Short- and Medium-Term Induced Ionization in the Earth Atmosphere by Galactic and Solar Cosmic Rays
Author
Source
International Journal of Atmospheric Sciences
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-11-12
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Earth Science , Water and Environment
Physics
Abstract EN
The galactic cosmic rays are the main source of ionization in the troposphere of the Earth.
Solar energetic particles of MeV energies cause an excess of ionization in the atmosphere, specifically over polar caps.
The ionization effect during the major ground level enhancement 69 on January 20, 2005 is studied at various time scales.
The estimation of ion rate is based on a recent numerical model for cosmic-ray-induced ionization.
The ionization effect in the Earth atmosphere is obtained on the basis of solar proton energy spectra, reconstructed from GOES 11 measurements and subsequent full Monte Carlo simulation of cosmic-ray-induced atmospheric cascade.
The evolution of atmospheric cascade is performed with CORSIKA 6.990 code using FLUKA 2011 and QGSJET II hadron interaction models.
The atmospheric ion rate is explicitly obtained for various latitudes, namely, 40°N, 60°N and 80°N.
The time evolution of obtained ion rates is presented.
The short- and medium-term ionization effect is compared with the average effect due to galactic cosmic rays.
It is demonstrated that ionization effect is significant only in subpolar and polar atmosphere during the major ground level enhancement of January 20, 2005.
It is negative in troposphere at midlatitude, because of the accompanying Forbush effect.
American Psychological Association (APA)
Mishev, Alexander. 2012. Short- and Medium-Term Induced Ionization in the Earth Atmosphere by Galactic and Solar Cosmic Rays. International Journal of Atmospheric Sciences،Vol. 2013, no. 2013, pp.1-9.
https://search.emarefa.net/detail/BIM-452690
Modern Language Association (MLA)
Mishev, Alexander. Short- and Medium-Term Induced Ionization in the Earth Atmosphere by Galactic and Solar Cosmic Rays. International Journal of Atmospheric Sciences No. 2013 (2013), pp.1-9.
https://search.emarefa.net/detail/BIM-452690
American Medical Association (AMA)
Mishev, Alexander. Short- and Medium-Term Induced Ionization in the Earth Atmosphere by Galactic and Solar Cosmic Rays. International Journal of Atmospheric Sciences. 2012. Vol. 2013, no. 2013, pp.1-9.
https://search.emarefa.net/detail/BIM-452690
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-452690