Preprints
https://doi.org/10.5194/bgd-9-4853-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bgd-9-4853-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
20 Apr 2012
Status: this preprint was under review for the journal BG. A revision for further review has not been submitted.
Biological productivity in the Mauritanian upwelling estimated with a triple gas approach
Abstract. Due to their high biological productivity coastal upwelling regions are important for biogeochemical cycles in the ocean and for fisheries. Upwelled water is not only enriched in nutrients but also supersaturated with respect to atmospheric CO2 and N2O and undersaturated for O2. We present a novel approach to estimate carbon based net community production (NCP) using surface ocean data for CO2, O2 and N2O from three cruises to the Mauritanian upwelling region (Northwest Africa) that were conducted in different seasons. Through combination of the saturation patterns of CO2, O2 and N2O effects of air–sea gas exchange and NCP could be separated. NCP values ranges from 0.6 ± 0.1g C m−2 d−1 during times of weak upwelling to 1.6 ± 0.4 g C m−2 d−1 during strong upwelling. The estimated NCP values show a strong relationship with a wind derived upwelling index, which was used to estimate annual NCP.
How to cite. Steinhoff, T., Bange, H. W., Kock, A., Wallace, D. W. R., and Körtzinger, A.: Biological productivity in the Mauritanian upwelling estimated with a triple gas approach, Biogeosciences Discuss., 9, 4853–4875, https://doi.org/10.5194/bgd-9-4853-2012, 2012.
Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
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Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
- Printer-friendly version
- Supplement
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RC C1010: 'Review', Anonymous Referee #1, 04 May 2012
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AC C6590: 'Reply to Anonymous Referee #1', Tobias Steinhoff, 17 Dec 2012
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AC C6590: 'Reply to Anonymous Referee #1', Tobias Steinhoff, 17 Dec 2012
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RC C2189: 'Biological productivity in the Mauritanian upwelling estimated with a triple gas approach', Anonymous Referee #2, 29 Jun 2012
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AC C6591: 'Reply to Anonymous referee #2', Tobias Steinhoff, 17 Dec 2012
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AC C6591: 'Reply to Anonymous referee #2', Tobias Steinhoff, 17 Dec 2012
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RC C2343: 'Review of “Biological productivity in the Mauritanian upwelling estimated with a triple gas approach” by Steinhoff et al.', Anonymous Referee #3, 09 Jul 2012
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AC C6592: 'Reply to Anonymous referee #3', Tobias Steinhoff, 17 Dec 2012
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AC C6592: 'Reply to Anonymous referee #3', Tobias Steinhoff, 17 Dec 2012
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RC C2446: 'Direct calculation method and gas exchange parameterisation', Jan Kaiser, 16 Jul 2012
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AC C6593: 'Reply to comments from Referee #4 (Jan Kaiser)', Tobias Steinhoff, 17 Dec 2012
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AC C7943: 'Comments to the review from Jan Kaiser', Tobias Steinhoff, 04 Feb 2013
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AC C6593: 'Reply to comments from Referee #4 (Jan Kaiser)', Tobias Steinhoff, 17 Dec 2012
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
- Printer-friendly version
- Supplement
-
RC C1010: 'Review', Anonymous Referee #1, 04 May 2012
-
AC C6590: 'Reply to Anonymous Referee #1', Tobias Steinhoff, 17 Dec 2012
-
AC C6590: 'Reply to Anonymous Referee #1', Tobias Steinhoff, 17 Dec 2012
-
RC C2189: 'Biological productivity in the Mauritanian upwelling estimated with a triple gas approach', Anonymous Referee #2, 29 Jun 2012
-
AC C6591: 'Reply to Anonymous referee #2', Tobias Steinhoff, 17 Dec 2012
-
AC C6591: 'Reply to Anonymous referee #2', Tobias Steinhoff, 17 Dec 2012
-
RC C2343: 'Review of “Biological productivity in the Mauritanian upwelling estimated with a triple gas approach” by Steinhoff et al.', Anonymous Referee #3, 09 Jul 2012
-
AC C6592: 'Reply to Anonymous referee #3', Tobias Steinhoff, 17 Dec 2012
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AC C6592: 'Reply to Anonymous referee #3', Tobias Steinhoff, 17 Dec 2012
-
RC C2446: 'Direct calculation method and gas exchange parameterisation', Jan Kaiser, 16 Jul 2012
-
AC C6593: 'Reply to comments from Referee #4 (Jan Kaiser)', Tobias Steinhoff, 17 Dec 2012
-
AC C7943: 'Comments to the review from Jan Kaiser', Tobias Steinhoff, 04 Feb 2013
-
AC C6593: 'Reply to comments from Referee #4 (Jan Kaiser)', Tobias Steinhoff, 17 Dec 2012
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Cited
2 citations as recorded by crossref.
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T. Steinhoff
GEOMAR | Hemholtz Centre for Ocean Research, Kiel, Germany
H. W. Bange
GEOMAR | Hemholtz Centre for Ocean Research, Kiel, Germany
A. Kock
GEOMAR | Hemholtz Centre for Ocean Research, Kiel, Germany
D. W. R. Wallace
Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada
A. Körtzinger
GEOMAR | Hemholtz Centre for Ocean Research, Kiel, Germany