Thereby, evaluation of change in permafrost and hydrogeological conditions of the South Yakutia region is extremely important. Modern climate change as well as neotectonic earth's crust movement, caused by seismic events, which are sometimes of high intensity, contribute greatly to the development of these processes ( Delemen' and Konstantinova, 2009). The design and building of large manufacture facilities, gas and oil pipelines, federal railways and highways face severe geological, tectonic, geocryological and hydrogeological conditions such as landslide formation, icing and stone run formation, and cryogenic disintegration of rocks ( Parise and Jibson, 2000 Geertsema et al., 2009 Analysis of field and laboratory research on the proposed topic, started in 2015, highlights the problems facing rapid infrastructural development within the South Yakutia region.
This article reveals the developmental features of gravitational and cryogenic processes in tectonically active zones, connected with natural and anthropogenic influences on the environment within the Chulmanskoye Plateau, South Yakutia, Russia.
Such a process is complicated by cryogenic disintegration of rocks in the base of the landslide body due to groundwater discharge and icing formation in winter. It is worth noting that at the Duray River site, 59 cm of active soil slumping movement towards the roadbed has occurred within two summer months. Formation of joint fissures on slopes assisted drainage of aquifers of free water exchange zone. Seismic events, occurring four years ago, led to landslides in the mentioned sites. The second site is located on the right side of the Chulmakan River Valley, 400 meters to the east of the ESPO oil pipeline route. The first site is located in the middle reach of the Duray River, where it is crossed by the highway Lena.
These conditions are evident within two sites. Abstract: High seismic activity, difficult permafrost and hydrogeological conditions of South Yakutia (Russia) complicate building and exploitation of engineering construction and require additional detailed and complex research.
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