A revised pan-Arctic permafrost soil Hg pool based on Western Siberian peat Hg and carbon observations

Lim, Artem G.; Jiskra, Martin; Sonke, Jeroen E.; Loiko, Sergey V.; Kosykh, Natalia; Pokrovsky, Oleg S.

doi:https://doi.org/10.5194/bg-17-3083-2020

Articles | Volume 17, issue 12

https://doi.org/10.5194/bg-17-3083-2020

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

https://doi.org/10.5194/bg-17-3083-2020

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

Articles | Volume 17, issue 12

Research article

|

18 Jun 2020

Research article |

| 18 Jun 2020

A revised pan-Arctic permafrost soil Hg pool based on Western Siberian peat Hg and carbon observations

Artem G. Lim, Martin Jiskra, Jeroen E. Sonke, Sergey V. Loiko, Natalia Kosykh, and Oleg S. Pokrovsky

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Final revised paper (published on 18 Jun 2020)
Supplement to the final revised paper
Preprint (discussion started on 28 Jan 2020)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Anonymous review of Lim et al.', Anonymous Referee #1, 04 Feb 2020
- AC1: 'Response to Reviewer 1', O.S. Pokrovsky, 09 Apr 2020
RC2: 'Reviewer#2', Anonymous Referee #2, 15 Mar 2020
- AC2: 'Response to Reviewer 2', O.S. Pokrovsky, 09 Apr 2020
- AC3: 'Additional response to Comment 3', O.S. Pokrovsky, 09 Apr 2020

Peer-review completion

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

ED: Reconsider after major revisions (17 Apr 2020) by Andreas Richter

AR by O.S. Pokrovsky on behalf of the Authors (29 Apr 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (11 May 2020) by Andreas Richter

RR by Anonymous Referee #2 (15 May 2020)

ED: Publish as is (19 May 2020) by Andreas Richter

AR by O.S. Pokrovsky on behalf of the Authors (19 May 2020)

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Short summary

To better understand the mercury (Hg) content in northern soils, we measured Hg concentration in peat cores across a 1700 km permafrost gradient in Siberia. We demonstrated a northward increase in Hg concentration in peat and Hg pools in frozen peatlands. We revised the 0–30 cm northern soil Hg pool to be 72 Gg, which is 7 % of the global soil Hg pool of 1086 Gg. The results are important for understanding Hg exchange between soil, water, and the atmosphere under climate change in the Arctic.