Solar Wind—Magnetosphere Coupling Functions: Pitfalls, Limitations, and Applications

Abstract Solar wind‐magnetosphere coupling functions have now been in use for almost 50 years. In that time, a very large number of formulations have been proposed. As they become increasingly subsumed into systems analysis and machine‐learning studies of the magnetosphere, it is timely to establish...

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Main Author: Mike Lockwood
Format: Article
Language:English
Published: Wiley 2022-02-01
Series:Space Weather
Subjects:
Online Access:https://doi.org/10.1029/2021SW002989
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author Mike Lockwood
author_facet Mike Lockwood
author_sort Mike Lockwood
collection DOAJ
description Abstract Solar wind‐magnetosphere coupling functions have now been in use for almost 50 years. In that time, a very large number of formulations have been proposed. As they become increasingly subsumed into systems analysis and machine‐learning studies of the magnetosphere, it is timely to establish best practice in their derivation and study their limitations. This paper reports on a number of studies carried out to establish some key points. Particular attention is paid to the best metric used to evaluate their performance and how it depends on the application for which the coupling function is intended.
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spelling doaj-art-5e9b8b1b9d6f4bbe870926920f305a932025-01-14T16:31:00ZengWileySpace Weather1542-73902022-02-01202n/an/a10.1029/2021SW002989Solar Wind—Magnetosphere Coupling Functions: Pitfalls, Limitations, and ApplicationsMike Lockwood0Department of Meteorology University of Reading Reading UKAbstract Solar wind‐magnetosphere coupling functions have now been in use for almost 50 years. In that time, a very large number of formulations have been proposed. As they become increasingly subsumed into systems analysis and machine‐learning studies of the magnetosphere, it is timely to establish best practice in their derivation and study their limitations. This paper reports on a number of studies carried out to establish some key points. Particular attention is paid to the best metric used to evaluate their performance and how it depends on the application for which the coupling function is intended.https://doi.org/10.1029/2021SW002989solar windmagnetospherecoupling functionsperformance metricsactivity distributions
spellingShingle Mike Lockwood
Solar Wind—Magnetosphere Coupling Functions: Pitfalls, Limitations, and Applications
Space Weather
solar wind
magnetosphere
coupling functions
performance metrics
activity distributions
title Solar Wind—Magnetosphere Coupling Functions: Pitfalls, Limitations, and Applications
title_full Solar Wind—Magnetosphere Coupling Functions: Pitfalls, Limitations, and Applications
title_fullStr Solar Wind—Magnetosphere Coupling Functions: Pitfalls, Limitations, and Applications
title_full_unstemmed Solar Wind—Magnetosphere Coupling Functions: Pitfalls, Limitations, and Applications
title_short Solar Wind—Magnetosphere Coupling Functions: Pitfalls, Limitations, and Applications
title_sort solar wind magnetosphere coupling functions pitfalls limitations and applications
topic solar wind
magnetosphere
coupling functions
performance metrics
activity distributions
url https://doi.org/10.1029/2021SW002989
work_keys_str_mv AT mikelockwood solarwindmagnetospherecouplingfunctionspitfallslimitationsandapplications