hydro_metrics: Various streamflow (and rainfall)-based metrics.

Description Usage Arguments Details Value Author(s) References See Also Examples

Description

Various streamflow (and rainfall)-based metrics to describe a hydrologic catchment.

Usage

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runoff_coeff   (rainfall, runoff)
time_of_conc   (rainfall, runoff)
c_smooth	       (rainfall, runoff)
fdc_slope	   (runoff, lQ.thr=0.66, hQ.thr=0.33)
sel			   (rainfall, runoff, agg_dt=1)
bfi			   (runoff, ...)
hpc			   (runoff)
q10			   (runoff)
rising_limb_density(runoff)
fft_fit		   (runoff, rainfall, doplot=FALSE)
filter_ratio   (runoff, rainfall, doplot=FALSE)

Arguments

rainfall

vector of rainfall heights (equidistant temporal resolution) [L/T]

runoff

vector of runoff heights (equidistant temporal resolution) [L/T]

doplot

enable plotting

agg_dt

number of timesteps that will be aggregated before performing calculations

lQ.thr, hQ.thr

quantiles to be used for estimating the slope of the flow duration curve

...

further arguments (see details)

Details

Value

fft_fit

Matrix with the first column for rainfall, the second for runoff; the first two rows containing the slope values of the fit, the third the location of the breakpoint.

all others:

numeric value as described in details.

Author(s)

Till Francke

References

Chiew, F.H.S. (2006). Estimation of rainfall elasticity of streamflow in Australia. Hydrological Sciences Journal, 51:4, 613-625, http://dx.doi.org/10.1623/hysj.51.4.613

Clausen, B., Biggs, B. J. . (2000). Flow variables for ecological studies in temperate streams: groupings based on covariance. Journal of Hydrology, 237(3-4), 184–197. http://dx.doi.org/10.1016/S0022-1694(00)00306-1

Fu, G., S. P. Charles, and F. H. S. Chiew (2007). A two-parameter climate elasticity of streamflow index to assess climate change effects on annual streamflow. Water Resour. Res., 43, W11419, http://dx.doi.org/10.1029/2007WR005890

Özger, Mehmet, Mishra, Ashok K., Singh, Vijay P. (2012). Seasonal and spatial variations in the scaling and correlation structure of streamflow data Hydrological Processes, 1099-1085, http://dx.doi.org/10.1002/hyp.9314

Sawicz, K., Wagener, T., Sivapalan, M., Troch, P. a., Carrillo, G. (2011). Catchment classification: empirical analysis of hydrologic similarity based on catchment function in the eastern USA. Hydrology and Earth System Sciences, 15(9), 2895–2911. http://dx.doi.org/10.5194/hess-15-2895-2011

See Also

baseflow_sep

Examples

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rainfall <- fuse.DATA[,"P"]
runoff <- fuse.DATA[,"Q"]

runoff_coeff   (rainfall, runoff)
time_of_conc   (rainfall, runoff) #apparently, this series is too short in relation to its storage effects
c_smooth         (rainfall, runoff)
fdc_slope	   (runoff)
sel			   (rainfall, runoff, agg_dt=1)
bfi			   (runoff)
hpc			   (runoff)
q10			   (runoff)
rising_limb_density(runoff)
fft_fit		   (runoff, rainfall, doplot=TRUE)
filter_ratio   (runoff, rainfall, doplot=TRUE)

RHydro documentation built on May 2, 2019, 6:24 p.m.