Empirical plasmapause models from magnetic indices

  title={Empirical plasmapause models from magnetic indices},
  author={T. P. O’brien and Mark B. Moldwin},
[1] We use a database of CRRES in situ observations of plasmapause crossings to build empirical models of the plasmapause location as a function of geomagnetic indices. Previous models used the maximum value in Kp during the hours to days leading up to the plasmapause crossing. We find that a recent maximum in AE or minimum in Dst provides a better model of the plasmapause radius than does maximum Kp. AE and Dst measure specific current systems (the auroral electrojet and ring current… CONTINUE READING
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