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  Dynamics of ionospheric plasma in the plasma sheet

Kistler, L., Mouikis, C., Liao, J., Miyoshi, Y., Shoji, M., Asamura, K., Kasahara, S., Yokota, S., Keika, K., Hori, T., Shinohara, I. (2023): Dynamics of ionospheric plasma in the plasma sheet, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-1111

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018102 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018102_2
Genre: Conference Paper

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 Creators:
Kistler, Lynn1, Author
Mouikis, Christopher1, Author
Liao, Jing1, Author
Miyoshi, Yoshizumi1, Author
Shoji, Masafumi1, Author
Asamura, Kazushi1, Author
Kasahara, Satoshi1, Author
Yokota, Shoichiro1, Author
Keika, Kunihiro1, Author
Hori, Tomo1, Author
Shinohara, Iku1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: One of the characteristics that distinguishes the storm-time plasma sheet from the non-storm-time plasma sheet is the enhanced contribution of ionospheric heavy ions, particularly O+. Enhanced outflow is observed throughout the auroral oval during a storm, from the dayside cusp region to the nightside auroral region. The dayside cusp outflow can be enhanced prior to the storm main phase, particularly in association with coronal mass ejections, and it then convects through the lobe to reach the plasma sheet. The nightside aurora shows high fluxes of bursty outflow during the main phase. Recent results have shown that the source of the near-earth plasma sheet can change dramatically during storms in response to changes in the interplanetary magnetic field. This talk will use a combination of statistical measurements from FAST/TEAMS in the auroral regions with recent measurements from the Arase, MMS and Van Allen Probes satellites to address the conditions that drive the outflow and bring it into the plasma sheet. The goal is to understand how the system-level drivers enhance the ionospheric contribution, and how that affects the geomagnetic storms.

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Language(s): eng - English
 Dates: 2023
 Publication Status: Finally published
 Pages: -
 Publishing info: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-1111
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: -