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dc.contributor.author Lee, Woo Kyoung
dc.contributor.author Kil, Hyosub
dc.contributor.author Kwak, Young-Sil
dc.contributor.author Paxton, Larry J.
dc.date.accessioned 2018-11-15T12:49:42Z
dc.date.available 2018-11-15T12:49:42Z
dc.date.issued 2014-12-09
dc.identifier.citation Lee, W. K., Kil, H., Kwak, Y.-S., & Paxton, L. J. (2014). Morphology of the postsunset vortex in the equatorial ionospheric plasma drift.==$Geophysical Research Letters, 42$==(1), 9-14. https://doi.org/10.1002/2014GL062019 es_ES
dc.identifier.uri http://hdl.handle.net/20.500.12816/3617
dc.description.abstract The postsunset vortex in the equatorial ionosphere exhibits clockwise plasma motions after sunset in longitude (time) and altitude coordinates when the equatorial ionosphere is viewed looking northward. We describe the typical morphology of the postsunset vortex using incoherent scatter radar observations at Jicamarca in Peru during the previous solar maximum (2000–2002). A pronounced vortical plasma motion appears around 1700 LT along with the onset of the prereversal enhancement (PRE). The center of this vortex is located near an altitude of 270 km. A smaller‐scale vortex also appears about 0.5 ~ 1 h later at higher altitudes. However, the morphology and occurrence time of this small vortex depend on the characteristics of the coherent backscatter region. We find that the earlier vortex is the major feature of the postsunset vortices because it is repeatable, associated with the PRE, and independent to the occurrence of the coherent backscatter region. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Geophysical Union es_ES
dc.relation.ispartof urn:issn:0094-8276
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Postsunset vortex es_ES
dc.subject Zonal plasma drift es_ES
dc.subject Zonal shear flow es_ES
dc.subject Equatorial spread F es_ES
dc.subject Equatorial ionosphere es_ES
dc.title Morphology of the postsunset vortex in the equatorial ionospheric plasma drift es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal Geophysical Research Letters es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1002/2014GL062019 es_ES

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