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Current Permafrost News and Events

Current Permafrost News and Events, Permafrost News Articles.
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Here be methane: Skoltech scientists investigate the origins of a gaping permafrost crater
Researchers from Skoltech and their colleagues spent more than two years studying a 20-meter wide and 20-meter deep crater in the Yamal Peninsula in northern Russia that formed after an explosive release of gas, mostly methane, from the permafrost. (2020-06-03)
UNH researchers find wildfires can alter arctic watersheds for 50 years
Climate change has contributed to the increase in the number of wildfires in the Arctic and can dramatically shift stream chemistry. (2020-05-28)
Measuring methane from space
A group of researchers from Alaska and Germany is reporting for the first time on remote sensing methods that can observe thousands of lakes and thus allow more precise estimates of methane emissions. (2020-05-12)
New technique uses radar to gauge methane release from Arctic lakes
A University of Alaska Fairbanks-led research team has developed a way to use satellite images to determine the amount of methane being released from northern lakes, a technique that could help climate change modelers better account for this potent greenhouse gas. (2020-05-11)
New study shines light on mysterious giant viruses
In recent years, giant viruses have been unearthed in several of the world's most mysterious locations, from the thawing permafrost of Siberia to locations unknown beneath the Antarctic ice. (2020-05-08)
A rapidly changing Arctic
A new study by researchers at Woods Hole Oceanographic Institution (WHOI) and their international colleagues found that freshwater runoff from rivers and continental shelf sediments are bringing significant quantities of carbon and trace elements into parts of the Arctic Ocean via the Transpolar Drift--a major surface current that moves water from Siberia across the North Pole to the North Atlantic Ocean. (2020-04-08)
Northern peatlands will lose some of their CO2 sink capacity under a warmer climate
A Nordic study sheds new light on the role of northern peatlands in regulating the regional climate. (2020-04-03)
Hidden source of carbon found at the Arctic coast
A previously unknown significant source of carbon just discovered in the Arctic has scientists marveling at a once overlooked contributor to local coastal ecosystems -- and concerned about what it may mean in an era of climate change. (2020-03-20)
FSU Research: Hidden source of carbon found at the Arctic coast
FSU researcher Robert Spencer co-authored a study that showed evidence of undetected concentrations and flows of dissolved organic matter entering Arctic coastal waters, coming from groundwater flows on top of frozen permafrost. (2020-03-20)
How horses can save the permafrost
Permafrost soils in the Arctic are thawing. In Russia, experiments are now being conducted in which herds of horses, bison and reindeer are being used to combat this effect. (2020-03-17)
Climate shifts prompt shrubs and trees to take root in open areas
Wild, treeless landscapes are becoming more wooded as climate change leads to warming temperatures and wetter weather, research suggests. (2020-03-10)
Old carbon reservoirs unlikely to cause massive greenhouse gas release
As global temperatures rise, permafrost and methane hydrates -- large reservoirs of ancient carbon -- have the potential to break down, releasing enormous quantities of the potent greenhouse gas methane. (2020-02-20)
Old methane sources less important in modern climate warming
The atmospheric release of ancient stores of methane in thawing permafrost or from beneath Arctic ice may not impact future climate warming as strongly as previously believed, a new study finds. (2020-02-20)
How countries respond to weather change
A two degree Centigrade increase in global average temperature will lead to catastrophic consequences for the planet. (2020-02-17)
Chitosan-graft-Polyacrylamide tested as inhibitor of hydrate formation
Currently, 90% of the hydrocarbon resources of the entire continental shelf of Russia are concentrated in the Arctic, including 70% on the shelf of the Barents and Kara Seas. (2020-02-04)
Arctic permafrost thaw plays greater role in climate change than previously estimated
Abrupt thawing of permafrost will double previous estimates of potential carbon emissions from permafrost thaw in the Arctic, and is already rapidly changing the landscape and ecology of the circumpolar north, a new CU Boulder-led study finds. (2020-02-03)
Rising global temperatures turn northern permafrost region into significant carbon source
A new study that incorporates datasets gathered from more than 100 sites by institutions including the US Department of Energy's (DOE) Argonne National Laboratory, suggests that decomposition of organic matter in permafrost soil is substantially larger than previously thought, demonstrating the significant impact that emissions from the permafrost soil could have on the greenhouse effect and global warming. (2020-01-22)
Connector fungi offer new clues to fate of nitrogen in warming tundra
Northern Arizona University researchers Rebecca Hewitt and Michelle Mack authored a paper, published this week in New Phytologist, that could have implications for researchers and computer models that predict where nitrogen and carbon go at both regional and global levels. (2020-01-13)
Global warming is the kindling that caused extensive wildfire
Professor Jong-Seong Kug and his research team identified Arctic Oscillation as the cause for the recent wildfires in Siberia. (2020-01-09)
Sea-ice-free Arctic makes permafrost vulnerable to thawing
