大学院理学研究科

2024/10/07 更新
博士(工) ( 1999年3月 京都大学 )
電離圏 大気光 全電子数 GPS GNSS
電離圏物理学
超高層大気物理学
その他 / その他 / 超高層物理学
自然科学一般 / 宇宙惑星科学
その他 / その他 / 超高層物理学
GPS・レーダー・光学観測による中低緯度電離圏の研究
電離圏のGNSSへの影響に関する研究
名古屋大学 宇宙地球環境研究所・准教授
2015年10月 - 現在
国名:日本国
京都大学 工学研究科
1996年4月 - 1999年3月
国名: 日本国
京都大学 大学院工学研究科
1996年4月 - 1998年3月
地球電磁気・地球惑星圏学会
米国地球物理学連合
測位航法学会
測位航法学会
地球電磁気・地球惑星圏学会
Excellent Reviewers 2021
2022年1月 Earth, Planets and Space
Excellent Reviewers 2020
2021年1月 Earth, Planets and Space
Advances in Space Research: Top Reviewer 2019
2020年6月 Committee on Space Research
田中舘賞
2019年10月 地球電磁気・地球惑星圏学会
AGU’s Outstanding Reviewers of 2018, Radio Science
2019年5月 米国地球物理学連合
Advances in Space Research: Top Reviewers of 2017
2018年8月
Editors' Citations for Excellence in Refereeing, Radio Science
2012年10月 米国地球物理学連合
大塚 雄一
2011年 Radio Science 誌優秀論文審査賞
2011年 米国地球物理連合
2009年 Geophysical Research Letters誌優秀論文審査賞
2010年9月 米国地球物理連合
Editors' Citations for Excellence in Refereeing, Geophysical Research Letters
2010年5月 米国地球物理学連合
大塚 雄一
EPS Award
2009年5月 Earth, Planets and Space (EPS)
大塚 雄一
地球電磁気・地球惑星圏学会 大林奨励賞
2005年9月 地球電磁気・地球惑星圏学会
大林奨励賞
2005年9月 地球電磁気・地球惑星圏学会 熱圏電離圏における大気・プラズマ結合の研究
大塚 雄一
Abadi, P; Otsuka, Y; Saito, S; Yamamoto, M; Perwitasari, S; Muafiry, IN; Putra, AY; Faturahman, A
SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS 22 巻 ( 8 ) 2024年8月
Fu, WZ; Otsuka, Y; Ssessanga, N
EARTH PLANETS AND SPACE 76 巻 ( 1 ) 2024年7月
Leveraging machine learning techniques and GPS measurements for precise TEC rate predictions 査読有り 国際共著
Tete, S; Otsuka, Y; Zahra, WK; Mahrous, A
GPS SOLUTIONS 28 巻 ( 3 ) 2024年7月
Thank You to Our 2023 Peer Reviewers 査読有り 国際共著
Rajaram, H; Aiyyer, A; Camargo, S; Cappa, CD; Dombard, AJ; Donohue, KA; Feakins, S; Flesch, L; Fulweiler, R; Ganju, N; Giannini, A; Gu, Y; Huber, C; Ivanov, V; Karnauskas, K; Korte, M; Lewis, K; Lu, G; Magnusdottir, G; Morlighem, M; Oieroset, M; Otsuka, Y; Prieto, GA; Qiu, B; Russell, L; Su, H; Sun, DY; Wang, GL; Wang, KC; Whalen, C; White, AE; Williams, Q; Yau, A
GEOPHYSICAL RESEARCH LETTERS 51 巻 ( 9 ) 2024年5月
Abadi, P; Ahmad, UA; Otsuka, Y; Jamjareegulgarn, P; Almahi, A; Perwitasari, S; Supriadi, S; Harjupa, W; Septiawan, RR
EARTH PLANETS AND SPACE 75 巻 ( 1 ) 2023年12月
Otsuka, Y; Abadi, P; Hozumi, K; Almahi, A
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 252 巻 2023年11月
Figueiredo, CAOB; Wrasse, CM; Vadas, S; Takahashi, H; Otsuka, Y; Nyassor, PK; Shiokawa, K; Paulino, I; Barros, D
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 10 ) 2023年10月
Akala, AO; Afolabi, RO; Otsuka, Y
ADVANCES IN SPACE RESEARCH 72 巻 ( 3 ) 頁: 775 - 789 2023年8月
Okoh, D; Shiokawa, K; Otsuka, Y; Rabiu, B; Habarulema, JB; Migoya-Orue, Y; Cesaroni, C
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 249 巻 2023年8月
Ionospheric disturbances over South America related to Tonga volcanic eruption 査読有り 国際共著
Takahashi, H; Figueiredo, CAOB; Barros, D; Wrasse, CM; Giongo, GA; Honda, RH; Vital, LFR; Resende, LCA; Nyassor, PK; Ayorinde, TT; Carmo, CS; Padua, MB; Otsuka, Y
EARTH PLANETS AND SPACE 75 巻 ( 1 ) 2023年5月
Generation of equatorial plasma bubble after the 2022 Tonga volcanic eruption 査読有り
Shinbori, A; Sori, T; Otsuka, Y; Nishioka, M; Perwitasari, S; Tsuda, T; Kumamoto, A; Tsuchiya, F; Matsuda, S; Kasahara, Y; Matsuoka, A; Nakamura, S; Miyoshi, Y; Shinohara, I
SCIENTIFIC REPORTS 13 巻 ( 1 ) 頁: 6450 2023年5月
Day-to-day variability of the equatorial ionosphere in Asian sector during August-October 2019 査読有り 国際共著
Liu, HX; Otsuka, Y; Hozumi, K; Yu, T
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES 10 巻 2023年5月
Gololobov, A; Shiokawa, K; Baishev, D; Inaba, Y; Otsuka, Y; Connors, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 4 ) 2023年4月
Solved and unsolved riddles about low-latitude daytime valley region plasma waves and 150-km echoes 査読有り 国際共著
Chau, JL; Longley, WJ; Reyes, PM; Pedatella, NM; Otsuka, Y; Stolle, C; Liu, H; England, SL; Vierinen, JP; Milla, MA; Hysell, DL; Oppenheim, MM; Patra, A; Lehmacher, G; Kudeki, E
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES 10 巻 2023年2月
Tandem Observations of Nighttime Mid-Latitude Topside Ionospheric Perturbations 査読有り 国際共著
Song, H; Park, J; Jin, YQ; Otsuka, Y; Buchert, S; Lee, J; Yi, Y
SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS 21 巻 ( 2 ) 2023年2月
Ionospheric Modulation by EMIC Wave-Driven Proton Precipitation: Observations and Simulations 査読有り 国際共著
Tian, XB; Yu, YQ; Gong, F; Ma, LX; Cao, JB; Solomon, SC; Shreedevi, PR; Shiokawa, K; Otsuka, Y; Oyama, S; Miyoshi, Y
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 1 ) 2023年1月
Ondede, GO; Rabiu, AB; Okoh, D; Baki, P; Olwendo, J; Shiokawa, K; Otsuka, Y
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES 9 巻 2022年11月
Localized mesospheric ozone destruction corresponding to isolated proton aurora coming from Earth's radiation belt
Ozaki Mitsunori, Shiokawa Kazuo, Kataoka Ryuho, Mlynczak Martin, Paxton Larry, Connors Martin, Yagitani Satoshi, Hashimoto Shion, Otsuka Yuichi, Nakahira Satoshi, Mann Ian
SCIENTIFIC REPORTS 12 巻 ( 1 ) 2022年10月
Three-Dimensional Fourier Analysis of Atmospheric Gravity Waves and Medium-Scale Traveling Ionospheric Disturbances Observed in Airglow Images in Hawaii Over Three Years
Naito Hideto, Shiokawa Kazuo, Otsuka Yuichi, Fujinami Hatsuki, Tsuboi Takuma, Sakanoi Takeshi, Saito Akinori, Nakamura Takuji
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 127 巻 ( 10 ) 2022年10月
Statistical Study of Subauroral Arc Detachment at Athabasca, Canada: New Insights on STEVE
Yadav, S; Shiokawa, K; Otsuka, Y; Connors, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 127 巻 ( 9 ) 2022年9月
Electromagnetic conjugacy of ionospheric disturbances after the 2022 Hunga Tonga-Hunga Ha'apai volcanic eruption as seen in GNSS-TEC and SuperDARN Hokkaido pair of radars observations
Shinbori Atsuki, Otsuka Yuichi, Sori Takuya, Nishioka Michi, Perwitasari Septi, Tsuda Takuo, Nishitani Nozomu
EARTH PLANETS AND SPACE 74 巻 ( 1 ) 2022年7月
Abadi, P; Ahmad, UA; Otsuka, Y; Jamjareegulgarn, P; Martiningrum, DR; Faturahman, A; Perwitasari, S; Saputra, RE; Septiawan, RR
REMOTE SENSING 14 巻 ( 8 ) 2022年4月
Sarudin, I; Hamid, NSA; Abdullah, M; Rusli, FNSM; Otsuka, Y; Shiokawa, K; Yatini, C; Komonjinda, S; Somboon, E
JURNAL FIZIK MALAYSIA 43 巻 ( 1 ) 頁: 10025 - 10035 2022年
Xtend, the Soft X-ray Imaging Telescope for the X-ray Imaging and Spectroscopy Mission (XRISM)
Mori, K; Tomida, H; Nakajima, H; Okajima, T; Noda, H; Tanaka, T; Uchida, H; Hagino, K; Kobayashi, SB; Suzuki, H; Yoshida, T; Murakami, H; Uchiyama, H; Nobukawa, M; Nobukawa, KK; Yoneyama, T; Matsumoto, H; Tsuru, TG; Yamauchi, M; Hatsukade, I; Ishida, M; Maeda, Y; Hayashi, T; Tamura, K; Boissay-Malaquin, R; Sato, T; Hiraga, J; Kohmura, T; Yamaoka, K; Dotani, T; Ozaki, M; Tsunemi, H; Kanemaru, Y; Sato, J; Takaki, T; Terada, Y; Miyazaki, K; Kusunoki, K; Otsuka, Y; Yokosu, H; Yonemaru, W; Asahina, Y; Asakura, K; Yoshimoto, M; Ode, Y; Sato, J; Hakamata, T; Aoyagi, M; Aoki, Y; Tsunomachi, S; Doi, T; Aoki, D; Fujisawa, K; Kitajima, M; Hayashida, K
SPACE TELESCOPES AND INSTRUMENTATION 2022: ULTRAVIOLET TO GAMMA RAY 12181 巻 2022年
Abadi, P; Otsuka, Y; Liu, HX; Hozumi, K; Martiningrum, DR
18TH ANNUAL MEETING OF THE ASIA OCEANIA GEOSCIENCES SOCIETY, AOGS 2021 頁: 218 - 220 2022年
Okoh, DI; Rabiu, AB; Shiokawa, K; Otsuka, Y; Wu, Q; Seemala, GK; Katamzi-Joseph, ZT
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 220 巻 2021年9月
Otsuka, Y; Spogli, L; Ram, ST; Li, GZ
EARTH AND PLANETARY PHYSICS 5 巻 ( 5 ) 頁: 365 - 367 2021年9月
Sato, H; Kim, JS; Otsuka, Y; Wrasse, CM; de Paula, ER; de Souza, JR
GEOPHYSICAL RESEARCH LETTERS 48 巻 ( 16 ) 2021年8月
PSTEP: project for solar-terrestrial environment prediction
Kusano, K; Ichimoto, K; Ishii, M; Miyoshi, Y; Yoden, S; Akiyoshi, H; Asai, A; Ebihara, Y; Fujiwara, H; Goto, TN; Hanaoka, Y; Hayakawa, H; Hosokawa, K; Hotta, H; Hozumi, K; Imada, S; Iwai, K; Iyemori, T; Jin, H; Kataoka, R; Katoh, Y; Kikuchi, T; Kubo, Y; Kurita, S; Matsumoto, H; Mitani, T; Miyahara, H; Miyoshi, Y; Nagatsuma, T; Nakamizo, A; Nakamura, S; Nakata, H; Nishizuka, N; Otsuka, Y; Saito, S; Saito, S; Sakurai, T; Sato, T; Shimizu, T; Shinagawa, H; Shiokawa, K; Shiota, D; Takashima, T; Tao, C; Toriumi, S; Ueno, S; Watanabe, K; Watari, S; Yashiro, S; Yoshida, K; Yoshikawa, A
EARTH PLANETS AND SPACE 73 巻 ( 1 ) 2021年8月
Huang, F; Lei, J; Otsuka, Y; Luan, X; Liu, Y; Zhong, J; Dou, X
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 59 巻 ( 8 ) 頁: 6424 - 6430 2021年8月
Cheng, PH; Lin, C; Otsuka, Y; Liu, HL; Rajesh, PK; Chen, CH; Lin, JT; Chang, MT
EARTH PLANETS AND SPACE 73 巻 ( 1 ) 2021年5月
Medium-Scale Traveling Ionospheric Disturbances
Otsuka, Y
IONOSPHERE DYNAMICS AND APPLICATIONS 260 巻 頁: 421 - 437 2021年
Equatorial Plasma Bubble Occurrence Under Propagation of MSTID and MLT Gravity Waves
Takahashi, H; Wrasse, CM; Figueiredo, CAOB; Barros, D; Paulino, I; Essien, P; Abdu, MA; Otsuka, Y; Shiokawa, K
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125 巻 ( 9 ) 2020年9月
Shinbori, A; Otsuka, Y; Sori, T; Tsugawa, T; Nishioka, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125 巻 ( 7 ) 2020年7月
Sarudin, I; Hamid, NSA; Abdullah, M; Buhari, SM; Shiokawa, K; Otsuka, Y; Yatini, CY
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125 巻 ( 3 ) 2020年3月
Tsuchiya, S; Shiokawa, K; Otsuka, Y; Nakamura, T; Yamamoto, M; Connors, M; Schofield, I; Shevtsov, B; Poddelsky, I
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125 巻 ( 3 ) 2020年3月
Yadav, S; Shiokawa, K; Oyama, S; Otsuka, Y
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125 巻 ( 3 ) 2020年3月
Sori, T; Shinbori, A; Otsuka, Y; Tsugawa, T; Nishioka, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 12 ) 頁: 10376 - 10394 2019年12月
Yokota, K; Uchi, H; Uhara, H; Yoshikawa, S; Takenouchi, T; Inozume, T; Ozawa, K; Ihn, H; Fujisawa, Y; Qureshi, A; de Pril, V; Otsuka, Y; Weber, J; Yamazaki, N
JOURNAL OF DERMATOLOGY 46 巻 ( 12 ) 頁: 1197 - 1201 2019年12月
IpsDst of Dst Storms Applied to Ionosphere-Thermosphere Storms and Low-Latitude Aurora
Balan, N; Zhang, QH; Shiokawa, K; Skoug, R; Xing, ZY; Ram, ST; Otsuka, Y
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 11 ) 頁: 9552 - 9565 2019年11月
Shiokawa, K; Otsuka, Y; Connors, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 11 ) 頁: 9293 - 9301 2019年11月
