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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 9
Ann. Geophys., 14, 888–892, 1996
https://doi.org/10.1007/s00585-996-0888-7
© European Geosciences Union 1996
Ann. Geophys., 14, 888–892, 1996
https://doi.org/10.1007/s00585-996-0888-7
© European Geosciences Union 1996

  30 Sep 1996

30 Sep 1996

Fractals and magnetic storm

Tan-Wen Wang Tan-Wen Wang

Abstract. Fractal theory is applied in a quantitative analysis of geomagnetic storms. Fractal dimensions (D) of the attractor for storm data from the Beijing observatory (40.0°N, 116.2°E) using several time intervals are calculated. A maximum value of 1.4 has been obtained for a geomagnetic storm; on quite days the dimension is only slightly larger than 0.5. Data from two storms are analyzed here. Results show that a combination of both D and the magnetic index, k, can perhaps describe the degree of solar disturbance better than the single parameter k.

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