Articles | Volume 17, issue 8
Biogeosciences, 17, 2289–2314, 2020
https://doi.org/10.5194/bg-17-2289-2020
Biogeosciences, 17, 2289–2314, 2020
https://doi.org/10.5194/bg-17-2289-2020

Research article 22 Apr 2020

Research article | 22 Apr 2020

Spatial variations in silicate-to-nitrate ratios in Southern Ocean surface waters are controlled in the short term by physics rather than biology

Pieter Demuynck et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (19 Jun 2019) by Markus Kienast
AR by Pieter Demuynck on behalf of the Authors (07 Aug 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (12 Aug 2019) by Markus Kienast
RR by Anonymous Referee #2 (31 Aug 2019)
RR by Anonymous Referee #1 (18 Sep 2019)
ED: Reconsider after major revisions (30 Sep 2019) by Markus Kienast
AR by Pieter Demuynck on behalf of the Authors (29 Nov 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (10 Dec 2019) by Markus Kienast
RR by Anonymous Referee #1 (22 Jan 2020)
RR by Anonymous Referee #2 (30 Jan 2020)
ED: Publish subject to minor revisions (review by editor) (07 Feb 2020) by Markus Kienast
AR by Pieter Demuynck on behalf of the Authors (18 Feb 2020)  Author's response    Manuscript
ED: Publish as is (21 Feb 2020) by Markus Kienast
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Short summary
The availability of macronutrients N and Si is of key importance to sustain life in the Southern Ocean. N and Si are available in abundance at the southern boundary of the Southern Ocean due to constant supply from the deep ocean. In the more northern regions of the Southern Ocean, a decline in macronutrient concentration is noticed, especially strong for Si rather than N. This paper uses a simplified biogeochemical model to investigate processes responsible for this decline in concentration.
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