Sakai, N; Uchida, K; Iihara, K; Satow, T; Ezura, M; Hyodo, A; Miyachi, S; Miyamoto, S; Nagai, Y; Nishimura, K; Toyoda, K; Yoshimura, S; Imamura, H; Sakai, C; Matsumaru, Y; Sakai, N; Iihara, K; Satow, T; Ezura, M; Hyodo, A; Miyachi, S; Miyamoto, S; Nagai, Y; Nishimura, K; Toyoda, K; Fujinaka, T; Higashi, T; Hirohata, M; Ishii, A; Imamura, H; Ito, Y; Kuwayama, N; Oishi, H; Matsumaru, Y; Matsumoto, Y; Nakahara, I; Sakai, C; Sugiu, K; Terada, T; Yoshimura, S; Sakai, N; Adachi, H; Ueno, Y; Yamagami, H; Imamura, H; Kunieda, T; Koyanagi, M; Kuramoto, Y; Todo, K; Ishikawa, T; Shigematsu, T; Yamamoto, S; Sato, S; Asai, K; Arimura, K; Tani, S; Mineharu, Y; Narumi, O; Ishii, A; Sakai, C; Ikeda, H; Kono, T; Matsumoto, Y; Kondo, R; Furui, E; Suzuki, I; Takahashi, T; Akiyama, T; Endo, H; Sato, K; Kageyama, Y; Ssawa, S; Niizuma, K; Yazawa, Y; Itabashi, R; Ezura, M; Kimura, N; Tsuboi, K; Sato, K; Nishimura, S; Sato, K; Osawa, S; Suzuki, I; Sugiu, K; Terai, Y; Tokunaga, K; Katsumata, A; Kusaka, N; Nishida, A; Kawada, S; Watanabe, K; Hishikawa, T; Hirashita, K; Itami, H; Ota, S; Sekihara, Y; Shimizu, N; Maeda, K; Matsumaru, Y; Izumoto, H; Tsuruta, W; Nakane, Y; Okumura, H; Hayakawa, M; Hirota, Y; Sato, M; Kamiya, Y; Watanabe, A; Amano, T; Aoki, M; Hyuga, T; Watanabe, D; Mori, K; Seida, M; Osanai, T; Hirohata, M; Takeuchi, M; Tsutsumi, M; Nii, K; Eto, H; Kazekawa, K; Aikawa, H; Onizuka, M; Yoshida, H; Sakamoto, K; Mizokami, T; Oishi, H; Iko, M; Nakai, K; Kin, S; Nonaka, T; Yonemasu, Y; Takahashi, A; Onda, T; Kogure, S; Ueda, R; Shimizu, T; Nomura, T; Yamamura, A; Hayashi, S; Nakahara, I; Nakamura, M; Furuichi, S; Iwamuro, Y; Ohta, T; Toyota, S; Furui, E; Watanabe, Y; Matsumoto, S; Ishibashi, R; Urabe, Y; Gomi, M; Fukushima, Y; Saka, M; Nakazawa, T; Matsuda, Y; Hyodo, A; Hori, Y; Shirato, M; Suzuki, K; Suzuki, S; Takigawa, T; Shimizu, N; Tanaka, Y; Takano, I; Satow, T; Iihara, K; Okazaki, T; Morita, K; Yamagami, H; Ito, K; Sugata, S; Hayakawa, M; Matsushige, T; Ishii, D; Ishikawa, T; Fukuda, K; Masuda, K; Hashimoto, T; Miyazaki, Y; Hamano, E; Maruyama, D; Nakajima, N; Okumura, H; Funatsu, N; Yoshimura, S; Kokuzawa, J; Enomoto, Y; Yoshida, Y; Egashira, Y; Takagi, T; Yamada, K; Ishiguro, M; Tsujimoto, M; Watarai, H; Yamauchi, K; Kitajima, H; Ishihara, H; Oka, F; Oku, T; Kumasaka, A; Harada, K; Morioka, J; Hattori, I; Morimoto, M; Ozaki, S; Kobanawa, S; Sasaki, M; Matsumaru, Y; Kawaguchi, K; Kawanishi, M; Shindo, A; Hayashi, N; Kawakita, K; Yano, T; Inukai, T; Okauchi, M; Kuroiwa, T; Shimizu, F; Shirakawa, M; Oonishi, H; Nakahara, T; Yamashita, K; Ohta, H; Kamata, I; Araki, H; Ogami, R; Hatano, T; Ishii, A; Hasegawa, H; Kunieda, T; Loyanagi, M; Yakenobu, Y; Yoshida, K; Ogino, E; Kikuchi, T; Takemoto, K; Yamana, N; Goto, M; Munemitsu, T; Yokoyama, Y; Chihara, H; Mineharu, Y; Ando, M; Saiki, M; Sekihara, Y; Murai, N; Yamao, Y; Ikeda, H; Hayashi, H; Waro, T; Sateshima, S; Arai, D; Sakai, N; Nakamura, M; Mizobe, T; Miyachi, S; Ikushima, I; Izumi, T; Matsubara, N; Haraguchi, K; Makiuchi, T; Hashimoto, K; Asai, T; Hyogo, T; Kataoka, T; Ogino, T; Imai, K; Takegami, T; Hamanaka, M; Yamada, T; Ikeda, N; Okamoto, T; Kano, T; Toi, H; Matsubara, S; Murao, K; Nakazawa, K; Takahashi, A; Nakajima, N; Iwamuro, Y; Ohta, T; Aketa, S; Takabatake, N; Kunieda, T; Fukuda, H; Takemoto, K; Miyake, K; Morioka, J; Yukawa, H; Akiyama, T; Konno, H; Nakahara, K; Nishio, M; Hiramatsu, H; Shibanai, K; Nishio, A; Yamauchi, S; Kondo, K; Hayasaki, K; Mitsuhashi, Y; Kawakami, T; Yamauchi, S; Mizuguchi, A; Demura, K; Satoh, K; Hanaoka, M; Manabe, S; Tamura, T; Kinouchi, T; Tsurukiri, J; Horie, N; Morikawa, M; Hayashi, K; Higashi, T; Morofuji, Y; Nakai, Y; Irie, S; Tsuruta, W; Takigawa, T; Matsumaru, Y; Sato, M; Ikeda, G; Nakazawa, K; Ayabe, J; Akaji, K; Iwai, T; Naito, I; Dembo, T; Ueda, R; Ishimori, H; Kimura, H; Suzuki, K; Fujinaka, T; Kajikawa, R; Nishida, T; Ohara, N; Sakaguchi, M; Nakamura, H; Tone, O; Shigeta, K; Yatsushige, H; Mohri, M; Uchiyama, N; Hamada, J; Misaki, K; Toma, N; Shibata, M; Sato, Y; Hayashi, K; Nonaka, T; Sakaida, H; Satomi, J; Manabe, S; Tamura, T; Tsurukiri, J; Fujimoto, K; Morishima, H; Ito, H; Terada, T; Wada, T; Onodera, H; Kuwayama, N; Tsumura, K; Nagao, S; Kiura, Y; Okazaki, T; Sakamoto, S; Sahara, Y; Shibukawa, M; Mitsuhara, T; Shinagawa, K; Hirashita, K; Matsushige, T; Ishii, D; Tsumoto, T; Yasumori, K; Uwatoko, T; Sambongi, Y; Tokunaga, S; Toma, N; Asakura, F; Sakaida, H; Sano, T; Umeda, Y; Nakatsuka, Y; Yamamoto, A; Miura, Y; Saka, M; Takayama, K; Nakagawa, H; Nakagawa, I; Shibata, Y; Wada, T; Naito, I; Miyamoto, N; Iwai, T; Takatama, S; Shimizu, T; Tomizawa, S; Wakabayashi, K; Matsumoto, M; Suyama, T; Ubagai, R; Itokawa, H; Okazaki, T; Fujimoto; Moriya, M; Kubota, S; Okamoto, N; Sato, D; Sasaki, T; Nagashima, H; Nomura, T; Kanemaru, K; Yagishita, T; Ohta, H; Ikushima, I; Isaka, F; Kuroiwa, T; Yamada, M; Oonishi, H; Uamada, Y; Ozawa, H; Kurata, A; Sasaki, M; Koguchi, Y; Yamauchi, T; Masuda, K; Tanaka, M; Kobayashi, S; Kobayashi, E; Suzuki, K; Kuroiwa, T; Oonishi, H; Hiramatsu, R; Shoda, D; Tamakawa, N; Tomokiyo, M; Manabe, S; Moroi, J; Yoshioka, S; Matsumoto, Y; Kitajima, H; Tenjin, H; Nanto, M; Osaka, Y; Higa, T; Niimi, Y; Onozuka, S; Katayama, M; Kagami, H; Iwabuchi, S; Hayashi, M; Yokouchi, T; Yamana, N; Toyota, S; Ohara, N; Nakamura, H; Nishida, T; Iito, O; Yamaguchi, S; Mase, M; Hashimoto, N; Ohno, T; Oomura, M; Yamada, K; Ushikoshi, S; Miyamoto, M; Yamaguchi, S; Ito, O; Uda, K; Yasumori, K; Ueno, Y; Kuramoto, Y; Shinoda, N; Tateshima, S; Sakai, C; Sakai, N; Momoji, J; Shimamura, N; Owada, K; Inoue, Y; Ebihara, K; Nakahara, I; Oishi, H; Hayasaka, M; Matsumoto, H; Takemoto, H; Hirohata, Y; Naito, I; Asakura, K; Shimaguchi, H; Wakabayashi, K; Sato, K; Sakamoto, M; Takeuchi, H; Uno, T; Mase, M; Aihara, N; Nishikawa, Y; Akiyama, Y; Ogino, E; Mitsuhashi, Y; Nishio, A; Yamauchi, S; Takahashi, T; Matsumoto, Y; Morishima, H; Ooshima, K; Maekawa, M; Morioka, J; Watanabe, S; Sakata, Y; Ohashi, M; Hayashi, N; Kawanishi, M; Shindo, A; Yano, T; Ogata, A; Takase, Y; Takada, T; Otsuka, Y; Ueda, T; Nogoshi, S; Takeuchi, H; Arakawa, H; Sugawara, T; Ozaki, S; Ichikawa, T; Okamoto, T; Munemitsu, T; Saiki, M; Ueba, Y; Yoshida, Y; Kominami, S; Suzuki, M; Watanabe, A; Kikuchi, O; Wada, H; Sakurai, J; Takata, H; Shiraga, S; Terada, T; Morishima, H; Koyama, S; Wakui, D; Onodera, H; Ooshima, K; Tsuji, A; Tanaka, T; Higuchi, K; Uchida, K; Shirakawa, M; Maeno, K; Tanaka, Y; Kojima, A; Suzuki, M; Watanabe, A; Srivatanakul, K; Tanoue, S; Okahara, M; Kashiwagi, J; Kiyosue, H; Sagara, Y; Shimada, R; Yoshioka, T; Sambongi, Y; Negoro, M; Miyasaki, A; Hamasaki, O; Takabatake, Y; Handa, A; Higuchi, K; Hamada, K; Ichihashi, T; Fukazawa, S; Nonaka, Y; Shojima, M; Kato, T; Kaku, Y; Sakai, H; Fukui, K; Mina-Mide, H; Suyama, T; Kobayashi, J; Ohara, N; Takeda, N; Ota, S; Arai, M; Uemura, A; Fukui, N; Fujimura, N; Uchiyama, N; Mohri, M; Higashi, R; Misaki, K; Sugiura, Y; Watanabe, K; Yamazaki, S; Munemitsu, T; Murai, N; Miyakoshi, A; Yamao, Y; Yoshida, Y; Yamaura, I; Minami, H; Matsumoto, H; Masuda, A; Hara, Y; Iihara, K; Suyama, Y; Yamasaki, H; Ishii, Y; Wakabayashi, S; Tanoue, S; Kubo, T; Tsutsumi, M; Shimada, A; Oura, Y; Fujita, A; Kimoto, A; Abe, H; Takemoto, H; Okada, H; Yoshimura, R; Obata, Y; Yoshino, Y; Kawano, Y; Matsumoto, K; Mutoh, T; Dehara, M; Kubota, T; Kawarabuki, K; Shirato, M; Asano, T; Sagara, Y; Shibuya, T; Suma, T; Amari, K; Oishi, H; Yamamoto, M; Iihoshi, S; Miyata, K; Fukasaku, K; Tamaki, R; Nishio, M; Kojima, T; Maekawa, H; Yanaka, M; Okawa, M; Iwaasa, M; Goda, M; Kubo, T; Hirai, M; Yamada, M; Yoshino, Y; Nemoto, S; Kuwayama, N; Yamamoto, H; Akioka, N; Nakayama, H; Nakabayashi, K
NEUROLOGIA MEDICO-CHIRURGICA 59 巻 ( 3 ) 頁: 106 - 115 2019年3月
Spatiotemporal development of pulsating auroral patch associated with discrete chorus elements: Arase and PWING observations
Ozaki M., Shiokawa K., Miyoshi Y., Hosokawa K., Oyama S., Yagitani S., Kasahara Y., Kasaba Y., Matsuda S., Kataoka R., Ebihara Y., Ogawa Y., Otsuka Y., Kurita S., Moore R. C., Tanaka Y. -M., Nose M., Nagatsuma T., Connors M., Nishitani N., Hikishima M., Kumamoto A., Tsuchiya F., Kadokura A., Nishiyama T., Inoue T., Imamura K., Matsuoka A., Shinohara I.
2019 URSI ASIA-PACIFIC RADIO SCIENCE CONFERENCE (AP-RASC) 2019年
Spatial and Temporal Characteristics of Ionospheric Total Electron Content over Indian Equatorial and Low-Latitude GNSS Stations
Sivavaraprasad G., Otsuka Yuichi, Tripathi Nitin Kumar, Chowdhary V. Rajesh, Ratnam D. Venkata, Khan Mohammed Afzal
2018 CONFERENCE ON SIGNAL PROCESSING AND COMMUNICATION ENGINEERING SYSTEMS (SPACES) 頁: 105 - 108 2018年
Observations of Ultrawideband Signals in GPS TEC Variations over Europe during Solar Eclipse
Panasenko Sergii V., Chernogor Leonid F., Lazorenko Oleg V., Otsuka Yuichi, van de Kamp Max
2018 9TH INTERNATIONAL CONFERENCE ON ULTRAWIDEBAND AND ULTRASHORT IMPULSE SIGNALS (UWBUSIS) 頁: 115 - 118 2018年
Temporal and spatial variations of mid-latitude ionospheric trough during a geomagnetic storm based on global GNSS-TEC and Arase satellite observations
Shinbori Atsuki, Otsuka Yuichi, Tsugawa Takuya, Nishioka Michi, Kumamoto Atsushi, Tsuchia Fuminori, Matsuda Shoya, Kasahara Yoshiya
2018 2ND URSI ATLANTIC RADIO SCIENCE MEETING (AT-RASC) 2018年
STATISTICAL ANALYSIS OF THE OCCURRENCES OF MSTIDs OBSERVED BY ALL-SKY IMAGER IN LOW MAGNETIC LATITUDE
Ednofri, Wu Falin, Otsuka Yuichi, Ishii Mamoru, Marlia Dessi, Zhao Yan
2017 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) 頁: 4425 - 4428 2017年
On the effect of thermospheric neutral winds on post-midnight field-aligned irregularities at low latitudes
Dao Tam, Otsuka Yuichi, Shiokawa Kazuo, Nishioka Michi, Yamamoto Mamoru, Buhari Suhaila M., Abdullah Mardina, Husin Asnawi
2017 XXXIIND GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM OF THE INTERNATIONAL UNION OF RADIO SCIENCE (URSI GASS) 2017年
Nishio, R; Shinke, T; Morino, Y; Tanabe, K; Furuya, J; Takizawa, K; Ako, J; Kozuma, K; Hibi, K; Ishii, H; Hirohata, A; Otsuka, Y; Otake, H; Takaya, T; Hirata, K
INTERNATIONAL HEART JOURNAL 56 巻 ( 4 ) 頁: 389 - 394 2015年7月
Micro-source development for XMASS experiment
Kim, NY; Abe, K; Hieda, K; Hiraid, K; Hirano, S; Kishimoto, Y; Kobayashi, K; Moriyama, S; Nakagawa, K; Nakahata, M; Nishiie, H; Ogawa, H; Oka, N; Sekiya, H; Shinozaki, A; Suzuki, Y; Takeda, A; Takachio, O; Ueshima, K; Umemoto, D; Yamashita, M; Yang, BS; Tasaka, S; Liu, J; Martens, K; Hosokawa, K; Miuchi, K; Murata, A; Onishi, Y; Otsuka, Y; Takeuchi, Y; Kim, YH; Lee, KB; Lee, MK; Lee, JS; Fukuda, Y; Itow, Y; Nishitani, Y; Masuda, K; Takiya, H; Uchida, H; Kim, YD; Kusaba, F; Motoki, D; Nishijima, K; Fujii, K; Murayama, I; Nakamura, S
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 784 巻 頁: 499 - 503 2015年6月
Climatology of Equatorial Plasma Bubble Observed by MyRTKnet over the Years 2008-2013
Buhari S. M., Abdullah M., Yokoyama T., Hasbi A. M., Otsuka Y., Nishioka M., Bahari S. A., Tsugawa T.
2015 INTERNATIONAL CONFERENCE ON SPACE SCIENCE AND COMMUNICATION (ICONSPACE) 頁: 101 - 105 2015年
GAST-D flight experiment results with disturbed and quiet ionospheric conditions
Saito Susumu, Yoshihara Takayuki, Kezuka Atsushi, Saitoh Shinji, Fukushima Sonosuke, Otsuka Yuichi
PROCEEDINGS OF THE 28TH INTERNATIONAL TECHNICAL MEETING OF THE SATELLITE DIVISION OF THE INSTITUTE OF NAVIGATION (ION GNSS+ 2015) 頁: 1494 - 1499 2015年
Direct observations of blob deformation during a substorm
Ishida T., Ogawa Y., Kadokura A., Hosokawa K., Otsuka Y.
ANNALES GEOPHYSICAE 33 巻 ( 5 ) 頁: 525 - 530 2015年
Search for Bosonic Superweakly Interacting Massive Dark Matter Particles with the XMASS-I Detector
Abe, K; Hieda, K; Hiraide, K; Hirano, S; Kishimoto, Y; Ichimura, K; Kobayashi, K; Moriyama, S; Nakagawa, K; Nakahata, M; Ogawa, H; Oka, N; Sekiya, H; Shinozaki, A; Suzuki, Y; Takeda, A; Takachio, O; Umemoto, D; Yamashita, M; Yang, BS; Tasaka, S; Liu, J; Martens, K; Hosokawa, K; Miuchi, K; Murata, A; Onishi, Y; Otsuka, Y; Takeuchi, Y; Kim, YH; Lee, KB; Lee, MK; Lee, JS; Fukuda, Y; Itow, Y; Masuda, K; Takiya, H; Uchida, H; Kim, NY; Kim, YD; Kusaba, F; Nishijima, K; Fujii, K; Murayama, I; Nakamura, S
PHYSICAL REVIEW LETTERS 113 巻 ( 12 ) 2014年9月
Search for inelastic WIMP nucleus scattering on Xe-129 in data from the XMASS-I experiment
Uchida H., Abe K., Hieda K., Hiraide K., Hirano S., Ichimura K., Kishimoto Y., Kobayashi K., Moriyama S., Nakagawa K., Nakahata M., Ogawa H., Oka N., Sekiya H., Shinozaki A., Suzuki Y., Takeda A., Takachio O., Umemoto D., Yamashita M., Yang B. S., Tasaka S., Liu J., Martens K., Hosokawa K., Miuchi K., Murata A., Onishi Y., Otsuka Y., Takeuchi Y., Kim Y. H., Lee K. B., Lee M. K., Lee J. S., Fukuda Y., Itow Y., Masuda K., Nishitani Y., Takiya H., Kim N. Y., Kim Y. D., Kusaba F., Nishijima K., Fujii K., Murayama I., Nakamura S.
PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS 2014 巻 ( 6 ) 2014年6月
The observation of equatorial plasma bubble using all sky imager and GPS TEC measurement
Buhari Suhaila M., Abdullah Mardina, Hasbi Alina Marie, Otsuka Yuichi, Bahari Siti Aminah, Mokhtar Mohd Hezri, Nishioka Michi, Tsugawa Takuya
2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS) 2014年
Two-dimensional structure of equatorial plasma bubble observed using GPS networks in South East Asia region
Buhari Suhaila M., Abdullah Mardina, Hasbi Alina Marie, Otsuka Yuichi
2014 INTERNATIONAL CONFERENCE ON ELECTRONICS, INFORMATION AND COMMUNICATIONS (ICEIC) 2014年
Typhoon-induced concentric airglow structures in the mesopause region
Suzuki S., Vadas S. L., Shiokawa K., Otsuka Y., Kawamura S., Murayama Y.
GEOPHYSICAL RESEARCH LETTERS 40 巻 ( 22 ) 頁: 5983 - 5987 2013年11月
Abe, K; Hieda, K; Hiraide, K; Hirano, S; Kishimoto, Y; Kobayashi, K; Moriyama, S; Nakagawa, K; Nakahata, M; Nishiie, H; Ogawa, H; Oka, N; Sekiya, H; Shinozaki, A; Suzuki, Y; Takeda, A; Takachio, O; Ueshima, K; Umemoto, D; Yamashita, M; Yang, BS; Tasaka, S; Liu, J; Martens, K; Hosokawa, K; Miuchi, K; Murata, A; Onishi, Y; Otsuka, Y; Takeuchi, Y; Kim, YH; Lee, KB; Lee, MK; Lee, JS; Fukuda, Y; Itow, Y; Nishitani, Y; Masuda, K; Takiya, H; Uchida, H; Kim, NY; Kim, YD; Kusaba, F; Motoki, D; Nishijima, K; Fujii, K; Murayama, I; Nakamura, S
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 716 巻 頁: 78 - 85 2013年7月
Abe, K; Hieda, K; Hiraide, K; Hirano, S; Kishimoto, Y; Kobayashi, K; Moriyama, S; Nakagawa, K; Nakahata, M; Ogawa, H; Oka, N; Sekiya, H; Shinozaki, A; Suzuki, Y; Takeda, A; Takachio, O; Ueshima, K; Umemoto, D; Yamashita, M; Yang, BS; Tasaka, S; Liu, J; Martens, K; Hosokawa, K; Miuchi, K; Murata, A; Onishi, Y; Otsuka, Y; Takeuchi, Y; Kim, YH; Lee, KB; Lee, MK; Lee, JS; Fukuda, Y; Itow, Y; Masuda, K; Nishitani, Y; Takiya, H; Uchida, H; Kim, NY; Kim, YD; Kusaba, F; Motoki, D; Nishijima, K; Fujii, K; Murayama, I; Nakamura, S
PHYSICS LETTERS B 719 巻 ( 1-3 ) 頁: 78 - 82 2013年2月
Ozeki, Y; Otsuka, Y; Sato, S; Hashimoto, H; Umemura, W; Sumimura, K; Nishizawa, N; Fukui, K; Itoh, K
MULTIPHOTON MICROSCOPY IN THE BIOMEDICAL SCIENCES XIII 8588 巻 2013年
Small-scale ionospheric delay variation associated with plasma bubbles studied with GNSS and optical measurements and its impact on GBAS
Saito S., Yoshihara T., Otsuka Y.
PROCEEDINGS OF THE 26TH INTERNATIONAL TECHNICAL MEETING OF THE SATELLITE DIVISION OF THE INSTITUTE OF NAVIGATION (ION GNSS 2013) 頁: 1869 - 1874 2013年
High-speed molecular spectral imaging of tissue with stimulated Raman scattering
Ozeki, Y; Umemura, W; Otsuka, Y; Satoh, S; Hashimoto, H; Sumimura, K; Nishizawa, N; Fukui, K; Itoh, K
NATURE PHOTONICS 6 巻 ( 12 ) 頁: 844 - 850 2012年12月
A comparative study of equatorial daytime vertical E x B drift in the Indian and Indonesian sectors based on 150 km echoes
Patra A. K., Chaitanya P. Pavan, Mizutani N., Otsuka Y., Yokoyama T., Yamamoto M.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年11月
Observation of equatorial nighttime medium-scale traveling ionospheric disturbances in 630-nm airglow images over 7 years
Fukushima D., Shiokawa K., Otsuka Y., Ogawa T.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年10月
Motion of high-latitude nighttime medium-scale traveling ionospheric disturbances associated with auroral brightening
Shiokawa K., Mori M., Otsuka Y., Oyama S., Nozawa S.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年10月
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
Significance of C4d deposition in antibody-mediated rejection
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
GPS total electron content variations associated with poleward moving Sun-aligned arcs
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
Polarization of Pc1/EMIC waves and related proton auroras observed at subauroral latitudes
Nomura R., Shiokawa K., Sakaguchi K., Otsuka Y., Connors M.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年2月
Ionospheric and thermospheric storms at equatorial latitudes observed by CHAMP, ROCSAT, and DMSP
Balan N., Liu J. Y., Otsuka Y., Ram S. Tulasi, Luehr H.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年1月
On postmidnight low-latitude ionospheric irregularities during solar minimum: 2. C/NOFS observations and comparisons with the Equatorial Atmosphere Radar
Yokoyama T., Pfaff R. F., Roddy P. A., Yamamoto M., Otsuka Y.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年11月
New aspects of thermospheric and ionospheric storms revealed by CHAMP
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
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
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
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
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
Yoshioka, H; Tsuchiizu, M; Otsuka, Y; Seo, H
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 79 巻 ( 9 ) 2010年9月
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Quantum dot sensitized solar cells
Tachibana, Y; Akiyama, HY; Umekita, K; Otsuka, Y; Torimoto, T; Kuwabata, S
2008 2ND IEEE INTERNATIONAL NANOELECTRONICS CONFERENCE, VOLS 1-3 頁: 160 - + 2008年
Efficacy of STI571 for a patient with metastatic gastrointestinal stromal tumor
Sasaki, Y; Niwa, Y; Ando, N; Otsuka, Y; Ohmiya, N; Hirooka, Y; Itoh, A; Furuta, S; Goto, H
HEPATO-GASTROENTEROLOGY 52 巻 ( 66 ) 頁: 1764 - 1767 2005年11月
Inhibition of platelet adherence to mononuclear cells by alpha-tocopherol - Role of P-selectin
Murohara T, Ikeda H, Otsuka Y, Aoki M, Haramaki N, Katoh A, Takajo Y, Imaizumi T
CIRCULATION 110 巻 ( 2 ) 頁: 141 - 148 2004年7月
Usefulness of magnifying endoscopy in the diagnosis of early gastric cancer
Otsuka, Y; Niwa, Y; Ohmiya, N; Ando, N; Ohashi, A; Hirooka, Y; Goto, H
ENDOSCOPY 36 巻 ( 2 ) 頁: 165 - 169 2004年2月
Novel gene encoding a Ca2+-binding protein and under hexokinase-dependent sugar regulation
Otsuki S, Ikeda A, Sunako T, Muto S, Yazaki J, Nakamura K, Fujii F, Shimbo K, Otsuka Y, Yamamoto K, Sakata K, Sasaki T, Kishimoto N, Kikuchi S, Yamaguchi J
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY 67 巻 ( 2 ) 頁: 347 - 353 2003年2月
Vitamin E inhibits lysophosphatidylcholine-induced endothelial dysfunction and platelet activation
Murohara, T; Ikeda, H; Katoh, A; Takajo, Y; Otsuka, Y; Haramaki, N; Imaizumi, T
ANTIOXIDANTS & REDOX SIGNALING 4 巻 ( 5 ) 頁: 791 - 798 2002年10月
Kawabata, K; Nakai, S; Miwa, M; Sugiura, T; Otsuka, Y; Shinzato, T; Hiki, Y; Tomimatsu, I; Ushida, Y; Hosono, F; Maeda, K
NEPHRON 90 巻 ( 4 ) 頁: 391 - 400 2002年4月
Kawabata, K; Nakai, S; Miwa, M; Sugiura, T; Otsuka, Y; Shinzato, T; Hiki, Y; Tomimatsu, I; Ushida, Y; Hosono, F; Maeda, K
NEPHRON 90 巻 ( 3 ) 頁: 273 - 281 2002年3月
Numerical simulation of gas flow through sand core
Maeda, Y; Nomura, H; Otsuka, Y; Tomishige, H; Mori, Y
INTERNATIONAL JOURNAL OF CAST METALS RESEARCH 15 巻 ( 4 ) 頁: 441 - 444 2002年
Imaging observations of midlatitude ionospheric disturbances during the geomagnetic storm of February 12, 2000
Sahai Y, Shiokawa K, Otsuka Y, Ihara C, Ogawa T, Igarashi K, Miyazaki S, Saito A
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 106 巻 ( A11 ) 頁: 24481 - 24492 2001年11月
CD31 expression on leukocytes is downregulated in vivo during hemodialysis
Kawabata, K; Nakai, S; Miwa, M; Sugiura, T; Otsuka, Y; Shinzato, T; Hiki, N; Tomimatsu, I; Ushida, Y; Hosono, F; Maeda, K
NEPHRON 89 巻 ( 2 ) 頁: 153 - 160 2001年10月
The assessment of vertical and lateral invasion of early gastric cancer by magnifying endoscopy
Otsuka, Y; Goto, H; Niwa, Y; Ohmiya, N; Kamiya, K; Sakata, T; Ando, N; Ito, B; Sasaki, Y; Hayakawa, T
GASTROINTESTINAL ENDOSCOPY 53 巻 ( 5 ) 頁: AB212 - AB212 2001年4月
The assessment of vertical and lateral invasion of early gastric cancer by magnifying endoscopy
Otsuka Y, Goto H, Niwa Y, Ohmiya N, Kamiya K, Sakata T, Ando N, Ito B, Sasaki Y, Hayakawa T
GASTROINTESTINAL ENDOSCOPY 53 巻 ( 5 ) 頁: AB212 - AB212 2001年4月
Ando, N; Goto, H; Niwa, Y; Hirooka, Y; Koijima, S; Hosoi, T; Shinkai, M; Sakata, T; Otsuka, Y; Hayakawa, T
GASTROINTESTINAL ENDOSCOPY 51 巻 ( 4 ) 頁: AB162 - AB162 2000年4月
Maheswaran, VK; Otsuka, Y; Baskaradas, JA; Devanaboyina, VR; Subramanian, S; Shinbori, A; Sori, T; Nishioka, M; Perwitasari, S
EARTH PLANETS AND SPACE 76 巻 ( 1 ) 2024年6月
Sun, WJ; Li, GZ; Zhang, SR; Hu, LH; Dai, GF; Zhao, BQ; Otsuka, Y; Zhao, XK; Xie, HY; Li, Y; Ning, BQ; Liu, LB; Shinbori, A; Nishioka, M; Perwitasari, S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 129 巻 ( 6 ) 2024年6月
Sato, M; Shiokawa, K; Oyama, S; Otsuka, Y; Shinbori, A; Oksanen, A
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 129 巻 ( 4 ) 2024年4月
Fu, WZ; Otsuka, Y; Shinbori, A; Nishioka, M; Perwitasari, S
EARTH PLANETS AND SPACE 76 巻 ( 1 ) 2024年1月
Emmela, S; Ratnam, DV; Otsuka, Y; Shinbori, A; Sori, T; Nishioka, M; Perwitasari, S
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 62 巻 頁: 1 - 8 2024年
Takuma Tsuboi, Kazuo Shiokawa, Yuichi Otsuka, Hatsuki Fujinami, Takuji Nakamura
Journal of Geophysical Research: Space Physics 128 巻 ( 12 ) 2023年12月
Stephen Tete, Yuichi Otsuka, Waheed K. Zahra, Ayman Mahrous
Advances in Space Research 2023年12月
Shinbori, A; Otsuka, Y; Sori, T; Nishioka, M; Septi, P; Tsuda, T; Nishitani, N; Kumamoto, A; Tsuchiya, F; Matsuda, S; Kasahara, Y; Matsuoka, A; Nakamura, S; Miyoshi, Y; Shinohara, I
EARTH PLANETS AND SPACE 75 巻 ( 1 ) 頁: 175 2023年11月
Nakata, H; Hosokawa, K; Saito, S; Otsuka, Y; Tomizawa, I
EARTH PLANETS AND SPACE 75 巻 ( 1 ) 2023年10月
Takuma Tsuboi, Kazuo Shiokawa, Yuichi Otsuka, Hatsuki Fujinami, Takuji Nakamura, David Neudegg
Journal of Geophysical Research: Space Physics 128 巻 ( 8 ) 2023年8月
Hirai, A; Tsuchiya, F; Obara, T; Katoh, Y; Miyoshi, Y; Shiokawa, K; Kasaba, Y; Misawa, H; Jun, CW; Kurita, S; Connors, MG; Hendry, AT; Shinbori, A; Otsuka, Y; Tsugawa, T; Nishioka, M; Perwitasari, S; Manweiler, JW
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 8 ) 2023年8月
Sori, T; Shinbori, A; Otsuka, Y; Nishioka, M; Perwitasari, S; Nishitani, N
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 4 ) 2023年4月
Statistical analysis for EUV dynamic spectra and their impact on the ionosphere during solar flares 査読有り
Nishimoto, S; Watanabe, K; Jin, H; Kawai, T; Imada, S; Kawate, T; Otsuka, Y; Shinbori, A; Tsugawa, T; Nishioka, M
EARTH PLANETS AND SPACE 75 巻 ( 1 ) 2023年3月
Sori, T; Shinbori, A; Otsuka, Y; Nishioka, M; Perwitasari, S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 3 ) 2023年3月
Kawai, K; Shiokawa, K; Otsuka, Y; Oyama, S; Connors, MG; Kasahara, Y; Kasaba, Y; Nakamura, S; Tsuchiya, F; Kumamoto, A; Shinbori, A; Matsuoka, A; Shinohara, I; Miyoshi, Y
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 2 ) 2023年2月
Liu, J; Shiokawa, K; Oyama, SI; Otsuka, Y; Jun, CW; Nose, M; Nagatsuma, T; Sakaguchi, K; Kadokura, A; Ozaki, M; Connors, M; Baishev, D; Nishitani, N; Oinats, A; Kurkin, V; Raita, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128 巻 ( 1 ) 2023年1月
Emmela, S; Ratnam, DV; Otsuka, Y; Shinbori, A; Sori, T; Nishioka, M; Perwitasari, S
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 20 巻 頁: 1 - 5 2023年
Sori, T; Otsuka, Y; Shinbori, A; Nishioka, M; Perwitasari, S
EARTH PLANETS AND SPACE 74 巻 ( 1 ) 2022年8月
Iyemori, T; Nishioka, M; Otsuka, Y; Shinbori, A
EARTH PLANETS AND SPACE 74 巻 ( 1 ) 2022年6月
Sivakandan, M; Martinis, C; Otsuka, Y; Chau, JL; Norrell, J; Mielich, J; Conte, JF; Stolle, C; Rodríguez-Zuluaga, J; Shinbori, A; Nishioka, M; Tsugawa, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 127 巻 ( 5 ) 2022年5月
Sori, T; Shinbori, A; Otsuka, Y; Tsugawa, T; Nishioka, M; Yoshikawa, A
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 127 巻 ( 5 ) 2022年5月
Matsushima, R; Hosokawa, K; Sakai, J; Otsuka, Y; Ejiri, MK; Nishioka, M; Tsugawa, T
EARTH PLANETS AND SPACE 74 巻 ( 1 ) 2022年4月
Shinbori, A; Otsuka, Y; Sori, T; Tsugawa, T; Nishioka, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 127 巻 ( 1 ) 2022年1月
Perwitasari, S; Nakamura, T; Tsugawa, T; Nishioka, M; Tomikawa, Y; Ejiri, MK; Kogure, M; Otsuka, Y; Shinbori, A; Jin, H; Tao, C
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 127 巻 ( 1 ) 2022年1月
Hashimoto, K; Shinbori, A; Otsuka, Y; Tsuchiya, F; Kumamoto, A; Kasahara, Y; Matsuoka, A; Nagano, I; Miyoshi, Y; Yokoyama, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 11 ) 2021年11月
Kim, H; Shiokawa, K; Park, J; Miyoshi, Y; Miyashita, Y; Stolle, C; Connor, HK; Hwang, J; Buchert, S; Kwon, HJ; Nakamura, S; Nakamura, K; Oyama, SI; Otsuka, Y; Nagatsuma, T; Sakaguchi, K
GEOPHYSICAL RESEARCH LETTERS 48 巻 ( 18 ) 2021年9月
Otsuka, Y; Shinbori, A; Sori, T; Tsugawa, T; Nishioka, M; Huba, JD
