lfstat: Calculation of Low Flow Statistics for Daily Stream Flow Data

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The "Manual on Low-flow Estimation and Prediction", published by the World Meteorological Organisation (WMO), gives a comprehensive summary on how to analyse stream flow data focusing on low-flows. This packages provides functions to compute the described statistics and produces plots similar to the ones in the manual.

Author
Daniel Koffler, Tobias Gauster and Gregor Laaha
Date of publication
2016-08-24 18:38:34
Maintainer
Tobias Gauster <t.gauster@boku.ac.at>
License
GPL (>= 2)
Version
0.9.4

View on CRAN

Man pages

apply.seasonal
Apply an aggregation function seasonally.
as.lfobj
Coerce to class lfobj
as.xts.lfobj
Convert Object To Class xts
baseflow
Calculate the baseflow of a river
BFI
Base Flow Index
bfplot
Base Flow Plot
cdf_ev
Reversed functions for several Extreme Value Distributions
check_distribution
Checks if a Distribution is suited
createlfobj
Create an lfobj for further Low Flow Analysis
dmcurve
Double Mass Curve
evfit
Fit an extreme value distribution to observations
evquantile
Estimating populations quantiles of extreme values
ev_return_period
Estimate the return period for given quantiles
fdc
Flow Duration Curve
fill_na
Interpolation NA values in a vector
find_droughts
Identifying Low Flow Periods
flowunit
Set and retrieve unit of the discharge
gringorten
Gringorten Plotting Positions
hydrograph
Hydrograph
hyear_start
Extract or guess the Start of a Hydrological Year
lfnacheck
Low flow object check for missing values.
lfnainterpolate
Interpolate missing values
lfstat-package
Calculates Low Flow Statistics for daily stream flow data
ma
Simple Moving Average
MAM
Mean Annual Minimum
meanflow
Mean flow
multistationsreport
Report for several stations
ngaruroro
Daily stream flow data used for low flow analysis
plot.deficit
Plot time series of deficits
pool_ic
Pooling Procedures of Low Flow Events
Q95
Qxx, Q95, Q90, Q70
rainpeakplot
Recession diagnostic plot
readlfdata
Reads data sheets
recession
Recession Constant
rfa
Regional Frequency Analysis
rfaplot
Regional Frequency Analysis
rpline
Highlight quantiles/return periods
sbplot
Seasonal Barchart
seasindex
Seasonality Index
seasratio
Seasonality Ratio
seglenplot
Barchart of recession length
setlfunit
Define the unit to use in lf-plots
streamdef
Streamflow Deficit
streamdefplot
Streamflow Deficit Plot
summary.deficit
Object Summaries
trace_value
Draw Paths to Points perpendicular to Coordinate Axis
tyears
Calculate Low-Flow Quantiles for given Return Periods
tyearsS
Calculate Low-Flow Quantiles for given Return Periods
vary_threshold
Create varying thresholds
water_year
Compute the water year

Files in this package

lfstat
lfstat/inst
lfstat/inst/samplesheets
lfstat/inst/samplesheets/oberammergau.dat
lfstat/inst/samplesheets/kloesterle.dat
lfstat/inst/samplesheets/9104020.day
lfstat/inst/samplesheets/ngaruroro_full.csv
lfstat/inst/samplesheets/donauwoerth.dat
lfstat/tests
lfstat/tests/testthat.R
lfstat/tests/testthat
lfstat/tests/testthat/QMittelTag207373.txt
lfstat/tests/testthat/test-utils.R
lfstat/tests/testthat/test-import.R
lfstat/tests/testthat/test-mam.R
lfstat/tests/testthat/test-dwa.R
lfstat/tests/testthat/test-baseflow.R
lfstat/tests/testthat/tallaksen-ngaruroro-baseflow.csv
lfstat/tests/testthat/test-pooling.R
lfstat/tests/testthat/tallaksen-sequent-peak-summary.csv
lfstat/tests/testthat/Q-Tagesmittel-207373.csv
lfstat/tests/testthat/test-streamdef.R
lfstat/tests/testthat/reference-gl.RData
lfstat/tests/testthat/tallaksen-ray-baseflow.csv
lfstat/tests/testthat/test-unit.R
lfstat/tests/testthat/test-grouping.R
lfstat/tests/testthat/test-sequent-peak.R
lfstat/tests/testthat/test-tyear.R
lfstat/tests/testthat/tallaksen-sequent-peak-storage.csv
lfstat/tests/testthat/test-summary_deficit.R
lfstat/NAMESPACE
lfstat/NEWS.md
lfstat/data
lfstat/data/ng.rda
lfstat/data/ray.rda
lfstat/data/ngaruroro.rda
lfstat/R
lfstat/R/7multistation.R
lfstat/R/recession.R
lfstat/R/6streamdef.R
lfstat/R/pooling.R
lfstat/R/4flowduration.R
lfstat/R/methods.R
lfstat/R/5extreme.R
lfstat/R/2processes.R
lfstat/R/options.R
lfstat/R/import.R
lfstat/R/lfobj.R
lfstat/R/1NAs.R
lfstat/R/readsheets.R
lfstat/R/3lfindices.R
lfstat/R/misc.R
lfstat/R/todo.R
lfstat/R/hyear.R
lfstat/README.md
lfstat/MD5
lfstat/DESCRIPTION
lfstat/man
lfstat/man/as.xts.lfobj.Rd
lfstat/man/bfplot.Rd
lfstat/man/pool_ic.Rd
lfstat/man/check_distribution.Rd
lfstat/man/createlfobj.Rd
lfstat/man/as.lfobj.Rd
lfstat/man/readlfdata.Rd
lfstat/man/cdf_ev.Rd
lfstat/man/seasratio.Rd
lfstat/man/ev_return_period.Rd
lfstat/man/seglenplot.Rd
lfstat/man/rainpeakplot.Rd
lfstat/man/lfnacheck.Rd
lfstat/man/meanflow.Rd
lfstat/man/summary.deficit.Rd
lfstat/man/fill_na.Rd
lfstat/man/tyears.Rd
lfstat/man/seasindex.Rd
lfstat/man/plot.deficit.Rd
lfstat/man/baseflow.Rd
lfstat/man/dmcurve.Rd
lfstat/man/hyear_start.Rd
lfstat/man/evfit.Rd
lfstat/man/fdc.Rd
lfstat/man/rpline.Rd
lfstat/man/lfnainterpolate.Rd
lfstat/man/tyearsS.Rd
lfstat/man/vary_threshold.Rd
lfstat/man/Q95.Rd
lfstat/man/multistationsreport.Rd
lfstat/man/trace_value.Rd
lfstat/man/apply.seasonal.Rd
lfstat/man/recession.Rd
lfstat/man/lfstat-package.Rd
lfstat/man/rfaplot.Rd
lfstat/man/water_year.Rd
lfstat/man/rfa.Rd
lfstat/man/hydrograph.Rd
lfstat/man/streamdef.Rd
lfstat/man/MAM.Rd
lfstat/man/gringorten.Rd
lfstat/man/find_droughts.Rd
lfstat/man/flowunit.Rd
lfstat/man/evquantile.Rd
lfstat/man/ma.Rd
lfstat/man/streamdefplot.Rd
lfstat/man/sbplot.Rd
lfstat/man/ngaruroro.Rd
lfstat/man/setlfunit.Rd
lfstat/man/BFI.Rd