Historical variability of phosphorus and organic carbon fluxes to the Mackenzie River

What is it about?

• Concentration-discharge relationships for total phosphorus (TP) and dissolved organic carbon (DOC) were analyzed. • An improved statistical modelling framework was developed for estimating TP and DOC fluxes. • Analysis of historical variability and trends in the TP and DOC fluxes were conducted.

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Why is it important?

Understanding water quantity-constituent relationships and establishing baseline conditions are important steps before evaluating future changes in biogeochemical fluxes in the data poor Arctic and Subarctic regions.