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  1. 学術雑誌論文

Impact of lithium releases on ionospheric electron density observed by impedance probe during WIND campaign

http://hdl.handle.net/10173/792
http://hdl.handle.net/10173/792
6408fc24-edad-42a5-ba74-0da1be1caa79
名前 / ファイル ライセンス アクション
EPS_62_7_589.pdf EPS_62_7_589.pdf (810.6 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2012-03-01
タイトル
タイトル Impact of lithium releases on ionospheric electron density observed by impedance probe during WIND campaign
言語
言語 eng
キーワード
主題Scheme Other
主題 Ionosphere
キーワード
主題Scheme Other
主題 impedance probe
キーワード
主題Scheme Other
主題 electron density
キーワード
主題Scheme Other
主題 chemical releas
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 Uemoto, Jyunpei

× Uemoto, Jyunpei

Uemoto, Jyunpei

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Ono, Takayuki

× Ono, Takayuki

Ono, Takayuki

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Yamada, Tomohisa

× Yamada, Tomohisa

Yamada, Tomohisa

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Suzuki, Tomonori

× Suzuki, Tomonori

Suzuki, Tomonori

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Yamamoto, Masa-Yuki

× Yamamoto, Masa-Yuki

Yamamoto, Masa-Yuki

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Watanabe, Shigeto

× Watanabe, Shigeto

Watanabe, Shigeto

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Kumamoto, Atsush

× Kumamoto, Atsush

Kumamoto, Atsush

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Iizima, Masahide

× Iizima, Masahide

Iizima, Masahide

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抄録
内容記述タイプ Abstract
内容記述 This paper presents direct observation of the impact of the lithium releases on the ionospheric electron density during the WIND (wind measurement for ionized and neutral atmospheric dynamics study) campaign conducted on 2 September 2007 in Japan. The direct observation is unique in that the electron density enhancement was observed by using the NEI (number density of electrons by impedance probe) which can measure accurately the absolute value of the electron density, and the distance between the NEI and the LES (lithium ejection system) was very close (several tens of meters). Data analyses of the NEI on-board the sounding rocket S-520-23, which was launched from Uchinoura (31.3°N, 131.1°E) at 19:20 JST (JST = UT + 9 h), clarifies that lithium releases performed in the descending phase increased the electron density up to approximately 7 × 10^5 cm^-3. A simple model calculation performed under the assumption that the increased electron density equals the photoionized lithium ion density indicates that the observed electron density enhancements cannot be explained by considering each lithium release as an instantaneous one, but rather by considering a convolution of very short-time intermittent releases. The model calculation is verified by comparison with the observation of the lithium resonance scattering light from the ground.
Key words: Ionosphere, impedance probe, electron density, chemical release.
書誌情報 Earth, Planets and Space

巻 62, 号 7, p. 589-597, 発行日 2010-07-01
ISSN
収録物識別子タイプ ISSN
収録物識別子 1343-8832
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11211921
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 10.5047/eps.2010.D7.001
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 Terra Scientific Publishing Company
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