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New Greenland ice sheet data will impact climate change models

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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Keywords: greenland, ice, sheet, data, impact, climate, change, models, model

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1. NASA mission checks health of Greenland's ice sheet and glaciers
   05-30-2007 · EurekAlert!
   A NASA-led research team has returned from Greenland after an annual three-week mission to check the health of its glaciers and ice sheet. About 82 percent of Greenland is made up of a giant ice sheet. During the Arctic Ice Mapping Project, researchers measured critical areas of the island's ice sheet as well as its glaciers and monitored changes that may be connected to global climate change.
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2. 'Noah's flood' kick-started European farming
   11-18-2007 · EurekAlert!
   The flood believed to be behind the Noah's Ark myth kick-started European agriculture. This research paper assesses the impact of the collapse of the North American (Laurentide) Ice Sheet, 8,000 years ago. The results indicate a catastrophic rise in global sea level led to the flooding of the Black Sea and drove dramatic social change across Europe. The research team argues that, in the face of rising sea levels driven by contemporary climate change, we can learn important lessons from the past
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3. 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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4. Melting of the Greenland ice cap may have consequences for climatic change
   05-07-2007 · EurekAlert!
   At the last ice age, before the great ice sheets of the Arctic Ocean began to melt, early sporadic episodes of melting of the old ice sheet which covered the British Isles had already begun to affect the circulation of the ocean currents. Based on this observation, scientists consider that the acceleration of the melting of the Greenland ice cap could play an important role in the development of climate change.
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5. New study increases concerns about climate model reliability
   12-11-2007 · EurekAlert!
   A new study comparing the composite output of 22 leading global climate models with actual climate data finds that the models do an unsatisfactory job of mimicking climate change in key portions of the atmosphere. This research, published online Wednesday in the Royal Meteorological Society's International Journal of Climatology, raises new concerns about the reliability of models used to forecast global warming.
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6. 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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7. Researchers Link Ice Age Climate-change Records To Ocean Salinity
   10-07-2006 · ScienceDaily
   Sudden decreases 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, according to research published Oct. 5, 2006, in the journal Nature.
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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. Many weather factors needed for accurate climate change predictions
   11-06-2006 · EurekAlert!
   Current climate change impact models that consider only one weather variable, such as increasing temperature, sometimes spawn unsubstantiated doomsday predictions, according to researchers at Purdue and North Carolina universities.
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10. Antarctic icebergs -- Hotspots of ocean life
    06-21-2007 · EurekAlert!
    Global climate change is causing Antarctic ice shelves to shrink and split apart, yielding thousands of free-drifting icebergs in the nearby Weddell Sea. According to a new study in this week's journal Science these floating islands of ice -- some as large as a dozen miles across -- are having a major impact on the ecology of the ocean around them, serving as "hotspots" for ocean life, with thriving communities of seabirds above and a web of phytoplankton, krill and fish below.
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