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BG | Articles | Volume 16, issue 2
Biogeosciences, 16, 347–367, 2019
https://doi.org/10.5194/bg-16-347-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 16, 347–367, 2019
https://doi.org/10.5194/bg-16-347-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 24 Jan 2019

Research article | 24 Jan 2019

Modeling oceanic nitrate and nitrite concentrations and isotopes using a 3-D inverse N cycle model

Taylor S. Martin et al.

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Cited articles

Anderson, J. J., Okubo, A., Robbins, A. S., and Richards, F. A.: A model for nitrate distributions in oceanic oxygen minimum zones, Deep-Sea Res., 29, 1113–1140, https://doi.org/10.1016/0198-0149(82)90031-0, 1982. 
Babbin, A. R., Keil, R. G., Devol, A. H., and Ward, B. B.: Organic Matter Stoichiometry, Flux, and Oxygen Control Nitrogen Loss in the Ocean, Science, 344, 406–408, https://doi.org/10.1126/science.1248364, 2014. 
Babbin, A. R., Peters, B. D., Mordy, C. W., Widner, B., Casciotti, K. L., and Ward, B. B.: Multiple metabolisms constrain the anaerobic nitrite budget in the Eastern Tropical South Pacific, Global Biogeochem. Cy., 31, 258–271, https://doi.org/10.1002/2016GB005407, 2017. 
Berelson, W. M.: Particle settling rates increase with depth in the ocean, Deep-Sea Res. Pt. II, 49, 237–251, https://doi.org/10.1016/S0967-0645(01)00102-3, 2002. 
Bianchi, D., Dunne, J. P., Sarmiento, J. L., and Galbraith, E. D.: Data-based estimates of suboxia, denitrification, and N2O production in the ocean and their sensitivities to dissolved O2, Global Biogeochem. Cy., 26, 1–13, https://doi.org/10.1029/2011GB004209, 2012. 
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Nitrite is a key intermediate in many nitrogen (N) cycling processes in the ocean, particularly in areas with low oxygen that are hotspots for N loss. We have created a 3-D global N cycle model with nitrite as a tracer. Stable isotopes of N are also included in the model and we are able to model the isotope fractionation associated with each N cycling process. Our model accurately represents N concentrations and isotope distributions in the ocean.
Nitrite is a key intermediate in many nitrogen (N) cycling processes in the ocean, particularly...
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