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Browsing Physics by Author "Grimes, E"

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Comparison of TWINS and THEMIS observations of proton pitch angle distributions in the ring current during the 29 May 2010 geomagnetic storm 

Grimes, E; Perez, J; Goldstein, J; McComas, D; Valek, P; Turner, D; 0000-0002-2425-7818; 0000-0002-2318-8750 (2022-12-02)
The first comparison between energy-dependent ion pitch angle distributions in the ring current deconvolved from Two Wide-angle Imagining Neutral-atom Spectrometers (TWINS) energetic neutral atom (ENA) images and measured ...

Global observations of ring current dynamics during corotating interaction region-driven geomagnetic storms in 2008 

Grimes, E; Perez, J; Goldstein, J; McComas, D; Valek, P; 0000-0001-6160-1158; 0000-0002-2318-8750 (2022-10-27)
We examine the evolution of the ring current during the main and early recovery phases of three geomagnetic storms driven by corotating interaction regions. The equatorial energy density profiles of 5-30 keV ions are ...