antarctic ice sheet

Shrinking ice sheet may free methane reserves


August 30th, 2012 - 12:49 pm ICT by IANS
London, Aug 30 (IANS) Billons of tonnes of the potent greenhouse gas methane locked beneath the Antarctic ice sheet could be released into the atmosphere if enough of the ice ... Read more...

Posted in Uncategorized |

Sea levels may rise much higher, says fossil study


July 16th, 2012 - 1:39 pm ICT by IANS
Sydney, July 16 (IANS) Sea levels may rise much higher than previously thought, suggests a new study on fossil corals, which shows how warmer climes in the past promoted dramatic ... Read more...

Posted in World |

Antarctic ice shelf faces threat from warm waters


May 10th, 2012 - 7:33 pm ICT by IANS
Berlin, May 10 (IANS) Scientists have punched holes in Antarctic's viability by refuting the prevalent assumption that its Weddell Sea ice shelves would remain impervious to global warming due to ... Read more...

Posted in Uncategorized |

Evidence from octopus hints at ice sheet collapse


May 10th, 2012 - 2:09 pm ICT by IANS
Sydney, May 10 (IANS) Genetic evidence from an Antarctic octopus indicates that the West Antarctic ice sheet - one of the world's major ice sheets - could collapse if temperatures ... Read more...

Posted in Environment |

Scientists estimate sea level rise by studying past carbon dioxide levels


May 2nd, 2011 - 6:19 pm ICT by ANI
London, May 2 (ANI): A team of scientists have found how an estimate of the sea level rise can be made by looking at atmospheric carbon dioxide levels 3 million years ago.The ... Read more...

Posted in Health Science |

Antarctic ice ‘may be more stable than previously thought’


March 5th, 2011 - 2:39 pm ICT by ANI
London, Mar 5 (ANI): Antarctica's ice may have hung on for the past 200,000 years, surviving the last interglacial- suggesting the ice sheet may be more stable than previously thought.A new study ... Read more...

Posted in Health Science |

Some Antarctic ice is building up from bottom


March 4th, 2011 - 3:11 pm ICT by ANI
Washington, Mar 4 (ANI): New findings by scientists working in the remotest part of Antarctica could reshape our understanding of how the ice sheet expands and moves, and how it might react ... Read more...

Posted in Health Science |

West Antarctic ice sheet would collapse by year 3000: Study


January 10th, 2011 - 2:21 pm ICT by ANI
London, Jan 10 (ANI): By the dawn of this millennium, the West Antarctic ice sheet is likely to collapse and the global sea level may rise by nearly four meters, suggests a ... Read more...

Posted in Health Science |

Climate change to precipitate Antarctic ice sheet collapse


January 10th, 2011 - 2:14 pm ICT by IANS
Toronto, Jan 10 (IANS) Rising carbon dioxide levels will precipitate the collapse of the West Antarctic ice sheet by the year 3000, causing sea levels to rise by four metres. The study ... Read more...

Posted in Sci-Tech |

Melting glacial ice sheets ‘may not raise sea levels after all’


November 22nd, 2010 - 5:09 pm ICT by ANI
London, Nov 22 (ANI): Glaciologists have been worried sick that the West Antarctic ice sheet will collapse over the next few centuries, raising sea levels dramatically, but a new study counters this ... Read more...

Posted in Health Science |

Giant asteroid collision created 50 km wide undersea dome


May 24th, 2010 - 3:22 pm ICT by IANS
Sydney, May 24 (IANS) Scientists have identified a dome, rather than a crater, at least 50 km across, buried under the Timor Sea. It was created by a giant asteroid smashing into ... Read more...

Posted in Sci-Tech |

Here’s how ice flows


May 8th, 2010 - 1:19 pm ICT by ANI
Washington, May 8 (ANI): Scientists from the Alfred Wegener Institute have presented first results of a new measurement method in Antarctica.Dr. Olaf Eisen from the German Alfred Wegener Institute has presented results ... Read more...

