Faculty Profiles - OTSUKA, Yuichi

Papers - OTSUKA, Yuichi

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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 Vol. 74 ( 12 ) page： 6325 - 6342 2024.12

Longitudinal Range of the Eastward-Traveling Equatorial Plasma Bubble Inducing Ionospheric Scintillation Reviewed Open Access

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 Vol. 22 ( 8 ) 2024.8

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 Reviewed International coauthorship Open Access

Fu, WZ; Otsuka, Y; Ssessanga, N

EARTH PLANETS AND SPACE Vol. 76 ( 1 ) 2024.7

Leveraging machine learning techniques and GPS measurements for precise TEC rate predictions Reviewed International coauthorship

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

GPS SOLUTIONS Vol. 28 ( 3 ) 2024.7

Thank You to Our 2023 Peer Reviewers Reviewed International coauthorship Open Access

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 Vol. 51 ( 9 ) 2024.5

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 Vol. 36 ( 3 ) page： 1281 - 1289 2024.5

Assessing the potential of ionosonde for forecasting post-sunset equatorial spread F: an observational experiment in Southeast Asia Reviewed International coauthorship Open Access

Abadi, P; Ahmad, UA; Otsuka, Y; Jamjareegulgarn, P; Almahi, A; Perwitasari, S; Supriadi, S; Harjupa, W; Septiawan, RR

EARTH PLANETS AND SPACE Vol. 75 ( 1 ) 2023.12

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

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

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS Vol. 252 2023.11

Daytime Medium Scale Traveling Ionospheric Disturbances (MSTIDS) Over the Andes Mountains at Equatorial and Low Magnetic Latitudes Reviewed International coauthorship Open Access

Figueiredo, CAOB; Wrasse, CM; Vadas, S; Takahashi, H; Otsuka, Y; Nyassor, PK; Shiokawa, K; Paulino, I; Barros, D

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS Vol. 128 ( 10 ) 2023.10

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 Reviewed International coauthorship

Vol. 72 ( 3 ) page： 775 - 789 2023.8

Equatorial plasma bubble intensities across longitudinal sectors of the globe using GNSS observations Reviewed International coauthorship

Vol. 249 2023.8

Statistical Analysis of the Horizontal Phase Velocity Distribution of Atmospheric Gravity Waves and Medium-Scale Traveling Ionospheric Disturbances in Airglow Images Over Darwin (12.4°S, 131.0°E)

Tsuboi, T; Shiokawa, K; Otsuka, Y; Fujinami, H; Nakamura, T; Neudegg, D

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS Vol. 128 ( 8 ) 2023.8

Ionospheric disturbances over South America related to Tonga volcanic eruption Reviewed International coauthorship Open Access

Vol. 75 ( 1 ) 2023.5

Day-to-day variability of the equatorial ionosphere in Asian sector during August-October 2019 Reviewed International coauthorship Open Access

Vol. 10 2023.5

Multi-Event Conjugate Measurements of the SAR Arc Detachment From the Auroral Oval Using DMSP Satellites and an All-Sky Camera at Athabasca, Canada Reviewed International coauthorship

Vol. 128 ( 4 ) 2023.4

Solved and unsolved riddles about low-latitude daytime valley region plasma waves and 150-km echoes Reviewed International coauthorship Open Access

Vol. 10 2023.2

Tandem Observations of Nighttime Mid-Latitude Topside Ionospheric Perturbations Reviewed International coauthorship Open Access

Vol. 21 ( 2 ) 2023.2

Ionospheric Modulation by EMIC Wave-Driven Proton Precipitation: Observations and Simulations Reviewed International coauthorship Open Access

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 Vol. 128 ( 1 ) 2023.1

Relationship between geomagnetic storms and occurrence of ionospheric irregularities in the west sector of Africa during the peak of the 24th solar cycle Open Access

Ondede, GO; Rabiu, AB; Okoh, D; Baki, P; Olwendo, J; Shiokawa, K; Otsuka, Y

FRONTIERS IN ASTRONOMY AND SPACE SCIENCES Vol. 9 2022.11

Localized mesospheric ozone destruction corresponding to isolated proton aurora coming from Earth's radiation belt Open Access

Ozaki Mitsunori, Shiokawa Kazuo, Kataoka Ryuho, Mlynczak Martin, Paxton Larry, Connors Martin, Yagitani Satoshi, Hashimoto Shion, Otsuka Yuichi, Nakahira Satoshi, Mann Ian

SCIENTIFIC REPORTS Vol. 12 ( 1 ) 2022.10

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Papers - OTSUKA, Yuichi