Results 31 to 40 of about 40,348 (289)

Substorm-induced energetic electron precipitation: Morphology and prediction [PDF]

Journal of Geophysical Research: Space Physics, 2015
The injection, and subsequent precipitation, of 20 to 300 keV electrons during substorms is modeled using parameters of a typical substorm found in the literature. When combined with onset timing from, for example, the SuperMAG substorm database, or the Minimal Substorm Model, it may be used to calculate substorm contributions to energetic electron ...
Beharrell, M. J., Honary, F., Rodger, C. J., Clilverd, M. A.   +3 more
openaire   +4 more sources

D-region impact area of energetic electron precipitation during pulsating aurora [PDF]

Annales Geophysicae, 2021
A total of 10 radars from the Super Dual Auroral Radar Network (SuperDARN) in Antarctica were used to estimate the spatial area over which energetic electron precipitation (EEP) impacts the D-region ionosphere during pulsating aurora (PsA) events. We use
E. Bland, F. Tesema, F. Tesema, N. Partamies, N. Partamies   +4 more
doaj   +1 more source

Strong localized variations of the low-altitude energetic electron fluxes in the evening sector near the plasmapause [PDF]

Annales Geophysicae, 1998
Specific type of energetic electron precipitation accompanied by a sharp increase in trapped energetic electron flux are found in the data obtained from low-altitude NOAA satellites.
E. E. Titova, T. A. Yahnina, A. G. Yahnin, B. B. Gvozdevsky, A. A. Lyubchich, V. Y. Trakhtengets, A. G. Demekhov, J. L. Horwitz, F. Lefeuvre, D. Lagoutte, J. Manninen, T. Turunen   +11 more
doaj   +1 more source

Modulation of Energetic Electron Precipitation Driven by Three Types of Whistler Mode Waves

Geophysical Research Letters, 2023
Precipitation into the Earth's atmosphere due to pitch angle scattering by plasma waves has been recognized as one of the major loss mechanisms for energetic electrons.
Xiao‐Chen Shen, Wen Li, Luisa Capannolo, Qianli Ma, Murong Qin, Anton V. Artemyev, Vassilis Angelopoulos, Xiao‐Jia Zhang, Sheng Huang   +8 more
doaj   +1 more source

Secondary electron emission from meteoric smoke particles inside the polar ionosphere [PDF]

Annales Geophysicae, 2016
The charging by secondary electron emission (SEE) from particles is known as a significant charging process in astrophysical plasmas. This work aims at evaluating the significance of SEE for charging of meteoric smoke particles (MSPs) in the Earth's ...
C. Baumann, M. Rapp, M. Rapp, A. Kero
doaj   +1 more source

A quantitative model for cyclotron wave-particle interactions at the plasmapause [PDF]

Annales Geophysicae, 1998
The formation of a zone of energetic electron precipitation by the plasmapause, a region of enhanced plasma density, following energetic particle injection during a magnetic storm, is analyzed.
D. L. Pasmanik, V. Y. Trakhtengerts, A. G. Demekhov, A. A. Lyubchich, E. E. Titova, T. Yahnina, M. J. Rycroft, J. Manninen, T. Turunen   +8 more
doaj   +1 more source

Observations of Radiation Belt Losses Due to Cyclotron Wave-Particle Interactions [PDF]

, 2020
Electron loss to the atmosphere plays a critical role in driving dynamics of the Earths Van Allen radiation belts and slot region. This is a review of atmospheric loss of radiation belt electrons caused by plasma wave scattering via Doppler-shifted ...
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core   +2 more sources

Bursty Energetic Electron Precipitation by High‐Order Resonance With Very‐Oblique Whistler‐Mode Waves

Geophysical Research Letters, 2023
Resonant interactions with whistler‐mode waves are one of the most important drivers for rapid energetic electron precipitation. In this letter, we study a conjunction event, where bursts of energetic electron precipitation (50–800 keV) with timescales ...
Longzhi Gan, Anton Artemyev, Wen Li, Xiao‐Jia Zhang, Qianli Ma, Didier Mourenas, Vassilis Angelopoulos, Ethan Tsai, Colin Wilkins   +8 more
doaj   +1 more source

Atmospheric Response to EEP during Geomagnetic Disturbances

Atmosphere, 2023
Energetic electron precipitation (EEP) is associated with solar activity and space weather and plays an important role in the Earth’s polar atmosphere.
Dmitry Grankin, Irina Mironova, Galina Bazilevskaya, Eugene Rozanov, Tatiana Egorova   +4 more
doaj   +1 more source

Dependence of Energetic Electron Precipitation on the Geomagnetic Index Kp and Electron Energy [PDF]

Journal of Astronomy and Space Sciences, 2013
It has long been known that the magnetospheric particles can precipitate into the atmosphere of the Earth. In this paper we examine such precipitation of energetic electrons using the data obtained from low-altitude polar orbiting satellite ...
Mi-Young Park, Dae-Young Lee, Dae-Kyu Shin, Jung-Hee Cho, Eun-Hee Lee   +4 more
doaj   +1 more source