Space weather impacts on the ionosphere over the southern African mid-latitude region
نویسندگان
چکیده
Abstract The ionosphere suffers major perturbations during severe space weather events such as Coronal Mass Ejections (CMEs), solar flares, high-speed streams, and Corotating Interaction Regions (CIRs). can experience depletions or enhancements in Total Electron Content (TEC) conditions. South African National Space Agency (SANSA) near-real-time (NRT) TEC maps were used to show the ionospheric variability geomagnetic storm of 3–8 Nov 2021 over southern Africa mid-latitude region. ionosonde TEC, NRT quiet-time AfriTEC model compared 6-day period. A negative response was observed main recovery phases (4–5 2021). changes neutral composition O/N 2 one physical processes attributed decrease GPS showed a very good agreement with measurements model. strong east–west gradient occurring between two stations. Graphical
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ژورنال
عنوان ژورنال: Earth, Planets and Space
سال: 2023
ISSN: ['1880-5981', '1343-8832']
DOI: https://doi.org/10.1186/s40623-023-01894-5