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Solar radiation cycles
DeelArgument
1
#5171
Changes in
solar radiation
impact on the observed changes in the global climate.
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Anthropogenic Climate Change »
Anthropogenic Climate Change
Anthropogenic Climate Change☜Mapping the causes, consequences and potential responses to climate change.☜F1CEB7
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Human impact on the Earth's climate? »
Human impact on the Earth's climate?
Human impact on the Earth's climate?☜Is human activity changing the Earths climate? To what extent are changes in the Earths climate being driving by human behavior?☜FFB597
▲
Case for significant anthropogenic forcing remains unclear »
Case for significant anthropogenic forcing remains unclear
Case for significant anthropogenic forcing remains unclear☜The case for significant anthropogenic forcing of the climate remains unclear.☜59C6EF
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Earth's climate influenced significantly by other factors »
Earth's climate influenced significantly by other factors
Earth's climate influenced significantly by other factors☜Other (non-human factors) exert a significant influence on the Earths climate making it difficult to draw any firm conclusions about the significance of antropogenic effects.☜98CE71
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Astronomical phenomena »
Astronomical phenomena
Astronomical phenomena ☜These are obvious natural factors to consider, particularly the brightness of the sun and details of the earths orbit, because those seem to have been major drivers of the ice ages and other climate changes before the rise of industrial civilization.☜FF97FF
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Solar radiation cycles
Solar radiation cycles☜Changes in solar radiation impact on the observed changes in the global climate.☜FF97FF
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Are solar variations the source of the observed warming »
Are solar variations the source of the observed warming
Are solar variations the source of the observed warming☜To what extent are solar variations responsible for the observed warming of the Earth? ?☜FFB597
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[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
Citerend uit:
William Livingston, Matthew Penn
Publication info:
2006
Geciteerd door:
David Price
6:12 PM 11 March 2009 GMT
Citerank:
(1)
25378
Solar radiation cycles
Changes in
solar radiation
impact on the observed changes in the global climate.
22
FF97FF
URL:
http://wattsupwiththat.files.wordpress.com/2008/06/livingston-penn_sunspots2.pdf
Fragment-
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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Gemaakt door:
David Price
NodeID:
#5171
Node type:
PartArgument
Gemaakt op (GMT):
4/6/2008 9:19:00 PM
Laatste bewerking (GMT):
12/2/2009 1:01:00 PM
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