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Biogeosciences An interactive open-access journal of the European Geosciences Union
© Author(s) 2004. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
19 Oct 2004
Review status
This discussion paper is a preprint. A revision of the manuscript for further review has not been submitted.
Hydroxylamine (NH2OH) in the Baltic Sea
S. Gebhardt1, S. Walter1, G. Nausch2, and H. W. Bange1 1Forschungsbereich Marine Biogeochemie, Leibniz-Institut für Meereswissenschaften (IFM-GEOMAR), Düsternbrooker Weg 20, 24105 Kiel, Germany
2Leibniz-Institut für Ostseeforschung Warnemünde, Seestr. 15, 18119 Rostock, Germany
Abstract. The vertical distribution of dissolved hydroxylamine (NH2OH) was measured for the first time at 10 stations in the western, southern and central Baltic Sea during a cruise in February 2004. The distribution of dissolved NH2OH was complex due to the interplay of in-situ production in the shallow western and southern Baltic Sea and the hydrographical setting in the central Baltic Sea caused by the major North Sea water inflow event in January 2003. We conclude that nitrification might be the major source of NH2OH, whereas anaerobic ammonium oxidation (anammox) appeared to be negligible. We suggest that a "fresh" nitrifying system, in which the NH+4-oxidation rates exceeded the NO2-oxidation rates, favoured the build-up of NH2OH.
Citation: Gebhardt, S., Walter, S., Nausch, G., and Bange, H. W.: Hydroxylamine (NH2OH) in the Baltic Sea, Biogeosciences Discuss., 1, 709-724,, 2004.
S. Gebhardt et al.
Interactive discussionStatus: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version      Supplement - Supplement
RC S372: 'Review of MS-NR: bgd-2004-0038', Anonymous Referee #1, 16 Nov 2004 Printer-friendly Version 
RC S434: 'Hydroxylamine (NH2OH) in the Baltic Sea', Anonymous Referee #2, 08 Dec 2004 Printer-friendly Version 
S. Gebhardt et al.
S. Gebhardt et al.


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