Articles | Volume 18, issue 10
Biogeosciences, 18, 3103–3122, 2021
https://doi.org/10.5194/bg-18-3103-2021
Biogeosciences, 18, 3103–3122, 2021
https://doi.org/10.5194/bg-18-3103-2021

Research article 25 May 2021

Research article | 25 May 2021

Complex interactions of in-stream dissolved organic matter and nutrient spiralling unravelled by Bayesian regression analysis

Matthias Pucher et al.

Model code and software

MatthiasPucher/INSBIRE: INSBIRE: Interactions in Nutrient Spirals using BayesIan nonlinear REgression Matthias Pucher https://doi.org/10.5281/zenodo.4071851

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Short summary
Dissolved organic matter is an important carbon source in aquatic ecosystems, yet the uptake processes are not totally understood. We found evidence for the release of degradation products, efficiency loss in the uptake with higher concentrations, stimulating effects, and quality-dependent influences from the benthic zone. To conduct this analysis, we included interactions in the equations of the nutrient spiralling concept and solve it with a Bayesian non-linear fitting algorithm.
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