News tagged with arctic warming
Environmental group measures methane seeps in the Arctic
(Phys.org) -- A team of researchers, led by Katey Walter Anthony, of the University of Alaska, has been studying and mapping so-called seeps, holes in lake ice near the edges of glaciers where methane is bubbling ...
Space & Earth / Earth Sciences
May 21, 2012 |
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Arctic marine mammals and fish populations on the rise
Arctic marine mammals and fish populations are on the rise, according to a report released on Monday by the the Arctic Council's biodiversity working group at a Montreal conference.
Apr 24, 2012 |
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Europe hammered by winter, is North America next?
For the first half of this year's winter, the big news was warm temperatures and lack of snow. Ski resorts were covered in bare dirt, while January temperatures in southern California topped July highs.
Space & Earth / Earth Sciences
Feb 17, 2012 |
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Global extinction: Gradual doom is just as bad as abrupt
A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed ...
Space & Earth / Earth Sciences
Feb 03, 2012 |
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Federal report: Arctic much worse since 2006
(AP) -- Federal officials say the Arctic region has changed dramatically in the past five years - for the worse.
Dec 01, 2011 |
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World temps maintain the heat of global warming
2011 is currently tied for the 10th hottest since records began in 1850 and Arctic sea ice has shrunk to record-low volumes this year, the U.N. weather office said Tuesday.
Nov 29, 2011 |
4.3 / 5 (15) |
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Polar bear habitats expected to shrink dramatically
Habitats of polar bears are expected to shrink dramatically over the coming decades, the International Union for Conservation of Nature warned Thursday, urging immediate action to save the Arctic animals.
Oct 20, 2011 |
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Ice heating up cold clouds
In the Arctic, competition within clouds is hot. The small amount of heat released when water vapor condenses on ice crystals in Arctic clouds, which contain both water and ice, determines the cloud's survival, ...
Space & Earth / Earth Sciences
Sep 21, 2011 |
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Model shows polar ice caps can recover from warmer climate-induced melting
A growing body of recent research indicates that, in Earth's warming climate, there is no "tipping point," or threshold warm temperature, beyond which polar sea ice cannot recover if temperatures come back down. New University ...
Space & Earth / Earth Sciences
Aug 17, 2011 |
4.6 / 5 (7) |
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Brightening clouds: Atmospheric scientists evaluate a technique for reflecting more sunlight back to space
(PhysOrg.com) -- What happens when tiny seawater particles are intentionally injected into low clouds over the ocean? To answer this question, scientists at Pacific Northwest National Laboratory and the National ...
Space & Earth / Earth Sciences
Aug 11, 2011 |
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Largest recorded tundra fire yields scientific surprises
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 ...
Jul 27, 2011 |
4.7 / 5 (12) |
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Has warming put 'Dirty Dozen' pollutants back in the saddle?
"Dirty Dozen" chemicals, including the notoriously toxic DDT, are being freed from Arctic sea ice and snow through global warming, a study published on Sunday suggested.
Jul 24, 2011 |
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Wetlands are bad and good news for Arctic warming: study
(PhysOrg.com) -- Seasonal wetlands in Arctic regions will initially persist longer due to global warming but then shrink as temperatures rise further, according to new study into how climate change will progress this century.
Space & Earth / Earth Sciences
Jun 07, 2011 |
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Ecological impact on Canada's Arctic coastline linked to global climate change
Scientists from Queen's and Carleton universities head a national multidisciplinary research team that has uncovered startling new evidence of the destructive impact of global climate change on North America's ...
May 16, 2011 |
4.3 / 5 (7) |
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Scientists measure Arctic soot in bid to slow global warming, oceans' rise
American scientists working on an island far above the Arctic Circle have been launching unmanned aircraft and digging snow samples to measure how soot helps melt Arctic snow and ice.
Space & Earth / Earth Sciences
May 11, 2011 |
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