Reproducible determination of dissolved organic matter photosensitivity: Data and code

This dataset includes absorbance and fluourescence spectra used to compare
the sensitivity of dissolved organic matter to experimental
photodegradation. Spectra represent time series of measurements collected
during 20-hour lab photodegradations. Nearly all experiments consisted of
60 absorbance and fluorescence measurements collected every 20 minutes as
samples were exposed to simulated sunlight. A subset of these data were
used to fit a parallel factor analysis (PARAFAC) model, onto which the
entire data set was projected. Each experimental degradation fluorescence
time series can then be expressed as relative change in PARAFAC component
loadings, which are modeled with a  biexpontial decay function.
Fitted biexponential decay parameters may be indicators of relative
photo-sensitivity useful in studies of dissolved organic matter. The
dataset here includes individual spectra exported after some processing,
Matlab scripts used to further process data and fit the PARAFAC model,
exported PARAFAC model loadings, R scripts used to fit biexponential decay
models to loss of PARAFAC components during photodegradation and compare
fitted biexponential parameters, and the plots and tables related to this
analysis.