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Your search keyword '"Huyghebaert, Devin R."' showing total 2 results
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2 results on '"Huyghebaert, Devin R."'

1. A Characteristic Signature of Magnetospheric Wave-Particle Interactions Found in the Turbulent E-region

Author

Ivarsen, Magnus F, Miyashita, Yukinaga, St-Maurice, Jean-Pierre, Hussey, Glenn C, Pitzel, Brian, Galeschuk, Draven, Marei, Saif, Horne, Richard B, Kasahara, Yoshiya, Matsuda, Shoya, Kasahara, Satoshi, Keika, Kunihiro, Miyoshi, Yoshizumi, Yamamoto, Kazuhiro, Shinbori, Atsuki, Huyghebaert, Devin R, Matsuoka, Ayako, Yokota, Shoichiro, and Tsuchiya, Fuminori

Subjects
Physics - Space Physics, Astrophysics - Earth and Planetary Astrophysics, Physics - Geophysics, Physics - Plasma Physics
Abstract

Electromagnetic waves in the magnetosphere scatter electrons, causing them to precipitate deep into Earth's atmosphere, where they impart their temporal characteristics to diffuse aurorae. Using radar-observations of the ionospheric E-region and satellite observations from the magnetosphere, we demonstrate a close and unprecedented association between enhanced electrostatic cyclotron harmonic wave activity in the magnetosphere and the appearance of meter-scale ionospheric plasma turbulence observed a few seconds later in the lower ionosphere on nearby magnetic field lines., Comment: 10 pages, 6 figures

Published
2025

2. A Parallel-plate Capacitor-Effect in Earth's Dayside Ionosphere

Author

Ivarsen, Magnus F, St-Maurice, Jean-Pierre, Hussey, Glenn C, McWilliams, Kathryn, Jin, Yaqi, Clausen, Lasse B N, Huyghebaert, Devin R, Miyashita, Yukinaga, and Sibeck, David

Subjects
Physics - Space Physics, Astrophysics - Earth and Planetary Astrophysics, Physics - Geophysics
Abstract

During the 23 April 2023 geospace storm, we observed chorus wave-driven energetic particle precipitation on closed magnetic field lines in the dayside magnetosphere. Simultaneously and in the ionosphere's bottom-side, we observed signatures of impact ionization and strong enhancements in the ionospheric electric field strength, via radar-detection of meter-scale turbulence, and with matching temporal characteristics as that of the magnetospheric observations (correlation coefficient = 0.78). During geospace storms, then, turbulent structuring as well as fast electrodynamics in the dayside polar ionosphere can be driven by wave-particle interactions in the magnetosphere., Comment: 8 pages, 4 figures

Published
2025

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