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

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The Nature Conservancy's web page at http://conserveonline.org/workspaces/iha describes the software and has illustrations of it's use. The IHA R package does not currently implement the EFC component of the software.

Author
Jason Law
Date of publication
2013-06-27 16:33:19
Maintainer
Jason Law <jason.e.law@gmail.com>
License
GPL-2
Version
0.2-41

View on R-Forge

Man pages

bullrun
Bull Run river flow data
change.rate
Calculate change rate for a vector
flow.duration
Plot a flow duration curve
group1
Magnitude of monthly water conditions
group2
Calculates the group2 IHA statistics
group2Funs
Calculates group2 statistics from a matrix of rolling means
group3
Calculate the group 3 IHA parameters.
group4
Calculate the group 4 IHA parameters.
group5
Calculate the group 5 IHA parameters.
IHA-package
Indicators of Hydrologic Alteration
internal
Internal functions in IHA
plotDischarge
Plot discharge
plot.group1
Plot group1 statistics
plotGroup1
Plot group1 statistics
read.flow
Reads a rdb formatted data file from the USGS web site or...
runmean.iha
Calculate rolling means for group2 statistics
water.month
Extract the month of the water year from a date or time...
water.year
Return a string giving the water year for a date
which.min.zoo
Calculate the date of a extreme value for a zoo series
yday2
Calculate the day of the year as TNC does in their IHA...

Files in this package

IHA/DESCRIPTION
IHA/NAMESPACE
IHA/R
IHA/R/annual.extrema.R
IHA/R/as.data.frame.rle.R
IHA/R/baseflow.index.r
IHA/R/bullrun-data.R
IHA/R/circ.mean.R
IHA/R/flow.duration.r.R
IHA/R/group1.R
IHA/R/group2.R
IHA/R/group3.R
IHA/R/group4.R
IHA/R/group5.R
IHA/R/leap.years.R
IHA/R/maxdate.R
IHA/R/meandiff.R
IHA/R/mindate.R
IHA/R/monotonic.segments.R
IHA/R/pkg-package.R
IHA/R/plot.group1.R
IHA/R/plotDischarge.R
IHA/R/plotGroup1.R
IHA/R/pulse.location.R
IHA/R/pulse.numbers.R
IHA/R/pulses.R
IHA/R/read.flow.r
IHA/R/rezero.year.R
IHA/R/rle.start.R
IHA/R/water.year.R
IHA/R/which.min.zoo.R
IHA/R/yday2.R
IHA/R/years.R
IHA/data
IHA/data/bullrun.rda
IHA/data/willamette.rda
IHA/inst
IHA/inst/unitTests
IHA/inst/unitTests/data
IHA/inst/unitTests/data/Roanoke_River_NC_02080500.usgs
IHA/inst/unitTests/data/roanoke.csv
IHA/inst/unitTests/tests.R
IHA/man
IHA/man/IHA-package.Rd
IHA/man/bullrun.Rd
IHA/man/change.rate.Rd
IHA/man/flow.duration.Rd
IHA/man/group1.Rd
IHA/man/group2.Rd
IHA/man/group2Funs.Rd
IHA/man/group3.Rd
IHA/man/group4.Rd
IHA/man/group5.Rd
IHA/man/internal.Rd
IHA/man/plot.group1.Rd
IHA/man/plotDischarge.Rd
IHA/man/plotGroup1.Rd
IHA/man/read.flow.Rd
IHA/man/runmean.iha.Rd
IHA/man/water.month.Rd
IHA/man/water.year.Rd
IHA/man/which.min.zoo.Rd
IHA/man/yday2.Rd