Ion Interactions in the Magnetospheric Boundary Layer
- Tom Chang,
- M. K. Hudson,
- J. R. Jasperse,
- R. G. Johnson,
- P. M. Kintner and
- M. Schulz
Published Online: 21 MAR 2013
Copyright 1986 by the American Geophysical Union.
Ion Acceleration in the Magnetosphere and Ionosphere
How to Cite
Hultqvist, B., Lundin, R. and Stasiewicz, K. (1986) Ion Interactions in the Magnetospheric Boundary Layer, 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/GM038p0127
- Published Online: 21 MAR 2013
- Published Print: 1 JAN 1986
Print ISBN: 9780875900636
Online ISBN: 9781118664216
- Ion flow dynamics—Congresses;
- Space plasmas—Congresses
New observational results obtained by means of PROGNOZ-7 in the dayside boundary layer of the Earth's magnetophere are described and their interpretations are discussed. The main results are as follows:
1) Magnetosheath plasma elements penetrate into the boundary layer where they act as generators of an electric field.
2) Different ion species may have strongly different flow vectors in the boundary layer.
3) Cold ionospheric ions are accelerated in the generator regions of the boundary layer perpendicularly to the magnetic field lines to the E×B/B2 velocity; i.e. all originally cold ions, independent of mass, obtain the same drift velocity. They also obtain the same thermal velocity.
4) The higher the local magnetospheric plasma density is in the boundary layer the less is the perpendicular velocity difference between the local plasma and the penetrating plasma.