precintcon (version 2.3.0)

pcd: Precipitation Concentration Degree

Description

Calculates the Precipitation Concentration Degree (PCD) on a daily or monthly precipitation serie.

Usage

pcd(object)

Arguments

object

a daily or monthly precipitation serie.

Value

A data.frame containing the following variables:

• year is the year.
• pcd is the percentage of precipitation concentration corresponding to a year. Values closer to 0 mean precipitation dispersion among all months and 1 concentration into only a month.

References

Zhang LJ, Qian YF (2003) Annual distribution features of precipitation in China and their interannual variations. J Acta Meteorological Sinica 17:146-163

See Also

pplot.pcd read.data as.daily as.monthly

Examples

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

## 
# Performing the Precipitation Concentration Index analysis
pcd(monthly)