Articles | Volume 13, issue 17
Biogeosciences, 13, 4985–5001, 2016
https://doi.org/10.5194/bg-13-4985-2016

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

Biogeosciences, 13, 4985–5001, 2016
https://doi.org/10.5194/bg-13-4985-2016

Research article 09 Sep 2016

Research article | 09 Sep 2016

Box-modelling of the impacts of atmospheric nitrogen deposition and benthic remineralisation on the nitrogen cycle of the eastern tropical South Pacific

Bei Su et al.

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Cited articles

Auguéres, A.-S. and Loreau, M.: Regulation of Redfield ratios in the deep ocean, Global Biogeochem. Cy., 29, 254–266, 2015.
Bakun, A. and Weeks, S. J.: The marine ecosystem off peru: what are the secrets of its fishery productivity and what might its future hold?, Prog. Oceanogr., 79, 290–299, 2008.
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Berelson, W. M.: The flux of particulate organic carbon into the ocean interior: a comparison of four US JGOFS regional studies, Oceanography, 14, 59–67, 2001.
Bohlen, L., Dale, A. W., Sommer, S., Mosch, T., Hensen, C., Noffke, A., Scholz, F., and K. Wallmann: Benthic nitrogen cycling traversing the Peruvian oxygen minimum zone, Geochim. Cosmochim. Ac., 75, 6094–6111, 2011.
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Previously identified positive feedbacks within the nitrogen cycle in the eastern tropical South Pacific (ETSP) have challenged our understanding of the observed dynamics and stability of the nitrogen inventory. We present a box model analysis of the biological and biogeochemical relations in the ETSP among nitrogen deposition, benthic denitrification and phosphate regeneration. Our results suggest dominant stabilizing feedbacks tending to keep a balanced nitrogen inventory in the ETSP.
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