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Miniature lab ice spikes may hold clues to warming impacts on glaciers
03-05-2007 · EurekAlert!Tiny lab versions of 12-foot tall snow spikes that form naturally on some high mountain glaciers may someday help scientists mitigate the effects of global warming in the Andes, according to a University of Colorado at Boulder professor.
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- Himalayan glacier melting observed from space
03-27-2007 · EurekAlert!
The Himalayan glaciers are melting under the effect of global warming. However, the extent of this melting remains difficult to assess from ground surveys owing to the great number of glaciers, the difficulty of access and the vastness of the mountain chain. IRD and CNRS scientists from the research units Great Ice and Legos have overcome these difficulties by using satellite imagery. This is the first step of a much more extensive project: evaluation and surveillance of the whole system of Himalayan glaciers .
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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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- Man-made soot contributed to warming in Greenland in the early 20th century
08-09-2007 · EurekAlert!
New research shows that industrial development in North America between 1850 and 1950 greatly increased the amount of black carbon -- commonly known as soot -- that fell on Greenland's glaciers and ice sheets.
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- Soot from wood stoves in developing world impacts global warming more than expected
10-24-2006 · EurekAlert!
New measurements of soot produced by traditional cook stoves used in developing countries suggest that these stoves emit more harmful smoke particles and could have a much greater impact on global climate change than previously thought, according to a study scheduled to appear in the Nov. 1 issue of the American Chemical Society journal Environmental Science and Technology.
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- Past greenhouse warming events provide clues to what the future may hold
02-15-2008 · EurekAlert!
Scientists studying an extreme period of global warming 55 million years ago are piecing together an increasingly detailed picture of its causes and consequences. Their findings describe what may be the best analog in the geologic record for the global changes likely to result from continued carbon dioxide emissions from human activities.
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- Current melting of Greenland's ice mimicks 1920s-1940s event
12-09-2007 · EurekAlert!
Two researchers here spent months scouring through old expedition logs and reports, and reviewing 70-year-old maps and photos before making a surprising discovery: They found that the effects of the current warming and melting of Greenland 's glaciers that has alarmed the world's climate scientists occurred in the decades following an abrupt warming in the 1920s.
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- Glaciers not on simple, upward trend of melting
02-12-2007 · EurekAlert!
Two of Greenland's largest glaciers shrank dramatically and dumped twice as much ice into the sea during a period of less than a year between 2004 and 2005. And then, less than two years later, they returned to near their previous rates of discharge. Future warming may lead to rapid pulses of retreat and increased discharge rather than a long, steady drawdown, researchers say.
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- New Greenland ice sheet data will impact climate change models
02-11-2008 · EurekAlert!
A comprehensive new study authored by University at Buffalo scientists and their colleagues for the first time documents in detail the dynamics of parts of Greenland's ice sheet, important data that have long been missing from the ice sheet models on which projections about sea level rise and global warming are based.
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- Global warming, Antarctic ice is focus of multinational workshop
04-25-2007 · EurekAlert!
As the national repository for geological material from the Southern Ocean, the Antarctic Marine Geology Research Facility at Florida State University in Tallahassee, Fla., houses the premier collection of Antarctic sediment cores -- and a hot new acquisition will offer an international team of scientists meeting there May 1-4 its best look yet at the impact of global warming on oceans worldwide.
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- Corals and climate change
08-22-2007 · EurekAlert!
A modest new lab at the Rosenstiel School is the first of its kind to tackle the global problem of climate change impacts on corals. Fully operational this month, this new lab has begun to study how corals respond to the combined stress of greenhouse warming and ocean acidification. The lab is the first to maintain corals under precisely controlled temperature and carbon dioxide conditions while exposing them to natural light conditions.
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