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April 2020

EGD Colloquium: Roland Gritto

April 1 @ 1:00 pm - 2:30 pm

Roland Gritto What to Expect Seismic tomographic imaging relies on P-wave and S-wave velocities to  delineate geological subsurface structures. In contrast, the ratio between seismic P-wave and S-wave velocities (Vp/Vs) is more sensitive to fluid saturation. Vp/Vs-ratio has been utilized in numerous studies to distinguish liquid from gaseous fluids in the Earth’s subsurface. Studies include seismic exploration of gas and oil reservoirs, imaging of fluids in fault zones, investigations of volcanic regions to delineate and track movement of liquids (melt)…

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