Irrigation return flow causing a nitrate hotspot and denitrification imprints in groundwater at Tinwald, New Zealand

Stewart, Michael Kilgour; Aitchison-Earl, Philippa Lauren

doi:https://doi.org/10.5194/hess-24-3583-2020

Articles | Volume 24, issue 7

https://doi.org/10.5194/hess-24-3583-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/hess-24-3583-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 24, issue 7

Research article

|

16 Jul 2020

Research article |

| 16 Jul 2020

Irrigation return flow causing a nitrate hotspot and denitrification imprints in groundwater at Tinwald, New Zealand

Michael Kilgour Stewart and Philippa Lauren Aitchison-Earl

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Final revised paper (published on 16 Jul 2020)
Preprint (discussion started on 17 Mar 2020)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Referee comments', Anonymous Referee #1, 31 Mar 2020
- AC1: 'Reply to Anonymous Refereee #1', Michael Stewart, 15 Apr 2020
RC2: 'Review of "Irrigation return flow causing a nitrate hot spot and denitrification imprints in groundwater at Tinwald, New Zealand"', Anonymous Referee #2, 07 Apr 2020
- AC2: 'Reply to Anonymous Refereee #2', Michael Stewart, 17 Apr 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to revisions (further review by editor and referees) (16 May 2020) by Brian Berkowitz

AR by Michael Stewart on behalf of the Authors (05 Jun 2020) Author's response Manuscript

ED: Publish as is (20 Jun 2020) by Brian Berkowitz

Short summary

This paper is important for water resource management, being concerned with irrigation return flow causing hotspots in nitrate concentrations in groundwater and denitrification imprints where nitrate concentrations are reduced by denitrification although the dissolved oxygen concentration is not low. The work is highly significant for modelling of nitrate transport through soil–groundwater systems, for understanding denitrification processes, and for managing fertilizer application to land.