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#1
December 15th 06, 06:08 PM
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OT but interesting - South Pole's ancient winds mapped
US scientists have reconstructed a 40,000-year record of wind
conditions at the South Pole. They assembled the climate data by measuring the distribution of dust layers seen in two ice boreholes. A comparison of the layers allowed the University of California-Berkeley team to gauge how rough snow surfaces would have been in ancient times. The researchers then used this "proxy" to assess the probable strength of wind needed to produce those features. More at http://news.bbc.co.uk/1/hi/sci/tech/6199834.stm |
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#2
December 15th 06, 09:19 PM
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OT but interesting - South Pole's ancient winds mapped
wrote in message ups.com... US scientists have reconstructed a 40,000-year record of wind conditions at the South Pole. I'd guess persistent northerlies throughout the entire period. Sorry. Frivolity still extending from very long Christmas lunch..... Martin |
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