論文 - 大塚 雄一
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Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm
Hosokawa K., Tsugawa T., Shiokawa K., Otsuka Y., Nishitani N., Ogawa T., Hairston M. R.
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
Adachi Toru, Yamaoka Masashi, Yamamoto Mamoru, Otsuka Yuichi, Liu Huixin, Hsiao Chun-Chieh, Chen Alfred B., Hsu Rue-Ron
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年9月
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Yoshioka, H; Tsuchiizu, M; Otsuka, Y; Seo, H
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 79 巻 ( 9 ) 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
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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A physical mechanism of positive ionospheric storms at low latitudes and midlatitudes
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
Hosokawa K., St-Maurice J. -P., Sofko G. J., Shiokawa K., Otsuka Y., Ogawa T.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年1月
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Spatial relationship of nighttime medium-scale traveling ionospheric disturbances and F region field-aligned irregularities observed with two spaced all-sky airglow imagers and the middle and upper atmosphere radar
Otsuka Y., Shiokawa K., Ogawa T., Yokoyama T., Yamamoto M.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年5月
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Motion of polar cap patches: A statistical study with all-sky airglow imager at Resolute Bay, Canada
Hosokawa K., Kashimoto T., Suzuki S., Shiokawa K., Otsuka Y., Ogawa T.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年4月
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Medium-scale traveling ionospheric disturbances observed with the SuperDARN Hokkaido radar, all-sky imager, and GPS network and their relation to concurrent sporadic E irregularities
Ogawa T., Nishitani N., Otsuka Y., Shiokawa K., Tsugawa T., Hosokawa K.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年3月
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Super plasma fountain and equatorial ionization anomaly during penetration electric field
Balan N., Shiokawa K., Otsuka Y., Watanabe S., Bailey G. J.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年3月
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Relationship between polar cap patches and field-aligned irregularities as observed with an all-sky airglow imager at Resolute Bay and the PolarDARN radar at Rankin Inlet
Hosokawa K., Shiokawa K., Otsuka Y., Ogawa T., St-Maurice J. -P., Sofko G. J., Andre D. A.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年3月
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Three-dimensional simulation of the coupled Perkins and E-s-layer instabilities in the nighttime midlatitude ionosphere
Yokoyama Tatsuhiro, Hysell David L., Otsuka Yuichi, Yamamoto Mamoru
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年3月
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Characteristics of equatorial gravity waves derived from mesospheric airglow imaging observations
Suzuki S., Shiokawa K., Liu A. Z., Otsuka Y., Ogawa T., Nakamura T.
ANNALES GEOPHYSICAE 27 巻 ( 4 ) 頁： 1625 - 1629 2009年
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Equatorial GPS ionospheric scintillations over Kototabang, Indonesia and their relation to atmospheric waves from below
Ogawa Tadahiko, Miyoshi Yasunobu, Otsuka Yuichi, Nakamura Takuji, Shiokawa Kazuo
EARTH PLANETS AND SPACE 61 巻 ( 4 ) 頁： 397 - 410 2009年
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Propagation characteristics of nighttime mesospheric and thermospheric waves observed by optical mesosphere thermosphere imagers at middle and low latitudes
Shiokawa K., Otsuka Y., Ogawa T.
EARTH PLANETS AND SPACE 61 巻 ( 4 ) 頁： 479 - 491 2009年
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Relative effects of electric field and neutral wind on positive ionospheric storms
Balan N., Alleyne H., Otsuka Y., Lekshmi D. Vijaya, Fejer B. G., McCrea I.
EARTH PLANETS AND SPACE 61 巻 ( 4 ) 頁： 439 - 445 2009年
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The Optical Mesosphere Thermosphere Imagers (OMTIs) for network measurements of aurora and airglow
Shiokawa K., Hosokawa K., Sakaguchi K., Ieda A., Otsuka Y., Ogawa T., Connors M.
FUTURE PERSPECTIVES OF SPACE PLASMA AND PARTICLE INSTRUMENTATION AND INTERNATIONAL COLLABORATIONS 1144 巻 頁： 212 - + 2009年
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Zonal asymmetry of daytime 150-km echoes observed by Equatorial Atmosphere Radar in Indonesia
Yokoyama T., Hysell D. L., Patra A. K., Otsuka Y., Yamamoto M.
ANNALES GEOPHYSICAE 27 巻 ( 3 ) 頁： 967 - 974 2009年
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VHF radar observations of nighttime F-region field-aligned irregularities over Kototabang, Indonesia
Otsuka Y., Ogawa T., Effendy
EARTH PLANETS AND SPACE 61 巻 ( 4 ) 頁： 431 - 437 2009年
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Kosaka, Y; Yagasaki, H; Sano, K; Kobayashi, R; Ayukawa, H; Kaneko, T; Yabe, H; Tsuchida, M; Mugishima, H; Hara, A; Morimoto, A; Otsuka, Y; Ohga, S; Bessho, F; Nakahata, T; Tsukimoto, I; Kojima, S
BLOOD 111 巻 ( 3 ) 頁： 1054 - 1059 2008年2月