ring current

Aseev, N. A., & Shprits, Y. Y. (2019). Reanalysis of ring current electron phase space densities using Van Allen Probe observations, convection model, and log-normal Kalman filter. Space Weather. http://doi.org/10.1029/2018SW002110 (Original work published April 2019)
Mitani, K., Seki, K., Keika, K., Gkioulidou, M., Lanzerotti, L., Mitchell, D., et al. (2019). Statistical Study of Selective Oxygen Increase in High-Energy Ring Current Ions During Magnetic Storms. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1029/2018JA026168 (Original work published April 2019)
Yamamoto, K., e, N. \, Keika, K., Hartley, D. P., Smith, C. W., MacDowall, R. J., et al. (2019). Eastward Propagating Second Harmonic Poloidal Waves Triggered by Temporary Outward Gradient of Proton Phase Space Density: Van Allen Probe A Observation. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1029/2019JA027158 (Original work published November 2019)
Ma, Q., Li, W., Yue, C., Thorne, R., Bortnik, J., Kletzing, C., et al. (2019). Ion Heating by Electromagnetic Ion Cyclotron Waves and Magnetosonic Waves in the Earth\textquoterights Inner Magnetosphere. Geophysical Research Letters, 46, 6258-6267. http://doi.org/10.1029/2019GL083513 (Original work published June 2019)