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BG | Articles | Volume 17, issue 4
Biogeosciences, 17, 851–864, 2020
https://doi.org/10.5194/bg-17-851-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Ocean deoxygenation: drivers and consequences – past, present...

Biogeosciences, 17, 851–864, 2020
https://doi.org/10.5194/bg-17-851-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 18 Feb 2020

Research article | 18 Feb 2020

No nitrogen fixation in the Bay of Bengal?

Carolin R. Löscher et al.

Data sets

Nitrogen and Carbon fixation in the Bay of Bengal C. R. Löscher, W. Mohr, H. W. Bange, and D. E. Canfield https://doi.org/10.1594/PANGAEA.905496

Model code and software

Code for ancient ocean 5 box model on euxinic/ferruginous balance and the nitrogen cycle R. A. Boyle https://doi.pangaea.de/10.1594/PANGAEA.905498

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Oxygen minimum zones (OMZs) are ocean areas severely depleted in oxygen as a result of physical, chemical, and biological processes. Biologically, organic material is produced in the sea surface and exported to deeper waters, where it respires. In the Bay of Bengal (BoB), an OMZ is present, but there are traces of oxygen left. Our study now suggests that this is because one key process, nitrogen fixation, is absent in the BoB, thus preventing primary production and consecutive respiration.
Oxygen minimum zones (OMZs) are ocean areas severely depleted in oxygen as a result of physical,...
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