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New Antarctic ice core to provide clearest climate record yet

After enduring months on the coldest, driest and windiest continent on Earth, researchers today closed out the inaugural season on an unprecedented, multiyear effort to retrieve the most detailed record of greenhouse gases in Earth's atmosphere over the last 100,000 years.

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1. AGU journal highlights -- Sept. 6, 2007
   09-09-2007 · EurekAlert!
   Solving the mystery of booming sand dunes, South Asian monsoon shifts south since 1400, Ozone-destroying chemicals wane, Robotic probes improve ocean analysis, Universal rule for repeating earthquakes?, Abrupt climate change clues in tropical Africa, Antarctic ice cores record ancient meteoritic events, New angle on solar wind’s magnetic reconnections, Understanding permeability in sea ice, Global observations of large oceanic eddies, Magnetic reconnection at large and small scales, and Interhemispheric coupling between stratosphere and mesosphere are papers featured in the upcoming issue of Geophysical Research Letters.
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2. Climate changes are linked between Greenland and the Antarctic
   11-09-2006 · EurekAlert!
   Even if climate records from Greenland and Antarctic ice cores look different, climate of Artic and Antarctic are directly linked. Investigations of an Antarctic ice core indicate a principle connection between both hemispheres by a "bipolar seesaw."
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3. European lead in reading past climates from ice cores
   10-11-2007 · EurekAlert!
   Climate change is a reality today, but how can we find out about the future dangers it poses? What we really need is a full record of the Earth's climate for several hundred thousand years, complete with samples of air from different epochs that can be taken to the lab for analysis. Incredibly, this record exists, in the icecaps of the Arctic and Antarctic regions, and a European Science Foundation program has a key role in deciphering it.
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4. 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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5. Evidence From Ice Age That Climate Change Can Have A Rapid Effect On Ocean Circulation
   10-09-2006 · ScienceDaily
   Sudden shifts in temperature over Greenland and tropical rainfall patterns during the last ice age have been linked for the first time to rapid changes in the salinity of the north Atlantic Ocean. The results provide further evidence that climate change can have a direct and rapid impact on ocean circulation and chemistry.
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6. 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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7. First direct evidence that human activity is linked to Antarctic Ice Shelf collapse
   10-16-2006 · EurekAlert!
   The first direct evidence linking human activity to the collapse of Antarctic ice shelves is published this week in the Journal of Climate. Scientists from the British Antarctic Survey, the Center for Polar Observation and Modeling, University College London and the Katholieke Universiteit Leuven, reveal that stronger westerly winds in the northern Antarctic Peninsula, driven principally by human-induced climate change, are responsible for the marked regional summer warming that led to the retreat and collapse of the northern Larsen Ice Shelf.
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8. Greenland melt accelerating, according to CU-Boulder study
   12-11-2007 · EurekAlert!
   The 2007 melt extent on the Greenland ice sheet broke the 2005 summer melt record by 10 percent, making it the largest ever recorded there since satellite measurements began in 1979, according to a University of Colorado at Boulder climate scientist.
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9. Radar opens new window into the ice for Antarctic scientists
   10-16-2006 · EurekAlert!
   Scientists are getting their first glimpse into the inner secrets of an ice shelf, thanks to the innovative application of a new radar technique developed by British Antarctic Survey (BAS). Getting a clearer view of how ice behaves is important because it will help scientists predict more accurately how the ice sheet will respond to future climate change. The results are published this week in the Journal of Glaciology.
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10. 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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