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Permafrost Current Events

Permafrost Current Events, Permafrost News Articles.
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UAF permafrost scientist receives $1.8M in grants
After working for the past decade toward increased permafrost monitoring in Alaska, scientist Vladimir Romanovsky is going global due to funding from the National Science Foundation. (2007-03-28)
Signs of thawing permafrost revealed from space
Satellite are seeing changes in land surfaces in high detail at northern latitudes, indicating thawing permafrost. (2012-03-27)
USGS projects large loss of Alaska permafrost by 2100
Using statistically modeled maps drawn from satellite data and other sources, US Geological Survey scientists have projected that the near-surface permafrost that presently underlies 38 percent of boreal and arctic Alaska would be reduced by 16 to 24 percent by the end of the 21st century under widely accepted climate scenarios. (2015-11-30)
New permafrost is forming around shrinking Arctic lakes, but will it last?
There is new permafrost forming around Twelvemile Lake in the interior of Alaska. (2014-06-10)
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)
A new permafrost gas mysterium
Permafrost thaw allows biological activity in previously frozen ground, leading to a potential release of climate-relevant gases. (2018-08-24)
Global permafrost zones in high-resolution images on Google Earth
Thawing permafrost will have far-reaching ramifications for populated areas, infrastructure and ecosystems. (2012-02-20)
Permafrost thaw: No upside
A new study published in the journal Ecology by Woods Hole Research Center assistant scientist, Susan Natali, finds that growing season gains do not offset carbon emissions from permafrost thaw. (2014-03-21)
Conference to highlight latest in permafrost research
More than 800 international researchers are expected to attend the Ninth International Conference on Permafrost, scheduled for June 29-July 3, 2008 at the University of Alaska Fairbanks. (2008-02-18)
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)
Study finds permafrost warming, monitoring improving
Permafrost warming continues throughout a wide swath of the Northern hemisphere, according to a team of scientists assembled during the recent International Polar Year. (2010-08-02)
Thawing permafrost causing the 'browning' of northern lakes
As ice the melts, the organic carbon found in permafrost is being released once again after ages of confinement in the soil. (2018-03-02)
Peat and forests save permafrost from melting
Scientists find that the demise of the permafrost may be exaggerated because peat and forest cover, which protect the permafrost, have not been factored into research regarding climate change. (2007-09-13)
Researchers: Permafrost thawing could accelerate global warming
A team of researchers lead by Florida State University have found new evidence that permafrost thawing is releasing large quantities of greenhouse gases into the atmosphere via plants, which could accelerate warming trends. (2014-04-07)
Greenhouse emissions from Siberian rivers peak as permafrost thaws
Permafrost soils store large quantities of frozen carbon and play an important role in regulating Earth's climate. (2018-09-03)
GI researcher co-author of international permafrost report
University of Alaska Fairbanks researcher Vladimir Romanovsky is one of four scientists who authored a report released today by the United Nations Environmental Programme. (2012-11-27)
Record levels of mercury released by thawing permafrost in Canadian Arctic
Permafrost thaw slumps in the western Canadian Arctic are releasing record amounts of mercury into waterways, according to new research by University of Alberta ecologists. (2018-12-12)
Arctic rivers provide fingerprint of carbon release from thawing permafrost
The feedback between a warming climate and accelerated release of carbon currently frozen into permafrost around the Arctic is one of the grand challenges in current climate research. (2019-05-07)
Mineral weathering from thawing permafrost can release substantial CO2
The amount of carbon dioxide released from thawing permafrost might be greater than previously thought, according to a new study by University of Alberta ecologists. (2018-09-19)
US scientists warn leaders of dangers of thawing permafrost
WHRC scientists have counseled the State Department on policies that could control permafrost thaw, including reducing global carbon emissions from fossil fuel use and deforestation, and limiting emissions of 'black carbon,' sooty particles that darken snow and ice and hasten Arctic warming. (2015-08-27)
Thawing permafrost releases old greenhouse gas
The thawing permafrost soils in the Arctic regions might contribute to the greenhouse effect in two respects: on the one hand rising temperatures lead to higher microbial methane production close to the surface. (2017-07-19)
Thawing permafrost microbiomes fuel climate change
A University of Queensland-led international study could lead to more accurate predictions or the rate of global warming from greenhouse gas emissions produced by thawing permafrost in the next 100 years. (2018-07-16)
Climate change experts gather in Anchorage, Alaska
