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Landslide Processes Threatening the Historical Objects in the Nizhny Novgorod City

The article is presented in the framework of the IPL-238 project. The article is concerned with stability assessment problems of historical structures located on steep slopes of the gullies and rivers in Nizhny Novgorod City. Churches, towers, walls, and monasteries that interact with the geological environment are represented as historical natural and technical systems (HNTS). The formation and development features of slope deformations and the results of slopes’ stability calculations are described. The necessity of using modern slope stability assessment methods due to the slow but steady increase in landslide hazard for the historical and cultural heritage objects of Nizhny Novgorod, is proved. Stability calculations for the landslide-prone slopes where the Dudin and the Annunciation monasteries are located are presented.