Effects of Ion-Neutral Collisions on Ion-Acoustic Instabilities in the Auroral Ionosphere

  • N. D’angelo
Conference paper
Part of the Astrophysics and Space Science Library book series (ASSL, volume 14)


The effect of ion-neutral atom (or molecule) collisions on the excitation of ion-acoustic instabilities in the auroral ionosphere is considered. These collisions may play an important role in selecting the wavelength of the perturbations that are most likely to grow at any given height. The results of the calculations are compared with observational evidence obtained from radio star scintillations and radar aurora echoes.


Height Range Auroral Region Radar Echo Giant Pulsation Auroral Ionosphere 
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Copyright information

© Springer Science+Business Media Dordrecht 1969

Authors and Affiliations

  • N. D’angelo
    • 1
  1. 1.European Space Research InstituteFrascati (Rome)Italy

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