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Solar radiation cycles Teiginys1 #5171 Changes in solar radiation impact on the observed changes in the global climate.

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Link[1] Sunspots may vanish by 2015. National Solar Observatory (Operated by the Association of Universities for Research in Astronomy, Inc (AURA), under cooperative agreement with the National Science Foundation), 950 N Cherry Av, Tucson, AZ 85726

Cituoja: William Livingston, Matthew Penn
Publication info: 2006
Cituojamas: David Price 6:12 PM 11 March 2009 GMT
Citerank: (1) 25378Solar radiation cyclesChanges in solar radiation impact on the observed changes in the global climate.22FF97FF
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http://wattsupwiththat.files.wordpress.com/2008/06/livingston-penn_sunspots2.pdf

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Abstract: We have observed spectroscopic changes in temperature sensitive molecular lines, in the magnetic splitting of an Fe I line, and in the continuum brightness of over 1000 sunspot umbrae from 1990-2005. All three measurements show consistent trends in which the darkest parts of the sunspot umbra have become warmer (45K per year) and their magnetic field strengths have decreased (77 Gauss per year), independently of the normal 11-year sunspot cycle. A linear extrapolation of these trends suggests that few sunspots will be visible after 2015.

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Redagavo: David Price
NodeID: #5171
Node type: PartArgument
Įvedimo data (GMT): 4/6/2008 9:19:00 PM
Paskutinės redakcijos data (GMT laikas): 12/2/2009 1:01:00 PM
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