The Impact of Hydrological Parameters on Modelling Slope Safety Factor Towards Shallow Landslides: A Case Study from Oltrepò PaveseM. Bordoni, C. Meisina, R. Valentino, M.G. Persichillo, M. Bittelli and S. ChersichE3S Web Conf., 9 (2016) 15005DOI: https://doi.org/10.1051/e3sconf/20160915005