Observation of oscillation coupling ratios and the meridional flow
Ariane Schad, M. Roth, Jens Timmer
Abstract
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Ariane Schad, M. Roth, Jens Timmer
Abstract
Open-access reader
Measurements from local helioseismology indicate the existence of a meridional flow in the Sun with a strength up to 15 m/s near the solar surface. The flow profile at depths below ≈ 15 Mm are not accessible. We propose a method using global helioseismic measurements with the prospect to infer the meridional flow profile throughout the solar convection zone and show its performance on simulated data.
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Measurements from local helioseismology indicate the existence of a meridional flow in the Sun with a strength up to 15 m/s near the solar surface. The flow profile at depths below ≈ 15 Mm are not accessible. We propose a method using global helioseismic measurements with the prospect to infer the meridional flow profile throughout the solar convection zone and show its performance on simulated data.
Key concepts: Helioseismology, Meridional flow, Zonal and meridional, Oscillation (cell signaling), Flow (mathematics), Convection zone, Coupling (piping), Convection