Other
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsm42b..03r&link_type=abstract
American Geophysical Union, Spring Meeting 2002, abstract #SM42B-03
Other
2778 Ring Current, 2788 Storms And Substorms
Scientific paper
We will evaluate the relative importance of various ring current loss processes during the recovery phase of the March 31, 2001 geomagnetic storm. This large storm had a minimum Dst of -358 nT. The IMAGE/HENA instrument provided global images of the Earth's ring current for H+ and O+ by energy from less than 50 keV to approximately 200 keV over four days of the storm's recovery phase. Observations from polar apogee passes provide ENA fluxes as a function of radial distance, local time, and energy. The observed ENA intensity decay rates will be compared to expected charge exchange loss rates at the appropriate radial distance and energy. Where the charge exchange mechanism does not account for observed loss rates, other processes will be examined.
C:son Brandt Pontus
Hamilton Douglas C.
Mitchell Donald G.
Retterer Kyle C.
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