Dictionary:Biot theory
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{{#category_index:B|Biot theory}} A theory of seismic wave travel in porous media that predicts three wave types: P- and S-waves and a Biot slow wave. The slow wave couples wave motion to fluid diffusion and propagates at velocities≈10 m/s; it was observed experimentally by Plona (1980). See Biot (1956).