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Active Message Threads for December 2022
CIG WEBINAR Thursday January 12, 2023 @2p PST Global 3D model of mantle attenuation using seismic normal modes Soza Talavera, Utrecht / UCSD Seismic tomographic models based solely on wave velocities have limited ability to distinguish between a thermal or compositional origin for Earth’s 3D structure. Complementing wave velocities with attenuation observations can make that distinction, which is fundamental for understanding mantle convection evolution. For example, a thermal origin for the… [more]