 |
| Titel |
Initial Results from the CRRES/MICS Empirical Model of Ion Plasma in the Inner Magnetosphere |
| VerfasserIn |
Seth Claudepierre, James Roeder, Margaret Chen, Colby Lemon, Timothy Guild |
| Konferenz |
EGU General Assembly 2013
|
| Medientyp |
Artikel
|
| Sprache |
Englisch
|
| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 15 (2013) |
| Datensatznummer |
250074882
|
|
|
|
|
|
| Zusammenfassung |
| We present initial results from a recently developed empirical model of low energy ion plasma (~1-300 keV/e) in the inner magnetosphere. This model is constructed from data taken by the Magnetospheric Ion Composition Spectrometer (MICS) on-board the Combined Release and Radiation Effects Satellite (CRRES). The model has been constructed in a similar fashion to the Roeder et al., [2005] CAMMICE/MICS model, which used NASA Polar satellite data. The orbital differences between CRRES (GTO) and Polar (highly-inclined polar orbit) result in each spacecraft sampling different portions of the ion pitch-angle distributions. Such models can be used to estimate the average flux for major ion species (e.g. H+, He+, He++, O+) along any orbit in the inner magnetosphere. To construct this new model, CRRES/MICS ion fluxes were computed and sorted into bins of magnetic coordinates L, MLT, MLAT, equatorial pitch-angle and activity indices. Preliminary comparisons are made between the CAMMICE/MICS and CRRES/MICS models, highlighting the strengths and limitations of both. We also consider the average O+ ion flux deduced from the model in various spatial and activity ranges and qualitatively compare with what is to be expected from O+ ion transport and loss processes. |
|
|
|
|
|
|