Posted in Health Science |

Antarctica Imminently Falling Apart?


March 8th, 2010 - 9:20 pm ICT by Pen Men At Work
March 8, 2010 (Pen Men At Work): Topical information on gigantic icebergs, which are of the size of diminutive U.S. states, separating Antarctica, may sound dire. But these developments typically symbolize ... Read more...

Posted in Environment |

Ice shelves attached to Antarctica are disappearing


February 23rd, 2010 - 4:31 pm ICT by IANS
Washington, Feb 23 (IANS) Floating ice shelves attached to Antarctica are disappearing due to global warming, says a new study, adding that this is especially alarming because the shelves hold together the ... Read more...

Posted in Sci-Tech |

Vanishing ice shelves in Antarctic Peninsula could result in sea-level rise


February 23rd, 2010 - 1:47 pm ICT by ANI
Washington, Feb 23 (ANI): A new research by US Geological Survey (USGS) has determined that ice shelves are retreating in the southern section of the Antarctic Peninsula due to climate change, which ... Read more...

Posted in Health Science |

Ice Shelves on Antarctic Peninsula in danger


February 23rd, 2010 - 1:48 am ICT by BNO News
RESTON, VIRGINIA (BNO NEWS) – Ice shelves in the southern section of the Antarctic Peninsula are in danger because of global warming issues, the U.S. Geological Survey (USGS) said Monday.The sea-level could ... Read more...

Posted in Environment |

Drilling project to reveal climate change in Antarctic


January 29th, 2010 - 5:03 pm ICT by IANS
Sydney, Jan 29 (IANS) The world's largest marine geoscience project is underway to drill deep beneath the Antarctic to discover clues to climate change. That would involve boring through two km of ... Read more...

Posted in Sci-Tech |

Antarctica’s “ghost mountains” finally come into view


January 24th, 2010 - 4:13 pm ICT by ANI
Washington, January 24 (ANI): A team of scientists has announced that the so-called 'ghost peaks' in the middle of Antarctica, which are hidden miles beneath the surface of an ice sheet, ... Read more...

Posted in Health Science |

Major Antarctic glacier ‘passes critical tipping point’


January 14th, 2010 - 2:07 pm ICT by ANI
London, Jan 14 (ANI): A new modelling study by researchers at University of Oxford has revealed that a major Antarctic glacier has passed its tipping point.Richard Katz of the University of ... Read more...

Posted in Health Science |

Sea levels likely to rise by 1.4 meters by 2100 as polar ice melts


December 1st, 2009 - 1:56 pm ICT by ANI
London, December 1 (ANI): A major review of climate change in Antarctica has indicated that sea levels are likely to rise by about 1.4m (4ft 6in) globally by 2100 as polar ice ... Read more...

Posted in Health Science |

East Antarctic ice sheet losing mass from last 3 years


November 23rd, 2009 - 2:12 pm ICT by ANI
London, November 23 (ANI): An analysis of data from a gravity-measuring satellite mission has determined that the East Antarctic ice sheet has been losing mass for the last three years.According to a ... Read more...

Posted in Health Science |

West Antarctic ice sheet may not be losing ice as fast as once believed


October 20th, 2009 - 1:24 pm ICT by ANI
Washington, October 20 (ANI): New ground measurements made by the West Antarctic GPS Network (WAGN) project has suggested that the rate of ice loss of the West Antarctic ice sheet has been ... Read more...

Posted in Health Science |

NASA set to conduct largest airborne polar ice survey


October 9th, 2009 - 4:09 pm ICT by IANS
Washington, Oct 9 (IANS) NASA will conduct a massive polar survey from Oct 15 to examine changes to Antarctica's sea ice and glaciers. The flights are part of Operation Ice Bridge, a six-year ... Read more...

