Geomagnetism and Aeronomy

, Volume 58, Issue 1, pp 1–8 | Cite as

Index of the Long-Term Influence of Sporadic Solar Activity on Cosmic Ray Modulation

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Abstract

Coronal mass ejections (CMEs) not only produce Forbush effects but contribute to long-term modulations of cosmic rays. That makes coronal ejections the main sporadic manifestations of the solar activity, which should be considered in modulation models. In this paper, a new version of the CME-index is proposed based on a comparison of the data from satellite coronographs with Forbush effects and long-term variations of cosmic rays.

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radiowave PropagationRussian Academy of Sciences (IZMIRAN)TroitskRussia

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