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On the stability of high-latitude plasma convection during northward IMF: an event study
KTH, School of Electrical Engineering (EES), Space and Plasma Physics.
Applied Physics Laboratory, Johns Hopkins University, Laurel, MD, USA.
KTH, School of Electrical Engineering (EES), Space and Plasma Physics.
2007 (English)Report (Other academic)
Abstract [en]

We investigate the stability of the ionospheric convection pattern during northward IMF by studying an event where two DMSP satellites repeatedly traversed the Southern polar region. The Cluster satellite’s ionospheric footprint is located near the DMSP satellite tracks, moving slowly in the noon-midnight direction. TIMED/GUVI data confirm the presence of auroral activity at high latitude. SuperDARN plasma velocity data partially complete the picture. From the event studied we conclude that whereas the DMSP satellites observe local variations in the convection pattern between consecutive passes, Cluster confirms the existence of persistent sunward convection in the high-latitude ionosphere on a time scale of several hours.

Place, publisher, year, edition, pages
KTH Royal Institute of Technology, 2007. , 19 p.
Trita-EE, ISSN 1653-5146 ; 2007:072
National Category
Fusion, Plasma and Space Physics
URN: urn:nbn:se:kth:diva-91580OAI: diva2:510814
QC 20120322Available from: 2012-03-22 Created: 2012-03-19 Last updated: 2012-03-22Bibliographically approved

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