NDLI: The Structure of Substorm Activations in the Quasi-Trapping Region

Content Provider	Springer Nature Link
Author	Lazutin, L. L. Kozelova, T. V.
Copyright Year	2004
Abstract	Based on a large number of measurements of the magnetic field and energetic particles onboard the CRRES satellite and on ground-based measurements we describe the fine structure of the first several minutes of the expansion activation of a substorm. The main result is that we have found a fast enhancement of the flux of energetic ions immediately before the beginning of substorm dipolization of the magnetic field. This effect was not known earlier, and the enhancement is invisible from the ground during auroras. We suggest that the appearance of an excess flux of energetic ions has a triggering effect on the local expansion activation of a substorm. The model of a current meander is put forward, which explains the generation of an inductance electric field, current wedge, and other effects of the explosive onset of a substorm.
Starting Page	309
Ending Page	330
Page Count	22
File Format	PDF
ISSN	00109525
Journal	Cosmic Research
Volume Number	42
Issue Number	4
e-ISSN	16083075
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2004-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Astrophysics Relativity and Cosmology Automotive and Aerospace Engineering
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Aerospace Engineering Space and Planetary Science

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The Structure of Substorm Activations in the Quasi-Trapping Region