Rapid ionospheric variations at high latitudes: Focusing on Greenland

12 pages, 13 figures

Detalhes bibliográficos
Autores: Sohn, Dong-Hyo, Park, Kwan-Dong, Davis, James L., Nettles, Meredith, Elosegui, Pedro
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/203347
Acesso em linha:http://hdl.handle.net/10261/203347
Access Level:acceso abierto
Palavra-chave:GPS
Rapid ionospheric variation
Slant total electron content (STEC)
Delta phase rate (DPR)
High latitude
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spelling Rapid ionospheric variations at high latitudes: Focusing on GreenlandSohn, Dong-HyoPark, Kwan-DongDavis, James L.Nettles, MeredithElosegui, PedroGPSRapid ionospheric variationSlant total electron content (STEC)Delta phase rate (DPR)High latitude12 pages, 13 figuresThe Helheim glacier, located in southeast Greenland, has more than ten campaign-type Global Positioning System (GPS) sites; data processing led to the observation of a very rapid change in the ionospheric delay. To identify the cause of these sporadic disturbances, we analyzed the slant total electron content (STEC), single-differenced STEC (SD-STEC) and scintillation proxy index called the delta phase rate (DPR). From this analysis, the abrupt change of those ionospheric indicators was attributed to the line-of-sight direction to the satellite and the temporal sequence of the event was found to be highly correlated with the geometry of the GPS sites. In addition, the disturbance based on the result of SD-STEC occurred mostly during the night, from 17 UTC through 7 UTC, and across a band spanning the east-west direction. Based on the DPR indices obtained from GPS stations distributed across all of Greenland, Iceland, and northeastern Canada, the rapid ionospheric variation was found to be correlated with the time of the day and the geomagnetic latitude of the station. The disturbance was larger at the relatively low geomagnetic latitudes at night but was more significant at higher latitudes in the daytime. These rapid ionospheric variations tended to appear in band shapes parallel to the geomagnetic field. These results allow us to attribute such disturbance observed at the Helheim glacier to aurora-related phenomenaThis work was partly supported by the basic research fund from Korea Astronomy and Space Science Institute (2020-1-8-5005). This work was also partly supported by INHA UNIVERSITY Research Grant (INHA-61597)With the funding support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S), of the Spanish Research Agency (AEI)ElsevierKorea Astronomy and Space Science InstituteInha UniversityAgencia Estatal de Investigación (España)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2020202020202020info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/203347reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttps://doi.org/10.1016/j.asr.2020.01.022Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2033472026-05-22T06:33:51Z
dc.title.none.fl_str_mv Rapid ionospheric variations at high latitudes: Focusing on Greenland
title Rapid ionospheric variations at high latitudes: Focusing on Greenland
spellingShingle Rapid ionospheric variations at high latitudes: Focusing on Greenland
Sohn, Dong-Hyo
GPS
Rapid ionospheric variation
Slant total electron content (STEC)
Delta phase rate (DPR)
High latitude
title_short Rapid ionospheric variations at high latitudes: Focusing on Greenland
title_full Rapid ionospheric variations at high latitudes: Focusing on Greenland
title_fullStr Rapid ionospheric variations at high latitudes: Focusing on Greenland
title_full_unstemmed Rapid ionospheric variations at high latitudes: Focusing on Greenland
title_sort Rapid ionospheric variations at high latitudes: Focusing on Greenland
dc.creator.none.fl_str_mv Sohn, Dong-Hyo
Park, Kwan-Dong
Davis, James L.
Nettles, Meredith
Elosegui, Pedro
author Sohn, Dong-Hyo
author_facet Sohn, Dong-Hyo
Park, Kwan-Dong
Davis, James L.
Nettles, Meredith
Elosegui, Pedro
author_role author
author2 Park, Kwan-Dong
Davis, James L.
Nettles, Meredith
Elosegui, Pedro
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Korea Astronomy and Space Science Institute
Inha University
Agencia Estatal de Investigación (España)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv GPS
Rapid ionospheric variation
Slant total electron content (STEC)
Delta phase rate (DPR)
High latitude
topic GPS
Rapid ionospheric variation
Slant total electron content (STEC)
Delta phase rate (DPR)
High latitude
description 12 pages, 13 figures
publishDate 2020
dc.date.none.fl_str_mv 2020
2020
2020
2020
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/203347
url http://hdl.handle.net/10261/203347
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv https://doi.org/10.1016/j.asr.2020.01.022
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.812429

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