Solar magnetic dipole reversals, paper on model vs. observed

Tallbloke's Talkshop

ImageReversals of the solar magnetic dipole in the light of observational data and simple dynamo models
V. V. Pipin., D. Moss, D. Sokoloff, and J. T. Hoeksema

Astronomy & Astrophysics, July 17th 2014

http://dx.doi.org/10.1051/0004-6361/201323319

ABSTRACT
Context. Observations show that the photospheric solar magnetic dipole usually does not vanish during the reversal of the solar magnetic field, which occurs in each solar cycle. In contrast, mean-field solar dynamo models predict that the dipole field does become zero. In a recent paper it was suggested that this contradiction could be explained as a large-scale manifestation of small-scale magnetic fluctuations of the surface poloidal field.
Aims. Our aim is to confront this interpretation with the available observational data.

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