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Y. Otsuka · SciRah

Researcher profile · Semantic Scholar

Y. Otsuka

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Y. Otsuka — researcher profile on SciRah

h-index: 58
Works: 437
Citations: 9,760

Most-cited papers

Challenges to Equatorial Plasma Bubble and Ionospheric Scintillation Short-Term Forecasting and Future Aspects in East and Southeast Asia
Guo-Zhu Li, B. Ning, Y. Otsuka, M. Abdu +4 more
2020Surveys in geophysics123 citations Open access
Semantic Scholar
Storm‐Enhanced Development of Postsunset Equatorial Plasma Bubbles Around the Meridian 120°E/60°W on 7–8 September 2017
Guo-Zhu Li, B. Ning, Chi Wang, M. Abdu +4 more
2018Journal of Geophysical Research - Space Physics95 citations Open access
Semantic Scholar
Review of the generation mechanisms of post-midnight irregularities in the equatorial and low-latitude ionosphere
Y. Otsuka
2018Progress in Earth and Planetary Science93 citations Open access
Semantic Scholar
Equatorial plasma bubble seeding by MSTIDs in the ionosphere
Hisao Takahashi, C. Wrasse, C. Figueiredo, D. Barros +3 more
2018Progress in Earth and Planetary Science82 citations Open access
Semantic Scholar
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
A. Shinbori, Y. Otsuka, T. Sori, M. Nishioka +3 more
2022Earth, Planets and Space67 citations Open access
Semantic Scholar
Development of multivariate ionospheric TEC forecasting algorithm using linear time series model and ARMA over low-latitude GNSS station
D. Ratnam, Y. Otsuka, G. Sivavaraprasad, J R K Kumar Dabbakuti
2019Advances in Space Research67 citations
Semantic Scholar
A Neural Network‐Based Ionospheric Model Over Africa From Constellation Observing System for Meteorology, Ionosphere, and Climate and Ground Global Positioning System Observations
D. Okoh, Gopi K Seemala, B. Rabiu, J. Habarulema +12 more
2019Journal of Geophysical Research - Space Physics64 citations
Semantic Scholar
Medium‐Scale Traveling Ionospheric Disturbances
Y. Otsuka
2021Geophysical Monograph Series56 citations
Semantic Scholar
Visualization of rapid electron precipitation via chorus element wave–particle interactions
M. Ozaki, Y. Miyoshi, K. Shiokawa, K. Hosokawa +24 more
2019Nature Communications54 citations Open access
Semantic Scholar
Solar activity dependence of medium-scale traveling ionospheric disturbances using GPS receivers in Japan
Y. Otsuka, A. Shinbori, T. Tsugawa, M. Nishioka
2021Earth, Planets and Space50 citations Open access
Semantic Scholar
Total Electron Content Observations by Dense Regional and Worldwide International Networks of GNSS
T. Tsugawa, M. Nishioka, M. Ishii, K. Hozumi +7 more
2018Journal of Disaster Research40 citations Open access
Semantic Scholar
Observation and characterization of traveling ionospheric disturbances induced by solar eclipse of 20 March 2015 using incoherent scatter radars and GPS networks
S. Panasenko, Y. Otsuka, M. van de Kamp, L. Chernogor +3 more
2019Journal of Atmospheric and Solar-Terrestrial Physics39 citations
Semantic Scholar
Temporal and Spatial Variations of Total Electron Content Enhancements During a Geomagnetic Storm on 27 and 28 September 2017
A. Shinbori, Y. Otsuka, T. Sori, T. Tsugawa +1 more
2020Journal of Geophysical Research - Space Physics37 citations Open access
Semantic Scholar
Response of the Ionosphere‐Plasmasphere Coupling to the September 2017 Storm: What Erodes the Plasmasphere so Severely?
Y. Obana, N. Maruyama, A. Shinbori, K. Hashimoto +13 more
2019Space Weather31 citations Open access
Semantic Scholar
Rapid Loss of Relativistic Electrons by EMIC Waves in the Outer Radiation Belt Observed by Arase, Van Allen Probes, and the PWING Ground Stations
S. Kurita, Y. Miyoshi, K. Shiokawa, N. Higashio +13 more
2018Geophysical Research Letters30 citations Open access
Semantic Scholar
A confirmation of vertical acoustic resonance and field-aligned current generation just after the 2022 Hunga Tonga Hunga Ha’apai volcanic eruption
T. Iyemori, M. Nishioka, Y. Otsuka, A. Shinbori
2022Earth, Planets and Space27 citations Open access
Semantic Scholar
Daytime Periodic Wave‐like Structures in the Ionosphere Observed at Low Latitudes over the Asian‐Australian Sector Using Total Electron Content from Beidou Geostationary Satellites
Fu-Qing Huang, Y. Otsuka, J. Lei, X. Luan +2 more
2019Journal of Geophysical Research: Space Physics25 citations
Semantic Scholar
