Physics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsm11b0319l&link_type=abstract
American Geophysical Union, Fall Meeting 2006, abstract #SM11B-0319
Physics
2730 Magnetosphere: Inner, 2736 Magnetosphere/Ionosphere Interactions (2431), 2740 Magnetospheric Configuration And Dynamics, 2768 Plasmasphere
Scientific paper
Inverted data from the IMAGE EUV plasmaspheric imager allows the dynamics of the inner plasmasphere to be viewed on a global scale. The inverted data consists of a global equatorial He+ density map of the plasmasphere. Most previous work has focused on the plasmapause boundary region dynamics without looking inside the plasmasphere. Study of several series of plasmaspheric images show co-rotating regions of depleted density as compared to the surroundings. These regions are radial features extending from the plasmapause several Re Earthward. The regions are highly localized in MLT suggesting a narrow creation mechanism. The study of these features attempts to provide an explanation of the features creation mechanics. These long lived features also serve as an excellent region to calculate plasmaspheric refilling rates. The refilling rates provide clues to whether the feature is created and simply decays away or is created and sustained.
Gurgiolo Chris
Klumpar D. M.
Larsen B. A.
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