Sentences with phrase «higher emission of methane»

That led to 50percent higher emission of methane bubbles.

The biologists predict that a temperature rise of 1 degree Celsius leads to 6 - 20 percent higher emission of methane bubbles, which in turn leads to additional greenhouse gases in the atmosphere and to an additional temperature increase.

Not exact matches

They're dairy free (because methane emissions from cows is a serious problem) and use a mixture of Einka flour (which is high in protein and vitamins and grown and milled right here in the Methow Valley) and buckwheat flour for a hearty, rich flavor.

Over the course of the experiment, emissions of planet - warming methane from the dung of antibiotic - dosed cows were, on average, 80 % higher than those from the manure of untreated cattle, the team reports online today in the Proceedings of the Royal Society B.

Headed toward an 8 F rise in warming Other such low - probability but high - risk scenarios mentioned in the report include ecosystem collapses, destabilization of methane stored in the seafloor and rapid greenhouse gas emissions from thawing Arctic permafrost.

«The methane emissions from the gas wells... are surprisingly high considering that all of these wells were still being drilled, had not yet been hydraulically fractured, and were not yet in production,» the paper reports.

«There are also other important measures to reduce methane emissions from coal mining, municipal waste treatment and gas distribution, for example, as well as black carbon emission reductions through elimination of high - emitting vehicles, use of cleaner biomass cooking and heating stoves, replacement of kerosene wick lamps with LED lamps and other measures,» adds Zbigniew Klimont of the International Institute for Applied Systems Analysis, Austria, who also took part in the study.

Methane is a key greenhouse gas; the Arctic is a key region for natural emissions of methane; high summer and autumn are key periods when emissions can peak and change rMethane is a key greenhouse gas; the Arctic is a key region for natural emissions of methane; high summer and autumn are key periods when emissions can peak and change rmethane; high summer and autumn are key periods when emissions can peak and change rapidly.

Environmental controls designed to prevent leaks of methane from newly drilled natural gas wells are effective, a study has found — but emissions from existing wells in production are much higher than previously believed.

For the first time, the researchers also showed that higher HTC production temperatures resulted in a significant reduction in emissions of methane (CH4) and ammonia (NH3) and an increase of carbon dioxide and carbon monoxide.

«Tiny grains of rice hold big promise for greenhouse gas reductions, bioenergy: Discovery delivers high starch content, virtually no methane emissions.»

During the discovery of New Zealand's methane seeps, an unexpectedly dense habitat of heterotrophic infauna, dominated by ampharetid polychaetes, was found to co-occur with incredibly high methane emission.

The analysis revealed noticeably higher methane emissions from streams and rivers in watersheds marked with heavy agriculture, urban development or the presence of dams.

The subsequent studies have produced a mixed bag of results, with some showing higher methane emissions than expected, and others lower.

A new report based on recent scientific breakthroughs in methane quantification finds that emissions of methane — both a potent greenhouse gas and valuable fuel source — are drastically higher than official state reports.

Previous studies suggest that natural geologic methane emissions of the past are at least as high as natural emissions today, so studying the ancient ice cores allows researchers to accurately determine the upper limit of geologic emissions, separate from their anthropogenic counterparts.

We find (i) measurements at all scales show that official inventories consistently underestimate actual CH4 [methane] emissions, with the natural gas and oil sectors as important contributors; (ii) many independent experiments suggest that a small number of «super-emitters» could be responsible for a large fraction of leakage; (iii) recent regional atmospheric studies with very high emissions rates are unlikely to be representative of typical natural gas system leakage rates; and (iv) assessments using 100 - year impact indicators show system - wide leakage is unlikely to be large enough to negate climate benefits of coal - to - natural gas substitution.

I would like to see a discussion of the likelihood that factors traditionally viewed as slow response feedback factors (such as Arctic albedo, or high methane emissions permafrost degradation) may actually become faster response feedback factors.

If we want to understand methane (and greenhouse gas) emissions with high certainty sufficient for regulation, we would need an expanded network of observations.

Hamburg: Our study reinforces the fact that specific source types for methane are higher than current E.P.A. and EDGAR inventories suggest, and they do indeed need more attention because emissions in some regions of the US appear to be substantially higher than previously estimated.

David Archer of the University of Chicago has again done yeoman's service by posting a detailed look at this paper on Realclimate (along with last Monday's methane paper, discussed here, providing a new and higher estimate of emissions of this gas across the United States).

Related Michael Levi of the Council on Foreign Relations has a paper in press in the Journal of Geophysical Research challenging a widely covered «bombshell» study in that journal estimating very high rates of emissions of methane from Colorado gas and oil wells.

«And we found that the estimates of methane emissions per area of reservoir are about 25 percent higher than previously thought, which we think is significant given the global boom in dam construction, which is currently underway.»

Organic waste is the second highest component of landfills, the largest source of methane emissions.

In addition, studies show that methane emissions are higher for hydraulic fracturing of shale gas than conventional natural gas production.

And a second, entirely separate, study backed by US data suggests that emissions of that other greenhouse gas, methane, are at least 11 % higher than estimated in 2006.

