Global morphology and spectral properties of EMIC waves derived from CRRES observations

Gyroresonant wave‐particle interactions with electromagnetic ion cyclotron (EMIC) waves are a potentially important loss process for relativistic electrons in the Earth's radiation belts. Here we perform a statistical analysis of the EMIC waves observed by the Combined Release and Radiation Eff...

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Bibliographic Details
Published in:Journal of geophysical research. Space physics 2014-07, Vol.119 (7), p.5328-5342
Main Authors: Meredith, Nigel P., Horne, Richard B., Kersten, Tobias, Fraser, Brian J., Grew, Russell S.
Format: Article
Language:English
Subjects:
Diffusion
Dynamic mechanical properties
Dynamic tests
Earth
EMIC waves
Helium
Hydrogen
Morphology
Radiation belts
Relativism
Spectra
Statistical analysis
Waves
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Summary:Gyroresonant wave‐particle interactions with electromagnetic ion cyclotron (EMIC) waves are a potentially important loss process for relativistic electrons in the Earth's radiation belts. Here we perform a statistical analysis of the EMIC waves observed by the Combined Release and Radiation Effects Satellite (CRRES) to determine the global morphology and spectral properties of the waves and to help assess their role in radiation belt dynamics. Helium band EMIC waves, with intensities, Bw2, greater than 0.1 nT2, are most prevalent during active conditions (AE> 300 nT), from 4
ISSN:2169-9380
2169-9402
DOI:10.1002/2014JA020064