Articles | Volume 26, issue 22
Hydrol. Earth Syst. Sci., 26, 5817–5833, 2022
Hydrol. Earth Syst. Sci., 26, 5817–5833, 2022
Research article
17 Nov 2022
Research article | 17 Nov 2022

How do inorganic nitrogen processing pathways change quantitatively at daily, seasonal, and multiannual scales in a large agricultural stream?

Jingshui Huang et al.

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Cited articles

Burgin, A. J. and Hamilton, S. K.: Have we overemphasized the role of denitrification in aquatic ecosystems? A review of nitrate removal pathways, Front. Ecol. Environ., 5, 89–96,[89:HWOTRO]2.0.CO;2, 2007. 
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Covino, T. P., Bernhardt, E. S., and Heffernan, J. B.: Measuring and interpreting relationships between nutrient supply, demand, and limitation, Freshw. Sci., 37, 448–455,, 2018. 
Ensign, S. H. and Doyle, M. W.: Nutrient spiraling in streams and river networks, J. Geophys. Res.-Biogeo., 111, G04009,, 2006. 
Short summary
In this study, we set up a water quality model using a 5-year paired high-frequency water quality dataset from a large agricultural stream. The simulations were compared with the 15 min interval measurements and showed very good fits. Based on these, we quantified the N uptake pathway rates and efficiencies at daily, seasonal, and yearly scales. This study offers an overarching understanding of N processing in large agricultural streams across different temporal scales.