Two sources of dayside intense, quasi‐coherent plasmaspheric hiss: A new mechanism for the slot region?

Two sources of dayside intense, quasi‐coherent plasmaspheric hiss: A new mechanism for the slot region?

A study of dayside plasmaspheric hiss at frequencies from ~22 Hz to ~1.0 kHz was carried out by using 1 year of Polar data. It is shown that intense, dayside plasmaspheric hiss is correlated with solar wind pressure with P > 2.5 nPa. The dayside effect is most prominent in the ~300 to ~650 Hz ran...

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Veröffentlicht in:Journal of geophysical research. Space physics 2017-02, Vol.122 (2), p.1643-1657
Hauptverfasser: Falkowski, Barbara J., Tsurutani, Bruce T., Lakhina, Gurbax S., Pickett, Jolene S.
Format: Artikel
Sprache:eng
Schlagworte:
Coherence
Correlation
Correlation coefficient
Correlation coefficients
dayside plasmaspheric hiss
energetic electron slot
Energetic particles
Geophysical data
Geophysics
Hiss
Injection
Magnetic fields
Magnetosphere
Magnetospheres
Noon
Plasma
Plasma physics
Plasmasphere
plasmaspheric hiss
Precursors
Propagation
solar minimum
Solar wind
solar wind pressure variations
substorms/small injection events
Wave propagation
Wedges
Wind pressure
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Zusammenfassung:A study of dayside plasmaspheric hiss at frequencies from ~22 Hz to ~1.0 kHz was carried out by using 1 year of Polar data. It is shown that intense, dayside plasmaspheric hiss is correlated with solar wind pressure with P > 2.5 nPa. The dayside effect is most prominent in the ~300 to ~650 Hz range. Intense dayside waves are also present during SYM‐H 
ISSN:2169-9380
2169-9402
DOI:10.1002/2016JA023289