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Large Sediment Plumes Flowing from Greenland Glaciers, NASA Images Show
2014-10-02 20:02:00| Climate Ark Climate Change & Global Warming Newsfeed
Yale Environment 360: Plumes of sediment-laden meltwater from southwest Greenlands glaciers are easily recognizable in this NASA satellite image captured in early September. Meltwater at the top of the ice sheet starts out relatively clean, but as it flows through glacial channels down to the ground and out into the ocean, it picks up large amounts of sediment a byproduct of the glacier scraping the bedrock. As a result, plumes, like the ones that appear light-blue in this photograph, are good markers for estimating...
Greenland Sediment Sheds Light on Sea Level Rise
2014-10-01 22:01:00| Climate Ark Climate Change & Global Warming Newsfeed
Climate Central: The planets largest island is mostly covered in ice up to 2 miles deep. And what happens to that ice has major implications for sea level rise: Greenlands ice would raise sea levels up to 24 feet higher if it all melted. While the prospects of it all melting are extremely slim and certainly not for centuries and centuries warmer air and water temperatures have pushed enough ice to melt from Greenland each year to account for about 30 percent of recently observed sea level rise. Ice reaches...
Greenland Ice Sheet more vulnerable to climate change than previously thought
2014-09-30 04:18:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: A new model developed by researchers at the University of Cambridge has shown that despite its apparent stability, the massive ice sheet covering most of Greenland is more sensitive to climate change than earlier estimates have suggested, which would accelerate the rising sea levels that threaten coastal communities worldwide. In addition to assessing the impact of the increasing levels of meltwater created and spilled into the ocean each year as the climate continues to warm, the new model also...
Tags: change
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Greenland ice melting at record speed
2014-08-22 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Deutsche-Welle: Satellite data shows ice sheets of Greenland and Antarctica are declining at record speed. The annual loss of ice has doubled in the case of Greenland and tripled in the West Antarctic compared to figures from 2009. Scientists from the Alfred Wegener Institute (AWI) in Bremerhaven mapping elevation changes of Greenlandic and Antarctic glaciers have found ice sheets are melting at record pace. Per year, the ice sheets dump some 500 cubic kilometers of ice into the oceans. The researchers say that...
Tags: record
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greenland
Antarctica & Greenland Losing Ice at Fastest Rate Ever Recorded
2014-08-21 18:03:00| Climate Ark Climate Change & Global Warming Newsfeed
Environment 360: Ice sheets in Greenland and Antarctica are losing mass at an unprecedented rate of 500 cubic kilometers per year enough ice to cover the Chicago metropolitan area with a layer of ice 600 meters thick according to German researchers. Using data from the European Space Agency's CryoSat 2 satellite from 2011 to 2014, the team created the most detailed maps to date of ice elevations across Antarctica and Greenland, accurate to a few meters in height. The results reveal that Greenland alone is losing...
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