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Brazil is among the ten countries that are mostly affected by natural disasters in the world, and landslides are one of the main geomorphologic risks in the country, often conditioned by the occupation of hillsides, which causes alterations improving the possibilities for such occurrences. In this context, it is essential to search for tools and instruments that allow to know the potential risks of certain areas and hence to adopt preventive measures. The model of prediction of slide-susceptible areas is an example of these tools. Thus, this work aims to apply a slide prediction mathematical model for the risk management as a subsidy to local public policies in the municipality of Vitoria, Espirito Santo State. Therefore, the study area was defined as the part of the municipality called Ilha de Vitoria (Vitoria Island). The topographic maps at 1:5,000 scale were edited and used to generate the digital terrain model (DTM) and morphometric attributes (slope and contribution area). As soil parameters were tested eight sets of data from similar areas. The Shalstab model was then applied. This model combines the hydrological and the hillside stability models, allowing for the definition of areas susceptible to landslides. The eight models were integrated into a single image from the majorof instability valueamong all simulations. From this slide susceptibility map, it was possible to define attention areas, which are a priority for developing and prioritizing disaster risk management actions in the region.

Emprego de modelo de susceptibilidade a escorregamentos rasos para gestão de riscos de desastres no município de Vitória-ES