Paper:	How Much Data Do We Need to Detect the Deep Solar Meridional Circulation?
Volume:	416, Solar-Stellar Dynamos as Revealed by Helio- and Asteroseismology: GONG 2008/SOHO 21
Page:	131
Authors:	Braun, D. C.; Birch, A. C.
Abstract:	We assess the noise in p-mode travel-time shifts which would form the basis of inferences of large-scale flows throughout the solar convection zone. We derive the expected travel times from a parameterized return flow component of the meridional circulation. We show that a helioseismic detection of the return component may not be possible using data spanning an interval less than a solar cycle.

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