Articles | Volume 10, issue 4
https://doi.org/10.5194/se-10-1321-2019
https://doi.org/10.5194/se-10-1321-2019
Research article
 | 
08 Aug 2019
Research article |  | 08 Aug 2019

Seismic attenuation and dispersion in poroelastic media with fractures of variable aperture distributions

Simón Lissa, Nicolás D. Barbosa, J. Germán Rubino, and Beatriz Quintal

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Short summary
We quantify the effects that 3-D fractures with realistic distributions of aperture have on seismic wave attenuation and velocity dispersion. Attenuation and dispersion are caused by fluid pressure diffusion between the fractures and the porous background. We show that (i) both an increase in the density of contact areas and a decrease in their correlation length reduce attenuation and (ii) a simple planar fracture can be used to emulate the seismic response of realistic fracture models.