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Van Allen Probes Bibliography is from August 2012 through September 2021
Found 4 entries in the Bibliography.
Showing entries from 1 through 4
Abstract The inner magnetosphere including the radiation belt environment is replete with quasi-electrostatic fluctuations with peak frequency in the upper-hybrid frequency range. Some examples are demonstrated with the Van Allen Probe spacecraft data. These features have recently been explained in the framework of spontaneously emitted thermal noise theory. Such an environment is also characterized by quasi-isotropic population of energized electrons, which naturally leads one to ask whether these electrons and the upper-hy ...
Published by: Journal of Geophysical Research: Space Physics Published on: 03/2020
YEAR: 2020   DOI: 10.1029/2019JA027748
Using Van Allen Probes\textquoteright observations and established plasmapause location (Lpp) models, we investigate the relationship between the location of the initial enhancement (IE) of energetic electrons and the innermost (among all magnetic local time sectors) Lpp over five intense storm periods. Our study reveals that the IE events for 30 keV to 2MeV electrons always occurred outside of the innermost Lpp. On average, the inner extent of the IE events (LIE) for <800 keV electrons was closer to the innermost Lpp when c ...
Published by: Journal of Geophysical Research: Space Physics Published on: 10/2018
YEAR: 2018   DOI: 10.1029/2018JA026074
During the 13-14 November 2012 storm, Van Allen Probe A simultaneously observed a 10-h period of enhanced chorus (including quasi-parallel and oblique propagation components) and relativistic electron fluxes over a broad range of L = 3-6 and MLT=2 - 10 within a complete orbit cycle. By adopting a Gaussian fit to the observed wave spectra, we obtain the wave parameters and calculate the bounce-averaged diffusion coefficients. We solve the Fokker-Planck diffusion equation to simulate flux evolutions of relativistic (1.8-4.2 Me ...
Published by: Geophysical Research Letters Published on: 02/2018
YEAR: 2018   DOI: 10.1002/2017GL075894
Resonant pitch angle scattering by plasmaspheric hiss has long been considered to be responsible for the energetic electron loss in the slot region, but the detailed quantitative comparison between theory and observations is still lacking. Here we focus on the loss of 100\textendash600 keV electrons at L = 3 during the recovery phase of a geomagnetic storm on 28 June 2013. Van Allen Probes data showed the concurrence of intense (with power up to 10-4 nT2/Hz) plasmaspheric hiss waves and significant (up to 1 order) loss of en ...
Published by: Journal of Geophysical Research: Space Physics Published on: 09/2016
YEAR: 2016   DOI: 10.1002/2016JA023087