Bibliography



Van Allen Probes Bibliography is from August 2012 through September 2021

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Prompt emergence and disappearance of EMIC waves driven by the sequentially enhanced solar wind dynamic pressure


AuthorXue, Zuxiang; Yuan, Zhigang; Yu, Xiongdong;
KeywordsEMIC wave; solar wind dynamic pressure; Magnetospheric compression; Multipoint observations; Van Allen Probes
AbstractVan Allen Probes (VAPs) and multiple ground-based stations simultaneously observed prompt emergences and disappearances of electromagnetic ion cyclotron (EMIC) waves driven by the sequentially enhanced solar wind dynamic pressure in the dayside inner magnetosphere on 6 November 2015. The measured hot protons (> 60 keV) display enhancements of perpendicular temperature during compressions, which provides sufficient temperature anisotropies for the EMIC wave generation so that the calculated linear growth rate also agrees well with the observed wave spectrum. There are bidirectionally propagating EMIC waves observed by VAPs at off equator regions (MLAT from ∼ 13° to ∼ 18°), which indicates local wave excitation under the compressions’ impact. The quick responses of waves and particle distributions to the compressions and decompressions at multiple points in the dayside suggest that the external pressure pulses can be a direct driver for the inner magnetospheric wave evolution and energetic particle dynamics.
Year of Publication2020
JournalGeophysical Research Letters
Volumen/a
Number of Pagese2020GL091479
Section
Date Published12/2020
ISBN
URLhttps://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2020GL091479
DOIhttps://doi.org/10.1029/2020GL091479