On Contribution of Poloidal Branch of Solar Activity to Heliosphere and GCR Modulation

The point of view is substantiated that during periods of low sunspot activity many heliospheric characteristics (the solar wind velocity, the form of the heliospheric current sheet, the strength of the heliospheric magnetic field) can be considered as the manifestations in the heliosphere of the po...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-02, Vol.1181 (1), p.12010
Main Authors: Krainev, M.B., Bazilevskaya, G.A., Kalinin, M.S., Svirzhevsky, N.S.
Format: Article
Language:English
Subjects:
Current sheets
Heliosphere
Modulation
Solar activity
Solar wind
Solar wind velocity
Sunspot cycle
Sunspots
Wind speed
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Summary:The point of view is substantiated that during periods of low sunspot activity many heliospheric characteristics (the solar wind velocity, the form of the heliospheric current sheet, the strength of the heliospheric magnetic field) can be considered as the manifestations in the heliosphere of the poloidal branch of solar activity. As these characteristics strongly influence the process of the GCR transport through the heliosphere the contribution of the poloidal branch of solar activity to the GCR solar modulation should also be substantial. This conclusion is at odds with the wide-spread belief that the modulated GCR intensity is mainly determined by the sunspot cycle.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1181/1/012010