This special section of Geophysics is dedicated to investigations of hydromechanical phenomena at the pore scale that complement or extend the classical understanding of rock poroelasticity (Biot, 1941, 1956a, 1956b, 1962; Rice and Cleary, 1976; Bourbié et al., 1987; Zimmerman 1991; Detournay and Cheng, 1993; Wang, 2010; Lehner, 2011; Cheng, 2016). In the process of upscaling hydromechanical phenomena of fluid-saturated porous media, classical theories of poroelasticity might suppress certain pore-scale effects that affect geophysical acoustic measurements in the seismic-to-sonic frequency range. Hence, in this special section, we...

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