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by dahart
1041 days ago
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> a 10% change in CO2 greenhouse effect is roughly the same amount of energy as the observed change in solar cycle output. I think your calculation might be mistaken, that number doesn’t make a lot of sense and is not supported by measurements. See Figs 13 & 16 in the following paper for magnitudes of temperature variation attributed to solar cycle variation. https://www.imperial.ac.uk/media/imperial-college/grantham-i... The link you provided summarized the solar cycle’s contribution to warming as “very small”. This paper also notes that the solar cycle’s affect in the last 50 years has been cooling on average, and that recent warming trends are “almost entirely” due to changes in CO2. |
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