Electron precipitation observed by ELFIN using proton precipitation as a proxy for electromagnetic ion cyclotron (EMIC) waves

L Capannolo, W Li, Q Ma, M Qin… - Geophysical …, 2023‏ - Wiley Online Library
Electromagnetic ion cyclotron (EMIC) waves can drive radiation belt depletion and Low‐
Earth Orbit satellites can detect the resulting electron and proton precipitation. The ELFIN …

On the spatial and temporal evolution of EMIC wave‐driven relativistic electron precipitation: Magnetically conjugate observations from the Van Allen Probes and …

LW Blum, A Bruno, L Capannolo, Q Ma… - Geophysical …, 2024‏ - Wiley Online Library
Electromagnetic ion cyclotron (EMIC) waves have been shown to be able to drive strong
electron precipitation, particularly at MeV energies. However, the spatio‐temporal evolution …

Modeling the simultaneous dropout of energetic electrons and protons by magnetopause shadowing

X Lyu, W Tu, J Huang, Q Ma… - Geophysical Research …, 2024‏ - Wiley Online Library
Magnetopause shadowing (MPS) effect could drive a concurrent dropout of radiation belt
electrons and ring current protons. However, its relative role in the dropout of both plasma …

Modeling the effects of drift orbit bifurcation on the magnetopause shadowing loss of radiation belt electrons

J Huang, X Lyu, W Tu, JM Albert… - Geophysical Research …, 2023‏ - Wiley Online Library
Last closed drift shell (LCDS) has been identified as a crucial parameter for investigating the
magnetopause shadowing loss of radiation belt electrons. However, drift orbit bifurcation …

[HTML][HTML] Full-wave modeling of EMIC wave packets: ducted propagation and reflected waves

M Hanzelka, W Li, Q Ma, M Qin, XC Shen… - Frontiers in Astronomy …, 2023‏ - frontiersin.org
Electromagnetic ion cyclotron (EMIC) waves can scatter radiation belt electrons with
energies of a few hundred keV and higher. To accurately predict this scattering and the …

Special particle precipitation signatures over giant auroral undulations during the 7 September 2015 geomagnetic storm

YJ Zhou, F He, XX Zhang, YL Zhang… - Geophysical …, 2024‏ - Wiley Online Library
Giant undulations (GUs) have been well established to be the optical manifestation of the
plasmapause surface wave (PSW) where the wave‐particle interactions provide particle …

Dependence of electron flux dropouts in the Earth's outer radiation belt on energy and driving parameters during geomagnetic storms

M Hua, J Bortnik, D Ma - Journal of Geophysical Research …, 2023‏ - Wiley Online Library
Using 5‐year of measurements from Van Allen Probes, we present a survey of the statistical
dependence of the Earth's outer radiation belt electron flux dropouts during geomagnetic …

On the physical mechanisms driving the different deep penetration of radiation belt electrons and protons

Y Mei, X Li, H Zhao, Z **ang, B Hogan… - Journal of …, 2024‏ - Wiley Online Library
During active geomagnetic periods both electrons and protons in the outer radiation belt
have been frequently observed to penetrate to low L (< 4). Previous studies have …

Sub‐MeV electron precipitation driven by EMIC waves through nonlinear fractional resonances

M Hanzelka, W Li, M Qin, L Capannolo… - Geophysical …, 2024‏ - Wiley Online Library
Electromagnetic ion cyclotron waves in the Earth's outer radiation belt drive rapid electron
losses through wave‐particle interactions. The precipitating electron flux can be high in the …

Unraveling the atmospheric energy input and ionization due to EMIC‐driven electron precipitation from ELFIN observations

L Capannolo, R Marshall, W Li, G Berland… - AGU …, 2024‏ - Wiley Online Library
Energetic electron precipitation (EEP) from the radiation belts into Earth's atmosphere leads
to several profound effects (eg, enhancement of ionospheric conductivity, possible …