Description Usage Arguments Value References Examples
Calculate the spectral curve of CDOM spectra has proposed by Loiselle et al. 2009.
1 | cdom_spectral_curve(wl, absorbance, interval = 21, r2threshold = 0.8)
|
wl |
The wavelength vector. |
absorbance |
The absorbance vector. |
interval |
The interval used to claculate each slope (default = 21 nm). |
r2threshold |
The r2 threshold that determines if a slope is "valide". The default value is 0.8 meaning that the determination coefficient of the regression between log-transformed data and wavelength should be >= 0.8. |
A dataframe containing the centered wavelength, the calculated slope and the determination coefficient of the linear regression used to claculate the slope.
http://doi.wiley.com/10.4319/lo.2009.54.2.0590
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