“…These sites have been in focus of research for several years, and the major geological factors and the dynamics of processes were reported in [Kozyreva et al, 2014a[Kozyreva et al, , 2014b[Kozyreva et al, , 2016Kadetova et al, 2016aKadetova et al, , 2016bRybchenko et al, 2018]. Quantitative data on the processes under study were obtained by various methods, including tachometry surveys, ground photogrammetry and direct field measurements.…”