Midnight Simultaneous Observations of Spread-F and Multiple F-Layer Stratifications During the 11-12 May 2024 Geomagnetic Superstorm

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dc.contributor.authorFagundes, Paulo Roberto
dc.contributor.authorPillat, Valdir Gil
dc.contributor.authorAnoruo, Chukwuma Moses
dc.contributor.authorPicanço, Giorgio Arlan da Silva
dc.contributor.authorPezzopane, Michael
dc.contributor.authorHabarulema, John Bosco
dc.contributor.authorKavutarapu, Venkatesh
dc.contributor.authorTardelli, Alexandre
dc.contributor.authorSouza, Ana Lucia Christovam de
dc.contributor.authorVieira, Francisco
dc.date.accessioned2026-02-06T14:34:24Z
dc.date.available2026-02-06T14:34:24Z
dc.date.issued22025
dc.description.abstractA geomagnetic superstorm occurred from May 10 to 12, 2024, producing significant spatial and temporal disturbances in the ionosphere. Ground‐based ionosonde and GPS‐TEC data enabled the identification, analysis, and possible interpretation of a unique event: the simultaneous occurrence of Spread‐F and multiple F‐layer stratifications during the local midnight hours of May 11. To the best of our knowledge, this is the first documented case of such a phenomenon occurring at local midnight. This study provides new insights into the dynamics of the equatorial and low‐latitude ionosphere under extreme geomagnetic conditions and highlights the critical role of coordinated, multi‐instrument observations in advancing our understanding of ionospheric electrodynamics.
dc.description.physical14 p.
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.uriFAPESP: 2022/14815‐5 CAPES: 88887.842761/2023‐00 CNPq: 402724/2023‐2, 304721/2021‐ 2
dc.format.mimetypePDF
dc.identifier.affiliationUniversidade do Vale do Paraíba
dc.identifier.affiliationIstituto Nazionale di Geofisica e Vulcanologia
dc.identifier.affiliationRhodes University
dc.identifier.affiliationInstituto Federalde Tocantins
dc.identifier.bibliographicCitationFAGUNDES, P. R. et al. Midnight Simultaneous Observations of Spread-F and Multiple F-Layer Stratifications During the 11-12 May 2024 Geomagnetic Superstorm. Advancing Earth and Space Sciences, v. 130, n. 11, p. 1-14, 2025. Disponível em: 10.1029/2025JA034222.
dc.identifier.doi10.1029/2025JA034222
dc.identifier.urihttps://repositorio.univap.br/handle/123456789/1133
dc.language.isoen_US
dc.publisherAdvancing Earth and Space Sciences
dc.rights.holderAdvancing Earth and Space Sciences
dc.subject.keywordGeomagnetic storm
dc.subject.keywordEquatorial ionospheric
dc.subject.keywordSpace‐time variations
dc.titleMidnight Simultaneous Observations of Spread-F and Multiple F-Layer Stratifications During the 11-12 May 2024 Geomagnetic Superstorm
dc.typeArtigos de Periódicos

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