Accurately characterising the importance of wave-particle interactions in radiation belt dynamics: the pitfalls of statistical wave representations

Kyle R. Murphy, Ian R. Mann, I. Jonathan Rae, David G. Sibeck, Clare E. J. Watt

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)
2 Downloads (Pure)

Abstract

Wave-particle interactions play a crucial role in energetic particle dynamics in the Earth's radiation belts. However the relative importance of different wave-modes in these dynamics is poorly understood. Typically this is assessed during geomagnetic storms using statistically averaged empirical wave models as a function of geomagnetic activity in advanced radiation belt simulations. However statistical averages poorly characterise extreme events such as geomagnetic storms in that storm-time ULF wave power is typically larger than that derived over a solar cycle and Kp is a poor proxy for storm-time wave power.
Original languageEnglish
Pages (from-to)7895-7899
Number of pages5
JournalJournal of Geophysical Research
Volume121
Issue number8
DOIs
Publication statusPublished - 1 Aug 2016

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