Sentences with phrase «atmosphere than methane»

Methane hydrate floats in seawater just as water ice floats, and it also has greater potential to reach the atmosphere than methane bubbles (Brewer et al., 2002).
The GHG value is a function of converting the methane into carbon dioxide, which traps less heat in the atmosphere than methane.
The greenhouse gas (GHG) value is a function of converting the methane into carbon dioxide, which traps less heat in the atmosphere than methane.
Any methane released from under retreating ice sheets is more likely to find its way into the atmosphere than methane released from deep - sea methane hydrates, because the methane - consuming seabed sediments and the overlying sea water are absent in Antarctica.

Not exact matches

Natural gas is primarily composed of methane, a greenhouse gas that is more potent than carbon dioxide, but remains in the atmosphere for less time.
Aliso Canyon Southern California Edison Last year's rupture in the Aliso Canyon natural gas reservoir caused a methane gas spill that displaced more than 8,000 Californians and released an unprecedented 1.6 million pounds of methane into the atmosphere.
As one of the group's leaders, Hsu Jen - hsiu, rightly says eating less or no meat is a way to love our planet because livestock emit large volumes of methane into the atmosphere, which contribute more to global warming than the emissions produced by all the vehicles around the world.
Methane also remains in the atmosphere for 9 to 15 years; nitrous oxide remains in the atmosphere for 114 years, on average, and is 296 times more potent than CO2 — the gases released today will continue to be active in degrading the climate decades from now.
Another major benefit of covered anaerobic lagoons is that the methane biogas produced within them is not only prevented from escaping into the atmosphere (where it is many times more damaging than C02 emissions) but is also harnessed to generate energy — rather than waste water being heavy consumers of energy in processing and oxygenation.
By capturing methane gas from cow manure and using it to generate electrical power, the Straus Dairy Farm prevents a greenhouse gas that is 72 times more detrimental than CO2 within a 20 - year period from getting into the atmosphere, while also creating a renewable energy source.
Another major benefit of covered anaerobic lagoons with efficient green energy storage is that the methane biogas produced is not only prevented from escaping into the atmosphere (where it is many times more damaging than C02 emissions) but is also harnessed to generate energy — rather than waste water plants being heavy consumers of energy in processing and oxygenation.
The most important is preventing methane gas, a greenhouse gas but a short - term pollutant that is 72 times more detrimental than carbon dioxide within a 20 - year period, from entering the atmosphere.
Methane or natural gas is 72 times more potent at capturing heat in the atmosphere than carbon dioxide over the first 20 years after release - and to deal with climate change, we need to focus on the next few decades.
Saturn's moon Titan is the only moon in the solar system that has an atmosphere as thick as Earth's, consisting of more than 98 percent nitrogen, roughly 1.4 percent of methane, and smaller amounts of other gases.
«Although most of the macrophyte carbon is released back to the atmosphere in the same form that it is assimilated, carbon dioxide, some of it is actually exported to the ocean as dissolved carbon or released to the atmosphere as methane, a gas that has a warming potential 20 times larger than carbon dioxide,» said John Melack, a professor at the University of California, Santa Barbara.
«Titan's atmosphere is made up mainly of nitrogen and methane, with 50 % higher pressure at its surface than on Earth,» said Andrew Coates (UCL Mullard Space Science Laboratory), who led the study.
Ozone, methane and aerosols (tiny pollutant particles) remain in the atmosphere for a shorter time than CO2, but can affect both the climate and air quality.
But when unburned methane is released into the atmosphere, it is a potent greenhouse gas with a warming potential 28 to 34 times greater than carbon dioxide over a 100 - year timeframe (and up to 84 times more potent over a 20 year timeframe).
Methane is an extremely efficient greenhouse gas which may contribute to enhanced global warming when free in the atmosphere, and such free methane, would then be considered a pollutant rather than a useful energy reMethane is an extremely efficient greenhouse gas which may contribute to enhanced global warming when free in the atmosphere, and such free methane, would then be considered a pollutant rather than a useful energy remethane, would then be considered a pollutant rather than a useful energy resource.
Those trees are going to fall down and rot and turn into methane, which is much worse than carbon dioxide,» he said, noting that by turning wood chips into biofuel, his company would actually be reducing greenhouse gases from the atmosphere.
Experts on greenhouse - gas emissions tell me that every time my car burns a gallon of gasoline, I am putting more than 25 pounds of carbon dioxide into the atmosphere as well as a smaller amount of methane, nitrous oxide, and various other toxic gases.
Cattle are responsible for 20 percent of U.S. emissions of methane, which traps heat in the atmosphere 20 times more effectively than carbon dioxide.
To get a different view, astronomer Giovanna Tinetti and her colleagues at the European Space Agency and University College London focused instead on the light grazing the atmosphere of HD 189733 b. Tinetti had predicted that water would absorb more light at the longer wavelength of 5.8 microns (thousandths of a millimeter) than at 3.6 microns, in contrast with other molecules such as methane and ammonia.
