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http://hdl.handle.net/2122/15247
Authors: | Mikhailov, Andrey V* Perrone, Loredana* |
Title: | Pre-storm F2-layer Q-disturbances at middle latitudes: Do they exist? | Journal: | Journal of atmospheric and solar-terrestrial physics | Series/Report no.: | /213 (2021) | Publisher: | Elsevier | Issue Date: | 2021 | DOI: | 10.1016/j.jastp.2020.105473 | Abstract: | Available manually scaled foF2 observations over 50 years on Juliusruh, 33 years on Slough, and 37 years on Rome stations were used to check the association between quiet-time foF2 disturbances (Q-disturbances) and following on isolated magnetic storms. Of course, such cases exist, however Pearson's contingency coefficient, Chi-square and Odds ratio tests applied to check a measure of association gave the absence of relationship even at the 95% confidence level. The lack of association makes it impossible to use F2-layer disturbances as precursors for magnetic storms. The observed cases of apparent relationship between two events should be considered as random and physically unconditioned. The published cases indicating the relationship between two events can be explained in the framework of regular F2-layer variations not related by any means to the following on magnetic storms. |
Appears in Collections: | Article published / in press |
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File | Description | Size | Format | |
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paper_accepted (1).pdf | Open Access submitted article (emb feb-23) | 1.05 MB | Adobe PDF | View/Open |
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