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  Understanding Radiation belt dynamics during some ‘unusual’ solar wind driving

Zheng, Y., Wang, D., Drozdov, A., Fok, M.-C., Rastaetter, L. (2023): Understanding Radiation belt dynamics during some ‘unusual’ solar wind driving, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4315

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021750 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021750_1
Genre: Conference Paper

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 Creators:
Zheng, Yihua1, Author
Wang, Dedong1, Author
Drozdov, Alexander1, Author
Fok, Mei-Ching1, Author
Rastaetter, Lutz1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: The periods of May 27 - June 5, 2017 and Oct 24 — 29, 2016 are ‘unusual’ in terms of radiation belt dynamics and their solar wind driving conditions. The first period was under the influence of a stealth CME-led geomagnetic storm and the second period was under high speed solar wind streams. Observations from Van Allen Probes show great variabilities in different electron energy channels for both periods. During the second period of Oct 24 - 29, 2016, electron fluxes are found to be near the highest upper limit among various storms during 2013–2018 (Hua, Bortnik and Ma, 2022). In this paper, we will provide solar wind sources and geomagnetic conditions for these two storm periods. In-depth analysis of modeling results utilizing radiation belt models available at the Community Coordinated Modeling Center such as VERB and CIMI will be performed. Model validation using different metrics in Zheng et al. (2019) will be carried out to gain a deeper understanding of the physical processes involved and identity potential causes of discrepancies.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
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 Identifiers: DOI: 10.57757/IUGG23-4315
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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
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