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Organization of the magnetosphere during substorms
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
2012 (English)In: Journal of Geophysical Research, ISSN 0148-0227, E-ISSN 2156-2202, Vol. 117, A05212- p.Article in journal (Refereed) Published
Abstract [en]

The change in degree of organization of the magnetosphere during substorms is investigated by analyzing various geomagnetic indices, as well as interplanetary magnetic field z-component and solar wind velocity x-component. We conclude that the magnetosphere self-organizes globally during substorms, but neither the magnetosphere nor the solar wind become more predictable in the course of a substorm. This conclusion is based on analysis of substorms in the period from 2000 to 2002. A minimal dynamic-stochastic model of the driven magnetosphere that reproduces many statistical features of substorm indices is discussed.

Place, publisher, year, edition, pages
2012. Vol. 117, A05212- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-174903DOI: 10.1029/2011JA016878ISI: 000303672600001OAI: oai:DiVA.org:uu-174903DiVA: diva2:529527
Available from: 2012-05-30 Created: 2012-05-30 Last updated: 2012-05-30Bibliographically approved

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Zivkovic, Tatjana
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Swedish Institute of Space Physics, Uppsala Division
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