Reproducible Aspects of the Climate of Space Weather Over the Last Five Solar Cycles
Reproducible Aspects of the Climate of Space Weather Over the Last Five Solar Cycles
复制标题
过去五个太阳周期空间天气气候的可再现方面
DOI:
10.1029/2018sw001884
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发表时间:
2018
期刊:
影响因子:
3.7
通讯作者:
Chapman S
中科院分区:
文献类型:
--
作者:
Chapman S
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 theF10.7 index of solar coronal radio emissions, the dynamic pressurePDynand effective convection electric fieldEyin the solar wind observed in situ upstream of Earth, the ring current indexDST, and the high‐latitude auroral activity indexAEare 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.
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