Presentation: A New Technique for Determining Substorm Onsets and Phases from Indices of the Electrojet (SOPHIE)

Forsyth, C., I.J. Rae, J. C. Coxon, M.P. Freeman, C.M. Jackman, J. Gjerloev, A.N. Fazakerley (2015), A New Technique for Determining Substorm Onsets and Phases from Indices of the Electrojet (SOPHIE), J. Geophys. Res., doi.org/10.1002/2015JA021343 (pdf)