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Characteristics of Pc 3 magnetic pulsations in conjugate area around L=1.3-2.1
https://doi.org/10.15094/00004042
https://doi.org/10.15094/0000404248ed7d67-c1c9-4d09-9e53-d8f255e756e6
名前 / ファイル | ライセンス | アクション |
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KJ00000035888 (2.7 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1988-02-01 | |||||
タイトル | ||||||
タイトル | Characteristics of Pc 3 magnetic pulsations in conjugate area around L=1.3-2.1 | |||||
言語 | ||||||
言語 | eng | |||||
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 | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00004042 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
論文名よみ | ||||||
その他のタイトル | Characteristics of Pc 3 magnetic pulsations in conjugate area around L=1.3-2.1 | |||||
著者名(英) |
Yumoto,Kiyohumi
× Yumoto,Kiyohumi× Saito,Takao× Tanaka,Yoshihito× Lynn,K.J.W.× Menk,F.W.× Fraser,B.J. |
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著者所属(英) | ||||||
en | ||||||
Onagawa Magnetic Observatory and Geophysical Institute, Tohoku University/Onagawa Magnetic Observatory and Geophysical Institute, Tohoku University/Research Institute of Atmospherics, Nagoya University/Electronics Research Laboratory, Defence Research Centre/Department of Physics, The University of Newcastle/Department of Physics, The University of Newcastle | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In order to establish both our theoretical and experimental researches on low-latitude Pc 3 magnetic pulsations, we carried out the Japan-Australia magnetic conjugate observations at Asahikawa (ASH; λ=142.2°, φ=43.93°, L=1.55), Onagawa (ONW; 141.48°, 38.43°, 1.30) in Japan and Birdsville (BSV; 139.3°, -25.83°, 1.55), i. e., the conjugate point of ASH, Dalby (DAL; 151.2°, -27.18°, 1.56) and St. Kilda (SKD; 138.5°, -34.7°, 2.11) in Australia during the period from 20 July to 16 September 1986. From the analysis of these conjugate-station data, occurrence and polarization characteristics of low-latitude Pc 3 pulsations are found as follows; (1) The average amplitudes at SKD (L=2.1) is about 2.5 times of that at BSV (1.55). (2) The H-component amplitude at BSV in the winter hemisphere is larger than that at ASH in the summer hemisphere. (3) The polarizations at all northern (soushern) stations switch statistically from left- (right-) handed in the morning to right- (left-) handed in the afternoon. Where polarization senses are given by a view looking down onto the earth in each hemisphere. (4) However, the switch from L-H (R-H) to R-H (L-H) polarization at the conjugate northern (southern) stations (L=1.55) is found not to be always occurring near local noon, and sometimes occur at ~5 and ~17h local time. (5) The abrupt changes of major axis orientations of Pc 3 polarization ellipses appear to coincide with the E-layer ionization enhancement and depression, associated with local sunrise and sunset, respectively. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756224 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Upper Atmosphere Physics 巻 1, p. 130-145, 発行日 1988-02 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |