Hydromagnetic background of the magnetosphere and gyroresonance swinging of a 'giant' Pc 2 wave event

Details Hydromagnetic background of the magnetosphere and gyroresonance swinging of a 'giant' Pc 2 wave event Hydromagnetic background of the magnetosphere and gyroresonance swinging of a 'giant' Pc 2 wave event

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....98.7571a&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. A5, p. 7571-7584.

Other

Earth Magnetosphere, Geomagnetic Micropulsations, Magnetic Resonance, Magnetohydrodynamic Waves, Plasma Oscillations, Electromagnetic Radiation, Fourier Analysis, Spectrum Analysis

Scientific paper

The spectral and temporal characteristics of a 'giant' Pc 2 hydromagnetic wave event of duration of about 110 s have been reanalyzed, as have the electromagnetic oscillations generated in the magnetosphere in an interval of about 45 rain preceding and following the event. The event, which was recorded near local midnight at two midlatitude locations, is, to the best of our knowledge, the largest such wave event reported to date. Previous analyses and interpretation of the event have centered on the bounce resonance generation of this packet of oscillations. The reexamination of the event, as well as other oscillations of the magnetoplasma, has caused us to identify six distinguishable spectral frequency bands which appear to encompass the Pc 2 wave packet and its evolution in time as well as to look at the development of the process as a whole. We present the details of these temporal and spectral studies and provide evidence that the Pc 2 event is probably produced by the gyroresonance swinging: amplification of the oscillatory magnetoplasma background in the frequency band 0.1-0.2 Hz. The analysis suggests that the oscillatory background could be produced by impulselike disturbances.

Affiliated with

Also associated with

No associations

Rating

Hydromagnetic background of the magnetosphere and gyroresonance swinging of a 'giant' Pc 2 wave event does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Hydromagnetic background of the magnetosphere and gyroresonance swinging of a 'giant' Pc 2 wave event, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydromagnetic background of the magnetosphere and gyroresonance swinging of a 'giant' Pc 2 wave event will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1682009