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This paper aims to use a multi-parameter method for estimating the geomorphologic risk, in Tecucel drainage basin, Romania. It is located in the South-Eastern region of the country, and it is an tributary of Barlad river, draining important inhabited areas. The population is predominantly rural and mostly based on agricultural activities, therefore the farmlands are extremely important in their lives, the geomorphologic risk leading to potential reduction of arable land, which ensures the very existence of the inhabitants. The evaluation for this type of risk implies the analysis of several morphometrical parameters, out of which the most important are slope, land use, surface curvature, soil etc. The main morphometrical layers are generated from a terrain model, derived from Lidar data. This method includes the classification of each parameter, according to a riskbased logic. Therefore, high values of each parameter will be associated with landslide prone areas. The following process is the combination of all the layers into a final layer, using a geoformula, which will be implemented in GIS software. Among the results, the most relevant is considered to be a map revealing all the risk prone areas, including the overlapping villages. Based on this map, a statistical analysis will be performed, revealing the estimated built-up areas that are prone to be affected, as well as farmland. This proposed approach, which uses GIS techniques to map the geomorphologic risk, is useful to emphasize the potential danger associated to landslides, gully erosion and their direct effect on the human activities.

GEOMORPHOLOGIC RISK ASSESSMENT IN TECUCEL DRAINAGE BASIN, USING GIS TECHNIQUES