Reverse convection potential: A statistical study of the general properties of lobe reconnection and saturation effects during northward IMF

Details Reverse convection potential: A statistical study of the general properties of lobe reconnection and saturation effects during northward IMF Reverse convection potential: A statistical study of the general properties of lobe reconnection and saturation effects during northward IMF

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jgra..11406205s&link_type=abstract

Journal of Geophysical Research, Volume 114, Issue A6, CiteID A06205

Physics

6

Ionosphere: Plasma Convection (2760), Ionosphere: Polar Cap Ionosphere, Ionosphere: Ionosphere/Magnetosphere Interactions (2736), Magnetospheric Physics: Magnetic Reconnection (7526, 7835)

Scientific paper

The saturation tendency of the cross-polar potential for southward interplanetary magnetic fields (IMFs) has been the subject of numerous studies; however, the behavior of the reverse convection potential when the IMF is northward remains less clear. In this study, we present a thorough statistical analysis of the four-cell convection pattern associated with northward IMF and lobe reconnection based on a large set of DMSP F13 satellite data. Results show a behavior much similar to the southward IMF case, with a clear saturation tendency of the reverse convection potential for strong solar wind electric fields both seen in the data and validated in the statistical analysis. The saturated potential level reaches a limit of about 60 kV, on the order of a fourth of the saturated potential seen for dayside reconnection during southward IMF.

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