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- Y. Nishimura
- Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA 90095, USA.
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- J. Bortnik
- Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA 90095, USA.
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- W. Li
- Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA 90095, USA.
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- R. M. Thorne
- Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA 90095, USA.
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- L. R. Lyons
- Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA 90095, USA.
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- V. Angelopoulos
- Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095, USA.
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- S. B. Mende
- Space Sciences Laboratory, University of California, Berkeley, CA 94720–7450, USA.
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- J. W. Bonnell
- Space Sciences Laboratory, University of California, Berkeley, CA 94720–7450, USA.
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- O. Le Contel
- Laboratoire de Physique des Plasmas, CNRS/Ecole Polytechnique/UPMC/Paris-Sud 11, F-94107 St Maur-des-Fossés, France.
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- C. Cully
- Swedish Institute of Space Physics, SE-981 28 Uppsala, Sweden.
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- R. Ergun
- Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80303–7814, USA.
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- U. Auster
- Institut für Geophysik und extraterrestrische Physik, Technischen Universität Braunschweig, Braunschweig D-38106, Germany.
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説明
<jats:title>Auroral Chorus</jats:title> <jats:p> Energetic particles that arrive from near-Earth space produce photon emissions—the aurora—as they bombard the atmosphere in the polar regions. The pulsating aurora, which is characterized by temporal intensity variations, is thought to be caused by modulations in electron precipitation possibly produced by resonance with electromagnetic waves in Earth's magnetosphere. <jats:bold> Nishimura <jats:italic>et al.</jats:italic> </jats:bold> (p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" page="81" related-article-type="in-this-issue" vol="330" xlink:href="10.1126/science.1193186">81</jats:related-article> ) present a detailed study of an event that showed a good correlation between the temporal changes in auroral luminosity and chorus emission—a type of electromagnetic wave occurring in Earth's magnetosphere. The results points to chorus waves as the driver of the pulsating aurora. </jats:p>
収録刊行物
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- Science
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Science 330 (6000), 81-84, 2010-10
American Association for the Advancement of Science (AAAS)