For years, scientists have pointed to warming permafrost in the Arctic tundra as a source for increased carbon in the atmosphere; as this soil warms, it releases greenhouse gases that have long been trapped in frozen ground.
Environment
Jul 3, 2019
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2
With climate change, the Arctic tundra is likely to become drier. Lakes may shrink in size and smaller lakes may even disappear according to a new Dartmouth study. In western Greenland, Kangerlussuaq experienced a 28 percent ...
Environment
May 23, 2019
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31
The early arrival of spring in parts of the Arctic is driven by winter snow melting sooner than in previous decades and by rising temperatures, research suggests.
Environment
Apr 25, 2019
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265
Based on long-term data on atmospheric carbon dioxide concentrations, an international group of scientists coordinated by the Laboratory of Climate and Environmental Sciences (CEA/CNRS/UVSQ) have discovered that vegetation ...
Earth Sciences
Apr 5, 2019
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16
The Arctic is warming twice as fast as the rest of the planet, causing the carbon-containing permafrost that has been frozen for tens or hundreds of thousands of years to thaw and release methane into the atmosphere, thereby ...
Earth Sciences
Feb 7, 2019
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237
Near the top of the world, plants grow on soil that rests atop permafrost, or permanently frozen soil. Just like plants in warmer regions, these need nitrogen to grow. The unique aspects of the permafrost environment create ...
Environment
Feb 4, 2019
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7
Temperatures are rising faster in the Arctic than any other place on Earth. If these changes continue, it is likely that the unique and diverse Arctic tundra will change into a more uniform vegetation dominated by shrubs.
Environment
Jan 8, 2019
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12
Could studying the peat moss that grows in the Arctic Tundra help mitigate the impacts of climate change?
Environment
Aug 29, 2018
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18
When people think of the Arctic, snow, ice and polar bears come to mind. Trees? Not so much. At least not yet.
Environment
Aug 6, 2018
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95
University of Virginia terrestrial ecologist Howie Epstein has won a $607,000 NASA grant to use Earth-observing satellite data to assess how vegetation diversity is changing in the Arctic tundra.
Earth Sciences
May 8, 2018
0
12
