Estimation of electrode positions from sparsely distributed reference points for long term geoelectric monitoring of an active landslide (abstract only)

Uhlemann, S.S.; Chambers, J.E.; Wilkinson, P.B.; Merritt, A.; Meldrum, P.I.; Kuras, O.; Oxby, L.; Gunn, D.; Kirkham, M.. 2014 Estimation of electrode positions from sparsely distributed reference points for long term geoelectric monitoring of an active landslide (abstract only). [Other] In: 2nd International Workshop on Geoelectrical Monitoring, Tokyo, Japan, 28-30 May 2014. Geological Survey of Austria. (Unpublished)

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Abstract/Summary

Recent improvements in the capabilities of electrical resistivity tomography (ERT) in ground imaging have resulted in an increased application of this technique to the characterisation of landslides. Time-lapse ERT offers the possibility to image changes in the resistivity distribution over time, which may indicate hydrological processes triggering landslide movement. However, these measurements depend on knowing the exact locations of the electrodes, which, especially on landslides, are changing over time.