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Detailed Picture Of Ice Loss Following The Collapse Of Antarctic Ice Shelves

July 26, 2011 Comments off

nanopatentsandinnovations.blogspot

An international team of researchers has combined data from multiple sources to provide the clearest account yet of how much glacial ice surges into the sea following the collapse of Antarctic ice shelves.

The work by researchers at the University of Maryland, Baltimore County (UMBC), the Laboratoire d’Etudes en Géophysique et Océanographie Spatiales, Centre National de la Recherche Scientifique at the University of Toulouse, France, and the University of Colorado’s National Snow and Ice Data Center, Boulder, Colo., details recent ice losses while promising to sharpen future predictions of further ice loss and sea level rise likely to result from ongoing changes along the Antarctic Peninsula.

The Larsen B ice shelf began disintegrating around Jan. 31, 2002. Its eventual collapse into the Weddell Sea remains the largest in a series of Larsen ice shelf losses in recent decades, and a team of international scientists has now documented the continued glacier ice loss in the years following the dramatic event. NASA’s MODerate Imaging Spectroradiometer (MODIS) captured this image on Feb. 17, 2002.
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Categories: Antarctica Tags: , ,

Pace of polar ice melt ‘accelerating rapidly’: study

March 10, 2011 Comments off

 

(AFP)

WASHINGTON — The pace at which the Greenland and Antarctic ice sheets are melting is “accelerating rapidly” and raising the global sea level, according to findings of a study financed by NASA and published Tuesday.

The findings suggest that the ice sheets — more so than ice loss from Earth’s mountain glaciers and ice caps — have become “the dominant contributor to global sea level rise, much sooner than model forecasts have predicted.”

This study, the longest to date examining changes to polar ice sheet mass, combined two decades of monthly satellite measurements with regional atmospheric climate model data to study changes in mass.

“That ice sheets will dominate future sea level rise is not surprising — they hold a lot more ice mass than mountain glaciers,” said lead author Eric Rignot, jointly of NASA’s Jet Propulsion Laboratory and the University of California, Irvine.

“What is surprising is this increased contribution by the ice sheets is already happening,” he said.

Under the current trends, he said, sea level is likely to be “significantly higher” than levels projected by Read more…

Categories: Antarctica Tags: , , , , , , , , , ,

Huge asteroid will hit Antarctica in 2012?

January 13, 2011 Comments off

Update: Jan 13, 2011.

If you caught Starfire Tor on CoastToCoastAM last week you may have heard her mention that ‘they’, the PowersThatBe know that an incoming near earth object is going hit earth sometime in the next 2 years. There is evidence to suggest the object is going to strike one of the poles… most likely the south pole. Special Scientific teams have been down in Antarctica mapping the ice shelf for probable weak points. The object is rumored to be 800 meters wide and when it hits the south pole the entire ice shelf will collapse within months.

A University of British Columbia Professor published an online article that projected an 800m asteroid would hit Antarctica in the fall of 2012. His article was on the http://www.phas.ubc.ca website Read more…

Categories: Space Tags: , , , ,