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  Detecting electrostatic activity of oxygen ions in the topside ionosphere using electric field measurements in the VLF band

Papini, E., Piersanti, M., D'Angelo, G., Recchiuti, D., Diego, P., Zhima, Z. (2023): Detecting electrostatic activity of oxygen ions in the topside ionosphere using electric field measurements in the VLF band, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-2842

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Datensatz-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019040 Versions-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019040_1
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Papini, Emanuele1, Autor
Piersanti, Mirko1, Autor
D'Angelo, Giulia1, Autor
Recchiuti, Dario1, Autor
Diego, Piero1, Autor
Zhima, Zeren1, Autor
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Zusammenfassung: We investigate the spectral properties of the ionospheric electric field during a period of high geomagnetic activity, namely on August 11 2018 from 21:40 to 22:17. The purpose is to detect possible signatures of the characteristic frequencies of the ions populating the ionosphere. In particular, we exploit measurements taken in the VLF band by the Electric Field Detector (EFD) onboard the Chinese Seismo-Electromagnetic Satellite - 01 (CSES-01) spacecraft, orbiting at around 500km of altitude in a sun-synchronous orbit. In the temporal interval considered, a clear peak in the frequencies between 2.5 kHz and 5 kHz, with a well defined latitudinal pattern, is observed in the power spectral density of the electric field at equatorial latitudes between two density drops, consistent with the presence of two plasma bubbles. Such a pattern perfectly matches the latitudinal pattern of the O+ plasma frequency as calculated by density measurements taken concurrently by another CSES-01 payload, the Plasma Analyzer Package (PAP) suite. We discuss possible interpretations of the presence of this signature in terms of O+ electrostatic perturbations generated by the ionospheric dynamics during geomagnetically active periods.

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Sprache(n): eng - Englisch
 Datum: 2023
 Publikationsstatus: Final veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
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 Identifikatoren: DOI: 10.57757/IUGG23-2842
 Art des Abschluß: -

Veranstaltung

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Veranstaltungsort: Berlin
Start-/Enddatum: 2023-07-11 - 2023-07-20

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Potsdam : GFZ German Research Centre for Geosciences
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