cdom_slope_ratio {cdom}

Calculate the slope ratio (SR) from an absorption spectra.

Description

Calculate the slope ratio (SR) from an absorption spectra.

Usage

cdom_slope_ratio(wl, absorbance)

Arguments

wl

The wavelength vector.

absorbance

The absorbance vector.

Details

Calculate the slope ratio (SR) as defined by Helms et al. (2008).

SR = \frac{S_{275-295}}{S_{350-400}}

Value

The value of the slope ratio.

References

http://www.aslo.org/lo/toc/vol_53/issue_3/0955.html

Examples

data("spectra")

cdom_slope_ratio(spectra$wavelength, spectra$spc1)