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Reverse Convection Potential Saturation in the Polar Ionosphere

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dc.contributor.authorWilder, Frederick Duranden
dc.contributor.committeechairClauer, C. Roberten
dc.contributor.committeememberScales, Wayne A.en
dc.contributor.committeememberBailey, Scott M.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2014-03-14T20:34:05Zen
dc.date.adate2008-05-30en
dc.date.available2014-03-14T20:34:05Zen
dc.date.issued2008-04-17en
dc.date.rdate2008-05-30en
dc.date.sdate2008-04-23en
dc.description.abstractThe results of an investigation of the reverse convection potentials in the day side high latitude ionosphere during periods of steady northward interplanetary magnetic field (IMF) are reported. While it has been shown that the polar cap potential in the ionosphere exhibits non-linear saturation behavior when the IMF becomes increasingly southward, it has yet to be shown whether the high latitude reverse convection cells in response to increasingly northward IMF exhibit similar behavior. Solar wind data from the ACE satellite from 1998 to 2005 was used to search for events in the solar wind when the IMF is northward and the interplanetary electric field is stable for more than 40 minutes. Bin-averaged SuperDARN convection data was used with a spherical harmonic fit applied to calculate the average potential pattern for each northward IMF bin. Results show that the reverse convection cells do, in fact, exhibit non-linear saturation behavior. The saturation potential is approximately 20 kV and is achieved when the electric coupling function reaches between 18 and 30 kV/RE.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-04232008-144243en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-04232008-144243/en
dc.identifier.urihttp://hdl.handle.net/10919/31847en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartthesis.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectIonosphereen
dc.subjectMagnetosphereen
dc.subjectElectromagneticsen
dc.subjectHF Radaren
dc.subjectPlasma Physicsen
dc.titleReverse Convection Potential Saturation in the Polar Ionosphereen
dc.typeThesisen
thesis.degree.disciplineElectrical and Computer Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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