Magnitude of monthly water conditions

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Description

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

Usage

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  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)

jason.e.law@gmail.com

References

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

Examples

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