Substorm-associated long-period hydromagnetic waves

Details Substorm-associated long-period hydromagnetic waves Substorm-associated long-period hydromagnetic waves

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82.2867w&link_type=abstract

Journal of Geophysical Research, vol. 82, July 1, 1977, p. 2867-2874.

Physics

Magnetohydrodynamic Waves, Magnetospheric Instability, Polar Substorms, Latitude, Lines Of Force, Magnetic Signatures, Midlatitude Atmosphere, Oscillations, Polarization Characteristics, Power Spectra

Scientific paper

The analysis of magnetograms recorded at stations extending from northern to southern hemispheres in a longitudinal range of about 115 deg has shown the existence of long-period (over 30 min) hydromagnetic waves at middle- and low-latitude stations prior to and/or simultaneous with the polar substorm. The amplitude of the wave is about 10-30 gamma. The most interesting feature of these long-period hydromagnetic waves appears to be the latitude independence of their eigenperiods. The simultaneous appearance of these waves at all low- and middle-latitude stations in both hemispheres suggests that the oscillations of magnetic field lines in the plasmasphere are coupled. An analysis of the polarization of the waves has revealed two kinds of plasmaspheric oscillations: an even mode oscillation prior to the polar substorm and an odd mode oscillation during the substorm.

Affiliated with

Also associated with

No associations

Rating

Substorm-associated long-period hydromagnetic waves 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 Substorm-associated long-period hydromagnetic waves, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Substorm-associated long-period hydromagnetic waves will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1561190