Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsm43c..03f&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SM43C-03
Physics
[2730] Magnetospheric Physics / Magnetosphere: Inner, [2772] Magnetospheric Physics / Plasma Waves And Instabilities, [2774] Magnetospheric Physics / Radiation Belts, [2778] Magnetospheric Physics / Ring Current
Scientific paper
Electromagnetic ion cyclotron (EMIC) waves play an important role in contributing to localized ring ion current loss during geomagnetic storms, and radiation belt MeV electron losses. It is therefore important to understand the magnetospheric conditions under which EMIC waves are generated and propagate. Recent GOES and POLAR satellite observations show EMIC waves are associated with extended plasma drainage plumes in the plasmasphere and magnetosphere. The properties of EMIC waves seen by the fluxgate magnetometer onboard the CRRES elliptically orbiting satellite will be presented with emphasis on the relationship between EMIC waves and associated plasma drainage plumes observed in the CRRES plasma wave experiment electron density data and LANL satellite thermal energy plasma data. In particular wave generation by ring current ions and cold plasma propagation mechanisms by which Pc5 mixed mode ULF waves may modulate EMIC waves will be considered in detail.
Anderson Rachel
Fraser Brian J.
Grew R.
Singer Howard J.
Thomsen Michelle F.
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