EARTH AND PLANETARY PHYSICS 5 巻 ( 5 ) 頁: 427 - 434 2021年9月
Takahashi, H; Essien, P; Figueiredo, CAO; Wrasse, CM; Barros, D; Abdu, MA; Otsuka, Y; Shiokawa, K; Li, GZ
EARTH AND PLANETARY PHYSICS 5 巻 ( 5 ) 頁: 368 - 377 2021年9月
Kawai, K; Shiokawa, K; Otsuka, Y; Oyama, S; Kasaba, Y; Kasahara, Y; Tsuchiya, F; Kumamoto, A; Nakamura, S; Matsuoka, A; Imajo, S; Kazama, Y; Wang, SY; Tam, SWY; Chang, TF; Wang, BJ; Asamura, K; Kasahara, S; Yokota, S; Keika, K; Hori, T; Miyoshi, Y; Jun, C; Shoji, M; Shinohara, I
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 9 ) 2021年9月
Panasenko, SV; Kotov, DV; Otsuka, Y; Yamamoto, M; Hashiguchi, H; Richards, PG; Truhlik, V; Bogomaz, OV; Shulha, MO; Zhivolup, TG; Domnin, IF
PROGRESS IN EARTH AND PLANETARY SCIENCE 8 巻 ( 1 ) 2021年8月
Hosokawa, K; Nagata, M; Shiokawa, K; Otsuka, Y
POLAR SCIENCE 28 巻 2021年6月
Sori, T; Shinbori, A; Otsuka, Y; Tsugawa, T; Nishioka, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 5 ) 2021年5月
Nakamura, K; Shiokawa, K; Otsuka, Y; Shinbori, A; Miyoshi, Y; Connors, M; Spence, H; Reeves, G; Funsten, HO; MacDowall, R; Smith, C; Wygant, J; Bonnell, J
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 5 ) 2021年5月
Sarudin, I; Hamid, NSA; Abdullah, M; Buhari, SM; Shiokawa, K; Otsuka, Y; Hozumi, K; Jamjareegulgarn, P
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 5 ) 2021年5月
Watanabe, K; Jin, H; Nishimoto, S; Imada, S; Kawai, T; Kawate, T; Otsuka, Y; Shinbori, A; Tsugawa, T; Nishioka, M
EARTH PLANETS AND SPACE 73 巻 ( 1 ) 2021年4月
Inaba, Y; Shiokawa, K; Oyama, S; Otsuka, Y; Connors, M; Schofield, I; Miyoshi, Y; Imajo, S; Shinbori, A; Gololobov, AY; Kazama, Y; Wang, SY; Tam, SWY; Chang, TF; Wang, BJ; Asamura, K; Yokota, S; Kasahara, S; Keika, K; Hori, T; Matsuoka, A; Kasahara, Y; Kumamoto, A; Matsuda, S; Kasaba, Y; Tsuchiya, F; Shoji, M; Kitahara, M; Nakamura, S; Shinohara, I; Spence, HE; Reeves, GD; Macdowall, RJ; Smith, CW; Wygant, JR; Bonnell, JW
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 4 ) 2021年4月
Narayanan, VL; Nozawa, S; Oyama, SI; Mann, I; Shiokawa, K; Otsuka, Y; Saito, N; Wada, S; Kawahara, TD; Takahashi, T
ATMOSPHERIC CHEMISTRY AND PHYSICS 21 巻 ( 4 ) 頁: 2343 - 2361 2021年2月
Sivakandan, M; Otsuka, Y; Ghosh, P; Shinagawa, H; Shinbori, A; Miyoshi, Y
EARTH PLANETS AND SPACE 73 巻 ( 1 ) 2021年2月
Multi-Wavelength Imaging Observations of STEVE at Athabasca, Canada
Yadav, S; Shiokawa, K; Otsuka, Y; Connors, M; St Maurice, JP
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 2 ) 2021年2月
On the Generation of an Unseasonal EPB Over South East Asia
Currie, JL; Carter, BA; Retterer, J; Dao, T; Pradipta, R; Caton, R; Groves, K; Otsuka, Y; Yokoyama, T; Hozumi, K; Le Truong, T; Terkildsen, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126 巻 ( 2 ) 2021年2月
Otsuka, Y; Shinbori, A; Tsugawa, T; Nishioka, M
EARTH PLANETS AND SPACE 73 巻 ( 1 ) 2021年1月
Li, GZ; Ning, BQ; Otsuka, Y; Abdu, MA; Abadi, P; Liu, ZZ; Spogli, L; Wan, WX
SURVEYS IN GEOPHYSICS 42 巻 ( 1 ) 頁: 201 - 238 2021年1月
Inaba, Y; Shiokawa, K; Oyama, S; Otsuka, Y; Oksanen, A; Shinbori, A; Gololobov, AY; Miyoshi, Y; Kazama, Y; Wang, SY; Tam, SWY; Chang, TF; Wang, BJ; Yokota, S; Kasahara, S; Keika, K; Hori, T; Matsuoka, A; Kasahara, Y; Kumamoto, A; Kasaba, Y; Tsuchiya, F; Shoji, M; Shinohara, I; Stolle, C
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125 巻 ( 10 ) 2020年10月
Ram, ST; Ajith, KK; Yokoyama, T; Yamamoto, M; Hozumi, K; Shiokawa, K; Otsuka, Y; Li, G
GEOPHYSICAL RESEARCH LETTERS 47 巻 ( 13 ) 2020年7月
Ghosh, P; Otsuka, Y; Mani, S; Shinagawa, H
EARTH PLANETS AND SPACE 72 巻 ( 1 ) 2020年7月
Hosokawa, K; Takami, K; Saito, S; Ogawa, Y; Otsuka, Y; Shiokawa, K; Chen, CH; Lin, CH
EARTH PLANETS AND SPACE 72 巻 ( 1 ) 2020年5月
New observations of the total electron content and ionospheric scintillations over Ho Chi Minh city
Dao, T; Huy, ML; Carter, B; Le, Q; Trinh, TT; Phan, BN; Otsuka, Y
VIETNAM JOURNAL OF EARTH SCIENCES 42 巻 ( 4 ) 頁: 320 - 333 2020年
Abadi, P; Otsuka, Y; Supriadi, S; Olla, A
7TH INTERNATIONAL SEMINAR ON AEROSPACE SCIENCE AND TECHNOLOGY (ISAST 2019) 2226 巻 2020年
Capability of Geomagnetic Storm Parameters to Identify Severe Space Weather
Balan, N; Zhang, QH; Xing, ZY; Skoug, R; Shiokawa, K; Lühr, H; Ram, ST; Otsuka, Y; Zhao, LX
ASTROPHYSICAL JOURNAL 887 巻 ( 1 ) 2019年12月
Okoh, D; Seemala, G; Rabiu, B; Habarulema, JB; Jin, SG; Shiokawa, K; Otsuka, Y; Aggarwal, M; Uwamahoro, J; Mungufeni, P; Segun, B; Obafaye, A; Ellahony, N; Okonkwo, C; Tshisaphungo, M; Shetti, D
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 12 ) 頁: 10512 - 10532 2019年12月
Investigation of Spatiotemporal Morphology of Plasma Bubbles Based on EAR Observations 査読有り
Joshi, LM; Tsai, LC; Su, SY; Otsuka, Y; Yokoyama, T; Yamamoto, M; Sarkhel, S; Hozumi, K; Lu, CH
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 12 ) 頁: 10549 - 10563 2019年12月
Tsuchiya, S; Shiokawa, K; Fujinami, H; Otsuka, Y; Nakamura, T; Connors, M; Schofield, I; Shevtsov, B; Poddelskiy, I
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 10 ) 頁: 8110 - 8124 2019年10月
Panasenko, SV; Otsuka, Y; van de Kamp, M; Chernogor, LF; Shinbori, A; Tsugawa, T; Nishioka, M
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 191 巻 2019年9月
Xu, H; Shiokawa, K; Oyama, S; Otsuka, Y
EARTH PLANETS AND SPACE 71 巻 ( 1 ) 2019年8月
Koval, A; Chen, Y; Tsugawa, A; Otsuka, Y; Shinbori, A; Nishioka, M; Brazhenko, A; Stanislavsky, A; Konovalenko, A; Zhang, QH; Monstein, C; Gorgutsa, R
ASTROPHYSICAL JOURNAL 877 巻 ( 2 ) 2019年6月
Obana, Y; Maruyama, N; Shinbori, A; Hashimoto, KK; Fedrizzi, M; Nosé, M; Otsuka, Y; Nishitani, N; Hori, T; Kumamoto, A; Tsuchiya, F; Matsuda, S; Matsuoka, A; Kasahara, Y; Yoshikawa, A; Miyoshi, Y; Shinohara, I
SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS 17 巻 ( 6 ) 頁: 861 - 876 2019年6月
Spatiotemporal development of pulsating auroral patch associated with discrete chorus elements: Arase and PWING observations 査読有り
Ozaki, M, K. Shiokawa, Y. Miyoshi, K. Hosokawa, S. Oyama, S. Yagitani, Y. Kasahara, Y. Kasaba, S. Matsuda, R. Kataoka, Y. Ebihara, Y. Ogawa, Y. Otsuka, S. Kurita, R. C. Moore, Y.-M. Tanaka, M. Nosé, T. Nagatsuma, M. Connors, N. Nishitani, M. Hikishima, A. Kumamoto, F. Tsuchiya, A. Kadokura, T. Nishiyama, T. Inoue, K. Imamura, A. Matsuoka, I. Shinohara
2019 URSI ASIA-PACIFIC RADIO SCIENCE CONFERENCE (AP-RASC) 頁: 18776063 2019年6月
Ratnam, DV; Otsuka, Y; Sivavaraprasad, G; Dabbakuti, JRKK
ADVANCES IN SPACE RESEARCH 63 巻 ( 9 ) 頁: 2848 - 2856 2019年5月
Sivavaraprasad, G; Ratnam, DV; Otsuka, Y
JOURNAL OF NAVIGATION 72 巻 ( 3 ) 頁: 669 - 684 2019年5月
Huang, FQ; Otsuka, Y; Lei, JH; Luan, XL; Dou, XK; Li, GZ
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 3 ) 頁: 2312 - 2322 2019年3月
Moral, AC; Shiokawa, K; Suzuki, S; Liu, HX; Otsuka, Y; Yatini, CY
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124 巻 ( 3 ) 頁: 2198 - 2212 2019年3月
Visualization of rapid electron precipitation via chorus element wave-particle interactions 査読有り
Ozaki, M; Miyoshi, Y; Shiokawa, K; Hosokawa, K; Oyama, S; Kataoka, R; Ebihara, Y; Ogawa, Y; Kasahara, Y; Yagitani, S; Kasaba, Y; Kumamoto, A; Tsuchiya, F; Matsuda, S; Katoh, Y; Hikishima, M; Kurita, S; Otsuka, Y; Moore, RC; Tanaka, Y; Nosé, M; Nagatsuma, T; Nishitani, N; Kadokura, A; Connors, M; Inoue, T; Matsuoka, A; Shinohara, I
NATURE COMMUNICATIONS 10 巻 ( 1 ) 2019年1月
Implementation of Hybrid Ionospheric TEC Forecasting Algorithm Using PCA-NN Method 査読有り
Mallika, IL, Ratnam, DV, Ostuka, Y, Sivavaraprasad, G, Raman, S
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 12 巻 ( 1 ) 頁: 371 - 381 2019年1月
Kurita, S; Miyoshi, Y; Shiokawa, K; Higashio, N; Mitani, T; Takashima, T; Matsuoka, A; Shinohara, I; Kletzing, CA; Blake, JB; Claudepierre, SG; Connors, M; Oyama, S; Nagatsuma, T; Sakaguchi, K; Baishev, D; Otsuka, Y
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 23 ) 頁: 12720 - 12729 2018年12月
Ozaki, M; Shiokawa, K; Miyoshi, Y; Hosokawa, K; Oyama, S; Yagitani, S; Kasahara, Y; Kasaba, Y; Matsuda, S; Kataoka, R; Ebihara, Y; Ogawa, Y; Otsuka, Y; Kurita, S; Moore, RC; Tanaka, YM; Nosé, M; Nagatsuma, T; Connors, M; Nishitani, N; Katoh, Y; Hikishima, M; Kumamoto, A; Tsuchiya, F; Kadokura, A; Nishiyama, T; Inoue, T; Imamura, K; Matsuoka, A; Shinohara, I
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 22 ) 頁: 12125 - 12134 2018年11月
Takagi, Y; Shiokawa, K; Otsuka, Y; Connors, M; Schofield, I
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 21 ) 頁: 11539 - 11546 2018年11月
Otsuka, Y
PROGRESS IN EARTH AND PLANETARY SCIENCE 5 巻 2018年9月
Figueiredo, CAOB; Takahashi, H; Wrasse, CM; Otsuka, Y; Shiokawa, K; Barros, D
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123 巻 ( 9 ) 頁: 7843 - 7857 2018年9月
Storm-Enhanced Development of Postsunset Equatorial Plasma Bubbles Around the Meridian 120 degrees E/60 degrees W on 7-8 September 2017 査読有り
Li Guozhu, Ning Baiqi, Wang Chi, Abdu M. A., Otsuka Yuichi, Yamamoto M., Wu Jian, Chen Jinsong
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123 巻 ( 9 ) 頁: 7985 - 7998 2018年9月
Shinbori, A; Otsuka, Y; Tsugawa, T; Nishioka, M; Kumamoto, A; Tsuchiya, F; Matsuda, S; Kasahara, Y; Matsuoka, A; Ruohoniemi, JM; Shepherd, SG; Nishitani, N
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 15 ) 頁: 7362 - 7370 2018年8月
On the Role of Thermospheric Winds and Sporadic E Layers in the Formation and Evolution of Electrified MSTIDs in Geomagnetic Conjugate Regions 査読有り
Narayanan V. L., Shiokawa K., Otsuka Y., Neudegg D.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123 巻 ( 8 ) 頁: 6957 - 6980 2018年8月
Tsuchiya, S; Shiokawa, K; Fujinami, H; Otsuka, Y; Nakamura, T; Yamamoto, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123 巻 ( 8 ) 頁: 6930 - 6947 2018年8月
Chaitanya, PP; Patra, AK; Otsuka, Y; Yokoyama, T; Yamamoto, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123 巻 ( 8 ) 頁: 6752 - 6759 2018年8月
Quantum criticality in the metal-superconductor transition of interacting Dirac fermions on a triangular lattice 査読有り
Otsuka Yuichi, Seki Kazuhiro, Sorella Sandro, Yunoki Seiji
PHYSICAL REVIEW B 98 巻 ( 3 ) 2018年7月
Equatorial plasma bubble seeding by MSTIDs in the ionosphere 査読有り
Takahashi, H; Wrasse, CM; Figueiredo, CAOB; Barros, D; Abdu, MA; Otsuka, Y; Shiokawa, K
PROGRESS IN EARTH AND PLANETARY SCIENCE 5 巻 ( 1 ) 2018年6月
Total Electron Content Observations by Dense Regional and Worldwide International Networks of GNSS
Tsugawa Takuya, Nishioka Michi, Ishii Mamoru, Hozumi Kornyanat, Saito Susumu, Shinbori Atsuki, Otsuka Yuichi, Saito Akinori, Buhari Suhaila M., Abdullah Mardina, Supnithi Pornchai
JOURNAL OF DISASTER RESEARCH 13 巻 ( 3 ) 頁: 535-545 2018年6月
Total Electron Content Observations by Dense Regional and Worldwide International Networks of GNSS 査読有り
Tsugawa Takuya, Nishioka Michi, Ishii Mamoru, Hozumi Kornyanat, Saito Susumu, Shinbori Atsuki, Otsuka Yuichi, Saito Akinori, Buhari Suhaila M, Abdullah Mardina, Supnithi Pornchai
JOURNAL OF DISASTER RESEARCH 13 巻 ( 3 ) 頁: 535 - 545 2018年6月
Yamamoto, M; Otsuka, Y; Jin, H; Miyoshi, Y
PROGRESS IN EARTH AND PLANETARY SCIENCE 5 巻 2018年5月
Spatial and temporal characteristics of ionospheric total electron content over Indian equatorial and low-latitude GNSS stations 査読有り
G. Sivavaraprasad, Yuichi Otsuka, Nitin Kumar Tripathi, V Rajesh Chowdhary, D Venkata Ratnam, Mohammed Afzal Khan
2018 Conference on Signal Processing And Communication Engineering Systems, SPACES 2018 2018- 巻 頁: 105 - 108 2018年3月
Shinagawa, H; Jin, H; Miyoshi, Y; Fujiwara, H; Yokoyama, T; Otsuka, Y
PROGRESS IN EARTH AND PLANETARY SCIENCE 5 巻 2018年3月
Figueiredo, CAOB; Takahashi, H; Wrasse, CM; Otsuka, Y; Shiokawa, K; Barros, D
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123 巻 ( 3 ) 頁: 2215 - 2227 2018年3月
Daytime F-region irregularity triggered by rocket-induced ionospheric hole over low latitude 査読有り
Li, GZ; Ning, BQ; Abdu, MA; Wang, C; Otsuka, Y; Wan, WX; Lei, JH; Nishioka, M; Tsugawa, T; Hu, LH; Yang, GT; Yan, CX
PROGRESS IN EARTH AND PLANETARY SCIENCE 5 巻 ( 1 ) 2018年2月
Discovery of 1Hz Range Modulation of Isolated Proton Aurora at Subauroral Latitudes 査読有り
Ozaki, M; Shiokawa, K; Miyoshi, Y; Kataoka, R; Connors, M; Inoue, T; Yagitani, S; Ebihara, Y; Jun, CW; Nomura, R; Sakaguchi, K; Otsuka, Y; Uchida, HA; Schofield, I; Danskin, DW
GEOPHYSICAL RESEARCH LETTERS 45 巻 ( 3 ) 頁: 1209 - 1217 2018年2月
Observations of Ultrawideband Signals in GPS TEC Variations over Europe during Solar Eclipse 査読有り
Panasenko Sergii V, Chernogor Leonid F, Lazorenko Oleg V, Otsuka Yuichi, van de Kamp Max
2018 9TH INTERNATIONAL CONFERENCE ON ULTRAWIDEBAND AND ULTRASHORT IMPULSE SIGNALS (UWBUSIS) 頁: 115 - 118 2018年
Temporal and spatial variations of mid-latitude ionospheric trough during a geomagnetic storm based on global GNSS-TEC and Arase satellite observations 査読有り
