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State-of-the-art of kinematic modeling the solar cycle

Published online by Cambridge University Press:  27 November 2018

Jie Jiang Open the ORCID record for Jie Jiang [Opens in a new window]
Jie Jiang*
Affiliation:
School of Space and Environment, Beihang University, Beijing, China email: jiejiang@buaa.edu.cn
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Abstract

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The kinematic modeling of the solar convection zone remains the workhorse of the solar dynamo to understand the solar cycle. During the past several years, the major progress in understanding the solar cycle using kinematic models is as follows. (1). The Babcock-Leighton (BL) mechanism was confirmed to be at the essence of the solar cycle. (2). The scatter of sunspot tilt angles is identified as a major cause of solar cycle irregularities. (3). The important roles of the magnetic pumping in the dynamo process are recognized. (4). Some 3D kinematic BL type dynamo models have been developed. As a key part of the solar dynamo loop, the surface observable part of the BL mechanism makes the physics-based solar cycle prediction feasible. Including the effects of the tilt scatter on the polar field generation, the possible strength of the subsequent cycle can be predicted when a cycle starts for a few years.

Keywords

Sun: activitySun: evolutionSun: magnetic fields(Sun:) sunspots
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S340: Long-term Datasets for the Understanding of Solar and Stellar Magnetic Cycles , February 2018 , pp. 269 - 274
Copyright
Copyright © International Astronomical Union 2018 

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