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Magnetospheric substorms and solar flares

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Abstract

Assuming that basic plasma processes associated with magnetospheric substorms and solar flares are similar and thus assuming also that a flare ribbon is produced by the impact of field-aligned current-carrying electrons on the chromosphere, a chain of processes leading to solar flares is considered, including the dynamo process in the photospheric level in the vicinity of bipolar sunspots, the formation of a sheet current in the lower coronal level, the interruption of the sheet current, the subsequent diversion of it to the chromosphere, the development of a potential drop along magnetic field lines, the acceleration of current-carrying electrons and their impact on the chromosphere, producing a pair of flare ribbons.

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  1. Geophysical Institute, University of Alaska, 99701, Fairbanks, Alaska, U.S.A.

    S.-I. Akasofu

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  1. S.-I. Akasofu
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Akasofu, SI. Magnetospheric substorms and solar flares. Sol Phys 64, 333–348 (1979). https://doi.org/10.1007/BF00151444

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  • DOI: https://doi.org/10.1007/BF00151444

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