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Tag: antarctica
Antarctica study: Iceberg almost erases penguin population
2016-02-23 02:51:00| Climate Ark Climate Change & Global Warming Newsfeed
Associated Press: A new scientific study says an estimated 150,000 Adelie penguins have died in Cape Denison, Antarctica in the five years since a giant iceberg blocked their main access to food. The fact that the other colony is well preserved means that the decreased population in the Commonwealth Bay is due to the iceberg and no other factors involved. This strenuous trek has taken a devastating toll on the population, killing as many as 150,000 since 2011, according to a new study from the Climate Change Research...
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Ice sheet modeling of Greenland, Antarctica helps predict sea-level rise
2016-02-16 17:02:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: The Greenland and Antarctic ice sheets will make a dominant contribution to 21st century sea-level rise if current climate trends continue. However, predicting the expected loss of ice sheet mass is difficult due to the complexity of modeling ice sheet behavior. To better understand this loss, a team of Sandia National Laboratories researchers has been improving the reliability and efficiency of computational models that describe ice sheet behavior and dynamics. The team includes researchers Irina...
Giant iceberg could wipe out Adélie penguin colony at Cape Denison, Antarctica
2016-02-15 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Sydney Morning Herald: More than 150,000 Adélie penguins have perished in a single colony in Antarctica after the grounding of a giant iceberg. The penguins used to thrive at Cape Denison in Commonwealth Bay, where strong winds blowing off the ice sheet kept a large area of water open near the shore. Adélie penguins. An iceberg grounding in Commonwealth Bay threatens a colony's survival. But in December 2010 an iceberg bigger than the ACT grounded in the bay, trapping floating sea ice near the coast. The penguins...
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Runaway ice loss in Antarctica
2015-11-30 16:02:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: By studying rocks at different elevations beside the East Antarctic Ice Sheet (EAIS), a New Zealand-led team concluded that a period of rapid glacier thinning occurred in the recent geological past, and persisted for several centuries. Satellite observations show that parts of the Antarctic ice sheet are currently thinning in response to a warming ocean. Of particular concern is the potential for 'marine ice sheet instability', where an initial retreat of ice margins into deepening valleys could...
Tags: loss
ice
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runaway
No, NASA has not reversed itself on dangerous melting of Antarctica
2015-11-04 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Mashable: Many of the scientific studies published in the past two years on the stability of the Antarctic ice sheet can best be characterized as anxiety-inducing, if not outright panic-causing. Studies have shown that huge chunks of the continent may be far more unstable than previously thought, and more susceptible to melting from manmade climate change and other factors. This is especially the case with the West Antarctic Ice Sheet and the glaciers along the Antarctic Peninsula. See also: Paris Climate...
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