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The Sun’s polar magnetic field: datasets, proxies and theoretical issues

  • Arnab Rai Choudhuri (a1)

Abstract

The polar magnetic field of the Sun is a manifestation of certain aspects of the dynamo process and is a good precursor for predicting a sunspot cycle before its onset. Although actual synoptic measurements of this field exist only from the mid-1970s, it has now been possible to determine its evolution from the beginning of the twentieth century with the help of various proxies. The recently developed 3D kinematic dynamo model can study the build-up of the Sun’s polar magnetic field more realistically than the earlier surface flux transport model.

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The Sun’s polar magnetic field: datasets, proxies and theoretical issues

  • Arnab Rai Choudhuri (a1)

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