Impulsive and Semi-Regular Azimuthal Flow Oscillations in the Dayside, Equatorial Magnetosphere

Details Impulsive and Semi-Regular Azimuthal Flow Oscillations in the Dayside, Equatorial Magnetosphere Impulsive and Semi-Regular Azimuthal Flow Oscillations in the Dayside, Equatorial Magnetosphere

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsm42a..07m&link_type=abstract

American Geophysical Union, Spring Meeting 2002, abstract #SM42A-07

Physics

2736 Magnetosphere/Ionosphere Interactions, 2740 Magnetospheric Configuration And Dynamics, 2784 Solar Wind/Magnetosphere Interactions

Scientific paper

Since the near-Earth phase of the Geotail mission began in late 1994, the spacecraft has obtained measurements from the dayside equatorial magnetosphere (on approximately 30 orbits each year). We have analyzed the observations from the low energy particle instrument onboard the spacecraft when it is in the dayside inner magnetosphere (distinctly separated from magnetopause boundary crossings). We find that very often (for more than half of these orbits) impulsive or semi-regular plasma flow oscillations are observed in the measurements. Specific characteristics of the oscillations include that they are almost purely azimuthal in nature and that they usually are accompanied by the sporadic appearance in the observations of a cold, dense plasma component. In addition, a number of more detailed case studies have been completed, which show a clear correspondence between the flow oscillations at Geotail and ground based magnetic transient or semi-regular pulsation events. We suggest that the flow oscillations are related to buffeting of the magnetopause though we have not yet been able to identify a consistent signature in the solar wind for the events.

Affiliated with

Also associated with

No associations

Rating

Impulsive and Semi-Regular Azimuthal Flow Oscillations in the Dayside, Equatorial Magnetosphere 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 Impulsive and Semi-Regular Azimuthal Flow Oscillations in the Dayside, Equatorial Magnetosphere, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Impulsive and Semi-Regular Azimuthal Flow Oscillations in the Dayside, Equatorial Magnetosphere will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1725188