Explaining the Latitudinal Distribution of Sunspots with Deep Meridional Flow

Details Explaining the Latitudinal Distribution of Sunspots with Deep Meridional Flow Explaining the Latitudinal Distribution of Sunspots with Deep Meridional Flow

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002sci...296.1671n&link_type=abstract

Science, Volume 296, Issue 5573, pp. 1671-1673 (2002).

Physics

104

Scientific paper

Sunspots, dark magnetic regions occurring at low latitudes on the Sun's surface, are tracers of the magnetic field generated by the dynamo mechanism. Recent solar dynamo models, which use the helioseismically determined solar rotation, indicate that sunspots should form at high latitudes, contrary to observations. We present a dynamo model with the correct latitudinal distribution of sunspots and demonstrate that this requires a meridional flow of material that penetrates deeper than hitherto believed, into the stable layers below the convection zone. Such a deep material flow may have important implications for turbulent convection and elemental abundance in the Sun and similar stars.

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