Optical characterization of the growth and spatial structure of a substorm onset arc

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Rae, I. J.; Watt, Clare E. J.; Mann, I. R.; Murphy, K. R.; Samson, J. C.; Kabin, K.; Angelopoulos, V.;
  • Publisher: American Geophysical Union
  • Identifiers: doi: 10.1029/2010JA015376
  • Subject:
    arxiv: Physics::Geophysics | Physics::Plasma Physics | Physics::Space Physics

We present a detailed case study of the characteristics of auroral forms that constitute the first ionospheric signatures of substorm expansion phase onset. Analysis of the optical frequency and along-arc (azimuthal) wave number spectra provides the strongest constraint... View more
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