BFI | R Documentation |
Calculates the base flow index of an object of class 'lfobj'
.
BFI(lfobj, year = "any",breakdays = NULL, yearly = FALSE)
lfobj |
An object of class |
year |
The year for which the BFI should be computed. If |
breakdays |
A vector of break days if the BFI should be calculated for different seasons. |
yearly |
If TRUE, the BFI is calculated for each hydrological year separately. |
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 length one vector giving the base flow index for the whole series or the specified year. If yearly is true, a vector of the annual base flow indices is returned. If break days are specified, the values are separated per season.
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.
bfplot
data(ngaruroro) BFI(ngaruroro) BFI(ngaruroro, breakdays = c("01/11","01/05")) BFI(ngaruroro, year = 1991) bfplot(ngaruroro, year = 1991)
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