000 years ago — events that were in some aspects comparable to the current human - driven global warming — did not trigger detectable releases of methane from these reservoirs.

The most likely explanation is the mass release of methane from sediments on the sea floor, where the gas was sequestered, as it is now, in a solid form as methane hydrate.

But Dr. Field, a specialist in the flow of greenhouse gases to and from tundra and other ecosystems, said there was little understanding of whether releases of methane from warming soil could move from an amplifier of warming to an overwhelming torrent.

Massive and quick release of methane from melting permafrost would indeed be a pretty dire thing for the climate, but is it actually happening as has been popularly portrayed?

The reasons were unclear (they may have included the collapse of the Soviet Union's economy, greater efficiencies in production and distribution of the gas, droughts and the draining of wetlands, and better control over release of methane from oil fields).

The direct GWP of methane, for example, is defined as the cumulative direct effect on the atmosphere's energy budget resulting from a one - kilogramme release of methane, relative to the direct effect of a one - kilogramme release of CO2.

so many climatic tipping points will have been passed that global warming will become self perpetuating release of methane from permafrost and under Arctic Ocean, release of carbon from tropical peat, loss of sea and forests as carbon sink etc..

Each time they go there's more and more bubbles coming out, and the fear is that there'll be a general release of methane trapped under those sediments, which could cause a very rapid rise in the rate of sea level.

More research was urgently needed into the possibility of a runaway release of methane, a powerful heat - trapping gas trapped in frozen soils in Siberia, Canada, Alaska and Nordic nations, it said in a 2008 yearbook issued at 154 - nation talks in Monaco.

Natural release of methane from the ocean floor may not be as influential on climate change as before.»