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Longitudinal Variation of the Lunar Tide in the Equatorial Electrojet
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2017
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Source: Journal of Geophysical Research: Space Physics, 122(12), 12,445-12,463
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Journal Title:Journal of Geophysical Research: Space Physics
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Description:Theatmosphericlunartideisoneknownsourceofionosphericvariability.Thesubjectreceived renewedattentionasrecentstudiesfoundalinkbetweenstratosphericsuddenwarmingsandamplified lunar tidal perturbations in the equatorial ionosphere. There is increasing evidence from ground observationsthatthelunartidalinfluenceontheionospheredependsonlongitude.Weusemagneticfield measurements from the CHAMP satellite during July 2000 to September 2010 and from the two SwarmsatellitesduringNovember2013toFebruary2017todetermine,forthefirsttime,thecomplete seasonal-longitudinal climatology of the semidiurnal lunar tidal variation in the equatorial electrojetintensity.Significantlongitudinalvariabilityisfoundintheamplitudeofthelunartidalvariation,whilethe longitudinalvariabilityinthephaseissmall.TheamplitudepeaksinthePeruviansector(
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Source:Journal of Geophysical Research: Space Physics, 122(12), 12,445-12,463
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ISSN:2169-9380
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Rights Information:Other
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