The majority of the examples are taken from regions where the rivers run most of the year.

The underlying concept of the paper is that the amount of precipitation required for the near-normal operation of the established economy of an area during some

The majority of the examples are taken from regions where the rivers run most of the year.

Drought is one of the major natural hazards, resulting in significant economic, social, and environmental costs. In Europe, water shortage is an important probl