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The Response of Ozone to Solar Activity Variations: A Review

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Physics of Solar Variations
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Abstract

Observational evidence and theoretical predictions of the response of ozone to solar variations are reviewed. Short-term solar proton effects, possible effects of galactic cosmic rays modulated by the Sun, and the effects of 27-day solar rotation and 11-year solar cycle variations are discussed. Solar proton effects on HO x chemistry in the mesosphere and NO x chemistry in the stratosphere with resulting catalytic destruction of O3 help validate present day photochemical models. If there is an 11-year solar cycle variation in global ozone, the large dynamical effects at individual locations and the lack of good global coverage of ground based and in situ measurements can disguise it. Recently, with the global coverage of satellites, it has become possible to accurately determine global mean ozone. It has been found that variations in global mean ozone filtered for seasonal variations are highly correlated with variations of the 10.7 cm solar activity index and that global mean ozone responds rapidly to solar activity index variations. Photochemical models indicate that the observed 3% variations in global mean ozone over the solar cycle can be accounted for by solar UV variations which are not inconsistent with recent solar measurements.

Proceedings of the 14th ESLAB Symposium on Physics of Solar Variations, 16–19 September 1980, Scheveningen, The Netherlands.

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© 1981 Springer Science+Business Media Dordrecht

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Keating, G.M. (1981). The Response of Ozone to Solar Activity Variations: A Review. In: Domingo, V. (eds) Physics of Solar Variations. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-9633-1_32

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  • DOI: https://doi.org/10.1007/978-94-010-9633-1_32

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-9635-5

  • Online ISBN: 978-94-010-9633-1

  • eBook Packages: Springer Book Archive

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