Posted in Sci-Tech |

Airborne survey to study changes to Antarctica’s sea ice, glaciers and ice sheets


October 9th, 2009 - 2:01 pm ICT by ANI
Washington, October 9 (ANI): NASA is all set to begin a series of flights to study changes to Antarctica's sea ice, glaciers and ice sheets.The flights are part of Operation Ice Bridge, ... Read more...

Posted in Health Science |

Declining CO2 levels helped in Antarctic formation 34 million years ago


September 14th, 2009 - 12:45 pm ICT by ANI
Washington, September 14 (ANI): In a major research study, the link between declining carbon dioxide (CO2) levels in the earth's atmosphere and the formation of the Antarctic ice caps some 34 million ... Read more...

Posted in Health Science |

Falling carbon dioxide formed the Antarctic ice-cap


September 14th, 2009 - 12:09 pm ICT by IANS
London, Sep 14 (IANS) The link between declining carbon dioxide levels and the formation of Antarctic ice caps some 34 million years ago has been established in a major research study. A ... Read more...

Posted in Sci-Tech |

Antarctica had more room for ice 34 mln yrs ago than previously thought


September 10th, 2009 - 4:52 pm ICT by ANI
Washington, September 10 (ANI): Scientists, in a new research, have found that about 34 million years ago, Antarctica had more room for ice than previously thought.Scientists from the University of California, Santa ... Read more...

Posted in Health Science |

Antarctic glacier thinning four times faster than it was 10 years ago


August 14th, 2009 - 2:00 pm ICT by ANI
London, August 14 (ANI): A new research has determined that one of the largest glaciers in Antarctica is thinning four times faster than it was 10 years ago.Professor Duncan Wingham of University ... Read more...

Posted in Health Science |

Sea to rise 5 metres as West Antarctic ice sheet melts


July 7th, 2009 - 11:39 am ICT by IANS
Sydney, July 7 (IANS) The melting of West Antarctic ice sheet, Antarctica's most vulnerable part, could raise global sea levels by up to five metres. "Polar ice sheets have grown and collapsed ... Read more...

Posted in Sci-Tech |

Global warming could raise sea level by five metres: Scientist


July 2nd, 2009 - 2:07 pm ICT by IANS
Wellington, July 2 (DPA) New evidence shows that if global warming melts the West Antarctic ice sheet, sea levels around the world could rise by up to five metres, a New Zealand ... Read more...

Posted in Environment |

Melting ice could lead to massive waves of climate refugees


June 4th, 2009 - 1:25 pm ICT by ANI
Washington, June 4 (ANI): If the Greenland ice sheet were to melt, it would raise sea level 7 meters, leading to massive waves of climate refugees.According to a report in Environmental News ... Read more...

Posted in Health Science |

How Antarctica became the world’s biggest chunk of ice


June 4th, 2009 - 12:26 pm ICT by ANI
London, June 4 (ANI): Scientists have come up with the first detailed view of how the Antarctic ice sheet, the world's biggest chunk of ice, was born.According to a report in New ... Read more...

Posted in Health Science |

America may be hit hardest by collapse of West Antarctic Ice Sheet


May 15th, 2009 - 12:16 pm ICT by ANI
Washington, May 15 (ANI): A new study has suggested that a total or partial collapse of the West Antarctic Ice Sheet (WAIS) as a result of global warming would lead to levels ... Read more...

Posted in Health Science |

Antarctica’s ice cover was much larger 10,000 years ago than it is today


May 6th, 2009 - 2:20 pm ICT by ANI
Washington, May 6 (ANI): New Antarctic seabed sonar images have revealed that the extent of ice covering the continent of Antarctica at the end of the last ice age around 10,000 years ... Read more...

Posted in Health Science |

Microbes found living underground in Antarctica


April 17th, 2009 - 2:52 pm ICT by IANS
Washington, April 17 (IANS) An uncharted reservoir of briny liquid, buried under an inland Antarctic glacier, supports unusual microbial life in a place where life is unthinkable. After sampling the outflow from below ... Read more...

Posted in Sci-Tech |

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