New research, published today in Nature, led by scientists at the University of Oxford's Department of Earth Sciences, and at the Geological Survey of Israel, provides evidence from Siberian caves suggesting that summer sea ice in the Arctic Ocean plays an essential role in stabilising permafrost and its large store of carbon. (2020-01-08)
Replacing one gas with another helps efficiently extract methane from permafrost
Scientists from Skoltech and Heriot-Watt University proposed extracting methane by injecting flue gas into permafrost hydrate reservoirs. (2019-12-30)
Thawing permafrost affecting northern Alaska's land-to-ocean river flows
A new analysis of the changing character of runoff, river discharge and other hydrological cycle elements across the North Slope of Alaska reveals significant increases in the proportion of subsurface runoff and cold season discharge, changes the authors say are 'consistent with warming and thawing permafrost.' First author and lead climate modeler Michael Rawlins at UMass Amherst says warming is expected to shift the Arctic from a surface water-dominated system to a groundwater-dominated system, with deeper water flow paths through newly thawed soils. (2019-12-18)
Nine climate tipping points now 'active,' warn scientists
More than half of the climate tipping points identified a decade ago are now 'active,' a group of leading scientists have warned. (2019-11-27)
Severity of earthquake impact may change with the seasons, study shows
The devastating impact caused by earthquakes on the local communities and environment could differ in severity depending on the season a pioneering new study on two historic earthquakes in Kazakhstan has suggested. (2019-11-12)
Coastlines' contribution to climate change might have been underestimated
Permafrost coasts make up about one third of the Earth's total coastline. (2019-11-08)
Arctic shifts to a carbon source due to winter soil emissions
A NASA-funded study suggests winter carbon emissions in the Arctic may be adding more carbon into the atmosphere each year than is taken up by Arctic vegetation, marking a stark reversal for a region that has captured and stored carbon for tens of thousands of years. (2019-11-08)
Abrupt shifts in Arctic climate projected
Researchers from McGill University project that as the permafrost continues to degrade, the climate in various regions of the Arctic could potentially change abruptly in the relatively near future. (2019-10-30)
UNH researchers find climate change increases risk of mercury contamination
As global temperatures continue to rise, the thawing of permafrost is accelerated and mercury trapped in the frozen ground is now being released. (2019-10-16)
Microorganisms reduce methane release from the ocean
Bacteria in the Pacific Ocean remove large amounts of the greenhouse gas methane. (2019-09-10)
How much carbon the land can stomach with more carbon dioxide in the air
Researchers from 28 institutions in nine countries succeeded in quantifying carbon dioxide fertilization for the past five decades, using simulations from 12 terrestrial ecosystem models and observations from seven field carbon dioxide enrichment experiments. (2019-09-02)
Arctic permafrost melting will aggravate the greenhouse effect
Scientists from Russia and the United States studied the composition of the deep layers of permafrost in Eastern Siberia to better understand the hazards of permafrost thawing to our planet and its inhabitants. (2019-08-27)
Monitoring the Matterhorn with millions of data points
A unique project is linking in-situ measurements with natural hazards research. (2019-08-13)
Gene transcripts from ancient wolf analyzed after 14,000 years in permafrost
RNA -- the short-lived transcripts of genes -- from the 'Tumat puppy', a wolf of the Pleistocene era has been isolated, and its sequence analyzed in a new study by Oliver Smith of the University of Copenhagen and colleagues publishing on July 30 in the open-access journal PLOS Biology. (2019-07-30)
What counts for our climate: Carbon budgets untangled
The more CO2 we emit from burning coal and oil and gas, the more we heat our climate -- this sounds simple, and it is. (2019-07-17)
Super salty, subzero Arctic water provides peek at possible life on other planets
A UW team has discovered thriving communities of bacteria in Alaskan 'cryopegs,' trapped layers of sediment with water so salty that it remains liquid at below-freezing temperatures. (2019-07-12)
Expert panel identifies top climate risks for Canada, potential for adaptation
An expert panel convened by the Council of Canadian Academies (CCA) has identified Canada's top climate change risks and determined that many costs and damages could be avoided with prompt and thoughtful adaptation. (2019-07-08)
A 3D view of climatic behavior at the third pole
Research across several areas of the 'Third Pole' -- the high-mountain region centered on the Tibetan Plateau -- shows a seasonal cycle in how near-surface temperature changes with elevation. (2019-06-19)
100-year-old physics model replicates modern Arctic ice melt
A nearly 100-year-old physics model captures the essential mechanism of pattern formation and geometry of Arctic melt ponds. (2019-06-17)
Rapid retreat of Arctic coastline revealed in images from the air
Drone surveys have revealed extreme erosion on the Arctic coastline, highlight the ongoing change in the region in a warming climate. (2019-06-07)
Scientists get a grip on sloth family tree
A new study, by an international team of researchers led by academics at the University of York, challenges decades of scientific opinion concerning the evolutionary relationships of tree sloths and their extinct kin. (2019-06-06)
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