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Subsurface Flows with Advancing Solar Cycle Using Dense-Pack Ring-Diagram Analyses

Published online by Cambridge University Press:  13 May 2016

D. A. Haber ,
B. W. Hindman ,
J. Toomre ,
R. S. Bogart  and
F. Hill
D. A. Haber
Affiliation:
JILA and Dept. of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO 80309-0440, USA
B. W. Hindman
Affiliation:
JILA and Dept. of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO 80309-0440, USA
J. Toomre
Affiliation:
JILA and Dept. of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO 80309-0440, USA
R. S. Bogart
Affiliation:
Solar Observations Group, HEPL-CSSA, Stanford University, Stanford, CA 94305-4085, USA
F. Hill
Affiliation:
National Solar Observatory, Box 26732, Tucson, AZ 85726-6732, USA

Abstract

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Ring-diagram analyses have become a powerful local helioseismic tool for studying large-scale flows in the upper solar convection zone. Using this technique on a dense-pack mosaic of many small regions extracted from the full-disk Doppler velocity data taken with the Michelson Doppler Imager (MDI) on SOHO, we study how the mean meridional and zonal flows vary with depth and latitude over the course of the advancing solar cycle from 1996 to 2000.

Type
Session II: Convection Zone and Local Area Helioseismology
Information
Symposium - International Astronomical Union , Volume 203: Recent Insights into the Physics of the Sun and Heliosphere: Highlights from Soho and Other Space Missions , 2001 , pp. 211 - 214
Copyright
Copyright © Astronomical Society of the Pacific 2001 

References

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