An alternative procedure for drought risk assessment and for the mitigation of drought risk is proposed in the paper. An analysis of the relationship between failure of water supply systems and reservoir volumes for the urban area of Firenze in central Tuscany, in central Italy, is performed....

This technical report consists of five parts. The introduction presents the situation of water scarcity and drought in the Mediterranean region and the linkages between the water framework directive and water scarcity. In Chapter I, the definitions and assessments of the different phenomena are...