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Response of Meteor Plasma Trails Observed by Meteor Radar to Geomagnetic Activity

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dc.contributor.authorKam Hosik-
dc.contributor.authorKwak Young-Sil-
dc.contributor.authorLee, Changsup-
dc.contributor.authorKim Jeong-Heon-
dc.contributor.authorHong Junseok-
dc.contributor.authorKim Yong Ha-
dc.contributor.authorKim, Jeong-Han-
dc.date.accessioned2023-12-06T16:37:47Z-
dc.date.available2023-12-06T16:37:47Z-
dc.date.issued2023-
dc.identifier.urihttps://repository.kopri.re.kr/handle/201206/14858-
dc.description.abstractFrom meteor radar observations typically measuring neutral winds and temperatures in the upper atmosphere, we showed that under-dense meteor plasma trails respond to geomagnetic activity. Depending on the geomagnetic activity conditions, the parameters of the under-dense trail echoes show substantial anomalies, and their responses are immediate. As geomagnetic activity increases, the decay time decreases up to about 10% at Kp = 8, while both the returned signal power and radial velocity error increase. In addition, the types of diffuse evolution vary with geomagnetic activity, resulting in strong geomagnetic activity that immediately affects the trail. The evolution of the trail is affected not only by the ambient mesospheric neutral atmospheric properties but also by electromagnetic effects, such as strong electric fields inside meteor trails. Furthermore, our findings suggest that the geomagnetic effect should be considered when estimating atmospheric parameters from MR during a geomagnetically active period.-
dc.languageEnglish-
dc.subject.classificationKing Sejong Station-
dc.titleResponse of Meteor Plasma Trails Observed by Meteor Radar to Geomagnetic Activity-
dc.title.alternative유성레이다로 관측한 유성 플라즈마 꼬리의 지자기 활동에 대한 반응-
dc.typeArticle-
dc.identifier.bibliographicCitationKam Hosik, et al. 2023. "Response of Meteor Plasma Trails Observed by Meteor Radar to Geomagnetic Activity". <em>GEOPHYSICAL RESEARCH LETTERS</em>, 50(6): 1-8.-
dc.citation.titleGEOPHYSICAL RESEARCH LETTERS-
dc.citation.volume50-
dc.citation.number6-
dc.identifier.doi10.1029/2022GL102636-
dc.citation.startPage1-
dc.citation.endPage8-
dc.description.articleClassificationSCIE-
dc.description.jcrRateJCR 2021:12.376-
dc.subject.keywordAtmospheric parameters-
dc.subject.keywordGeomagnetic activity-
dc.subject.keywordMeteor plasma trail-
dc.identifier.localId2023-0054-
Appears in Collections  
2023-2023, Occurrence of aurora and their correlations with polar upper atmospheric variabilities (23-23) / Jee, Geonhwa (PE23020)
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