Open AccessDifferential Rotation and Dynamics of the Solar Interior
Author(s) -
M. J. Thompson,
Juri Toomre,
E. Anderson,
H. M. Antia,
G. Berthomieu,
D. Burtonclay,
S. M. Chitre,
J. ChristensenDalsgaard,
T. Corbard,
Marc L. DeRosa,
Christopher R. Genovese,
D. O. Gough,
D. A. Haber,
J. W. Harvey,
F. Hill,
R. Howe,
S. G. Korzennik,
А. Г. Косовичев,
J. W. Leibacher,
F. P. Pijpers,
J. Provost,
E. J. Rhodes,
J. Schou,
T. Sekii,
Philip B. Stark,
P. R. Wilson
Publication year - 1996
Publication title -
science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 12.556
H-Index - 1186
eISSN - 1095-9203
pISSN - 0036-8075
DOI - 10.1126/science.272.5266.1300
Subject(s) - oscillation (cell signaling) , differential rotation , latitude , rotation (mathematics) , radius , physics , solar rotation , convection , atmospheric sciences , geology , geodesy , astrophysics , meteorology , geometry , solar physics , mathematics , stars , chemistry , biochemistry , computer security , computer science
Splitting of the sun's global oscillation frequencies by large-scale flows can be used to investigate how rotation varies with radius and latitude within the solar interior. The nearly uninterrupted observations by the Global Oscillation Network Group (GONG) yield oscillation power spectra with high duty cycles and high signal-to-noise ratios. Frequency splittings derived from GONG observations confirm that the variation of rotation rate with latitude seen at the surface carries through much of the convection zone, at the base of which is an adjustment layer leading to latitudinally independent rotation at greater depths. A distinctive shear layer just below the surface is discernible at low to mid-latitudes.
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