Differential rotation and dynamics of the solar interior

M. J. Thompson, J. Toomre, E. R. Anderson, H. M. Antia, G. Berthomieu, D. Burtonclay, S. M. Chitre, J. Christensen-Dalsgaard, T. Corbard, M. DeRosa, C. R. Genovese, D. O. Gough, D. A. Haber, J. W. Harvey, F. Hill, R. Howe, S. G. Korzennik, A. G. Kosovichev, J. W. Leibacher, F. P. PijpersJ. Provost, E. J. Rhodes, J. Schou, T. Sekii, P. B. Stark, P. R. Wilson

Research output: Contribution to journalArticlepeer-review

266 Scopus citations

Abstract

Splitting of the sun's global oscillation frequencies by large-scale flows car 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.

Original languageEnglish (US)
Pages (from-to)1300-1305
Number of pages6
JournalScience
Volume272
Issue number5266
DOIs
StatePublished - May 31 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General

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