Talk:Solar variation

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new review paper[edit]

This is a sort of todo note for me or anyone else that has more time than me. A new review article came out this morning on Solar Irradiance Variation and climate. It seems to be pretty well written and could definitely be used to improve that section of this article. Sailsbystars (talk) 15:19, 13 June 2013 (UTC)

Chart looks rather out of date[edit]

The chart needs updating - as it ends in 2006 - missing the latest solar cycle. (talk) 14:46, 7 April 2014 (UTC)


There is an inconsistency between the presented TSI graph, the graph of sunspot numbers and data available from NASA SORCE. I am looking at and find


which is not consistent with what is presented on this encyclopedia page. (talk) 19:33, 7 October 2013 (UTC)dogsinlove

Which of our graphs are you talking about? File:Carbon14-sunspot-1000px.png? In what way are the two graphs inconsistent? William M. Connolley (talk) 19:57, 7 October 2013 (UTC)

Historical perspective[edit]

Is this quote really helpful? First off, it talks about weather prediction, not climate. The quote itself is ambiguous, open to interpretation as either: "history has shown time and again that it is pseudo-science" or as "in those days it was seen as pseudo-science, but now we have a better understanding". The intro of the source text would be a better choice imo:

Since it is the Sun's energy that drives the weather system, scientists naturally wondered whether they might connect climate changes with solar variations. Yet the Sun seemed to be stable over the timescale of human civilization. Attempts to discover cyclic variations in weather and connect them with the 11-year sunspot cycle, or other possible solar cycles ranging up to a few centuries long, gave results that were ambiguous at best. These attempts got a well-deserved bad reputation. Jack Eddy overcame this with a 1976 study that demonstrated that irregular variations in solar surface activity, a few centuries long, were connected with major climate shifts. The mechanism was uncertain, but plausible candidates emerged. Ssscienccce (talk) 20:18, 20 October 2013 (UTC)

The article itself is rife with such conflicts. I don't expect an easy resolution. Batvette (talk) 12:50, 7 November 2013 (UTC)

Solar constant[edit]

The article states that "The amount of solar radiation received at the outer limits of Earth's atmosphere averages 1366 W/m2." Yet the Wikipedia article on the solar constant gives the value of 1361 W/m2. Can anyone explain the discrepancy? Thanks. Mhklein (talk) 20:11, 27 March 2014 (UTC)