Collisional shear instability in the equatorial F region ionosphere

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dc.contributor.authorHysell, D. L.
dc.contributor.authorKudeki, E.
dc.date.accessioned2018-10-24T15:05:43Z
dc.date.available2018-10-24T15:05:43Z
dc.date.issued2004-11-03
dc.description.abstractA collisional shear instability in a magnetized plasma is described and evaluated. The instability is related to electrostatic Kelvin Helmholtz but operates in inhomogeneous plasmas in the collisional regime. Boundary value analysis predicts that the linear growth rate for the instability could be comparable to that of the collisional interchange instability in the equatorial F region ionosphere under ideal conditions. An initial value simulation of a nonlinear model of the instability run under realistic conditions produces growing waves with a relatively long growth time (50 min) and with an initial wavelength of about 30 km. The simulation results are consistent with recent radar observations showing largeā€scale plasma waves in the bottomside equatorial ionosphere at sunset prior to the onset of spread F conditions. The role of shear instability in preconditioning the F region for interchange instabilities to occur after sunset is discussed.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationHysell, D. L., & Kudeki, E. (2004). Collisional shear instability in the equatorial F region ionosphere.==$Journal of Geophysical Research: Space Physics, 109$==(A11), A11301. https://doi.org/10.1029/2004JA010636es_ES
dc.identifier.doihttps://doi.org/10.1029/2004JA010636es_ES
dc.identifier.journalJournal of Geophysical Research: Space Physicses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3122
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:2169-9380
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectSheares_ES
dc.subjectEquatorial spread Fes_ES
dc.subjectPlasma instabilityes_ES
dc.subjectEquatorial ionospherees_ES
dc.subjectCoherent scatter radares_ES
dc.subjectIonospheric irregularitieses_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleCollisional shear instability in the equatorial F region ionospherees_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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