Equatorial spread F modeling: Multiple bifurcated structures, secondary instabilities, large density ‘bite-outs,’ and supersonic flows

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dc.contributor.authorHuba, J. D.
dc.contributor.authorJoyce, G.
dc.date.accessioned2018-10-30T11:05:43Z
dc.date.available2018-10-30T11:05:43Z
dc.date.issued2007-04-10
dc.description.abstractThe Naval Research Laboratory has recently developed a new two‐dimensional code to study equatorial spread F (ESF): NRLESF2. The code uses an 8th order spatial interpolation scheme and the partial donor cell method. This allows the model to capture very sharp gradients over ∼ 4 grid cells and to assess the impact of numerical diffusion on the dynamics of ‘bubble’ evolution. Simulation results are presented that show new and complex ESF bubble dynamics: multiple bifurcations, secondary instabilities, density ‘bite‐outs’ of over three orders of magnitude, and supersonic flows within low density channels (V ≃ few km/s). These results are consistent with radar and satellite observations, as well as optical images. It is also shown that numerical diffusion can inhibit bubble bifurcation and the development of small‐scale structure.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationHuba, J. D., & Joyce, G. (2007). Equatorial spread F modeling: Multiple bifurcated structures, secondary instabilities, large density ‘bite-outs,’ and supersonic flows.==$Geophysical Research Letters, 34$==(7), L07105. https://doi.org/10.1029/2006GL028519es_ES
dc.identifier.doihttps://doi.org/10.1029/2006GL028519es_ES
dc.identifier.journalGeophysical Research Letterses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3214
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:0094-8276
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectIonospherees_ES
dc.subjectEquatorial spread Fes_ES
dc.subjectF region structurees_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleEquatorial spread F modeling: Multiple bifurcated structures, secondary instabilities, large density ‘bite-outs,’ and supersonic flowses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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