Zobrazeno 1 - 10
of 235
pro vyhledávání: '"A. Shumko"'
Autor:
Zhang, Xiao-Jia, Artemyev, Anton V., Li, Xinlin, Arnold, Harry, Angelopoulos, Vassilis, Turner, Drew L., Shumko, Mykhaylo, Runov, Andrei, Mei, Yang, Xiang, Zheng
Earth's magnetotail, a night-side region characterized by stretched magnetic field lines and strong plasma currents, is the primary site for the release of magnetic field energy and its transformation into plasma heating and kinetic energy plus charg
Externí odkaz:
http://arxiv.org/abs/2408.17299
Microbursts are short duration intensifications in precipitating electron flux that are believed to be a significant contributor to electron losses in the magnetosphere. Microbursts have been observed in the form of bouncing electron packets, which o
Externí odkaz:
http://arxiv.org/abs/2312.03955
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-9 (2024)
Abstract The Earth’s radiation belts are maintained by a number of acceleration, loss and transport mechanisms, and the electron fluxes at any given time are highly variable. Microbursts, which are rapid (sub-second) bursts of energetic electrons e
Externí odkaz:
https://doaj.org/article/db0ae054ad6e4d20a6c746653c3d2eb5
Autor:
K. A. Sorathia, M. Shumko, A. Sciola, A. Michael, V. G. Merkin, B. Gallardo‐Lacourt, M. G. Henderson, D. Lin, S. Bao, J. Garretson, A. Y. Ukhorskiy
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 16, Pp n/a-n/a (2024)
Abstract We present the first global geospace simulation to reproduce auroral giant undulations (GUs). To identify their magnetospheric drivers, we employ the MAGE (Multiscale Atmosphere‐Geospace Environment) model in a case study of a geomagnetic
Externí odkaz:
https://doaj.org/article/edc1fff38b3844b8a70a640d51ba49bc
Autor:
T. Namekawa, T. Mitani, K. Asamura, Y. Miyoshi, K. Hosokawa, M. Lessard, C. Moser, A. J. Halford, T. Sakanoi, M. Kawamura, M. Nose, R. Nomura, M. Teramoto, M. Shumko, K. A. Lynch, A. N. Jaynes, M. G. McHarg
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 24, Pp n/a-n/a (2023)
Abstract We have identified for the first time an energy‐time dispersion of precipitating electron flux in a pulsating aurora patch, ranging from 6.7 to 580 keV, through simultaneous in‐situ observations of sub‐relativistic electrons of microbu
Externí odkaz:
https://doaj.org/article/c17e4949ea2b4a80b06a971d703a827c
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 22, Pp n/a-n/a (2023)
Abstract Here we examine properties of MeV electron microbursts to better understand their generation mechanisms. Using 15 years of data from Solar, Anomalous, Magnetospheric Particles Explorer/Heavy Ion Large Telescope, >1 MeV microburst repetition
Externí odkaz:
https://doaj.org/article/8bb5014ba90c46a79727a18721b6d4ba
Akademický článek
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Akademický článek
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Autor:
M. Shumko, Y. Miyoshi, L. W. Blum, A. J. Halford, A. W. Breneman, A. T. Johnson, J. G. Sample, D. M. Klumpar, H. E. Spence
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 15, Pp n/a-n/a (2023)
Abstract Interactions between whistler mode chorus waves and electrons are a dominant mechanism for particle acceleration and loss in the outer radiation belt. One form of this loss is electron microburst precipitation: a sub‐second intense burst o
Externí odkaz:
https://doaj.org/article/03669e4043d04c9c88695a841d8cc4c7
Autor:
Palle, E, Goode, PR, Montanes-Rodriguez, P Pilar, Shumko, A, Gonzalez-Merino, B, Lombilla, C Martinez, Jimenez-Ibarra, F, Shumko, S, Sanroma, E, Hulist, A, Miles-Paez, P, Murgas, F, Nowak, G, Koonin, SE
The Earth's albedo is a fundamental climate parameter for understanding the radiation budget of the atmosphere. It has been traditionally measured from space platforms, but also from the ground for sixteen years from Big Bear Solar Observatory by obs
Externí odkaz:
http://arxiv.org/abs/1604.05880