coronal mass ejections

Kilpua, E., Hietala, H., Turner, D., Koskinen, H., Pulkkinen, T., Rodriguez, J., et al. (2015). Unraveling the drivers of the storm time radiation belt response. Geophysical Research Letters. http://doi.org/10.1002/2015GL063542 (Original work published April 2015)
Lugaz, N., Farrugia, C., Huang, C. -L., & Spence, H. (2015). Extreme geomagnetic disturbances due to shocks within CMEs. Geophysical Research Letters. http://doi.org/10.1002/2015GL064530 (Original work published June 2015)