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Harriet Lau, UC Berkeley-Tidal Tomography: What Earth Tides Can Tell Us About Buoyancy in the Mantle

Thursday, Oct 29, 2020 12:00 PM
Where: pass code: 840912
Geophysics Department

Harriet Lau

Department of Earth and Planetary Sciences, UC Berkeley 

Tidal Tomography: What an Often-Neglected Phenomenon Known as Earth Tides Can Tell Us About Buoyancy in the Deepest Part of the Mantle


Earth’s mantle is a key component of the Earth system: its circulation drives plate tectonics, the long-term recycling of Earth’s volatiles, and as such, holds fundamental implications for the Earth’s surface environment. In order to understand this evolution, a key parameter of the mantle must be known, namely its buoyancy. In this talk, I will discuss how Earth’s body tide can provide fresh and independent constraints on deep mantle buoyancy through a newly developed technique called Tidal Tomography. pass code: 840912

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