N<sub>2</sub>O changes from the Last Glacial Maximum to the preindustrial – Part 1: Quantitative reconstruction of terrestrial and marine emissions using N<sub>2</sub>O stable isotopes in ice cores

Fischer, Hubertus; Schmitt, Jochen; Bock, Michael; Seth, Barbara; Joos, Fortunat; Spahni, Renato; Lienert, Sebastian; Battaglia, Gianna; Stocker, Benjamin D.; Schilt, Adrian; Brook, Edward J.

doi:https://doi.org/10.5194/bg-16-3997-2019

Articles | Volume 16, issue 20

https://doi.org/10.5194/bg-16-3997-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-16-3997-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 20

Research article

|

17 Oct 2019

Research article |

| 17 Oct 2019

N₂O changes from the Last Glacial Maximum to the preindustrial – Part 1: Quantitative reconstruction of terrestrial and marine emissions using N₂O stable isotopes in ice cores

Hubertus Fischer, Jochen Schmitt, Michael Bock, Barbara Seth, Fortunat Joos, Renato Spahni, Sebastian Lienert, Gianna Battaglia, Benjamin D. Stocker, Adrian Schilt, and Edward J. Brook

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Final revised paper (published on 17 Oct 2019)
Preprint (discussion started on 15 Apr 2019)

Interactive discussion

Status: closed

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

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RC1: 'Referee Comment', Anonymous Referee #1, 29 May 2019
- AC1: 'reply to reviewer comments', Hubertus Fischer, 28 Jun 2019
RC2: 'Excellent study with comprehensive data compilation and interpretation', Anonymous Referee #2, 10 Jun 2019
- AC1: 'reply to reviewer comments', Hubertus Fischer, 28 Jun 2019

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (01 Jul 2019) by Sönke Zaehle

AR by Hubertus Fischer on behalf of the Authors (08 Jul 2019) Author's response

ED: Publish as is (09 Sep 2019) by Sönke Zaehle

AR by Hubertus Fischer on behalf of the Authors (18 Sep 2019)

Short summary

N₂O concentrations were subject to strong variations accompanying glacial–interglacial but also rapid climate changes over the last 21 kyr. The sources of these N₂O changes can be identified by measuring the isotopic composition of N₂O in ice cores and using the distinct isotopic composition of terrestrial and marine N₂O. We show that both marine and terrestrial sources increased from the last glacial to the Holocene but that only terrestrial emissions responded quickly to rapid climate changes.

N2O changes from the Last Glacial Maximum to the preindustrial – Part 1: Quantitative reconstruction of terrestrial and marine emissions using N2O stable isotopes in ice cores

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Interactive discussion

Peer-review completion

N₂O changes from the Last Glacial Maximum to the preindustrial – Part 1: Quantitative reconstruction of terrestrial and marine emissions using N₂O stable isotopes in ice cores