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Exploration of lake hidden beneath Antarctica's ice sheet begins
01-15-2008 · EurekAlert!A four-man science team led by British Antarctic Survey's Dr Andy Smith has begun exploring an ancient lake hidden deep beneath Antarctica's ice sheet. The lake -- the size of Lake Windermere -- could yield vital clues to life on Earth, climate change and future sea-level rise.
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- Scientists melt million-year-old ice in search of ancient microbes
11-23-2007 · EurekAlert!
Researchers from the University of Delaware and the University of California at Riverside have thawed ice estimated to be at least a million years old from above Lake Vostok, an ancient lake that lies hidden more than two miles beneath the frozen surface of Antarctica.
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- Robot plumbs Wisconsin lake on way to Antarctica, jovian moon
02-11-2008 · EurekAlert!
A University of Illinois at Chicago scientist will lead a team testing a robotic probe in a polar-style, under-ice exploration of Madison's Lake Mendota that may have out-of-this world applications.
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- Radar reveals view of land beneath polar ice
12-11-2006 · EurekAlert!
In the first test of a new radar instrument, scientists have seen through more than a mile of Greenland ice to reveal an image of land that has been hidden for millions of years. Ohio State University scientists and their colleagues will use what they learn from the instrument, dubbed GISMO (for Global Ice Sheet Mapping Orbiter), to determine how global climate change will affect the ice.
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- Scientists observe drumlin beneath ice sheet
01-23-2007 · EurekAlert!
Scientists have discovered a warehouse-sized drumlin -- a mound of sediment and rock -- actively forming and growing under the ice sheet in Antarctica. Its discovery, and the rate at which it was formed, sheds new light on ice-sheet behavior. This could have implications for predicting how ice sheets contribute to sea-level rise. The results are published this week in the journal Geology.
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- Study of underground lakes in Antarctica could be critical, prof says
06-05-2007 · EurekAlert!
The discovery of interconnected lakes beneath kilometers of ice in Antarctica could be one of the most important scientific finds in recent years, but proper procedures need to be established before investigation begins, says a Texas A&M University scientist who is a leader in the research efforts.
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- Joint NASA study reveals leaks in Antarctic 'plumbing system'
02-15-2007 · EurekAlert!
Scientists using NASA satellites have discovered an extensive network of waterways beneath a fast-moving Antarctic ice stream and clues as to how "leaks" in the system impact sea level and the world's largest ice sheet. Antarctica holds about 90 percent of the world's ice and 70 percent of the world's reservoir of fresh water.
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- Study finds subglacial water in West Antarctica considerably more active than previously observed
02-15-2007 · EurekAlert!
The recent discovery of a subglacial water system beneath the West Antarctic ice sheet (WAIS) is causing scientists to rethink the mechanisms that control the flow of ice streams into the Ross Ice Shelf and ultimately into the Southern Ocean, according to a report in the February 15, 2007, issue of Science magazine online.
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- Antarctic ice sheet's hidden lakes speed ice flow into ocean, may disrupt climate
03-06-2007 · EurekAlert!
In a new study, researchers have unearthed how water from a vast subglacial system contributes to the formation of ice streams, and how it plays a crucial role in transporting ice from the remote interior of Antarctica toward the surrounding ocean. Water flowing from this network of under-ice lakes, they say, ultimately affects climate and global sea level.
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- First evidence of under-ice volcanic eruption in Antarctica
01-20-2008 · EurekAlert!
The first evidence of a volcanic eruption from beneath Antarctica's most rapidly changing ice sheet is reported this week in the journal Nature Geosciences. The volcano on the West Antarctic Ice Sheet erupted 2,000 years ago and remains active. Using airborne ice-sounding radar, scientists from British Antarctic Survey discovered a layer of ash produced by a 'subglacial' volcano. It extends across an area larger than Wales.
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- December Geology and GSA Today media highlights
12-01-2006 · EurekAlert!
Topics include: impact of melting glaciers on near-shore ecosystems; discovery of intact egg clusters from a Middle Cambrian oceanic invertebrate; biotic recovery from the End-Permian mass extinction; fossil evidence of unusual animal foraging behavior; dating the destruction of Herod the Great's harbor at Caesarea; El Niсo-related landslides along the Big Sur coastline, and evidence of flowing water at Mars' Erebus crater. The GSA Today science article describes dynamics of ice sheet recession in East Antarctica.
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