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Authors: Wang Hui, He Yangfan, ühr Hermann, Kistler Lynn, Saikin Anthony, et al.
Title: Storm Time EMIC Waves Observed by Swarm and Van Allen Probe Satellites
Abstract: The temporal and spatial evolution of electromagnetic ion cyclotron (EMIC) waves during the magnetic storm of 21–29 June 2015 was investigated using high‐resolution magnetic field observations from Swarm constellation in the ionosphere and Van Allen Probes in the magnetosphere. Magnetospheric EMIC waves had a maximum occurrence frequency in the afternoon sector and shifted equatorward during the expansion phase and poleward during the recovery phase. However, ionospheric waves in subauroral regions occurred more frequently in the nighttime than during the day and exhibited less obvious latitudinal movements. During the main phase, dayside EMIC waves occurred in both the ionosphere and magnetosphere in response to the dramatic increase in the solar wind dynamic pressure. Waves were abse. . .
Date: 01/2019 Publisher: Journal of Geophysical Research: Space Physics Pages: 293 - 312 DOI: 10.1029/2018JA026299 Available at:
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