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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 13, issue 7 | Copyright

Special issue: Low oxygen environments in marine, fresh and estuarine...

Biogeosciences, 13, 2077-2092, 2016
https://doi.org/10.5194/bg-13-2077-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 08 Apr 2016

Research article | 08 Apr 2016

A multiproxy approach to understanding the "enhanced" flux of organic matter through the oxygen-deficient waters of the Arabian Sea

Richard G. Keil et al.
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ED: Publish subject to minor revisions (Editor review) (20 Jan 2016) by Christophe Rabouille
AR by on behalf of the Authors (19 Feb 2016)  Author's response    Manuscript
ED: Publish subject to minor revisions (Editor review) (03 Mar 2016) by Christophe Rabouille
AR by on behalf of the Authors (18 Mar 2016)  Author's response    Manuscript
ED: Publish subject to technical corrections (22 Mar 2016) by Christophe Rabouille
AR by on behalf of the Authors (23 Mar 2016)  Author's response    Manuscript
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Drifting sediment traps were deployed in the oxygen-deficient waters of the Arabian Sea, where the sinking flux is less attenuated than in more oxic waters. Six mechanisms that might explain this "enhanced flux" were evaluated using literature and data. In the upper 500 m, evidence was found supporting an oxygen effect and/or changes in the efficiency of the microbial loop, including the addition of chemoautotrophic carbon to the sinking flux.
Drifting sediment traps were deployed in the oxygen-deficient waters of the Arabian Sea, where...
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