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  1. F300 宇宙地球環境研究所
  2. F300a 雑誌掲載論文
  3. 学術雑誌

Study of Spatiotemporal Development of Global Distribution of Magnetospheric ELF/VLF Waves Using Ground‐Based and Satellite Observations, and RAM‐SCB Simulations, for the March and November 2017 Storms

http://hdl.handle.net/2237/0002001608
http://hdl.handle.net/2237/0002001608
81bbc09a-b30d-4f81-85bf-935f4140cd4f
名前 / ファイル ライセンス アクション
2020JA028216.pdf 2020JA028216.pdf (9.6 MB)
Item type itemtype_ver1(1)
公開日 2021-11-12
タイトル
タイトル Study of Spatiotemporal Development of Global Distribution of Magnetospheric ELF/VLF Waves Using Ground‐Based and Satellite Observations, and RAM‐SCB Simulations, for the March and November 2017 Storms
言語 en
著者 Takeshita, Yuhei

× Takeshita, Yuhei

en Takeshita, Yuhei

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Shiokawa, Kazuo

× Shiokawa, Kazuo

en Shiokawa, Kazuo

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Miyoshi, Yoshizumi

× Miyoshi, Yoshizumi

en Miyoshi, Yoshizumi

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Ozaki, Mitsunori

× Ozaki, Mitsunori

en Ozaki, Mitsunori

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Kasahara, Yoshiya

× Kasahara, Yoshiya

en Kasahara, Yoshiya

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Oyama, Shin‐ichiro

× Oyama, Shin‐ichiro

en Oyama, Shin‐ichiro

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Connors, Martin

× Connors, Martin

en Connors, Martin

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Manninen, Jyrki

× Manninen, Jyrki

en Manninen, Jyrki

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Jordanova, Vania K.

× Jordanova, Vania K.

en Jordanova, Vania K.

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Baishev, Dmitry

× Baishev, Dmitry

en Baishev, Dmitry

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Oinats, Alexey

× Oinats, Alexey

en Oinats, Alexey

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Kurkin, Vladimir

× Kurkin, Vladimir

en Kurkin, Vladimir

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2021 American Geophysical Union
内容記述
内容記述 Magnetospheric Extremely Low-Frequency/Very Low-Frequency (ELF/VLF) waves have an important role in the acceleration and loss of energetic electrons in the magnetosphere through wave-particle interaction. It is necessary to understand the spatiotemporal development of magnetospheric ELF/VLF waves to quantitatively estimate this effect of wave-particle interaction, a global process not yet well understood. We investigated spatiotemporal development of magnetospheric ELF/VLF waves using 6 PWING ground-based stations at subauroral latitudes, Exploration of energization and Radiation in Geospace and RBSP satellites, POES/MetOp satellites, and the RAM-SCB model, focusing on the March and November 2017 storms driven by corotating interaction regions in the solar wind. Our results show that the ELF/VLF waves are enhanced over a longitudinal extent from midnight to morning and dayside associated with substorm electron injections. In the main to early storm recovery phase, we observe continuous ELF/VLF waves from ∼0 to ∼12 MLT in the dawn sector. This wide extent seems to be caused by frequent occurrence of substorms. The wave region expands eastward in association with the drift of source electrons injected by substorms from the nightside. We also observed dayside ELF/VLF wave enhancement, possibly driven by magnetospheric compression by solar wind, over an MLT extent of at least 5 h. Ground observations tend not to observe ELF/VLF waves in the post-midnight sector, although other methods clearly show the existence of waves. This is possibly due to Landau damping of the waves, the absence of the plasma density duct structure, and/or enhanced auroral ionization of the ionosphere in the post-midnight sector.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Wiley
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1029/2020JA028216
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 2169-9380
書誌情報 en : Journal of Geophysical Research: Space Physics

巻 126, 号 2, p. e2020JA028216, 発行日 2021-02
ファイル公開日
日付 2021-11-12
日付タイプ Available
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