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  How Quantitative Diagnostics Meaningfully Enhance the Level of Complexity in the Interpretation of Solar Eruptions

Georgoulis, M. K., Liu, Y., Welsch, B. T., Thalmann, J. K., Liokati, E., Guo, Y., Moraitis, K., Nindos, A., Pariat, E., Park, S.-H., Patsourakos, S., Valori, G. (2023): How Quantitative Diagnostics Meaningfully Enhance the Level of Complexity in the Interpretation of Solar Eruptions, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3123

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020382 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5020382_1
Genre: Conference Paper

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 Creators:
Georgoulis, Manolis K.1, Author
Liu, Yang1, Author
Welsch, Brian T.1, Author
Thalmann, Julia K.1, Author
Liokati, Evangelia1, Author
Guo, Yang1, Author
Moraitis, Kostas1, Author
Nindos, Alexander1, Author
Pariat, Etienne1, Author
Park, Sung-Hong1, Author
Patsourakos, Spiros1, Author
Valori, Gherardo1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: We argue that, to physically understand the most energetic solar eruptions, obtaining quantitative and meaningful diagnostics of evolving solar active regions is equally important to modeling active regions, either in fully synthetic or in data-driven settings. We review a series of works advocating for two fundamental physical quantities to monitor, namely, magnetic energy and (relative) magnetic helicity. While there are different ways to monitor the evolution of active-region magnetic energy (particularly its electric current-driven, “free” term) and relative helicity, recent works show that (i) different but complementary methods may lead to benefits in understanding and (ii) monitoring any of the two parameters in tandem can lead to either oversimplifications of the eruption process or, plainly, to missing physics. Temporal evolution can also be intriguing when the twist parameter is involved and, in fact, we show results from a very recent study that clearly call for an increased level of sophistication in the interpretation of the eruption process, corroborating previous qualitative assessments. If understood, the effect seen could potentially lead to one of the clearest eruption precursors to date.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-3123
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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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