Storm Time Production of Ring Current Ions: Energization, Injection, and Trapping of Ionospheric H+ versus O+

Details Storm Time Production of Ring Current Ions: Energization, Injection, and Trapping of Ionospheric H+ versus O+ Storm Time Production of Ring Current Ions: Energization, Injection, and Trapping of Ionospheric H+ versus O+

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsm22a..09c&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SM22A-09

Physics

Plasma Physics

[7807] Space Plasma Physics / Charged Particle Motion And Acceleration, [7845] Space Plasma Physics / Particle Acceleration, [7954] Space Weather / Magnetic Storms

Scientific paper

The rapid injection of energetic particles in the inner magnetosphere and the associated acceleration is a ubiquitous characteristic of magnetospheric storms and substorms. Recent single particle tracking results using high resolution global electric and magnetic field have demonstrated that injection fronts during substorms can be created by earthward moving flux ropes. In this paper we investigate whether related processes are important for storms or whether reconfiguration of the tail produced by external variations in the solar wind conditions is the predominant mechanism for the injection of energetic particles into the inner magnetosphere. For this study we model the March 10, 1998 storm event, which includes two rotations of IMF Bz, and a large IMF By component, allowing for investigation into the impact of solar wind IMF rotations on the acceleration, injection, and trapping of ring current ions and the relative roles of H+ and O+.

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