2018 2ND URSI ATLANTIC RADIO SCIENCE MEETING (AT-RASC) 2018年
Okoh, D; Rabiu, B; Shiokawa, K; Otsuka, Y; Segun, B; Falayi, E; Onwuneme, S; Kaka, R
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122 巻 ( 12 ) 頁: 12430 - 12444 2017年12月
Shiokawa, K; Katoh, Y; Hamaguchi, Y; Yamamoto, Y; Adachi, T; Ozaki, M; Oyama, SI; Nosé, M; Nagatsuma, T; Tanaka, Y; Otsuka, Y; Miyoshi, Y; Kataoka, R; Takagi, Y; Takeshita, Y; Shinbori, A; Kurita, S; Hori, T; Nishitani, N; Shinohara, I; Tsuchiya, F; Obana, Y; Suzuki, S; Takahashi, N; Seki, K; Kadokura, A; Hosokawa, K; Ogawa, Y; Connors, M; Ruohoniemi, JM; Engebretson, M; Turunen, E; Ulich, T; Manninen, J; Raita, T; Kero, A; Oksanen, A; Back, M; Kauristie, K; Mattanen, J; Baishev, D; Kurkin, V; Oinats, A; Pashinin, A; Vasilyev, R; Rakhmatulin, R; Bristow, W; Karjala, M
EARTH PLANETS AND SPACE 69 巻 2017年11月
The Solar Flux Dependence of Ionospheric 150 km Radar Echoes and Implications 査読有り
Patra, AK; Chaitanya, PP; St-Maurice, JP; Otsuka, Y; Yokoyama, T; Yamamoto, M
GEOPHYSICAL RESEARCH LETTERS 44 巻 ( 22 ) 頁: 11257 - 11264 2017年11月
On the effect of thermospheric neutral winds on post-midnight field-aligned irregularities at low latitudes 査読有り
Tam Dao, Yuichi Otsuka, Kazuo Shiokawa, Michi Nishioka, Mamoru Yamamoto, Suhaila M. Buhari, Mardina Abdullah, Asnawi Husin
2017 32nd General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2017 2017- 巻 頁: 1 - 4 2017年11月
Fukushima, D; Shiokawa, K; Otsuka, Y; Kubota, M; Yokoyama, T; Nishioka, M; Komonjinda, S; Yatini, CY
EARTH PLANETS AND SPACE 69 巻 2017年11月
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
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
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
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
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
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
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
Detection of Plasma Bubble in Ionosphere using GPS Receivers in Southeast Asia 査読有り
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
Measurement of thermospheric temperatures using OMTI Fabry-Perot interferometers with 70-mm etalon 査読有り
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
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
Climatology of successive equatorial plasma bubbles observed by GPS ROTI over Malaysia 査読有り
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
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
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
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
Ionospheric TEC Weather Map Over South America 査読有り
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
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
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
Enhanced ionospheric plasma bubble generation in more active ITCZ 査読有り
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
Altitude development of postmidnight F region field-aligned irregularities observed using Equatorial Atmosphere Radar in Indonesia 査読有り
Tam Dao, Otsuka Yuichi, Shiokawa Kazuo, Ram S. Tulasi, Yamamoto Mamoru
GEOPHYSICAL RESEARCH LETTERS 43 巻 ( 3 ) 頁: 1015 - 1022 2016年2月
Pulsating proton aurora caused by rising tone Pc1 waves 査読有り
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
Ram, ST; Yokoyama, T; Otsuka, Y; Shiokawa, K; Sripathi, S; Veenadhari, B; Heelis, R; Ajith, KK; Gowtam, VS; Gurubaran, S; Supnithi, P; Le Huy, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 121 巻 ( 1 ) 頁: 538 - 548 2016年1月
ISS-IMAPによる大気光波状構造の観測
齊藤昭則, 穂積裕太, 坂野井健, S. Perwitasari, 吉川一朗, 山崎敦, 大塚雄一, 山本衛
第29回大気圏シンポジウム: 講演集録 2016年
TEC variation during high and low solar activities over South American sector 査読有り
Jonah, OF; de Paula, ER; Muella, MTAH; Dutra, SLG; Kherani, EA; Negreti, PMS; Otsuka, Y
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 135 巻 頁: 22 - 35 2015年12月
Ozaki, M; Yagitani, S; Sawai, K; Shiokawa, K; Miyoshi, Y; Kataoka, R; Ieda, A; Ebihara, Y; Connors, M; Schofield, I; Katoh, Y; Otsuka, Y; Sunagawa, N; Jordanova, VK
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120 巻 ( 11 ) 頁: 9617 - 9631 2015年11月
Perwitasari, S; Sakanoi, T; Yamazaki, A; Otsuka, Y; Hozumi, Y; Akiya, Y; Saito, A; Shiokawa, K; Kawamura, S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120 巻 ( 11 ) 頁: 9706 - 9721 2015年11月
Multi-instrument, high-resolution imaging of polar cap patch transportation 査読有り
Thomas, EG; Hosokawa, K; Sakai, J; Baker, JBH; Ruohoniemi, JM; Taguchi, S; Shiokawa, K; Otsuka, Y; Coster, AJ; St-Maurice, JP; McWilliams, KA
RADIO SCIENCE 50 巻 ( 9 ) 頁: 904 - 915 2015年9月
Plasma bubble monitoring by TEC map and 630 nm airglow image 査読有り
Takahashi, H; Wrasse, CM; Otsuka, Y; Ivo, A; Gomes, V; Paulino, I; Medeiros, AF; Denardini, CM; Sant'Anna, N; Shiokawa, K
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 130 巻 頁: 151 - 158 2015年8月
Statistical study of auroral fragmentation into patches 査読有り
Hashimoto, A; Shiokawa, K; Otsuka, Y; Oyama, S; Nozawa, S; Hori, T; Lester, M; Johnsen, MG
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120 巻 ( 8 ) 頁: 6207 - 6217 2015年8月
Ram, ST; Ajith, KK; Yamamoto, M; Otsuka, Y; Yokoyama, T; Niranjan, K; Gurubaran, S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120 巻 ( 7 ) 頁: 5922 - 5930 2015年7月
Abadi, P; Otsuka, Y; Tsugawa, T
EARTH PLANETS AND SPACE 67 巻 2015年5月
Airglow-imaging observation of plasma bubble disappearance at geomagnetically conjugate points 査読有り
Shiokawa, K; Otsuka, Y; Lynn, KJW; Wilkinson, P; Tsugawa, T
EARTH PLANETS AND SPACE 67 巻 頁: 1 - 12 2015年3月
Fukushima, D; Shiokawa, K; Otsuka, Y; Nishioka, M; Kubota, M; Tsugawa, T; Nagatsuma, T; Komonjinda, S; Yatini, CY
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120 巻 ( 3 ) 頁: 2222 - 2231 2015年3月
Ajith, KK; Ram, ST; Yamamoto, M; Yokoyama, T; Gowtam, VS; Otsuka, Y; Tsugawa, T; Niranjan, K
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 120 巻 ( 2 ) 頁: 1371 - 1382 2015年2月
CDF data archive and integrated data analysis platform for ERG-related ground data developed by ERG Science Center (ERG-SC) 査読有り
Hori, T, Y. Miyashita, Y. Miyoshi, K. Seki, T. Segawa, Y.-M. Tanaka, K. Keika, M. Shoji, I. Shinohara, K. Shiokawa, Y. Otsuka, S. Abe, A. Yoshikawa, K. Yumoto, Y. Obana, N. Nishitani, A. S. Yukimatu, T. Nagatsuma, M. Kunitake, K. Hosokawa, Y. Ogawa, K. T. Murata, M. Nosé, H. Kawano, T. Sakanoi
宇宙科学情報解析論文誌 JAXA-RR-14-009 巻 頁: 75 - 90 2015年
Climatology of Equatorial Plasma Bubble Observed by MyRTKnet over the Years 2008-2013 査読有り
S. M. Buhari, M. Abdullah, T. Yokoyama, A. M. Hasbi, Y. Otsuka, M. Nishioka, S. A. Bahari, T. Tsugawa
2015 INTERNATIONAL CONFERENCE ON SPACE SCIENCE AND COMMUNICATION (ICONSPACE) 頁: 101 - 105 2015年
GAST-D flight experiment results with disturbed and quiet ionospheric conditions 査読有り
Susumu Saito, Takayuki Yoshihara, Atsushi Kezuka, Shinji Saitoh, Sonosuke Fukushima, Yuichi Otsuka
PROCEEDINGS OF THE 28TH INTERNATIONAL TECHNICAL MEETING OF THE SATELLITE DIVISION OF THE INSTITUTE OF NAVIGATION (ION GNSS+ 2015) 頁: 1494 - 1499 2015年
Direct observations of blob deformation during a substorm 査読有り
T. Ishida, Y. Ogawa, A. Kadokura, K. Hosokawa, Y. Otsuka
ANNALES GEOPHYSICAE 33 巻 ( 5 ) 頁: 525 - 530 2015年
Long-term variation in the upper atmosphere as seen in the geomagnetic solar quiet daily variation 査読有り
Shinbori, A; Koyama, Y; Nose, M; Hori, T; Otsuka, Y; Yatagai, A
EARTH PLANETS AND SPACE 66 巻 2014年12月
CME front and severe space weather 査読有り
Balan, N; Skoug, R; Ram, ST; Rajesh, PK; Shiokawa, K; Otsuka, Y; Batista, IS; Ebihara, Y; Nakamura, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 119 巻 ( 12 ) 2014年12月
Buhari, SM; Abdullah, M; Hasbi, AM; Otsuka, Y; Yokoyama, T; Nishioka, M; Tsugawa, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 119 巻 ( 12 ) 2014年12月
Narayanan, VL; Shiokawa, K; Otsuka, Y; Saito, S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 119 巻 ( 11 ) 頁: 9268 - 9282 2014年11月
Akiya, Y; Saito, A; Sakanoi, T; Hozumi, Y; Yamazaki, A; Otsuka, Y; Nishioka, M; Tsugawa, T
GEOPHYSICAL RESEARCH LETTERS 41 巻 ( 19 ) 頁: 6943 - 6948 2014年10月
Auroral fragmentation into patches 査読有り
Shiokawa, K; Hashimoto, A; Hori, T; Sakaguchi, K; Ogawa, Y; Donovan, E; Spanswick, E; Connors, M; Otsuka, Y; Oyama, SI; Nozawa, S; McWilliams, K
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 119 巻 ( 10 ) 頁: 8249 - 8261 2014年10月
Diagnostics of equatorial and low latitude ionosphere by TEC mapping over Brazil 査読有り
Takahashi, H; Costa, S; Otsuka, Y; Shiokawa, K; Monico, JFG; Paula, E; Nogueira, P; Denardini, CM; Becker-Guedes, F; Wrasse, CM; Ivo, AS; Gomes, VCF; Gargarela, W; Sant'Anna, N; Gatto, R
ADVANCES IN SPACE RESEARCH 54 巻 ( 3 ) 頁: 385 - 394 2014年8月
Observations of GPS scintillation during an isolated auroral substorm 査読有り
Hosokawa, K, Y. Otsuka, Y. Ogawa, T. Tsugawa
Progress in Earth and Planetary Sciencs 96693290710.1186/2197-4284-1-1 巻 2014年8月
Vertical ExB drifts from radar and C/NOFS observations in the Indian and Indonesian sectors: Consistency of observations and model 査読有り
A. K. Patra, P. Pavan Chaitanya, Y. Otsuka, T. Yokoyama, M. Yamamoto, R. A. Stoneback, R. A. Heelis
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 119 巻 ( 5 ) 頁: 3777 - 3788 2014年5月
Global imaging of polar cap patches with dual airglow imagers 査読有り
Hosokawa, K; Taguchi, S; Shiokawa, K; Otsuka, Y; Ogawa, Y; Nicolls, M
GEOPHYSICAL RESEARCH LETTERS 41 巻 ( 1 ) 頁: 1 - 6 2014年1月
赤道大気レーダーを用いた高度150km沿磁力線不規則構造のドリフト速度に関する研究 査読有り
大塚雄一, 水谷徳仁, 塩川和夫, Amit Patra, 横山竜宏, 山本衛
南極資料 頁: 印刷中 2014年
The observation of equatorial plasma bubble using all sky imager and GPS TEC measurement 査読有り
Suhaila M. Buhari, Mardina Abdullah, Alina Marie Hasbi, Yuichi Otsuka, Siti Aminah Bahari, Mohd Hezri Mokhtar, Michi Nishioka, Takuya Tsugawa
2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS) 2014年
国際宇宙ステーションからの超高層大気撮像観測ミッションISS-IMAPの現状
齊藤 昭則, 秋谷祐亮, 穂積裕太, 山崎 敦, 阿部 琢美, 鈴木 睦, 村上豪, 坂野井 健, 吉川 一朗, 大塚 雄一, 藤原 均, 田口 真, 山本 衛, 中村 卓司, 江尻 省, 菊池 雅行, 河野 英昭, Huixin Liu, 石井 守, 久保田 実, 津川 卓也, 星野尾 一明, 坂野井 和代, IMAPワーキンググループ
第14回宇宙科学シンポジウム 講演集 2014年
国際宇宙ステーションからの大気光観測による赤道域電離圏擾乱の研究
山田貴宣, 大塚雄一, 坂野井健, 山崎敦, 齊藤昭則, 秋谷祐亮
第28回大気圏シンポジウム講演集 2014年
Vertical ExB drifts from radar and C/NOFS observations in the Indian and Indonesian sectors: Consistency of observations and model 査読有り
A. K. Patra, P. Pavan Chaitanya, Y. Otsuka, T. Yokoyama, M. Yamamoto, R. A. Stoneback, R. A. Heelis
Journal of Geophysical Research: Space Physics 119 巻 ( 5 ) 頁: 3777 - 3788 2014年
Two-dimensional structure of equatorial plasma bubble observed using GPS networks in South East Asia region 査読有り
Suhaila M. Buhari, Mardina Abdullah, Alina Marie Hasbi, Yuichi Otsuka
2014 International Conference on Electronics, Information and Communications (ICEIC) 2014年
赤道大気レーダーを用いた高度150km沿磁力線不規則構造のドリフト速度に関する研究 査読有り
大塚雄一, 水谷徳仁, 塩川和夫, Amit Patra, 横山竜宏, 山本衛
南極資料 57 巻 ( 3 ) 頁: 369-378 2013年11月
Typhoon-induced concentric airglow structures in the mesopause region 査読有り
S. Suzuki, S. L. Vadas, K. Shiokawa, Y. Otsuka, S. Kawamura, Y. Murayama
Geophysical Research Letters 40 巻 ( 22 ) 頁: 5983 - 5987 2013年11月
Typhoon-induced concentric airglow structures in the mesopause region 査読有り
S. Suzuki, S. L. Vadas, K. Shiokawa, Y. Otsuka, S. Kawamura, Y. Murayama
GEOPHYSICAL RESEARCH LETTERS 40 巻 ( 22 ) 頁: 5983 - 5987 2013年11月
Shinagawa, H; Tsugawa, T; Matsumura, M; Iyemori, T; Saito, A; Maruyama, T; Jin, H; Nishioka, M; Otsuka, Y
GEOPHYSICAL RESEARCH LETTERS 40 巻 ( 19 ) 頁: 5009 - 5013 2013年10月
Longitudinal characteristics of spread F backscatter plumes observed with the EAR and Sanya VHF radar in Southeast Asia 査読有り
Guozhu Li, Baiqi Ning, M. A. Abdu, Yuchi Otsuka, T. Yokoyama, M. Yamamoto, Libo Liu
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 118 巻 ( 10 ) 頁: 6544 - 6557 2013年10月
Shiokawa, K; Mori, M; Otsuka, Y; Oyama, S; Nozawa, S; Suzuki, S; Connors, M
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 103 巻 頁: 184 - 194 2013年10月
Lynn, KJW; Otsuka, Y; Shiokawa, K
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 98 巻 頁: 105 - 112 2013年6月
Balan, N; Otsuka, Y; Nishioka, M; Liu, JY; Bailey, GJ
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 118 巻 ( 5 ) 頁: 2660 - 2669 2013年5月
Evidence of gravity wave ducting in the mesopause region from airglow network observations 査読有り
Suzuki, S; Shiokawa, K; Otsuka, Y; Kawamura, S; Murayama, Y
GEOPHYSICAL RESEARCH LETTERS 40 巻 ( 3 ) 頁: 601 - 605 2013年2月
GPS observations of medium-scale traveling ionospheric disturbances over Europe 査読有り
Otsuka, Y., Suzuki, K., Nakagawa, S., Nishioka, M., Shiokawa, K., and Tsugawa, T.
