論文 - 大塚 雄一
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Shinbori, A; Koyama, Y; Nosé, M; Hori, T; Otsuka, Y
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 10 ) 頁: 10796 - 10810 2017年10月
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Geomagnetically conjugate observations of ionospheric and thermospheric variations accompanied by a midnight brightness wave at low latitudes 査読有り Open Access
Fukushima, D; Shiokawa, K; Otsuka, Y; Kubota, M; Yokoyama, T; Nishioka, M; Komonjinda, S; Yatini, CY
EARTH PLANETS AND SPACE 69 巻 2017年8月
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Daytime zonal drifts in the ionospheric 150km and E regions estimated using EAR observations 査読有り
Pavan Chaitanya P., Patra A. K., Otsuka Y., Yokoyama T., Yamamoto M., Stoneback R. A., Heelis R. A.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 8 ) 頁: 9045 - 9055 2017年8月
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Takeo, D; Shiokawa, K; Fujinami, H; Otsuka, Y; Matsuda, TS; Ejiri, MK; Nakamura, T; Yamamoto, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 8 ) 頁: 8770 - 8780 2017年8月
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Equinoctial asymmetry in the zonal distribution of scintillation as observed by GPS receivers in Indonesia 査読有り Open Access
Abadi, P; Otsuka, Y; Shiokawa, K; Husin, A; Liu, HX; Saito, S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 8 ) 頁: 8947 - 8958 2017年8月
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Sixteen-year variation of horizontal phase velocity and propagation direction of mesospheric and thermospheric waves in airglow images at Shigaraki 査読有り Open Access
Takeo, D, K. Shiokawa, H. Fujinami, Y. Otsuka, T. S. Matsuda, M. K. Ejiri, T. Nakamura, M. Yamamoto
Journal of Geophysical Research -Atmospheres 122 巻 頁: 8770-8780 2017年8月
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Coordinated observations of postmidnight irregularities and thermospheric neutral winds and temperatures at low latitudes 査読有り Open Access
Dao, T; Otsuka, Y; Shiokawa, K; Nishioka, M; Yamamoto, M; Buhari, SM; Abdullah, M; Husin, A
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 7 ) 頁: 7504 - 7518 2017年7月
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Detection of Plasma Bubble in Ionosphere using GPS Receivers in Southeast Asia 査読有り Open Access
Buhari, SM; Abdullah, M; Otsuka, Y; Yokoyama, T; Nishioka, M; Hasbi, AM; Tsugawa, T
SAINS MALAYSIANA 46 巻 ( 6 ) 頁: 879 - 885 2017年6月
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Measurement of thermospheric temperatures using OMTI Fabry-Perot interferometers with 70-mm etalon 査読有り Open Access
Nakamura, Y; Shiokawa, K; Otsuka, Y; Oyama, S; Nozawa, S; Komolmis, T; Komonjida, S; Neudegg, D; Yuile, C; Meriwether, J; Shinagawa, H; Jin, H
EARTH PLANETS AND SPACE 69 巻 2017年4月
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Large-scale traveling ionospheric disturbances observed by GPS dTEC maps over North and South America on Saint Patrick's Day storm in 2015 査読有り Open Access
Figueiredo, CAOB; Wrasse, CM; Takahashi, H; Otsuka, Y; Shiokawa, K; Barros, D
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 4 ) 頁: 4755 - 4763 2017年4月
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Climatology of successive equatorial plasma bubbles observed by GPS ROTI over Malaysia 査読有り Open Access
Buhari, SM; Abdullah, M; Yokoyama, T; Otsuka, Y; Nishioka, M; Hasbi, AM; Bahari, SA; Tsugawa, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 2 ) 頁: 2174 - 2184 2017年2月
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STATISTICAL ANALYSIS OF THE OCCURRENCES OF MSTIDs OBSERVED BY ALL-SKY IMAGER IN LOW MAGNETIC LATITUDE 査読有り
2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) 頁: 4425 - 4428 2017年
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The first long-term all-sky imager observation of lunar sodium tail 査読有り
Nishino, MN; Shiokawa, K; Otsuka, Y
ICARUS 280 巻 頁: 199 - 204 2016年12月
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Three years of concentric gravity wave variability in the mesopause as observed by IMAP/VISI 査読有り
Perwitasari, S; Sakanoi, T; Nakamura, T; Ejiri, MK; Tsutsumi, M; Tomikawa, Y; Otsuka, Y; Yamazaki, A; Saito, A
GEOPHYSICAL RESEARCH LETTERS 43 巻 ( 22 ) 頁: 11528 - 11535 2016年11月
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Ionospheric TEC Weather Map Over South America 査読有り Open Access
Takahashi, H; Wrasse, CM; Denardini, CM; Pádua, MB; de Paula, ER; Costa, SMA; Otsuka, Y; Shiokawa, K; Monico, JFG; Ivo, A; Sant'Anna, N
SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS 14 巻 ( 11 ) 頁: 937 - 949 2016年11月
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On the fresh development of equatorial plasma bubbles around the midnight hours of June solstice 査読有り
Ajith, KK; Ram, ST; Yamamoto, M; Otsuka, Y; Niranjan, K
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 121 巻 ( 9 ) 頁: 9051 - 9062 2016年9月
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Fast modulations of pulsating proton aurora related to subpacket structures of Pc1 geomagnetic pulsations at subauroral latitudes 査読有り Open Access
Ozaki, M; Shiokawa, K; Miyoshi, Y; Kataoka, R; Yagitani, S; Inoue, T; Ebihara, Y; Jun, CW; Nomura, R; Sakaguchi, K; Otsuka, Y; Shoji, M; Schofield, I; Connors, M; Jordanova, VK
GEOPHYSICAL RESEARCH LETTERS 43 巻 ( 15 ) 頁: 7859 - 7866 2016年8月
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Enhanced ionospheric plasma bubble generation in more active ITCZ 査読有り Open Access
Li, GZ; Otsuka, Y; Ning, BQ; Abdu, MA; Yamamoto, M; Wan, WX; Liu, LB; Abadi, P
GEOPHYSICAL RESEARCH LETTERS 43 巻 ( 6 ) 頁: 2389 - 2395 2016年3月
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Altitude development of postmidnight F region field-aligned irregularities observed using Equatorial Atmosphere Radar in Indonesia 査読有り Open Access
Tam Dao, Otsuka Yuichi, Shiokawa Kazuo, Ram S. Tulasi, Yamamoto Mamoru
GEOPHYSICAL RESEARCH LETTERS 43 巻 ( 3 ) 頁: 1015 - 1022 2016年2月
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Pulsating proton aurora caused by rising tone Pc1 waves 査読有り Open Access
Nomura, R; Shiokawa, K; Omura, Y; Ebihara, Y; Miyoshi, Y; Sakaguchi, K; Otsuka, Y; Connors, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 121 巻 ( 2 ) 頁: 1608 - 1618 2016年2月