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Erschienen in:
2017 | OriginalPaper | Buchkapitel
Monitoring of the Stogovce Landslide Slope Movements with GEASENSE GNSS Probes, SW Slovenia
verfasst von : Timotej Verbovšek, Marko Kočevar, Igor Benko, Matej Maček, Ana Petkovšek
Erschienen in: Advancing Culture of Living with Landslides
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Abstract
Landslide Stogovce had been triggered by an extreme precipitation event in September 2010, and destroyed a local road. Measurements in inclinometers along the newly constructed road have indicated movements in 2011 and 2016. GEASENSE GNSS probes, which were installed on the landslide body below the new road, have also measured movements in range of several cm/month in the 2012–mid 2015 period, with cumulative movement of 45 cm in this period. Depth to the slip surface was from 13 to 25 m, and groundwater occurs in most of the boreholes, approximately half meter above the slip surface. The displaced material has been also detected by the calculation of surface difference in GIS, from the 2010 and 2014 lidar DEMs. The displaced material is composed mostly of debris of fractured Upper Triassic limestone and dolomite and weathered flysch, and due to its measured movements, is still capable of being transformed into a debris flow.