Isotopic composition of nitrate and particulate organic matter in a pristine dam reservoir of western India: implications for biogeochemical processes

Bardhan, Pratirupa; Naqvi, Syed Wajih Ahmad; Karapurkar, Supriya G.; Shenoy, Damodar M.; Kurian, Siby; Naik, Hema

doi:https://doi.org/10.5194/bg-14-767-2017

Articles | Volume 14, issue 4

https://doi.org/10.5194/bg-14-767-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-14-767-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 14, issue 4

Research article

|

20 Feb 2017

Research article |

| 20 Feb 2017

Isotopic composition of nitrate and particulate organic matter in a pristine dam reservoir of western India: implications for biogeochemical processes

Pratirupa Bardhan, Syed Wajih Ahmad Naqvi, Supriya G. Karapurkar, Damodar M. Shenoy, Siby Kurian, and Hema Naik

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Final revised paper (published on 20 Feb 2017)
Supplement to the final revised paper
Preprint (discussion started on 02 Aug 2016)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Rivision comments', Anonymous Referee #1, 17 Aug 2016
- AC1: 'Response to the comments of Anonymous Referee#1', Pratirupa Bardhan, 31 Oct 2016
RC2: 'Comment on: manuscript by Barchan et al.', Anonymous Referee #2, 04 Sep 2016
- AC2: 'Response to the comments of Anonymous Referee#2', Pratirupa Bardhan, 31 Oct 2016

Peer-review completion

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

ED: Reconsider after major revisions (31 Oct 2016) by Brian A. Pellerin

AR by Pratirupa Bardhan on behalf of the Authors (11 Nov 2016) Author's response Manuscript

ED: Referee Nomination & Report Request started (29 Nov 2016) by Brian A. Pellerin

ED: Publish subject to minor revisions (Editor review) (13 Dec 2016) by Brian A. Pellerin

AR by Pratirupa Bardhan on behalf of the Authors (14 Dec 2016) Author's response Manuscript

ED: Publish as is (23 Dec 2016) by Brian A. Pellerin

AR by Pratirupa Bardhan on behalf of the Authors (26 Dec 2016)

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Short summary

Although India has the third highest number of dams globally, there is a knowledge gap on the cycling of bioessential elements in such systems. This study (first of its kind) investigates the stable isotopes of nitrate and particulate organic matter in a pristine Indian reservoir. Nitrogen transformations in the anaerobic bottom waters were isotopically characterised. Overall, solar intensity, water depth and redox conditions are the major controls on the biogeochemical cycling in this system.