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Atmospheric modes excited by the 2021 August eruption of the Fukutoku-Okanoba volcano, Izu–Bonin Arc, observed as harmonic TEC oscillations by QZSS
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| Title: | Atmospheric modes excited by the 2021 August eruption of the Fukutoku-Okanoba volcano, Izu–Bonin Arc, observed as harmonic TEC oscillations by QZSS |
| Authors: | Heki, Kosuke Browse this author →KAKEN DB | | Fujimoto, Tatsuya Browse this author |
| Keywords: | QZSS | | GNSS | | Ionospheric disturbance | | Total electron content | | Fukutoku-Okanoba | | Plinian eruption | | Atmospheric mode |
| Issue Date: | 9-Feb-2022 |
| Publisher: | Springer |
| Journal Title: | Earth, Planets and Space |
| Volume: | 74 |
| Issue: | 1 |
| Start Page: | 27 |
| Publisher DOI: | 10.1186/s40623-022-01587-5 |
| Abstract: | Continuous Plinian eruptions of volcanoes often excite atmospheric resonant oscillations with several distinct periods of a few minutes. We detected such harmonic oscillations by the 2021 August eruption of the Fukutoku-Okanoba volcano, a submarine volcano in the Izu–Bonin arc, in ionospheric total electron content (TEC) observed from Global Navigation Satellite System (GNSS) stations deployed on three nearby islands, Chichijima, Hahajima, and Iwojima. Continuous records with the geostationary satellite of Quasi-Zenith Satellite System (QZSS) presented four frequency peaks of such atmospheric modes. The harmonic TEC oscillations commenced at ~ 5:16 UT with a large amplitude but decayed in a few hours. |
| Rights: | https://creativecommons.org/licenses/by/4.0/ |
| Type: | article |
| URI: | http://hdl.handle.net/2115/90340 |
| Appears in Collections: | 理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 日置 幸介
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