Revisiting sunspot number as an extreme ultraviolet (EUV) proxy for ionospheric F2 critical frequency

Revisiting sunspot number as an extreme ultraviolet (EUV) proxy for ionospheric F2 critical frequency

<p>This study reconsiders sunspot number (Sn) as a solar extreme ultraviolet (EUV) proxy for modeling the ionospheric F2 layer's critical frequency (foF2) over the period 1960–2023. We compare the performance of Sn with F10.7 and F30 solar radio fluxes, focusing on their ability to model...

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Bibliographic Details
Main Authors: B. S. Zossi, F. D. Medina, T. Duran, B. F. de Haro Barbas, A. G. Elias
Format: Article
Language:English
Published: Copernicus Publications 2025-01-01
Series:Annales Geophysicae
Online Access:https://angeo.copernicus.org/articles/43/91/2025/angeo-43-91-2025.pdf
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