ISEE 1 and Geotail observations of low‐frequency waves at the magnetopause
- 1 July 1995
- journal article
- Published by American Geophysical Union (AGU) in Journal of Geophysical Research
- Vol. 100 (A7) , 11823-11829
- https://doi.org/10.1029/94ja03146
Abstract
Observations of waves at frequencies below ∼200 Hz obtained near the magnetopause are presented. For one case identified in the ISEE 1 data as a period when steady state reconnection was occurring, there were waves below the lower hybrid frequency with amplitudes up to ∼7 mV/m. Intense low‐frequency waves with amplitudes up to ∼20 mV/m at the subsolar magnetopause have also been observed by the Geotail electric field instrument. In some cases, large spiky fields were embedded in the waves. The waves observed by ISEE 1 and Geotail were large enough to provide the dissipation required for reconnection to occur.Keywords
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