Validating Time-Distance Subsurface Sound-Speed Structure Inversions

Details Validating Time-Distance Subsurface Sound-Speed Structure Inversions Validating Time-Distance Subsurface Sound-Speed Structure Inversions

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21631905z&link_type=abstract

American Astronomical Society, AAS Meeting #216, #319.05; Bulletin of the American Astronomical Society, Vol. 41, p.910

Computer Science

Sound

1

Scientific paper

Inversions for subsurface sound-speed perturbations in the Sun using time-distance helioseismology are important for studying the interior structures of sunspots and supergranules. However, it is essential to assess how well these inversion techniques perform. By analyzing numerical simulations of acoustic wave fields, which are obtained on both local and global scales employing various subsurface sunspot models, we invert for the subsurface sound-speed structures. These inverted structures are then compared with the models prescribed in the simulations. We find that our inversions generally agree well with the models.

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