A long term forest fire danger index is described. Such an index is based on the principle that forest fires follow a self organized critical behavior. This behavior implies that under a wide variety of circumstances, forest fires exhibit a power-law dependence of occurrence frequency on burn...

This paper describes a long term risk index for agricultural disasters. The index is built upon the principle that agricultural disasters follow a self organized critical behavior, which implies that under a wide variety of circumstances, agricultural disasters exhibit a power-law dependence of...