Ann. Geophys. 31 巻 頁: 163-172 2013年2月
Drift velocities of 150-km field-aligned irregularities observed by the equatorial atmosphere radar 査読有り
Otsuka Y, Mizutani N, Shiokawa K, Patra A, Yokoyama T, Yamamoto M
Antarctic Record 57 巻 ( 3 ) 頁: 369 - 378 2013年
GPS observations of medium-scale traveling ionospheric disturbances over Europe 査読有り
Otsuka, Y; Suzuki, K; Nakagawa, S; Nishioka, M; Shiokawa, K; Tsugawa, T
ANNALES GEOPHYSICAE 31 巻 ( 2 ) 頁: 163 - 172 2013年
IMAP-WG国際宇宙ステーションからの地球超高層大気撮像観測ISS-IMAPミッションの初期成果
齊藤昭則, 山崎 敦, 阿部琢美, 鈴木 睦, 坂野井 健, 吉川一朗, 大塚雄一, 藤原 均, 田口 真, 山本 衛, 中村卓司, 江尻 省, 菊池雅行, 河野英昭, Huixin Liu, 石井 守, 久保田 実, 津川卓也, 星野尾一明, 坂野井和代
第13回宇宙科学シンポジウム 2013年
Longitudinal characteristics of spread F backscatter plumes observed with the EAR and Sanya VHF radar in Southeast Asia 査読有り
Guozhu Li, Baiqi Ning, M. A. Abdu, Yuchi Otsuka, T. Yokoyama, M. Yamamoto, Libo Liu
Journal of Geophysical Research: Space Physics 118 巻 ( 10 ) 頁: 6544 - 6557 2013年
Small-scale ionospheric delay variation associated with plasma bubbles studied with GNSS and optical measurements and its impact on GBAS 査読有り
S. Saito, T. Yoshihara, Y. Otsuka
PROCEEDINGS OF THE 26TH INTERNATIONAL TECHNICAL MEETING OF THE SATELLITE DIVISION OF THE INSTITUTE OF NAVIGATION (ION GNSS 2013) 頁: 1869 - 1874 2013年
A comparative study of equatorial daytime vertical E x B drift in the Indian and Indonesian sectors based on 150 km echoes 査読有り
A. K. Patra, P. Pavan Chaitanya, N. Mizutani, Y. Otsuka, T. Yokoyama, M. Yamamoto
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年11月
Motion of high-latitude nighttime medium-scale traveling ionospheric disturbances associated with auroral brightening 査読有り
Shiokawa, K, Mori, M, Otsuka, Y, Oyama, S, Nozawa, S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年10月
Motion of high-latitude nighttime medium-scale traveling ionospheric disturbances associated with auroral brightening 査読有り
Shiokawa K, Mori M, Otsuka Y, Oyama S, Nozawa S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年10月
Observation of equatorial nighttime medium-scale traveling ionospheric disturbances in 630-nm airglow images over 7 years 査読有り
D. Fukushima, K. Shiokawa, Y. Otsuka, T. Ogawa
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年10月
On post-midnight field-aligned irregularities observed with a 30.8-MHz radar at a low latitude: Comparison with F-layer altitude near the geomagnetic equator 査読有り
M. Nishioka, Y. Otsuka, K. Shiokawa, T. Tsugawa, Effendy, P. Supnithi, T. Nagatsuma, K. T. Murata
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年8月
Response of low-latitude ionosphere to medium-term changes of solar and geomagnetic activity 査読有り
Ivan Kutiev, Yuichi Otsuka, Dora Pancheva, Rod Heelis
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年8月
Disappearance of equatorial plasma bubble after interaction with mid-latitude medium-scale traveling ionospheric disturbance 査読有り
Otsuka, Y., K. Shiokawa, and T. Ogawa
Geophys. Res. Lett. 39 巻 ( L14105 ) 2012年7月
Otsuka, Y; Shiokawa, K; Ogawa, T
GEOPHYSICAL RESEARCH LETTERS 39 巻 2012年7月
Makela, JJ; Otsuka, Y
SPACE SCIENCE REVIEWS 168 巻 ( 1-4 ) 頁: 419 - 440 2012年6月
GPS total electron content variations associated with poleward moving Sun-aligned arcs 査読有り
P. T. Jayachandran, K. Hosokawa, K. Shiokawa, Y. Otsuka, C. Watson, S. C. Mushini, J. W. MacDougall, P. Prikryl, R. Chadwick, T. D. Kelly
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年5月
VHF Radar Observations of Post-Midnight F-Region Field-Aligned Irregularities over Indonesia during Solar Minimum 査読有り
Otsuka, Y., K. Shiokawa, M. Nishioka and Effendy
Indian Journal of Radio and Space Physics (IJRSP) ( 41 ) 頁: 199-207 2012年4月
VHF Radar Observations of Post-Midnight F-Region Field-Aligned Irregularities over Indonesia during Solar Minimum 査読有り
Otsuka, Y, K. Shiokawa, M. Nishioka, Effendy
Indian Journal of Radio and Space Physics (IJRSP) ( 41 ) 頁: 199-207 2012年4月
Seasonal and Local Time Variations of E-Region Field-Aligned Irregularities Observed with 30.8-MHz Radar at Kototabang, Indonesia 査読有り
Otsuka, Y.
International Journal of Geophysics 2012 巻 ( 695793 ) 2012年3月
Polarization of Pc1/EMIC waves and related proton auroras observed at subauroral latitudes 査読有り
R. Nomura, K. Shiokawa, K. Sakaguchi, Y. Otsuka, M. Connors
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年2月
Ionospheric and thermospheric storms at equatorial latitudes observed by CHAMP, ROCSAT, and DMSP 査読有り
N. Balan, J. Y. Liu, Y. Otsuka, S. Tulasi Ram, H. Luehr
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 117 巻 2012年1月
A comparative study of equatorial daytime vertical e × B drift in the Indian and Indonesian sectors based on 150 km echoes 査読有り
A. K. Patra, P. Pavan Chaitanya, N. Mizutani, Y. Otsuka, T. Yokoyama, M. Yamamoto
Journal of Geophysical Research: Space Physics 117 巻 ( 11 ) 2012年
Development of low-cost sky-scanning Fabry-Perot interferometers for airglow and auroral studies 査読有り
Shiokawa, K; Otsuka, Y; Oyama, S; Nozawa, S; Satoh, M; Katoh, Y; Hamaguchi, Y; Yamamoto, Y; Meriwether, J
EARTH PLANETS AND SPACE 64 巻 ( 11 ) 頁: 1033 - 1046 2012年
GPS total electron content variations associated with poleward moving Sun-aligned arcs 査読有り
P. T. Jayachandran, K. Hosokawa, K. Shiokawa, Y. Otsuka, C. Watson, S. C. Mushini, J. W. MacDougall, P. Prikryl, R. Chadwick, T. D. Kelly
Journal of Geophysical Research: Space Physics 117 巻 ( 5 ) 2012年
Early observation and future plan of the Ionosphere, Mesosphere, upper Atmosphere, and Plasmasphere mapping observation mission
SAITO Akinori, YAMAZAKI Atsushi, SAKANOI Takeshi, YOSHIKAWA Ichiro, ABE Takumi, OTSUKA Yuichi, TAGUCHI Makoto, SUZUKI Makoto, KIKUCHI Masayuki, NAKAMURA Takuji, YAMAMOTO Mamoru, KAWANO Hideaki, LIU Huixin, ISHII Mamoru, TSUGAWA Takuya, SAKANOI Kazuyo, FUJIWARA Hitoshi, KUBOTA Minoru, EJIRI Mitsumu K, SAITO Akinori
地球電磁気・地球惑星圏学会総会及び講演会予稿集(CD-ROM) 132nd 巻 頁: ROMBUNNO.B005-18 2012年
Ionospheric and thermospheric storms at equatorial latitudes observed by CHAMP, ROCSAT, and DMSP 査読有り
N. Balan, J. Y. Liu, Y. Otsuka, S. Tulasi Ram, H. Lühr
Journal of Geophysical Research: Space Physics 117 巻 ( 1 ) 2012年
Observation of equatorial nighttime medium-scale traveling ionospheric disturbances in 630-nm airglow images over 7 years 査読有り
D. Fukushima, K. Shiokawa, Y. Otsuka, T. Ogawa
Journal of Geophysical Research: Space Physics 117 巻 ( 10 ) 2012年
Motion of high-latitude nighttime medium-scale traveling ionospheric disturbances associated with auroral brightening 査読有り
K. Shiokawa, M. Mori, Y. Otsuka, S. Oyama, S. Nozawa
Journal of Geophysical Research: Space Physics 117 巻 ( 10 ) 2012年
Low-latitude mesosphere, thermosphere, and ionosphere 査読有り
Y. Sahai, R. S. Dabas, Y. Otsuka, M. Klimenko
International Journal of Geophysics 2012 巻 2012年
On post-midnight field-aligned irregularities observed with a 30.8-MHz radar at a low latitude: Comparison with F-layer altitude near the geomagnetic equator 査読有り
M. Nishioka, Y. Otsuka, K. Shiokawa, T. Tsugawa, Null Effendy, P. Supnithi, T. Nagatsuma, K. T. Murata
Journal of Geophysical Research: Space Physics 117 巻 ( 8 ) 2012年
Seasonal and local time variations of e -Region field-aligned irregularities observed with 30.8-mhz radar at kototabang, indonesia 査読有り
Y. Otsuka
International Journal of Geophysics 2012 巻 2012年
Response of low-latitude ionosphere to medium-term changes of solar and geomagnetic activity 査読有り
Ivan Kutiev, Yuichi Otsuka, Dora Pancheva, Rod Heelis
Journal of Geophysical Research: Space Physics 117 巻 ( 8 ) 2012年
Polarization of Pc1/EMIC waves and related proton auroras observed at subauroral latitudes 査読有り
R. Nomura, K. Shiokawa, K. Sakaguchi, Y. Otsuka, M. Connors
Journal of Geophysical Research: Space Physics 117 巻 ( 2 ) 2012年
Lynn, KJW; Otsuka, Y; Shiokawa, K
GEOPHYSICAL RESEARCH LETTERS 38 巻 2011年12月
On postmidnight low-latitude ionospheric irregularities during solar minimum: 1. Equatorial Atmosphere Radar and GPS-TEC observations in Indonesia 査読有り
T. Yokoyama, M. Yamamoto, Y. Otsuka, M. Nishioka, T. Tsugawa, S. Watanabe, R. F. Pfaff
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年11月
On postmidnight low-latitude ionospheric irregularities during solar minimum: 2. C/NOFS observations and comparisons with the Equatorial Atmosphere Radar 査読有り
T. Yokoyama, R. F. Pfaff, P. A. Roddy, M. Yamamoto, Y. Otsuka
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年11月
Equatorial electrodynamics and neutral background in the Asian sector during the 2009 stratospheric sudden warming 査読有り
Huixin Liu, Mamoru Yamamoto, S. Tulasi Ram, Takuya Tsugawa, Yuichi Otsuka, Claudia Stolle, Eelco Doornbos, Kiyohumi Yumoto, Tsutomu Nagatsuma
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年8月
New aspects of thermospheric and ionospheric storms revealed by CHAMP 査読有り
N. Balan, M. Yamamoto, J. Y. Liu, Y. Otsuka, H. Liu, H. Luehr
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年7月
Decay of polar cap patch 査読有り
K. Hosokawa, J. I. Moen, K. Shiokawa, Y. Otsuka
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年5月
A statistical study of the response of the dayside equatorial F-2 layer to the main phase of intense geomagnetic storms as an indicator of penetration electric field 査読有り
N. Balan, M. Yamamoto, V. Sreeja, I. S. Batista, K. J. W. Lynn, M. A. Abdu, S. Ravindran, T. Kikuchi, Y. Otsuka, K. Shokawa, S. Alex
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年3月
Adachi, T; Otsuka, Y; Yamaoka, M; Yamamoto, M; Shiokawa, K; Chen, AB; Hsu, RR
GEOPHYSICAL RESEARCH LETTERS 38 巻 2011年2月
Vertical connection from the tropospheric activities to the ionospheric longitudinal structure simulated by a new Earth's whole atmosphere-ionosphere coupled model 査読有り
H. Jin, Y. Miyoshi, H. Fujiwara, H. Shinagawa, K. Terada, N. Terada, M. Ishii, Y. Otsuka, A. Saito
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 116 巻 2011年1月
Otsuka, Y; Kotake, N; Shiokawa, K; Ogawa, T; Tsugawa, T; Saito, A
AERONOMY OF THE EARTH'S ATMOSPHERE AND IONOSPHERE 2 巻 ( 3 ) 頁: 291 - 299 2011年
A statistical study of the response of the dayside equatorial F2 layer to the main phase of intense geomagnetic storms as an indicator of penetration electric field 査読有り
N. Balan, M. Yamamoto, V. Sreeja, I. S. Batista, K. J.W. Lynn, M. A. Abdu, S. Ravindran, T. Kikuchi, Y. Otsuka, K. Shokawa, S. Alex
Journal of Geophysical Research: Space Physics 116 巻 ( 3 ) 2011年
Saito, A; Tsugawa, T; Otsuka, Y; Nishioka, M; Iyemori, T; Matsumura, M; Saito, S; Chen, CH; Goi, Y; Choosakul, N
EARTH PLANETS AND SPACE 63 巻 ( 7 ) 頁: 863 - 867 2011年
Decay of polar cap patch 査読有り
K. Hosokawa, J. I. Moen, K. Shiokawa, Y. Otsuka
Journal of Geophysical Research: Space Physics 116 巻 ( 5 ) 2011年
Sakanoi, T, Akiya, Y, Yamazaki, A, Otsuka, Y, Saito, A, Yoshikawa, I
IEEJ Transactions on Fundamentals and Materials 131 巻 ( 12 ) 頁: 983 - 988 2011年
Equatorial electrodynamics and neutral background in the Asian sector during the 2009 stratospheric sudden warming 査読有り
Huixin Liu, Mamoru Yamamoto, S. Tulasi Ram, Takuya Tsugawa, Yuichi Otsuka, Claudia Stolle, Eelco Doornbos, Kiyohumi Yumoto, Tsutomu Nagatsuma
Journal of Geophysical Research: Space Physics 116 巻 ( 8 ) 2011年
Tsugawa, T; Saito, A; Otsuka, Y; Nishioka, M; Maruyama, T; Kato, H; Nagatsuma, T; Murata, KT
EARTH PLANETS AND SPACE 63 巻 ( 7 ) 頁: 875 - 879 2011年
Matsumura, M; Saito, A; Iyemori, T; Shinagawa, H; Tsugawa, T; Otsuka, Y; Nishioka, M; Chen, CH
EARTH PLANETS AND SPACE 63 巻 ( 7 ) 頁: 885 - 889 2011年
New aspects of thermospheric and ionospheric storms revealed by CHAMP 査読有り
N. Balan, M. Yamamoto, J. Y. Liu, Y. Otsuka, H. Liu, H. Lühr
Journal of Geophysical Research: Space Physics 116 巻 ( 7 ) 2011年
Motion of polar cap arcs 査読有り
Hosokawa, K, J. I. Moen, K. Shiokawa, Y. Otsuka
Journal of Geophysical Research 116 巻 頁: doi:10.1029/2010JA015906 2011年
Chen, CH; Saito, A; Lin, CH; Liu, JY; Tsai, HF; Tsugawa, T; Otsuka, Y; Nishioka, M; Matsumura, M
EARTH PLANETS AND SPACE 63 巻 ( 7 ) 頁: 881 - 884 2011年
ISS-IMAPミッションによって明らかになる超高層大気の姿
斎藤昭則, 山崎敦, 阿部琢美, 鈴木睦, 坂野井健, 藤原均, 吉川一朗, 大塚雄一, 田口真, 山本衛, 中村卓司, 江尻省, 菊池雅行, 河野英昭, 石井守, 久保田実, 星野尾一明, 坂野井和代
第25回大気圏シンポジウム 2011年
Maruyama, T; Tsugawa, T; Kato, H; Saito, A; Otsuka, Y; Nishioka, M
EARTH PLANETS AND SPACE 63 巻 ( 7 ) 頁: 869 - 873 2011年
On postmidnight low-latitude ionospheric irregularities during solar minimum: 1. Equatorial Atmosphere Radar and GPS-TEC observations in Indonesia 査読有り
T. Yokoyama, M. Yamamoto, Y. Otsuka, M. Nishioka, T. Tsugawa, S. Watanabe, R. F. Pfaff
Journal of Geophysical Research: Space Physics 116 巻 ( 11 ) 2011年
Nishitani, N; Ogawa, T; Otsuka, Y; Hosokawa, K; Hori, T
EARTH PLANETS AND SPACE 63 巻 ( 7 ) 頁: 891 - 896 2011年
On postmidnight low-latitude ionospheric irregularities during solar minimum: 2. C/NOFS observations and comparisons with the Equatorial Atmosphere Radar 査読有り
T. Yokoyama, R. F. Pfaff, P. A. Roddy, M. Yamamoto, Y. Otsuka
Journal of Geophysical Research: Space Physics 116 巻 ( 11 ) 2011年
Vertical connection from the tropospheric activities to the ionospheric longitudinal structure simulated by a new Earth's whole atmosphere-ionosphere coupled model 査読有り
H. Jin, Y. Miyoshi, H. Fujiwara, H. Shinagawa, K. Terada, N. Terada, M. Ishii, Y. Otsuka, A. Saito
Journal of Geophysical Research: Space Physics 116 巻 ( 1 ) 2011年
Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm 査読有り
K. Hosokawa, T. Tsugawa, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa, M. R. Hairston
