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s40623-015-0190-6.pdf | 1.82 MB | Adobe PDF | 見る/開く |
タイトル: | Compound auroral micromorphology: Ground-based high-speed imaging |
著者: | Kataoka, Ryuho Fukuda, Yoko Miyoshi, Yoshizumi Miyahara, Hiroko Itoya, Satoru Ebihara, Yusuke https://orcid.org/0000-0002-2293-1557 (unconfirmed) Hampton, Donald Dahlgren, Hanna Whiter, Daniel Ivchenko, Nickolay |
著者名の別形: | 海老原, 祐輔 |
キーワード: | Aurora Magnetosphere-ionosphere coupling Wave-particle interaction |
発行日: | 15-Feb-2015 |
出版者: | SpringerOpen |
誌名: | Earth, Planets and Space |
巻: | 67 |
論文番号: | 23 |
抄録: | Auroral microphysics still remains partly unexplored. Cutting-edge ground-based optical observations using scientific complementary metal-oxide semiconductor (sCMOS) cameras recently enabled us to observe the fine-scale morphology of bright aurora at magnetic zenith for a variety of rapidly varying features for long uninterrupted periods. We report two interesting examples of combinations of fine-scale rapidly varying auroral features as observed by the sCMOS cameras installed at Poker Flat Research Range (PFRR), Alaska, in February 2014. The first example shows that flickering rays and pulsating modulation simultaneously appeared at the middle of a surge in the pre-midnight sector. The second example shows localized flickering aurora associated with growing eddies at the poleward edge of an arc in the midnight sector. |
著作権等: | © Kataoka et al.; licensee Springer. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. |
URI: | http://hdl.handle.net/2433/212425 |
DOI(出版社版): | 10.1186/s40623-015-0190-6 |
出現コレクション: | 学術雑誌掲載論文等 |
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