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Plasmaspheric hiss intensity variations during magnetic stormsThe storm time intensity variations of ELF electromagnetic emissions have been studied by using the Ogo 6 search coil magnetometer. Low-latitude signals exhibit a sharp low-frequency cutoff and are identified as plasmaspheric hiss. Such waves show pronounced intensification during the recovery phase of magnetic storms but remain close to background levels during the storm main phase. This behavior is consistent with cyclotron resonant generation within the plasmasphere as the latter expands into the intensified belt of outer zone electrons during the storm recovery.
Document ID
19740051288
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Smith, E. J.
Frandsen, A. M. A.
Tsurutani, B. T.
(California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States)
Thorne, R. M.
Chan, K. W.
(California, University Los Angeles, Calif., United States)
Date Acquired
August 7, 2013
Publication Date
June 1, 1974
Publication Information
Publication: Journal of Geophysical Research
Volume: 79
Subject Category
Geophysics
Report/Patent Number
NSSDC-ID-69-051A-22-PM
Accession Number
74A34038
Funding Number(s)
CONTRACT_GRANT: NAS7-100
CONTRACT_GRANT: NSF GA-34148
Distribution Limits
Public
Copyright
Other

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