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About this book
Sudden Ionospheric Disturbances resulting from an interaction of the Solar Flare radiation with the constituents of the upper atmosphere constitute one of the three major aspects of ground level monitoring of solar flares -the other two being optical observations of flares, and the observations of solar bursts in radio wavelengths. SIDs, therefore, form a major part of flare monitoring programme in many observatories. Unlike the other two, however, the ionospheric effects of flares provide one major additional source of interest - the reaction of the ionospheric plasma to an impulsive ionization. The high atmosphere provides a low pressure laboratory without walls in which a host of reactions occur between electrons, ions and neutral particles. The resulting products and their distributions may bear no resemblance to those of the primary neutral constituents or their direct ionization products. The variations with the time of the day, with season and with solar activity that form the bulk of the ionospheric measurements are too slow to allow any insight into the nature of these ionospheric reactions whose lifetimes are often very short. The relaxation time of the ionospheric ionization is only a few minutes or fraction of a minute in the lower ionosphere and in the E-region and is about 30 min to an hour at 300 km. The flares provide a sudden short impulse comparable to these time scales.
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Table of contents (11 chapters)
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Front Matter
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Back Matter
Authors and Affiliations
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Bibliographic Information
Book Title: Ionospheric Effects of Solar Flares
Authors: A. P. Mitra
Series Title: Astrophysics and Space Science Library
DOI: https://doi.org/10.1007/978-94-010-2231-6
Publisher: Springer Dordrecht
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eBook Packages: Springer Book Archive
Copyright Information: D. Reidel Publishing Company, Dordrecht, Holland 1974
Hardcover ISBN: 978-90-277-0467-2Due: 31 December 1974
Softcover ISBN: 978-94-010-2233-0Published: 07 January 2012
eBook ISBN: 978-94-010-2231-6Published: 06 December 2012
Series ISSN: 0067-0057
Series E-ISSN: 2214-7985
Edition Number: 1
Number of Pages: 305
Topics: Astrophysics and Astroparticles