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- Q31767 subject Q7217154.
- Q31767 abstract "The tachocline is the transition region of the Sun between the radiative interior and the differentially rotating outer convective zone. It is in the outer third of the Sun (by radius). This causes the region to have a very large shear as the rotation rate changes very rapidly. The convective exterior rotates as a normal fluid with differential rotation with the poles rotating slowly and the equator rotating quickly. The radiative interior exhibits solid-body rotation, possibly due to a fossil field. The rotation rate through the interior is roughly equal to the rotation rate at mid-latitudes, i.e. in-between the rate at the slow poles and the fast equator. Recent results from helioseismology indicate that the tachocline is located at a radius of at most 0.70 times the Solar radius (measured from the core, i.e., the surface is at 1 solar radius), with a thickness of 0.04 times the solar radius. This would mean the area has a very large shear profile that is one way that large scale magnetic fields can be formed. The geometry and width of the tachocline plays an important role in models of the solar dynamo by winding up weaker poloidal field to create a much stronger toroidal field. The term tachocline was coined in a paper by Edward Spiegel and Jean-Paul Zahn in 1992 by analogy to the oceanic thermocline.".
- Q31767 thumbnail Tachocline.gif?width=300.
- Q31767 wikiPageExternalLink bib_query?1994MNRAS.267..209B.
- Q31767 wikiPageExternalLink bib_query?1999ApJ...527..445C.
- Q31767 wikiPageExternalLink open?pubNo=lrsp-2005-1&page=articlesu5.html.
- Q31767 wikiPageWikiLink Q1068381.
- Q31767 wikiPageWikiLink Q119830.
- Q31767 wikiPageWikiLink Q127922.
- Q31767 wikiPageWikiLink Q128034.
- Q31767 wikiPageWikiLink Q170754.
- Q31767 wikiPageWikiLink Q190003.
- Q31767 wikiPageWikiLink Q221699.
- Q31767 wikiPageWikiLink Q2377388.
- Q31767 wikiPageWikiLink Q525.
- Q31767 wikiPageWikiLink Q5345387.
- Q31767 wikiPageWikiLink Q5473521.
- Q31767 wikiPageWikiLink Q59122.
- Q31767 wikiPageWikiLink Q619448.
- Q31767 wikiPageWikiLink Q6372.
- Q31767 wikiPageWikiLink Q657936.
- Q31767 wikiPageWikiLink Q6582994.
- Q31767 wikiPageWikiLink Q7217154.
- Q31767 wikiPageWikiLink Q7826210.
- Q31767 wikiPageWikiLink Q79833.
- Q31767 wikiPageWikiLink Q845657.
- Q31767 wikiPageWikiLink Q849599.
- Q31767 comment "The tachocline is the transition region of the Sun between the radiative interior and the differentially rotating outer convective zone. It is in the outer third of the Sun (by radius). This causes the region to have a very large shear as the rotation rate changes very rapidly. The convective exterior rotates as a normal fluid with differential rotation with the poles rotating slowly and the equator rotating quickly.".
- Q31767 label "Tachocline".
- Q31767 depiction Tachocline.gif.