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- W830591947 abstract "A new approach to quantifying the magnetic complexity of active regions using a fractal dimension measure is presented. This fully-automated approach uses full disc MDI magnetograms of active regions from a large data set (2742 days of the SoHO mission; 9342 active regions) to compare the calculated fractal dimension to both Mount Wilson classification and flare rate. The main Mount Wilson classes exhibit no distinct fractal dimension distribution, suggesting a self-similar nature of all active regions. Solar flare productivity exhibits an increase in both the frequency and GOES X-ray magnitude of flares from regions with higher fractal dimensions. Specifically a lower threshold fractal dimension of 1.2 and 1.25 exists as a necessary, but not sufficient, requirement for an active region to produce M- and X-class flares respectively ." @default.
- W830591947 created "2016-06-24" @default.
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- W830591947 date "2005-01-01" @default.
- W830591947 modified "2023-09-23" @default.
- W830591947 title "A Fractal Dimension Survey of Active Region Complexity" @default.
- W830591947 hasPublicationYear "2005" @default.
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