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年12月
Midnight latitude-altitude distribution of 630 nm airglow in the Asian sector measured with FORMOSAT-2/ISUAL 査読有り
Toru Adachi, Masashi Yamaoka, Mamoru Yamamoto, Yuichi Otsuka, Huixin Liu, Chun-Chieh Hsiao, Alfred B. Chen, Rue-Ron Hsu
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年9月
Large-scale traveling ionospheric disturbance observed by superDARN Hokkaido HF radar and GPS networks on 15 December 2006 査読有り
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
Large-scale traveling ionospheric disturbance observed by superDARN Hokkaido HF radar and GPS networks on 15 December 2006 査読有り
H. Hayashi, N. Nishitani, T. Ogawa, Y. Otsuka, T. Tsugawa, K. Hosokawa, A. Saito
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年6月
Nighttime-like quasi periodic echoes induced by a partial solar eclipse 査読有り
Thampi, SV; Yamamoto, M; Liu, HX; Saito, S; Otsuka, Y; Patra, AK
GEOPHYSICAL RESEARCH LETTERS 37 巻 2010年5月
Li, GZ; Ning, BQ; Hu, LH; Liu, LB; Yue, XA; Wan, WX; Zhao, BQ; Igarashi, K; Kubota, M; Otsuka, Y; Xu, JS; Liu, JY
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 ( 4 ) 2010年4月
A physical mechanism of positive ionospheric storms at low latitudes and midlatitudes 査読有り
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
Reorganization of polar cap patches through shears in the background plasma convection 査読有り
K. Hosokawa, J. -P. St-Maurice, G. J. Sofko, K. Shiokawa, Y. Otsuka, T. Ogawa
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 115 巻 2010年1月
A physical mechanism of positive ionospheric storms at low latitudes and midlatitudes 査読有り
N. Balan, K. Shiokawa, Y. Otsuka, T. Kikuchi, D. Vijaya Lekshmi, S. Kawamura, M. Yamamoto, G. J. Bailey
Journal of Geophysical Research: Space Physics 115 巻 ( 2 ) 2010年
Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm 査読有り
K. Hosokawa, T. Tsugawa, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa, M. R. Hairston
Journal of Geophysical Research: Space Physics 115 巻 ( 12 ) 2010年
Large-scale traveling ionospheric disturbance observed by superDARN Hokkaido HF radar and GPS networks on 15 December 2006 査読有り
H. Hayashi, N. Nishitani, T. Ogawa, Y. Otsuka, T. Tsugawa, K. Hosokawa, A. Saito
Journal of Geophysical Research: Space Physics 115 巻 ( 6 ) 2010年
Midnight latitude-altitude distribution of 630 nm airglow in the Asian sector measured with FORMOSAT-2/ISUAL 査読有り
Toru Adachi, Masashi Yamaoka, Mamoru Yamamoto, Yuichi Otsuka, Huixin Liu, Chun-Chieh Hsiao, Alfred B. Chen, Rue-Ron Hsu
Journal of Geophysical Research: Space Physics 115 巻 ( 9 ) 2010年
Lower-thermospheric wind fluctuations measured with an FPI during pulsating aurora at Tromso, Norway 査読有り
Oyama, S; Shiokawa, K; Kurihara, J; Tsuda, TT; Nozawa, S; Ogawa, Y; Otsuka, Y; Watkins, BJ
ANNALES GEOPHYSICAE 28 巻 ( 10 ) 頁: 1847 - 1857 2010年
Reorganization of polar cap patches through shears in the background plasma convection 査読有り
K. Hosokawa, J. P. St-Maurice, G. J. Sofko, K. Shiokawa, Y. Otsuka, T. Ogawa
Journal of Geophysical Research: Space Physics 115 巻 ( 1 ) 2010年
The STEL induction magnetometer network for observation of high-frequency geomagnetic pulsations 査読有り
Shiokawa, K; Nomura, R; Sakaguchi, K; Otsuka, Y; Hamaguchi, Y; Satoh, M; Katoh, Y; Yamamoto, Y; Shevtsov, BM; Smirnov, S; Poddelsky, I; Connors, M
EARTH PLANETS AND SPACE 62 巻 ( 6 ) 頁: 517 - 524 2010年
国際宇宙ステーションJEM曝露部からの超高層大気撮像観測計画ISS-IMAP
齊藤昭則, 阿部琢美, 山崎敦, 鈴木睦, 坂野井健, 藤原均, 吉川一朗, 大塚雄一, 田口真, 山本衛, 中村卓司, 菊池雅行, 江尻省, 河野英昭, 石井守, 久保田実, 星野尾一明, 坂野井和代
第10回宇宙科学シンポジウム講演集 2010年
Thermospheric temperature and density variations 査読有り
Fujiwara, H; Miyoshi, Y; Jin, H; Shinagawa, H; Otsuka, Y; Saito, A; Ishii, M
SOLAR AND STELLAR VARIABILITY: IMPACT ON EARTH AND PLANETS ( 264 ) 頁: 310 - + 2010年
Ionospheric and geomagnetic disturbances during the 2005 Sumatran earthquakes 査読有り
Hasbi, AM; Momani, MA; Ali, MAM; Misran, N; Shiokawa, K; Otsuka, Y; Yumoto, K
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 71 巻 ( 17-18 ) 頁: 1992 - 2005 2009年12月
On the gravity wave-driven instability of E layer at mid-latitude 査読有り
Shalimov, S; Ogawa, T; Otsuka, Y
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 71 巻 ( 17-18 ) 頁: 1943 - 1947 2009年12月
Thampi, SV; Yamamoto, M; Tsunoda, RT; Otsuka, Y; Tsugawa, T; Uemoto, J; Ishii, M
GEOPHYSICAL RESEARCH LETTERS 36 巻 2009年9月
Suzuki, S; Hosokawa, K; Otsuka, Y; Shiokawa, K; Ogawa, T; Nishitani, N; Shibata, TF; Koustov, AV; Shevtsov, BM
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 頁: A07312 2009年7月
Onishi, T; Tsugawa, T; Otsuka, Y; Berthelier, JJ; Lebreton, JP
GEOPHYSICAL RESEARCH LETTERS 36 巻 2009年6月
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 査読有り
Y. Otsuka, K. Shiokawa, T. Ogawa, T. Yokoyama, M. Yamamoto
Journal of Geophysical Research: Space Physics 114 巻 ( 5 ) 2009年5月
VHF radar observations of nighttime F-region field-aligned irregularities over Kototabang, Indonesia 査読有り
Otsuka, Y., T. Ogawa, and Effendy
Earth Planets Space 61 巻 頁: 431-437 2009年5月
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 査読有り
Otsuka, Y., K. Shiokawa, T. Ogawa, T. Yokoyama, and M. Yamamoto
J. Geophys. Res. 114 巻 頁: A05302, doi:10.1029/2008JA013902 2009年5月
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 査読有り
Y. Otsuka, K. Shiokawa, T. Ogawa, T. Yokoyama, M. Yamamoto
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年5月
Motion of polar cap patches: A statistical study with all-sky airglow imager at Resolute Bay, Canada 査読有り
Hosokawa, K, Kashimoto, T, Suzuki, S, Shiokawa, K, Otsuka, Y, Ogawa, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年4月
Motion of polar cap patches: A statistical study with all-sky airglow imager at Resolute Bay, Canada 査読有り
Hosokawa K, Kashimoto T, Suzuki S, Shiokawa K, Otsuka Y, Ogawa T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年4月
Unusually elongated, bright airglow plume in the polar cap F region: Is it a tongue of ionization? 査読有り
Hosokawa, K; Tsugawa, T; Shiokawa, K; Otsuka, Y; Ogawa, T; Hairston, MR
GEOPHYSICAL RESEARCH LETTERS 36 巻 2009年4月
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 査読有り
Ogawa T, Nishitani N, Otsuka Y, Shiokawa K, Tsugawa T, Hosokawa K
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年3月
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 査読有り
T. Ogawa, N. Nishitani, Y. Otsuka, K. Shiokawa, T. Tsugawa, K. Hosokawa
Journal of Geophysical Research: Space Physics 114 巻 ( 3 ) 2009年3月
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 査読有り
K. Hosokawa, K. Shiokawa, Y. Otsuka, T. Ogawa, J. P. St-Maurice, G. J. Sofko, D. A. Andre
Journal of Geophysical Research: Space Physics 114 巻 ( 3 ) 2009年3月
Super plasma fountain and equatorial ionization anomaly during penetration electric field 査読有り
N. Balan, K. Shiokawa, Y. Otsuka, S. Watanabe, G. J. Bailey
Journal of Geophysical Research: Space Physics 114 巻 ( 3 ) 2009年3月
Three-dimensional simulation of the coupled Perkins and es-layer instabilities in the nighttime midlatitude ionosphere 査読有り
Tatsuhiro Yokoyama, David L. Hysell, Yuichi Otsuka, Mamoru Yamamoto
Journal of Geophysical Research: Space Physics 114 巻 ( 3 ) 2009年3月
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 査読有り
K. Hosokawa, K. Shiokawa, Y. Otsuka, T. Ogawa, J. -P. St-Maurice, G. J. Sofko, D. A. Andre
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年3月
Super plasma fountain and equatorial ionization anomaly during penetration electric field 査読有り
N. Balan, K. Shiokawa, Y. Otsuka, S. Watanabe, G. J. Bailey
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年3月
Three-dimensional simulation of the coupled Perkins and E-s-layer instabilities in the nighttime midlatitude ionosphere 査読有り
Tatsuhiro Yokoyama, David L. Hysell, Yuichi Otsuka, Mamoru Yamamoto
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 2009年3月
Ogawa, T; Otsuka, Y; Shiokawa, K; Tsugawa, T; Saito, A; Hoshinoo, K; Matunaga, K; Kubota, M; Ishii, M
TERRESTRIAL ATMOSPHERIC AND OCEANIC SCIENCES 20 巻 ( 1 ) 頁: 287 - 295 2009年2月
Effects observed in the ionospheric F region in the east Asian sector during the intense geomagnetic disturbances in the early part of November 2004 査読有り
Sahai Y., Becker-Guedes F., Fagundes P. R., de Jesus R., de Abreu A. J., Otsuka Y., Shiokawa K., Igarashi K., Yumoto K., Huang C. -S., Lan H. T., Saito A., Guarnieri F. L., Pillat V. G., Bittencourt J. A.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 114 巻 ( 3 ) 2009年1月
Characteristics of equatorial gravity waves derived from mesospheric airglow imaging observations 査読有り
S. Suzuki, K. Shiokawa, A. Z. Liu, Y. Otsuka, T. Ogawa, T. Nakamura
ANNALES GEOPHYSICAE 27 巻 ( 4 ) 頁: 1625 - 1629 2009年
Equatorial GPS ionospheric scintillations over Kototabang, Indonesia and their relation to atmospheric waves from below 査読有り
Tadahiko Ogawa, Yasunobu Miyoshi, Yuichi Otsuka, Takuji Nakamura, Kazuo Shiokawa
EARTH PLANETS AND SPACE 61 巻 ( 4 ) 頁: 397 - 410 2009年
Sahai, Y; Becker-Guedes, F; Fagundes, PR; de Abreu, AJ; de Jesus, R; Pillat, VG; Abalde, JR; Martinis, CR; Brunini, C; Gende, M; Huang, CS; Pi, X; Lima, WLC; Bittencourt, JA; Otsuka, Y
ANNALES GEOPHYSICAE 27 巻 ( 12 ) 頁: 4463 - 4477 2009年
Relative effects of electric field and neutral wind on positive ionospheric storms 査読有り
N. Balan, H. Alleyne, Y. Otsuka, D.Vijaya Lekshmi, B. G. Fejer, I. McCrea
Earth, Planets and Space 61 巻 ( 4 ) 頁: 439 - 445 2009年
Propagation characteristics of nighttime mesospheric and thermospheric waves observed by optical mesosphere thermosphere imagers at middle and low latitudes 査読有り
K. Shiokawa, Y. Otsuka, T. Ogawa
EARTH PLANETS AND SPACE 61 巻 ( 4 ) 頁: 479 - 491 2009年
The Optical Mesosphere Thermosphere Imagers (OMTIs) for network measurements of aurora and airglow 査読有り
K. Shiokawa, K. Hosokawa, K. Sakaguchi, A. Ieda, Y. Otsuka, T. Ogawa, M. Connors
FUTURE PERSPECTIVES OF SPACE PLASMA AND PARTICLE INSTRUMENTATION AND INTERNATIONAL COLLABORATIONS 1144 巻 頁: 212 - + 2009年
Zonal asymmetry of daytime 150-km echoes observed by Equatorial Atmosphere Radar in Indonesia 査読有り
T. Yokoyama, D. L. Hysell, A. K. Patra, Y. Otsuka, M. Yamamoto
ANNALES GEOPHYSICAE 27 巻 ( 3 ) 頁: 967 - 974 2009年
VHF radar observations of nighttime F-region field-aligned irregularities over Kototabang, Indonesia 査読有り
Y. Otsuka, T. Ogawa, Effendy
EARTH PLANETS AND SPACE 61 巻 ( 4 ) 頁: 431 - 437 2009年
New observational deployments for SEALION-Airglow measurements using all-sky imagers
Minoru Kubota, Mamoru Ishii, Takuya Tsugawa, Jyunpei Uemoto, Hidekatsu Jin, Yuichi Otsuka, Kazuo Shiokawa
Journal of the National Institute of Information and Communications Technology 56 巻 ( 1-4 ) 頁: 299 - 307 2009年
Lee, CC; Liou, YA; Otsuka, Y; Chu, FD; Yeh, TK; Hoshinoo, K; Matunaga, K
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 113 巻 ( A12 ) 2008年12月
Shiokawa, K; Otsuka, Y; Nishitani, N; Ogawa, T; Tsugawa, T; Maruyama, T; Smirnov, SE; Bychkov, VV; Shevtsov, BM
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 113 巻 ( A12 ) 2008年12月
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., T. Tani, T. Tsugawa, and T. Ogawa
J. Atmos. Solar-Terr. Phys. 70 巻 頁: 2196-2202 2008年12月
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
Saito, S; Fukao, S; Yamamoto, M; Otsuka, Y; Maruyama, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 113 巻 ( A11 ) 2008年11月
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
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
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
Yokoyama, T; Otsuka, Y; Ogawa, T; Yamamoto, M; Hysell, DL
GEOPHYSICAL RESEARCH LETTERS 35 巻 ( 3 ) 2008年2月
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
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
Tsugawa, T; Otsuka, Y; Coster, AJ; Saito, A
GEOPHYSICAL RESEARCH LETTERS 34 巻 ( 22 ) 2007年11月
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
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
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
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
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
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
Tsugawa, T; Kotake, N; Otsuka, Y; Saito, A
GPS SOLUTIONS 11 巻 ( 2 ) 頁: 139 - 144 2007年3月
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
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
Kotake, N; Otsuka, Y; Ogawa, T; Tsugawa, T; Saito, A
EARTH PLANETS AND SPACE 59 巻 ( 2 ) 頁: 95 - 102 2007年
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
Sahai, Y; Becker-Guedes, F; Fagundes, PR; Lima, WLC; Otsuka, Y; Huang, CS; Espinoza, ES; Pi, X; de Abreu, AJ; Bolzan, MJA; Pillat, VG; Abalde, JR; Pimenta, AA; Bittencourt, JA
ADVANCES IN SPACE RESEARCH 39 巻 ( 8 ) 頁: 1325 - 1334 2007年
Development of airglow temperature photometers with cooled-CCD detectors 査読有り
Shiokawa, K; Otsuka, Y; Suzuki, S; Katoh, T; Katohl, Y; Satoh, M; Ogawa, T; Takahashi, H; Gobbli, D; Nakamura, T; Williams, BP; She, CY; Taguchi, M; Shimomai, T
EARTH PLANETS AND SPACE 59 巻 ( 6 ) 頁: 585 - 599 2007年
Gravity wave momentum flux in the upper mesosphere derived from OH airglow imaging measurements 査読有り
Suzuki, S; Shiokawa, K; Otsuka, Y; Ogawa, T; Kubota, M; Tsutsumi, M; Nakamura, T; Fritts, DC
EARTH PLANETS AND SPACE 59 巻 ( 5 ) 頁: 421 - 428 2007年
Summer-winter hemispheric asymmetry of sudden increase in ionospheric total electron content induced by solar flares: A role of O/N-2 ratio 査読有り
Tsugawa T., Sadakane T., Sato J., Otsuka Y., Ogawa T., Shiokawa K., Saito A.
