Despite the worrying development spotted for the Borrow site, the latest data points (in red) are still mere preliminary observations and will require further treatment to validate them - notably undergoing rigorous quality assurance (grey dots) - according to the ESRL website. This year, with a team of 69 scientists from 10 countries, their expedition found that methane discharge was increasing along the East Siberian Arctic Ocean Shelf, the. Some point the finger at natural gas production, shale gas in particular, whilst others have suggested it comes from biogenic sources. Sign up to the E&T News e-mail to get great stories like this delivered to your inbox every day. Watch the brand new documentary Citizen Bio now on Stan. It is also possible that the atmosphere's ability to scrub methane from the air - via chemical reactions - is reducing and could be contributing to the increase. "But what is clear is that we are capable of substantially reducing our man-made emissions of methane from natural gas supply chains. Barrow is well known among experts. It adds further evidence corroborating an earlier hypothesis that predicts a catastrophic release of methane in the coming decades due to thawing Arctic permafrost. Scientists found the potent greenhouse gas bubbling from a depth of 350 meters in the Laptev Sea, with surface-level concentrations that vent into the atmosphere between four and eight times … Methane traps heat much more effectively than carbon dioxide. The sudden jump sent waves of uneasiness through social networks. The data would still not be validated and "may be a bit noisy from local pollution, and could be subject to change in an addendum", an expert said. These record high readings over 2000 ppb are real and part of a record spike up in Arctic methane levels this year. Emissions come from both natural sources, such as wetlands and man-made - for example agriculture and oil and gas". To spot methane levels breaking the 2000ppb mark so sharply in this fragile region is unprecedented, as the chart below illustrates. Increasing levels of methane in the Arctic region concern experts because it is one of the most potent greenhouse gases in Earth's atmosphere. Methane discharges are cracking open the permafrost in the Arctic, a scientific expedition has revealed. Property News: Sustainable House Day 2020: The most inspiring homes to see this year - domain.com.au. Balcombe says he has witnessed a pretty consistent trend over the last ten years showing increased methane concentrations in the air. The water is usually tough to get through due to it being "covered in ice," but Semiletov said this year was different. Learn more about IET cookies and how to control them. "Whilst we have a quite accurate understanding of total global emissions, allocating this to specific sources is a bit more uncertain. There are several sources of methane emissions globally. "This increase is very bad news for climate change as methane is such a strong climate forcer. The initial Tweet by Randall Gates at the weekend, "a science advocate and communicator", reached nearly 10,000 likes and retweets. Balcombe adds that there is no consensus on the specific cause of this increase in concentration. The expedition said that at this point, the increased methane emission had not contributed to an increase in global atmospheric methane levels. Latest data released by a US institution, the NOAA Earth System Research Laboratory (ESRL), sounds afresh alarm bells for the Artic and climate change. Someone commented they were likely in error. In a central Arctic location, a research site in the US state of Alaska, record-breaking level in methane concentration was recorded for this year. Some point the finger at natural gas production, shale gas in particular, whilst others have suggested it comes from biogenic sources. Nope. Global average levels of atmospheric methane abundance have been recorded as constantly increasing since 2007, after nearly 10 years of stability. Methane emissions are only around 3 per cent of those from carbon dioxide, on a kg basis, but are responsible for approximately a quarter of today's anthropogenic warming", he told E&T. here is no consensus on the specific cause of this increase in concentration. In August, methane levels above 2040 nmol mol-1 (ppb) were spotted by the Barrow Atmospheric Baseline Observatory, located eight kilometres east of the city of Utqiaġvik (formerly called Barrow) in Alaska. Balcombe added that more research is needed to better understand the methane dynamics and causes. Methane emissions are only around 3 per cent of those from carbon dioxide, on a kg basis, but are responsible for approximately a quarter of today's anthropogenic warming", he told, Barrow Atmospheric Baseline Observatory site. Due to its unique location and trained staff, its excellent power and communications infrastructure, Barrow Atmospheric Baseline Observatory hosts numerous cooperative research projects from around the world. 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It is also possible that the atmosphere's ability to scrub methane from the air - via chemical reactions - is reducing and could be contributing to the increase. Please let us know if you agree to all of these cookies. Expedition head Professor Igor Semiletov said all areas of methane discharge had increased – and that new sea bottom craters in the Laprev Sea had been found. in Russia has been studying the changes in the Arctic Shelf environment. "It is easy to know how much methane is in the atmosphere, but it is very difficult to work out what the source is," he said. Balcombe says he has witnessed a pretty consistent trend over the last ten years showing increased methane concentrations in the air.

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