Physics
Scientific paper
Jul 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987jgr....92.7739l&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 92, July 1, 1987, p. 7739-7743.
Physics
66
Earth Magnetosphere, Field Aligned Currents, Ionospheric Currents, Space Plasmas, Daytime, Electric Fields, Magnetic Field Reconnection, Magnetic Fields, Magnetosheath, Radar Data
Scientific paper
A special campaign was conducted at the Sondre Stromfjord incoherent scatter radar facility in October 1985 to study hydromagnetic and atmospheric gravity wave phenomena near the cusp regions of the magnetosphere. During a day when the convection reversal boundary was measured just to the north of the radar, a field-aligned current filament of inferred amplitude of about 200,000 A was measured at the boundary. Both ion and electron heating appeared to accompany the current filament. Magnetic field data acquired in the southern conjugate hemisphere are used to conclude that the current filament was probably on closed field lines, perhaps produced by the injection of magnetosheath plasmoids onto the field lines by a flux transfer-type reconnection process.
Hunsucker Robert D.
Lanzerotti Louis J.
Maclennan Carol G.
Medford L. V.
Wolfe Arthur
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