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 111 巻 ( A11 ) 2006年11月
A fast-propagating, large-scale atmospheric gravity wave observed in the WAVE2004 campaign 査読有り
Kubota, M; Kawamura, S; Abo, M; Koizumi, Y; Murayama, Y; Yamamori, M; Shiokawa, K; Otsuka, Y; Uchiumi, M; Igarashi, K; Abe, T; Oyama, KI; Iwagami, N
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 111 巻 ( D21 ) 2006年11月
Heki, K; Otsuka, Y; Choosakul, N; Hemmakorn, N; Komolmis, T; Maruyama, T
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH 111 巻 ( B9 ) 2006年9月
Estimating drift velocity of polar cap patches with all-sky airglow imager at Resolute Bay, Canada 査読有り
Hosokawa, K; Shiokawa, K; Otsuka, Y; Nakajima, A; Ogawa, T; Kelly, JD
GEOPHYSICAL RESEARCH LETTERS 33 巻 ( 15 ) 2006年8月
A multi-instrument measurement of a mesospheric front-like structure at the equator 査読有り
Shiokawa, K; Suzuki, S; Otsuka, Y; Ogawa, T; Nakamura, T; Mlynczak, MG; Russell, JM
JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN 84A 巻 頁: 305 - 316 2006年7月
Otsuka, Y; Shiokawa, K; Ogawa, T
JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN 84A 巻 頁: 343 - 351 2006年7月
Ogawa, T; Otsuka, Y; Shiokawa, K; Saito, A; Nishioka, M
JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN 84A 巻 頁: 327 - 342 2006年7月
Quasiperiodic southward moving waves in 630-nm airglow images in the equatorial thermosphere 査読有り
Shiokawa, K; Otsuka, Y; Ogawa, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 111 巻 ( A6 ) 2006年6月
Characteristics and implications of Doppler spectra of E region quasi-periodic echoes observed by the multibeam middle and upper atmosphere radar 査読有り
Ogawa Tadahiko, Otsuka Yuichi, Yamamoto Mamoru
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 111 巻 ( A5 ) 2006年5月
Kotake, N; Otsuka, Y; Tsugawa, T; Ogawa, T; Saito, A
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 111 巻 ( A4 ) 2006年4月
Tsugawa, T; Shiokawa, K; Otsuka, Y; Ogawa, T; Saito, A; Nishioka, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 111 巻 ( A2 ) 2006年2月
GPS detection of total electron content variations over Indonesia and Thailand following the 26 December 2004 earthquake 査読有り
Otsuka, Y., N. Kotake, T. Tsugawa, K. Shiokawa, T. Ogawa, Effendy, S. Saito, M. Kawamura, T. Maruyama, N. Hemmakorn, and T. Komolmis
Earth, Planets and Space 58 巻 頁: 159-165 2006年
Equatorial ionospheric scintillations and zonal irregularity drifts observed with closely-spaced GPS receivers in Indonesia 査読有り
Otsuka, Y., K. Shiokawa, and T. Ogawa
J. Meteor. Soc. Japan 84A 巻 頁: 343-351 2006年
A statistical study of ionospheric irregularities observed with a GPS network in Japan
Otsuka, Y; Aramaki, T; Ogawa, T; Saito, A
RECURRENT MAGNETIC STORMS: COROTATING SOLAR WIND STREAMS 167 巻 頁: 271 - + 2006年
GPS observations of post-storm TEC enhancements at low latitudes 査読有り
Kutiev, I; Otsuka, Y; Saito, A; Watanabe, S
EARTH PLANETS AND SPACE 58 巻 ( 11 ) 頁: 1479 - 1486 2006年
Otsuka, Y; Kotake, N; Tsugawa, T; Shiokawa, K; Ogawa, T; Effendy; Saito, S; Kawamura, M; Maruyama, T; Hemmakorn, N; Komolmis, T
EARTH PLANETS AND SPACE 58 巻 ( 2 ) 頁: 159 - 165 2006年
Ionospheric variations at midlatitude detected by a dense GPS receiver array in Japan 査読有り
A. Saito, Y. Otsuka, T. Tsugawa, K. Matsunaga, K. Hoshinoo
Proceedings of the Annual Meeting - Institute of Navigation 頁: 425 - 428 2005年12月
Efficacy of STI571 for a patient with metastatic gastrointestinal stromal tumor 査読有り
Sasaki, Y, Niwa, Y, Ando, N, Otsuka, Y, Ohmiya, N, Hirooka, Y, Itoh, A, Furuta, S, Goto, H
HEPATO-GASTROENTEROLOGY 52 巻 ( 66 ) 頁: 1764 - 1767 2005年11月
Observations of equatorial plasma bubbles using broadcast VHF radio waves 査読有り
Nakata, H; Nagashima, I; Sakata, K; Otsuka, Y; Akaike, Y; Takano, T; Shimakura, S; Shiokawa, K; Ogawa, T
GEOPHYSICAL RESEARCH LETTERS 32 巻 ( 17 ) 2005年9月
Shiokawa, K; Otsuka, Y; Tsugawa, T; Ogawa, T; Saito, A; Ohshima, K; Kubota, M; Maruyama, T; Nakamura, T; Yamamoto, M; Wilkinson, P
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 110 巻 ( A5 ) 頁: doi:10.1029/2004JA010845 2005年5月
Total electron content behavior over Japan during geomagnetic storms 査読有り
Kutiev, I; Watanabe, S; Otsuka, Y; Saito, A
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 110 巻 ( A1 ) 2005年1月
Onoma, F; Otsuka, Y; Shiokawa, K; Ogawa, T; Yamamoto, M; Fukao, S; Saito, S
ANNALES GEOPHYSICAE 23 巻 ( 7 ) 頁: 2385 - 2390 2005年
Ogawa, T; Sagawa, E; Otsuka, Y; Shiokawa, K; Immel, TI; Mende, SB; Wilkinson, P
EARTH PLANETS AND SPACE 57 巻 ( 5 ) 頁: 385 - 392 2005年
The first coordinated observations of mid-latitude E-region quasi-periodic radar echoes and lower thermospheric 557.7-nm airglow 査読有り
Ogawa T, Otsuka Y, Onoma F, Shiokawa K, Yamamoto M
ANNALES GEOPHYSICAE 23 巻 ( 7 ) 頁: 2391 - 2399 2005年
Unnikrishnan, K; Saito, A; Otsuka, Y; Yamamoto, M; Fukao, S
ANNALES GEOPHYSICAE 23 巻 ( 11 ) 頁: 3439 - 3450 2005年
Otsuka, Y; Shiokawa, K; Ogawa, T; Yokoyama, T; Yamamoto, M; Fukao, S
GEOPHYSICAL RESEARCH LETTERS 31 巻 ( 20 ) 2004年10月
Statistical characteristics of gravity waves observed by an all-sky imager at Darwin, Australia 査読有り
Suzuki, S; Shiokawa, K; Otsuka, Y; Ogawa, T; Wilkinson, P
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 109 巻 ( D20 ) 頁: D20 - S07 2004年8月
Otsuka, Y; Shiokawa, K; Ogawa, T; Wilkinson, P
GEOPHYSICAL RESEARCH LETTERS 31 巻 ( 15 ) 2004年8月
Shiokawa, K; Otsuka, Y; Ogawa, T; Takahashi, H; Nakamura, T; Shimomai, T
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 66 巻 ( 11 ) 頁: 891 - 897 2004年7月
A statistical study of large-scale traveling ionospheric disturbances using the GPS network in Japan 査読有り
Tsugawa, T; Saito, A; Otsuka, Y
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 109 巻 ( A6 ) 頁: A06302 2004年6月
Simultaneous mesosphere/lower thermosphere and thermospheric F region observations during geomagnetic storms 査読有り
Balan N, Kawamura S, Nakamura T, Yamamoto M, Fukao S, Igarashi K, Maruyama T, Shiokawa K, Otsuka Y, Ogawa T, Alleyne H, Watanabe S, Murayama Y
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 109 巻 ( A4 ) 2004年4月
*Geomagnetic conjugate observations of medium-scale traveling ionospheric disturbances at midlatitude using all-sky airglow imagers 査読有り
Otsuka, Y., K. Shiokawa, T. Ogawa, and P. Wilkinson
Geophys. Res. Lett. 31 巻 ( L15803 ) 頁: doi:10.1029/2004GL020262 2004年
Spatial relationship of equatorial plasma bubbles and field-aligned irregularities observed with an all-sky airglow imager and the Equatorial Atmosphere Radar 査読有り
Otsuka, Y., K. Shiokawa, T. Ogawa, T. Yokoyama, M. Yamamoto, and S. Fukao
Geophys. Res. Lett. 31 巻 ( L20802 ) 頁: 10.1029/2004GL020869 2004年
Generation of large-scale equatorial F-region plasma depletions during low range spread-F season 査読有り
Sahai, Y; Fagundes, PR; Abalde, JR; Pimenta, AA; Bittencourt, JA; Otsuka, Y; Rios, VH
ANNALES GEOPHYSICAE 22 巻 ( 1 ) 頁: 15 - 23 2004年
Time evolution of high-altitude plasma bubbles imaged at geomagnetic conjugate points 査読有り
Shiokawa, K; Otsuka, Y; Ogawa, T; Wilkinson, P
ANNALES GEOPHYSICAE 22 巻 ( 9 ) 頁: 3137 - 3143 2004年
Ray-tracing Calculation of VHF Radio Waves Scattered by Field-aligned Irregularities Associated with Equatorial Plasma Bubbles 査読有り
Hiroyuki Nakata, Yoshiaki Akaike, Yuichi Otsuka, Toshiaki Takano, Satoshi Ujigawa, Ikuo Nagashima
IEEJ Transactions on Fundamentals and Materials 124 巻 ( 12 ) 頁: 1253 - 1254 2004年
Thermospheric wind during a storm-time large-scale traveling ionospheric disturbance 査読有り
Shiokawa, K; Otsuka, Y; Ogawa, T; Kawamura, S; Yamamoto, M; Fukao, S; Nakamura, T; Tsuda, T; Balan, N; Igarashi, K; Lu, G; Saito, A; Yumoto, K
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 108 巻 ( A12 ) 2003年12月
Optical and radio measurements of a 630-nm airglow enhancement over Japan on 9 September 1999 査読有り
Otsuka, Y; Kadota, T; Shiokawa, K; Ogawa, T; Kawamura, S; Fukao, S; Zhang, SR
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 108 巻 ( A6 ) 2003年6月
Shiokawa, K; Otsuka, Y; Ihara, C; Ogawa, T; Rich, FJ
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 108 巻 ( A4 ) 2003年4月
Tsugawa, T; Saito, A; Otsuka, Y; Yamamoto, M
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 108 巻 ( A3 ) 2003年3月
Shiokawa, K; Ihara, C; Otsuka, Y; Ogawa, T
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 108 巻 ( A1 ) 2003年1月
Optical and radio measurements of a 630-nm enhancement over Japan on September 9, 1999 査読有り
Otsuka, Y., T. Kadota, K. Shiokawa, T. Ogawa, S. Kawamura,, S. Fukao, and S. -R. Zhang
J. Geophys. Res. 108(A6) 巻 ( 1252 ) 頁: doi:10.1029/2002JA009594 2003年
Shiokawa, K; Kadota, T; Otsuka, Y; Ogawa, T; Nakamura, T; Fukao, S
EARTH PLANETS AND SPACE 55 巻 ( 5 ) 頁: 271 - 275 2003年
Simultaneous middle and upper atmosphere radar and ionospheric sounder observations of midlatitude E region irregularities and sporadic E layer 査読有り
Ogawa T, Takahashi O, Otsuka Y, Nozaki K, Yamamoto M, Kita K
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 107 巻 ( A10 ) 2002年10月
Annual and semiannual variations of the midlatitude ionosphere under low solar activity 査読有り
Kawamura, S; Balan, N; Otsuka, Y; Fukao, S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 107 巻 ( A8 ) 2002年8月
Geomagnetic conjugate observations of equatorial airglow depletions 査読有り
Otsuka, Y; Shiokawa, K; Ogawa, T; Wilkinson, P
GEOPHYSICAL RESEARCH LETTERS 29 巻 ( 15 ) 2002年8月
A large-scale traveling ionospheric disturbance during the magnetic storm of 15 September 1999 査読有り
Shiokawa, K; Otsuka, Y; Ogawa, T; Balan, N; Igarashi, K; Ridley, AJ; Knipp, DJ; Saito, A; Yumoto, K
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 107 巻 ( A6 ) 2002年6月
Geomagnetic conjugate observations of equatorial airglow depletions 査読有り
Otsuka, Y., K. Shiokawa, T. Ogawa, and P. Wilkinson
Geophys. Res. Lett. 29 巻 頁: 10.1029/2002GL015347 2002年
*A new technique for mapping of total electron content using GPS network in Japan 査読有り
Otsuka, Y., T. Ogawa, A. Saito, T. Tsugawa, S. Fukao, and S. Miyazaki
Earth, Planets, and Space 54 巻 頁: 63-70 2002年
A new technique for mapping of total electron content using GPS network in Japan 査読有り
Otsuka, Y; Ogawa, T; Saito, A; Tsugawa, T; Fukao, S; Miyazaki, S
EARTH PLANETS AND SPACE 54 巻 ( 1 ) 頁: 63 - 70 2002年
Imaging observations of the equatorward limit of midlatitude traveling ionospheric disturbances 査読有り
Shiokawa, K; Otsuka, Y; Ejiri, MK; Sahai, Y; Kadota, T; Ihara, C; Ogawa, T; Igarashi, K; Miyazaki, S; Saito, A
EARTH PLANETS AND SPACE 54 巻 ( 1 ) 頁: 57 - 62 2002年
Ogawa, T; Balan, N; Otsuka, Y; Shiokawa, K; Ihara, C; Shimomai, T; Saito, A
EARTH PLANETS AND SPACE 54 巻 ( 1 ) 頁: 45 - 56 2002年
Observations of traveling ionospheric disturbances and 3-m scale irregularities in the nighttime F-region ionosphere with the MU radar and a GPS network 査読有り
Saito A, Nishimura M, Yamamoto M, Fukao S, Tsugawa T, Otsuka Y, Miyazaki S, Kelley MC
EARTH PLANETS AND SPACE 54 巻 ( 1 ) 頁: 31 - 44 2002年
Regional ionosphere map over Japanese Islands 査読有り
Ping, J; Kono, Y; Matsumoto, K; Otsuka, Y; Saito, A; Shum, C; Heki, K; Kawano, N
EARTH PLANETS AND SPACE 54 巻 ( 12 ) 頁: E13 - E16 2002年
Balan, N; Otsuka, Y; Tsugawa, T; Miyazaki, S; Ogawa, T; Shiokawa, K
EARTH PLANETS AND SPACE 54 巻 ( 1 ) 頁: 71 - 79 2002年
Annual and semiannual variations of the midlatitude ionosphere under low solar activity 査読有り
S. Kawamura, N. Balan, Y. Otsuka, S. Fukao
Journal of Geophysical Research: Space Physics 107 巻 ( 8 ) 2002年
Imaging observations of midlatitude ionospheric disturbances during the geomagnetic storm of February 12, 2000 査読有り
Y Sahai, K Shiokawa, Y Otsuka, C Ihara, T Ogawa, K Igarashi, S Miyazaki, A Saito
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 106 巻 ( A11 ) 頁: 24481 - 24492 2001年11月
Three-channel imaging Fabry-Perot interferometer for measurement of mid-latitude airglow 査読有り
Shiokawa, K; Kadota, T; Ejiri, MK; Otsuka, Y; Katoh, Y; Satoh, M; Ogawa, T
APPLIED OPTICS 40 巻 ( 24 ) 頁: 4286 - 4296 2001年8月
Traveling ionospheric disturbances detected in the FRONT campaign 査読有り
Saito, A; Nishimura, M; Yamamoto, M; Fukao, S; Kubota, M; Shiokawa, K; Otsuka, Y; Tsugawa, T; Ogawa, T; Ishii, M; Sakanoi, T; Miyazaki, S
GEOPHYSICAL RESEARCH LETTERS 28 巻 ( 4 ) 頁: 689 - 692 2001年2月
Shiokawa, K; Ejiri, MK; Otsuka, Y; Ogawa, T; Kubota, M; Igarashi, K; Saito, A; Nakamura, T
GEOPHYSICAL RESEARCH LETTERS 27 巻 ( 24 ) 頁: 4057 - 4060 2000年12月
Kubota, M; Shiokawa, K; Ejiri, MK; Otsuka, Y; Ogawa, T; Sakanoi, T; Fukunishi, H; Yamamoto, M; Fukao, S; Saito, A
GEOPHYSICAL RESEARCH LETTERS 27 巻 ( 24 ) 頁: 4037 - 4040 2000年12月
Shiokawa, K; Otsuka, Y; Ogawa, T; Igarashi, K; Miyazaki, S; Rich, FJ; Saito, A; Yumoto, Y
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 105 巻 ( A12 ) 頁: 27067 - 27080 2000年12月
A study of the forenoon ionospheric F-2 layer behavior over the middle and upper atmospheric radar 査読有り
Zhang, SR, WL Oliver, S Fukao, Y Otsuka
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 105 巻 ( A7 ) 頁: 15823 - 15833 2000年7月
A climatology of middle and upper atmosphere radar observations of thermospheric winds 査読有り
S Kawamura, Y Otsuka, Zhang, SR, S Fukao, WL Oliver
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 105 巻 ( A6 ) 頁: 12777 - 12788 2000年6月
The IRI's B parameters measured by the MU radar 査読有り
Zhang, SR, S Fukao, XY Huang, Y Otsuka
LOWER IONOSPHERE: MEASUREMENTS AND MODELS 25 巻 ( 1 ) 頁: 101 - 104 2000年
Annual variations of the ionosphere: A review based on MU radar observations 査読有り
N Balan, Y Otsuka, S Fukao, MA Abdu, GJ Bailey
LOWER IONOSPHERE: MEASUREMENTS AND MODELS 25 巻 ( 1 ) 頁: 153 - 162 2000年
The height of the maximum ionospheric electron density over the MU radar 査読有り
Zhang, SR, S Fukao, WL Oliver, Y Otsuka
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 61 巻 ( 18 ) 頁: 1367 - 1383 1999年12月
The height of the maximum ionospheric electron density over the MU radar 査読有り
Journal of Atmospheric and Solar-Terrestrial Physics 61 巻 頁: 1367-83 1999年
MU radar observations of H+ ions in the topside ionosphere 査読有り
Kawamura S, Otsuka Y, Oliver WL, Balan N, Fukao S
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 103 巻 ( A9 ) 頁: 20697 - 20704 1998年9月
Plasma temperature variations in the ionosphere over the middle and upper atmosphere radar 査読有り
Otsuka, Y; Kawamura, S; Balan, N; Fukao, S; Bailey, GJ
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 103 巻 ( A9 ) 頁: 20705 - 20713 1998年9月
MST radar measurement of ionospheric F region winds: The "layer wind" technique 査読有り
WL Oliver, Y Otsuka, S Fukao
RADIO SCIENCE 33 巻 ( 4 ) 頁: 941 - 948 1998年7月
Equinoctial asymmetries in the ionosphere and thermosphere observed by the MU radar 査読有り
N Balan, Y Otsuka, GJ Bailey, S Fukao
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 103 巻 ( A5 ) 頁: 9481 - 9495 1998年5月
MU radar observations of H+ ions in the topside ionosphere 査読有り
Journal of Geophysical Research 103 巻 頁: 20,697-20,704 1998年
MST radar measurement of ionospheric F region winds:The "layer-wind" technique 査読有り
Radio Science 33 巻 頁: 941-948 1998年
Equinoctial asymmetries in the ionosphere and thermosphere observed by the MU radar 査読有り
Journal of Geophysical Research 103 巻 頁: 9,481-9,495 1998年
Plasma temperature variations in the ionosphereover the middle and upper atmosphere radar 査読有り
Journal of Geophysical Research 103 巻 頁: 20,705-20,713 1998年
New aspects in the annual variation of the ionosphere observed by the MU radar 査読有り
N Balan, Y Otsuka, S Fukao
GEOPHYSICAL RESEARCH LETTERS 24 巻 ( 18 ) 頁: 2287 - 2290 1997年9月
A climatology of F region gravity wave propagation over the middle and upper atmosphere radar 査読有り
WL Oliver, Y Otsuka, M Sato, T Takami, S Fukao
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 102 巻 ( A7 ) 頁: 14499 - 14512 1997年7月
A climatology of F region gravity wave propagation over the middle and upper atmosphere radar 査読有り
Journal of Geophysical Research 102 巻 頁: 14,499-14,512 &nb