Physics
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....9312795e&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Nov. 1, 1988, p. 12795-12816.
Physics
25
Extremely Low Radio Frequencies, Geomagnetic Pulsations, Light Ions, Magnetic Equator, Energetic Particles, Hydrogen Ions, Magnetohydrodynamic Waves, Plasma Density, Pulse Amplitude
Scientific paper
This paper analyzes observations, made by particle and field instruments on the AMPTE CCE satellite, of intense ULF pulsations in the earth's magnetosphere near the geomagnetic equator. These pulsations were observed during magnetically quiet periods in regions characterized by intense fluxes of warm strongly trapped light ions, predominantly H(+), and often with streaming low-energy plasma. The strong latitudinal localization of these pulsations is interpreted to be due to equatorial mass loading or to partial reflection of Alfven wave energy by latitudinal gradients in plasma density. Possible sources of wave energy for these events are discussed.
Acuña Mario Humberto
Engebretson Mark J.
Klumpar D. M.
Potemra Thomas A.
Strangeway Robert J.
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