論文 - 大塚 雄一
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Investigation of Spatiotemporal Morphology of Plasma Bubbles Based on EAR Observations 査読有り
Joshi, LM; Tsai, LC; Su, SY; Otsuka, Y; Yokoyama, T; Yamamoto, M; Sarkhel, S; Hozumi, K; Lu, CH
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 12 ) 頁: 10549 - 10563 2019年12月
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Tsuchiya, S; Shiokawa, K; Fujinami, H; Otsuka, Y; Nakamura, T; Connors, M; Schofield, I; Shevtsov, B; Poddelskiy, I
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 10 ) 頁: 8110 - 8124 2019年10月
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Panasenko, SV; Otsuka, Y; van de Kamp, M; Chernogor, LF; Shinbori, A; Tsugawa, T; Nishioka, M
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 191 巻 2019年9月
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Thermospheric wind variations observed by a Fabry-Perot interferometer at Tromso, Norway, at substorm onsets 査読有り Open Access
Xu, H; Shiokawa, K; Oyama, S; Otsuka, Y
EARTH PLANETS AND SPACE 71 巻 ( 1 ) 2019年8月
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Direct Observations of Traveling Ionospheric Disturbances as Focusers of Solar Radiation: Spectral Caustics 査読有り Open Access
Koval, A; Chen, Y; Tsugawa, A; Otsuka, Y; Shinbori, A; Nishioka, M; Brazhenko, A; Stanislavsky, A; Konovalenko, A; Zhang, QH; Monstein, C; Gorgutsa, R
ASTROPHYSICAL JOURNAL 877 巻 ( 2 ) 2019年6月
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Response of the Ionosphere-Plasmasphere Coupling to the September 2017 Storm:What Erodes the Plasmasphere so Severley? 査読有り Open Access
Obana, Y; Maruyama, N; Shinbori, A; Hashimoto, KK; Fedrizzi, M; Nosé, M; Otsuka, Y; Nishitani, N; Hori, T; Kumamoto, A; Tsuchiya, F; Matsuda, S; Matsuoka, A; Kasahara, Y; Yoshikawa, A; Miyoshi, Y; Shinohara, I
SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS 17 巻 ( 6 ) 頁: 861 - 876 2019年6月
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Spatiotemporal development of pulsating auroral patch associated with discrete chorus elements: Arase and PWING observations 査読有り
Ozaki, M, K. Shiokawa, Y. Miyoshi, K. Hosokawa, S. Oyama, S. Yagitani, Y. Kasahara, Y. Kasaba, S. Matsuda, R. Kataoka, Y. Ebihara, Y. Ogawa, Y. Otsuka, S. Kurita, R. C. Moore, Y.-M. Tanaka, M. Nosé, T. Nagatsuma, M. Connors, N. Nishitani, M. Hikishima, A. Kumamoto, F. Tsuchiya, A. Kadokura, T. Nishiyama, T. Inoue, K. Imamura, A. Matsuoka, I. Shinohara
2019 URSI ASIA-PACIFIC RADIO SCIENCE CONFERENCE (AP-RASC) 頁: 18776063 2019年6月
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Ratnam, DV; Otsuka, Y; Sivavaraprasad, G; Dabbakuti, JRKK
ADVANCES IN SPACE RESEARCH 63 巻 ( 9 ) 頁: 2848 - 2856 2019年5月
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Sivavaraprasad, G; Ratnam, DV; Otsuka, Y
JOURNAL OF NAVIGATION 72 巻 ( 3 ) 頁: 669 - 684 2019年5月
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Huang, FQ; Otsuka, Y; Lei, JH; Luan, XL; Dou, XK; Li, GZ
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 3 ) 頁: 2312 - 2322 2019年3月
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Observations of Low-Latitude Traveling Ionospheric Disturbances by a 630.0-nm Airglow Imager and the CHAMP Satellite Over Indonesia 査読有り Open Access
Moral, AC; Shiokawa, K; Suzuki, S; Liu, HX; Otsuka, Y; Yatini, CY
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 3 ) 頁: 2198 - 2212 2019年3月
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Visualization of rapid electron precipitation via chorus element wave-particle interactions 査読有り Open Access
