J. Space Weather Space Clim.
Volume 3, 2013
COST Action ES0803
|Number of page(s)||17|
|Published online||26 March 2013|
Impact of cosmic rays and solar energetic particles on the Earth’s ionosphere and atmosphere
Institute for Space Research & Technology, Academy of Sciences, 1113 Sofia, Bulgaria
2 Institute of Experimental Physics, SAS, Watsonova 47, 04001 Košice, Slovakia
3 Institute of Atmospheric Physics, ASCR, Bocni II, 14131 Prague, Czech Republic
4 Institute for Nuclear Research and Nuclear Energy, Academy of Sciences, 1784 Sofia, Bulgaria
5 Sodankyla Geophysical Observatory, University of Oulu unit, Finland
* Corresponding author: e-mail: email@example.com
Accepted: 4 March 2013
A brief review of the study during COST Action ES0803 of effects due to cosmic rays (CR) and solar energetic particles (SEP) in the ionosphere and atmosphere is presented. Models CORIMIA (COsmic Ray Ionization Model for Ionosphere and Atmosphere) and application of CORSIKA (COsmic Ray SImulations for KAscade) code are considered. They are capable to compute the cosmic ray ionization profiles at a given location, time, solar and geomagnetic activity. Intercomparison of the models, as well as comparison with direct measurements of the atmospheric ionization, validates their applicability for the entire atmosphere and for the different levels of the solar activity. The effects of CR and SEP can be very strong locally in the polar cap regions, affecting the physical-chemical and electrical properties of the ionosphere and atmosphere. Contributions here were also made by the anomalous CR, whose ionization is significant at high geomagnetic latitudes (above 65°–70°). Several recent achievements and application of CR ionization models are briefly presented. This work is the output from the SG 1.1 of the COST ES0803 action (2008–2012) and the emphasis is given on the progress achieved by European scientists involved in this collaboration.
Key words: cosmic rays / solar energetic particles / ionization / ionosphere / atmosphere / solar activity / solar-terrestrial relationships
© P. Velinov et al., Published by EDP Sciences 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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