研究者詳細 - 大塚　雄一

論文 - 大塚　雄一

分割表示 484 件中 1 - 20 件目／全件表示 >>

Was the Unseasonal Development of Post-Sunset Equatorial Plasma Bubbles in Southeast Asia Driven by Quasi-2-Day Planetary Waves?

Dai, GF; Li, GZ; Otsuka, Y; Hu, LH; Sun, WJ; Ning, BQ; Zhang, DH; Lei, JH; Xie, HY; Zhao, XK; Nishioka, M; Perwitasari, S; Jamjareegulgarn, P; Li, Y; Yan, CX

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 130 巻 ( 3 ) 2025年3月

Thank You to Our 2024 Reviewers

Karnauskas, K; Aiyyer, A; Camargo, S; Capitanio, F; Feakins, S; Fulweiler, R; Ganju, N; Giannini, A; Gu, Y; Huber, C; Ivanov, V; Korte, M; Kumar, S; Lewis, K; Magnusdottir, G; Morlighem, M; Otsuka, Y; Prieto, GA; Qiu, B; Russell, L; Seki, K; Su, H; Sun, DY; Viswanathan, H; Wang, GL; Wang, KC; White, AE; Williams, Q; Zhang, L

GEOPHYSICAL RESEARCH LETTERS 52 巻 ( 4 ) 2025年2月

Medium-scale traveling ionospheric disturbances created by primary gravity waves generated by a winter storm

Kogure, M; Chou, MY; Yue, J; Otsuka, Y; Liu, HX; Sassi, F; Pedatella, N; Randall, CE; Harvey, VL

JOURNAL OF SPACE WEATHER AND SPACE CLIMATE 14 巻 2024年12月

Machine learning approach for ionospheric scintillation prediction on ROTI parameter over the African region during solar cycle 24

Tete, S; Otsuka, Y; Zahra, WK; Mahrous, A

ADVANCES IN SPACE RESEARCH 74 巻 ( 12 ) 頁： 6325 - 6342 2024年12月

X-Raying Neutral Density Disturbances in the Mesosphere and Lower Thermosphere Induced by the 2022 Hunga-Tonga Volcano Eruption-Explosion

Katsuda, S; Shinagawa, H; Fujiwara, H; Jin, HDKT; Miyoshi, Y; Miyoshi, Y; Motizuki, Y; Nakajima, M; Nakazawa, K; Nobukawa, KK; Otsuka, Y; Shinbori, A; Sori, T; Tao, CHR; Tashiro, MS; Wada, Y; Yamawaki, T

GEOPHYSICAL RESEARCH LETTERS 51 巻 ( 20 ) 2024年10月

Longitudinal Range of the Eastward-Traveling Equatorial Plasma Bubble Inducing Ionospheric Scintillation 査読有り

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

High-resolution 3-D imaging of electron density perturbations using ultra-dense GNSS observation networks in Japan: an example of medium-scale traveling ionospheric disturbances 査読有り国際共著

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

Permulaan Gelembung Plasma Khatulistiwa Semasa Angin Neutral Kuat dan Lemah di Asia Tenggara

Sarudin, I; Hamid, NSA; Abdullah, M; Buhari, SM; Otsuka, Y; Perwitasari, S; Yatini, C

JURNAL KEJURUTERAAN 36 巻 ( 3 ) 頁： 1281 - 1289 2024年5月

Assessing the potential of ionosonde for forecasting post-sunset equatorial spread F: an observational experiment in Southeast Asia 査読有り国際共著

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

Equinoctial asymmetry of plasma bubble occurrence and electric field at evening: GPS and ionosonde measurements in Southeast Asia 査読有り

Otsuka, Y; Abadi, P; Hozumi, K; Almahi, A

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 252 巻 2023年11月

Daytime Medium Scale Traveling Ionospheric Disturbances (MSTIDS) Over the Andes Mountains at Equatorial and Low Magnetic Latitudes 査読有り国際共著

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

Responses of the African-European equatorial-, low-, mid-, and high-latitude ionosphere to geomagnetic storms of 2013, 2015 St Patrick's Days, 1 June 2013, and 7 October 2015 査読有り国際共著

Akala, AO; Afolabi, RO; Otsuka, Y

ADVANCES IN SPACE RESEARCH 72 巻 ( 3 ) 頁： 775 - 789 2023年8月

Equatorial plasma bubble intensities across longitudinal sectors of the globe using GNSS observations 査読有り国際共著

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

Multi-Event Conjugate Measurements of the SAR Arc Detachment From the Auroral Oval Using DMSP Satellites and an All-Sky Camera at Athabasca, Canada 査読有り国際共著

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

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