Ozaki, M; Miyoshi, Y; Shiokawa, K; Hosokawa, K; Oyama, S; Kataoka, R; Ebihara, Y; Ogawa, Y; Kasahara, Y; Yagitani, S; Kasaba, Y; Kumamoto, A; Tsuchiya, F; Matsuda, S; Katoh, Y; Hikishima, M; Kurita, S; Otsuka, Y; Moore, RC; Tanaka, Y; Nosé, M; Nagatsuma, T; Nishitani, N; Kadokura, A; Connors, M; Inoue, T; Matsuoka, A; Shinohara, I
NATURE COMMUNICATIONS 10 巻 ( 1 ) 2019年1月
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Implementation of Hybrid Ionospheric TEC Forecasting Algorithm Using PCA-NN Method 査読有り
Mallika, IL, Ratnam, DV, Ostuka, Y, Sivavaraprasad, G, Raman, S
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 12 巻 ( 1 ) 頁: 371 - 381 2019年1月
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Rapid Loss of Relativistic Electrons by EMIC Waves in the Outer Radiation Belt Observed by Arase, Van Allen Probes, and the PWING Ground Stations 査読有り Open Access
Kurita, S; Miyoshi, Y; Shiokawa, K; Higashio, N; Mitani, T; Takashima, T; Matsuoka, A; Shinohara, I; Kletzing, CA; Blake, JB; Claudepierre, SG; Connors, M; Oyama, S; Nagatsuma, T; Sakaguchi, K; Baishev, D; Otsuka, Y
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 23 ) 頁: 12720 - 12729 2018年12月
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Microscopic Observations of Pulsating Aurora Associated With Chorus Element Structures: Coordinated Arase Satellite-PWING Observations 査読有り Open Access
Ozaki, M; Shiokawa, K; Miyoshi, Y; Hosokawa, K; Oyama, S; Yagitani, S; Kasahara, Y; Kasaba, Y; Matsuda, S; Kataoka, R; Ebihara, Y; Ogawa, Y; Otsuka, Y; Kurita, S; Moore, RC; Tanaka, YM; Nosé, M; Nagatsuma, T; Connors, M; Nishitani, N; Katoh, Y; Hikishima, M; Kumamoto, A; Tsuchiya, F; Kadokura, A; Nishiyama, T; Inoue, T; Imamura, K; Matsuoka, A; Shinohara, I
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 22 ) 頁: 12125 - 12134 2018年11月
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Statistical Analysis of SAR Arc Detachment From the Main Oval Based on 11-Year, AII-sky Imaging Observation at Athabasca, Canada 査読有り Open Access
Takagi, Y; Shiokawa, K; Otsuka, Y; Connors, M; Schofield, I
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 21 ) 頁: 11539 - 11546 2018年11月
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Review of the generation mechanisms of post-midnight irregularities in the equatorial and low-latitude ionosphere 査読有り Open Access
Otsuka, Y
PROGRESS IN EARTH AND PLANETARY SCIENCE 5 巻 2018年9月
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Investigation of Nighttime MSTIDS Observed by Optical Thermosphere Imagers at Low Latitudes: Morphology, Propagation Direction, and Wind Filtering 査読有り Open Access
Figueiredo, CAOB; Takahashi, H; Wrasse, CM; Otsuka, Y; Shiokawa, K; Barros, D
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123 巻 ( 9 ) 頁: 7843 - 7857 2018年9月
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Storm-Enhanced Development of Postsunset Equatorial Plasma Bubbles Around the Meridian 120 degrees E/60 degrees W on 7-8 September 2017 査読有り Open Access
Li Guozhu, Ning Baiqi, Wang Chi, Abdu M. A., Otsuka Yuichi, Yamamoto M., Wu Jian, Chen Jinsong
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123 巻 ( 9 ) 頁: 7985 - 7998 2018年9月
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Shinbori, A; Otsuka, Y; Tsugawa, T; Nishioka, M; Kumamoto, A; Tsuchiya, F; Matsuda, S; Kasahara, Y; Matsuoka, A; Ruohoniemi, JM; Shepherd, SG; Nishitani, N
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 15 ) 頁: 7362 - 7370 2018年8月