Open AccessReproducible Aspects of the Climate of Space Weather Over the Last Five Solar Cycles
Author(s) -
Chapman S. C.,
Watkins N. W.,
Tindale E.
Publication year - 2018
Publication title -
space weather
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.254
H-Index - 56
ISSN - 1542-7390
DOI - 10.1029/2018sw001884
Subject(s) - solar maximum , solar wind , environmental science , solar minimum , atmospheric sciences , maxima , meteorology , solar cycle , space weather , physics , plasma , quantum mechanics , performance art , art history , art
Each solar maximum interval has a different duration and peak activity level, which is reflected in the behavior of key physical variables that characterize solar and solar wind driving and magnetospheric response. The variation in the statistical distributions of the F 10.7 index of solar coronal radio emissions, the dynamic pressure P Dyn and effective convection electric field E y in the solar wind observed in situ upstream of Earth, the ring current index D S T , and the high‐latitude auroral activity index A E are tracked across the last five solar maxima. For each physical variable we find that the distribution tail (the exceedences above a threshold) can be rescaled onto a single master distribution using the mean and variance specific to each solar maximum interval. We provide generalized Pareto distribution fits to the different master distributions for each of the variables. If the mean and variance of the large‐to‐extreme observations can be predicted for a given solar maximum, then their full distribution is known.