Source, transport and fate of soil organic matter inferred from microbial biomarker lipids on the East Siberian Arctic Shelf

Bischoff, Juliane; Sparkes, Robert B.; Doğrul Selver, Ayça; Spencer, Robert G. M.; Gustafsson, Örjan; Semiletov, Igor P.; Dudarev, Oleg V.; Wagner, Dirk; Rivkina, Elizaveta; van Dongen, Bart E.; Talbot, Helen M.

doi:https://doi.org/10.5194/bg-13-4899-2016

Articles | Volume 13, issue 17

https://doi.org/10.5194/bg-13-4899-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Climate–carbon–cryosphere interactions in the...

https://doi.org/10.5194/bg-13-4899-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13, issue 17

Research article

|

06 Sep 2016

Research article |

| 06 Sep 2016

Source, transport and fate of soil organic matter inferred from microbial biomarker lipids on the East Siberian Arctic Shelf

Juliane Bischoff, Robert B. Sparkes, Ayça Doğrul Selver, Robert G. M. Spencer, Örjan Gustafsson, Igor P. Semiletov, Oleg V. Dudarev, Dirk Wagner, Elizaveta Rivkina, Bart E. van Dongen, and Helen M. Talbot

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Interactive discussion

Status: closed

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

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RC1: 'Review BGD-2016-128 by Bischoff et al. ', Anonymous Referee #1, 23 May 2016
RC2: 'Reviewer comments on Bischoff et al. (2016)', Anonymous Referee #2, 07 Jun 2016
AC1: 'Author response to reviewer comments', Juliane Bischoff, 15 Jul 2016

Peer-review completion

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

ED: Publish subject to minor revisions (Editor review) (01 Aug 2016) by Jack Middelburg

AR by Juliane Bischoff on behalf of the Authors (08 Aug 2016) Author's response Manuscript

ED: Publish subject to technical corrections (10 Aug 2016) by Jack Middelburg

AR by Juliane Bischoff on behalf of the Authors (10 Aug 2016) Manuscript

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Short summary

The Arctic contains a large pool of carbon that is vulnerable to warming and can be released by rivers and coastal erosion. We study microbial lipids (BHPs) in permafrost and shelf sediments to trace the source, transport and fate of this carbon. BHPs in permafrost deposits are released to the shelf by rivers and coastal erosion, in contrast to other microbial lipids (GDGTs) that are transported by rivers. Several further analyses are needed to understand the complex East Siberian Shelf system.