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Meridional flow in the Sun’s convection zone is a single cell in each hemisphere

Gizon, Laurent; Cameron, Robert H.; Liang, Zhi-Chao +4 more

The Sun’s magnetic field is generated by subsurface motions of the convecting plasma. The latitude at which the magnetic field emerges through the solar surface (as sunspots) drifts toward the equator over the course of the 11-year solar cycle. We use helioseismology to infer the meridional flow (in the latitudinal and radial directions) over two …