ff.index {precintcon}

F factor

Description

It calculates the Approximated Rainfall Erosivity Factor according to the ff index.

Usage

ff.index(object)

Arguments

object

is a daily or monthly precipitation serie

Value

the ff index in millimeters

Author(s)

Lucas Venezian Povoa

References

Ferro, V., Giordano, G., Iovino, M. (1991). Isoerosivity and Erosion Risk Map for Sicily. Hydrolog. Sci. J. 36, 549-564

Examples

##
# Loading the daily precipitation serie.
data(daily)

##
# Calculating ff index
ff.index(daily)