Yasunobu Ogawa

The Graduate University for Advanced Studies, SOKENDAI — Japan

Physics and Astronomy · Physical Sciences

30h-index4.4kcitations502works1.52yr avg
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Research Topics

Ionosphere and magnetosphere dynamics(328), Solar and Space Plasma Dynamics(168), Earthquake Detection and Analysis(142), Geomagnetism and Paleomagnetism Studies(72), Atmospheric Ozone and Climate(64)

Publications502 total

Observations of fragmented aurora-like emissions and picket fence on the poleward edge of the auroral oval
Annales Geophysicae·2026Open Access
Poleward Disturbances in Thermospheric Winds During the 3–4 November 2021 Geomagnetic Storm
Journal of Geophysical Research Space Physics·2026
On the Influence of the Long-Term History of Magnetospheric Activity on the Precipitation of Energetic Electron Fluxes into the Auroral Ionosphere
Springer proceedings in earth and environmental sciences·2026
Hardness of precipitating particle energy spectrum revealed by spectral riometer: the May 2024 Extreme Space Weather Event
2025Open Access
Prediction of thermospheric CO2 emission using Machine Learning Technique
Advances in Space Research·2025
Intense Dynamic Optical Auroral Sub‐Structure as a Proxy for Ionospheric Density Irregularities
Journal of Geophysical Research Space Physics·2025Open Access
Effects of geomagnetic mirror force and pitch angles of precipitating electrons on ionization of the polar upper atmosphere
Annales Geophysicae·2025Open Access
Reconstruction of Mesoscale Flow and Electric Fields in the Ionospheric F-Region: A Feasibility Study for Observations with EISCAT_3D
2025
Observations of Fragmented Aurora-like Emissions and Picket Fence on the Poleward Edge of the Auroral Oval
2025Open Access
Suppression of ion heating in the cusp during plasma flow burst
Earth Planets and Space·2025Open Access
Dayside Shock Aurora at the Beginning of the May 2024 Superstorm: South Pole–THEMIS Spacecraft Conjunction
Journal of Geophysical Research Space Physics·2025· 1 cited
Leaping and vortex motion of the shock aurora toward the late evening sector observed on 26 February 2023
Annales Geophysicae·2025Open Access
Characteristics of the ambipolar electric field during ion upflow events
Earth Planets and Space·2025Open Access
Plasma structuring within an expanded polar cap and cusp studied with the SS-520-3 sounding rocket
Earth Planets and Space·2025· 2 citedOpen Access
Spatio-temporal evolution of the mean energy of the precipitating electron flux in poleward-propagating pulsating auroras
2025Open Access
Thermospheric Orthohelium, He23S $\mathrm{H}\mathrm{e}\left({\mathrm{2}}^{\mathrm{3}}\mathrm{S}\right)$, Variations Associated With a Moderate Storm in February 2023: The NIRAS‐2 Observations at the Kjell Henriksen Observatory (78.1°N, 16.0°E), Svalbard
Space Weather·2025Open Access
Effects of geomagnetic mirror force and pitch angles of precipitating electrons on ionization of the polar upper atmosphere
2025Open Access
Plasma structuring within an expanded polar cap and cusp studied with the SS-520-3 sounding rocket
2025Open Access
Variations in the Arctic upper atmosphere since the early 20th century: Relation to Arctic surface warming and cooling
2025Open Access
Characteristics of the Ambipolar Electric Field during Ion Upflow Events
2025Open Access
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Frequent Co-authors

Keisuke Hosokawa(18), Satonori Nozawa(15), Shin‐ichiro Oyama(14), Ryoichi Fujii(13), Yoshizumi Miyoshi(10), S. Buchert(10), Satoshi Kurita(8), Fuminori Tsuchiya(8), K. Shiokawa(7), Akira Kadokura(7), Yuichi Otsuka(6), Mitsunori Ozaki(6), Atsushi Kumamoto(6), M. J. Kosch(6), Yoshimasa Tanaka(6), Takeshi Sakanoi(5), Naru Hirata(5), Yoshiya Kasahara(5), Shoya Matsuda(5), Ryuho Kataoka(5)