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BG | Articles | Volume 17, issue 13
Biogeosciences, 17, 3631–3642, 2020
https://doi.org/10.5194/bg-17-3631-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Atmospheric deposition in the low-nutrient-low-chlorophyll...

Biogeosciences, 17, 3631–3642, 2020
https://doi.org/10.5194/bg-17-3631-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 13 Jul 2020

Research article | 13 Jul 2020

Contrasting decadal trends of subsurface excess nitrate in the western and eastern North Atlantic Ocean

Jin-Yu Terence Yang et al.

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Preprint withdrawn
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Cited articles

Altieri, K. E., Hastings, M. G., Peters, A. J., Oleynik, S., and Sigman, D. M.: Isotopic evidence for a marine ammonium source in rainwater at Bermuda, Global Biogeochem. Cy., 28, 1066–1080, https://doi.org/10.1002/2014GB004809, 2014. 
Altieri, K. E., Fawcett, S. E., Peters, A. J., Sigman, D. M., and Hastings, M. G.: Marine biogenic source of atmospheric organic nitrogen in the subtropical North Atlantic, P. Natl. Acad. Sci. USA, 113, 925–930, https://doi.org/10.1073/pnas.1516847113, 2016. 
Anderson, L. A. and Sarmiento, J. L.: Redfield ratios of remineralization determined by nutrient data analysis, Global Biogeochem. Cy., 8, 65–80, https://doi.org/10.1029/93GB03318, 1994. 
Antia, A. N.: Solublization of particles in sediment trap, revising the stoichiometry of mixed layer export, Biogeosciences, 2, 189–204, https://doi.org/10.5194/bg-2-189-2005, 2005. 
Baker, A. R., Lesworth, T., Adams, C., Jickells, T. D., and Ganzeveld, L.: Estimation of atmospheric nutrient inputs to the Atlantic Ocean from 50 N to 50 S based on large-scale field sampling: Fixed nitrogen and dry deposition of phosphorus, Global Biogeochem. Cy., 24, GB3006, https://doi.org/10.1029/2009GB003634, 2010. 
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The anthropogenic nitrogen deposition has led to an increase in nitrate relative to phosphate in the upper oligotrophic waters; however, this anthropogenic nitrogen signal is unclear in the North Atlantic. We analyzed datasets from repeated measurements on meridional and zonal transects in the upper North Atlantic between the 1980s and 2010s and found that the anthropogenic nitrogen signal has been found only in the upper western North Atlantic.
The anthropogenic nitrogen deposition has led to an increase in nitrate relative to phosphate in...
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