group1: Magnitude of monthly water conditions

In IHA: This package implements The Nature Conservancy's Indicators of Hydrologic Alteration software in R.

Description

Calculates the IHA parameter group 1: Magnitude of montly water conditions

Usage

  group1(x, year = c("water", "calendar"), FUN = median)

Arguments

FUN	the function to be applied to the monthly values. TNC uses median which is the default here.
x	A zoo object containing the flow series
year	the type of year factor to be used, yr = 'water' or yr = 'calendar' for water years and calendar years respectively

Details

See IHA documentation: http://www.nature.org/initiatives/freshwater/conservationtools/art17004.html

Value

A matrix with monthly medians.

Author(s)

[e-mail]

References

http://www.nature.org/initiatives/freshwater/conservationtools/art17004.html

Examples

data(bullrun)
group1(bullrun, 'water')

IHA documentation built on May 2, 2019, 5:15 p.m.