Spatial variations in snowpack chemistry, isotopic composition of NO<sub>3</sub><sup>−</sup> and nitrogen deposition from the ice sheet margin to the coast of western Greenland

Curtis, Chris J.; Kaiser, Jan; Marca, Alina; Anderson, N. John; Simpson, Gavin; Jones, Vivienne; Whiteford, Erika

doi:https://doi.org/10.5194/bg-15-529-2018

Articles | Volume 15, issue 2

https://doi.org/10.5194/bg-15-529-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-15-529-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 2

Research article

|

29 Jan 2018

Research article |

| 29 Jan 2018

Spatial variations in snowpack chemistry, isotopic composition of NO₃⁻ and nitrogen deposition from the ice sheet margin to the coast of western Greenland

Chris J. Curtis, Jan Kaiser, Alina Marca, N. John Anderson, Gavin Simpson, Vivienne Jones, and Erika Whiteford

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Preprint (discussion started on 30 May 2017)
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Interactive discussion

Status: closed

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

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- Supplement

RC1: 'review of Curtis et al', Anonymous Referee #1, 16 Jun 2017
- AC1: 'Response to anonymous Reviewer 1', Christopher Curtis, 01 Aug 2017
RC2: 'Review of Curtis et al.', Anonymous Referee #2, 05 Jul 2017
- AC2: 'Response to anonymous Reviewer 2', Christopher Curtis, 01 Aug 2017

Peer-review completion

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

ED: Reconsider after major revisions (18 Aug 2017) by Silvio Pantoja

AR by Christopher Curtis on behalf of the Authors (06 Oct 2017) Author's response Manuscript

ED: Publish subject to minor revisions (review by editor) (10 Nov 2017) by Silvio Pantoja

AR by Christopher Curtis on behalf of the Authors (20 Nov 2017) Author's response Manuscript

ED: Publish as is (01 Dec 2017) by Silvio Pantoja

AR by Christopher Curtis on behalf of the Authors (11 Dec 2017)

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Short summary

Few studies have investigated the atmospheric deposition of nitrate in the Arctic or its impacts on Arctic ecosystems. We collected late-season snowpack from three regions in western Greenland from the coast to the edge of the ice sheet. We found major differences in nitrate concentrations (lower at the coast) and deposition load (higher). Nitrate in snowpack undergoes losses and isotopic enrichment which are greatest in inland areas; hence deposition impacts may be greatest at the coast.

Spatial variations in snowpack chemistry, isotopic composition of NO3− and nitrogen deposition from the ice sheet margin to the coast of western Greenland

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Interactive discussion

Peer-review completion

Spatial variations in snowpack chemistry, isotopic composition of NO₃⁻ and nitrogen deposition from the ice sheet margin to the coast of western Greenland