Landslide monitoring techniques in the Geological Surveys of Europe

Auflič, Mateja Jemec; Herrera, Gerardo; Mateos, Rosa María; Poyiadji, Eleftheria; Quental, Lídia; Severine, Bernardie; Peternel, Tina; Podolszki, Laszlo; Calcaterra, Stefano; Kociu, Arben; Warmuz, Bartłomiej; Jelének, Jan; Hadjicharalambous, Kleopas; Becher, Gustaf Peterson; Dashwood, Claire; Ondrus, Peter; Minkevičius, Vytautas; Todorović, Saša; Møller, Jens Jørgen; Marturia, Jordi. 2023 Landslide monitoring techniques in the Geological Surveys of Europe. Landslides, 20. 951-965.

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Landslide monitoring is a mandatory step in landslide risk assessment. It requires collecting data on landslide conditions (e.g., areal extent, landslide kinematics, surface topography, hydrogeometeorological parameters, and failure surfaces) from different time periods and at different scales, from site-specific to local, regional, and national, to assess landslide activity. In this analysis, we collected information on landslide monitoring techniques from 17 members of the Earth Observation and Geohazards Expert Group (from EuroGeoSurveys) deployed between 2005 and 2021. We examined the types of the 75 recorded landslides, the landslide techniques, spatial resolution, temporal resolution, status of the technique (operational, non-operational), time of using (before the event, during the event, after the event), and the applicability of the technique in early warning systems. The research does not indicate the accuracy of each technique but, rather, the extent to which Geological Surveys conduct landslide monitoring and the predominant techniques used. Among the types of landslides, earth slides predominate and are mostly monitored by geological and engineering geological mapping. The results showed that Geological Surveys mostly utilized more traditional monitoring techniques since they have a broad mandate to collect geological data. In addition, this paper provides new insights into the role of the Geological Surveys on landslide monitoring in Europe and contributes to landslide risk reduction initiatives and commitments (e.g., the Kyoto Landslide Commitment 2020).

Item Type: Publication - Article
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ISSN: 1612-510X
Date made live: 16 Jan 2023 13:11 +0 (UTC)

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