論文 - 大塚 雄一
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Response of low-latitude ionosphere to medium-term changes of solar and geomagnetic activity
Kutiev Ivan, Otsuka Yuichi, Pancheva Dora, Heelis Rod
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年8月
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Significance of C4d deposition in antibody-mediated rejection Open Access
Takeda, A; Otsuka, Y; Horike, K; Inaguma, D; Hiramitsu, T; Yamamoto, T; Nanmoku, K; Goto, N; Watarai, Y; Uchida, K; Morozumi, K; Kobayashi, T
CLINICAL TRANSPLANTATION 26 巻 頁： 43 - 48 2012年7月
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GPS total electron content variations associated with poleward moving Sun-aligned arcs Open Access
Jayachandran P. T., Hosokawa K., Shiokawa K., Otsuka Y., Watson C., Mushini S. C., MacDougall J. W., Prikryl P., Chadwick R., Kelly T. D.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年5月
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Polarization of Pc1/EMIC waves and related proton auroras observed at subauroral latitudes Open Access
Nomura R., Shiokawa K., Sakaguchi K., Otsuka Y., Connors M.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年2月
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Ionospheric and thermospheric storms at equatorial latitudes observed by CHAMP, ROCSAT, and DMSP Open Access
Balan N., Liu J. Y., Otsuka Y., Ram S. Tulasi, Luehr H.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年1月
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On postmidnight low-latitude ionospheric irregularities during solar minimum: 2. C/NOFS observations and comparisons with the Equatorial Atmosphere Radar Open Access
Yokoyama T., Pfaff R. F., Roddy P. A., Yamamoto M., Otsuka Y.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年11月
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New aspects of thermospheric and ionospheric storms revealed by CHAMP Open Access
Balan N., Yamamoto M., Liu J. Y., Otsuka Y., Liu H., Luehr H.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年7月
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Decay of polar cap patch
Hosokawa K., Moen J. I., Shiokawa K., Otsuka Y.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年5月
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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
Jin H., Miyoshi Y., Fujiwara H., Shinagawa H., Terada K., Terada N., Ishii M., Otsuka Y., Saito A.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年1月
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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 Open Access
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 Open Access
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 Open Access
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 Open Access
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 Open Access
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