When a seismic or electromagnetic wave propagates through layered, fluid saturated porous media, conversion to electromagnetic or seismic energy takes place. Its existence can be attributed to the electric double layer near the grain surfaces of porous media saturated by an electrolyte. The conversion mechanism involves reflection- and transmission coefficients which have been formulated by several authors for porous-porous and air-porous interfaces. Here we present electrokinetic reflection- and transmission coefficients at a fluid/porous-medium boundary for an incident P-wave from the fluid. Results for seismic scattering is consistent with previous literature. The seismoelectric conversion is on the order 10E(-10).


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