NATURALLY OCCURRING METHANE CAPTURE — Methane emissions may occur from land areas where coal or other high concentrations of un-extracted fossil fuels are present underground, resulting in a naturally occurring source of greenhouse gas (GHG) emiMETHANE CAPTURE — Methane emissions may occur from land areas where coal or other high concentrations of un-extracted fossil fuels are present underground, resulting in a naturally occurring source of greenhouse gas (GHG) emiMethane emissions may occur from land areas where coal or other high concentrations of un-extracted fossil fuels are present underground, resulting in a naturally occurring source of greenhouse gas (GHG) emissions.

This, along with changes in livestock management, can lead to higher methane emissions,» says Julie Wolff of the US Department of Agriculture, the senior author.

Ruminants, which ferment plants in a specialized stomach before digestion, are estimated to be the largest single human - related source of methane, with greenhouse - gas emissions from sheep and cattle 19 to 48 times higher than beans or grains per pound of food produced, according to the report.

Although recent models predict that a small net accumulation of carbon will occur in Arctic tundra during the present century (low confidence), higher methane emissions responding to the thawing of permafrost and an overall increase in wetlands will enhance radiative forcing (medium confidence).

Researchers from China, Sweden and the United States have discovered a new way to produce high - starch rice with virtually no methane emissions by introducing a single gene of barley to a common strain of rice.

Bridget Deemer, one of the study researchers, said estimates of methane emission per area of reservoir are 25 percent higher than what they previously calculated.

The first sensor is used to identify the low levels of methane gas emissions and the second one is meant to read high levels of emission.

This report found that direct measurements of methane emissions from 190 onshore natural gas sites in the United States indicate that methane emissions from completed wells are are lower than commonly thought although the report also acknowledged that emissions from pneumatic controllers and other equipment associated with natural gas production facilities were higher than previously estimated.

A scientific study of Lake Wohlen in central Switzerland found «unexpectedly high» emissions of methane, a powerful greenhouse gas, the Swiss Federal Institute of Acquatic Science and Technology (EAWAG) said on Monday.

The authors note that degraded peatland will have a higher density because of peat compaction, resulting in more methane emissions during a fire.

In February, EDF estimated methane emissions from Pennsylvania's shale oil and gas sites may be more than five times higher than what oil and gas companies reported to the Pennsylvania Department of Environmental Protection.

Thawing permafrost also delivers organic - rich soils to lake bottoms, where decomposition in the absence of oxygen releases additional methane.116 Extensive wildfires also release carbon that contributes to climate warming.107, 117,118 The capacity of the Yukon River Basin in Alaska and adjacent Canada to store carbon has been substantially weakened since the 1960s by the combination of warming and thawing of permafrost and by increased wildfire.119 Expansion of tall shrubs and trees into tundra makes the surface darker and rougher, increasing absorption of the sun's energy and further contributing to warming.120 This warming is likely stronger than the potential cooling effects of increased carbon dioxide uptake associated with tree and shrub expansion.121 The shorter snow - covered seasons in Alaska further increase energy absorption by the land surface, an effect only slightly offset by the reduced energy absorption of highly reflective post-fire snow - covered landscapes.121 This spectrum of changes in Alaskan and other high - latitude terrestrial ecosystems jeopardizes efforts by society to use ecosystem carbon management to offset fossil fuel emissions.94, 95,96

Industry recognizes the high importance of safe and responsible energy development, which includes continuous progress in reducing methane emissions.

Another benefit of integrated systems is that they can be strategically designed to provide high - quality, nutritious diets for cattle that improve productivity and health, and reduce methane emissions.

Watch it from there if you like or you can jump to 1:11:35 and see a red dot she's pointing to on a map where there have been high levels of methane emissions from the Gekkal Ridge.

Naturally Occurring Methane Capture Carbon Offsets — Methane emissions may occur from land areas where coal or other high concentrations of un-extracted fossil fuels are present underground, resulting in a naturally occurring source of GHG emissions.

The team is still calculating the CO2 emissions produced by the act of flaming, but believes they're negligible, and preferable to higher methane concentrations in the atmosphere.

gain off - topic, but this happens to be about what happened at a particular time long ago of great inerest to me: Higher Wetland Methane Emissions Caused by Climate Warming 40,000 Years Ago http://www.sciencedaily.com/releases/2010/06/100624144105.htm

The other study from this year on this there: Back in January a lifecycle analysis of natural gas by the EPA showed that in fracking operations methane emissions were up to 9,000 times higher than previously reported.

EPA has already addressed a major source of production sector emissions, well completions (see below for more details), but we know that methane emissions are still too high.

In Actuality, air sampling surveys over ESAS yield a calculated annual flux to the atmosphere of 8 Tg C - CH ₄ (Shakhova et al., 2010), a figure 200 x higher than the model estimate (at Year - 1 of this 100 - kyr - scale warming) and equivalent to the methane emissions of the entire world's oceans.

Evaluating a 1 % reduction in current global emissions, benefits with a high discount rate are greatest for reductions of co-emitted products of incomplete combustion (PIC), followed by sulfur dioxide (SO2), nitrogen oxides (NOx) and then CO2, ammonia and methane.

According to Toensmeier, silvopasture has the highest carbon sequestration potential of any temperate climate food production system — about 250 tons per hectare, on par with most naturally - occurring forests in the U.S., even when factoring in the emissions from methane burps.