(Phys.org) —The temperature in the permafrost on Ellesmere Island in the Canadian high Arctic is nearly as cold as that of the surface of Mars. So the recent discovery by a McGill University led team of ...
May 23, 2013
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When UC Santa Barbara doctoral student Seeta Sistla and her adviser, environmental studies professor Josh Schimel, went north not long ago to study how long-term warming in the Arctic affects carbon storage, ...
May 16, 2013
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The first study of its kind to calculate the amount of nutrients entering and leaving the Arctic Ocean has been carried out by scientists based at the National Oceanography Centre, Southampton.
Apr 09, 2013
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Ancient carbon trapped in Arctic permafrost is extremely sensitive to sunlight and, if exposed to the surface when long-frozen soils melt and collapse, can release climate-warming carbon dioxide gas into ...
Feb 11, 2013
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(Phys.org)—In the snow of Alaska, a Stanford-led team of researchers has found a new way to determine if the soil beneath lakes, normally frozen, is thawing as a result of climate change. If so, the lakes ...
Jan 31, 2013
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(Phys.org)—What does pulling a radar-equipped sled across the Arctic tundra have to do with improving our understanding of climate change? It's part of a new way to explore the little-known world of permafrost ...
Jan 04, 2013
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The need for a more sustainable global energy system is more urgent than ever, energy watchdog, the International Energy Agency warned on Monday as UN climate talks went into a second week.
Dec 03, 2012
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The Russian Arctic is losing ice cover and being inhabited by species from the south in the latest sign of climate change, according to a group of Russian scientists.
Nov 21, 2012
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As much as 44 billion tons of nitrogen and 850 billion tons of carbon stored in arctic permafrost, or frozen ground, could be released into the environment as the region begins to thaw over the next century as a result of ...
Oct 29, 2012
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In this week's issue of Nature a study lead by Stockholm University, with collaborators from Russia, US, UK, Switzerland, Norway, Spain and Denmark, show that an ancient and large carbon pool held in a less-studied form o ...
Aug 30, 2012
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A team of scientists from the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association (AWI) and the GFZ German Research Centre for Geosciences has just completed an airborne measurement ...
Jul 26, 2012
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(Phys.org) -- The fragile and rapidly changing Arctic region is home to large reservoirs of methane, a potent greenhouse gas. As Earth's climate warms, the methane, frozen in reservoirs stored in Arctic tundra ...
Apr 22, 2012
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(PhysOrg.com) -- Imagine a robot sent out on the prowl on this energy hungry planet looking for methane, the principal component of what we call "natural gas" and probably the most abundant organic compound ...
Mar 15, 2012
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Two decades after the United Nations established the Framework Convention on Climate Change in order to "prevent dangerous anthropogenic interference with the climate system", the Arctic shows the first signs of a dangerous ...
Jan 30, 2012
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(PhysOrg.com) -- A significant source of greenhouse gases has started leaking into the Earth's atmosphere from an unlikely place. Above the Arctic Circle, land frozen for tens of thousands of years has begun ...
Jan 20, 2012
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