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Filters: Keyword is Pc1 pearl pulsations  [Clear All Filters]
2016
Authors: Paulson K. W., Smith C W, Lessard M. R., Torbert R B, Kletzing C A, et al.
Title: In situ statistical observations of Pc1 pearl pulsations and unstructured EMIC waves by the Van Allen Probes
Abstract: We present here the first in situ statistical survey of structured Pc1 pearl pulsations compared with unstructured electromagnetic ion cyclotron (EMIC) waves observed by the Van Allen Probes spacecraft. This data set was compiled from observations spanning 8 September 2012 through 31 August 2015 and comprises over 1630 h of total EMIC wave activity, of which 291 h exhibited pearl structure. Additionally, we have identified 29 wave events demonstrating periodically oscillating wave packets, mostly about the magnetic equator, indicated by the reversal of Poynting flux along the background magnetic field. We have found several stark differences between Pc1 pearl pulsations and unstructured EMIC waves. While unstructured EMIC waves demonstrate the predicted behavior of a higher occurrence acro. . .
Date: 12/2016 Publisher: Journal of Geophysical Research: Space Physics DOI: 10.1002/2016JA023160 Available at: http://onlinelibrary.wiley.com/doi/10.1002/2016JA023160/full
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