Differential rotation and dynamics of the solar interior

Thompson, M. J. ; Toomre, J. ; Anderson, E. R. ; Antia, H. M. ; Berthomieu, G. ; Burtonclay, D. ; Chitre, S. M. ; Christensen-Dalsgaard, J. ; Corbard, T. ; DeRosa, M. ; Genovese, C. R. ; Gough, D. O. ; Haber, D. A. ; Harvey, J. W. ; Hill, F. ; Howe, R. ; Korzennik, S. G. ; Kosovichev, A. G. ; Leibacher, J. W. ; Pijpers, F. P. ; Provost, J. ; Rhodes Jr., E. J. ; Schou, J. ; Sekii, T. ; Stark, P. B. ; Wilson, P. R. (1996) Differential rotation and dynamics of the solar interior Science, 272 (5266). 1300 - 1305. ISSN 0036-8075

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Official URL: http://www.sciencemag.org/cgi/content/abstract/sci...

Related URL: http://dx.doi.org/10.1126/science.272.5266.1300


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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Deposited On:10 Nov 2010 06:40
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