Although the concentration of carbon dioxide in the atmosphere is much higher, at around 385 parts per million, methane is a worry as it is much better than carbon dioxide at locking in heat from solar radiation.
Carbon dioxide gets more press, but methane is the more powerful agent of global warming, 21 times more effective than carbon dioxide at trapping heat in the atmosphere.
«It is true that they do warm climate by strong methane emissions when they first form, but on a longer - term scale, they switch to become climate coolers because they ultimately soak up more carbon from the atmosphere than they ever release.»
If Pluto's surface harbours both nitrogen ice and methane ice, Pluto's atmosphere must contain more nitrogen gas than methane gas, say the astronomers.
Molecular nitrogen (N2) dominates the atmosphere (at altitudes of less than 1800 kilometers or so), whereas methane (CH4), acetylene (C2H2), ethylene (C2H4), and ethane (C2H6) are abundant minor species and likely feed the production of an extensive haze that encompasses Pluto.
At their highest, the bursts contained about 10 times more methane than the background in the atmosphere.
Consider, Rein says, the spectrum of light that distant astronomers might see if Earth — whose atmosphere is more than 20 % oxygen — had a moon with a methane - rich atmosphere like Saturn's moon Titan.
«We found that places like the Chesapeake Bay could be a more significant input of methane to the atmosphere than we thought.»
However, a new study finds that estuaries like the Chesapeake Bay could be contributing significantly more methane to the atmosphere than once thought.
Yesterday, two Cornell University professors said at a press conference that fracking releases large amounts of natural gas, which consists mostly of methane, directly into the atmosphere — much more than previously thought.
Molecule for molecule, methane traps 20 to 25 times more heat in the atmosphere than does carbon dioxide.
That's bad news for the atmosphere when the gas in question is methane, the primary component in natural gas that is a much stronger greenhouse gas than carbon dioxide.
The study also found that open landfills emit 91 percent of all landfill methane emissions, while closed landfills are 17 percent more efficient than open landfills at capturing methane so it does not escape into the atmosphere.
That's because methane (or CH4) has more than 30 times the global warming impact of carbon dioxide (CO2) over 100 years (and its more than 80 times more powerful over 20 years, since methane disappears from the atmosphere far more quickly than CO2).
But strangely, they seem to produce far more methane than they release into the atmosphere.
«One source of potent greenhouse gas pinned down: Results suggest more methane may be released into atmosphere than thought.»
Methane doesn't last as long in the atmosphere, but it is much more efficient than carbon dioxide at trapping heat.
Given that most fishes convert feed to flesh much more efficiently than cows, as well as producing healthier food and contributing less methane to the atmosphere, an alternative would be to reduce beef production and instead use available land to grow crops for fish feed.
Consequently, massive amounts of reactive gases such as oxygen, hydrogen, and methane are continually being added to Earth's now «anomalous» atmosphere faster than they would otherwise be removed by inorganic chemical processes.
A greenhouse gas 20 times more potent than carbon dioxide, methane in the atmosphere would accelerate global warming even further.
On March 19, 2008, astronomers using the Hubble Space Telescope announced confirmation of the presence of water and the detection of more methane in the atmosphere of the planet than would be predicted by conventional atmospheric models for «hot Jupiters» (Hubble news release and videos; ESA news release and videos; and Swain et al, 2008 — more below).
[Response: The concentration of methane in seawater can be measured, and I think the ocean is very often a source to the atmosphere, rather than a sink.
One possible explanation is that the Hubble observations were more sensitive to the perpetual dark nightside of the planet where the atmosphere is slightly colder and the photochemical mechanisms that destroy methane are less efficient than on the dayside.
On the long term (longer than a few decades) the transient methane concentration is determined by the chronic rate of methane emission to the atmosphere.
According to a new analysis in the journal Ecological Monographs, by researchers at the University of Wisconsin — Madison and colleagues, the world's rivers and streams pump about 10 times more methane into our atmosphere than scientists estimated in previous studies.
And finally, what about Mark's questions (# 3) and other factors not discussed here — do all these effects re Arctic ice lead scientists to believe there is a greater and / or earlier chance (assuming we continue increasing our GHG emissions — business as usual) of melting hydrates and permafrost releasing vast stores of methane into the atmosphere than scientists believed before the study, or is the assessment of this about the same, or scientists are not sure if this study indicates a greater / lesser / same chance of this?
It is less prevalent than carbon dioxide in the atmosphere but also more potent: A molecule of methane results in more warming than a molecule of carbon dioxide.
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