Biogeosciences
Biogeosciences
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Articles | Volume 14, issue 18
Articles | Volume 14, issue 18
https://doi.org/10.5194/bg-14-4061-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-14-4061-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 14, issue 18
Research article
 | 
19 Sep 2017
Research article |  | 19 Sep 2017

Does denitrification occur within porous carbonate sand grains?

Perran Louis Miall Cook, Adam John Kessler, and Bradley David Eyre

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Latest update: 21 Apr 2025
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Short summary
Nitrogen is the key nutrient that typically limits productivity in coastal waters. One of the key controls on the amount of bioavailable nitrogen is the process of denitrification, which converts nitrate (bioavailable) into nitrogen gas. Previous studies suggest high rates of denitrification may take place within carbonate sediments, and one explanation for this is that this process may take place within the sand grains. Here we show evidence to support this hypothesis.
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