EGU General Assembly 2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Multi-site rock slope thermal monitoring: Initial results

Ondřej Racek1,2, Jan Blahůt1, and Filip Hartvich1
Ondřej Racek et al.
  • 1Institute of Rock Structure and Mechanics of the CAS, Engineering geology, Praha 8, Czechia (
  • 2Department of Engineering Geology, Institute of Rock Structure and Mechanics, Czech Academy of Sciences, V Holesovickach 94/41, 182 09, Prague, Czechia

This presentation is dedicated to a short description of a combined rock slope thermal monitoring system. The newly designed system is affordable and modular, which predisposes it to installation at multiple sites. This system is being used to monitor four different rock slopes in Czechia for a period of up to 3 years. Slopes differ by lithology, structural setting aspect and modes of instability. The monitoring system consists of a climate station, rock mass surface zone thermal monitoring and unstable blocks crackmeter monitoring. Since 2018 we have instrumented 11 blocks, which differ in terms of shape, volume and mode of destabilization. Analyses of crackmeter, thermal and climatic time-series showed influences of weather and temperature cycles on the crackmeter aperture. Consequently, short-term (diurnal) and medium-term (annual) temperature cycles on the rock slope surficial zone were described. Data show high variability linked to the partial blocks geometry and rock slope properties.

How to cite: Racek, O., Blahůt, J., and Hartvich, F.: Multi-site rock slope thermal monitoring: Initial results, EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022, EGU22-9678,, 2022.