ml22: Function to return the ML22 hydrologic indicator statistic...

In jlthomps/EflowStats: Returns HIT/HAT Hydrologic Indicator stats for a given set of data

Description

This function accepts a data frame that contains columns named "discharge" and "year_val" and a numeric drainage area and calculates ML22, specific mean annual minimum flow. ML22 is the mean (or median-Use Preference option) of the annual minimum flows divided by the drainage area (cubic feet per second/square mile-temporal).

Usage

  ml22(x, drainarea, pref = "mean")

Arguments

x	data frame containing a "discharge" column containing daily flow values
pref	string containing a "mean" or "median" preference
drainarea	numeric value of the drainage area for a given site

Value

ml22 numeric value of ML22 for the given data frame

Examples

qfiletempf<-sampleData
drainarea<-56.5
ml22(qfiletempf,drainarea)

jlthomps/EflowStats documentation built on May 19, 2019, 12:48 p.m.