Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsm43b..02f&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SM43B-02
Physics
2788 Magnetic Storms And Substorms (7954), 7845 Particle Acceleration, 7984 Space Radiation Environment
Scientific paper
Energetic electron observations from HEO and SAMPEX satellites were used to study the electron response to several magnetic storms in the inner magnetosphere during 1998 through 2004 with emphasis on the post storm flux decays. The observations cover L values in the range 1.75 < L < 6. In addition, the HEO3 observations of the post-storm electron flux decays were examined for all storms in the 1998-2001 period to obtain the e-folding decay times at L = 3, near the peak of the outer zone. The >1.5 MeV electron fluxes were found to have three distinct 1/e decay times of about 5, 10.5, and 17.5 days. The 5 and 10.5 day e- folding times occurred in the first several days after the post-storm fluxes peaked during 2000-2001 and 1998 periods, respectively. The longer e-folding times occurred late in the decay history. The flux decay times obtained from SAMPEX and HEO3 for a subset of the storms compared relatively well but the HEO3 energy that compared best (>630 keV) was lower than expected. The energy dependence of the decay times was examined for the HEO3 data. The >630 keV electron decay times compared well with those of the >450 keV and >1.5 MeV electrons for 2.75 < L < 4. The >3 MeV decay times were longer than those at lower energies. The times for the post main phase flux enhancements as a function of L will also be presented. At times, the >3 MeV enhancements at lower L values, could be delayed several days relative to those at lower energies. The enhancement and decay time frames will be discussed in terms of the transport and loss processes.
Fennell Joseph F.
Kanekal S.
O'Brien Thomas P.
Roeder James L.
No associations
LandOfFree
Post Storm Energetic Electron Flux Enhancement and Decay does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Post Storm Energetic Electron Flux Enhancement and Decay, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Post Storm Energetic Electron Flux Enhancement and Decay will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1097967