edu.ucar.opensky::articles:6453 UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact 2025-12-26T15:12:05.313995 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) https://n2t.org/ark:/85065/d7mc906m Three-dimensional magneto-shear instabilities in the solar tachocline - II. Axisymmetric case 2008-12-01T00:00:00Z publication https://n2t.org/ark:/85065/d7mc906m https://doi.org/10.1111/j.1365-2966.2008.13934.x Cally, Paul author Dikpati, Mausumi author Gilman, Peter A. author UCAR/NCAR - Library publisher A Boussinesq model of the development of non-axisymmetric (in particular m= 1) three-dimensional magneto-shear instabilities in the solar tachocline was presented in Paper I. However, there it was erroneously concluded that the axisymmetric (m= 0) modes are stable, and they were not discussed further. Here it is shown that, although m= 0 modes are indeed stable for broad magnetic profiles, they are strongly unstable to radial shredding (high radial wavenumber) instabilities on the poleward shoulders of toroidal magnetic bands at high field strengths (roughly 40-100 kG depending on bandwidth and latitude). These instabilities have growth rates comparable to or greater than those for tipping instabilities (m= 1) in many cases, but both are strongly stabilized by gravitational stratification characteristic of the upper radiative core. Weaker fields are m= 0 stable (though weakly m= 1 unstable), even in neutral gravitational stratification (convection zone). UCAR/NCAR - Library OpenSky Support PO Box 3000 Boulder CO 80307-3000 opensky@ucar.edu http://opensky.ucar.edu/ homepage pointOfContact PDF Text theme Resource Type 2016-01-01T00:00:00Z publication Copyright 2008 Authors. Published under license by John Wiley & Sons for the Royal Meteorological Society. The definitive version is available at http://onlinelibrary.wiley.com. None eng geoscientificInformation