Japan Geoscience Union Meeting 2021

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[J] Oral

S (Solid Earth Sciences ) » S-SS Seismology

[S-SS09] Seismic wave propagation: Theory and Application

Sat. Jun 5, 2021 1:45 PM - 3:15 PM Ch.18 (Zoom Room 18)

convener:Kaoru Sawazaki(National Research Institute for Earth Science and Disaster Resilience), Kiwamu Nishida(Earthquake Research Institute, University of Tokyo), Takao Nibe(JAPEX), Kyosuke Okamoto(National Institute of Advanced Industrial Science and Technology), Chairperson:Kiwamu Nishida(Earthquake Research Institute, University of Tokyo), Takashi Hirose(National Research Institute for Earth Science and Disaster Resilience)

1:45 PM - 2:15 PM

[SSS09-12] Imaging the solar interior using noise tomography

★Invited Papers

*Shravan Hanasoge1 (1.Tata Institute of Fundamental Research)

Keywords:Noise tomography

Helioseismology is the science of imaging the solar interior using observations of acoustic oscillations at the surface. These waves are stochastically excited by turbulence in the near-surface layers of the Sun, which then traverse the interior and re-emerge at the surface. Much as in terrestrial noise tomography, we measure cross-correlations of the surface wavefield to infer interior properties. Drawing parallels with noise tomography, I will describe the data, methods and the many successes of helioseismology in obtaining constraints on solar interior structure and dynamics.