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  Statistical Study of the Relationship Between Ion Upflow and Field‐Aligned Current in the Topside Ionosphere for Both Hemispheres During Geomagnetic Disturbed and Quiet Time

Ma, Y., Zhang, Q., Jayachandran, P. T., Oksavik, K., Lyons, L. R., Xing, Z., Zhou, S., Hairston, M., Wang, Y. (2020): Statistical Study of the Relationship Between Ion Upflow and Field‐Aligned Current in the Topside Ionosphere for Both Hemispheres During Geomagnetic Disturbed and Quiet Time. - Journal of Geophysical Research: Space Physics, 125, e2019JA027538.
https://doi.org/10.1029/2019JA027538

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 Urheber:
Ma, Yu‐Zhang1, Autor
Zhang, Qing‐He1, Autor
Jayachandran, P. T.1, Autor
Oksavik, Kjellmar1, Autor
Lyons, L. R.1, Autor
Xing, Zan‐Yang1, Autor
Zhou, Shanyu2, Autor              
Hairston, Marc1, Autor
Wang, Yong1, Autor
Affiliations:
1External Organizations, ou_persistent22              
20 Pre-GFZ, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146023              

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Schlagwörter: ion upflow; field-aligned currents; magnetosphere-ionosphere coupling; conjugate hemispheres; topside polar ionosphere
 Zusammenfassung: A statistical study of ion upflow and field-aligned currents (FACs) has been performed in the topside ionosphere of both hemispheres for magnetic quiet and disturbed times by using DMSP satellite observations from 2010–2013. Distributions in MLT/MLat reveal that ion upflow occurrence shows a dawn-dusk asymmetry distribution that matches well with the Region 1 FACs. In addition, there are highest occurrence regions near noon and within the midnight auroral disturbance area, corresponding to dayside cusp and nightside auroral disturbance regions, respectively. Both the ion upflow occurrence and FAC regions expand equatorward to a wider area during disturbed times.

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Sprache(n): eng - Englisch
 Datum: 2020-09-022020
 Publikationsstatus: Final veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1029/2019JA027538
 Art des Abschluß: -

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Titel: Journal of Geophysical Research: Space Physics
Genre der Quelle: Zeitschrift, SCI, Scopus
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 125 Artikelnummer: e2019JA027538 Start- / Endseite: - Identifikator: ISSN: 2169-9380
ISSN: 2169-9402
CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/jgr_space_physics
Publisher: American Geophysical Union (AGU)