論文 - 大塚 雄一
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Sakanoi, T, Akiya, Y, Yamazaki, A, Otsuka, Y, Saito, A, Yoshikawa, I
IEEJ Transactions on Fundamentals and Materials 131 巻 ( 12 ) 頁: 983 - 988 2011年
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Chen, CH; Saito, A; Lin, CH; Liu, JY; Tsai, HF; Tsugawa, T; Otsuka, Y; Nishioka, M; Matsumura, M
EARTH PLANETS AND SPACE 63 巻 ( 7 ) 頁: 881 - 884 2011年
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On postmidnight low-latitude ionospheric irregularities during solar minimum: 2. C/NOFS observations and comparisons with the Equatorial Atmosphere Radar 査読有り
T. Yokoyama, R. F. Pfaff, P. A. Roddy, M. Yamamoto, Y. Otsuka
Journal of Geophysical Research: Space Physics 116 巻 ( 11 ) 2011年
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On postmidnight low-latitude ionospheric irregularities during solar minimum: 1. Equatorial Atmosphere Radar and GPS-TEC observations in Indonesia 査読有り
T. Yokoyama, M. Yamamoto, Y. Otsuka, M. Nishioka, T. Tsugawa, S. Watanabe, R. F. Pfaff
Journal of Geophysical Research: Space Physics 116 巻 ( 11 ) 2011年
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Matsumura, M; Saito, A; Iyemori, T; Shinagawa, H; Tsugawa, T; Otsuka, Y; Nishioka, M; Chen, CH
EARTH PLANETS AND SPACE 63 巻 ( 7 ) 頁: 885 - 889 2011年
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New aspects of thermospheric and ionospheric storms revealed by CHAMP 査読有り
N. Balan, M. Yamamoto, J. Y. Liu, Y. Otsuka, H. Liu, H. Lühr
Journal of Geophysical Research: Space Physics 116 巻 ( 7 ) 2011年
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Motion of polar cap arcs 査読有り
Hosokawa, K, J. I. Moen, K. Shiokawa, Y. Otsuka
Journal of Geophysical Research 116 巻 頁: doi:10.1029/2010JA015906 2011年
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Nishitani, N; Ogawa, T; Otsuka, Y; Hosokawa, K; Hori, T
EARTH PLANETS AND SPACE 63 巻 ( 7 ) 頁: 891 - 896 2011年
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Vertical connection from the tropospheric activities to the ionospheric longitudinal structure simulated by a new Earth's whole atmosphere-ionosphere coupled model 査読有り
H. Jin, Y. Miyoshi, H. Fujiwara, H. Shinagawa, K. Terada, N. Terada, M. Ishii, Y. Otsuka, A. Saito
Journal of Geophysical Research: Space Physics 116 巻 ( 1 ) 2011年
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Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm 査読有り
K. Hosokawa, T. Tsugawa, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa, M. R. Hairston
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年12月
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Midnight latitude-altitude distribution of 630 nm airglow in the Asian sector measured with FORMOSAT-2/ISUAL 査読有り
Toru Adachi, Masashi Yamaoka, Mamoru Yamamoto, Yuichi Otsuka, Huixin Liu, Chun-Chieh Hsiao, Alfred B. Chen, Rue-Ron Hsu
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年9月
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Large-scale traveling ionospheric disturbance observed by superDARN Hokkaido HF radar and GPS networks on 15 December 2006 査読有り
Hayashi, H, Nishitani, N, Ogawa, T, Otsuka, Y, Tsugawa, T, Hosokawa, K, Saito, A
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年6月
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Large-scale traveling ionospheric disturbance observed by superDARN Hokkaido HF radar and GPS networks on 15 December 2006 査読有り
H. Hayashi, N. Nishitani, T. Ogawa, Y. Otsuka, T. Tsugawa, K. Hosokawa, A. Saito
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年6月
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Nighttime-like quasi periodic echoes induced by a partial solar eclipse 査読有り
Thampi, SV; Yamamoto, M; Liu, HX; Saito, S; Otsuka, Y; Patra, AK
GEOPHYSICAL RESEARCH LETTERS 37 巻 2010年5月
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Li, GZ; Ning, BQ; Hu, LH; Liu, LB; Yue, XA; Wan, WX; Zhao, BQ; Igarashi, K; Kubota, M; Otsuka, Y; Xu, JS; Liu, JY
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 ( 4 ) 2010年4月
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A physical mechanism of positive ionospheric storms at low latitudes and midlatitudes 査読有り
Balan N, Shiokawa K, Otsuka Y, Kikuchi T, Lekshmi D. Vijaya, Kawamura S, Yamamoto M, Bailey G. J
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年2月
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Reorganization of polar cap patches through shears in the background plasma convection 査読有り
K. Hosokawa, J. -P. St-Maurice, G. J. Sofko, K. Shiokawa, Y. Otsuka, T. Ogawa
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年1月
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A physical mechanism of positive ionospheric storms at low latitudes and midlatitudes 査読有り
N. Balan, K. Shiokawa, Y. Otsuka, T. Kikuchi, D. Vijaya Lekshmi, S. Kawamura, M. Yamamoto, G. J. Bailey
Journal of Geophysical Research: Space Physics 115 巻 ( 2 ) 2010年
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Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm 査読有り
K. Hosokawa, T. Tsugawa, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa, M. R. Hairston
Journal of Geophysical Research: Space Physics 115 巻 ( 12 ) 2010年
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Large-scale traveling ionospheric disturbance observed by superDARN Hokkaido HF radar and GPS networks on 15 December 2006 査読有り
H. Hayashi, N. Nishitani, T. Ogawa, Y. Otsuka, T. Tsugawa, K. Hosokawa, A. Saito
Journal of Geophysical Research: Space Physics 115 巻 ( 6 ) 2010年