Experts on climate change in Alaska and the Arctic will gather in Anchorage on Friday, Sept. (2004-09-22)
Sand layer plays a key role in protecting the underlying permafrost in the Qinghai-Tibet Plateau
The effect of sand layer on the ground temperature of permafrost is one of the unsolved scientific problems in the Qinghai-Tibet Plateau, the sand layers were found to play a key role in the protection of the underlying permafrost by the measured data, and this research work was published in Chinese Science Bulletin. (2012-03-05)
Carbon dioxide biggest player in thawing permafrost
Carbon dioxide emissions from dry and oxygen-rich environments will likely strengthen the climate forcing impact of thawing permafrost on top of methane release from oxygen-poor wetlands in the Arctic, according to a study led by Northern Arizona University assistant research professor Christina Schädel. (2016-06-13)
Bacterium from Canadian High Arctic offers clues to possible life on Mars
The recent discovery by a McGill University led team of scientists of a bacterium that is able to thrive at -15ºC, the coldest temperature ever reported for bacterial growth, is exciting because it offers clues about some of the necessary preconditions for microbial life on Mars. (2013-05-23)
A study shows an increase of permafrost temperature at a global scale
Permafrost, is an element of the cryosphere which has not been as much studied as other soils like glaciers or marine ice. (2019-01-17)
Study: Alaskan soil thaw sends carbon directly back into atmosphere
Researchers found that permafrost organic material is so biodegradable that as soon as it thaws, the carbon is almost immediately consumed by single-cell organisms called microbes and then released back into the air as carbon dioxide, feeding the global climate cycle. (2015-10-26)
Study measures methane release from Arctic permafrost
A University of Alaska Fairbanks-led research project has provided the first modern evidence of a landscape-level permafrost carbon feedback, in which thawing permafrost releases ancient carbon as climate-warming greenhouse gases. (2016-08-22)
FSU scientist joins global study of decomposing permafrost
Florida State University oceanographer Jeff Chanton is part of an international team embarking on a new study of permafrost decomposition in arctic Sweden. (2010-09-23)
Domes of frozen methane may be warning signs for new blow-outs
Several methane domes, some 500m wide, have been mapped on the Arctic Ocean floor. (2017-06-05)
Carbon dioxide biggest player in thawing permafrost
Carbon dioxide emissions from dry and oxygen-rich environments are likely to play a much greater role in controlling future rates of climate change caused by permafrost thaw than rates of methane release from oxygen-poor wetlands in the Arctic, according to research by a scientist at the University of Exeter. (2016-06-13)
Scientists predict gradual, prolonged permafrost greenhouse gas emissions
A new scientific synthesis suggests a gradual, prolonged release of greenhouse gases from permafrost soils in Arctic and sub-Arctic regions, which may afford society more time to adapt to environmental changes, say scientists in an April 9 paper published in Nature. (2015-04-08)
'Abrupt thaw' of permafrost beneath lakes could significantly affect climate change models
Methane released by thawing permafrost from some Arctic lakes could significantly accelerate climate change, according to a new University of Alaska Fairbanks-led study. (2018-08-16)
Bad sign for global warming: thawing permafrost holds vast carbon pool
Permafrost blanketing the northern hemisphere contains more than twice the amount of carbon in the atmosphere, making it a potentially mammoth contributor to global climate change depending on how quickly it thaws. (2008-09-03)
Thawing permafrost likely to boost global warming
A new assessment more than doubles previous estimates of the amount of carbon stored in permafrost, and indicates that carbon dioxide emissions from microbial decomposition of organic carbon in thawing permafrost could amount to roughly half those resulting from global land-use change during this century. (2008-09-01)
New knowledge about permafrost improving climate models
New research findings from the Centre for Permafrost at the Department of Geosciences and Natural Resource Management, University of Copenhagen, document that permafrost during thawing may result in a substantial release of carbon dioxide into the atmosphere and that the future water content in the soil is crucial to predict the effect of permafrost thawing. (2013-07-28)
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)
Study links climate policy, carbon emissions from permafrost
Controlling greenhouse gas emissions in the coming decades could substantially reduce the consequences of carbon releases from thawing permafrost during the next 300 years, according to a new paper published this week in the Proceedings of National Academy of Sciences. (2018-03-26)
Monitoring changes in wetland extent can help predict the rate of climate change
Monitoring changes to the amount of wetlands in regions where permafrost is thawing should be at the forefront of efforts to predict future rates of climate change, new research shows. (2017-06-26)
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