Terrestrial and satellite-based assessment of rainfall triggered landslides activity in Georgia, Caucasus.
2023
Georgia, due to the mountainous relief, growth of population, vulnerable infrastructure and land use, as well as of number of large engineering constructions is one of the hardest landslides’ (LS) prone regions in the world. For reduction of LS risk, it is important to create reliable mass-movement stationary and dynamic hazard maps of Georgia, including precipitation impact. The intensive precipitation is a strong LSs’ trigger. The paper is aimed to assess the rainfall conditions, which can lead to initiation of mass-movement using limited terrestrial and satellite-based data on the summary rainfall and landslide occurrence. This approach can be useful for a lot of regions in the world, where LS and meteorological data are not detailed enough to calculate the standard rainfall intensity/ duration threshold graphs for landslide occurrence. Tab. 2, Fig. 3, Ref. 10.
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