A Synoptic View of the Subphotospheric Horizontal Velocity Flows in the Sun
Ring diagram analysis, a technique of local helioseismology, has been applied to 120 regions of 15deg×15deg over the solar surface in order to study the mass motions in the upper layers of the convection zone. The horizontal flows from ~0.95 Rsolar up to the surface have been investigated in a region spanning 360deg in longitude and about 75deg in
González Hernández, I. et al.
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