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Helioseismic measurements of differential rotation and meridional flow
Zhao, Junwei
AA(W.W. Hansen Experimental Physics Laboratory, Stanford University, Stanford, CA94305-4085)
Solar and Astrophysical Dynamos and Magnetic Activity, Proceedings of the International Astronomical Union, IAU Symposium, Volume 294, pp. 3-12
Publication Date:
Sun: helioseismology, Sun: interior, Sun: rotation,
Abstract Copyright:
(c) 2013: Copyright © International Astronomical Union 2013
Bibliographic Code:


Solar interior differential rotation and meridional flow play important roles in dynamo models. In this review, I briefly review results in interior rotational profiles and zonal flows obtained from helioseismology studies. Due to the new developments in recent years in interior meridional flow studies, this review focuses more on results on meridional flow. I describe new developments in the shallower poleward meridional flow, and the temporal evolution of these flows. Then I introduce a newly identified center-to-limb variation effect in helioseismology studies, and present recent results in the search of equatorward meridional flows. I also discuss how these results will effect the dynamo models.

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