On the Dynamics of the Auroral Ionosphere during the Breakup of a Substorm.

Abstract

The research investigation described here concentrated on several dynamic features of substorm evolution during its breakup phase. More specifically, we focussed upon the development of a model for the propagation of the Westward Travelling Surge (WTS) as seen from the viewpoint of an active ionosphere. We also considered a mechanism for the generation of pi2 pulsations. An important feature of our approach is the natural coupling which exists between the WTS motion and the frequency spectrum of the Pi2 modes. Thus, our theory predicts the correlation of Pi2 waveforms to substorm onsets. This correlation seems to be a reasonable one in light of recent observations of substorm morphology. Keywords: Magnetic storms; Aurorae.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1988
Accession Number
ADA193368

Entities

People

  • Michael B. Silevitch

Organizations

  • Northeastern University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Artificial Satellites
  • Classification
  • Couplings
  • Demographic Cohorts
  • Dispersion Relations
  • Electric Fields
  • Electron Energy
  • Electron Flux
  • Equations
  • Frequency
  • Ionosphere
  • Magnetic Fields
  • Transmission Lines
  • Wave Equations
  • Waveforms
  • Waves

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Space/Atmospheric Physics.