View source: R/4flowduration.R
fdc | R Documentation |
Plots the flow duration curve for a given low flow object.
fdc(lfobj, year = "any", breakdays = NULL, colors = TRUE, xnorm = FALSE, ylog = TRUE, legend = TRUE, separate = FALSE, ...)
lfobj |
An object of class |
year |
numeric - The year for which the flow duration curve should be computed. If |
breakdays |
A vector of break days if the BFI should be calculated for different seasons. |
colors |
logical - If |
xnorm |
logical - should the x-axis be normalized? |
ylog |
logical - The the logarithm of the y-axis? |
legend |
logical - Should a legend be plotted? |
separate |
logical - Should a separate plot be drawn for every season? |
... |
Graphical parameters handed to plot |
If breakdays
is a single day, e.g. "01/06", the start of the hydrological year is taken as the second break day. If more than two seasons are to be specified, a vector of all break days is needed.
A vector of quantiles.
Daniel Koffler and Gregor Laaha
Gustard, A. & Demuth, S. (2009) (Eds) Manual on Low-flow Estimation and Prediction. Operational Hydrology Report No. 50, WNO-No. 1029, 136p.
ecdf
data(ngaruroro) fdc(ngaruroro,year = 1991)
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