Tuesday, 12 November 2013

Cosmic rays, solar activity and the climate

iop science
http://iopscience.iop.org/1748-9326/8/4/045022


Cosmic rays, solar activity and the climate

OPEN ACCESS FOCUS ON HIGH ENERGY PARTICLES AND ATMOSPHERIC PROCESSES
T Sloan1 and A W Wolfendale2
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Letter

Although it is generally believed that the increase in the mean global surface temperature since industrialization is caused by the increase in green house gases in the atmosphere, some people cite solar activity, either directly or through its effect on cosmic rays, as an underestimated contributor to such global warming. In this letter a simplified version of the standard picture of the role of greenhouse gases in causing the global warming since industrialization is described. The conditions necessary for this picture to be wholly or partially wrong are then introduced. Evidence is presented from which the contributions of either cosmic rays or solar activity to this warming is deduced. The contribution is shown to be less than 10% of the warming seen in the twentieth century.
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PACS
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Dates
Issue 4 (December 2013)
Received 10 July 2013, accepted for publication 21 October 2013
Published 7 November 2013
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  1. Cosmic rays, solar activity and the climate
    T Sloan and A W Wolfendale 2013 Environ. Res. Lett. 8 045022
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