Drift shell splitting

O\textquoterightBrien, T. P. (2014). The activity and radial dependence of anomalous diffusion by pitch-angle scattering on split magnetic drift shells. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2014JA020422 (Original work published December 2014)
Zhang, X. -J., Li, W., Thorne, R., Angelopoulos, V., Ma, Q., Li, J., et al. (2016). Physical mechanism causing rapid changes in ultrarelativistic electron pitch angle distributions right after a shock arrival: Evaluation of an electron dropout event. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2016JA022517 (Original work published September 2016)
Hao, Y., Zong, Q. -G., Zhou, X. -Z., Fu, S. . Y., Rankin, R., Yuan, C. -J., et al. (2016). Electron dropout echoes induced by interplanetary shock: Van Allen Probes observations. Geophysical Research Letters. http://doi.org/10.1002/2016GL069140 (Original work published May 2016)