Macroscopic Ion Acceleration Associated with the Formation of the Ring Current in the Earth's Magnetosphere

  1. Tom Chang,
  2. M. K. Hudson,
  3. J. R. Jasperse,
  4. R. G. Johnson,
  5. P. M. Kintner and
  6. M. Schulz
  1. B. H. Mauk and
  2. C.-I. Meng

Published Online: 21 MAR 2013

DOI: 10.1029/GM038p0351

Ion Acceleration in the Magnetosphere and Ionosphere

Ion Acceleration in the Magnetosphere and Ionosphere

How to Cite

Mauk, B. H. and Meng, C.-I. (1986) Macroscopic Ion Acceleration Associated with the Formation of the Ring Current in the Earth's Magnetosphere, in Ion Acceleration in the Magnetosphere and Ionosphere (eds T. Chang, M. K. Hudson, J. R. Jasperse, R. G. Johnson, P. M. Kintner and M. Schulz), American Geophysical Union, Washington, D. C.. doi: 10.1029/GM038p0351

Author Information

  1. The Johns Hopkins University, Applied Physics Laboratory, Laurel, MD 20707

Publication History

  1. Published Online: 21 MAR 2013
  2. Published Print: 1 JAN 1986

ISBN Information

Print ISBN: 9780875900636

Online ISBN: 9781118664216

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Keywords:

  • Magnetosphere—Congresses;
  • Ionosphere—Congresses;
  • Ion flow dynamics—Congresses;
  • Space plasmas—Congresses

Summary

As an illustration of the operation of macroscopic ion acceleration processes within the earth's magnetosphere, we review processes thought to be associated with the formation of the earth's ringcurrent populations. Arguing that the process of global, quasi-curl-free convection cannot explain particle characteristics observed in the middle (geosynchronous) to outer regions, we conclude that the transport and energization of the seed populations that give rise to the ring-current populations come about in two distinct stages involving distinct processes. Near and outside the geostationary region ≳6 to 7 Re), the energization and transport are always associated with highly impulsive and relatively localized processes driven by inductive electric fields. The subsequent adiabatic earthward transport is driven principally by enhanced, curl-free global convection fields.