Articles | Volume 25, issue 12
Hydrol. Earth Syst. Sci., 25, 6437–6463, 2021
https://doi.org/10.5194/hess-25-6437-2021
Hydrol. Earth Syst. Sci., 25, 6437–6463, 2021
https://doi.org/10.5194/hess-25-6437-2021

Research article 20 Dec 2021

Research article | 20 Dec 2021

Bending of the concentration discharge relationship can inform about in-stream nitrate removal

Joni Dehaspe et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on hess-2021-16', Anonymous Referee #1, 17 Feb 2021
  • RC2: 'Comment on hess-2021-16', Wilfred Wollheim, 17 Feb 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (further review by editor and referees) (14 Jun 2021) by Christian Stamm
AR by Joni Dehaspe on behalf of the Authors (26 Jul 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (30 Jul 2021) by Christian Stamm
RR by Wilfred Wollheim (13 Aug 2021)
ED: Publish subject to minor revisions (review by editor) (16 Sep 2021) by Christian Stamm
AR by Joni Dehaspe on behalf of the Authors (28 Sep 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (13 Oct 2021) by Christian Stamm
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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.