Plasma depletions lasting into daytime during the recovery phase of a geomagnetic storm in May 2017: Analysis and simulation of GPS total electron content observations
Y. Otsuka, A. Shinbori, T. Sori, T. Tsugawa +2 more
2021Earth and Planetary Physics24 citations Open access
Semantic Scholar
Generation of equatorial plasma bubble after the 2022 Tonga volcanic eruption
A. Shinbori, T. Sori, Y. Otsuka, M. Nishioka +10 more
2023Scientific Reports23 citations Open access
Semantic Scholar
Statistical study of medium-scale traveling ionospheric disturbances in low-latitude ionosphere using an automatic algorithm
Pin‐Hsuan Cheng, C. Lin, Y. Otsuka, Han L. Liu +4 more
2020Earth, Planets and Space23 citations Open access
Semantic Scholar
Daytime F-region irregularity triggered by rocket-induced ionospheric hole over low latitude
Guo-Zhu Li, B. Ning, M. A. Abdu, Chi Wang +8 more
2018Progress in Earth and Planetary Science23 citations Open access
Semantic Scholar
Statistical Analysis of SAR Arc Detachment From the Main Oval Based on 11‐Year, All‐Sky Imaging Observation at Athabasca, Canada
Yuki Takagi, K. Shiokawa, Y. Otsuka, M. Connors +1 more
201822 citations Open access
Semantic Scholar
Multi‐Event Analysis of Plasma and Field Variations in Source of Stable Auroral Red (SAR) Arcs in Inner Magnetosphere During Non‐Storm‐Time Substorms
Y. Inaba, K. Shiokawa, S. Oyama, Y. Otsuka +32 more
2021Journal of Geophysical Research - Space Physics21 citations Open access
Semantic Scholar
Temporal and Spatial Variations of Storm Time Midlatitude Ionospheric Trough Based on Global GNSS‐TEC and Arase Satellite Observations
A. Shinbori, Y. Otsuka, T. Tsugawa, M. Nishioka +8 more
2018Geophysical Research Letters21 citations Open access
Semantic Scholar
Relationship Between the Locations of the Midlatitude Trough and Plasmapause Using GNSS‐TEC and Arase Satellite Observation Data
A. Shinbori, Y. Otsuka, T. Tsugawa, M. Nishioka +5 more
2021Journal of Geophysical Research - Space Physics20 citations Open access
Semantic Scholar
Day-to-day variation of pre-reversal enhancement in the equatorial ionosphere based on GAIA model simulations
P. Ghosh, Y. Otsuka, Sivakandan Mani, H. Shinagawa
2020Earth, Planets and Space20 citations Open access
Semantic Scholar
Comparison of seasonal and longitudinal variation of daytime MSTID activity using GPS observation and GAIA simulations
M. Sivakandan, Y. Otsuka, P. Ghosh, H. Shinagawa +2 more
2021Earth, Planets and Space19 citations Open access
Semantic Scholar
Multi‐Wavelength Imaging Observations of STEVE at Athabasca, Canada
S. Yadav, K. Shiokawa, Y. Otsuka, M. Connors +1 more
2021Journal of Geophysical Research - Space Physics19 citations Open access
Semantic Scholar
Localized mesospheric ozone destruction corresponding to isolated proton aurora coming from Earth’s radiation belt
M. Ozaki, K. Shiokawa, R. Kataoka, M. Mlynczak +7 more
2022Scientific Reports18 citations Open access
Semantic Scholar
Geomagnetic conjugacy of plasma bubbles extending to mid-latitudes during a geomagnetic storm on March 1, 2013
T. Sori, Y. Otsuka, A. Shinbori, M. Nishioka +1 more
2022Earth, Planets and Space18 citations Open access
Semantic Scholar
Multi‐instrument study of longitudinal wave structures for plasma bubble seeding in the equatorial ionosphere
H. Takahashi, P. Essien, C. Figueiredo, C. Wrasse +5 more
2021Earth and Planetary Physics18 citations Open access
Semantic Scholar
Isolated Proton Aurora Driven by EMIC Pc1 Wave: PWING, Swarm, and NOAA POES Multi‐Instrument Observations
Hyangpyo Kim, K. Shiokawa, Jaeheung Park, Y. Miyoshi +12 more
2021Geophysical Research Letters18 citations Open access
Semantic Scholar
Statistical Behavior of Large‐Scale Ionospheric Disturbances From High Latitudes to Mid‐Latitudes During Geomagnetic Storms Using 20‐yr GNSS‐TEC Data: Dependence on Season and Storm Intensity
A. Shinbori, Y. Otsuka, T. Sori, T. Tsugawa +1 more
2022Journal of Geophysical Research - Space Physics17 citations
Semantic Scholar
Roles of thermospheric neutral wind and equatorial electrojet in pre‐reversal enhancement, deduced from observations in Southeast Asia
P. Abadi, Y. Otsuka, Hui-Xin Liu, K. Hozumi +4 more
2021Earth and Planetary Physics17 citations Open access
Semantic Scholar
Plasma and Field Observations in the Magnetospheric Source Region of a Stable Auroral Red (SAR) Arc by the Arase Satellite on 28 March 2017
Y. Inaba, K. Shiokawa, S. Oyama, Y. Otsuka +21 more
