An examination of ionospheric plasma irregularities detected by the mid-latitude SuperDARN radars

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dc.contributor.authorRibeiro, Alvaro Johnen
dc.contributor.committeecochairBaker, Joseph B. H.en
dc.contributor.committeecochairRuohoniemi, J. Michaelen
dc.contributor.committeememberBailey, Scott M.en
dc.contributor.committeememberClauer, C. Roberten
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2014-03-14T20:33:24Zen
dc.date.adate2011-05-06en
dc.date.available2014-03-14T20:33:24Zen
dc.date.issued2011-04-08en
dc.date.rdate2011-05-06en
dc.date.sdate2011-04-12en
dc.description.abstractThe data from the new mid-latitude radars of the Super Dual Auroral Radar Network (SuperDARN) provide new types of challenges and observations. We have developed a method for identifying periods of ionospheric backscatter that increase the number of data and reduce the average velocity in agreement with previous incoherent scatter radar (ISR) studies. Analysis of the data identified by this method clearly shows that different types of ionospheric irregularities are being observed in the mid-latitude region. One type of irregularity is clearly subauroral and equatorward of the plasmapause. Fitting a convection pattern to the Doppler velocities associated with subauroral ionospheric scatter reveals some interesting features. Subauroral convection is shown to be westward thought most of the night, with an eastward turning near dawn. The rotation factor of the ionosphere relative to the rotation of the earth is shown to be ~0.95, which is in good agreement with previous studies of plasmaspheric corotation.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-04122011-153649en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-04122011-153649/en
dc.identifier.urihttp://hdl.handle.net/10919/31698en
dc.publisherVirginia Techen
dc.relation.haspartRibeiro_AJ_T_2011.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectionosphereen
dc.subjectmid-latitudeen
dc.subjectsubauroral convectionen
dc.subjectSuperDARNen
dc.titleAn examination of ionospheric plasma irregularities detected by the mid-latitude SuperDARN radarsen
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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