Vol. 6 (2009) > lrsp-2009-1

doi: 10.12942/lrsp-2009-1
Living Rev. Solar Phys. 6 (2009), 1

Solar Interior Rotation and its Variation

1 National Solar Observatory, 950 N. Cherry Ave., Tucson AZ 85719, U.S.A.

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Article Abstract

This article surveys the development of observational understanding of the interior rotation of the Sun and its temporal variation over approximately forty years, starting with the 1960s attempts to determine the solar core rotation from oblateness and proceeding through the development of helioseismology to the detailed modern picture of the internal rotation deduced from continuous helioseismic observations during solar cycle 23. After introducing some basic helioseismic concepts, it covers, in turn, the rotation of the core and radiative interior, the “tachocline” shear layer at the base of the convection zone, the differential rotation in the convection zone, the near-surface shear, the pattern of migrating zonal flows known as the torsional oscillation, and the possible temporal variations at the bottom of the convection zone. For each area, the article also briefly explores the relationship between observations and models.

Keywords: Interior, Solar cycle, Helioseismology, Convection

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Since a Living Reviews in Solar Physics article may evolve over time, please cite the access <date>, which uniquely identifies the version of the article you are referring to:

Rachel Howe,
"Solar Interior Rotation and its Variation",
Living Rev. Solar Phys. 6,  (2009),  1. URL (cited on <date>):

Article History

ORIGINAL http://www.livingreviews.org/lrsp-2009-1
Title Solar Interior Rotation and its Variation
Author Rachel Howe
Date accepted 10 February 2009, published 23 February 2009
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