PIANA , P.

Terraces, traditionally sustained by dry stonewalls, occupy about thirty percent of the territory of Liguria. If constantly maintained, they effectively contribute to slow down the natural slope erosion. When no longer managed, terraces are recognized as one of the reasons for increased geomorphological risk along the slopes and, consequently,...

The city of Genoa (Liguria, Italy) and the Bisagno Valley are affected by frequent floods, oftenwith loss of human lives. Historically characterised by high flood hazards, the Bisagno Valleywas recently affected by a flood event on 9 October 2014, less than three years after the tragic flood event of 4 November 2011 when six people...