Polar mesospheric summer echoes at 78°N, 16°E, 2008: First results of the refurbished sounding system (SOUSY) Svalbard radar

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dc.contributor.authorHall, C. M.
dc.contributor.authorRöttger, J.
dc.contributor.authorKuyeng, K.
dc.contributor.authorTsutsumi, M.
dc.contributor.authorDyrland, M.
dc.contributor.authorChau Chong Shing, Jorge Luis
dc.date.accessioned2018-07-19T14:37:44Z
dc.date.available2018-07-19T14:37:44Z
dc.date.issued2009-06-06
dc.description.abstractThis paper examines in detail the electrical coupling between the high-, middle-, and low-latitude ionospheres during January 17–19, 1984, using interplanetary and high-latitude magnetic field data together with F region plasma drift measurements from the EISCAT, Sondre Stromfjord, Millstone Hill, Saint-Santin, Arecibo, and Jicamarca incoherent scatter radars. We study the penetration of both the zonal and meridional electric field components of high-latitude origin into the low-latitude and the equatorial ionospheres. In the dusk sector, a large perturbation of the zonal equatorial electric field was observed in the absence of similar changes at low and middle latitudes in the same longitudinal sector. The observations in the postmidnight sector are used to compare the longitudinal variation of the zonal perturbation electric field with predictions made from global convection models. Our results show that the meridional electric field perturbations are considerably more attenuated with decreasing latitude than the zonal fluctuations. As a result, we conclude that variations in the meridional electric field at low latitudes are largely due to dynamo effects. These observations are used to show that the global convection models reproduce a number of characteristics of low-latitude and equatorial electric fields associated with changes in the polar cap potential drop. In addition, we highlight several areas where there is still substantial disagreement between the electric field data and the theoretical results.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationHall, C. M., Röttger, J., Kuyeng, K., Tsutsumi, M., Dyrland, M., & Chau, J. L. (2009). Polar mesospheric summer echoes at 78°N, 16°E, 2008: First results of the refurbished sounding system (SOUSY) Svalbard radar.==$Journal of Geophysical Research: Atmospheres, 114$==(D11), D11111. https://doi.org/10.1029/2008JD011543es_ES
dc.identifier.doihttps://doi.org/10.1029/2008JD011543es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalJournal of Geophysical Research: Atmosphereses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/1958
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:2169-897X
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectPMSEes_ES
dc.subjectArctices_ES
dc.subjectSOUSYes_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titlePolar mesospheric summer echoes at 78°N, 16°E, 2008: First results of the refurbished sounding system (SOUSY) Svalbard radares_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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