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Variations in the Sun’s Meridional Flow over a Solar Cycle

Hathaway, David H.; Rightmire, Lisa

The Sun’s meridional flow is an axisymmetric flow that is generally directed from its equator toward its poles at the surface. The structure and strength of the meridional flow determine both the strength of the Sun’s polar magnetic field and the intensity of sunspot cycles. We determine the meridional flow speed of magnetic features on the Sun us…