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Statistics of Magnetosonic Waves in the Slot Region Observed by Van Allen Probes

Abstract We perform a statistical analysis of magnetosonic waves in the slot region based on Van Allen Probes observations from September 2012 to February 2018. Our results demonstrate that the wave occurrence rate increases with enhanced geomagnetic activity and decreasing magnetic latitude, with the presence of strongest slot region magnetosonic waves near the geomagnetic equator within the 08-20 MLT sector. Power spectral densities of slot region magnetosonic waves also intensify during geomagnetically active times, with ...

Yan, Ling; Cao, Xing; Hua, Man; Ni, Binbin; Zhang, Yuannong;

YEAR: 2021     DOI:

magnetosonic waves; Slot region; Statistical distribution; Van Allen Probes


Statistical Distribution of Bifurcation of Earth s Inner Energetic Electron Belt at tens of keV

We present a survey of the bifurcation of the Earth s energetic electron belt (tens of keV) using 6-year measurements from Van Allen Probes. The inner energetic electron belt usually presents one-peak radial structure with high flux intensity at L < ∼2.5, which however can be bifurcated to exhibit a double-peak radial structure. By automatically identifying the events of bifurcation based on RBSPICE data, we find that the bifurcation is mostly observed at ∼30–100 keV with a local flux minimum at L=∼2.0–∼2.3 under ...

Hua, Man; Ni, Binbin; Li, Wen; Ma, Qianli; Gu, Xudong; Fu, Song; Cao, Xing; Guo, YingJie; Liu, Yangxizi;

YEAR: 2020     DOI:

Inner electron radiation belt; Flux bifurcation; VLF transmitter waves; Statistical distribution; Van Allen Probes