Polarization of elliptic E region plasma irregularities and implications for coherent radar backscatter from Farley‐Buneman waves

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dc.contributor.authorHysell, D. L.
dc.contributor.authorDrexler, J.
dc.date.accessioned2018-10-29T15:48:35Z
dc.date.available2018-10-29T15:48:35Z
dc.date.issued2006-08-12
dc.description.abstractThe problem of two‐dimensional, homogeneous, elliptical irregularities in an otherwise homogeneous plasma with anisotropic conductivity is considered. We find an analytic solution for the potential inside and outside the irregularities. In the special case of circular irregularities, the internal electric field is reduced from the background field in both depletions and enhancements. The internal field is rotated in different directions for depletion and enhancements, however. When the irregularity is elongated, the electric field inside can be larger or smaller than the background field in both depletions and enhancements, depending on the attack angle of the background field. The effects of ion inertia can further suppress the internal electric field in small‐scale circular irregularities. These electrodynamics considerations may help explain some aspects of radar observations of irregularities excited by Farley‐Buneman waves and instabilities in the electrojets, in particular, their tendency to exhibit Doppler shifts significantly smaller than the line‐of‐sight background electron convection speed and proportional to the cosine of the flow angle. The analysis generalizes that of St.‐Maurice and Hamza (2001), who introduced this avenue of investigation.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationHysell, D. L., & Drexler, J. (2006). Polarization of elliptic E region plasma irregularities and implications for coherent radar backscatter from Farley‐Buneman waves.==$Radio Science, 41$==(4), RS4015. https://doi.org/10.1029/2005RS003424es_ES
dc.identifier.doihttps://doi.org/10.1029/2005RS003424es_ES
dc.identifier.journalRadio sciencees_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3191
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:0048-6604
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectFarley‐Bunemanes_ES
dc.subjectIrregularitieses_ES
dc.subjectElectrodynamicses_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titlePolarization of elliptic E region plasma irregularities and implications for coherent radar backscatter from Farley‐Buneman waveses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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