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Latest Ice shelves of Antarctica Stories

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2008-03-25 16:45:00

British Antarctic Survey has captured dramatic satellite and video images of an Antarctic ice shelf that looks set to be the latest to break out from the Antarctic Peninsula. A large part of the Wilkins Ice Shelf on the Antarctic Peninsula is now supported only by a thin strip of ice hanging between two islands. It is another identifiable impact of climate change on the Antarctic environment. Scientists monitoring satellite images of the Wilkins Ice Shelf spotted that a huge (41 by 2.5 km)...

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2007-01-24 09:34:04

Under the former Larsen ice shelf east of the Antarctic Peninsula, deep-sea sea cucumbers and stalked feather stars were ubiquitously found in shallow waters. These animals usually inhabit far greater water depths. The main aim of the current Polarstern expedition to Antarctica is the investigation of marine ecosystems under the former Larsen ice shelf. This "white spot" with regard to biodiversity research gave rise to the following questions: What kind of life actually existed under the...

2006-12-29 07:57:57

LINCOLN, Neb. -- Scientists in Antarctica spent Christmas Day finishing work that may show the effects of global warming - drilling for clues about how massive ice sheets responded to past temperature changes. The project will be vital to creating a map of how the Earth may react to higher temperatures, scientists say. One hundred scientists from four countries are working on the Antarctic Geological Drilling Program, or ANDRILL, coordinated by the University of Nebraska-Lincoln. They gather...

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2005-08-04 17:40:00

The spectacular disintegration of Antarctica's "Larsen-B" Ice Shelf was unprecedented since the last ice age, according to a recent study to be published next week in Nature. And the disintegrating Antarctic ice could have huge implications for global warming and rising sea levels. Using sediment core and oxygen isotope analysis, researchers have recently proved that Larsen B -- which disintegrated in 35 days in 2002 -- had been a stable ice shelf 200 metres thick with a surface area of...

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2005-07-21 07:20:00

SYRACUSE, N.Y. -- An expansive ecosystem of knee-high mud volcanoes, snowy microbial mats and flourishing clam communities lies beneath the collapsed Larsen Ice Shelf in Antarctica, say researchers. The discovery made in February in a deep glacial trough in the northwestern Weddell Sea was detailed this week in Eos, the weekly newspaper of the American Geophysical Union. Such sunless, cold-vent ecosystems have been found elsewhere - near Monterey, Calif., in the Gulf of Mexico and in the...

2005-07-18 21:17:23

By Jeremy Lovell LONDON (Reuters) - Designed to cope with one of the most inhospitable environments on Earth, the winner announced on Tuesday of an international competition to build a new ice station in Antarctica resembles a giant blue centipede. British Antarctic Survey's Halley VI station will not only be on a floating ice shelf that will flow out to sea and break up, but it will host scientists all year long in temperatures that range from minus 5 degrees to minus 40 degrees...

2005-07-18 19:31:36

WASHINGTON - The chance discovery of a vast ecosystem beneath the collapsed Larsen Ice Shelf will allow scientists to explore the uncharted life below Antarctica's floating ice shelves and further probe the origins of life in extreme environments. Researchers discovered the sunless habitat after a recent underwater video study examining a deep glacial trough in the northwestern Weddell Sea following the sudden Larsen B shelf collapse in 2002. "This is definitely the biggest thing I've ever...

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2005-06-13 23:25:00

A multifaceted research effort by scientists at Scripps Institution of Oceanography at the University of California, San Diego, and their international colleagues from the University of Tasmania and the Australian Antarctic Division, has resulted in several important new findings about Antarctica and the changing dynamics of its ice structure. Scientists have been investigating the mechanisms by which Antarctic icebergs detach from the main continental ice sheet because of the importance of...

b7b7cd64926b93cb98e3b7588b17975f1
2005-02-24 07:10:00

LONDON (AP) -- The current retreat of ice shelves in the Antarctic due to global warming is nothing new - but this time the problem is manmade and therefore potentially more serious, according to research released Wednesday. Writing in the latest issue of the journal "Geology," British scientists said a survey had shown that ice shelves had retreated thousands of years ago as a result of rising air and ocean temperatures. "What this tells us is that ice shelves don't just break up because...