Papers - OTSUKA, Yuichi
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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 Vol. 115 2010.12
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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 Vol. 115 2010.9
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Yoshioka, H; Tsuchiizu, M; Otsuka, Y; Seo, H
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 79 ( 9 ) 2010.9
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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 Vol. 115 2010.6
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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 Vol. 115 2010.2
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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 Vol. 115 2010.1
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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 Vol. 114 2009.5
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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 Vol. 114 2009.4
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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 Vol. 114 2009.3
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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 Vol. 114 2009.3
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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 Vol. 114 2009.3
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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 Vol. 114 2009.3
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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 Vol. 27 ( 4 ) page： 1625 - 1629 2009
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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 Vol. 61 ( 4 ) page： 397 - 410 2009
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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 Vol. 61 ( 4 ) page： 479 - 491 2009
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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 Vol. 61 ( 4 ) page： 439 - 445 2009
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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 Vol. 1144 page： 212 - + 2009
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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 Vol. 27 ( 3 ) page： 967 - 974 2009
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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 Vol. 61 ( 4 ) page： 431 - 437 2009
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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 Vol. 111 ( 3 ) page： 1054 - 1059 2008.2