Articles | Volume 25, issue 12
https://doi.org/10.5194/hess-25-6437-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-25-6437-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
20 Dec 2021
Research article |
| 20 Dec 2021
| 20 Dec 2021
Bending of the concentration discharge relationship can inform about in-stream nitrate removal
Department of Hydrogeology, UFZ – Helmholtz-Centre for Environmental Research, 04318 Leipzig, Germany
Unit Environmental Modeling, Flemish Institute for Technological Research NV – VITO, Boeretang 200, 2400, Mol, Belgium
Fanny Sarrazin
Department Computational Hydrosystems, UFZ – Helmholtz-Centre for Environmental Research, 04318 Leipzig, Germany
Rohini Kumar
Department Computational Hydrosystems, UFZ – Helmholtz-Centre for Environmental Research, 04318 Leipzig, Germany
Jan H. Fleckenstein
Department of Hydrogeology, UFZ – Helmholtz-Centre for Environmental Research, 04318 Leipzig, Germany
Bayreuth Center of Ecology and Environmental Research, University of Bayreuth, 95440 Bayreuth, Germany
Andreas Musolff
Department of Hydrogeology, UFZ – Helmholtz-Centre for Environmental Research, 04318 Leipzig, Germany
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Cited
12 citations as recorded by crossref.
- Disentangling scatter in long-term concentration–discharge relationships: the role of event types F. Saavedra et al. 10.5194/hess-26-6227-2022
- High-Frequency Monitoring to Estimate Loads and Identify Nutrient Transport Dynamics in the Little Auglaize River, Ohio S. Pace et al. 10.3390/su142416848
- Stoichiometry on the edge—humans induce strong imbalances of reactive C:N:P ratios in streams A. Wachholz et al. 10.1088/1748-9326/acc3b1
- Nutrient retention in a small reservoir under changed variability of inflow nutrient concentration M. Determann et al. 10.1080/20442041.2024.2305105
- Comparison of the Dynamics of the Flowing Drainage Network and Water Chemistry for Four Headwater Catchments I. Bujak‐Ozga et al. 10.1002/eco.2734
- Winter post-droughts amplify extreme nitrate concentrations in German rivers F. Saavedra et al. 10.1088/1748-9326/ad19ed
- Evaluating seasonal variation in macronutrient levels and their impact on water quality in urban coastal waters: A case study in nutrient management along the North Colombo coast of Sri Lanka H. Siriwardana et al. 10.1016/j.rsma.2024.103764
- Characterizing Catchment‐Scale Nitrogen Legacies and Constraining Their Uncertainties F. Sarrazin et al. 10.1029/2021WR031587
- Understanding the Hydrogeochemical Response of a Mountainous Watershed Using Integrated Surface‐Subsurface Flow and Reactive Transport Modeling Z. Xu et al. 10.1029/2022WR032075
- Modeling Complex Concentration-Discharge Relationships with Generalized Additive Models C. von Brömssen et al. 10.1007/s10666-023-09915-z
- Effects of Heterogeneous Stream‐Groundwater Exchange on the Source Composition of Stream Discharge and Solute Load Z. Zhang et al. 10.1029/2020WR029079
- Hydrologic connectivity and source heterogeneity control concentration–discharge relationships J. Knapp et al. 10.1002/hyp.14683
9 citations as recorded by crossref.
- Disentangling scatter in long-term concentration–discharge relationships: the role of event types F. Saavedra et al. 10.5194/hess-26-6227-2022
- High-Frequency Monitoring to Estimate Loads and Identify Nutrient Transport Dynamics in the Little Auglaize River, Ohio S. Pace et al. 10.3390/su142416848
- Stoichiometry on the edge—humans induce strong imbalances of reactive C:N:P ratios in streams A. Wachholz et al. 10.1088/1748-9326/acc3b1
- Nutrient retention in a small reservoir under changed variability of inflow nutrient concentration M. Determann et al. 10.1080/20442041.2024.2305105
- Comparison of the Dynamics of the Flowing Drainage Network and Water Chemistry for Four Headwater Catchments I. Bujak‐Ozga et al. 10.1002/eco.2734
- Winter post-droughts amplify extreme nitrate concentrations in German rivers F. Saavedra et al. 10.1088/1748-9326/ad19ed
- Evaluating seasonal variation in macronutrient levels and their impact on water quality in urban coastal waters: A case study in nutrient management along the North Colombo coast of Sri Lanka H. Siriwardana et al. 10.1016/j.rsma.2024.103764
- Characterizing Catchment‐Scale Nitrogen Legacies and Constraining Their Uncertainties F. Sarrazin et al. 10.1029/2021WR031587
- Understanding the Hydrogeochemical Response of a Mountainous Watershed Using Integrated Surface‐Subsurface Flow and Reactive Transport Modeling Z. Xu et al. 10.1029/2022WR032075
3 citations as recorded by crossref.
- Modeling Complex Concentration-Discharge Relationships with Generalized Additive Models C. von Brömssen et al. 10.1007/s10666-023-09915-z
- Effects of Heterogeneous Stream‐Groundwater Exchange on the Source Composition of Stream Discharge and Solute Load Z. Zhang et al. 10.1029/2020WR029079
- Hydrologic connectivity and source heterogeneity control concentration–discharge relationships J. Knapp et al. 10.1002/hyp.14683
Latest update: 05 Jul 2025
Short summary
Increased nitrate concentrations in surface waters can compromise river ecosystem health. As riverine nitrate uptake is hard to measure, we explore how low-frequency nitrate concentration and discharge observations (that are widely available) can help to identify (in)efficient uptake in river networks. We find that channel geometry and water velocity rather than the biological uptake capacity dominate the nitrate-discharge pattern at the outlet. The former can be used to predict uptake.
Increased nitrate concentrations in surface waters can compromise river ecosystem health. As...
