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#1
November 26th 03, 03:12 AM
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Reconstruction of sunspot activity since 850 AD from 10Be concentrations
Ref: http://ojps.aip.org/prl/covers/91_21.jsp
http://ojps.aip.org/prl/covers/images/lg91-21.jpg Reconstruction of sunspot activity since 850 AD from 10Be concentration in Antarctic (red) and Greenland (green) ice cores. The black line starting at 1610 shows recorded sunspot counts, and the horizontal bars point to various minima & maxima. This 3-fold extension of the sunspot record into the past reveals that the high solar activity since 1940 is unique over the past 1,150 years. Full Physical Review Letters available to subscribers at http://link.aps.org/abstract/PRL/v91/e211101 
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#2
November 26th 03, 03:30 AM
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Reconstruction of sunspot activity since 850 AD from 10Beconcentrations
Sam Wormley wrote:
Ref: http://ojps.aip.org/prl/covers/91_21.jsp http://ojps.aip.org/prl/covers/images/lg91-21.jpg Reconstruction of sunspot activity since 850 AD from 10Be concentration in Antarctic (red) and Greenland (green) ice cores. The black line starting at 1610 shows recorded sunspot counts, and the horizontal bars point to various minima & maxima. This 3-fold extension of the sunspot record into the past reveals that the high solar activity since 1940 is unique over the past 1,150 years. Full Physical Review Letters available to subscribers at http://link.aps.org/abstract/PRL/v91/e211101 Reconstruction of solar activity for the last millennium using 10Be data http://arxiv.org/abs/astro-ph/0309556 A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940's http://arxiv.org/abs/astro-ph/0310823
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