Influence of geomorphological conditions of a mountain region on the intensity of hazardous geological processes

Abstract

Relevance. Hemorphology is one of the key factors in the development of geological processes. Due to the significant mass of displaced material, slope processes have enormous destructive power and pose a great danger to accommodation, transport and other economic facilities. In example of the Mamison recreational complex, the influence of the geomorphological features of the mountain region on the intensity of the manifestation of hazardous heological processes was studied. Methods. The work uses an integrated approach, including mathematical models, numerical experiments, regression analysis of natural and numerical data and the development of an integrated methodology in GIS technologies. Based on SRTM Earth space sensing data, a digital elevation model (DEM) was created and slope stability calculations were performed in a static setting using the Bishop method and under dynamic loadings. In the latter case, seismic vibrations were modeled by the finite element method. Results. A connection has been established between the intensity of vibrations of the surface of a rock massif and a coefficient equal to the product of the angle of inclination of the relief and the relative height, and formulas for peak accelerations and intensity increments have been obtained. Based on the data obtained, the territory was ranked according to the complex influence of static and dynamic loads on the massif.