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Ionospheric Effects of Solar Flares

  • Book
  • © 1974

Overview

Authors:
  1. A. P. Mitra

    1. Radio Science Division, National Physical Laboratory, New Delhi-12, India

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Part of the book series: Astrophysics and Space Science Library (ASSL, volume 46)

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Table of contents (11 chapters)

  1. Front Matter

    Pages I-XI
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  2. Introduction

    • A. P. Mitra
    Pages 1-7

  3. Description of SID Techniques and Observations

    • A. P. Mitra
    Pages 8-59

  4. Flare Radiations Responsible for Ionospheric Effects

    • A. P. Mitra
    Pages 60-85

  5. SID Phenomenology

    • A. P. Mitra
    Pages 86-107

  6. Some Simple Analysis Techniques

    • A. P. Mitra
    Pages 108-125

  7. Some Outstanding Solar Flare Events

    • A. P. Mitra
    Pages 126-146

  8. Development of Electron Density Profiles from Synoptic SIDs

    • A. P. Mitra
    Pages 147-155

  9. D-Region Ionization Profiles and Loss Rates during Flares

    • A. P. Mitra
    Pages 156-169

  10. SIDs as a Tool for the Study of Aeronomy and Ion Chemistry

    • A. P. Mitra
    Pages 170-217

  11. SIDs as Flare Radiation Monitoring Techniques

    • A. P. Mitra
    Pages 218-251

  12. Polar Cap Absorption Events

    • A. P. Mitra
    Pages 252-278

  13. Back Matter

    Pages 279-296
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Keywords

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.

Authors and Affiliations

  • Radio Science Division, National Physical Laboratory, New Delhi-12, India

    A. P. Mitra

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

  • 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

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