Land reflection seismic, hydrogeological and magnetic study of an area prone to quick-clay landslides in southwest Sweden

SND-ID: snd1079-4. Version: 1.0. DOI: https://doi.org/10.5878/a8xn-fc97

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Citation

Creator/Principal investigator(s)

Silvia Salas Romero - Uppsala universitet, Geosciences

Alireza Malehmir - Uppsala universitet, Geosciences

Ian Snowball - Uppsala universitet, Geosciences

Benoît Dessirier - Uppsala universitet, Geosciences

Research principal

Uppsala University - Department of Earth Sciences

Description

Quick-clay landslides are common geohazards in Nordic countries and Canada. The presence of potential quick clays is confirmed using geotechnical investigations, but near-surface geophysical methods, such as seismic and resistivity surveys, can also help identifying coarse-grained materials associated to the development of quick clays. We present the results of four reflection seismic profiles next to the Göta River in Sweden, along which many quick-clay landslide scars exist. An extensive coarse-grained layer exists in the sedimentary sequence and is interpreted and modeled in a regional context. Hydrological modeling of the coarse-grained layer is performed. Magnetic data are also studied within this investigation.

Language

English

Method and outcome

Time period(s) investigated

2018-01-01 – 2018-03-05

Data format / data structure

Numeric

Data collection

Geographic coverage

Geographic spread

Geographic location: Sweden, Västra Götaland County

Administrative information

Responsible department/unit

Department of Earth Sciences

Topic and keywords

Research area

Earth and related environmental sciences (Standard för svensk indelning av forskningsämnen 2011)

Geoscientific information (INSPIRE topic categories)

Natural environment (CESSDA Topic Classification)

Keywords

Landslides, Hydrology, Electric/magnetic field exposure, Seismic profile

Publications

Salas-Romero, S., Malehmir, A., Snowball, I., & Dessirier, B., Subsurface characterization of a quick-clay vulnerable area using near-surface geophysics and hydrological modelling, accepted in Solid Earth, 2019

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Published: 2019-01-14

Last updated: 2020-01-22