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  Plasmasphere Data Assimilation and Comparison With In-Situ Observations

Jorgensen, A., Balazs, H., Janos, L., David, K., Alfredo, D. C., & Massimo, V. (2023). Plasmasphere Data Assimilation and Comparison With In-Situ Observations. In XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG). Potsdam: GFZ German Research Centre for Geosciences. doi:10.57757/IUGG23-4283.

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資料種別: 会議論文

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 作成者:
Jorgensen, Anders1, 著者
Balazs, Heilig1, 著者
Janos, Lichtenberger1, 著者
David, Koronczay1, 著者
Alfredo, Del Corpo1, 著者
Massimo, Vellante1, 著者
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1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 要旨: The Earth's plasmasphere is a dynamic region of dense plasma with itssource in the ionosphere. Accurate knowledge of the plasma densitydistribution and boundaries are important for the accurate modeling ofthe radiation belts and ring current growth and decay mechanisms. Theplasmasphere densities can be determined in many ways, from space andfrom the ground. However almost all such observations are limited topoint observations or single flux tube observations. For completeknowledge the regions between observations must be filled in with amodel. The combination of a model with observations to obtain anoptimal global map is called data assimilation. We will show someresults which combine a simple plasmasphere model, the Dynamic GlobalCore Plasma Model with a variety of observations in an EnsembleKalman Filter framework to produce maps of the global plasma densitydynamics. These maps are then compared with in-situ spacecraftobservations for validation.

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言語: eng - 英語
 日付: 2023-07-112023-07-11
 出版の状態: Finally published
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 識別子(DOI, ISBNなど): DOI: 10.57757/IUGG23-4283
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イベント名: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
開催地: Berlin
開始日・終了日: 2023-07-11 - 2023-07-20

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出版物名: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
種別: 会議論文集
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出版社, 出版地: Potsdam : GFZ German Research Centre for Geosciences
ページ: - 巻号: - 通巻号: - 開始・終了ページ: - 識別子(ISBN, ISSN, DOIなど): -