2020Journal of Geophysical Research - Space Physics17 citations Open access
Semantic Scholar
Modeling Post-Sunset Equatorial Spread-F Occurrence as a Function of Evening Upward Plasma Drift Using Logistic Regression, Deduced from Ionosondes in Southeast Asia
P. Abadi, U. A. Ahmad, Y. Otsuka, Punyawi Jamjareegulgarn +5 more
2022Remote Sensing16 citations Open access
Semantic Scholar
Ionospheric Modulation by EMIC Wave‐Driven Proton Precipitation: Observations and Simulations
X. Tian, Yi-Qun Yu, Fan Gong, Long Ma +7 more
2023Journal of Geophysical Research - Space Physics15 citations Open access
Semantic Scholar
Statistical analysis for EUV dynamic spectra and their impact on the ionosphere during solar flares
Shohei Nishimoto, Kyoko Watanabe, Hidekatsu Jin, Toshiki Kawai +6 more
2023Earth, Planets and Space15 citations Open access
Semantic Scholar
Model-based reproduction and validation of the total spectra of a solar flare and their impact on the global environment at the X9.3 event of September 6, 2017
Kyoko Watanabe, Hidekatsu Jin, Shohei Nishimoto, S. Imada +6 more
2020Earth, Planets and Space15 citations Open access
Semantic Scholar
Generation Mechanisms of Plasma Density Irregularity in the Equatorial Ionosphere During a Geomagnetic Storm on 21–22 December 2014
T. Sori, A. Shinbori, Y. Otsuka, T. Tsugawa +2 more
2022Journal of Geophysical Research - Space Physics14 citations
Semantic Scholar
L‐Band Synthetic Aperture Radar Observation of Ionospheric Density Irregularities at Equatorial Plasma Depletion Region
Hiroatsu Sato, Jun Su Kim, Y. Otsuka, C. Wrasse +2 more
2021Geophysical Research Letters14 citations Open access
Semantic Scholar
Equatorial Plasma Bubble Occurrence Under Propagation of MSTID and MLT Gravity Waves
Hisao Takahashi, C. Wrasse, C. Figueiredo, D. Barros +5 more
2020Journal of Geophysical Research - Space Physics14 citations Open access
Semantic Scholar
IpsDst of Dst Storms Applied to Ionosphere‐Thermosphere Storms and Low‐Latitude Aurora
N. Balan, Qing-He Zhang, K. Shiokawa, R. Skoug +3 more
2019Journal of Geophysical Research: Space Physics13 citations
Semantic Scholar
PSTEP: project for solar–terrestrial environment prediction
K. Kusano, K. Ichimoto, M. Ishii, Y. Miyoshi +47 more
2021Earth, Planets and Space12 citations Open access
Semantic Scholar
Ionospheric disturbances over South America related to Tonga volcanic eruption
H. Takahashi, C. Figueiredo, D. Barros, C. Wrasse +9 more
2023Earth, Planets and Space10 citations Open access
Semantic Scholar
Propagation Direction Analyses of Medium‐Scale Traveling Ionospheric Disturbances Observed Over North America With GPS‐TEC Perturbation Maps by Three‐Dimensional Spectral Analysis Method
S. Perwitasari, Takuji Nakamura, T. Tsugawa, M. Nishioka +7 more
2022Journal of Geophysical Research: Space Physics10 citations
Semantic Scholar
On the Role of E‐F Region Coupling in the Generation of Nighttime MSTIDs During Summer and Equinox: Case Studies Over Northern Germany
M. Sivakandan, C. Martinis, Y. Otsuka, J. Chau +8 more
2022Journal of Geophysical Research - Space Physics10 citations Open access
Semantic Scholar
Simultaneous Observation of Two Isolated Proton Auroras at Subauroral Latitudes by a Highly Sensitive All‐Sky Camera and Van Allen Probes
Kohki Nakamura, K. Shiokawa, Y. Otsuka, A. Shinbori +9 more
2021Journal of Geophysical Research - Space Physics10 citations Open access
Semantic Scholar
Wavenumber Spectra of Atmospheric Gravity Waves and Medium‐Scale Traveling Ionospheric Disturbances Based on More Than 10‐Year Airglow Images in Japan, Russia, and Canada
S. Tsuchiya, K. Shiokawa, Y. Otsuka, Takuji Nakamura +5 more
2020Journal of Geophysical Research - Space Physics10 citations Open access
Semantic Scholar
Propagation characteristics of sporadic E and medium-scale traveling ionospheric disturbances (MSTIDs): statistics using HF Doppler and GPS-TEC data in Japan
Ryo Matsushima, K. Hosokawa, J. Sakai, Y. Otsuka +3 more
2022Earth, Planets and Space9 citations Open access
Semantic Scholar

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M. Nishioka×19
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M. Nishioka — researcher profile on SciRah
K. Shiokawa×15
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K. Shiokawa — researcher profile on SciRah
T. Tsugawa×15
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A. Shinbori×12
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