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East Antarctic ice sheet 'vulnerable' to temperature changes

2013-08-30 09:59:00| Climate Ark Climate Change & Global Warming Newsfeed

BBC: The world's thickest ice sheet may be at greater risk from variations in the climate than previously believed. Scientists found that glaciers on the East Antarctic Ice Sheet (EAIS) advance and retreat in synch with changes in temperature. Since it contains enough water to raise global sea levels by over 50m, there is an urgent need to study the threat the researchers said. The research has been published in the journal Nature. Scientists have long been worried about the threat to sea...

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East Antarctic Ice Sheet May Be More Vulnerable Than Previously Believed

2013-08-29 13:04:00| Climate Ark Climate Change & Global Warming Newsfeed

RedOrbit: New research from Durham Universitys Department of Geography reveals that the worlds largest ice sheet could be more vulnerable to the effects of climate change than previously thought. A team of researchers used declassified spy satellite imagery from 1963 to 2012 to create the first long-term record of changes in the terminus of outlet glaciers where they meet the sea along 3,355 miles of the East Antarctic Ice Sheet's coastline. The team used measurements from 175 glaciers to show...

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East Antarctic glaciers could be much more vulnerable to climate change than previously thought.

2013-08-28 21:23:00| Climate Ark Climate Change & Global Warming Newsfeed

Scientific American: The warming, melting and potential contributions to sea level rise from glaciers in Greenland and West Antarctica in the face of climate change has long since been a serious concern. The behavior of the much larger East Antarctic ice sheet has been much more uncertain and until now has been thought to be relatively insensitive to climate change. Now an important paper in Nature from Durham University and the University of Zurich has examined a large number of satellite observations of the East...

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Krill face greater risks in warming Antarctic waters

2013-08-25 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Climate News Network: They may not look very appetizing, but they are what sustains much of the marine life in the southern ocean. Antarctic krill, usually less than 2.36 inches long, are the primary food source for many species of whale, seal, penguin and fish. Krill, the foundation of the Antarctic marine food chain, may be at a greater risk in warmer seas. But there's a problem: the waters round Antarctica are warming, and it looks as if they will probably continue to do so. If they do, a team of UK researchers...

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As Antarctic sea ice melts, seaweed smothers seafloor

2013-08-06 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Live Science: Seaweed could smother polar underwater ecosystems as melting sea ice exposes the seafloor to more sunlight, new research shows. Animals that dwell on the seafloor of the Arctic and Antarctic spend most of their lives in total darkness: Sea ice blocks rays during the spring and early summer, and the sun sets completely in the winter. Late summer and early fall when the ocean warms up enough to thaw the ice often marks the only time these critters see light. But as climate change causes sea ice...

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