Magnetosphere-ionosphere coupling of EMIC waves and MSTIDs based on the 
ground-based multi-point network observations by the PWING Project

Shiokawa, Kazuo

doi:10.57757/IUGG23-3700

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Magnetosphere-ionosphere coupling of EMIC waves and MSTIDs based on the ground-based multi-point network observations by the PWING Project

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Shiokawa, Kazuo
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Shiokawa, K. (2023): Magnetosphere-ionosphere coupling of EMIC waves and MSTIDs based on the ground-based multi-point network observations by the PWING Project, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3700

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020843

Abstract

The PWING project (study of dynamical variation of Particles and Waves in the INner magnetosphere using Ground-based network observations, 2016-2022) operates all-sky airglow/aurora imagers, 64-Hz sampled induction magnetometers, 40-kHz VLF receivers, and 64-Hz riometers at 8 stations at magnetic latitudes of ~60 degree around the north-pole. The PWING stations cover longitudinal variation of aurora and electromagnetic disturbances in the inner magnetosphere. In this presentation, we review recent three results obtained by this project. Nakamura et al. (JGR, 2021; 2022) identified electromagnetic ion cyclotron (EMIC) waves and plasma and electromagnetic field structures using the Van Allen Probes satellites in association with the isolated proton auroras at subauroral latitudes. Based on the multi-point network observations at subauroral latitudes, Liu et al. (JGR, 2022) have reported a statistical study of longitudinal extent of Pc1 geomagnetic pulsations which corresponds to the EMIC waves in the inner magnetosphere. Kawai et al. (JGR, 2021; 2022) identified electric field and plasma density variations in the inner magnetosphere observed by the Arase satellite in association with medium-scale traveling ionospheric disturbances (MSTIDs) identified by ground-based airglow imagers. PWING Team: http://www.isee.nagoya-u.ac.jp/dimr/PWING/en/Kawai et al. (JGR, 2021) https://doi.org/10.1029/2020JA0290862021Kawai et al. (JGR, 2022) https://doi.org/10.1029/2022JA030542Liu et al. (JGR, 2022) https://doi.org/10.1029/2021JA029987Nakamura et al. (JGR, 2021) https://doi.org/10.1029/2020JA029078Nakamura et al. (JGR, 2022) https://doi.org/10.1029/2022JA030455