Physics
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jgra..11205214l&link_type=abstract
Journal of Geophysical Research, Volume 112, Issue A5, CiteID A05214
Physics
5
Magnetospheric Physics: Energetic Particles: Precipitating, Magnetospheric Physics: Substorms, Magnetospheric Physics: Auroral Phenomena (2407), Magnetospheric Physics: Magnetospheric Configuration And Dynamics
Scientific paper
The importance of monitoring particle injection into the inner magnetosphere from the plasma sheet is exceeded perhaps only by its difficulty. The recent progress in using ground-based riometer data [e.g., Spanswick et al., 2007] to detect by proxy particle injection has raised much hope that this important aspect of substorms can be more consistently monitored. In this paper we develop a theoretical model for explaining the observed dispersionless injection events reported by Spanswick et al. The substorm event on 3 October 1998 is analyzed to give the empirical context for riometer responses during a typical substorm. Our simulation shows that riometer electrons produce a clean and strong signal that can be uniquely and easily related to magnetic field dipolarization that normally gives rise to injection.
Donovan Eric F.
Liang Jian-Jie
Liu Wende
Spanswick Emma
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