Relation of auroral substorm onset to local AL index and dispersionless particle injections

In this study, we investigate the relation of auroral substorm onset to the sharp decrease in the local AL index (IL) during substorms. With a database of over 4200 onsets determined from auroral images, we have statistically examined the timing between the auroral substorm onset and the sharp decre...

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Veröffentlicht in:	Journal of atmospheric and solar-terrestrial physics 2008-12, Vol.70 (18), p.2336-2345
Hauptverfasser:	Weygand, James M., McPherron, R.L, Kauristie, K., Frey, H.U., Hsu, T.-S.
Format:	Artikel
Sprache:	eng
Schlagworte:	AL index Dispersionless injections Earth, ocean, space Exact sciences and technology External geophysics Physics of the ionosphere Physics of the magnetosphere Substorm Timing
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