Large‐amplitude electric fields in the inner magnetosphere: Van Allen Probes observations of subauroral polarization streams

Califf, S.; Li, X.; Wolf, R. A.; Zhao, H.; Jaynes, A. N.; Wilder, F. D.; Malaspina, D. M.; Redmon, R.

doi:10.1002/2015ja022252

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Large‐amplitude electric fields in the inner magnetosphere: Van Allen Probes observations of subauroral polarization streams

2016
By Califf, S. ; Li, X. ; Wolf, R. A. ; ...
Source: Journal of Geophysical Research: Space Physics, 121(6), 5294-5306

[PDF-2.49 MB]

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Journal Title:

Journal of Geophysical Research: Space Physics
Personal Author:

Califf, S. ; Li, X. ; Wolf, R. A. ; Zhao, H. ; Jaynes, A. N. ; ... More +

Califf, S. ; Li, X. ; Wolf, R. A. ; Zhao, H. ; Jaynes, A. N. ; Wilder, F. D. ; Malaspina, D. M. ; Redmon, R. Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) Less -
Description:

The subauroral polarization stream (SAPS) is an important magnetosphere-ionosphere (MI) coupling phenomenon that impacts a range of particle populations in the inner magnetosphere. SAPSstudies often emphasize ionospheric signatures of fast westward ﬂows, but the equatorial magnetosphere is also affected through strong radial electric ﬁelds in the dusk sector. This study focuses on a period of steady southward interplanetary magnetic ﬁeld (IMF) during the 29 June 2013 geomagnetic storm where the Van Allen Probes observe a region of intense electric ﬁelds near the plasmapause over multiple consecutive outbound duskside passes. We show that the large-amplitude electric ﬁelds near the equatorial plane are consistent with SAPS by investigating the relationship between plasma sheet ion and electron boundaries,
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Geophysics Space And Planetary Science
Source:

Journal of Geophysical Research: Space Physics, 121(6), 5294-5306
DOI:

https://doi.org/10.1002/2015ja022252
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2169-9380;2169-9402;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:1846cf26fad86ebba925df340b1fc6c6f2c749dfbbc89af9de7b0669b9bf1b84
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https://repository.library.noaa.gov/view/noaa/52757/noaa_52757_DS1.pdf
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