ASPCS
 
Back to Volume
Paper: Time-Distance Helioseismic Imaging of a Numerically Simulated Solar Tachocline
Volume: 416, Solar-Stellar Dynamos as Revealed by Helio- and Asteroseismology: GONG 2008/SOHO 21
Page: 25
Authors: Zhao, J.; Hartlep, T.; Kosovichev, A. G.; Mansour N. N.
Abstract: The solar tachocline, located near the bottom of the convection zone, is a very important region for solar dynamics and the solar dynamo. We develop a time-distance helioseismology technique, including both surface- and deep-focusing measurements, together with inversions, to derive the interior image of the sound speed perturbation at the tachocline with a latitudinal dependence. We test the technique on numerically simulated global wavefields and find that the technique is able to recover the major features that are preset in the numerical model, though a bit more widespread into the deeper interior. This measurement and inversion technique will be applied to MDI observations to derive the structures of solar tachocline.
Back to Volume