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Geoelectric Monitoring to Investigate Landslide DynamicsNormal access

Authors: R. Supper, B. Jochum, D. Ottowitz, A. Römer, I. Baron, S. Pfeiler, M. Lovisolo, G. Moser, S. Cardelini and J.H. Kim
Event name: Near Surface Geoscience 2012 – 18th European Meeting of Environmental and Engineering Geophysics
Session: Geohazards
Publication date: 03 September 2012
DOI: 10.3997/2214-4609.20143322
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 651.2Kb )
Price: € 20

Summary:
Although the monitoring of temporal electrical resistivity changes has undergone an intensive boom within the past few years, there is still a lack of applications on landslides, allowing performing an evaluation of the methodology for monitoring and early warning. Therefore after the development of specialized equipment for geoelectric monitoring, a network of several monitoring systems was installed on several landslides in different geological environment to evaluate the applicability of the methodology. Results from two of the sites are discussed. At the site of Ampflwang geoelectrical monitoring could successfully monitor subsurface dynamics whereas at the test site of Ancona, several problems due to the low signal to noise ration were encountered. However based on these results it can be concluded that resistivity monitoring can help to map the subsurface processed, that accompany the triggering of a landslide.


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