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Acoustic and electromagnetic properties of soils saturated with salt water and NAPL by José M. Carcione; Géza Seriani; Davide Gei is a Earth and Planetary Sciences article available to read on EtoBox.

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Electrical, seismic, and electromagnetic methods can be used for noninvasive determination of subsurface physical and chemical properties. In particular, we consider the evaluation of water salinity and the detection of surface contaminants. Most of the relevant properties are represented by electric conductivity, P-wave velocity, and dielectric permittivity. Hence, it is important to obtain relationships between these measurable physical quantities and soil composition, saturation, and frequency. Conductivity in the geoelectric frequency range is obtained with Pride's model for a porous rock. (The model considers salinity and permeability.) White's model of patchy saturation is used to calculate the P-wave velocity and attenuation. Four cases are considered: light nonaqueous phase liquid (LNAPL) pockets in water, dense nonaqueous phase liquid (DNAPL) pockets in water, LNAPL pockets in air, and DNAPL pockets in air. The size of the pockets (or pools), with respect to the signal wavelength, is modeled by the theory. The electromagnetic properties in the GPR frequency range are obtained by using the Hanai -Bruggeman equation for two solids (sand and clay grains) and two fluids (LNAPL

Who reads Acoustic and electromagnetic properties of soils saturated with salt water and NAPL?

Author

José M. Carcione; Géza Seriani; Davide Gei

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0926-9851)

Published

2003

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)