lfstat (version 0.9.12)

hydrograph: Hydrograph

Description

Plots the hydrograph for a given period.

Usage

hydrograph(lfobj, startdate = NULL, enddate = NULL, amin = FALSE,...)

Value

Plot of hydrograph

Arguments

lfobj

An object of class "lfobj"

startdate

Begin of hydrograph, date or hydrological year

enddate

End of hydrograph, date or hydrological year

amin

logical, mark annual minima?

...

Additional arguments handed to "plot" - please note that some changes e.g. tickmarks on x-axis are not possible

Author

Daniel Koffler and Gregor Laaha

Details

Start date and end date can be NULL (first/last date in a low flow object ), a date in format "dd/mm/yyyy" (e.g. "01/10/1971") or a year "yyyy" (e.g 1961).

References

Gustard, A. & Demuth, S. (2009) (Eds) Manual on Low-flow Estimation and Prediction. Operational Hydrology Report No. 50, WNO-No. 1029, 136p.

See Also

bfplot

Examples

data(ngaruroro)
# Full period
hydrograph(ngaruroro)

# Hydrological year 1981 and 1982 with annual minima
hydrograph(ngaruroro, startdate = 1981, enddate = 1982, amin = TRUE)

# From 01/01/1981 to 31/03/1981
hydrograph(ngaruroro, startdate = "01/01/1981", enddate = "31/03/1981")

# Log - yaxis
hydrograph(ngaruroro, startdate = "01/01/1981", enddate = "31/03/1981",log = "y")