Articles | Volume 10, issue 5
https://doi.org/10.5194/se-10-1685-2019
https://doi.org/10.5194/se-10-1685-2019
Research article
 | 
11 Oct 2019
Research article |  | 11 Oct 2019

Subsurface characterization of a quick-clay vulnerable area using near-surface geophysics and hydrological modelling

Silvia Salas-Romero, Alireza Malehmir, Ian Snowball, and Benoît Dessirier

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Cited articles

Bastani, M., Persson, L., Löfroth, H., Smith, C. A., and Schälin, D.: Analysis of ground geophysical, airborne TEM, and geotechnical data for mapping quick clays in Sweden, in: Landslides in sensitive clays, Advances in Natural and Technological Hazards Research, edited by: Thakur, V., L'Heureux, J.-S., and Locat, A., Springer, Vol. 46, 463–474, https://doi.org/10.1007/978-3-319-56487-6_41, 2017. 
Bear, J.: Dynamics of fluids in porous media, Dover Publications, New York, 1972. 
BGA (Branschens Geotekniska Arkiv): Geosuite borrhål (och tillhörande Geosuite projektområden), Swedish Geotechnical Institute, available at: http://bga.swedgeo.se/bga/, last access: 1 March 2018. 
Black, R. A., Steeples, D. W., and Miller, R. D.: Migration of shallow seismic reflection data, Geophysics, 59, 402–410, https://doi.org/10.1190/1.1443602, 1994. 
Dahlin, T., Löfroth, H., Schälin, D., and Suer, P.: Mapping of quick clay using geoelectrical imaging and CPTU-resistivity, Near Surf. Geophys., 11, 695–670, https://doi.org/10.3997/1873-0604.2013044, 2013. 
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Short summary
Land–river reflection seismic, hydrogeological modelling, and magnetic investigations in an area prone to quick-clay landslides in SW Sweden provide a detailed description of the subsurface structures, such as undulating fractured bedrock, a sedimentary sequence of intercalating leached and unleached clay, and coarse-grained deposits. Hydrological properties of the coarse-grained layer help us understand its role in the leaching process that leads to the formation of quick clays in the area.