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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Arctic tundra, a unique ecosystem characterized by permafrost, contributes to approximately 45% of all Arctic methane sources and therefore plays an important role in global carbon cycle. Arctic region is warming faster than ...
Environment
Nov 9, 2020
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(PhysOrg.com) -- Microscopic animals that live in soils are as diverse in the tropical forests of Costa Rica as they are in the arid grasslands of Kenya or the tundra and boreal forests of Alaska and Sweden, according to ...
Ecology
Oct 18, 2011
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Vast amounts of toxic mercury are accumulating in the Arctic tundra, threatening the health and well-being of people, wildlife and waterways, according to a UMass Lowell scientist investigating the source of the pollution.
Environment
Jul 12, 2017
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773
Carbon stored in Arctic tundra could be released into the atmosphere by new trees growing in the warmer region, exacerbating climate change, scientists have revealed.
Environment
Jun 17, 2012
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Thawing permafrost in high-altitude mountain ecosystems may be a stealthy, underexplored contributor to atmospheric carbon dioxide emissions, new University of Colorado Boulder research shows.
Environment
Mar 21, 2019
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In 2007 the largest recorded tundra fire in the circumpolar arctic released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years, say scientists in the July 28 issue of the journal ...
Environment
Jul 27, 2011
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0
Wildfires in the Arctic often burn far away from populated areas, but their impacts are felt around the globe. From field and laboratory work to airborne campaigns and satellites, NASA is studying why boreal forests and tundra ...
Environment
Aug 13, 2019
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While most people think first of atmospheric carbon emissions from fossil fuels when considering climate change, the planet's soil actually stores more carbon and could become a major source of carbon release or a mitigation ...
Earth Sciences
Apr 14, 2022
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There are huge amounts of organic carbon in the soil beneath the tundra that covers the northernmost woodless areas of the planet. New research findings from Aarhus University show that the tundra may become a source of CO2 ...
Earth Sciences
Oct 10, 2013
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