論文 - 大塚 雄一
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Statistical study of relationship between medium-scale traveling ionospheric disturbance and sporadic E layer activities in summer night over Japan 査読有り
Otsuka Y., Tani T., Tsugawa T., Ogawa T., Saito A.
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 70 巻 ( 17 ) 頁: 2196 - 2202 2008年12月
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Saito, S; Fukao, S; Yamamoto, M; Otsuka, Y; Maruyama, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 113 巻 ( A11 ) 2008年11月
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F-3 layer during penetration electric field 査読有り
Balan N., Thampi S. V., Lynn K., Otsuka Y., Alleyne H., Watanabe S., Abdu M. A., Fejer B. G.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 113 巻 2008年9月
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Sakaguchi, K; Shiokawa, K; Miyoshi, Y; Otsuka, Y; Ogawa, T; Asamura, K; Connors, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 113 巻 ( A5 ) 2008年5月
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Daytime 150-km echoes observed with the Equatorial Atmosphere Radar in Indonesia: First results 査読有り
Patra, AK; Yokoyama, T; Otsuka, Y; Yamamoto, M
GEOPHYSICAL RESEARCH LETTERS 35 巻 ( 6 ) 2008年3月
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Yokoyama, T; Otsuka, Y; Ogawa, T; Yamamoto, M; Hysell, DL
GEOPHYSICAL RESEARCH LETTERS 35 巻 ( 3 ) 2008年2月
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Shiokawa, K; Tsugawa, T; Otsuka, Y; Ogawa, T; Lu, G; Saito, A; Yamamoto, M
MIDLATITUDE IONOSPHERIC DYNAMICS AND DISTURBANCES 181 巻 頁: 271 - 281 2008年
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Discovery of anoumoulous stripes over the amazon by the PALSAR onboard ALOS satellite 査読有り
Masanobu Shimada, Yasushi Muraki, Yuichi Otsuka
International Geoscience and Remote Sensing Symposium (IGARSS) 2 巻 ( 1 ) 頁: II387 - II390 2008年
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Tsugawa, T; Otsuka, Y; Coster, AJ; Saito, A
GEOPHYSICAL RESEARCH LETTERS 34 巻 ( 22 ) 2007年11月
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Summer-winter hemispheric asymmetry of the sudden increase in ionospheric total electron content and of the O/N-2 ratio: Solar activity dependence 査読有り
Tsugawa T., Zhang S.-R., Coster A. J., Otsuka Y., Sato J., Saito A., Zhang Y., Paxton L. J.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 112 巻 ( A8 ) 2007年8月
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Low-latitude total electron content enhancement at low geomagnetic activity observed over Japan 査読有り
Kutiev, I; Otsuka, Y; Saito, A; Tsugawa, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 112 巻 ( A7 ) 2007年7月
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Simultaneous observations of nighttime medium-scale traveling ionospheric disturbances and E region field-aligned irregularities at midlatitude 査読有り
Otsuka Y., Onoma F., Shiokawa K., Ogawa T., Yamamoto M., Fukao S.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 112 巻 ( A6 ) 2007年6月
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Ground observation and AMIE-TIEGCM modeling of a storm-time traveling ionospheric disturbance 査読有り
Shiokawa, K; Lu, G; Otsuka, Y; Ogawa, T; Yamamoto, M; Nishitani, N; Sato, N
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 112 巻 ( A5 ) 2007年5月
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Simultaneous ground and satellite observations of an isolated proton arc at subauroral latitudes 査読有り
Sakaguchi, K; Shiokawa, K; Ieda, A; Miyoshi, Y; Otsuka, Y; Ogawa, T; Connors, M; Donovan, EF; Rich, FJ
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 112 巻 ( A4 ) 2007年4月
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An intense gravity wave near the mesopause region observed by a Fabry-Perot interferometer and an airglow imager 査読有り
Shiokawa K., Suzuki S., Otsuka Y., Ogawa T., Nakamura T., Horinouchi T.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 112 巻 ( D7 ) 2007年4月
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Tsugawa, T; Kotake, N; Otsuka, Y; Saito, A
GPS SOLUTIONS 11 巻 ( 2 ) 頁: 139 - 144 2007年3月
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A concentric gravity wave structure in the mesospheric airglow images 査読有り
Suzuki S., Shiokawa K., Otsuka Y., Ogawa T., Nakamura K., Nakamura T.
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 112 巻 ( D2 ) 2007年1月
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Simultaneous observations of nighttime medium-scale traveling ionospheric disturbances and E-region field-aligned irregularities at midlatitude 査読有り
Otsuka, Y., F. Onoma, K. Shiokawa, T. Ogawa, M. Yamamoto, and S. Fukao
J. Geophys. Res 頁: doi:10.1029/2005JA011548 2007年
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Kotake, N; Otsuka, Y; Ogawa, T; Tsugawa, T; Saito, A
EARTH PLANETS AND SPACE 59 巻 ( 2 ) 頁: 95 - 102 2007年
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Becker-Guedes, F; Sahai, Y; Fagundes, PR; Espinoza, ES; Pillat, VG; Lima, WLC; Basu, S; Basu, S; Otsuka, Y; Shiokawa, K; MacKenzie, EM; Pi, X; Bittencourt, JA
ANNALES GEOPHYSICAE 25 巻 ( 4 ) 頁: 863 - 873 2007年