Cosmic rays, solar activity and the climate

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...

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Main Authors: T Sloan, A W Wolfendale
Format: Article
Language:English
Published: IOP Publishing 2013-01-01
Series:Environmental Research Letters
Subjects:
Online Access:https://doi.org/10.1088/1748-9326/8/4/045022
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author T Sloan
A W Wolfendale
author_facet T Sloan
A W Wolfendale
author_sort T Sloan
collection DOAJ
description 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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spelling doaj.art-40b5f7a597dc4e6787322b8cb8626a512023-08-09T14:39:47ZengIOP PublishingEnvironmental Research Letters1748-93262013-01-018404502210.1088/1748-9326/8/4/045022Cosmic rays, solar activity and the climateT Sloan0A W Wolfendale1Department of Physics, University of Lancaster , UKDepartment of Physics and Astronomy, University of Durham , UKAlthough 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.https://doi.org/10.1088/1748-9326/8/4/045022cosmic raysclimate
spellingShingle T Sloan
A W Wolfendale
Cosmic rays, solar activity and the climate
Environmental Research Letters
cosmic rays
climate
title Cosmic rays, solar activity and the climate
title_full Cosmic rays, solar activity and the climate
title_fullStr Cosmic rays, solar activity and the climate
title_full_unstemmed Cosmic rays, solar activity and the climate
title_short Cosmic rays, solar activity and the climate
title_sort cosmic rays solar activity and the climate
topic cosmic rays
climate
url https://doi.org/10.1088/1748-9326/8/4/045022
work_keys_str_mv AT tsloan cosmicrayssolaractivityandtheclimate
AT awwolfendale cosmicrayssolaractivityandtheclimate