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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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2025-01-01
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| Series: | Annales Geophysicae |
| Online Access: | https://angeo.copernicus.org/articles/43/91/2025/angeo-43-91-2025.pdf |
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